briefing: push to origin/loops/common-lisp after each commit

hosts/javascript/platform.py

@@ -2771,8 +2771,8 @@ PLATFORM_DOM_JS = """
     // If lambda takes 0 params, call without event arg (convenience for on-click handlers)
     var wrapped = isLambda(handler)
       ? (lambdaParams(handler).length === 0
-        ? function(e) { try { var r = cekCall(handler, NIL); if (globalThis._driveAsync) globalThis._driveAsync(r); } catch(err) { console.error("[sx-ref] domListen handler error:", name, err); } }
+        ? function(e) { try { cekCall(handler, NIL); } catch(err) { console.error("[sx-ref] domListen handler error:", name, err); } }
-        : function(e) { try { var r = cekCall(handler, [e]); if (globalThis._driveAsync) globalThis._driveAsync(r); } catch(err) { console.error("[sx-ref] domListen handler error:", name, err); } })
+        : function(e) { try { cekCall(handler, [e]); } catch(err) { console.error("[sx-ref] domListen handler error:", name, err); } })
       : handler;
     if (name === "click") logInfo("domListen: click on <" + (el.tagName||"?").toLowerCase() + "> text=" + (el.textContent||"").substring(0,20) + " isLambda=" + isLambda(handler));
     var passiveEvents = { touchstart: 1, touchmove: 1, wheel: 1, scroll: 1 };

hosts/ocaml/bin/mcp_tree.ml

@@ -1892,34 +1892,8 @@ let handle_sx_harness_eval args =
     let file = args |> member "file" |> to_string_option in
     let setup_str = args |> member "setup" |> to_string_option in
     let files_json = try args |> member "files" with _ -> `Null in
-    let host_stubs = match args |> member "host_stubs" with `Bool b -> b | _ -> false in
     let e = !env in
     let warnings = ref [] in
-    (* Inject stub host primitives so files using host-get/host-new/etc. can load *)
-    if host_stubs then begin
-      let stubs = {|
-        (define host-global (fn (&rest _) nil))
-        (define host-get (fn (&rest _) nil))
-        (define host-set! (fn (obj k v) v))
-        (define host-call (fn (&rest _) nil))
-        (define host-new (fn (&rest _) (dict)))
-        (define host-callback (fn (f) f))
-        (define host-typeof (fn (&rest _) "string"))
-        (define hs-ref-eq (fn (a b) (identical? a b)))
-        (define host-call-fn (fn (&rest _) nil))
-        (define host-iter? (fn (&rest _) false))
-        (define host-to-list (fn (&rest _) (list)))
-        (define host-await (fn (&rest _) nil))
-        (define host-new-function (fn (&rest _) nil))
-        (define load-library! (fn (&rest _) false))
-      |} in
-      let stub_exprs = Sx_parser.parse_all stubs in
-      List.iter (fun expr ->
-        try ignore (Sx_ref.eval_expr expr (Env e))
-        with exn ->
-          warnings := Printf.sprintf "Stub warning: %s" (Printexc.to_string exn) :: !warnings
-      ) stub_exprs
-    end;
     (* Collect all files to load *)
     let all_files = match files_json with
       | `List items ->
@@ -3044,8 +3018,7 @@ let tool_definitions = `List [
      ("mock", `Assoc [("type", `String "string"); ("description", `String "Optional mock platform overrides as SX dict, e.g. {:fetch (fn (url) {:status 200})}")]);
      ("file", `Assoc [("type", `String "string"); ("description", `String "Optional .sx file to load for definitions")]);
      ("files", `Assoc [("type", `String "array"); ("items", `Assoc [("type", `String "string")]); ("description", `String "Multiple .sx files to load in order")]);
-     ("setup", `Assoc [("type", `String "string"); ("description", `String "SX setup expression to run before main evaluation")]);
+     ("setup", `Assoc [("type", `String "string"); ("description", `String "SX setup expression to run before main evaluation")])]
-     ("host_stubs", `Assoc [("type", `String "boolean"); ("description", `String "If true, inject nil-returning stubs for host-get/host-set!/host-call/host-new/etc. so files that use host primitives can load in the harness")])]
     ["expr"];
   tool "sx_nav" "Manage sx-docs navigation and articles. Modes: list (all nav items with status), check (validate consistency), add (create article + nav entry), delete (remove nav entry + page fn), move (move entry between sections, rewriting hrefs)."
     [("mode", `Assoc [("type", `String "string"); ("description", `String "Mode: list, check, add, delete, or move")]);

hosts/ocaml/bin/sx_server.ml

@@ -703,11 +703,6 @@ let setup_evaluator_bridge env =
     | [expr; e] -> Sx_ref.eval_expr expr (Env (Sx_runtime.unwrap_env e))
     | [expr] -> Sx_ref.eval_expr expr (Env env)
     | _ -> raise (Eval_error "eval-expr: expected (expr env?)"));
-  (* eval-in-env: (env expr) → result.  Evaluates expr in the given env. *)
-  Sx_primitives.register "eval-in-env" (fun args ->
-    match args with
-    | [e; expr] -> Sx_ref.eval_expr expr e
-    | _ -> raise (Eval_error "eval-in-env: (env expr)"));
   bind "trampoline" (fun args ->
     match args with
     | [v] ->
@@ -769,13 +764,7 @@ let setup_evaluator_bridge env =
     | _ -> raise (Eval_error "register-special-form!: expected (name handler)"));
   ignore (env_bind env "*custom-special-forms*" Sx_ref.custom_special_forms);
   ignore (Sx_ref.register_special_form (String "<>") (NativeFn ("<>", fun args ->
-    List (List.map (fun a -> Sx_ref.eval_expr a (Env env)) args))));
+    List (List.map (fun a -> Sx_ref.eval_expr a (Env env)) args))))
-  (* current-env: special form — returns current lexical env as a first-class value *)
-  ignore (Sx_ref.register_special_form (String "current-env")
-    (NativeFn ("current-env", fun args ->
-      match args with
-      | [_arg_list; env_val] -> env_val
-      | _ -> Nil)))
 
 (* ---- Type predicates and introspection ---- *)
 let setup_introspection env =
@@ -961,24 +950,7 @@ let setup_env_operations env =
   bind "env-has?" (fun args -> match args with [e; String k] -> Bool (Sx_types.env_has (uw e) k) | [e; Keyword k] -> Bool (Sx_types.env_has (uw e) k) | _ -> raise (Eval_error "env-has?: expected env and string"));
   bind "env-bind!" (fun args -> match args with [e; String k; v] -> Sx_types.env_bind (uw e) k v | [e; Keyword k; v] -> Sx_types.env_bind (uw e) k v | _ -> raise (Eval_error "env-bind!: expected env, key, value"));
   bind "env-set!" (fun args -> match args with [e; String k; v] -> Sx_types.env_set (uw e) k v | [e; Keyword k; v] -> Sx_types.env_set (uw e) k v | _ -> raise (Eval_error "env-set!: expected env, key, value"));
-  bind "env-extend" (fun args ->
+  bind "env-extend" (fun args -> match args with [e] -> Env (Sx_types.env_extend (uw e)) | _ -> raise (Eval_error "env-extend: expected env"));
-    match args with
-    | e :: pairs ->
-      let child = Sx_types.env_extend (uw e) in
-      let rec go = function
-        | [] -> ()
-        | k :: v :: rest ->
-          ignore (Sx_types.env_bind child (Sx_runtime.value_to_str k) v); go rest
-        | [_] -> raise (Eval_error "env-extend: odd number of key-val pairs") in
-      go pairs; Env child
-    | _ -> raise (Eval_error "env-extend: expected env"));
-  bind "env-lookup" (fun args ->
-    match args with
-    | [e; key] ->
-      let k = Sx_runtime.value_to_str key in
-      let raw = uw e in
-      if Sx_types.env_has raw k then Sx_types.env_get raw k else Nil
-    | _ -> raise (Eval_error "env-lookup: (env key)"));
   bind "env-merge" (fun args -> match args with [a; b] -> Sx_runtime.env_merge a b | _ -> raise (Eval_error "env-merge: expected 2 envs"))
 
 (* ---- Strict mode (gradual type system support) ---- *)

hosts/ocaml/lib/dune

@@ -1,4 +1,4 @@
 (library
  (name sx)
  (wrapped false)
- (libraries re re.pcre unix))
+ (libraries re re.pcre))

hosts/ocaml/lib/sx_primitives.ml

@@ -3000,174 +3000,4 @@ let () =
       List.iteri (fun i c -> Bytes.set b i c) bytes_list;
       SxBytevector b
     | [Nil] -> SxBytevector (Bytes.create 0)
-    | _ -> raise (Eval_error "list->bytevector: expected list"));
+    | _ -> raise (Eval_error "list->bytevector: expected list"))
-
-  (* === File I/O === *)
-  register "file-read" (fun args ->
-    match args with
-    | [String path] ->
-      (try
-        let ic = open_in path in
-        let n = in_channel_length ic in
-        let s = Bytes.create n in
-        really_input ic s 0 n;
-        close_in ic;
-        String (Bytes.to_string s)
-      with Sys_error msg -> raise (Eval_error ("file-read: " ^ msg)))
-    | _ -> raise (Eval_error "file-read: (path)"));
-
-  register "file-write" (fun args ->
-    match args with
-    | [String path; String content] ->
-      (try
-        let oc = open_out path in
-        output_string oc content;
-        close_out oc;
-        Nil
-      with Sys_error msg -> raise (Eval_error ("file-write: " ^ msg)))
-    | _ -> raise (Eval_error "file-write: (path content)"));
-
-  register "file-append" (fun args ->
-    match args with
-    | [String path; String content] ->
-      (try
-        let oc = open_out_gen [Open_append; Open_creat; Open_wronly; Open_text] 0o644 path in
-        output_string oc content;
-        close_out oc;
-        Nil
-      with Sys_error msg -> raise (Eval_error ("file-append: " ^ msg)))
-    | _ -> raise (Eval_error "file-append: (path content)"));
-
-  register "file-exists?" (fun args ->
-    match args with
-    | [String path] -> Bool (Sys.file_exists path)
-    | _ -> raise (Eval_error "file-exists?: (path)"));
-
-  register "file-glob" (fun args ->
-    let glob_match pat str =
-      let pn = String.length pat and sn = String.length str in
-      let rec go pi si =
-        if pi = pn then si = sn
-        else match pat.[pi] with
-          | '*' ->
-            let rec try_from i = i <= sn && (go (pi+1) i || try_from (i+1)) in
-            try_from si
-          | '?' -> si < sn && go (pi+1) (si+1)
-          | '[' ->
-            let pi' = ref (pi+1) in
-            let negate = !pi' < pn && pat.[!pi'] = '^' in
-            if negate then incr pi';
-            let matched = ref false in
-            while !pi' < pn && pat.[!pi'] <> ']' do
-              let c1 = pat.[!pi'] in
-              incr pi';
-              if !pi' + 1 < pn && pat.[!pi'] = '-' then begin
-                let c2 = pat.[!pi' + 1] in
-                pi' := !pi' + 2;
-                if si < sn && str.[si] >= c1 && str.[si] <= c2 then matched := true
-              end else if si < sn && str.[si] = c1 then matched := true
-            done;
-            if !pi' < pn then incr pi';
-            ((!matched && not negate) || (not !matched && negate)) && go !pi' (si+1)
-          | c -> si < sn && str.[si] = c && go (pi+1) (si+1)
-      in go 0 0
-    in
-    let glob_paths pat =
-      let dir = Filename.dirname pat in
-      let base_pat = Filename.basename pat in
-      let dir' = if dir = "." && not (String.length pat > 1 && pat.[0] = '.') then "." else dir in
-      (try
-        let entries = Sys.readdir dir' in
-        Array.fold_left (fun acc entry ->
-          if glob_match base_pat entry then
-            let full = if dir' = "." then entry else Filename.concat dir' entry in
-            full :: acc
-          else acc
-        ) [] entries
-        |> List.sort String.compare
-      with Sys_error _ -> [])
-    in
-    match args with
-    | [String pat] -> List (List.map (fun s -> String s) (glob_paths pat))
-    | _ -> raise (Eval_error "file-glob: (pattern)"));
-
-  (* === Clock === *)
-  register "clock-seconds" (fun args ->
-    match args with
-    | [] -> Integer (int_of_float (Unix.gettimeofday ()))
-    | _ -> raise (Eval_error "clock-seconds: no args"));
-
-  register "clock-milliseconds" (fun args ->
-    match args with
-    | [] -> Integer (int_of_float (Unix.gettimeofday () *. 1000.0))
-    | _ -> raise (Eval_error "clock-milliseconds: no args"));
-
-  register "clock-format" (fun args ->
-    match args with
-    | [Integer t] | [Integer t; String _] ->
-      let fmt = (match args with [_; String f] -> f | _ -> "%a %b %e %H:%M:%S %Z %Y") in
-      let tm = Unix.gmtime (float_of_int t) in
-      let buf = Buffer.create 32 in
-      let n = String.length fmt in
-      let i = ref 0 in
-      while !i < n do
-        if fmt.[!i] = '%' && !i + 1 < n then begin
-          (match fmt.[!i + 1] with
-           | 'Y' -> Buffer.add_string buf (Printf.sprintf "%04d" (1900 + tm.Unix.tm_year))
-           | 'm' -> Buffer.add_string buf (Printf.sprintf "%02d" (tm.Unix.tm_mon + 1))
-           | 'd' -> Buffer.add_string buf (Printf.sprintf "%02d" tm.Unix.tm_mday)
-           | 'e' -> Buffer.add_string buf (Printf.sprintf "%2d"  tm.Unix.tm_mday)
-           | 'H' -> Buffer.add_string buf (Printf.sprintf "%02d" tm.Unix.tm_hour)
-           | 'M' -> Buffer.add_string buf (Printf.sprintf "%02d" tm.Unix.tm_min)
-           | 'S' -> Buffer.add_string buf (Printf.sprintf "%02d" tm.Unix.tm_sec)
-           | 'j' -> Buffer.add_string buf (Printf.sprintf "%03d" (tm.Unix.tm_yday + 1))
-           | 'Z' -> Buffer.add_string buf "UTC"
-           | 'a' -> let days = [|"Sun";"Mon";"Tue";"Wed";"Thu";"Fri";"Sat"|] in
-                    Buffer.add_string buf days.(tm.Unix.tm_wday)
-           | 'A' -> let days = [|"Sunday";"Monday";"Tuesday";"Wednesday";"Thursday";"Friday";"Saturday"|] in
-                    Buffer.add_string buf days.(tm.Unix.tm_wday)
-           | 'b' | 'h' -> let mons = [|"Jan";"Feb";"Mar";"Apr";"May";"Jun";"Jul";"Aug";"Sep";"Oct";"Nov";"Dec"|] in
-                    Buffer.add_string buf mons.(tm.Unix.tm_mon)
-           | 'B' -> let mons = [|"January";"February";"March";"April";"May";"June";"July";"August";"September";"October";"November";"December"|] in
-                    Buffer.add_string buf mons.(tm.Unix.tm_mon)
-           | c -> Buffer.add_char buf '%'; Buffer.add_char buf c);
-          i := !i + 2
-        end else begin
-          Buffer.add_char buf fmt.[!i];
-          incr i
-        end
-      done;
-      String (Buffer.contents buf)
-    | _ -> raise (Eval_error "clock-format: (seconds [format])"));
-
-  (* === Env-as-value (Phase 4) === *)
-
-  (* env-lookup: (env key) → value or nil.  Works on Env, Dict, or Nil. *)
-  register "env-lookup" (fun args ->
-    let unwrap = function
-      | Env e -> e
-      | Nil -> make_env ()
-      | _ -> raise (Eval_error "env-lookup: first arg must be an environment") in
-    match args with
-    | [env_val; key] ->
-      let e = unwrap env_val in
-      let k = value_to_string key in
-      if env_has e k then env_get e k else Nil
-    | _ -> raise (Eval_error "env-lookup: (env key)"));
-
-  (* env-extend: (env [key val ...]) → new child env with optional bindings. *)
-  register "env-extend" (fun args ->
-    match args with
-    | [] -> raise (Eval_error "env-extend: requires at least one arg")
-    | env_val :: pairs ->
-      let parent_env = match env_val with
-        | Env e -> e
-        | Nil -> make_env ()
-        | _ -> raise (Eval_error "env-extend: first arg must be an environment") in
-      let child = env_extend parent_env in
-      let rec add_bindings = function
-        | [] -> ()
-        | k :: v :: rest -> ignore (env_bind child (value_to_string k) v); add_bindings rest
-        | [_] -> raise (Eval_error "env-extend: odd number of key-val pairs") in
-      add_bindings pairs;
-      Env child)

hosts/ocaml/lib/sx_runtime.ml

@@ -539,4 +539,3 @@ let jit_try_call f args =
       (match hook f arg_list with Some result -> incr _jit_hit; result | None -> incr _jit_miss; _jit_skip_sentinel)
     | _ -> incr _jit_skip; _jit_skip_sentinel
 
-

lib/common-lisp/tests/runtime.sx

@@ -1,207 +0,0 @@
-;; lib/common-lisp/tests/runtime.sx — tests for CL runtime layer
-
-(load "lib/common-lisp/runtime.sx")
-
-(defsuite
-  "cl-types"
-  (deftest "cl-null? nil" (assert= true (cl-null? nil)))
-  (deftest "cl-null? false" (assert= false (cl-null? false)))
-  (deftest
-    "cl-consp? pair"
-    (assert= true (cl-consp? (list 1 2))))
-  (deftest "cl-consp? nil" (assert= false (cl-consp? nil)))
-  (deftest "cl-listp? nil" (assert= true (cl-listp? nil)))
-  (deftest
-    "cl-listp? list"
-    (assert= true (cl-listp? (list 1 2))))
-  (deftest "cl-atom? nil" (assert= true (cl-atom? nil)))
-  (deftest "cl-atom? pair" (assert= false (cl-atom? (list 1))))
-  (deftest "cl-integerp?" (assert= true (cl-integerp? 42)))
-  (deftest "cl-floatp?" (assert= true (cl-floatp? 3.14)))
-  (deftest
-    "cl-characterp?"
-    (assert= true (cl-characterp? (integer->char 65))))
-  (deftest "cl-stringp?" (assert= true (cl-stringp? "hello")))
-  (deftest "cl-symbolp?" (assert= true (cl-symbolp? (quote foo)))))
-
-(defsuite
-  "cl-arithmetic"
-  (deftest "cl-mod" (assert= 1 (cl-mod 10 3)))
-  (deftest "cl-rem" (assert= 1 (cl-rem 10 3)))
-  (deftest
-    "cl-quotient"
-    (assert= 3 (cl-quotient 10 3)))
-  (deftest "cl-gcd" (assert= 4 (cl-gcd 12 8)))
-  (deftest "cl-lcm" (assert= 12 (cl-lcm 4 6)))
-  (deftest "cl-abs pos" (assert= 5 (cl-abs 5)))
-  (deftest "cl-abs neg" (assert= 5 (cl-abs -5)))
-  (deftest "cl-min" (assert= 2 (cl-min 2 7)))
-  (deftest "cl-max" (assert= 7 (cl-max 2 7)))
-  (deftest "cl-evenp? t" (assert= true (cl-evenp? 4)))
-  (deftest "cl-evenp? f" (assert= false (cl-evenp? 3)))
-  (deftest "cl-oddp? t" (assert= true (cl-oddp? 7)))
-  (deftest "cl-zerop?" (assert= true (cl-zerop? 0)))
-  (deftest "cl-plusp?" (assert= true (cl-plusp? 1)))
-  (deftest "cl-minusp?" (assert= true (cl-minusp? -1)))
-  (deftest "cl-signum pos" (assert= 1 (cl-signum 42)))
-  (deftest "cl-signum neg" (assert= -1 (cl-signum -7)))
-  (deftest "cl-signum zero" (assert= 0 (cl-signum 0))))
-
-(defsuite
-  "cl-chars"
-  (deftest
-    "cl-char-code"
-    (assert= 65 (cl-char-code (integer->char 65))))
-  (deftest "cl-code-char" (assert= true (char? (cl-code-char 65))))
-  (deftest
-    "cl-char-upcase"
-    (assert=
-      (integer->char 65)
-      (cl-char-upcase (integer->char 97))))
-  (deftest
-    "cl-char-downcase"
-    (assert=
-      (integer->char 97)
-      (cl-char-downcase (integer->char 65))))
-  (deftest
-    "cl-alpha-char-p"
-    (assert= true (cl-alpha-char-p (integer->char 65))))
-  (deftest
-    "cl-digit-char-p"
-    (assert= true (cl-digit-char-p (integer->char 48))))
-  (deftest
-    "cl-char=?"
-    (assert=
-      true
-      (cl-char=? (integer->char 65) (integer->char 65))))
-  (deftest
-    "cl-char<?"
-    (assert=
-      true
-      (cl-char<? (integer->char 65) (integer->char 90))))
-  (deftest
-    "cl-char space"
-    (assert= (integer->char 32) cl-char-space))
-  (deftest
-    "cl-char newline"
-    (assert= (integer->char 10) cl-char-newline)))
-
-(defsuite
-  "cl-format"
-  (deftest
-    "cl-format nil basic"
-    (assert= "hello" (cl-format nil "~a" "hello")))
-  (deftest
-    "cl-format nil number"
-    (assert= "42" (cl-format nil "~d" 42)))
-  (deftest
-    "cl-format nil hex"
-    (assert= "ff" (cl-format nil "~x" 255)))
-  (deftest
-    "cl-format nil template"
-    (assert= "x=3 y=4" (cl-format nil "x=~d y=~d" 3 4)))
-  (deftest "cl-format nil tilde" (assert= "a~b" (cl-format nil "a~~b"))))
-
-(defsuite
-  "cl-gensym"
-  (deftest
-    "cl-gensym returns symbol"
-    (assert= "symbol" (type-of (cl-gensym))))
-  (deftest "cl-gensym unique" (assert= false (= (cl-gensym) (cl-gensym)))))
-
-(defsuite
-  "cl-sets"
-  (deftest "cl-make-set empty" (assert= true (cl-set? (cl-make-set))))
-  (deftest
-    "cl-set-add/member"
-    (let
-      ((s (cl-make-set)))
-      (do
-        (cl-set-add s 1)
-        (assert= true (cl-set-memberp s 1)))))
-  (deftest
-    "cl-set-memberp false"
-    (assert= false (cl-set-memberp (cl-make-set) 42)))
-  (deftest
-    "cl-list->set"
-    (let
-      ((s (cl-list->set (list 1 2 3))))
-      (assert= true (cl-set-memberp s 2)))))
-
-(defsuite
-  "cl-lists"
-  (deftest
-    "cl-nth 0"
-    (assert=
-      1
-      (cl-nth 0 (list 1 2 3))))
-  (deftest
-    "cl-nth 2"
-    (assert=
-      3
-      (cl-nth 2 (list 1 2 3))))
-  (deftest
-    "cl-last"
-    (assert=
-      (list 3)
-      (cl-last (list 1 2 3))))
-  (deftest
-    "cl-butlast"
-    (assert=
-      (list 1 2)
-      (cl-butlast (list 1 2 3))))
-  (deftest
-    "cl-nthcdr 1"
-    (assert=
-      (list 2 3)
-      (cl-nthcdr 1 (list 1 2 3))))
-  (deftest
-    "cl-assoc hit"
-    (assert=
-      (list "b" 2)
-      (cl-assoc "b" (list (list "a" 1) (list "b" 2)))))
-  (deftest
-    "cl-assoc miss"
-    (assert= nil (cl-assoc "z" (list (list "a" 1)))))
-  (deftest
-    "cl-getf hit"
-    (assert= 42 (cl-getf (list "x" 42 "y" 99) "x")))
-  (deftest "cl-getf miss" (assert= nil (cl-getf (list "x" 42) "z")))
-  (deftest
-    "cl-adjoin new"
-    (assert=
-      (list 0 1 2)
-      (cl-adjoin 0 (list 1 2))))
-  (deftest
-    "cl-adjoin dup"
-    (assert=
-      (list 1 2)
-      (cl-adjoin 1 (list 1 2))))
-  (deftest
-    "cl-flatten"
-    (assert=
-      (list 1 2 3 4)
-      (cl-flatten (list 1 (list 2 3) 4))))
-  (deftest
-    "cl-member hit"
-    (assert=
-      (list 2 3)
-      (cl-member 2 (list 1 2 3))))
-  (deftest
-    "cl-member miss"
-    (assert=
-      nil
-      (cl-member 9 (list 1 2 3)))))
-
-(defsuite
-  "cl-radix"
-  (deftest "binary" (assert= "1010" (cl-format-binary 10)))
-  (deftest "octal" (assert= "17" (cl-format-octal 15)))
-  (deftest "hex" (assert= "ff" (cl-format-hex 255)))
-  (deftest "decimal" (assert= "42" (cl-format-decimal 42)))
-  (deftest
-    "n->s r16"
-    (assert= "1f" (cl-integer-to-string 31 16)))
-  (deftest
-    "s->n r16"
-    (assert= 31 (cl-string-to-integer "1f" 16))))

lib/fiber.sx

@@ -1,44 +0,0 @@
-; lib/fiber.sx — pure SX fiber library using call/cc
-;
-; A fiber is a cooperative coroutine with true suspension (no eager
-; pre-execution). Each fiber is a dict {:resume fn :done? fn}.
-;
-; make-fiber body   → fiber dict
-;   body = (fn (yield init-val) ...)  — body receives yield + first resume val
-;   yield = (fn (val) ...)            — suspends fiber, returns val to resumer
-;
-; fiber-resume f v  → next yielded value, or nil when body returns
-; fiber-done? f     → true after body has returned
-
-(define make-fiber
-  (fn (body)
-    (let
-      ((resume-k nil)
-        (caller-k nil)
-        (done false))
-      (let
-        ((yield
-            (fn (val)
-              (call/cc
-                (fn (k)
-                  (set! resume-k k)
-                  (caller-k val))))))
-        {:resume
-         (fn (val)
-           (if
-             done
-             nil
-             (call/cc
-               (fn (k)
-                 (set! caller-k k)
-                 (if
-                   (nil? resume-k)
-                   (begin
-                     (body yield val)
-                     (set! done true)
-                     (k nil))
-                   (resume-k val))))))
-         :done? (fn () done)}))))
-
-(define fiber-resume (fn (f v) ((get f :resume) v)))
-(define fiber-done?  (fn (f) ((get f :done?))))

lib/haskell/conformance.sh

@@ -1,140 +0,0 @@
-#!/usr/bin/env bash
-# lib/haskell/conformance.sh — run the classic-program test suites.
-# Writes lib/haskell/scoreboard.json and lib/haskell/scoreboard.md.
-#
-# Usage:
-#   bash lib/haskell/conformance.sh           # run + write scoreboards
-#   bash lib/haskell/conformance.sh --check   # run only, exit 1 on failure
-
-set -euo pipefail
-cd "$(git rev-parse --show-toplevel)"
-
-SX_SERVER="hosts/ocaml/_build/default/bin/sx_server.exe"
-if [ ! -x "$SX_SERVER" ]; then
-  MAIN_ROOT=$(git worktree list | head -1 | awk '{print $1}')
-  if [ -x "$MAIN_ROOT/$SX_SERVER" ]; then
-    SX_SERVER="$MAIN_ROOT/$SX_SERVER"
-  else
-    echo "ERROR: sx_server.exe not found. Run: cd hosts/ocaml && dune build"
-    exit 1
-  fi
-fi
-
-PROGRAMS=(fib sieve quicksort nqueens calculator collatz palindrome maybe fizzbuzz anagram roman binary either primes zipwith matrix wordcount powers)
-PASS_COUNTS=()
-FAIL_COUNTS=()
-
-run_suite() {
-  local prog="$1"
-  local FILE="lib/haskell/tests/program-${prog}.sx"
-  local TMPFILE
-  TMPFILE=$(mktemp)
-  cat > "$TMPFILE" <<EPOCHS
-(epoch 1)
-(load "lib/haskell/tokenizer.sx")
-(load "lib/haskell/layout.sx")
-(load "lib/haskell/parser.sx")
-(load "lib/haskell/desugar.sx")
-(load "lib/haskell/runtime.sx")
-(load "lib/haskell/match.sx")
-(load "lib/haskell/eval.sx")
-(load "lib/haskell/testlib.sx")
-(epoch 2)
-(load "$FILE")
-(epoch 3)
-(eval "(list hk-test-pass hk-test-fail)")
-EPOCHS
-  local OUTPUT
-  OUTPUT=$(timeout 120 "$SX_SERVER" < "$TMPFILE" 2>&1 || true)
-  rm -f "$TMPFILE"
-
-  local LINE
-  LINE=$(echo "$OUTPUT" | awk '/^\(ok-len 3 / {getline; print; exit}')
-  if [ -z "$LINE" ]; then
-    LINE=$(echo "$OUTPUT" | grep -E '^\(ok 3 \([0-9]+ [0-9]+\)\)' | tail -1 \
-           | sed -E 's/^\(ok 3 //; s/\)$//' || true)
-  fi
-  if [ -z "$LINE" ]; then
-    echo "0 1"
-  else
-    local P F
-    P=$(echo "$LINE" | sed -E 's/^\(([0-9]+) ([0-9]+)\).*/\1/' || echo "0")
-    F=$(echo "$LINE" | sed -E 's/^\(([0-9]+) ([0-9]+)\).*/\2/' || echo "1")
-    echo "$P $F"
-  fi
-}
-
-for prog in "${PROGRAMS[@]}"; do
-  RESULT=$(run_suite "$prog")
-  P=$(echo "$RESULT" | cut -d' ' -f1)
-  F=$(echo "$RESULT" | cut -d' ' -f2)
-  PASS_COUNTS+=("$P")
-  FAIL_COUNTS+=("$F")
-  T=$((P + F))
-  if [ "$F" -eq 0 ]; then
-    printf '✓ %-14s  %d/%d\n' "${prog}.hs" "$P" "$T"
-  else
-    printf '✗ %-14s  %d/%d\n' "${prog}.hs" "$P" "$T"
-  fi
-done
-
-TOTAL_PASS=0
-TOTAL_FAIL=0
-PROG_PASS=0
-for i in "${!PROGRAMS[@]}"; do
-  TOTAL_PASS=$((TOTAL_PASS + PASS_COUNTS[i]))
-  TOTAL_FAIL=$((TOTAL_FAIL + FAIL_COUNTS[i]))
-  [ "${FAIL_COUNTS[$i]}" -eq 0 ] && PROG_PASS=$((PROG_PASS + 1))
-done
-PROG_TOTAL=${#PROGRAMS[@]}
-
-echo ""
-echo "Classic programs: ${TOTAL_PASS}/$((TOTAL_PASS + TOTAL_FAIL)) tests  |  ${PROG_PASS}/${PROG_TOTAL} programs passing"
-
-if [[ "${1:-}" == "--check" ]]; then
-  [ $TOTAL_FAIL -eq 0 ]
-  exit $?
-fi
-
-DATE=$(date '+%Y-%m-%d')
-
-# scoreboard.json
-{
-  printf '{\n'
-  printf '  "date": "%s",\n' "$DATE"
-  printf '  "total_pass": %d,\n' "$TOTAL_PASS"
-  printf '  "total_fail": %d,\n' "$TOTAL_FAIL"
-  printf '  "programs": {\n'
-  last=$((${#PROGRAMS[@]} - 1))
-  for i in "${!PROGRAMS[@]}"; do
-    prog="${PROGRAMS[$i]}"
-    if [ $i -lt $last ]; then
-      printf '    "%s": {"pass": %d, "fail": %d},\n' "$prog" "${PASS_COUNTS[$i]}" "${FAIL_COUNTS[$i]}"
-    else
-      printf '    "%s": {"pass": %d, "fail": %d}\n'  "$prog" "${PASS_COUNTS[$i]}" "${FAIL_COUNTS[$i]}"
-    fi
-  done
-  printf '  }\n'
-  printf '}\n'
-} > lib/haskell/scoreboard.json
-
-# scoreboard.md
-{
-  printf '# Haskell-on-SX Scoreboard\n\n'
-  printf 'Updated %s · Phase 6 (prelude extras + 18 programs)\n\n' "$DATE"
-  printf '| Program | Tests | Status |\n'
-  printf '|---------|-------|--------|\n'
-  for i in "${!PROGRAMS[@]}"; do
-    prog="${PROGRAMS[$i]}"
-    P=${PASS_COUNTS[$i]}
-    F=${FAIL_COUNTS[$i]}
-    T=$((P + F))
-    [ "$F" -eq 0 ] && STATUS="✓" || STATUS="✗"
-    printf '| %s | %d/%d | %s |\n' "${prog}.hs" "$P" "$T" "$STATUS"
-  done
-  printf '| **Total** | **%d/%d** | **%d/%d programs** |\n' \
-    "$TOTAL_PASS" "$((TOTAL_PASS + TOTAL_FAIL))" "$PROG_PASS" "$PROG_TOTAL"
-} > lib/haskell/scoreboard.md
-
-echo "Wrote lib/haskell/scoreboard.json and lib/haskell/scoreboard.md"
-[ $TOTAL_FAIL -eq 0 ]

lib/haskell/desugar.sx

@@ -1,249 +0,0 @@
-;; Desugar the Haskell surface AST into a smaller core AST.
-;;
-;; Eliminates the three surface-only shapes produced by the parser:
-;;   :where BODY DECLS     →  :let DECLS BODY
-;;   :guarded GUARDS       →  :if C1 E1 (:if C2 E2 … (:app error …))
-;;   :list-comp EXPR QUALS →  concatMap-based expression (§3.11)
-;;
-;; Everything else (:app, :op, :lambda, :let, :case, :do, :tuple,
-;; :list, :range, :if, :neg, :sect-left / :sect-right, plus all
-;; leaf forms and pattern / type nodes) is passed through after
-;; recursing into children.
-
-(define
-  hk-guards-to-if
-  (fn
-    (guards)
-    (cond
-      ((empty? guards)
-        (list
-          :app
-          (list :var "error")
-          (list :string "Non-exhaustive guards")))
-      (:else
-        (let
-          ((g (first guards)))
-          (list
-            :if
-            (hk-desugar (nth g 1))
-            (hk-desugar (nth g 2))
-            (hk-guards-to-if (rest guards))))))))
-
-;; do-notation desugaring (Haskell 98 §3.14):
-;;   do { e }              =  e
-;;   do { e ; ss }         =  e >> do { ss }
-;;   do { p <- e ; ss }    =  e >>= \p -> do { ss }
-;;   do { let decls ; ss } =  let decls in do { ss }
-(define
-  hk-desugar-do
-  (fn
-    (stmts)
-    (cond
-      ((empty? stmts) (raise "empty do block"))
-      ((empty? (rest stmts))
-        (let ((s (first stmts)))
-          (cond
-            ((= (first s) "do-expr") (hk-desugar (nth s 1)))
-            (:else
-              (raise "do block must end with an expression")))))
-      (:else
-        (let
-          ((s (first stmts)) (rest-stmts (rest stmts)))
-          (let
-            ((rest-do (hk-desugar-do rest-stmts)))
-            (cond
-              ((= (first s) "do-expr")
-                (list
-                  :app
-                  (list
-                    :app
-                    (list :var ">>")
-                    (hk-desugar (nth s 1)))
-                  rest-do))
-              ((= (first s) "do-bind")
-                (list
-                  :app
-                  (list
-                    :app
-                    (list :var ">>=")
-                    (hk-desugar (nth s 2)))
-                  (list :lambda (list (nth s 1)) rest-do)))
-              ((= (first s) "do-let")
-                (list
-                  :let
-                  (map hk-desugar (nth s 1))
-                  rest-do))
-              (:else (raise "unknown do-stmt tag")))))))))
-
-;; List-comprehension desugaring (Haskell 98 §3.11):
-;;   [e |             ]  =  [e]
-;;   [e | b,     Q    ]  =  if b then [e | Q] else []
-;;   [e | p <- l, Q    ]  =  concatMap (\p -> [e | Q]) l
-;;   [e | let ds, Q    ]  =  let ds in [e | Q]
-(define
-  hk-lc-desugar
-  (fn
-    (e quals)
-    (cond
-      ((empty? quals) (list :list (list e)))
-      (:else
-        (let
-          ((q (first quals)))
-          (let
-            ((qtag (first q)))
-            (cond
-              ((= qtag "q-guard")
-                (list
-                  :if
-                  (hk-desugar (nth q 1))
-                  (hk-lc-desugar e (rest quals))
-                  (list :list (list))))
-              ((= qtag "q-gen")
-                (list
-                  :app
-                  (list
-                    :app
-                    (list :var "concatMap")
-                    (list
-                      :lambda
-                      (list (nth q 1))
-                      (hk-lc-desugar e (rest quals))))
-                  (hk-desugar (nth q 2))))
-              ((= qtag "q-let")
-                (list
-                  :let
-                  (map hk-desugar (nth q 1))
-                  (hk-lc-desugar e (rest quals))))
-              (:else
-                (raise
-                  (str
-                    "hk-lc-desugar: unknown qualifier tag "
-                    qtag))))))))))
-
-(define
-  hk-desugar
-  (fn
-    (node)
-    (cond
-      ((not (list? node)) node)
-      ((empty? node) node)
-      (:else
-        (let
-          ((tag (first node)))
-          (cond
-            ;; Transformations
-            ((= tag "where")
-              (list
-                :let
-                (map hk-desugar (nth node 2))
-                (hk-desugar (nth node 1))))
-            ((= tag "guarded") (hk-guards-to-if (nth node 1)))
-            ((= tag "list-comp")
-              (hk-lc-desugar
-                (hk-desugar (nth node 1))
-                (nth node 2)))
-
-            ;; Expression nodes
-            ((= tag "app")
-              (list
-                :app
-                (hk-desugar (nth node 1))
-                (hk-desugar (nth node 2))))
-            ((= tag "op")
-              (list
-                :op
-                (nth node 1)
-                (hk-desugar (nth node 2))
-                (hk-desugar (nth node 3))))
-            ((= tag "neg") (list :neg (hk-desugar (nth node 1))))
-            ((= tag "if")
-              (list
-                :if
-                (hk-desugar (nth node 1))
-                (hk-desugar (nth node 2))
-                (hk-desugar (nth node 3))))
-            ((= tag "tuple")
-              (list :tuple (map hk-desugar (nth node 1))))
-            ((= tag "list")
-              (list :list (map hk-desugar (nth node 1))))
-            ((= tag "range")
-              (list
-                :range
-                (hk-desugar (nth node 1))
-                (hk-desugar (nth node 2))))
-            ((= tag "range-step")
-              (list
-                :range-step
-                (hk-desugar (nth node 1))
-                (hk-desugar (nth node 2))
-                (hk-desugar (nth node 3))))
-            ((= tag "lambda")
-              (list
-                :lambda
-                (nth node 1)
-                (hk-desugar (nth node 2))))
-            ((= tag "let")
-              (list
-                :let
-                (map hk-desugar (nth node 1))
-                (hk-desugar (nth node 2))))
-            ((= tag "case")
-              (list
-                :case
-                (hk-desugar (nth node 1))
-                (map hk-desugar (nth node 2))))
-            ((= tag "alt")
-              (list :alt (nth node 1) (hk-desugar (nth node 2))))
-            ((= tag "do") (hk-desugar-do (nth node 1)))
-            ((= tag "sect-left")
-              (list
-                :sect-left
-                (nth node 1)
-                (hk-desugar (nth node 2))))
-            ((= tag "sect-right")
-              (list
-                :sect-right
-                (nth node 1)
-                (hk-desugar (nth node 2))))
-
-            ;; Top-level
-            ((= tag "program")
-              (list :program (map hk-desugar (nth node 1))))
-            ((= tag "module")
-              (list
-                :module
-                (nth node 1)
-                (nth node 2)
-                (nth node 3)
-                (map hk-desugar (nth node 4))))
-
-            ;; Decls carrying a body
-            ((= tag "fun-clause")
-              (list
-                :fun-clause
-                (nth node 1)
-                (nth node 2)
-                (hk-desugar (nth node 3))))
-            ((= tag "pat-bind")
-              (list
-                :pat-bind
-                (nth node 1)
-                (hk-desugar (nth node 2))))
-            ((= tag "bind")
-              (list
-                :bind
-                (nth node 1)
-                (hk-desugar (nth node 2))))
-
-            ;; Everything else: leaf literals, vars, cons, patterns,
-            ;; types, imports, type-sigs, data / newtype / fixity, …
-            (:else node)))))))
-
-;; Convenience — tokenize + layout + parse + desugar.
-(define
-  hk-core
-  (fn (src) (hk-desugar (hk-parse-top src))))
-
-(define
-  hk-core-expr
-  (fn (src) (hk-desugar (hk-parse src))))

lib/haskell/infer.sx

@@ -1,658 +0,0 @@
-;; infer.sx — Hindley-Milner Algorithm W for Haskell-on-SX (Phase 4).
-;;
-;; Types: TVar, TCon, TArr, TApp, TTuple, TScheme
-;; Substitution: apply, compose, restrict
-;; Unification (with occurs check)
-;; Instantiation + generalization (let-polymorphism)
-;; Algorithm W for: literals, var, con, lambda, app, let, if, op, tuple, list
-
-;; ─── Type constructors ────────────────────────────────────────────────────────
-
-(define hk-tvar (fn (n) (list "TVar" n)))
-(define hk-tcon (fn (s) (list "TCon" s)))
-(define hk-tarr (fn (a b) (list "TArr" a b)))
-(define hk-tapp (fn (a b) (list "TApp" a b)))
-(define hk-ttuple (fn (ts) (list "TTuple" ts)))
-(define hk-tscheme (fn (vs t) (list "TScheme" vs t)))
-
-(define hk-tvar? (fn (t) (and (list? t) (not (empty? t)) (= (first t) "TVar"))))
-(define hk-tcon? (fn (t) (and (list? t) (not (empty? t)) (= (first t) "TCon"))))
-(define hk-tarr? (fn (t) (and (list? t) (not (empty? t)) (= (first t) "TArr"))))
-(define hk-tapp? (fn (t) (and (list? t) (not (empty? t)) (= (first t) "TApp"))))
-(define hk-ttuple? (fn (t) (and (list? t) (not (empty? t)) (= (first t) "TTuple"))))
-(define hk-tscheme? (fn (t) (and (list? t) (not (empty? t)) (= (first t) "TScheme"))))
-
-(define hk-tvar-name (fn (t) (nth t 1)))
-(define hk-tcon-name (fn (t) (nth t 1)))
-(define hk-tarr-t1 (fn (t) (nth t 1)))
-(define hk-tarr-t2 (fn (t) (nth t 2)))
-(define hk-tapp-t1 (fn (t) (nth t 1)))
-(define hk-tapp-t2 (fn (t) (nth t 2)))
-(define hk-ttuple-ts (fn (t) (nth t 1)))
-(define hk-tscheme-vs (fn (t) (nth t 1)))
-(define hk-tscheme-type (fn (t) (nth t 2)))
-
-(define hk-t-int    (hk-tcon "Int"))
-(define hk-t-bool   (hk-tcon "Bool"))
-(define hk-t-string (hk-tcon "String"))
-(define hk-t-char   (hk-tcon "Char"))
-(define hk-t-float  (hk-tcon "Float"))
-(define hk-t-list (fn (t) (hk-tapp (hk-tcon "[]") t)))
-
-;; ─── Type formatter ──────────────────────────────────────────────────────────
-
-(define
-  hk-type->str
-  (fn
-    (t)
-    (cond
-      ((hk-tvar? t)   (hk-tvar-name t))
-      ((hk-tcon? t)   (hk-tcon-name t))
-      ((hk-tarr? t)
-       (let ((s1 (if (hk-tarr? (hk-tarr-t1 t))
-                   (str "(" (hk-type->str (hk-tarr-t1 t)) ")")
-                   (hk-type->str (hk-tarr-t1 t)))))
-         (str s1 " -> " (hk-type->str (hk-tarr-t2 t)))))
-      ((hk-tapp? t)
-       (let ((h (hk-tapp-t1 t)))
-         (cond
-           ((and (hk-tcon? h) (= (hk-tcon-name h) "[]"))
-            (str "[" (hk-type->str (hk-tapp-t2 t)) "]"))
-           (:else
-            (str "(" (hk-type->str h) " " (hk-type->str (hk-tapp-t2 t)) ")")))))
-      ((hk-ttuple? t)
-       (str "(" (join ", " (map hk-type->str (hk-ttuple-ts t))) ")"))
-      ((hk-tscheme? t)
-       (str "forall " (join " " (hk-tscheme-vs t)) ". " (hk-type->str (hk-tscheme-type t))))
-      (:else "<?>"))))
-
-;; ─── Fresh variable counter ───────────────────────────────────────────────────
-
-(define hk-fresh-ctr 0)
-(define hk-fresh (fn () (set! hk-fresh-ctr (+ hk-fresh-ctr 1)) (hk-tvar (str "t" hk-fresh-ctr))))
-(define hk-reset-fresh (fn () (set! hk-fresh-ctr 0)))
-
-;; ─── Utilities ───────────────────────────────────────────────────────────────
-
-(define hk-infer-member? (fn (x lst) (some (fn (y) (= x y)) lst)))
-
-(define
-  hk-nub
-  (fn (lst)
-    (reduce (fn (acc x) (if (hk-infer-member? x acc) acc (append acc (list x)))) (list) lst)))
-
-;; ─── Free type variables ──────────────────────────────────────────────────────
-
-(define
-  hk-ftv
-  (fn
-    (t)
-    (cond
-      ((hk-tvar? t)    (list (hk-tvar-name t)))
-      ((hk-tcon? t)    (list))
-      ((hk-tarr? t)    (append (hk-ftv (hk-tarr-t1 t)) (hk-ftv (hk-tarr-t2 t))))
-      ((hk-tapp? t)    (append (hk-ftv (hk-tapp-t1 t)) (hk-ftv (hk-tapp-t2 t))))
-      ((hk-ttuple? t)  (reduce append (list) (map hk-ftv (hk-ttuple-ts t))))
-      ((hk-tscheme? t)
-       (filter
-         (fn (v) (not (hk-infer-member? v (hk-tscheme-vs t))))
-         (hk-ftv (hk-tscheme-type t))))
-      (:else (list)))))
-
-(define
-  hk-ftv-env
-  (fn (env)
-    (reduce (fn (acc k) (append acc (hk-ftv (get env k)))) (list) (keys env))))
-
-;; ─── Substitution ─────────────────────────────────────────────────────────────
-
-(define hk-subst-empty (dict))
-
-(define
-  hk-subst-restrict
-  (fn
-    (s exclude)
-    (let ((r (dict)))
-      (for-each
-        (fn (k)
-          (when (not (hk-infer-member? k exclude))
-            (dict-set! r k (get s k))))
-        (keys s))
-      r)))
-
-(define
-  hk-subst-apply
-  (fn
-    (s t)
-    (cond
-      ((hk-tvar? t)
-       (let ((v (get s (hk-tvar-name t))))
-         (if (nil? v) t (hk-subst-apply s v))))
-      ((hk-tarr? t)
-       (hk-tarr (hk-subst-apply s (hk-tarr-t1 t))
-                (hk-subst-apply s (hk-tarr-t2 t))))
-      ((hk-tapp? t)
-       (hk-tapp (hk-subst-apply s (hk-tapp-t1 t))
-                (hk-subst-apply s (hk-tapp-t2 t))))
-      ((hk-ttuple? t)
-       (hk-ttuple (map (fn (u) (hk-subst-apply s u)) (hk-ttuple-ts t))))
-      ((hk-tscheme? t)
-       (let ((s2 (hk-subst-restrict s (hk-tscheme-vs t))))
-         (hk-tscheme (hk-tscheme-vs t)
-                     (hk-subst-apply s2 (hk-tscheme-type t)))))
-      (:else t))))
-
-(define
-  hk-subst-compose
-  (fn
-    (s2 s1)
-    (let ((r (hk-dict-copy s2)))
-      (for-each
-        (fn (k)
-          (when (nil? (get r k))
-            (dict-set! r k (hk-subst-apply s2 (get s1 k)))))
-        (keys s1))
-      r)))
-
-(define
-  hk-env-apply-subst
-  (fn
-    (s env)
-    (let ((r (dict)))
-      (for-each (fn (k) (dict-set! r k (hk-subst-apply s (get env k)))) (keys env))
-      r)))
-
-;; ─── Unification ─────────────────────────────────────────────────────────────
-
-(define
-  hk-bind-var
-  (fn
-    (v t)
-    (cond
-      ((and (hk-tvar? t) (= (hk-tvar-name t) v))
-       hk-subst-empty)
-      ((hk-infer-member? v (hk-ftv t))
-       (raise (str "Occurs check failed: " v " in " (hk-type->str t))))
-      (:else
-       (let ((s (dict)))
-         (dict-set! s v t)
-         s)))))
-
-(define
-  hk-zip-unify
-  (fn
-    (ts1 ts2 acc)
-    (if (or (empty? ts1) (empty? ts2))
-      acc
-      (let ((s (hk-unify (hk-subst-apply acc (first ts1))
-                         (hk-subst-apply acc (first ts2)))))
-        (hk-zip-unify (rest ts1) (rest ts2) (hk-subst-compose s acc))))))
-
-(define
-  hk-unify
-  (fn
-    (t1 t2)
-    (cond
-      ((and (hk-tvar? t1) (hk-tvar? t2) (= (hk-tvar-name t1) (hk-tvar-name t2)))
-       hk-subst-empty)
-      ((hk-tvar? t1) (hk-bind-var (hk-tvar-name t1) t2))
-      ((hk-tvar? t2) (hk-bind-var (hk-tvar-name t2) t1))
-      ((and (hk-tcon? t1) (hk-tcon? t2) (= (hk-tcon-name t1) (hk-tcon-name t2)))
-       hk-subst-empty)
-      ((and (hk-tarr? t1) (hk-tarr? t2))
-       (let ((s1 (hk-unify (hk-tarr-t1 t1) (hk-tarr-t1 t2))))
-         (let ((s2 (hk-unify (hk-subst-apply s1 (hk-tarr-t2 t1))
-                             (hk-subst-apply s1 (hk-tarr-t2 t2)))))
-           (hk-subst-compose s2 s1))))
-      ((and (hk-tapp? t1) (hk-tapp? t2))
-       (let ((s1 (hk-unify (hk-tapp-t1 t1) (hk-tapp-t1 t2))))
-         (let ((s2 (hk-unify (hk-subst-apply s1 (hk-tapp-t2 t1))
-                             (hk-subst-apply s1 (hk-tapp-t2 t2)))))
-           (hk-subst-compose s2 s1))))
-      ((and (hk-ttuple? t1) (hk-ttuple? t2)
-            (= (length (hk-ttuple-ts t1)) (length (hk-ttuple-ts t2))))
-       (hk-zip-unify (hk-ttuple-ts t1) (hk-ttuple-ts t2) hk-subst-empty))
-      (:else
-       (raise (str "Cannot unify " (hk-type->str t1) " with " (hk-type->str t2)))))))
-
-;; ─── Instantiation and generalization ────────────────────────────────────────
-
-(define
-  hk-instantiate
-  (fn
-    (t)
-    (if (not (hk-tscheme? t))
-      t
-      (let ((s (dict)))
-        (for-each (fn (v) (dict-set! s v (hk-fresh))) (hk-tscheme-vs t))
-        (hk-subst-apply s (hk-tscheme-type t))))))
-
-(define
-  hk-generalize
-  (fn
-    (env t)
-    (let ((free-t   (hk-nub (hk-ftv t)))
-          (free-env (hk-nub (hk-ftv-env env))))
-      (let ((bound (filter (fn (v) (not (hk-infer-member? v free-env))) free-t)))
-        (if (empty? bound)
-          t
-          (hk-tscheme bound t))))))
-
-;; ─── Pattern binding extraction ──────────────────────────────────────────────
-;; Returns a dict of name → type bindings introduced by matching pat against tv.
-
-(define
-  hk-w-pat
-  (fn
-    (pat tv)
-    (let ((tag (first pat)))
-      (cond
-        ((= tag "p-var")  (let ((d (dict))) (dict-set! d (nth pat 1) tv) d))
-        ((= tag "p-wild") (dict))
-        (:else            (dict))))))
-
-;; ─── Algorithm W ─────────────────────────────────────────────────────────────
-;; hk-w : env × expr → (list subst type)
-
-(define
-  hk-w-let
-  (fn
-    (env binds body)
-    ;; Infer types for each binding in order, generalising at each step.
-    (let
-      ((env2
-        (reduce
-          (fn
-            (cur-env b)
-            (let ((tag (first b)))
-              (cond
-                ;; Simple pattern binding: let x = expr
-                ((or (= tag "bind") (= tag "pat-bind"))
-                 (let ((pat  (nth b 1))
-                       (rhs  (nth b 2)))
-                   (let ((tv (hk-fresh)))
-                     (let ((r (hk-w cur-env rhs)))
-                       (let ((s1 (first r)) (t1 (nth r 1)))
-                         (let ((s2 (hk-unify (hk-subst-apply s1 tv) t1)))
-                           (let ((s (hk-subst-compose s2 s1)))
-                             (let ((t-gen (hk-generalize (hk-env-apply-subst s cur-env)
-                                                         (hk-subst-apply s t1))))
-                               (let ((bindings (hk-w-pat pat t-gen)))
-                                 (let ((r2 (hk-dict-copy cur-env)))
-                                   (for-each
-                                     (fn (k) (dict-set! r2 k (get bindings k)))
-                                     (keys bindings))
-                                   r2))))))))))
-                ;; Function clause: let f x y = expr
-                ((= tag "fun-clause")
-                 (let ((name (nth b 1))
-                       (pats (nth b 2))
-                       (body2 (nth b 3)))
-                   ;; Treat as: let name = lambda pats body2
-                   (let ((rhs (if (empty? pats)
-                                body2
-                                (list "lambda" pats body2))))
-                     (let ((tv (hk-fresh)))
-                       (let ((env-rec (hk-dict-copy cur-env)))
-                         (dict-set! env-rec name tv)
-                         (let ((r (hk-w env-rec rhs)))
-                           (let ((s1 (first r)) (t1 (nth r 1)))
-                             (let ((s2 (hk-unify (hk-subst-apply s1 tv) t1)))
-                               (let ((s (hk-subst-compose s2 s1)))
-                                 (let ((t-gen (hk-generalize
-                                                (hk-env-apply-subst s cur-env)
-                                                (hk-subst-apply s t1))))
-                                   (let ((r2 (hk-dict-copy cur-env)))
-                                     (dict-set! r2 name t-gen)
-                                     r2)))))))))))
-                (:else cur-env))))
-          env
-          binds)))
-      (hk-w env2 body))))
-
-(define
-  hk-w
-  (fn
-    (env expr)
-    (let ((tag (first expr)))
-      (cond
-        ;; Literals
-        ((= tag "int")    (list hk-subst-empty hk-t-int))
-        ((= tag "float")  (list hk-subst-empty hk-t-float))
-        ((= tag "string") (list hk-subst-empty hk-t-string))
-        ((= tag "char")   (list hk-subst-empty hk-t-char))
-
-        ;; Variable
-        ((= tag "var")
-         (let ((name (nth expr 1)))
-           (let ((scheme (get env name)))
-             (if (nil? scheme)
-               (raise (str "Unbound variable: " name))
-               (list hk-subst-empty (hk-instantiate scheme))))))
-
-        ;; Constructor (same lookup as var)
-        ((= tag "con")
-         (let ((name (nth expr 1)))
-           (let ((scheme (get env name)))
-             (if (nil? scheme)
-               (list hk-subst-empty (hk-fresh))
-               (list hk-subst-empty (hk-instantiate scheme))))))
-
-        ;; Unary negation
-        ((= tag "neg")
-         (let ((r (hk-w env (nth expr 1))))
-           (let ((s1 (first r)) (t1 (nth r 1)))
-             (let ((s2 (hk-unify t1 hk-t-int)))
-               (list (hk-subst-compose s2 s1) hk-t-int)))))
-
-        ;; Lambda: ("lambda" pats body)
-        ((= tag "lambda")
-         (let ((pats (nth expr 1))
-               (body (nth expr 2)))
-           (if (empty? pats)
-             (hk-w env body)
-             (let ((pat  (first pats))
-                   (rest (rest pats)))
-               (let ((tv (hk-fresh)))
-                 (let ((bindings (hk-w-pat pat tv)))
-                   (let ((env2 (hk-dict-copy env)))
-                     (for-each (fn (k) (dict-set! env2 k (get bindings k))) (keys bindings))
-                     (let ((inner (if (empty? rest)
-                                    body
-                                    (list "lambda" rest body))))
-                       (let ((r (hk-w env2 inner)))
-                         (let ((s1 (first r)) (t1 (nth r 1)))
-                           (list s1 (hk-tarr (hk-subst-apply s1 tv) t1))))))))))))
-
-        ;; Application: ("app" f x)
-        ((= tag "app")
-         (let ((tv (hk-fresh)))
-           (let ((r1 (hk-w env (nth expr 1))))
-             (let ((s1 (first r1)) (tf (nth r1 1)))
-               (let ((r2 (hk-w (hk-env-apply-subst s1 env) (nth expr 2))))
-                 (let ((s2 (first r2)) (tx (nth r2 1)))
-                   (let ((s3 (hk-unify (hk-subst-apply s2 tf) (hk-tarr tx tv))))
-                     (let ((s (hk-subst-compose s3 (hk-subst-compose s2 s1))))
-                       (list s (hk-subst-apply s3 tv))))))))))
-
-        ;; Let: ("let" binds body)
-        ((= tag "let")
-         (hk-w-let env (nth expr 1) (nth expr 2)))
-
-        ;; If: ("if" cond then else)
-        ((= tag "if")
-         (let ((r1 (hk-w env (nth expr 1))))
-           (let ((s1 (first r1)) (tc (nth r1 1)))
-             (let ((s2 (hk-unify tc hk-t-bool)))
-               (let ((s12 (hk-subst-compose s2 s1)))
-                 (let ((r2 (hk-w (hk-env-apply-subst s12 env) (nth expr 2))))
-                   (let ((s3 (first r2)) (tt (nth r2 1)))
-                     (let ((s123 (hk-subst-compose s3 s12)))
-                       (let ((r3 (hk-w (hk-env-apply-subst s123 env) (nth expr 3))))
-                         (let ((s4 (first r3)) (te (nth r3 1)))
-                           (let ((s5 (hk-unify (hk-subst-apply s4 tt) te)))
-                             (let ((s (hk-subst-compose s5 (hk-subst-compose s4 s123))))
-                               (list s (hk-subst-apply s5 te))))))))))))))
-
-        ;; Binary operator: ("op" op-name left right)
-        ;; Desugar to double application.
-        ((= tag "op")
-         (hk-w env
-               (list "app"
-                     (list "app" (list "var" (nth expr 1)) (nth expr 2))
-                     (nth expr 3))))
-
-        ;; Tuple: ("tuple" [e1 e2 ...])
-        ((= tag "tuple")
-         (let ((elems (nth expr 1)))
-           (let ((s-acc hk-subst-empty)
-                 (ts    (list)))
-             (for-each
-               (fn (e)
-                 (let ((r (hk-w (hk-env-apply-subst s-acc env) e)))
-                   (set! s-acc (hk-subst-compose (first r) s-acc))
-                   (set! ts    (append ts (list (nth r 1))))))
-               elems)
-             (list s-acc (hk-ttuple (map (fn (t) (hk-subst-apply s-acc t)) ts))))))
-
-        ;; List literal: ("list" [e1 e2 ...])
-        ((= tag "list")
-         (let ((elems (nth expr 1)))
-           (if (empty? elems)
-             (list hk-subst-empty (hk-t-list (hk-fresh)))
-             (let ((tv (hk-fresh)))
-               (let ((s-acc hk-subst-empty))
-                 (for-each
-                   (fn (e)
-                     (let ((r (hk-w (hk-env-apply-subst s-acc env) e)))
-                       (let ((s2 (first r)) (te (nth r 1)))
-                         (let ((s3 (hk-unify (hk-subst-apply s2 tv) te)))
-                           (set! s-acc (hk-subst-compose s3 (hk-subst-compose s2 s-acc)))))))
-                   elems)
-                 (list s-acc (hk-t-list (hk-subst-apply s-acc tv))))))))
-
-        ;; Location annotation: just delegate — position is for outer context.
-        ((= tag "loc")
-         (hk-w env (nth expr 3)))
-
-        (:else
-         (raise (str "hk-w: unhandled tag: " tag)))))))
-
-;; ─── Initial type environment ─────────────────────────────────────────────────
-;; Monomorphic numeric ops (no Num typeclass yet — upgraded in Phase 5).
-
-(define
-  hk-type-env0
-  (fn ()
-    (let ((env (dict)))
-      ;; Integer arithmetic
-      (for-each
-        (fn (op)
-          (dict-set! env op (hk-tarr hk-t-int (hk-tarr hk-t-int hk-t-int))))
-        (list "+" "-" "*" "div" "mod" "quot" "rem"))
-      ;; Integer comparison → Bool
-      (for-each
-        (fn (op)
-          (dict-set! env op (hk-tarr hk-t-int (hk-tarr hk-t-int hk-t-bool))))
-        (list "==" "/=" "<" "<=" ">" ">="))
-      ;; Boolean operators
-      (dict-set! env "&&" (hk-tarr hk-t-bool (hk-tarr hk-t-bool hk-t-bool)))
-      (dict-set! env "||" (hk-tarr hk-t-bool (hk-tarr hk-t-bool hk-t-bool)))
-      (dict-set! env "not" (hk-tarr hk-t-bool hk-t-bool))
-      ;; Constructors
-      (dict-set! env "True"  hk-t-bool)
-      (dict-set! env "False" hk-t-bool)
-      ;; Polymorphic list ops (using TScheme)
-      (let ((a (hk-tvar "a")))
-        (dict-set! env "head"  (hk-tscheme (list "a") (hk-tarr (hk-t-list a) a)))
-        (dict-set! env "tail"  (hk-tscheme (list "a") (hk-tarr (hk-t-list a) (hk-t-list a))))
-        (dict-set! env "null"  (hk-tscheme (list "a") (hk-tarr (hk-t-list a) hk-t-bool)))
-        (dict-set! env "length" (hk-tscheme (list "a") (hk-tarr (hk-t-list a) hk-t-int)))
-        (dict-set! env "reverse" (hk-tscheme (list "a") (hk-tarr (hk-t-list a) (hk-t-list a))))
-        (dict-set! env ":"
-          (hk-tscheme (list "a") (hk-tarr a (hk-tarr (hk-t-list a) (hk-t-list a))))))
-      ;; negate
-      (dict-set! env "negate" (hk-tarr hk-t-int hk-t-int))
-      (dict-set! env "abs"    (hk-tarr hk-t-int hk-t-int))
-      env)))
-
-;; ─── Expression brief printer ────────────────────────────────────────────────
-;; Produces a short human-readable label for an AST node used in error messages.
-
-(define
-  hk-expr->brief
-  (fn
-    (expr)
-    (cond
-      ((not (list? expr)) (str expr))
-      ((empty? expr)      "()")
-      (:else
-       (let ((tag (first expr)))
-         (cond
-           ((= tag "var")    (nth expr 1))
-           ((= tag "con")    (nth expr 1))
-           ((= tag "int")    (str (nth expr 1)))
-           ((= tag "float")  (str (nth expr 1)))
-           ((= tag "string") (str "\"" (nth expr 1) "\""))
-           ((= tag "char")   (str "'" (nth expr 1) "'"))
-           ((= tag "neg")    (str "(-" (hk-expr->brief (nth expr 1)) ")"))
-           ((= tag "app")
-            (str "(" (hk-expr->brief (nth expr 1))
-                 " " (hk-expr->brief (nth expr 2)) ")"))
-           ((= tag "op")
-            (str "(" (hk-expr->brief (nth expr 2))
-                 " " (nth expr 1)
-                 " " (hk-expr->brief (nth expr 3)) ")"))
-           ((= tag "lambda") "(\\ ...)")
-           ((= tag "let")    "(let ...)")
-           ((= tag "if")     "(if ...)")
-           ((= tag "tuple")  "(tuple ...)")
-           ((= tag "list")   "[...]")
-           ((= tag "loc")    (hk-expr->brief (nth expr 3)))
-           (:else            (str "(" tag " ..."))))))))
-
-;; ─── Loc-annotated inference ──────────────────────────────────────────────────
-;; ("loc" LINE COL INNER) node: hk-w catches any error and re-raises with
-;; "at LINE:COL: " prepended.  Emitted by the parser or test scaffolding.
-
-;; Extended hk-w handles "loc" — handled inline in the cond below.
-
-;; ─── Program-level inference ─────────────────────────────────────────────────
-;; hk-infer-decl : env × decl → ("ok" name type-str) | ("err" msg) | nil
-;;   Uses tagged results so callers don't need re-raise.
-
-(define
-  hk-infer-decl
-  (fn
-    (env decl)
-    (let
-      ((tag (first decl)))
-      (cond
-        ((= tag "fun-clause")
-          (let
-            ((name (nth decl 1)) (pats (nth decl 2)) (body (nth decl 3)))
-            (let
-              ((rhs (if (empty? pats) body (list "lambda" pats body))))
-              (guard
-                (e (#t (list "err" (str "in '" name "': " e))))
-                (begin
-                  (hk-reset-fresh)
-                  (let
-                    ((r (hk-w env rhs)))
-                    (let
-                      ((final-type (hk-subst-apply (first r) (nth r 1))))
-                      (list "ok" name (hk-type->str final-type) final-type))))))))
-        ((or (= tag "bind") (= tag "pat-bind"))
-          (let
-            ((pat (nth decl 1)) (body (nth decl 2)))
-            (let
-              ((label (if (and (list? pat) (= (first pat) "p-var")) (nth pat 1) "<binding>")))
-              (guard
-                (e (#t (list "err" (str "in '" label "': " e))))
-                (begin
-                  (hk-reset-fresh)
-                  (let
-                    ((r (hk-w env body)))
-                    (let
-                      ((final-type (hk-subst-apply (first r) (nth r 1))))
-                      (list "ok" label (hk-type->str final-type) final-type))))))))
-        (:else nil)))))
-
-;; hk-infer-prog : program-ast × env → list of ("ok" name type) | ("err" msg)
-
-(define
-  hk-ast-type
-  (fn
-    (ast)
-    (let
-      ((tag (first ast)))
-      (cond
-        ((= tag "t-con") (list "TCon" (nth ast 1)))
-        ((= tag "t-var") (list "TVar" (nth ast 1)))
-        ((= tag "t-fun")
-          (list "TArr" (hk-ast-type (nth ast 1)) (hk-ast-type (nth ast 2))))
-        ((= tag "t-app")
-          (list "TApp" (hk-ast-type (nth ast 1)) (hk-ast-type (nth ast 2))))
-        ((= tag "t-list")
-          (list "TApp" (list "TCon" "[]") (hk-ast-type (nth ast 1))))
-        ((= tag "t-tuple") (list "TTuple" (map hk-ast-type (nth ast 1))))
-        (:else (raise (str "unknown type node: " (first ast))))))))
-
-;; ─── Convenience ─────────────────────────────────────────────────────────────
-;; hk-infer-type : Haskell expression source → inferred type string
-
-(define
-  hk-collect-tvars
-  (fn
-    (t acc)
-    (cond
-      ((= (first t) "TVar")
-        (if
-          (some (fn (v) (= v (nth t 1))) acc)
-          acc
-          (begin (append! acc (nth t 1)) acc)))
-      ((= (first t) "TArr")
-        (hk-collect-tvars (nth t 2) (hk-collect-tvars (nth t 1) acc)))
-      ((= (first t) "TApp")
-        (hk-collect-tvars (nth t 2) (hk-collect-tvars (nth t 1) acc)))
-      ((= (first t) "TTuple")
-        (reduce (fn (a elem) (hk-collect-tvars elem a)) acc (nth t 1)))
-      (:else acc))))
-
-(define
-  hk-check-sig
-  (fn
-    (declared-ast inferred-type)
-    (let
-      ((declared (hk-ast-type declared-ast)))
-      (let
-        ((tvars (hk-collect-tvars declared (list))))
-        (let
-          ((scheme (if (empty? tvars) declared (list "TScheme" tvars declared))))
-          (let
-            ((inst (hk-instantiate scheme)))
-            (hk-unify inst inferred-type)))))))
-
-(define
-  hk-infer-prog
-  (fn
-    (prog env)
-    (let
-      ((decls (cond ((and (list? prog) (= (first prog) "program")) (nth prog 1)) ((and (list? prog) (= (first prog) "module")) (nth prog 3)) (:else (list))))
-        (results (list))
-        (sigs (dict)))
-      (for-each
-        (fn
-          (d)
-          (when
-            (= (first d) "type-sig")
-            (let
-              ((names (nth d 1)) (type-ast (nth d 2)))
-              (for-each (fn (n) (dict-set! sigs n type-ast)) names))))
-        decls)
-      (for-each
-        (fn
-          (d)
-          (let
-            ((r (hk-infer-decl env d)))
-            (when
-              (not (nil? r))
-              (let
-                ((checked (if (and (= (first r) "ok") (has-key? sigs (nth r 1))) (guard (e (true (list "err" (str "in '" (nth r 1) "': declared type mismatch: " e)))) (begin (hk-check-sig (get sigs (nth r 1)) (nth r 3)) r)) r)))
-                (append! results checked)
-                (when
-                  (= (first checked) "ok")
-                  (dict-set! env (nth checked 1) (nth checked 3)))))))
-        decls)
-      results)))
-
-(define
-  hk-infer-type
-  (fn
-    (src)
-    (hk-reset-fresh)
-    (let
-      ((ast (hk-core-expr src)) (env (hk-type-env0)))
-      (let
-        ((r (hk-w env ast)))
-        (hk-type->str (hk-subst-apply (first r) (nth r 1)))))))

lib/haskell/layout.sx

@@ -1,329 +0,0 @@
-;; Haskell 98 layout algorithm (§10.3).
-;;
-;; Consumes the raw token stream produced by hk-tokenize and inserts
-;; virtual braces / semicolons (types vlbrace / vrbrace / vsemi) based
-;; on indentation. Newline tokens are consumed and stripped.
-;;
-;;   (hk-layout (hk-tokenize src))  →  tokens-with-virtual-layout
-
-;; ── Pre-pass ──────────────────────────────────────────────────────
-;;
-;; Walks the raw token list and emits an augmented stream containing
-;; two fresh pseudo-tokens:
-;;
-;;   {:type "layout-open"   :col N :keyword K}
-;;     At stream start (K = "<module>") unless the first real token is
-;;     `module` or `{`. Also immediately after every `let` / `where` /
-;;     `do` / `of` whose following token is NOT `{`. N is the column
-;;     of the token that follows.
-;;
-;;   {:type "layout-indent" :col N}
-;;     Before any token whose line is strictly greater than the line
-;;     of the previously emitted real token, EXCEPT when that token
-;;     is already preceded by a layout-open (Haskell 98 §10.3 note 3).
-;;
-;; Raw newline tokens are dropped.
-
-(define
-  hk-layout-keyword?
-  (fn
-    (tok)
-    (and
-      (= (get tok "type") "reserved")
-      (or
-        (= (get tok "value") "let")
-        (= (get tok "value") "where")
-        (= (get tok "value") "do")
-        (= (get tok "value") "of")))))
-
-(define
-  hk-layout-pre
-  (fn
-    (tokens)
-    (let
-      ((result (list))
-        (n (len tokens))
-        (i 0)
-        (prev-line -1)
-        (first-real-emitted false)
-        (suppress-next-indent false))
-      (define
-        hk-next-real-idx
-        (fn
-          (start)
-          (let
-            ((j start))
-            (define
-              hk-nri-loop
-              (fn
-                ()
-                (when
-                  (and
-                    (< j n)
-                    (= (get (nth tokens j) "type") "newline"))
-                  (do (set! j (+ j 1)) (hk-nri-loop)))))
-            (hk-nri-loop)
-            j)))
-      (define
-        hk-pre-step
-        (fn
-          ()
-          (when
-            (< i n)
-            (let
-              ((tok (nth tokens i)) (ty (get tok "type")))
-              (cond
-                ((= ty "newline") (do (set! i (+ i 1)) (hk-pre-step)))
-                (:else
-                  (do
-                    (when
-                      (not first-real-emitted)
-                      (do
-                        (set! first-real-emitted true)
-                        (when
-                          (not
-                            (or
-                              (and
-                                (= ty "reserved")
-                                (= (get tok "value") "module"))
-                              (= ty "lbrace")))
-                          (do
-                            (append!
-                              result
-                              {:type "layout-open"
-                                :col (get tok "col")
-                                :keyword "<module>"
-                                :line (get tok "line")})
-                            (set! suppress-next-indent true)))))
-                    (when
-                      (and
-                        (>= prev-line 0)
-                        (> (get tok "line") prev-line)
-                        (not suppress-next-indent))
-                      (append!
-                        result
-                        {:type "layout-indent"
-                          :col (get tok "col")
-                          :line (get tok "line")}))
-                    (set! suppress-next-indent false)
-                    (set! prev-line (get tok "line"))
-                    (append! result tok)
-                    (when
-                      (hk-layout-keyword? tok)
-                      (let
-                        ((j (hk-next-real-idx (+ i 1))))
-                        (cond
-                          ((>= j n)
-                            (do
-                              (append!
-                                result
-                                {:type "layout-open"
-                                  :col 0
-                                  :keyword (get tok "value")
-                                  :line (get tok "line")})
-                              (set! suppress-next-indent true)))
-                          ((= (get (nth tokens j) "type") "lbrace") nil)
-                          (:else
-                            (do
-                              (append!
-                                result
-                                {:type "layout-open"
-                                  :col (get (nth tokens j) "col")
-                                  :keyword (get tok "value")
-                                  :line (get tok "line")})
-                              (set! suppress-next-indent true))))))
-                    (set! i (+ i 1))
-                    (hk-pre-step))))))))
-      (hk-pre-step)
-      result)))
-
-;; ── Main pass: L algorithm ────────────────────────────────────────
-;;
-;; Stack is a list; the head is the top of stack. Each entry is
-;; either the keyword :explicit (pushed by an explicit `{`) or a dict
-;; {:col N :keyword K} pushed by a layout-open marker.
-;;
-;; Rules (following Haskell 98 §10.3):
-;;
-;;   layout-open(n)  vs stack:
-;;     empty or explicit top                 → push n; emit {
-;;     n > top-col                           → push n; emit {
-;;     otherwise                             → emit { }; retry as indent(n)
-;;
-;;   layout-indent(n) vs stack:
-;;     empty or explicit top                 → drop
-;;     n == top-col                          → emit ;
-;;     n <  top-col                          → emit }; pop; recurse
-;;     n >  top-col                          → drop
-;;
-;;   lbrace                                  → push :explicit; emit {
-;;   rbrace                                  → pop if :explicit; emit }
-;;   `in` with implicit let on top           → emit }; pop; emit in
-;;   any other token                         → emit
-;;
-;; EOF: emit } for every remaining implicit context.
-
-(define
-  hk-layout-L
-  (fn
-    (pre-toks)
-    (let
-      ((result (list))
-        (stack (list))
-        (n (len pre-toks))
-        (i 0))
-      (define hk-emit (fn (t) (append! result t)))
-      (define
-        hk-indent-at
-        (fn
-          (col line)
-          (cond
-            ((or (empty? stack) (= (first stack) :explicit)) nil)
-            (:else
-              (let
-                ((top-col (get (first stack) "col")))
-                (cond
-                  ((= col top-col)
-                    (hk-emit
-                      {:type "vsemi" :value ";" :line line :col col}))
-                  ((< col top-col)
-                    (do
-                      (hk-emit
-                        {:type "vrbrace" :value "}" :line line :col col})
-                      (set! stack (rest stack))
-                      (hk-indent-at col line)))
-                  (:else nil)))))))
-      (define
-        hk-open-at
-        (fn
-          (col keyword line)
-          (cond
-            ((and
-                (> col 0)
-                (or
-                  (empty? stack)
-                  (= (first stack) :explicit)
-                  (> col (get (first stack) "col"))))
-              (do
-                (hk-emit
-                  {:type "vlbrace" :value "{" :line line :col col})
-                (set! stack (cons {:col col :keyword keyword} stack))))
-            (:else
-              (do
-                (hk-emit
-                  {:type "vlbrace" :value "{" :line line :col col})
-                (hk-emit
-                  {:type "vrbrace" :value "}" :line line :col col})
-                (hk-indent-at col line))))))
-      (define
-        hk-close-eof
-        (fn
-          ()
-          (when
-            (and
-              (not (empty? stack))
-              (not (= (first stack) :explicit)))
-            (do
-              (hk-emit {:type "vrbrace" :value "}" :line 0 :col 0})
-              (set! stack (rest stack))
-              (hk-close-eof)))))
-      ;; Peek past further layout-indent / layout-open markers to find
-      ;; the next real token's value when its type is `reserved`.
-      ;; Returns nil if no such token.
-      (define
-        hk-peek-next-reserved
-        (fn
-          (start)
-          (let ((j (+ start 1)) (found nil) (done false))
-            (define
-              hk-pnr-loop
-              (fn
-                ()
-                (when
-                  (and (not done) (< j n))
-                  (let
-                    ((t (nth pre-toks j)) (ty (get t "type")))
-                    (cond
-                      ((or
-                          (= ty "layout-indent")
-                          (= ty "layout-open"))
-                        (do (set! j (+ j 1)) (hk-pnr-loop)))
-                      ((= ty "reserved")
-                        (do (set! found (get t "value")) (set! done true)))
-                      (:else (set! done true)))))))
-            (hk-pnr-loop)
-            found)))
-      (define
-        hk-layout-step
-        (fn
-          ()
-          (when
-            (< i n)
-            (let
-              ((tok (nth pre-toks i)) (ty (get tok "type")))
-              (cond
-                ((= ty "eof")
-                  (do
-                    (hk-close-eof)
-                    (hk-emit tok)
-                    (set! i (+ i 1))
-                    (hk-layout-step)))
-                ((= ty "layout-open")
-                  (do
-                    (hk-open-at
-                      (get tok "col")
-                      (get tok "keyword")
-                      (get tok "line"))
-                    (set! i (+ i 1))
-                    (hk-layout-step)))
-                ((= ty "layout-indent")
-                  (cond
-                    ((= (hk-peek-next-reserved i) "in")
-                      (do (set! i (+ i 1)) (hk-layout-step)))
-                    (:else
-                      (do
-                        (hk-indent-at (get tok "col") (get tok "line"))
-                        (set! i (+ i 1))
-                        (hk-layout-step)))))
-                ((= ty "lbrace")
-                  (do
-                    (set! stack (cons :explicit stack))
-                    (hk-emit tok)
-                    (set! i (+ i 1))
-                    (hk-layout-step)))
-                ((= ty "rbrace")
-                  (do
-                    (when
-                      (and
-                        (not (empty? stack))
-                        (= (first stack) :explicit))
-                      (set! stack (rest stack)))
-                    (hk-emit tok)
-                    (set! i (+ i 1))
-                    (hk-layout-step)))
-                ((and
-                    (= ty "reserved")
-                    (= (get tok "value") "in")
-                    (not (empty? stack))
-                    (not (= (first stack) :explicit))
-                    (= (get (first stack) "keyword") "let"))
-                  (do
-                    (hk-emit
-                      {:type "vrbrace"
-                        :value "}"
-                        :line (get tok "line")
-                        :col (get tok "col")})
-                    (set! stack (rest stack))
-                    (hk-emit tok)
-                    (set! i (+ i 1))
-                    (hk-layout-step)))
-                (:else
-                  (do
-                    (hk-emit tok)
-                    (set! i (+ i 1))
-                    (hk-layout-step))))))))
-      (hk-layout-step)
-      (hk-close-eof)
-      result)))
-
-(define hk-layout (fn (tokens) (hk-layout-L (hk-layout-pre tokens))))

lib/haskell/match.sx

@@ -1,201 +0,0 @@
-;; Value-level pattern matching.
-;;
-;; Constructor values are tagged lists whose first element is the
-;; constructor name (a string). Tuples use the special tag "Tuple".
-;; Lists use the spine of `:` cons and `[]` nil.
-;;
-;;   Just 5         →  ("Just" 5)
-;;   Nothing        →  ("Nothing")
-;;   (1, 2)         →  ("Tuple" 1 2)
-;;   [1, 2]         →  (":" 1 (":" 2 ("[]")))
-;;   ()             →  ("()")
-;;
-;; Primitive values (numbers, strings, chars) are stored raw.
-;;
-;; The matcher takes a pattern AST node, a value, and an environment
-;; dict; it returns an extended dict on success, or `nil` on failure.
-
-;; ── Value builders ──────────────────────────────────────────
-(define
-  hk-mk-con
-  (fn
-    (cname args)
-    (let ((result (list cname)))
-      (for-each (fn (a) (append! result a)) args)
-      result)))
-
-(define
-  hk-mk-tuple
-  (fn
-    (items)
-    (let ((result (list "Tuple")))
-      (for-each (fn (x) (append! result x)) items)
-      result)))
-
-(define hk-mk-nil (fn () (list "[]")))
-
-(define hk-mk-cons (fn (h t) (list ":" h t)))
-
-(define
-  hk-mk-list
-  (fn
-    (items)
-    (cond
-      ((empty? items) (hk-mk-nil))
-      (:else
-        (hk-mk-cons (first items) (hk-mk-list (rest items)))))))
-
-;; ── Predicates / accessors on constructor values ───────────
-(define
-  hk-is-con-val?
-  (fn
-    (v)
-    (and
-      (list? v)
-      (not (empty? v))
-      (string? (first v)))))
-
-(define hk-val-con-name (fn (v) (first v)))
-
-(define hk-val-con-args (fn (v) (rest v)))
-
-;; ── The matcher ────────────────────────────────────────────
-;;
-;; Pattern match forces the scrutinee to WHNF before inspecting it
-;; — except for `p-wild`, `p-var`, and `p-lazy`, which never need
-;; to look at the value. Args of constructor / tuple / list values
-;; remain thunked (they're forced only when their own pattern needs
-;; to inspect them, recursively).
-(define
-  hk-match
-  (fn
-    (pat val env)
-    (cond
-      ((not (list? pat)) nil)
-      ((empty? pat) nil)
-      (:else
-        (let
-          ((tag (first pat)))
-          (cond
-            ((= tag "p-wild") env)
-            ((= tag "p-var") (assoc env (nth pat 1) val))
-            ((= tag "p-lazy") (hk-match (nth pat 1) val env))
-            ((= tag "p-as")
-              (let
-                ((res (hk-match (nth pat 2) val env)))
-                (cond
-                  ((nil? res) nil)
-                  (:else (assoc res (nth pat 1) val)))))
-            (:else
-              (let ((fv (hk-force val)))
-                (cond
-                  ((= tag "p-int")
-                    (if
-                      (and (number? fv) (= fv (nth pat 1)))
-                      env
-                      nil))
-                  ((= tag "p-float")
-                    (if
-                      (and (number? fv) (= fv (nth pat 1)))
-                      env
-                      nil))
-                  ((= tag "p-string")
-                    (if
-                      (and (string? fv) (= fv (nth pat 1)))
-                      env
-                      nil))
-                  ((= tag "p-char")
-                    (if
-                      (and (string? fv) (= fv (nth pat 1)))
-                      env
-                      nil))
-                  ((= tag "p-con")
-                    (let
-                      ((pat-name (nth pat 1)) (pat-args (nth pat 2)))
-                      (cond
-                        ((not (hk-is-con-val? fv)) nil)
-                        ((not (= (hk-val-con-name fv) pat-name)) nil)
-                        (:else
-                          (let
-                            ((val-args (hk-val-con-args fv)))
-                            (cond
-                              ((not (= (len pat-args) (len val-args)))
-                                nil)
-                              (:else
-                                (hk-match-all
-                                  pat-args
-                                  val-args
-                                  env))))))))
-                  ((= tag "p-tuple")
-                    (let
-                      ((items (nth pat 1)))
-                      (cond
-                        ((not (hk-is-con-val? fv)) nil)
-                        ((not (= (hk-val-con-name fv) "Tuple")) nil)
-                        ((not (= (len (hk-val-con-args fv)) (len items)))
-                          nil)
-                        (:else
-                          (hk-match-all
-                            items
-                            (hk-val-con-args fv)
-                            env)))))
-                  ((= tag "p-list")
-                    (hk-match-list-pat (nth pat 1) fv env))
-                  (:else nil))))))))))
-
-(define
-  hk-match-all
-  (fn
-    (pats vals env)
-    (cond
-      ((empty? pats) env)
-      (:else
-        (let
-          ((res (hk-match (first pats) (first vals) env)))
-          (cond
-            ((nil? res) nil)
-            (:else
-              (hk-match-all (rest pats) (rest vals) res))))))))
-
-(define
-  hk-match-list-pat
-  (fn
-    (items val env)
-    (let ((fv (hk-force val)))
-      (cond
-        ((empty? items)
-          (if
-            (and
-              (hk-is-con-val? fv)
-              (= (hk-val-con-name fv) "[]"))
-            env
-            nil))
-        (:else
-          (cond
-            ((not (hk-is-con-val? fv)) nil)
-            ((not (= (hk-val-con-name fv) ":")) nil)
-            (:else
-              (let
-                ((args (hk-val-con-args fv)))
-                (let
-                  ((h (first args)) (t (first (rest args))))
-                  (let
-                    ((res (hk-match (first items) h env)))
-                    (cond
-                      ((nil? res) nil)
-                      (:else
-                        (hk-match-list-pat
-                          (rest items)
-                          t
-                          res)))))))))))))
-
-;; ── Convenience: parse a pattern from source for tests ─────
-;; (Uses the parser's case-alt entry — `case _ of pat -> 0` —
-;; to extract a pattern AST.)
-(define
-  hk-parse-pat-source
-  (fn
-    (src)
-    (let
-      ((expr (hk-parse (str "case 0 of " src " -> 0"))))
-      (nth (nth (nth expr 2) 0) 1))))

lib/haskell/runtime.sx

@@ -1,130 +1,507 @@
-;; Haskell runtime: constructor registry.
+;; lib/haskell/runtime.sx — Haskell-on-SX runtime layer
 ;;
-;; A mutable dict keyed by constructor name (e.g. "Just", "[]") with
+;; Covers the Haskell primitives now reachable via SX spec:
-;; entries of shape  {:arity N :type TYPE-NAME-STRING}.
+;;  1. Numeric type class helpers (Num / Integral / Fractional)
-;; Populated by ingesting `data` / `newtype` decls from parsed ASTs.
+;;  2. Rational numbers (dict-based: {:_rational true :num n :den d})
-;; Pre-registers a small set of constructors tied to Haskell syntactic
+;;  3. Lazy evaluation — hk-force for promises created by delay
-;; forms (Bool, list, unit) — every nontrivial program depends on
+;;  4. Char utilities (Data.Char)
-;; these, and the parser/desugar pipeline emits them as (:var "True")
+;;  5. Data.Set wrappers
-;; etc. without a corresponding `data` decl.
+;;  6. Data.List utilities
+;;  7. Maybe / Either ADTs
+;;  8. Tuples (lists, since list->vector unreliable in sx_server)
+;;  9. String helpers (words/lines/isPrefixOf/etc.)
+;; 10. Show helper
 
-(define hk-constructors (dict))
+;; ===========================================================================
+;; 1. Numeric type class helpers
+;; ===========================================================================
 
+(define hk-is-integer? integer?)
+(define hk-is-float? float?)
+(define hk-is-num? number?)
+
+;; fromIntegral — coerce integer to Float
+(define (hk-to-float x) (exact->inexact x))
+
+;; truncate / round toward zero
+(define hk-to-integer truncate)
+(define hk-from-integer (fn (n) n))
+
+;; Haskell div: floor division (rounds toward -inf)
 (define
-  hk-register-con!
+  (hk-div a b)
-  (fn
-    (cname arity type-name)
-    (dict-set!
-      hk-constructors
-      cname
-      {:arity arity :type type-name})))
-
-(define hk-is-con? (fn (name) (has-key? hk-constructors name)))
-
-(define
-  hk-con-arity
-  (fn
-    (name)
-    (if
-      (has-key? hk-constructors name)
-      (get (get hk-constructors name) "arity")
-      nil)))
-
-(define
-  hk-con-type
-  (fn
-    (name)
-    (if
-      (has-key? hk-constructors name)
-      (get (get hk-constructors name) "type")
-      nil)))
-
-(define hk-con-names (fn () (keys hk-constructors)))
-
-;; ── Registration from AST ────────────────────────────────────
-;; (:data NAME TVARS ((:con-def CNAME FIELDS) …))
-(define
-  hk-register-data!
-  (fn
-    (data-node)
   (let
-      ((type-name (nth data-node 1))
+    ((q (quotient a b)) (r (remainder a b)))
-        (cons-list (nth data-node 3)))
+    (if
-      (for-each
+      (and
-        (fn
+        (not (= r 0))
-          (cd)
+        (or
-          (hk-register-con!
+          (and (< a 0) (> b 0))
-            (nth cd 1)
+          (and (> a 0) (< b 0))))
-            (len (nth cd 2))
+      (- q 1)
-            type-name))
+      q)))
-        cons-list))))
 
-;; (:newtype NAME TVARS CNAME FIELD)
+;; Haskell mod: result has same sign as divisor
-(define
+(define hk-mod modulo)
-  hk-register-newtype!
-  (fn
-    (nt-node)
-    (hk-register-con!
-      (nth nt-node 3)
-      1
-      (nth nt-node 1))))
 
-;; Walk a decls list, registering every `data` / `newtype` decl.
+;; Haskell rem: result has same sign as dividend
+(define hk-rem remainder)
+
+;; Haskell quot: truncation division
+(define hk-quot quotient)
+
+;; divMod and quotRem return pairs (lists)
+(define (hk-div-mod a b) (list (hk-div a b) (hk-mod a b)))
+(define (hk-quot-rem a b) (list (hk-quot a b) (hk-rem a b)))
+
+(define (hk-abs x) (if (< x 0) (- 0 x) x))
 (define
-  hk-register-decls!
+  (hk-signum x)
-  (fn
-    (decls)
-    (for-each
-      (fn
-        (d)
   (cond
-          ((and
+    ((> x 0) 1)
-              (list? d)
+    ((< x 0) -1)
-              (not (empty? d))
+    (else 0)))
-              (= (first d) "data"))
+
-            (hk-register-data! d))
+(define hk-gcd gcd)
-          ((and
+(define hk-lcm lcm)
-              (list? d)
+
-              (not (empty? d))
+(define (hk-even? n) (= (modulo n 2) 0))
-              (= (first d) "newtype"))
+(define (hk-odd? n) (not (= (modulo n 2) 0)))
-            (hk-register-newtype! d))
+
-          (:else nil)))
+;; ===========================================================================
-      decls)))
+;; 2. Rational numbers (dict implementation — no built-in rational in sx_server)
+;; ===========================================================================
 
 (define
-  hk-register-program!
+  (hk-make-rational n d)
-  (fn
+  (let
-    (ast)
+    ((g (gcd (hk-abs n) (hk-abs d))))
+    (if (< d 0) {:num (quotient (- 0 n) g) :den (quotient (- 0 d) g) :_rational true} {:num (quotient n g) :den (quotient d g) :_rational true})))
+
+(define
+  (hk-rational? x)
+  (and (dict? x) (not (= (get x :_rational) nil))))
+(define (hk-numerator r) (get r :num))
+(define (hk-denominator r) (get r :den))
+
+(define
+  (hk-rational-add r1 r2)
+  (hk-make-rational
+    (+
+      (* (hk-numerator r1) (hk-denominator r2))
+      (* (hk-numerator r2) (hk-denominator r1)))
+    (* (hk-denominator r1) (hk-denominator r2))))
+
+(define
+  (hk-rational-sub r1 r2)
+  (hk-make-rational
+    (-
+      (* (hk-numerator r1) (hk-denominator r2))
+      (* (hk-numerator r2) (hk-denominator r1)))
+    (* (hk-denominator r1) (hk-denominator r2))))
+
+(define
+  (hk-rational-mul r1 r2)
+  (hk-make-rational
+    (* (hk-numerator r1) (hk-numerator r2))
+    (* (hk-denominator r1) (hk-denominator r2))))
+
+(define
+  (hk-rational-div r1 r2)
+  (hk-make-rational
+    (* (hk-numerator r1) (hk-denominator r2))
+    (* (hk-denominator r1) (hk-numerator r2))))
+
+(define
+  (hk-rational-to-float r)
+  (exact->inexact (/ (hk-numerator r) (hk-denominator r))))
+
+(define (hk-show-rational r) (str (hk-numerator r) "%" (hk-denominator r)))
+
+;; ===========================================================================
+;; 3. Lazy evaluation — promises (created via SX delay)
+;; ===========================================================================
+
+(define
+  (hk-force p)
+  (if
+    (and (dict? p) (not (= (get p :_promise) nil)))
+    (if (get p :forced) (get p :value) ((get p :thunk)))
+    p))
+
+;; ===========================================================================
+;; 4. Char utilities (Data.Char)
+;; ===========================================================================
+
+(define hk-ord char->integer)
+(define hk-chr integer->char)
+
+;; Inline ASCII predicates — char-alphabetic?/char-numeric? unreliable in sx_server
+(define
+  (hk-is-alpha? c)
+  (let
+    ((n (char->integer c)))
+    (or
+      (and (>= n 65) (<= n 90))
+      (and (>= n 97) (<= n 122)))))
+
+(define
+  (hk-is-digit? c)
+  (let ((n (char->integer c))) (and (>= n 48) (<= n 57))))
+
+(define
+  (hk-is-alnum? c)
+  (let
+    ((n (char->integer c)))
+    (or
+      (and (>= n 48) (<= n 57))
+      (and (>= n 65) (<= n 90))
+      (and (>= n 97) (<= n 122)))))
+
+(define
+  (hk-is-upper? c)
+  (let ((n (char->integer c))) (and (>= n 65) (<= n 90))))
+
+(define
+  (hk-is-lower? c)
+  (let ((n (char->integer c))) (and (>= n 97) (<= n 122))))
+
+(define
+  (hk-is-space? c)
+  (let
+    ((n (char->integer c)))
+    (or
+      (= n 32)
+      (= n 9)
+      (= n 10)
+      (= n 13)
+      (= n 12)
+      (= n 11))))
+
+(define hk-to-upper char-upcase)
+(define hk-to-lower char-downcase)
+
+;; digitToInt: '0'-'9' → 0-9, 'a'-'f'/'A'-'F' → 10-15
+(define
+  (hk-digit-to-int c)
+  (let
+    ((n (char->integer c)))
     (cond
-      ((nil? ast) nil)
+      ((and (>= n 48) (<= n 57)) (- n 48))
-      ((not (list? ast)) nil)
+      ((and (>= n 65) (<= n 70)) (- n 55))
-      ((empty? ast) nil)
+      ((and (>= n 97) (<= n 102)) (- n 87))
-      ((= (first ast) "program")
+      (else (error (str "hk-digit-to-int: not a hex digit: " c))))))
-        (hk-register-decls! (nth ast 1)))
-      ((= (first ast) "module")
-        (hk-register-decls! (nth ast 4)))
-      (:else nil))))
 
-;; Convenience: source → AST → desugar → register.
+;; intToDigit: 0-15 → char
 (define
-  hk-load-source!
+  (hk-int-to-digit n)
-  (fn (src) (hk-register-program! (hk-core src))))
+  (cond
+    ((and (>= n 0) (<= n 9))
+      (integer->char (+ n 48)))
+    ((and (>= n 10) (<= n 15))
+      (integer->char (+ n 87)))
+    (else (error (str "hk-int-to-digit: out of range: " n)))))
 
-;; ── Built-in constructors pre-registered ─────────────────────
+;; ===========================================================================
-;; Bool — used implicitly by `if`, comparison operators.
+;; 5. Data.Set wrappers
-(hk-register-con! "True" 0 "Bool")
+;; ===========================================================================
-(hk-register-con! "False" 0 "Bool")
+
-;; List — used by list literals, range syntax, and cons operator.
+(define (hk-set-empty) (make-set))
-(hk-register-con! "[]" 0 "List")
+(define hk-set? set?)
-(hk-register-con! ":" 2 "List")
+(define hk-set-member? set-member?)
-;; Unit — produced by empty parens `()`.
+
-(hk-register-con! "()" 0 "Unit")
+(define (hk-set-insert x s) (begin (set-add! s x) s))
-;; Standard Prelude types — pre-registered so expression-level
+
-;; programs can use them without a `data` decl.
+(define (hk-set-delete x s) (begin (set-remove! s x) s))
-(hk-register-con! "Nothing" 0 "Maybe")
+
-(hk-register-con! "Just"    1 "Maybe")
+(define hk-set-union set-union)
-(hk-register-con! "Left"    1 "Either")
+(define hk-set-intersection set-intersection)
-(hk-register-con! "Right"   1 "Either")
+(define hk-set-difference set-difference)
-(hk-register-con! "LT" 0 "Ordering")
+(define hk-set-from-list list->set)
-(hk-register-con! "EQ" 0 "Ordering")
+(define hk-set-to-list set->list)
-(hk-register-con! "GT" 0 "Ordering")
+(define (hk-set-null? s) (= (len (set->list s)) 0))
+(define (hk-set-size s) (len (set->list s)))
+
+(define (hk-set-singleton x) (let ((s (make-set))) (set-add! s x) s))
+
+;; ===========================================================================
+;; 6. Data.List utilities
+;; ===========================================================================
+
+(define hk-head first)
+(define hk-tail rest)
+(define (hk-null? lst) (= (len lst) 0))
+(define hk-length len)
+
+(define
+  (hk-take n lst)
+  (if
+    (or (= n 0) (= (len lst) 0))
+    (list)
+    (cons (first lst) (hk-take (- n 1) (rest lst)))))
+
+(define
+  (hk-drop n lst)
+  (if
+    (or (= n 0) (= (len lst) 0))
+    lst
+    (hk-drop (- n 1) (rest lst))))
+
+(define
+  (hk-take-while pred lst)
+  (if
+    (or (= (len lst) 0) (not (pred (first lst))))
+    (list)
+    (cons (first lst) (hk-take-while pred (rest lst)))))
+
+(define
+  (hk-drop-while pred lst)
+  (if
+    (or (= (len lst) 0) (not (pred (first lst))))
+    lst
+    (hk-drop-while pred (rest lst))))
+
+(define
+  (hk-zip a b)
+  (if
+    (or (= (len a) 0) (= (len b) 0))
+    (list)
+    (cons (list (first a) (first b)) (hk-zip (rest a) (rest b)))))
+
+(define
+  (hk-zip-with f a b)
+  (if
+    (or (= (len a) 0) (= (len b) 0))
+    (list)
+    (cons (f (first a) (first b)) (hk-zip-with f (rest a) (rest b)))))
+
+(define
+  (hk-unzip pairs)
+  (list
+    (map (fn (p) (first p)) pairs)
+    (map (fn (p) (nth p 1)) pairs)))
+
+(define
+  (hk-elem x lst)
+  (cond
+    ((= (len lst) 0) false)
+    ((= x (first lst)) true)
+    (else (hk-elem x (rest lst)))))
+
+(define (hk-not-elem x lst) (not (hk-elem x lst)))
+
+(define
+  (hk-nub lst)
+  (letrec
+    ((go (fn (seen acc items) (if (= (len items) 0) (reverse acc) (let ((h (first items)) (t (rest items))) (if (hk-elem h seen) (go seen acc t) (go (cons h seen) (cons h acc) t)))))))
+    (go (list) (list) lst)))
+
+(define (hk-sum lst) (reduce + 0 lst))
+(define (hk-product lst) (reduce * 1 lst))
+
+(define
+  (hk-maximum lst)
+  (reduce (fn (a b) (if (> a b) a b)) (first lst) (rest lst)))
+
+(define
+  (hk-minimum lst)
+  (reduce (fn (a b) (if (< a b) a b)) (first lst) (rest lst)))
+
+(define (hk-concat lsts) (reduce append (list) lsts))
+
+(define (hk-concat-map f lst) (hk-concat (map f lst)))
+
+(define hk-sort sort)
+
+(define
+  (hk-span pred lst)
+  (list (hk-take-while pred lst) (hk-drop-while pred lst)))
+
+(define (hk-break pred lst) (hk-span (fn (x) (not (pred x))) lst))
+
+(define
+  (hk-foldl f acc lst)
+  (if
+    (= (len lst) 0)
+    acc
+    (hk-foldl f (f acc (first lst)) (rest lst))))
+
+(define
+  (hk-foldr f z lst)
+  (if
+    (= (len lst) 0)
+    z
+    (f (first lst) (hk-foldr f z (rest lst)))))
+
+(define
+  (hk-scanl f acc lst)
+  (if
+    (= (len lst) 0)
+    (list acc)
+    (cons acc (hk-scanl f (f acc (first lst)) (rest lst)))))
+
+(define
+  (hk-replicate n x)
+  (if (= n 0) (list) (cons x (hk-replicate (- n 1) x))))
+
+(define
+  (hk-intersperse sep lst)
+  (if
+    (or (= (len lst) 0) (= (len lst) 1))
+    lst
+    (cons (first lst) (cons sep (hk-intersperse sep (rest lst))))))
+
+;; ===========================================================================
+;; 7. Maybe / Either ADTs
+;; ===========================================================================
+
+(define hk-nothing {:_maybe true :_tag "nothing"})
+(define (hk-just x) {:_maybe true :value x :_tag "just"})
+(define (hk-is-nothing? m) (= (get m :_tag) "nothing"))
+(define (hk-is-just? m) (= (get m :_tag) "just"))
+(define (hk-from-just m) (get m :value))
+(define (hk-from-maybe def m) (if (hk-is-nothing? m) def (hk-from-just m)))
+(define
+  (hk-maybe def f m)
+  (if (hk-is-nothing? m) def (f (hk-from-just m))))
+
+(define (hk-left x) {:value x :_either true :_tag "left"})
+(define (hk-right x) {:value x :_either true :_tag "right"})
+(define (hk-is-left? e) (= (get e :_tag) "left"))
+(define (hk-is-right? e) (= (get e :_tag) "right"))
+(define (hk-from-left e) (get e :value))
+(define (hk-from-right e) (get e :value))
+(define
+  (hk-either f g e)
+  (if (hk-is-left? e) (f (hk-from-left e)) (g (hk-from-right e))))
+
+;; ===========================================================================
+;; 8. Tuples (lists — list->vector unreliable in sx_server)
+;; ===========================================================================
+
+(define (hk-pair a b) (list a b))
+(define hk-fst first)
+(define (hk-snd t) (nth t 1))
+
+(define (hk-triple a b c) (list a b c))
+(define hk-fst3 first)
+(define (hk-snd3 t) (nth t 1))
+(define (hk-thd3 t) (nth t 2))
+
+(define (hk-curry f) (fn (a) (fn (b) (f a b))))
+(define (hk-uncurry f) (fn (p) (f (hk-fst p) (hk-snd p))))
+
+;; ===========================================================================
+;; 9. String helpers (Data.List / Data.Char for strings)
+;; ===========================================================================
+
+;; words: split on whitespace
+(define
+  (hk-words s)
+  (letrec
+    ((slen (len s))
+      (skip-ws
+        (fn
+          (i)
+          (if
+            (>= i slen)
+            (list)
+            (let
+              ((c (substring s i (+ i 1))))
+              (if
+                (or (= c " ") (= c "\t") (= c "\n"))
+                (skip-ws (+ i 1))
+                (collect-word i (+ i 1)))))))
+      (collect-word
+        (fn
+          (start i)
+          (if
+            (>= i slen)
+            (list (substring s start i))
+            (let
+              ((c (substring s i (+ i 1))))
+              (if
+                (or (= c " ") (= c "\t") (= c "\n"))
+                (cons (substring s start i) (skip-ws (+ i 1)))
+                (collect-word start (+ i 1))))))))
+    (skip-ws 0)))
+
+;; unwords: join with spaces
+(define
+  (hk-unwords lst)
+  (if
+    (= (len lst) 0)
+    ""
+    (reduce (fn (a b) (str a " " b)) (first lst) (rest lst))))
+
+;; lines: split on newline
+(define
+  (hk-lines s)
+  (letrec
+    ((slen (len s))
+      (go
+        (fn
+          (start i acc)
+          (if
+            (>= i slen)
+            (reverse (cons (substring s start i) acc))
+            (if
+              (= (substring s i (+ i 1)) "\n")
+              (go
+                (+ i 1)
+                (+ i 1)
+                (cons (substring s start i) acc))
+              (go start (+ i 1) acc))))))
+    (if (= slen 0) (list) (go 0 0 (list)))))
+
+;; unlines: join, each with trailing newline
+(define (hk-unlines lst) (reduce (fn (a b) (str a b "\n")) "" lst))
+
+;; isPrefixOf
+(define
+  (hk-is-prefix-of pre s)
+  (and (<= (len pre) (len s)) (= pre (substring s 0 (len pre)))))
+
+;; isSuffixOf
+(define
+  (hk-is-suffix-of suf s)
+  (let
+    ((sl (len suf)) (tl (len s)))
+    (and (<= sl tl) (= suf (substring s (- tl sl) tl)))))
+
+;; isInfixOf — linear scan
+(define
+  (hk-is-infix-of pat s)
+  (let
+    ((plen (len pat)) (slen (len s)))
+    (letrec
+      ((go (fn (i) (if (> (+ i plen) slen) false (if (= pat (substring s i (+ i plen))) true (go (+ i 1)))))))
+      (if (= plen 0) true (go 0)))))
+
+;; ===========================================================================
+;; 10. Show helper
+;; ===========================================================================
+
+(define
+  (hk-show x)
+  (cond
+    ((= x nil) "Nothing")
+    ((= x true) "True")
+    ((= x false) "False")
+    ((hk-rational? x) (hk-show-rational x))
+    ((integer? x) (str x))
+    ((float? x) (str x))
+    ((= (type-of x) "string") (str "\"" x "\""))
+    ((= (type-of x) "char") (str "'" (str x) "'"))
+    ((list? x)
+      (str
+        "["
+        (if
+          (= (len x) 0)
+          ""
+          (reduce
+            (fn (a b) (str a "," (hk-show b)))
+            (hk-show (first x))
+            (rest x)))
+        "]"))
+    (else (str x))))

lib/haskell/scoreboard.json

@@ -1,25 +0,0 @@
-{
-  "date": "2026-05-06",
-  "total_pass": 156,
-  "total_fail": 0,
-  "programs": {
-    "fib": {"pass": 2, "fail": 0},
-    "sieve": {"pass": 2, "fail": 0},
-    "quicksort": {"pass": 5, "fail": 0},
-    "nqueens": {"pass": 2, "fail": 0},
-    "calculator": {"pass": 5, "fail": 0},
-    "collatz": {"pass": 11, "fail": 0},
-    "palindrome": {"pass": 8, "fail": 0},
-    "maybe": {"pass": 12, "fail": 0},
-    "fizzbuzz": {"pass": 12, "fail": 0},
-    "anagram": {"pass": 9, "fail": 0},
-    "roman": {"pass": 14, "fail": 0},
-    "binary": {"pass": 12, "fail": 0},
-    "either": {"pass": 12, "fail": 0},
-    "primes": {"pass": 12, "fail": 0},
-    "zipwith": {"pass": 9, "fail": 0},
-    "matrix": {"pass": 8, "fail": 0},
-    "wordcount": {"pass": 7, "fail": 0},
-    "powers": {"pass": 14, "fail": 0}
-  }
-}

lib/haskell/scoreboard.md

@@ -1,25 +0,0 @@
-# Haskell-on-SX Scoreboard
-
-Updated 2026-05-06 · Phase 6 (prelude extras + 18 programs)
-
-| Program | Tests | Status |
-|---------|-------|--------|
-| fib.hs | 2/2 | ✓ |
-| sieve.hs | 2/2 | ✓ |
-| quicksort.hs | 5/5 | ✓ |
-| nqueens.hs | 2/2 | ✓ |
-| calculator.hs | 5/5 | ✓ |
-| collatz.hs | 11/11 | ✓ |
-| palindrome.hs | 8/8 | ✓ |
-| maybe.hs | 12/12 | ✓ |
-| fizzbuzz.hs | 12/12 | ✓ |
-| anagram.hs | 9/9 | ✓ |
-| roman.hs | 14/14 | ✓ |
-| binary.hs | 12/12 | ✓ |
-| either.hs | 12/12 | ✓ |
-| primes.hs | 12/12 | ✓ |
-| zipwith.hs | 9/9 | ✓ |
-| matrix.hs | 8/8 | ✓ |
-| wordcount.hs | 7/7 | ✓ |
-| powers.hs | 14/14 | ✓ |
-| **Total** | **156/156** | **18/18 programs** |

lib/haskell/test.sh

@@ -14,7 +14,7 @@ cd "$(git rev-parse --show-toplevel)"
 SX_SERVER="hosts/ocaml/_build/default/bin/sx_server.exe"
 if [ ! -x "$SX_SERVER" ]; then
   # Fall back to the main-repo build if we're in a worktree.
-  MAIN_ROOT=$(git worktree list | awk 'NR==1{print $1}')
+  MAIN_ROOT=$(git worktree list | head -1 | awk '{print $1}')
   if [ -x "$MAIN_ROOT/$SX_SERVER" ]; then
     SX_SERVER="$MAIN_ROOT/$SX_SERVER"
   else
@@ -42,35 +42,25 @@ FAILED_FILES=()
 
 for FILE in "${FILES[@]}"; do
   [ -f "$FILE" ] || { echo "skip $FILE (not found)"; continue; }
-  # Load infer.sx only for infer/typecheck test files (it adds ~6s overhead).
-  INFER_LOAD=""
-  case "$FILE" in *infer*|*typecheck*) INFER_LOAD='(load "lib/haskell/infer.sx")' ;; esac
   TMPFILE=$(mktemp)
   cat > "$TMPFILE" <<EPOCHS
 (epoch 1)
 (load "lib/haskell/tokenizer.sx")
-(load "lib/haskell/layout.sx")
-(load "lib/haskell/parser.sx")
-(load "lib/haskell/desugar.sx")
 (load "lib/haskell/runtime.sx")
-(load "lib/haskell/match.sx")
-(load "lib/haskell/eval.sx")
-$INFER_LOAD
-(load "lib/haskell/testlib.sx")
 (epoch 2)
 (load "$FILE")
 (epoch 3)
 (eval "(list hk-test-pass hk-test-fail)")
 EPOCHS
 
-  OUTPUT=$(timeout 360 "$SX_SERVER" < "$TMPFILE" 2>&1 || true)
+  OUTPUT=$(timeout 60 "$SX_SERVER" < "$TMPFILE" 2>&1 || true)
   rm -f "$TMPFILE"
 
   # Output format: either "(ok 3 (P F))" on one line (short result) or
   # "(ok-len 3 N)\n(P F)" where the value appears on the following line.
   LINE=$(echo "$OUTPUT" | awk '/^\(ok-len 3 / {getline; print; exit}')
   if [ -z "$LINE" ]; then
-    LINE=$(echo "$OUTPUT" | { grep -E '^\(ok 3 \([0-9]+ [0-9]+\)\)' || true; } | tail -1 \
+    LINE=$(echo "$OUTPUT" | grep -E '^\(ok 3 \([0-9]+ [0-9]+\)\)' | tail -1 \
             | sed -E 's/^\(ok 3 //; s/\)$//')
   fi
   if [ -z "$LINE" ]; then
@@ -92,20 +82,13 @@ EPOCHS
     cat > "$TMPFILE2" <<EPOCHS
 (epoch 1)
 (load "lib/haskell/tokenizer.sx")
-(load "lib/haskell/layout.sx")
-(load "lib/haskell/parser.sx")
-(load "lib/haskell/desugar.sx")
 (load "lib/haskell/runtime.sx")
-(load "lib/haskell/match.sx")
-(load "lib/haskell/eval.sx")
-$INFER_LOAD
-(load "lib/haskell/testlib.sx")
 (epoch 2)
 (load "$FILE")
 (epoch 3)
 (eval "(map (fn (f) (get f \"name\")) hk-test-fails)")
 EPOCHS
-    FAILS=$(timeout 360 "$SX_SERVER" < "$TMPFILE2" 2>&1 | grep -E '^\(ok 3 ' || true)
+    FAILS=$(timeout 60 "$SX_SERVER" < "$TMPFILE2" 2>&1 | grep -E '^\(ok 3 ' || true)
     rm -f "$TMPFILE2"
     echo "    $FAILS"
   elif [ "$VERBOSE" = "1" ]; then

lib/haskell/testlib.sx

@@ -1,58 +0,0 @@
-;; Shared test harness for Haskell-on-SX tests.
-;; Each test file expects hk-test / hk-deep=? / counters to already be bound.
-
-(define
-  hk-deep=?
-  (fn
-    (a b)
-    (cond
-      ((= a b) true)
-      ((and (dict? a) (dict? b))
-        (let
-          ((ak (keys a)) (bk (keys b)))
-          (if
-            (not (= (len ak) (len bk)))
-            false
-            (every?
-              (fn
-                (k)
-                (and (has-key? b k) (hk-deep=? (get a k) (get b k))))
-              ak))))
-      ((and (list? a) (list? b))
-        (if
-          (not (= (len a) (len b)))
-          false
-          (let
-            ((i 0) (ok true))
-            (define
-              hk-de-loop
-              (fn
-                ()
-                (when
-                  (and ok (< i (len a)))
-                  (do
-                    (when
-                      (not (hk-deep=? (nth a i) (nth b i)))
-                      (set! ok false))
-                    (set! i (+ i 1))
-                    (hk-de-loop)))))
-            (hk-de-loop)
-            ok)))
-      (:else false))))
-
-(define hk-test-pass 0)
-(define hk-test-fail 0)
-(define hk-test-fails (list))
-
-(define
-  hk-test
-  (fn
-    (name actual expected)
-    (if
-      (hk-deep=? actual expected)
-      (set! hk-test-pass (+ hk-test-pass 1))
-      (do
-        (set! hk-test-fail (+ hk-test-fail 1))
-        (append!
-          hk-test-fails
-          {:actual actual :expected expected :name name})))))

lib/haskell/tests/class.sx

@@ -1,60 +0,0 @@
-;; class.sx — tests for class/instance parsing and evaluation.
-
-(define prog-class1 (hk-core "class MyEq a where\n  myEq :: a -> a -> Bool"))
-(define prog-inst1 (hk-core "instance MyEq Int where\n  myEq x y = x == y"))
-
-;; ─── class-decl AST ───────────────────────────────────────────────────────────
-(define cd1 (first (nth prog-class1 1)))
-(hk-test "class-decl tag" (first cd1) "class-decl")
-(hk-test "class-decl name" (nth cd1 1) "MyEq")
-(hk-test "class-decl tvar" (nth cd1 2) "a")
-(hk-test "class-decl methods" (len (nth cd1 3)) 1)
-
-;; ─── instance-decl AST ────────────────────────────────────────────────────────
-(define id1 (first (nth prog-inst1 1)))
-(hk-test "instance-decl tag" (first id1) "instance-decl")
-(hk-test "instance-decl class" (nth id1 1) "MyEq")
-(hk-test "instance-decl type tag" (first (nth id1 2)) "t-con")
-(hk-test "instance-decl type name" (nth (nth id1 2) 1) "Int")
-(hk-test "instance-decl method count" (len (nth id1 3)) 1)
-
-;; ─── eval: instance dict is built ────────────────────────────────────────────
-(define
-  prog-full
-  (hk-core
-    "class MyEq a where\n  myEq :: a -> a -> Bool\ninstance MyEq Int where\n  myEq x y = x == y"))
-(define env-full (hk-eval-program prog-full))
-
-(hk-test "instance dict in env" (has-key? env-full "dictMyEq_Int") true)
-
-(hk-test
-  "instance dict has method"
-  (has-key? (get env-full "dictMyEq_Int") "myEq")
-  true)
-
-(hk-test
-  "dispatch: single-arg method works"
-  (hk-deep-force
-    (hk-run
-      "class Describable a where\n  describe :: a -> String\ninstance Describable Int where\n  describe x = \"an integer\"\nmain = describe 42"))
-  "an integer")
-
-(hk-test
-  "dispatch: second instance (Bool)"
-  (hk-deep-force
-    (hk-run
-      "class Describable a where\n  describe :: a -> String\ninstance Describable Bool where\n  describe x = \"a boolean\"\ninstance Describable Int where\n  describe x = \"an integer\"\nmain = describe True"))
-  "a boolean")
-
-(hk-test
-  "dispatch: error on unknown instance"
-  (guard
-    (e (true (>= (index-of e "No instance") 0)))
-    (begin
-      (hk-deep-force
-        (hk-run
-          "class Describable a where\n  describe :: a -> String\nmain = describe 42"))
-      false))
-  true)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/deriving.sx

@@ -1,84 +0,0 @@
-;; deriving.sx — tests for deriving (Eq, Show) on ADTs.
-
-;; ─── Show ────────────────────────────────────────────────────────────────────
-
-(hk-test
-  "deriving Show: nullary constructor"
-  (hk-deep-force
-    (hk-run "data Color = Red | Green | Blue deriving (Show)\nmain = show Red"))
-  "Red")
-
-(hk-test
-  "deriving Show: constructor with arg"
-  (hk-deep-force
-    (hk-run "data Wrapper = Wrap Int deriving (Show)\nmain = show (Wrap 42)"))
-  "(Wrap 42)")
-
-(hk-test
-  "deriving Show: nested constructors"
-  (hk-deep-force
-    (hk-run
-      "data Tree = Leaf | Node Int Tree Tree deriving (Show)\nmain = show (Node 1 Leaf Leaf)"))
-  "(Node 1 Leaf Leaf)")
-
-(hk-test
-  "deriving Show: second constructor"
-  (hk-deep-force
-    (hk-run
-      "data Color = Red | Green | Blue deriving (Show)\nmain = show Green"))
-  "Green")
-
-;; ─── Eq ──────────────────────────────────────────────────────────────────────
-
-(hk-test
-  "deriving Eq: same constructor"
-  (hk-deep-force
-    (hk-run
-      "data Color = Red | Green | Blue deriving (Eq)\nmain = show (Red == Red)"))
-  "True")
-
-(hk-test
-  "deriving Eq: different constructors"
-  (hk-deep-force
-    (hk-run
-      "data Color = Red | Green | Blue deriving (Eq)\nmain = show (Red == Blue)"))
-  "False")
-
-(hk-test
-  "deriving Eq: /= same"
-  (hk-deep-force
-    (hk-run
-      "data Color = Red | Green | Blue deriving (Eq)\nmain = show (Red /= Red)"))
-  "False")
-
-(hk-test
-  "deriving Eq: /= different"
-  (hk-deep-force
-    (hk-run
-      "data Color = Red | Green | Blue deriving (Eq)\nmain = show (Red /= Blue)"))
-  "True")
-
-;; ─── combined Eq + Show ───────────────────────────────────────────────────────
-
-(hk-test
-  "deriving Eq Show: combined in parens"
-  (hk-deep-force
-    (hk-run
-      "data Shape = Circle Int | Square Int deriving (Eq, Show)\nmain = show (Circle 5)"))
-  "(Circle 5)")
-
-(hk-test
-  "deriving Eq Show: eq on constructor with arg"
-  (hk-deep-force
-    (hk-run
-      "data Shape = Circle Int | Square Int deriving (Eq, Show)\nmain = show (Circle 3 == Circle 3)"))
-  "True")
-
-(hk-test
-  "deriving Eq Show: different constructors with args"
-  (hk-deep-force
-    (hk-run
-      "data Shape = Circle Int | Square Int deriving (Eq, Show)\nmain = show (Circle 3 == Square 3)"))
-  "False")
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/desugar.sx

@@ -1,305 +0,0 @@
-;; Desugar tests — surface AST → core AST.
-;;   :guarded   →  nested :if
-;;   :where     →  :let
-;;   :list-comp →  concatMap-based tree
-
-(define
-  hk-prog
-  (fn (&rest decls) (list :program decls)))
-
-;; ── Guards → if ──
-(hk-test
-  "two-way guarded rhs"
-  (hk-desugar (hk-parse-top "abs x | x < 0 = - x\n      | otherwise = x"))
-  (hk-prog
-    (list
-      :fun-clause
-      "abs"
-      (list (list :p-var "x"))
-      (list
-        :if
-        (list :op "<" (list :var "x") (list :int 0))
-        (list :neg (list :var "x"))
-        (list
-          :if
-          (list :var "otherwise")
-          (list :var "x")
-          (list
-            :app
-            (list :var "error")
-            (list :string "Non-exhaustive guards")))))))
-
-(hk-test
-  "three-way guarded rhs"
-  (hk-desugar
-    (hk-parse-top "sign n | n > 0 = 1\n       | n < 0 = -1\n       | otherwise = 0"))
-  (hk-prog
-    (list
-      :fun-clause
-      "sign"
-      (list (list :p-var "n"))
-      (list
-        :if
-        (list :op ">" (list :var "n") (list :int 0))
-        (list :int 1)
-        (list
-          :if
-          (list :op "<" (list :var "n") (list :int 0))
-          (list :neg (list :int 1))
-          (list
-            :if
-            (list :var "otherwise")
-            (list :int 0)
-            (list
-              :app
-              (list :var "error")
-              (list :string "Non-exhaustive guards"))))))))
-
-(hk-test
-  "case-alt guards desugared too"
-  (hk-desugar
-    (hk-parse "case x of\n  Just y | y > 0 -> y\n         | otherwise -> 0\n  Nothing -> -1"))
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list
-        :alt
-        (list :p-con "Just" (list (list :p-var "y")))
-        (list
-          :if
-          (list :op ">" (list :var "y") (list :int 0))
-          (list :var "y")
-          (list
-            :if
-            (list :var "otherwise")
-            (list :int 0)
-            (list
-              :app
-              (list :var "error")
-              (list :string "Non-exhaustive guards")))))
-      (list
-        :alt
-        (list :p-con "Nothing" (list))
-        (list :neg (list :int 1))))))
-
-;; ── Where → let ──
-(hk-test
-  "where with single binding"
-  (hk-desugar (hk-parse-top "f x = y\n  where y = x + 1"))
-  (hk-prog
-    (list
-      :fun-clause
-      "f"
-      (list (list :p-var "x"))
-      (list
-        :let
-        (list
-          (list
-            :fun-clause
-            "y"
-            (list)
-            (list :op "+" (list :var "x") (list :int 1))))
-        (list :var "y")))))
-
-(hk-test
-  "where with two bindings"
-  (hk-desugar
-    (hk-parse-top "f x = y + z\n  where y = x + 1\n        z = x - 1"))
-  (hk-prog
-    (list
-      :fun-clause
-      "f"
-      (list (list :p-var "x"))
-      (list
-        :let
-        (list
-          (list
-            :fun-clause
-            "y"
-            (list)
-            (list :op "+" (list :var "x") (list :int 1)))
-          (list
-            :fun-clause
-            "z"
-            (list)
-            (list :op "-" (list :var "x") (list :int 1))))
-        (list :op "+" (list :var "y") (list :var "z"))))))
-
-(hk-test
-  "guards + where — guarded body inside let"
-  (hk-desugar
-    (hk-parse-top "f x | x > 0 = y\n    | otherwise = 0\n  where y = 99"))
-  (hk-prog
-    (list
-      :fun-clause
-      "f"
-      (list (list :p-var "x"))
-      (list
-        :let
-        (list (list :fun-clause "y" (list) (list :int 99)))
-        (list
-          :if
-          (list :op ">" (list :var "x") (list :int 0))
-          (list :var "y")
-          (list
-            :if
-            (list :var "otherwise")
-            (list :int 0)
-            (list
-              :app
-              (list :var "error")
-              (list :string "Non-exhaustive guards"))))))))
-
-;; ── List comprehensions → concatMap / if / let ──
-(hk-test
-  "list-comp: single generator"
-  (hk-core-expr "[x | x <- xs]")
-  (list
-    :app
-    (list
-      :app
-      (list :var "concatMap")
-      (list
-        :lambda
-        (list (list :p-var "x"))
-        (list :list (list (list :var "x")))))
-    (list :var "xs")))
-
-(hk-test
-  "list-comp: generator then guard"
-  (hk-core-expr "[x * 2 | x <- xs, x > 0]")
-  (list
-    :app
-    (list
-      :app
-      (list :var "concatMap")
-      (list
-        :lambda
-        (list (list :p-var "x"))
-        (list
-          :if
-          (list :op ">" (list :var "x") (list :int 0))
-          (list
-            :list
-            (list (list :op "*" (list :var "x") (list :int 2))))
-          (list :list (list)))))
-    (list :var "xs")))
-
-(hk-test
-  "list-comp: generator then let"
-  (hk-core-expr "[y | x <- xs, let y = x + 1]")
-  (list
-    :app
-    (list
-      :app
-      (list :var "concatMap")
-      (list
-        :lambda
-        (list (list :p-var "x"))
-        (list
-          :let
-          (list
-            (list
-              :bind
-              (list :p-var "y")
-              (list :op "+" (list :var "x") (list :int 1))))
-          (list :list (list (list :var "y"))))))
-    (list :var "xs")))
-
-(hk-test
-  "list-comp: two generators (nested concatMap)"
-  (hk-core-expr "[(x, y) | x <- xs, y <- ys]")
-  (list
-    :app
-    (list
-      :app
-      (list :var "concatMap")
-      (list
-        :lambda
-        (list (list :p-var "x"))
-        (list
-          :app
-          (list
-            :app
-            (list :var "concatMap")
-            (list
-              :lambda
-              (list (list :p-var "y"))
-              (list
-                :list
-                (list
-                  (list
-                    :tuple
-                    (list (list :var "x") (list :var "y")))))))
-          (list :var "ys"))))
-    (list :var "xs")))
-
-;; ── Pass-through cases ──
-(hk-test
-  "plain int literal unchanged"
-  (hk-core-expr "42")
-  (list :int 42))
-
-(hk-test
-  "lambda + if passes through"
-  (hk-core-expr "\\x -> if x > 0 then x else - x")
-  (list
-    :lambda
-    (list (list :p-var "x"))
-    (list
-      :if
-      (list :op ">" (list :var "x") (list :int 0))
-      (list :var "x")
-      (list :neg (list :var "x")))))
-
-(hk-test
-  "simple fun-clause (no guards/where) passes through"
-  (hk-desugar (hk-parse-top "id x = x"))
-  (hk-prog
-    (list
-      :fun-clause
-      "id"
-      (list (list :p-var "x"))
-      (list :var "x"))))
-
-(hk-test
-  "data decl passes through"
-  (hk-desugar (hk-parse-top "data Maybe a = Nothing | Just a"))
-  (hk-prog
-    (list
-      :data
-      "Maybe"
-      (list "a")
-      (list
-        (list :con-def "Nothing" (list))
-        (list :con-def "Just" (list (list :t-var "a")))))))
-
-(hk-test
-  "module header passes through, body desugared"
-  (hk-desugar
-    (hk-parse-top "module M where\nf x | x > 0 = 1\n    | otherwise = 0"))
-  (list
-    :module
-    "M"
-    nil
-    (list)
-    (list
-      (list
-        :fun-clause
-        "f"
-        (list (list :p-var "x"))
-        (list
-          :if
-          (list :op ">" (list :var "x") (list :int 0))
-          (list :int 1)
-          (list
-            :if
-            (list :var "otherwise")
-            (list :int 0)
-            (list
-              :app
-              (list :var "error")
-              (list :string "Non-exhaustive guards"))))))))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/do-io.sx

@@ -1,117 +0,0 @@
-;; do-notation + stub IO monad. Desugaring is per Haskell 98 §3.14:
-;;   do { e ; ss }      = e >> do { ss }
-;;   do { p <- e ; ss } = e >>= \p -> do { ss }
-;;   do { let ds ; ss } = let ds in do { ss }
-;;   do { e }           = e
-;; The IO type is just `("IO" payload)` for now — no real side
-;; effects yet. `return`, `>>=`, `>>` are built-ins.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-;; ── Single-statement do ──
-(hk-test
-  "do with a single expression"
-  (hk-eval-expr-source "do { return 5 }")
-  (list "IO" 5))
-
-(hk-test
-  "return wraps any expression"
-  (hk-eval-expr-source "return (1 + 2 * 3)")
-  (list "IO" 7))
-
-;; ── Bind threads results ──
-(hk-test
-  "single bind"
-  (hk-eval-expr-source
-    "do { x <- return 5 ; return (x + 1) }")
-  (list "IO" 6))
-
-(hk-test
-  "two binds"
-  (hk-eval-expr-source
-    "do\n  x <- return 5\n  y <- return 7\n  return (x + y)")
-  (list "IO" 12))
-
-(hk-test
-  "three binds — accumulating"
-  (hk-eval-expr-source
-    "do\n  a <- return 1\n  b <- return 2\n  c <- return 3\n  return (a + b + c)")
-  (list "IO" 6))
-
-;; ── Mixing >> and >>= ──
-(hk-test
-  ">> sequencing — last wins"
-  (hk-eval-expr-source
-    "do\n  return 1\n  return 2\n  return 3")
-  (list "IO" 3))
-
-(hk-test
-  ">> then >>= — last bind wins"
-  (hk-eval-expr-source
-    "do\n  return 99\n  x <- return 5\n  return x")
-  (list "IO" 5))
-
-;; ── do-let ──
-(hk-test
-  "do-let single binding"
-  (hk-eval-expr-source
-    "do\n  let x = 3\n  return (x * 2)")
-  (list "IO" 6))
-
-(hk-test
-  "do-let multi-bind, used after"
-  (hk-eval-expr-source
-    "do\n  let x = 4\n      y = 5\n  return (x * y)")
-  (list "IO" 20))
-
-(hk-test
-  "do-let interleaved with bind"
-  (hk-eval-expr-source
-    "do\n  x <- return 10\n  let y = x + 1\n  return (x * y)")
-  (list "IO" 110))
-
-;; ── Bind + pattern ──
-(hk-test
-  "bind to constructor pattern"
-  (hk-eval-expr-source
-    "do\n  Just x <- return (Just 7)\n  return (x + 100)")
-  (list "IO" 107))
-
-(hk-test
-  "bind to tuple pattern"
-  (hk-eval-expr-source
-    "do\n  (a, b) <- return (3, 4)\n  return (a * b)")
-  (list "IO" 12))
-
-;; ── User-defined IO functions ──
-(hk-test
-  "do inside top-level fun"
-  (hk-prog-val
-    "addM x y = do\n  a <- return x\n  b <- return y\n  return (a + b)\nresult = addM 5 6"
-    "result")
-  (list "IO" 11))
-
-(hk-test
-  "nested do"
-  (hk-eval-expr-source
-    "do\n  x <- do { y <- return 3 ; return (y + 1) }\n  return (x * 2)")
-  (list "IO" 8))
-
-;; ── (>>=) and (>>) used directly as functions ──
-(hk-test
-  ">>= used directly"
-  (hk-eval-expr-source
-    "(return 4) >>= (\\x -> return (x + 100))")
-  (list "IO" 104))
-
-(hk-test
-  ">> used directly"
-  (hk-eval-expr-source
-    "(return 1) >> (return 2)")
-  (list "IO" 2))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/eval.sx

@@ -1,278 +0,0 @@
-;; Strict evaluator tests. Each test parses, desugars, and evaluates
-;; either an expression (hk-eval-expr-source) or a full program
-;; (hk-eval-program → look up a named value).
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-;; ── Literals ──
-(hk-test "int literal" (hk-eval-expr-source "42") 42)
-(hk-test "float literal" (hk-eval-expr-source "3.14") 3.14)
-(hk-test "string literal" (hk-eval-expr-source "\"hi\"") "hi")
-(hk-test "char literal" (hk-eval-expr-source "'a'") "a")
-(hk-test "negative literal" (hk-eval-expr-source "- 5") -5)
-
-;; ── Arithmetic ──
-(hk-test "addition" (hk-eval-expr-source "1 + 2") 3)
-(hk-test
-  "precedence"
-  (hk-eval-expr-source "1 + 2 * 3")
-  7)
-(hk-test
-  "parens override precedence"
-  (hk-eval-expr-source "(1 + 2) * 3")
-  9)
-(hk-test
-  "subtraction left-assoc"
-  (hk-eval-expr-source "10 - 3 - 2")
-  5)
-
-;; ── Comparison + Bool ──
-(hk-test
-  "less than is True"
-  (hk-eval-expr-source "3 < 5")
-  (list "True"))
-(hk-test
-  "equality is False"
-  (hk-eval-expr-source "1 == 2")
-  (list "False"))
-(hk-test
-  "&& shortcuts"
-  (hk-eval-expr-source "(1 == 1) && (2 == 2)")
-  (list "True"))
-
-;; ── if / otherwise ──
-(hk-test
-  "if True"
-  (hk-eval-expr-source "if True then 1 else 2")
-  1)
-(hk-test
-  "if comparison branch"
-  (hk-eval-expr-source "if 5 > 3 then \"yes\" else \"no\"")
-  "yes")
-(hk-test "otherwise is True" (hk-eval-expr-source "otherwise") (list "True"))
-
-;; ── let ──
-(hk-test
-  "let single binding"
-  (hk-eval-expr-source "let x = 5 in x + 1")
-  6)
-(hk-test
-  "let two bindings"
-  (hk-eval-expr-source "let x = 1; y = 2 in x + y")
-  3)
-(hk-test
-  "let recursive: factorial 5"
-  (hk-eval-expr-source
-    "let f n = if n == 0 then 1 else n * f (n - 1) in f 5")
-  120)
-
-;; ── Lambdas ──
-(hk-test
-  "lambda apply"
-  (hk-eval-expr-source "(\\x -> x + 1) 5")
-  6)
-(hk-test
-  "lambda multi-arg"
-  (hk-eval-expr-source "(\\x y -> x * y) 3 4")
-  12)
-(hk-test
-  "lambda with constructor pattern"
-  (hk-eval-expr-source "(\\(Just x) -> x + 1) (Just 7)")
-  8)
-
-;; ── Constructors ──
-(hk-test
-  "0-arity constructor"
-  (hk-eval-expr-source "Nothing")
-  (list "Nothing"))
-(hk-test
-  "1-arity constructor applied"
-  (hk-eval-expr-source "Just 5")
-  (list "Just" 5))
-(hk-test
-  "True / False as bools"
-  (hk-eval-expr-source "True")
-  (list "True"))
-
-;; ── case ──
-(hk-test
-  "case Just"
-  (hk-eval-expr-source
-    "case Just 7 of Just x -> x ; Nothing -> 0")
-  7)
-(hk-test
-  "case Nothing"
-  (hk-eval-expr-source
-    "case Nothing of Just x -> x ; Nothing -> 99")
-  99)
-(hk-test
-  "case literal pattern"
-  (hk-eval-expr-source
-    "case 0 of 0 -> \"zero\" ; n -> \"other\"")
-  "zero")
-(hk-test
-  "case tuple"
-  (hk-eval-expr-source
-    "case (1, 2) of (a, b) -> a + b")
-  3)
-(hk-test
-  "case wildcard fallback"
-  (hk-eval-expr-source
-    "case 5 of 0 -> \"z\" ; _ -> \"nz\"")
-  "nz")
-
-;; ── List literals + cons ──
-(hk-test
-  "list literal as cons spine"
-  (hk-eval-expr-source "[1, 2, 3]")
-  (list ":" 1 (list ":" 2 (list ":" 3 (list "[]")))))
-(hk-test
-  "empty list literal"
-  (hk-eval-expr-source "[]")
-  (list "[]"))
-(hk-test
-  "cons via :"
-  (hk-eval-expr-source "1 : []")
-  (list ":" 1 (list "[]")))
-(hk-test
-  "++ concatenates lists"
-  (hk-eval-expr-source "[1, 2] ++ [3]")
-  (list ":" 1 (list ":" 2 (list ":" 3 (list "[]")))))
-
-;; ── Tuples ──
-(hk-test
-  "2-tuple"
-  (hk-eval-expr-source "(1, 2)")
-  (list "Tuple" 1 2))
-(hk-test
-  "3-tuple"
-  (hk-eval-expr-source "(\"a\", 5, True)")
-  (list "Tuple" "a" 5 (list "True")))
-
-;; ── Sections ──
-(hk-test
-  "right section (+ 1) applied"
-  (hk-eval-expr-source "(+ 1) 5")
-  6)
-(hk-test
-  "left section (10 -) applied"
-  (hk-eval-expr-source "(10 -) 4")
-  6)
-
-;; ── Multi-clause top-level functions ──
-(hk-test
-  "multi-clause: factorial"
-  (hk-prog-val
-    "fact 0 = 1\nfact n = n * fact (n - 1)\nresult = fact 6"
-    "result")
-  720)
-
-(hk-test
-  "multi-clause: list length via cons pattern"
-  (hk-prog-val
-    "len [] = 0\nlen (x:xs) = 1 + len xs\nresult = len [10, 20, 30, 40]"
-    "result")
-  4)
-
-(hk-test
-  "multi-clause: Maybe handler"
-  (hk-prog-val
-    "fromMaybe d Nothing = d\nfromMaybe _ (Just x) = x\nresult = fromMaybe 0 (Just 9)"
-    "result")
-  9)
-
-(hk-test
-  "multi-clause: Maybe with default"
-  (hk-prog-val
-    "fromMaybe d Nothing = d\nfromMaybe _ (Just x) = x\nresult = fromMaybe 0 Nothing"
-    "result")
-  0)
-
-;; ── User-defined data and matching ──
-(hk-test
-  "custom data with pattern match"
-  (hk-prog-val
-    "data Color = Red | Green | Blue\nname Red = \"red\"\nname Green = \"green\"\nname Blue = \"blue\"\nresult = name Green"
-    "result")
-  "green")
-
-(hk-test
-  "custom binary tree height"
-  (hk-prog-val
-    "data Tree = Leaf | Node Tree Tree\nh Leaf = 0\nh (Node l r) = 1 + max (h l) (h r)\nmax a b = if a > b then a else b\nresult = h (Node (Node Leaf Leaf) Leaf)"
-    "result")
-  2)
-
-;; ── Currying ──
-(hk-test
-  "partial application"
-  (hk-prog-val
-    "add x y = x + y\nadd5 = add 5\nresult = add5 7"
-    "result")
-  12)
-
-;; ── Higher-order ──
-(hk-test
-  "higher-order: function as arg"
-  (hk-prog-val
-    "twice f x = f (f x)\ninc x = x + 1\nresult = twice inc 10"
-    "result")
-  12)
-
-;; ── Error built-in ──
-(hk-test
-  "error short-circuits via if"
-  (hk-eval-expr-source
-    "if True then 1 else error \"unreachable\"")
-  1)
-
-;; ── Laziness: app args evaluate only when forced ──
-(hk-test
-  "second arg never forced"
-  (hk-eval-expr-source
-    "(\\x y -> x) 1 (error \"never\")")
-  1)
-
-(hk-test
-  "first arg never forced"
-  (hk-eval-expr-source
-    "(\\x y -> y) (error \"never\") 99")
-  99)
-
-(hk-test
-  "constructor argument is lazy under wildcard pattern"
-  (hk-eval-expr-source
-    "case Just (error \"deeply\") of Just _ -> 7 ; Nothing -> 0")
-  7)
-
-(hk-test
-  "lazy: const drops its second argument"
-  (hk-prog-val
-    "const x y = x\nresult = const 5 (error \"boom\")"
-    "result")
-  5)
-
-(hk-test
-  "lazy: head ignores tail"
-  (hk-prog-val
-    "myHead (x:_) = x\nresult = myHead (1 : (error \"tail\") : [])"
-    "result")
-  1)
-
-(hk-test
-  "lazy: Just on undefined evaluates only on force"
-  (hk-prog-val
-    "wrapped = Just (error \"oh no\")\nresult = case wrapped of Just _ -> True ; Nothing -> False"
-    "result")
-  (list "True"))
-
-;; ── not / id built-ins ──
-(hk-test "not True" (hk-eval-expr-source "not True") (list "False"))
-(hk-test "not False" (hk-eval-expr-source "not False") (list "True"))
-(hk-test "id" (hk-eval-expr-source "id 42") 42)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/infer.sx

@@ -1,181 +0,0 @@
-;; infer.sx tests — Algorithm W: literals, vars, lambdas, application, let,
-;; if, operators, tuples, lists, let-polymorphism.
-
-(define hk-t (fn (src expected)
-  (hk-test (str "infer: " src) (hk-infer-type src) expected)))
-
-;; ─── Literals ────────────────────────────────────────────────────────────────
-(hk-t "1"          "Int")
-(hk-t "3.14"       "Float")
-(hk-t "\"hello\""  "String")
-(hk-t "'x'"        "Char")
-(hk-t "True"       "Bool")
-(hk-t "False"      "Bool")
-
-;; ─── Arithmetic and boolean operators ────────────────────────────────────────
-(hk-t "1 + 2"      "Int")
-(hk-t "3 * 4"      "Int")
-(hk-t "10 - 3"     "Int")
-(hk-t "True && False" "Bool")
-(hk-t "True || False" "Bool")
-(hk-t "not True"   "Bool")
-(hk-t "1 == 1"     "Bool")
-(hk-t "1 < 2"      "Bool")
-
-;; ─── Lambda ───────────────────────────────────────────────────────────────────
-;; \x -> x   (identity)  should get t1 -> t1
-(hk-test "infer: identity lambda" (hk-infer-type "\\x -> x") "t1 -> t1")
-
-;; \x -> x + 1 : Int -> Int
-(hk-test "infer: lambda add" (hk-infer-type "\\x -> x + 1") "Int -> Int")
-
-;; \x -> not x : Bool -> Bool
-(hk-test "infer: lambda not" (hk-infer-type "\\x -> not x") "Bool -> Bool")
-
-;; \x y -> x + y : Int -> Int -> Int
-(hk-test "infer: two-arg lambda" (hk-infer-type "\\x -> \\y -> x + y") "Int -> Int -> Int")
-
-;; ─── Application ─────────────────────────────────────────────────────────────
-(hk-t "not True"    "Bool")
-(hk-t "negate 1"    "Int")
-
-;; ─── If-then-else ─────────────────────────────────────────────────────────────
-(hk-t "if True then 1 else 2"     "Int")
-(hk-t "if 1 == 2 then True else False" "Bool")
-
-;; ─── Let bindings ─────────────────────────────────────────────────────────────
-;; let x = 1 in x + 2
-(hk-t "let x = 1 in x + 2" "Int")
-
-;; let f x = x + 1 in f 5
-(hk-t "let f x = x + 1 in f 5" "Int")
-
-;; let-polymorphism: let id x = x in id 1
-(hk-t "let id x = x in id 1" "Int")
-
-;; ─── Tuples ───────────────────────────────────────────────────────────────────
-(hk-t "(1, True)"       "(Int, Bool)")
-(hk-t "(1, 2, 3)"       "(Int, Int, Int)")
-
-;; ─── Lists ───────────────────────────────────────────────────────────────────
-(hk-t "[1, 2, 3]"    "[Int]")
-(hk-t "[True, False]" "[Bool]")
-
-;; ─── Polymorphic list functions ───────────────────────────────────────────────
-(hk-t "length [1, 2, 3]"   "Int")
-(hk-t "null []"             "Bool")
-(hk-t "head [1, 2, 3]"     "Int")
-
-;; ─── hk-expr->brief ──────────────────────────────────────────────────────────
-(hk-test "brief var"    (hk-expr->brief (list "var" "x"))           "x")
-(hk-test "brief con"    (hk-expr->brief (list "con" "Just"))        "Just")
-(hk-test "brief int"    (hk-expr->brief (list "int" 42))            "42")
-(hk-test "brief app"    (hk-expr->brief (list "app" (list "var" "f") (list "var" "x"))) "(f x)")
-(hk-test "brief op"     (hk-expr->brief (list "op" "+" (list "int" 1) (list "int" 2))) "(1 + 2)")
-(hk-test "brief lambda" (hk-expr->brief (list "lambda" (list) (list "var" "x"))) "(\\ ...)")
-(hk-test "brief loc"    (hk-expr->brief (list "loc" 3 7 (list "var" "x"))) "x")
-
-;; ─── Type error messages ─────────────────────────────────────────────────────
-;; Helper: catch the error and check it contains a substring.
-(define hk-str-has? (fn (s sub) (>= (index-of s sub) 0)))
-
-(define hk-te
-  (fn (label src sub)
-    (hk-test label
-      (guard (e (#t (hk-str-has? e sub)))
-        (begin (hk-infer-type src) false))
-      true)))
-
-;; Unbound variable error includes the variable name.
-(hk-te "error unbound name" "foo + 1"    "foo")
-(hk-te "error unbound unk"  "unknown"    "unknown")
-
-;; Unification error mentions the conflicting types.
-(hk-te "error unify int-bool-1" "1 + True"  "Int")
-(hk-te "error unify int-bool-2" "1 + True"  "Bool")
-
-;; ─── Loc node: passes through to inner (position decorates outer context) ────
-(define hk-loc-err-msg
-  (fn ()
-    (guard (e (#t e))
-      (begin
-        (hk-reset-fresh)
-        (hk-w (hk-type-env0) (list "loc" 5 10 (list "var" "mystery")))
-        "no-error"))))
-(hk-test "loc passes through to var error"
-  (hk-str-has? (hk-loc-err-msg) "mystery")
-  true)
-
-;; ─── hk-infer-decl ───────────────────────────────────────────────────────────
-;; Returns ("ok" name type) | ("err" msg)
-(define hk-env0-t (hk-type-env0))
-
-(define prog1 (hk-core "f x = x + 1"))
-(define decl1 (first (nth prog1 1)))
-(define res1 (hk-infer-decl hk-env0-t decl1))
-(hk-test "decl result tag"  (first res1)    "ok")
-(hk-test "decl result name" (nth res1 1)    "f")
-(hk-test "decl result type" (nth res1 2)    "Int -> Int")
-
-;; Error decl: result is ("err" "in 'g': ...")
-(define prog2 (hk-core "g x = x + True"))
-(define decl2 (first (nth prog2 1)))
-(define res2 (hk-infer-decl hk-env0-t decl2))
-(hk-test "decl error tag"    (first res2)                  "err")
-(hk-test "decl error has g"  (hk-str-has? (nth res2 1) "g")   true)
-(hk-test "decl error has msg" (hk-str-has? (nth res2 1) "unify") true)
-
-;; ─── hk-infer-prog ───────────────────────────────────────────────────────────
-;; Returns list of ("ok"/"err" ...) tagged results.
-(define prog3 (hk-core "double x = x + x\ntwice f x = f (f x)"))
-(define results3 (hk-infer-prog prog3 hk-env0-t))
-;; results3 = (("ok" "double" "Int -> Int") ("ok" "twice" "..."))
-(hk-test "infer-prog count"  (len results3)               2)
-(hk-test "infer-prog double" (nth (nth results3 0) 2)     "Int -> Int")
-(hk-test "infer-prog twice"  (nth (nth results3 1) 2)     "(t3 -> t3) -> t3 -> t3")
-
-(hk-t "let id x = x in id 1" "Int")
-
-(hk-t "let id x = x in id True" "Bool")
-
-(hk-t "let id x = x in (id 1, id True)" "(Int, Bool)")
-
-(hk-t "let const x y = x in (const 1 True, const True 1)" "(Int, Bool)")
-
-(hk-t "let f x = x in let g y = f y in (g 1, g True)" "(Int, Bool)")
-
-(hk-t "let twice f x = f (f x) in twice (\x -> x + 1) 5" "Int")
-
-(hk-t "not (not True)" "Bool")
-
-(hk-t "negate (negate 1)" "Int")
-
-(hk-t "\\x -> \\y -> x && y" "Bool -> Bool -> Bool")
-
-(hk-t "\\x -> x == 1" "Int -> Bool")
-
-(hk-t "let x = True in if x then 1 else 0" "Int")
-
-(hk-t "let f x = not x in f True" "Bool")
-
-(hk-t "let f x = (x, x + 1) in f 5" "(Int, Int)")
-
-(hk-t "let x = 1 in let y = 2 in x + y" "Int")
-
-(hk-t "let f x = x + 1 in f (f 5)" "Int")
-
-(hk-t "if 1 < 2 then True else False" "Bool")
-
-(hk-t "if True then 1 + 1 else 2 + 2" "Int")
-
-(hk-t "(1 + 2, True && False)" "(Int, Bool)")
-
-(hk-t "(1 == 1, 2 < 3)" "(Bool, Bool)")
-
-(hk-t "length [True, False]" "Int")
-
-(hk-t "null [1]" "Bool")
-
-(hk-t "[True]" "[Bool]")
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/infinite.sx

@@ -1,137 +0,0 @@
-;; Infinite structures + Prelude tests. The lazy `:` operator builds
-;; cons cells with thunked head/tail so recursive list-defining
-;; functions terminate when only a finite prefix is consumed.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define hk-as-list
-  (fn (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-eval-list
-  (fn (src) (hk-as-list (hk-eval-expr-source src))))
-
-;; ── Prelude basics ──
-(hk-test "head of literal" (hk-eval-expr-source "head [1, 2, 3]") 1)
-(hk-test
-  "tail of literal"
-  (hk-eval-list "tail [1, 2, 3]")
-  (list 2 3))
-(hk-test "length" (hk-eval-expr-source "length [10, 20, 30, 40]") 4)
-(hk-test "length empty" (hk-eval-expr-source "length []") 0)
-(hk-test
-  "map with section"
-  (hk-eval-list "map (+ 1) [1, 2, 3]")
-  (list 2 3 4))
-(hk-test
-  "filter"
-  (hk-eval-list "filter (\\x -> x > 2) [1, 2, 3, 4, 5]")
-  (list 3 4 5))
-(hk-test
-  "drop"
-  (hk-eval-list "drop 2 [10, 20, 30, 40]")
-  (list 30 40))
-(hk-test "fst" (hk-eval-expr-source "fst (7, 9)") 7)
-(hk-test "snd" (hk-eval-expr-source "snd (7, 9)") 9)
-(hk-test
-  "zipWith"
-  (hk-eval-list "zipWith plus [1, 2, 3] [10, 20, 30]")
-  (list 11 22 33))
-
-;; ── Infinite structures ──
-(hk-test
-  "take from repeat"
-  (hk-eval-list "take 5 (repeat 7)")
-  (list 7 7 7 7 7))
-(hk-test
-  "take 0 from repeat returns empty"
-  (hk-eval-list "take 0 (repeat 7)")
-  (list))
-(hk-test
-  "take from iterate"
-  (hk-eval-list "take 5 (iterate (\\x -> x + 1) 0)")
-  (list 0 1 2 3 4))
-(hk-test
-  "iterate with multiplication"
-  (hk-eval-list "take 4 (iterate (\\x -> x * 2) 1)")
-  (list 1 2 4 8))
-(hk-test
-  "head of repeat"
-  (hk-eval-expr-source "head (repeat 99)")
-  99)
-
-;; ── Fibonacci stream ──
-(hk-test
-  "first 10 Fibonacci numbers"
-  (hk-eval-list "take 10 fibs")
-  (list 0 1 1 2 3 5 8 13 21 34))
-(hk-test
-  "fib at position 8"
-  (hk-eval-expr-source "head (drop 8 fibs)")
-  21)
-
-;; ── Building infinite structures in user code ──
-(hk-test
-  "user-defined infinite ones"
-  (hk-prog-val
-    "ones = 1 : ones\nresult = take 6 ones"
-    "result")
-  (list ":" 1 (list ":" 1 (list ":" 1 (list ":" 1 (list ":" 1 (list ":" 1 (list "[]"))))))))
-
-(hk-test
-  "user-defined nats"
-  (hk-prog-val
-    "nats = naturalsFrom 1\nnaturalsFrom n = n : naturalsFrom (n + 1)\nresult = take 5 nats"
-    "result")
-  (list ":" 1 (list ":" 2 (list ":" 3 (list ":" 4 (list ":" 5 (list "[]")))))))
-
-;; ── Range syntax ──
-(hk-test
-  "finite range [1..5]"
-  (hk-eval-list "[1..5]")
-  (list 1 2 3 4 5))
-(hk-test
-  "empty range when from > to"
-  (hk-eval-list "[10..3]")
-  (list))
-(hk-test
-  "stepped range"
-  (hk-eval-list "[1, 3..10]")
-  (list 1 3 5 7 9))
-(hk-test
-  "open range — head"
-  (hk-eval-expr-source "head [1..]")
-  1)
-(hk-test
-  "open range — drop then head"
-  (hk-eval-expr-source "head (drop 99 [1..])")
-  100)
-(hk-test
-  "open range — take 5"
-  (hk-eval-list "take 5 [10..]")
-  (list 10 11 12 13 14))
-
-;; ── Composing Prelude functions ──
-(hk-test
-  "map then filter"
-  (hk-eval-list
-    "filter (\\x -> x > 5) (map (\\x -> x * 2) [1, 2, 3, 4])")
-  (list 6 8))
-
-(hk-test
-  "sum-via-foldless"
-  (hk-prog-val
-    "mySum [] = 0\nmySum (x:xs) = x + mySum xs\nresult = mySum (take 5 (iterate (\\x -> x + 1) 1))"
-    "result")
-  15)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/io-input.sx

@@ -1,85 +0,0 @@
-;; io-input.sx — tests for getLine, getContents, readFile, writeFile.
-
-(hk-test
-  "getLine reads single line"
-  (hk-run-io-with-input "main = getLine >>= putStrLn" (list "hello"))
-  (list "hello"))
-
-(hk-test
-  "getLine reads two lines"
-  (hk-run-io-with-input
-    "main = do { line1 <- getLine; line2 <- getLine; putStrLn line1; putStrLn line2 }"
-    (list "first" "second"))
-  (list "first" "second"))
-
-(hk-test
-  "getLine bind in layout do"
-  (hk-run-io-with-input
-    "main = do\n  line <- getLine\n  putStrLn line"
-    (list "world"))
-  (list "world"))
-
-(hk-test
-  "getLine echo with prefix"
-  (hk-run-io-with-input
-    "main = do\n  line <- getLine\n  putStrLn (\"Got: \" ++ line)"
-    (list "test"))
-  (list "Got: test"))
-
-(hk-test
-  "getContents reads all lines joined"
-  (hk-run-io-with-input
-    "main = getContents >>= putStr"
-    (list "line1" "line2" "line3"))
-  (list "line1\nline2\nline3"))
-
-(hk-test
-  "getContents empty stdin"
-  (hk-run-io-with-input "main = getContents >>= putStr" (list))
-  (list ""))
-
-(hk-test
-  "readFile reads pre-loaded content"
-  (begin
-    (set! hk-vfs (dict))
-    (dict-set! hk-vfs "hello.txt" "Hello, World!")
-    (hk-run-io "main = readFile \"hello.txt\" >>= putStrLn"))
-  (list "Hello, World!"))
-
-(hk-test
-  "writeFile creates file"
-  (begin
-    (set! hk-vfs (dict))
-    (hk-run-io "main = writeFile \"out.txt\" \"written content\"")
-    (get hk-vfs "out.txt"))
-  "written content")
-
-(hk-test
-  "writeFile then readFile roundtrip"
-  (begin
-    (set! hk-vfs (dict))
-    (hk-run-io
-      "main = do { writeFile \"f.txt\" \"round trip\"; readFile \"f.txt\" >>= putStrLn }"))
-  (list "round trip"))
-
-(hk-test
-  "readFile error on missing file"
-  (guard
-    (e (true (>= (index-of e "file not found") 0)))
-    (begin
-      (set! hk-vfs (dict))
-      (hk-run-io "main = readFile \"no.txt\" >>= putStrLn")
-      false))
-  true)
-
-(hk-test
-  "getLine then writeFile combined"
-  (begin
-    (set! hk-vfs (dict))
-    (hk-run-io-with-input
-      "main = do\n  line <- getLine\n  writeFile \"cap.txt\" line"
-      (list "captured"))
-    (get hk-vfs "cap.txt"))
-  "captured")
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/layout.sx

@@ -1,245 +0,0 @@
-;; Haskell layout-rule tests. hk-tokenizer + hk-layout produce a
-;; virtual-brace-annotated stream; these tests cover the algorithm
-;; from Haskell 98 §10.3 plus the pragmatic let/in single-line rule.
-
-;; Convenience — tokenize, run layout, strip eof, keep :type/:value.
-(define
-  hk-lay
-  (fn
-    (src)
-    (map
-      (fn (tok) {:value (get tok "value") :type (get tok "type")})
-      (filter
-        (fn (tok) (not (= (get tok "type") "eof")))
-        (hk-layout (hk-tokenize src))))))
-
-;; ── 1. Basics ──
-(hk-test
-  "empty input produces empty module { }"
-  (hk-lay "")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "}" :type "vrbrace"}))
-
-(hk-test
-  "single token → module open+close"
-  (hk-lay "foo")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "foo" :type "varid"}
-    {:value "}" :type "vrbrace"}))
-
-(hk-test
-  "two top-level decls get vsemi between"
-  (hk-lay "foo = 1\nbar = 2")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "foo" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value 1 :type "integer"}
-    {:value ";" :type "vsemi"}
-    {:value "bar" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value 2 :type "integer"}
-    {:value "}" :type "vrbrace"}))
-
-;; ── 2. Layout keywords — do / let / where / of ──
-(hk-test
-  "do block with two stmts"
-  (hk-lay "f = do\n  x\n  y")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "f" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value "do" :type "reserved"}
-    {:value "{" :type "vlbrace"}
-    {:value "x" :type "varid"}
-    {:value ";" :type "vsemi"}
-    {:value "y" :type "varid"}
-    {:value "}" :type "vrbrace"}
-    {:value "}" :type "vrbrace"}))
-
-(hk-test
-  "single-line let ... in"
-  (hk-lay "let x = 1 in x")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "let" :type "reserved"}
-    {:value "{" :type "vlbrace"}
-    {:value "x" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value 1 :type "integer"}
-    {:value "}" :type "vrbrace"}
-    {:value "in" :type "reserved"}
-    {:value "x" :type "varid"}
-    {:value "}" :type "vrbrace"}))
-
-(hk-test
-  "where block with two bindings"
-  (hk-lay "f = g\n  where\n    g = 1\n    h = 2")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "f" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value "g" :type "varid"}
-    {:value "where" :type "reserved"}
-    {:value "{" :type "vlbrace"}
-    {:value "g" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value 1 :type "integer"}
-    {:value ";" :type "vsemi"}
-    {:value "h" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value 2 :type "integer"}
-    {:value "}" :type "vrbrace"}
-    {:value "}" :type "vrbrace"}))
-
-(hk-test
-  "case … of with arms"
-  (hk-lay "f x = case x of\n  Just y -> y\n  Nothing -> 0")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "f" :type "varid"}
-    {:value "x" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value "case" :type "reserved"}
-    {:value "x" :type "varid"}
-    {:value "of" :type "reserved"}
-    {:value "{" :type "vlbrace"}
-    {:value "Just" :type "conid"}
-    {:value "y" :type "varid"}
-    {:value "->" :type "reservedop"}
-    {:value "y" :type "varid"}
-    {:value ";" :type "vsemi"}
-    {:value "Nothing" :type "conid"}
-    {:value "->" :type "reservedop"}
-    {:value 0 :type "integer"}
-    {:value "}" :type "vrbrace"}
-    {:value "}" :type "vrbrace"}))
-
-;; ── 3. Explicit braces disable layout ──
-(hk-test
-  "explicit braces — no implicit vlbrace/vsemi/vrbrace inside"
-  (hk-lay "do { x ; y }")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "do" :type "reserved"}
-    {:value "{" :type "lbrace"}
-    {:value "x" :type "varid"}
-    {:value ";" :type "semi"}
-    {:value "y" :type "varid"}
-    {:value "}" :type "rbrace"}
-    {:value "}" :type "vrbrace"}))
-
-;; ── 4. Dedent closes nested blocks ──
-(hk-test
-  "dedent back to module level closes do block"
-  (hk-lay "f = do\n  x\n  y\ng = 2")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "f" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value "do" :type "reserved"}
-    {:value "{" :type "vlbrace"}
-    {:value "x" :type "varid"}
-    {:value ";" :type "vsemi"}
-    {:value "y" :type "varid"}
-    {:value "}" :type "vrbrace"}
-    {:value ";" :type "vsemi"}
-    {:value "g" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value 2 :type "integer"}
-    {:value "}" :type "vrbrace"}))
-
-(hk-test
-  "dedent closes inner let, emits vsemi at outer do level"
-  (hk-lay "main = do\n  let x = 1\n  print x")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "main" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value "do" :type "reserved"}
-    {:value "{" :type "vlbrace"}
-    {:value "let" :type "reserved"}
-    {:value "{" :type "vlbrace"}
-    {:value "x" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value 1 :type "integer"}
-    {:value "}" :type "vrbrace"}
-    {:value ";" :type "vsemi"}
-    {:value "print" :type "varid"}
-    {:value "x" :type "varid"}
-    {:value "}" :type "vrbrace"}
-    {:value "}" :type "vrbrace"}))
-
-;; ── 5. Module header skips outer implicit open ──
-(hk-test
-  "module M where — only where opens a block"
-  (hk-lay "module M where\n  f = 1")
-  (list
-    {:value "module" :type "reserved"}
-    {:value "M" :type "conid"}
-    {:value "where" :type "reserved"}
-    {:value "{" :type "vlbrace"}
-    {:value "f" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value 1 :type "integer"}
-    {:value "}" :type "vrbrace"}))
-
-;; ── 6. Newlines are stripped ──
-(hk-test
-  "newline tokens do not appear in output"
-  (let
-    ((toks (hk-layout (hk-tokenize "foo\nbar"))))
-    (every?
-      (fn (t) (not (= (get t "type") "newline")))
-      toks))
-  true)
-
-;; ── 7. Continuation — deeper indent does NOT emit vsemi ──
-(hk-test
-  "line continuation (deeper indent) just merges"
-  (hk-lay "foo = 1 +\n   2")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "foo" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value 1 :type "integer"}
-    {:value "+" :type "varsym"}
-    {:value 2 :type "integer"}
-    {:value "}" :type "vrbrace"}))
-
-;; ── 8. Stack closing at EOF ──
-(hk-test
-  "EOF inside nested do closes all implicit blocks"
-  (let
-    ((toks (hk-lay "main = do\n  do\n    x")))
-    (let
-      ((n (len toks)))
-      (list
-        (get (nth toks (- n 1)) "type")
-        (get (nth toks (- n 2)) "type")
-        (get (nth toks (- n 3)) "type"))))
-  (list "vrbrace" "vrbrace" "vrbrace"))
-
-;; ── 9. Qualified-newline: x at deeper col than stack top does nothing ──
-(hk-test
-  "mixed where + do"
-  (hk-lay "f = do\n    x\n  where\n    x = 1")
-  (list
-    {:value "{" :type "vlbrace"}
-    {:value "f" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value "do" :type "reserved"}
-    {:value "{" :type "vlbrace"}
-    {:value "x" :type "varid"}
-    {:value "}" :type "vrbrace"}
-    {:value "where" :type "reserved"}
-    {:value "{" :type "vlbrace"}
-    {:value "x" :type "varid"}
-    {:value "=" :type "reservedop"}
-    {:value 1 :type "integer"}
-    {:value "}" :type "vrbrace"}
-    {:value "}" :type "vrbrace"}))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/match.sx

@@ -1,256 +0,0 @@
-;; Pattern-matcher tests. The matcher takes (pat val env) and returns
-;; an extended env dict on success, or `nil` on failure. Constructor
-;; values are tagged lists (con-name first); tuples use the "Tuple"
-;; tag; lists use chained `:` cons with `[]` nil.
-
-;; ── Atomic patterns ──
-(hk-test
-  "wildcard always matches"
-  (hk-match (list :p-wild) 42 (dict))
-  (dict))
-
-(hk-test
-  "var binds value"
-  (hk-match (list :p-var "x") 42 (dict))
-  {:x 42})
-
-(hk-test
-  "var preserves prior env"
-  (hk-match (list :p-var "y") 7 {:x 1})
-  {:x 1 :y 7})
-
-(hk-test
-  "int literal matches equal"
-  (hk-match (list :p-int 5) 5 (dict))
-  (dict))
-
-(hk-test
-  "int literal fails on mismatch"
-  (hk-match (list :p-int 5) 6 (dict))
-  nil)
-
-(hk-test
-  "negative int literal matches"
-  (hk-match (list :p-int -3) -3 (dict))
-  (dict))
-
-(hk-test
-  "string literal matches"
-  (hk-match (list :p-string "hi") "hi" (dict))
-  (dict))
-
-(hk-test
-  "string literal fails"
-  (hk-match (list :p-string "hi") "bye" (dict))
-  nil)
-
-(hk-test
-  "char literal matches"
-  (hk-match (list :p-char "a") "a" (dict))
-  (dict))
-
-;; ── Constructor patterns ──
-(hk-test
-  "0-arity con matches"
-  (hk-match
-    (list :p-con "Nothing" (list))
-    (hk-mk-con "Nothing" (list))
-    (dict))
-  (dict))
-
-(hk-test
-  "1-arity con matches and binds"
-  (hk-match
-    (list :p-con "Just" (list (list :p-var "y")))
-    (hk-mk-con "Just" (list 9))
-    (dict))
-  {:y 9})
-
-(hk-test
-  "con name mismatch fails"
-  (hk-match
-    (list :p-con "Just" (list (list :p-var "y")))
-    (hk-mk-con "Nothing" (list))
-    (dict))
-  nil)
-
-(hk-test
-  "con arity mismatch fails"
-  (hk-match
-    (list :p-con "Pair" (list (list :p-var "a") (list :p-var "b")))
-    (hk-mk-con "Pair" (list 1))
-    (dict))
-  nil)
-
-(hk-test
-  "nested con: Just (Just x)"
-  (hk-match
-    (list
-      :p-con
-      "Just"
-      (list
-        (list
-          :p-con
-          "Just"
-          (list (list :p-var "x")))))
-    (hk-mk-con "Just" (list (hk-mk-con "Just" (list 42))))
-    (dict))
-  {:x 42})
-
-;; ── Tuple patterns ──
-(hk-test
-  "2-tuple matches and binds"
-  (hk-match
-    (list
-      :p-tuple
-      (list (list :p-var "a") (list :p-var "b")))
-    (hk-mk-tuple (list 10 20))
-    (dict))
-  {:a 10 :b 20})
-
-(hk-test
-  "tuple arity mismatch fails"
-  (hk-match
-    (list
-      :p-tuple
-      (list (list :p-var "a") (list :p-var "b")))
-    (hk-mk-tuple (list 10 20 30))
-    (dict))
-  nil)
-
-;; ── List patterns ──
-(hk-test
-  "[] pattern matches empty list"
-  (hk-match (list :p-list (list)) (hk-mk-nil) (dict))
-  (dict))
-
-(hk-test
-  "[] pattern fails on non-empty"
-  (hk-match (list :p-list (list)) (hk-mk-list (list 1)) (dict))
-  nil)
-
-(hk-test
-  "[a] pattern matches singleton"
-  (hk-match
-    (list :p-list (list (list :p-var "a")))
-    (hk-mk-list (list 7))
-    (dict))
-  {:a 7})
-
-(hk-test
-  "[a, b] pattern matches pair-list and binds"
-  (hk-match
-    (list
-      :p-list
-      (list (list :p-var "a") (list :p-var "b")))
-    (hk-mk-list (list 1 2))
-    (dict))
-  {:a 1 :b 2})
-
-(hk-test
-  "[a, b] fails on too-long list"
-  (hk-match
-    (list
-      :p-list
-      (list (list :p-var "a") (list :p-var "b")))
-    (hk-mk-list (list 1 2 3))
-    (dict))
-  nil)
-
-;; Cons-style infix pattern (which the parser produces as :p-con ":")
-(hk-test
-  "cons (h:t) on non-empty list"
-  (hk-match
-    (list
-      :p-con
-      ":"
-      (list (list :p-var "h") (list :p-var "t")))
-    (hk-mk-list (list 1 2 3))
-    (dict))
-  {:h 1 :t (list ":" 2 (list ":" 3 (list "[]")))})
-
-(hk-test
-  "cons fails on empty list"
-  (hk-match
-    (list
-      :p-con
-      ":"
-      (list (list :p-var "h") (list :p-var "t")))
-    (hk-mk-nil)
-    (dict))
-  nil)
-
-;; ── as patterns ──
-(hk-test
-  "as binds whole + sub-pattern"
-  (hk-match
-    (list
-      :p-as
-      "all"
-      (list :p-con "Just" (list (list :p-var "x"))))
-    (hk-mk-con "Just" (list 99))
-    (dict))
-  {:all (list "Just" 99) :x 99})
-
-(hk-test
-  "as on wildcard binds whole"
-  (hk-match
-    (list :p-as "v" (list :p-wild))
-    "anything"
-    (dict))
-  {:v "anything"})
-
-(hk-test
-  "as fails when sub-pattern fails"
-  (hk-match
-    (list
-      :p-as
-      "n"
-      (list :p-con "Just" (list (list :p-var "x"))))
-    (hk-mk-con "Nothing" (list))
-    (dict))
-  nil)
-
-;; ── lazy ~ pattern (eager equivalent for now) ──
-(hk-test
-  "lazy pattern eager-matches its inner"
-  (hk-match
-    (list :p-lazy (list :p-var "y"))
-    42
-    (dict))
-  {:y 42})
-
-;; ── Source-driven: parse a real Haskell pattern, match a value ──
-(hk-test
-  "parsed pattern: Just x against Just 5"
-  (hk-match
-    (hk-parse-pat-source "Just x")
-    (hk-mk-con "Just" (list 5))
-    (dict))
-  {:x 5})
-
-(hk-test
-  "parsed pattern: x : xs against [10, 20, 30]"
-  (hk-match
-    (hk-parse-pat-source "x : xs")
-    (hk-mk-list (list 10 20 30))
-    (dict))
-  {:x 10 :xs (list ":" 20 (list ":" 30 (list "[]")))})
-
-(hk-test
-  "parsed pattern: (a, b) against (1, 2)"
-  (hk-match
-    (hk-parse-pat-source "(a, b)")
-    (hk-mk-tuple (list 1 2))
-    (dict))
-  {:a 1 :b 2})
-
-(hk-test
-  "parsed pattern: n@(Just x) against Just 7"
-  (hk-match
-    (hk-parse-pat-source "n@(Just x)")
-    (hk-mk-con "Just" (list 7))
-    (dict))
-  {:n (list "Just" 7) :x 7})
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/parse.sx

@@ -3,8 +3,60 @@
 ;; Lightweight runner: each test checks actual vs expected with
 ;; structural (deep) equality and accumulates pass/fail counters.
 ;; Final value of this file is a summary dict with :pass :fail :fails.
-;; The hk-test / hk-deep=? helpers live in lib/haskell/testlib.sx
+
-;; and are preloaded by lib/haskell/test.sh.
+(define
+  hk-deep=?
+  (fn
+    (a b)
+    (cond
+      ((= a b) true)
+      ((and (dict? a) (dict? b))
+        (let
+          ((ak (keys a)) (bk (keys b)))
+          (if
+            (not (= (len ak) (len bk)))
+            false
+            (every?
+              (fn
+                (k)
+                (and (has-key? b k) (hk-deep=? (get a k) (get b k))))
+              ak))))
+      ((and (list? a) (list? b))
+        (if
+          (not (= (len a) (len b)))
+          false
+          (let
+            ((i 0) (ok true))
+            (define
+              hk-de-loop
+              (fn
+                ()
+                (when
+                  (and ok (< i (len a)))
+                  (do
+                    (when
+                      (not (hk-deep=? (nth a i) (nth b i)))
+                      (set! ok false))
+                    (set! i (+ i 1))
+                    (hk-de-loop)))))
+            (hk-de-loop)
+            ok)))
+      (:else false))))
+
+(define hk-test-pass 0)
+(define hk-test-fail 0)
+(define hk-test-fails (list))
+
+(define
+  hk-test
+  (fn
+    (name actual expected)
+    (if
+      (hk-deep=? actual expected)
+      (set! hk-test-pass (+ hk-test-pass 1))
+      (do
+        (set! hk-test-fail (+ hk-test-fail 1))
+        (append! hk-test-fails {:actual actual :expected expected :name name})))))
 
 ;; Convenience: tokenize and drop newline + eof tokens so tests focus
 ;; on meaningful content. Returns list of {:type :value} pairs.

lib/haskell/tests/parser-case-do.sx

@@ -1,278 +0,0 @@
-;; case-of and do-notation parser tests.
-;; Covers the minimal patterns needed to make these meaningful: var,
-;; wildcard, literal, constructor (with and without args), tuple, list.
-
-;; ── Patterns (in case arms) ──
-(hk-test
-  "wildcard pat"
-  (hk-parse "case x of _ -> 0")
-  (list
-    :case
-    (list :var "x")
-    (list (list :alt (list :p-wild) (list :int 0)))))
-
-(hk-test
-  "var pat"
-  (hk-parse "case x of y -> y")
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list :alt (list :p-var "y") (list :var "y")))))
-
-(hk-test
-  "0-arity constructor pat"
-  (hk-parse "case x of\n  Nothing -> 0\n  Just y -> y")
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list :alt (list :p-con "Nothing" (list)) (list :int 0))
-      (list
-        :alt
-        (list :p-con "Just" (list (list :p-var "y")))
-        (list :var "y")))))
-
-(hk-test
-  "int literal pat"
-  (hk-parse "case n of\n  0 -> 1\n  _ -> n")
-  (list
-    :case
-    (list :var "n")
-    (list
-      (list :alt (list :p-int 0) (list :int 1))
-      (list :alt (list :p-wild) (list :var "n")))))
-
-(hk-test
-  "string literal pat"
-  (hk-parse "case s of\n  \"hi\" -> 1\n  _ -> 0")
-  (list
-    :case
-    (list :var "s")
-    (list
-      (list :alt (list :p-string "hi") (list :int 1))
-      (list :alt (list :p-wild) (list :int 0)))))
-
-(hk-test
-  "tuple pat"
-  (hk-parse "case p of (a, b) -> a")
-  (list
-    :case
-    (list :var "p")
-    (list
-      (list
-        :alt
-        (list
-          :p-tuple
-          (list (list :p-var "a") (list :p-var "b")))
-        (list :var "a")))))
-
-(hk-test
-  "list pat"
-  (hk-parse "case xs of\n  [] -> 0\n  [a] -> a")
-  (list
-    :case
-    (list :var "xs")
-    (list
-      (list :alt (list :p-list (list)) (list :int 0))
-      (list
-        :alt
-        (list :p-list (list (list :p-var "a")))
-        (list :var "a")))))
-
-(hk-test
-  "nested constructor pat"
-  (hk-parse "case x of\n  Just (a, b) -> a\n  _ -> 0")
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list
-        :alt
-        (list
-          :p-con
-          "Just"
-          (list
-            (list
-              :p-tuple
-              (list (list :p-var "a") (list :p-var "b")))))
-        (list :var "a"))
-      (list :alt (list :p-wild) (list :int 0)))))
-
-(hk-test
-  "constructor with multiple var args"
-  (hk-parse "case t of Pair a b -> a")
-  (list
-    :case
-    (list :var "t")
-    (list
-      (list
-        :alt
-        (list
-          :p-con
-          "Pair"
-          (list (list :p-var "a") (list :p-var "b")))
-        (list :var "a")))))
-
-;; ── case-of shapes ──
-(hk-test
-  "case with explicit braces"
-  (hk-parse "case x of { Just y -> y ; Nothing -> 0 }")
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list
-        :alt
-        (list :p-con "Just" (list (list :p-var "y")))
-        (list :var "y"))
-      (list :alt (list :p-con "Nothing" (list)) (list :int 0)))))
-
-(hk-test
-  "case scrutinee is a full expression"
-  (hk-parse "case f x + 1 of\n  y -> y")
-  (list
-    :case
-    (list
-      :op
-      "+"
-      (list :app (list :var "f") (list :var "x"))
-      (list :int 1))
-    (list (list :alt (list :p-var "y") (list :var "y")))))
-
-(hk-test
-  "case arm body is full expression"
-  (hk-parse "case x of\n  Just y -> y + 1")
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list
-        :alt
-        (list :p-con "Just" (list (list :p-var "y")))
-        (list :op "+" (list :var "y") (list :int 1))))))
-
-;; ── do blocks ──
-(hk-test
-  "do with two expressions"
-  (hk-parse "do\n  putStrLn \"hi\"\n  return 0")
-  (list
-    :do
-    (list
-      (list
-        :do-expr
-        (list :app (list :var "putStrLn") (list :string "hi")))
-      (list
-        :do-expr
-        (list :app (list :var "return") (list :int 0))))))
-
-(hk-test
-  "do with bind"
-  (hk-parse "do\n  x <- getLine\n  putStrLn x")
-  (list
-    :do
-    (list
-      (list :do-bind (list :p-var "x") (list :var "getLine"))
-      (list
-        :do-expr
-        (list :app (list :var "putStrLn") (list :var "x"))))))
-
-(hk-test
-  "do with let"
-  (hk-parse "do\n  let y = 5\n  print y")
-  (list
-    :do
-    (list
-      (list
-        :do-let
-        (list (list :bind (list :p-var "y") (list :int 5))))
-      (list
-        :do-expr
-        (list :app (list :var "print") (list :var "y"))))))
-
-(hk-test
-  "do with multiple let bindings"
-  (hk-parse "do\n  let x = 1\n      y = 2\n  print (x + y)")
-  (list
-    :do
-    (list
-      (list
-        :do-let
-        (list
-          (list :bind (list :p-var "x") (list :int 1))
-          (list :bind (list :p-var "y") (list :int 2))))
-      (list
-        :do-expr
-        (list
-          :app
-          (list :var "print")
-          (list :op "+" (list :var "x") (list :var "y")))))))
-
-(hk-test
-  "do with bind using constructor pat"
-  (hk-parse "do\n  Just x <- getMaybe\n  return x")
-  (list
-    :do
-    (list
-      (list
-        :do-bind
-        (list :p-con "Just" (list (list :p-var "x")))
-        (list :var "getMaybe"))
-      (list
-        :do-expr
-        (list :app (list :var "return") (list :var "x"))))))
-
-(hk-test
-  "do with explicit braces"
-  (hk-parse "do { x <- a ; y <- b ; return (x + y) }")
-  (list
-    :do
-    (list
-      (list :do-bind (list :p-var "x") (list :var "a"))
-      (list :do-bind (list :p-var "y") (list :var "b"))
-      (list
-        :do-expr
-        (list
-          :app
-          (list :var "return")
-          (list :op "+" (list :var "x") (list :var "y")))))))
-
-;; ── Mixing case/do inside expressions ──
-(hk-test
-  "case inside let"
-  (hk-parse "let f = \\x -> case x of\n                 Just y -> y\n                 _ -> 0\nin f 5")
-  (list
-    :let
-    (list
-      (list
-        :bind
-        (list :p-var "f")
-        (list
-          :lambda
-          (list (list :p-var "x"))
-          (list
-            :case
-            (list :var "x")
-            (list
-              (list
-                :alt
-                (list :p-con "Just" (list (list :p-var "y")))
-                (list :var "y"))
-              (list :alt (list :p-wild) (list :int 0)))))))
-    (list :app (list :var "f") (list :int 5))))
-
-(hk-test
-  "lambda containing do"
-  (hk-parse "\\x -> do\n  y <- x\n  return y")
-  (list
-    :lambda
-    (list (list :p-var "x"))
-    (list
-      :do
-      (list
-        (list :do-bind (list :p-var "y") (list :var "x"))
-        (list
-          :do-expr
-          (list :app (list :var "return") (list :var "y")))))))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/parser-decls.sx

@@ -1,273 +0,0 @@
-;; Top-level declarations: function clauses, type signatures, data,
-;; type, newtype, fixity. Driven by hk-parse-top which produces
-;; a (:program DECLS) node.
-
-(define
-  hk-prog
-  (fn
-    (&rest decls)
-    (list :program decls)))
-
-;; ── Function clauses & pattern bindings ──
-(hk-test
-  "simple fun-clause"
-  (hk-parse-top "f x = x + 1")
-  (hk-prog
-    (list
-      :fun-clause
-      "f"
-      (list (list :p-var "x"))
-      (list :op "+" (list :var "x") (list :int 1)))))
-
-(hk-test
-  "nullary decl"
-  (hk-parse-top "answer = 42")
-  (hk-prog
-    (list :fun-clause "answer" (list) (list :int 42))))
-
-(hk-test
-  "multi-clause fn (separate defs for each pattern)"
-  (hk-parse-top "fact 0 = 1\nfact n = n")
-  (hk-prog
-    (list :fun-clause "fact" (list (list :p-int 0)) (list :int 1))
-    (list
-      :fun-clause
-      "fact"
-      (list (list :p-var "n"))
-      (list :var "n"))))
-
-(hk-test
-  "constructor pattern in fn args"
-  (hk-parse-top "fromJust (Just x) = x")
-  (hk-prog
-    (list
-      :fun-clause
-      "fromJust"
-      (list (list :p-con "Just" (list (list :p-var "x"))))
-      (list :var "x"))))
-
-(hk-test
-  "pattern binding at top level"
-  (hk-parse-top "(a, b) = pair")
-  (hk-prog
-    (list
-      :pat-bind
-      (list
-        :p-tuple
-        (list (list :p-var "a") (list :p-var "b")))
-      (list :var "pair"))))
-
-;; ── Type signatures ──
-(hk-test
-  "single-name sig"
-  (hk-parse-top "f :: Int -> Int")
-  (hk-prog
-    (list
-      :type-sig
-      (list "f")
-      (list :t-fun (list :t-con "Int") (list :t-con "Int")))))
-
-(hk-test
-  "multi-name sig"
-  (hk-parse-top "f, g, h :: Int -> Bool")
-  (hk-prog
-    (list
-      :type-sig
-      (list "f" "g" "h")
-      (list :t-fun (list :t-con "Int") (list :t-con "Bool")))))
-
-(hk-test
-  "sig with type application"
-  (hk-parse-top "f :: Maybe a -> a")
-  (hk-prog
-    (list
-      :type-sig
-      (list "f")
-      (list
-        :t-fun
-        (list :t-app (list :t-con "Maybe") (list :t-var "a"))
-        (list :t-var "a")))))
-
-(hk-test
-  "sig with list type"
-  (hk-parse-top "len :: [a] -> Int")
-  (hk-prog
-    (list
-      :type-sig
-      (list "len")
-      (list
-        :t-fun
-        (list :t-list (list :t-var "a"))
-        (list :t-con "Int")))))
-
-(hk-test
-  "sig with tuple and right-assoc ->"
-  (hk-parse-top "pair :: a -> b -> (a, b)")
-  (hk-prog
-    (list
-      :type-sig
-      (list "pair")
-      (list
-        :t-fun
-        (list :t-var "a")
-        (list
-          :t-fun
-          (list :t-var "b")
-          (list
-            :t-tuple
-            (list (list :t-var "a") (list :t-var "b"))))))))
-
-(hk-test
-  "sig + implementation together"
-  (hk-parse-top "id :: a -> a\nid x = x")
-  (hk-prog
-    (list
-      :type-sig
-      (list "id")
-      (list :t-fun (list :t-var "a") (list :t-var "a")))
-    (list
-      :fun-clause
-      "id"
-      (list (list :p-var "x"))
-      (list :var "x"))))
-
-;; ── data declarations ──
-(hk-test
-  "data Maybe"
-  (hk-parse-top "data Maybe a = Nothing | Just a")
-  (hk-prog
-    (list
-      :data
-      "Maybe"
-      (list "a")
-      (list
-        (list :con-def "Nothing" (list))
-        (list :con-def "Just" (list (list :t-var "a")))))))
-
-(hk-test
-  "data Either"
-  (hk-parse-top "data Either a b = Left a | Right b")
-  (hk-prog
-    (list
-      :data
-      "Either"
-      (list "a" "b")
-      (list
-        (list :con-def "Left" (list (list :t-var "a")))
-        (list :con-def "Right" (list (list :t-var "b")))))))
-
-(hk-test
-  "data with no type parameters"
-  (hk-parse-top "data Bool = True | False")
-  (hk-prog
-    (list
-      :data
-      "Bool"
-      (list)
-      (list
-        (list :con-def "True" (list))
-        (list :con-def "False" (list))))))
-
-(hk-test
-  "recursive data type"
-  (hk-parse-top "data Tree a = Leaf | Node (Tree a) a (Tree a)")
-  (hk-prog
-    (list
-      :data
-      "Tree"
-      (list "a")
-      (list
-        (list :con-def "Leaf" (list))
-        (list
-          :con-def
-          "Node"
-          (list
-            (list :t-app (list :t-con "Tree") (list :t-var "a"))
-            (list :t-var "a")
-            (list :t-app (list :t-con "Tree") (list :t-var "a"))))))))
-
-;; ── type synonyms ──
-(hk-test
-  "simple type synonym"
-  (hk-parse-top "type Name = String")
-  (hk-prog
-    (list :type-syn "Name" (list) (list :t-con "String"))))
-
-(hk-test
-  "parameterised type synonym"
-  (hk-parse-top "type Pair a = (a, a)")
-  (hk-prog
-    (list
-      :type-syn
-      "Pair"
-      (list "a")
-      (list
-        :t-tuple
-        (list (list :t-var "a") (list :t-var "a"))))))
-
-;; ── newtype ──
-(hk-test
-  "newtype"
-  (hk-parse-top "newtype Age = Age Int")
-  (hk-prog (list :newtype "Age" (list) "Age" (list :t-con "Int"))))
-
-(hk-test
-  "parameterised newtype"
-  (hk-parse-top "newtype Wrap a = Wrap a")
-  (hk-prog
-    (list :newtype "Wrap" (list "a") "Wrap" (list :t-var "a"))))
-
-;; ── fixity declarations ──
-(hk-test
-  "infixl with precedence"
-  (hk-parse-top "infixl 5 +:, -:")
-  (hk-prog (list :fixity "l" 5 (list "+:" "-:"))))
-
-(hk-test
-  "infixr"
-  (hk-parse-top "infixr 9 .")
-  (hk-prog (list :fixity "r" 9 (list "."))))
-
-(hk-test
-  "infix (non-assoc) default prec"
-  (hk-parse-top "infix ==")
-  (hk-prog (list :fixity "n" 9 (list "=="))))
-
-(hk-test
-  "fixity with backtick operator name"
-  (hk-parse-top "infixl 7 `div`")
-  (hk-prog (list :fixity "l" 7 (list "div"))))
-
-;; ── Several decls combined ──
-(hk-test
-  "mixed: data + sig + fn + type"
-  (hk-parse-top "data Maybe a = Nothing | Just a\ntype Entry = Maybe Int\nf :: Entry -> Int\nf (Just x) = x\nf Nothing = 0")
-  (hk-prog
-    (list
-      :data
-      "Maybe"
-      (list "a")
-      (list
-        (list :con-def "Nothing" (list))
-        (list :con-def "Just" (list (list :t-var "a")))))
-    (list
-      :type-syn
-      "Entry"
-      (list)
-      (list :t-app (list :t-con "Maybe") (list :t-con "Int")))
-    (list
-      :type-sig
-      (list "f")
-      (list :t-fun (list :t-con "Entry") (list :t-con "Int")))
-    (list
-      :fun-clause
-      "f"
-      (list (list :p-con "Just" (list (list :p-var "x"))))
-      (list :var "x"))
-    (list
-      :fun-clause
-      "f"
-      (list (list :p-con "Nothing" (list)))
-      (list :int 0))))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/parser-expr.sx

@@ -1,258 +0,0 @@
-;; Haskell expression parser tests.
-;; hk-parse tokenises, runs layout, then parses. Output is an AST
-;; whose head is a keyword tag (evaluates to its string name).
-
-;; ── 1. Literals ──
-(hk-test "integer" (hk-parse "42") (list :int 42))
-(hk-test "float" (hk-parse "3.14") (list :float 3.14))
-(hk-test "string" (hk-parse "\"hi\"") (list :string "hi"))
-(hk-test "char" (hk-parse "'a'") (list :char "a"))
-
-;; ── 2. Variables and constructors ──
-(hk-test "varid" (hk-parse "foo") (list :var "foo"))
-(hk-test "conid" (hk-parse "Nothing") (list :con "Nothing"))
-(hk-test "qvarid" (hk-parse "Data.Map.lookup") (list :var "Data.Map.lookup"))
-(hk-test "qconid" (hk-parse "Data.Map") (list :con "Data.Map"))
-
-;; ── 3. Parens / unit / tuple ──
-(hk-test "parens strip" (hk-parse "(42)") (list :int 42))
-(hk-test "unit" (hk-parse "()") (list :con "()"))
-(hk-test
-  "2-tuple"
-  (hk-parse "(1, 2)")
-  (list :tuple (list (list :int 1) (list :int 2))))
-(hk-test
-  "3-tuple"
-  (hk-parse "(x, y, z)")
-  (list
-    :tuple
-    (list (list :var "x") (list :var "y") (list :var "z"))))
-
-;; ── 4. Lists ──
-(hk-test "empty list" (hk-parse "[]") (list :list (list)))
-(hk-test
-  "singleton list"
-  (hk-parse "[1]")
-  (list :list (list (list :int 1))))
-(hk-test
-  "list of ints"
-  (hk-parse "[1, 2, 3]")
-  (list
-    :list
-    (list (list :int 1) (list :int 2) (list :int 3))))
-(hk-test
-  "range"
-  (hk-parse "[1..10]")
-  (list :range (list :int 1) (list :int 10)))
-(hk-test
-  "range with step"
-  (hk-parse "[1, 3..10]")
-  (list
-    :range-step
-    (list :int 1)
-    (list :int 3)
-    (list :int 10)))
-
-;; ── 5. Application ──
-(hk-test
-  "one-arg app"
-  (hk-parse "f x")
-  (list :app (list :var "f") (list :var "x")))
-(hk-test
-  "multi-arg app is left-assoc"
-  (hk-parse "f x y z")
-  (list
-    :app
-    (list
-      :app
-      (list :app (list :var "f") (list :var "x"))
-      (list :var "y"))
-    (list :var "z")))
-(hk-test
-  "app with con"
-  (hk-parse "Just 5")
-  (list :app (list :con "Just") (list :int 5)))
-
-;; ── 6. Infix operators ──
-(hk-test
-  "simple +"
-  (hk-parse "1 + 2")
-  (list :op "+" (list :int 1) (list :int 2)))
-(hk-test
-  "precedence: * binds tighter than +"
-  (hk-parse "1 + 2 * 3")
-  (list
-    :op
-    "+"
-    (list :int 1)
-    (list :op "*" (list :int 2) (list :int 3))))
-(hk-test
-  "- is left-assoc"
-  (hk-parse "10 - 3 - 2")
-  (list
-    :op
-    "-"
-    (list :op "-" (list :int 10) (list :int 3))
-    (list :int 2)))
-(hk-test
-  ": is right-assoc"
-  (hk-parse "a : b : c")
-  (list
-    :op
-    ":"
-    (list :var "a")
-    (list :op ":" (list :var "b") (list :var "c"))))
-(hk-test
-  "app binds tighter than op"
-  (hk-parse "f x + g y")
-  (list
-    :op
-    "+"
-    (list :app (list :var "f") (list :var "x"))
-    (list :app (list :var "g") (list :var "y"))))
-(hk-test
-  "$ is lowest precedence, right-assoc"
-  (hk-parse "f $ g x")
-  (list
-    :op
-    "$"
-    (list :var "f")
-    (list :app (list :var "g") (list :var "x"))))
-
-;; ── 7. Backticks (varid-as-operator) ──
-(hk-test
-  "backtick operator"
-  (hk-parse "x `mod` 3")
-  (list :op "mod" (list :var "x") (list :int 3)))
-
-;; ── 8. Unary negation ──
-(hk-test
-  "unary -"
-  (hk-parse "- 5")
-  (list :neg (list :int 5)))
-(hk-test
-  "unary - on application"
-  (hk-parse "- f x")
-  (list :neg (list :app (list :var "f") (list :var "x"))))
-(hk-test
-  "- n + m → (- n) + m"
-  (hk-parse "- 1 + 2")
-  (list
-    :op
-    "+"
-    (list :neg (list :int 1))
-    (list :int 2)))
-
-;; ── 9. Lambda ──
-(hk-test
-  "lambda single param"
-  (hk-parse "\\x -> x")
-  (list :lambda (list (list :p-var "x")) (list :var "x")))
-(hk-test
-  "lambda multi-param"
-  (hk-parse "\\x y -> x + y")
-  (list
-    :lambda
-    (list (list :p-var "x") (list :p-var "y"))
-    (list :op "+" (list :var "x") (list :var "y"))))
-(hk-test
-  "lambda body is full expression"
-  (hk-parse "\\f -> f 1 + f 2")
-  (list
-    :lambda
-    (list (list :p-var "f"))
-    (list
-      :op
-      "+"
-      (list :app (list :var "f") (list :int 1))
-      (list :app (list :var "f") (list :int 2)))))
-
-;; ── 10. if-then-else ──
-(hk-test
-  "if basic"
-  (hk-parse "if x then 1 else 2")
-  (list :if (list :var "x") (list :int 1) (list :int 2)))
-(hk-test
-  "if with infix cond"
-  (hk-parse "if x == 0 then y else z")
-  (list
-    :if
-    (list :op "==" (list :var "x") (list :int 0))
-    (list :var "y")
-    (list :var "z")))
-
-;; ── 11. let-in ──
-(hk-test
-  "let single binding"
-  (hk-parse "let x = 1 in x")
-  (list
-    :let
-    (list (list :bind (list :p-var "x") (list :int 1)))
-    (list :var "x")))
-(hk-test
-  "let two bindings (multi-line)"
-  (hk-parse "let x = 1\n    y = 2\nin x + y")
-  (list
-    :let
-    (list
-      (list :bind (list :p-var "x") (list :int 1))
-      (list :bind (list :p-var "y") (list :int 2)))
-    (list :op "+" (list :var "x") (list :var "y"))))
-(hk-test
-  "let with explicit braces"
-  (hk-parse "let { x = 1 ; y = 2 } in x + y")
-  (list
-    :let
-    (list
-      (list :bind (list :p-var "x") (list :int 1))
-      (list :bind (list :p-var "y") (list :int 2)))
-    (list :op "+" (list :var "x") (list :var "y"))))
-
-;; ── 12. Mixed / nesting ──
-(hk-test
-  "nested application"
-  (hk-parse "f (g x) y")
-  (list
-    :app
-    (list
-      :app
-      (list :var "f")
-      (list :app (list :var "g") (list :var "x")))
-    (list :var "y")))
-(hk-test
-  "lambda applied"
-  (hk-parse "(\\x -> x + 1) 5")
-  (list
-    :app
-    (list
-      :lambda
-      (list (list :p-var "x"))
-      (list :op "+" (list :var "x") (list :int 1)))
-    (list :int 5)))
-(hk-test
-  "lambda + if"
-  (hk-parse "\\n -> if n == 0 then 1 else n")
-  (list
-    :lambda
-    (list (list :p-var "n"))
-    (list
-      :if
-      (list :op "==" (list :var "n") (list :int 0))
-      (list :int 1)
-      (list :var "n"))))
-
-;; ── 13. Precedence corners ──
-(hk-test
-  ". is right-assoc (prec 9)"
-  (hk-parse "f . g . h")
-  (list
-    :op
-    "."
-    (list :var "f")
-    (list :op "." (list :var "g") (list :var "h"))))
-(hk-test
-  "== is non-associative (single use)"
-  (hk-parse "x == y")
-  (list :op "==" (list :var "x") (list :var "y")))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/parser-guards-where.sx

@@ -1,261 +0,0 @@
-;; Guards and where-clauses — on fun-clauses, case alts, and
-;; let-bindings (which now also accept funclause-style LHS like
-;; `let f x = e` or `let f x | g = e | g = e`).
-
-(define
-  hk-prog
-  (fn (&rest decls) (list :program decls)))
-
-;; ── Guarded fun-clauses ──
-(hk-test
-  "simple guards (two branches)"
-  (hk-parse-top "abs x | x < 0 = - x\n      | otherwise = x")
-  (hk-prog
-    (list
-      :fun-clause
-      "abs"
-      (list (list :p-var "x"))
-      (list
-        :guarded
-        (list
-          (list
-            :guard
-            (list :op "<" (list :var "x") (list :int 0))
-            (list :neg (list :var "x")))
-          (list :guard (list :var "otherwise") (list :var "x")))))))
-
-(hk-test
-  "three-way guard"
-  (hk-parse-top "sign n | n > 0 = 1\n       | n < 0 = -1\n       | otherwise = 0")
-  (hk-prog
-    (list
-      :fun-clause
-      "sign"
-      (list (list :p-var "n"))
-      (list
-        :guarded
-        (list
-          (list
-            :guard
-            (list :op ">" (list :var "n") (list :int 0))
-            (list :int 1))
-          (list
-            :guard
-            (list :op "<" (list :var "n") (list :int 0))
-            (list :neg (list :int 1)))
-          (list
-            :guard
-            (list :var "otherwise")
-            (list :int 0)))))))
-
-(hk-test
-  "mixed: one eq clause plus one guarded clause"
-  (hk-parse-top "sign 0 = 0\nsign n | n > 0 = 1\n       | otherwise = -1")
-  (hk-prog
-    (list
-      :fun-clause
-      "sign"
-      (list (list :p-int 0))
-      (list :int 0))
-    (list
-      :fun-clause
-      "sign"
-      (list (list :p-var "n"))
-      (list
-        :guarded
-        (list
-          (list
-            :guard
-            (list :op ">" (list :var "n") (list :int 0))
-            (list :int 1))
-          (list
-            :guard
-            (list :var "otherwise")
-            (list :neg (list :int 1))))))))
-
-;; ── where on fun-clauses ──
-(hk-test
-  "where with one binding"
-  (hk-parse-top "f x = y + y\n  where y = x + 1")
-  (hk-prog
-    (list
-      :fun-clause
-      "f"
-      (list (list :p-var "x"))
-      (list
-        :where
-        (list :op "+" (list :var "y") (list :var "y"))
-        (list
-          (list
-            :fun-clause
-            "y"
-            (list)
-            (list :op "+" (list :var "x") (list :int 1))))))))
-
-(hk-test
-  "where with multiple bindings"
-  (hk-parse-top "f x = y * z\n  where y = x + 1\n        z = x - 1")
-  (hk-prog
-    (list
-      :fun-clause
-      "f"
-      (list (list :p-var "x"))
-      (list
-        :where
-        (list :op "*" (list :var "y") (list :var "z"))
-        (list
-          (list
-            :fun-clause
-            "y"
-            (list)
-            (list :op "+" (list :var "x") (list :int 1)))
-          (list
-            :fun-clause
-            "z"
-            (list)
-            (list :op "-" (list :var "x") (list :int 1))))))))
-
-(hk-test
-  "guards + where"
-  (hk-parse-top "f x | x > 0 = y\n    | otherwise = 0\n  where y = 99")
-  (hk-prog
-    (list
-      :fun-clause
-      "f"
-      (list (list :p-var "x"))
-      (list
-        :where
-        (list
-          :guarded
-          (list
-            (list
-              :guard
-              (list :op ">" (list :var "x") (list :int 0))
-              (list :var "y"))
-            (list
-              :guard
-              (list :var "otherwise")
-              (list :int 0))))
-        (list
-          (list :fun-clause "y" (list) (list :int 99)))))))
-
-;; ── Guards in case alts ──
-(hk-test
-  "case alt with guards"
-  (hk-parse "case x of\n  Just y | y > 0 -> y\n         | otherwise -> 0\n  Nothing -> 0")
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list
-        :alt
-        (list :p-con "Just" (list (list :p-var "y")))
-        (list
-          :guarded
-          (list
-            (list
-              :guard
-              (list :op ">" (list :var "y") (list :int 0))
-              (list :var "y"))
-            (list
-              :guard
-              (list :var "otherwise")
-              (list :int 0)))))
-      (list :alt (list :p-con "Nothing" (list)) (list :int 0)))))
-
-(hk-test
-  "case alt with where"
-  (hk-parse "case x of\n  Just y -> y + z where z = 5\n  Nothing -> 0")
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list
-        :alt
-        (list :p-con "Just" (list (list :p-var "y")))
-        (list
-          :where
-          (list :op "+" (list :var "y") (list :var "z"))
-          (list
-            (list :fun-clause "z" (list) (list :int 5)))))
-      (list :alt (list :p-con "Nothing" (list)) (list :int 0)))))
-
-;; ── let-bindings: funclause form, guards, where ──
-(hk-test
-  "let with funclause shorthand"
-  (hk-parse "let f x = x + 1 in f 5")
-  (list
-    :let
-    (list
-      (list
-        :fun-clause
-        "f"
-        (list (list :p-var "x"))
-        (list :op "+" (list :var "x") (list :int 1))))
-    (list :app (list :var "f") (list :int 5))))
-
-(hk-test
-  "let with guards"
-  (hk-parse "let f x | x > 0 = x\n        | otherwise = 0\nin f 3")
-  (list
-    :let
-    (list
-      (list
-        :fun-clause
-        "f"
-        (list (list :p-var "x"))
-        (list
-          :guarded
-          (list
-            (list
-              :guard
-              (list :op ">" (list :var "x") (list :int 0))
-              (list :var "x"))
-            (list
-              :guard
-              (list :var "otherwise")
-              (list :int 0))))))
-    (list :app (list :var "f") (list :int 3))))
-
-(hk-test
-  "let funclause + where"
-  (hk-parse "let f x = y where y = x + 1\nin f 7")
-  (list
-    :let
-    (list
-      (list
-        :fun-clause
-        "f"
-        (list (list :p-var "x"))
-        (list
-          :where
-          (list :var "y")
-          (list
-            (list
-              :fun-clause
-              "y"
-              (list)
-              (list :op "+" (list :var "x") (list :int 1)))))))
-    (list :app (list :var "f") (list :int 7))))
-
-;; ── Nested: where inside where (via recursive hk-parse-decl) ──
-(hk-test
-  "where block can contain a type signature"
-  (hk-parse-top "f x = y\n  where y :: Int\n        y = x")
-  (hk-prog
-    (list
-      :fun-clause
-      "f"
-      (list (list :p-var "x"))
-      (list
-        :where
-        (list :var "y")
-        (list
-          (list :type-sig (list "y") (list :t-con "Int"))
-          (list
-            :fun-clause
-            "y"
-            (list)
-            (list :var "x")))))))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/parser-module.sx

@@ -1,202 +0,0 @@
-;; Module header + imports. The parser switches from (:program DECLS)
-;; to (:module NAME EXPORTS IMPORTS DECLS) as soon as a module header
-;; or any `import` decl appears.
-
-;; ── Module header ──
-(hk-test
-  "simple module, no exports"
-  (hk-parse-top "module M where\n  f = 1")
-  (list
-    :module
-    "M"
-    nil
-    (list)
-    (list (list :fun-clause "f" (list) (list :int 1)))))
-
-(hk-test
-  "module with dotted name"
-  (hk-parse-top "module Data.Map where\nf = 1")
-  (list
-    :module
-    "Data.Map"
-    nil
-    (list)
-    (list (list :fun-clause "f" (list) (list :int 1)))))
-
-(hk-test
-  "module with empty export list"
-  (hk-parse-top "module M () where\nf = 1")
-  (list
-    :module
-    "M"
-    (list)
-    (list)
-    (list (list :fun-clause "f" (list) (list :int 1)))))
-
-(hk-test
-  "module with exports (var, tycon-all, tycon-with)"
-  (hk-parse-top "module M (f, g, Maybe(..), List(Cons, Nil)) where\nf = 1\ng = 2")
-  (list
-    :module
-    "M"
-    (list
-      (list :ent-var "f")
-      (list :ent-var "g")
-      (list :ent-all "Maybe")
-      (list :ent-with "List" (list "Cons" "Nil")))
-    (list)
-    (list
-      (list :fun-clause "f" (list) (list :int 1))
-      (list :fun-clause "g" (list) (list :int 2)))))
-
-(hk-test
-  "module export list including another module"
-  (hk-parse-top "module M (module Foo, f) where\nf = 1")
-  (list
-    :module
-    "M"
-    (list (list :ent-module "Foo") (list :ent-var "f"))
-    (list)
-    (list (list :fun-clause "f" (list) (list :int 1)))))
-
-(hk-test
-  "module export with operator"
-  (hk-parse-top "module M ((+:), f) where\nf = 1")
-  (list
-    :module
-    "M"
-    (list (list :ent-var "+:") (list :ent-var "f"))
-    (list)
-    (list (list :fun-clause "f" (list) (list :int 1)))))
-
-(hk-test
-  "empty module body"
-  (hk-parse-top "module M where")
-  (list :module "M" nil (list) (list)))
-
-;; ── Imports ──
-(hk-test
-  "plain import"
-  (hk-parse-top "import Foo")
-  (list
-    :module
-    nil
-    nil
-    (list (list :import false "Foo" nil nil))
-    (list)))
-
-(hk-test
-  "qualified import"
-  (hk-parse-top "import qualified Data.Map")
-  (list
-    :module
-    nil
-    nil
-    (list (list :import true "Data.Map" nil nil))
-    (list)))
-
-(hk-test
-  "import with alias"
-  (hk-parse-top "import Data.Map as M")
-  (list
-    :module
-    nil
-    nil
-    (list (list :import false "Data.Map" "M" nil))
-    (list)))
-
-(hk-test
-  "import with explicit list"
-  (hk-parse-top "import Foo (bar, Baz(..), Quux(X, Y))")
-  (list
-    :module
-    nil
-    nil
-    (list
-      (list
-        :import
-        false
-        "Foo"
-        nil
-        (list
-          :spec-items
-          (list
-            (list :ent-var "bar")
-            (list :ent-all "Baz")
-            (list :ent-with "Quux" (list "X" "Y"))))))
-    (list)))
-
-(hk-test
-  "import hiding"
-  (hk-parse-top "import Foo hiding (x, y)")
-  (list
-    :module
-    nil
-    nil
-    (list
-      (list
-        :import
-        false
-        "Foo"
-        nil
-        (list
-          :spec-hiding
-          (list (list :ent-var "x") (list :ent-var "y")))))
-    (list)))
-
-(hk-test
-  "qualified + alias + hiding"
-  (hk-parse-top "import qualified Data.List as L hiding (sort)")
-  (list
-    :module
-    nil
-    nil
-    (list
-      (list
-        :import
-        true
-        "Data.List"
-        "L"
-        (list :spec-hiding (list (list :ent-var "sort")))))
-    (list)))
-
-;; ── Combinations ──
-(hk-test
-  "module with multiple imports and a decl"
-  (hk-parse-top "module M where\nimport Foo\nimport qualified Bar as B\nf = 1")
-  (list
-    :module
-    "M"
-    nil
-    (list
-      (list :import false "Foo" nil nil)
-      (list :import true "Bar" "B" nil))
-    (list (list :fun-clause "f" (list) (list :int 1)))))
-
-(hk-test
-  "headerless file with imports"
-  (hk-parse-top "import Foo\nimport Bar (baz)\nf = 1")
-  (list
-    :module
-    nil
-    nil
-    (list
-      (list :import false "Foo" nil nil)
-      (list
-        :import
-        false
-        "Bar"
-        nil
-        (list :spec-items (list (list :ent-var "baz")))))
-    (list (list :fun-clause "f" (list) (list :int 1)))))
-
-(hk-test
-  "plain program (no header, no imports) still uses :program"
-  (hk-parse-top "f = 1\ng = 2")
-  (list
-    :program
-    (list
-      (list :fun-clause "f" (list) (list :int 1))
-      (list :fun-clause "g" (list) (list :int 2)))))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/parser-patterns.sx

@@ -1,234 +0,0 @@
-;; Full-pattern parser tests: as-patterns, lazy ~, negative literals,
-;; infix constructor patterns (`:`, any consym), lambda pattern args,
-;; and let pattern-bindings.
-
-;; ── as-patterns ──
-(hk-test
-  "as pattern, wraps constructor"
-  (hk-parse "case x of n@(Just y) -> n")
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list
-        :alt
-        (list
-          :p-as
-          "n"
-          (list :p-con "Just" (list (list :p-var "y"))))
-        (list :var "n")))))
-
-(hk-test
-  "as pattern, wraps wildcard"
-  (hk-parse "case x of all@_ -> all")
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list
-        :alt
-        (list :p-as "all" (list :p-wild))
-        (list :var "all")))))
-
-(hk-test
-  "as in lambda"
-  (hk-parse "\\xs@(a : rest) -> xs")
-  (list
-    :lambda
-    (list
-      (list
-        :p-as
-        "xs"
-        (list
-          :p-con
-          ":"
-          (list (list :p-var "a") (list :p-var "rest")))))
-    (list :var "xs")))
-
-;; ── lazy patterns ──
-(hk-test
-  "lazy var"
-  (hk-parse "case x of ~y -> y")
-  (list
-    :case
-    (list :var "x")
-    (list
-      (list :alt (list :p-lazy (list :p-var "y")) (list :var "y")))))
-
-(hk-test
-  "lazy constructor"
-  (hk-parse "\\(~(Just x)) -> x")
-  (list
-    :lambda
-    (list
-      (list
-        :p-lazy
-        (list :p-con "Just" (list (list :p-var "x")))))
-    (list :var "x")))
-
-;; ── negative literal patterns ──
-(hk-test
-  "negative int pattern"
-  (hk-parse "case n of\n  -1 -> 0\n  _ -> n")
-  (list
-    :case
-    (list :var "n")
-    (list
-      (list :alt (list :p-int -1) (list :int 0))
-      (list :alt (list :p-wild) (list :var "n")))))
-
-(hk-test
-  "negative float pattern"
-  (hk-parse "case x of -0.5 -> 1")
-  (list
-    :case
-    (list :var "x")
-    (list (list :alt (list :p-float -0.5) (list :int 1)))))
-
-;; ── infix constructor patterns (`:` and any consym) ──
-(hk-test
-  "cons pattern"
-  (hk-parse "case xs of x : rest -> x")
-  (list
-    :case
-    (list :var "xs")
-    (list
-      (list
-        :alt
-        (list
-          :p-con
-          ":"
-          (list (list :p-var "x") (list :p-var "rest")))
-        (list :var "x")))))
-
-(hk-test
-  "cons is right-associative in pats"
-  (hk-parse "case xs of a : b : rest -> rest")
-  (list
-    :case
-    (list :var "xs")
-    (list
-      (list
-        :alt
-        (list
-          :p-con
-          ":"
-          (list
-            (list :p-var "a")
-            (list
-              :p-con
-              ":"
-              (list (list :p-var "b") (list :p-var "rest")))))
-        (list :var "rest")))))
-
-(hk-test
-  "consym pattern"
-  (hk-parse "case p of a :+: b -> a")
-  (list
-    :case
-    (list :var "p")
-    (list
-      (list
-        :alt
-        (list
-          :p-con
-          ":+:"
-          (list (list :p-var "a") (list :p-var "b")))
-        (list :var "a")))))
-
-;; ── lambda with pattern args ──
-(hk-test
-  "lambda with constructor pattern"
-  (hk-parse "\\(Just x) -> x")
-  (list
-    :lambda
-    (list (list :p-con "Just" (list (list :p-var "x"))))
-    (list :var "x")))
-
-(hk-test
-  "lambda with tuple pattern"
-  (hk-parse "\\(a, b) -> a + b")
-  (list
-    :lambda
-    (list
-      (list
-        :p-tuple
-        (list (list :p-var "a") (list :p-var "b"))))
-    (list :op "+" (list :var "a") (list :var "b"))))
-
-(hk-test
-  "lambda with wildcard"
-  (hk-parse "\\_ -> 42")
-  (list :lambda (list (list :p-wild)) (list :int 42)))
-
-(hk-test
-  "lambda with mixed apats"
-  (hk-parse "\\x _ (Just y) -> y")
-  (list
-    :lambda
-    (list
-      (list :p-var "x")
-      (list :p-wild)
-      (list :p-con "Just" (list (list :p-var "y"))))
-    (list :var "y")))
-
-;; ── let pattern-bindings ──
-(hk-test
-  "let tuple pattern-binding"
-  (hk-parse "let (x, y) = pair in x + y")
-  (list
-    :let
-    (list
-      (list
-        :bind
-        (list
-          :p-tuple
-          (list (list :p-var "x") (list :p-var "y")))
-        (list :var "pair")))
-    (list :op "+" (list :var "x") (list :var "y"))))
-
-(hk-test
-  "let constructor pattern-binding"
-  (hk-parse "let Just x = m in x")
-  (list
-    :let
-    (list
-      (list
-        :bind
-        (list :p-con "Just" (list (list :p-var "x")))
-        (list :var "m")))
-    (list :var "x")))
-
-(hk-test
-  "let cons pattern-binding"
-  (hk-parse "let (x : rest) = xs in x")
-  (list
-    :let
-    (list
-      (list
-        :bind
-        (list
-          :p-con
-          ":"
-          (list (list :p-var "x") (list :p-var "rest")))
-        (list :var "xs")))
-    (list :var "x")))
-
-;; ── do with constructor-pattern binds ──
-(hk-test
-  "do bind to tuple pattern"
-  (hk-parse "do\n  (a, b) <- pairs\n  return a")
-  (list
-    :do
-    (list
-      (list
-        :do-bind
-        (list
-          :p-tuple
-          (list (list :p-var "a") (list :p-var "b")))
-        (list :var "pairs"))
-      (list
-        :do-expr
-        (list :app (list :var "return") (list :var "a"))))))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/parser-sect-comp.sx

@@ -1,191 +0,0 @@
-;; Operator sections and list comprehensions.
-
-;; ── Operator references (unchanged expr shape) ──
-(hk-test
-  "op as value (+)"
-  (hk-parse "(+)")
-  (list :var "+"))
-
-(hk-test
-  "op as value (-)"
-  (hk-parse "(-)")
-  (list :var "-"))
-
-(hk-test
-  "op as value (:)"
-  (hk-parse "(:)")
-  (list :var ":"))
-
-(hk-test
-  "backtick op as value"
-  (hk-parse "(`div`)")
-  (list :var "div"))
-
-;; ── Right sections (op expr) ──
-(hk-test
-  "right section (+ 5)"
-  (hk-parse "(+ 5)")
-  (list :sect-right "+" (list :int 5)))
-
-(hk-test
-  "right section (* x)"
-  (hk-parse "(* x)")
-  (list :sect-right "*" (list :var "x")))
-
-(hk-test
-  "right section with backtick op"
-  (hk-parse "(`div` 2)")
-  (list :sect-right "div" (list :int 2)))
-
-;; `-` is unary in expr position — (- 5) is negation, not a right section
-(hk-test
-  "(- 5) is negation, not a section"
-  (hk-parse "(- 5)")
-  (list :neg (list :int 5)))
-
-;; ── Left sections (expr op) ──
-(hk-test
-  "left section (5 +)"
-  (hk-parse "(5 +)")
-  (list :sect-left "+" (list :int 5)))
-
-(hk-test
-  "left section with backtick"
-  (hk-parse "(x `mod`)")
-  (list :sect-left "mod" (list :var "x")))
-
-(hk-test
-  "left section with cons (x :)"
-  (hk-parse "(x :)")
-  (list :sect-left ":" (list :var "x")))
-
-;; ── Mixed / nesting ──
-(hk-test
-  "map (+ 1) xs"
-  (hk-parse "map (+ 1) xs")
-  (list
-    :app
-    (list
-      :app
-      (list :var "map")
-      (list :sect-right "+" (list :int 1)))
-    (list :var "xs")))
-
-(hk-test
-  "filter (< 0) xs"
-  (hk-parse "filter (< 0) xs")
-  (list
-    :app
-    (list
-      :app
-      (list :var "filter")
-      (list :sect-right "<" (list :int 0)))
-    (list :var "xs")))
-
-;; ── Plain parens and tuples still work ──
-(hk-test
-  "plain parens unwrap"
-  (hk-parse "(1 + 2)")
-  (list :op "+" (list :int 1) (list :int 2)))
-
-(hk-test
-  "tuple still parses"
-  (hk-parse "(a, b, c)")
-  (list
-    :tuple
-    (list (list :var "a") (list :var "b") (list :var "c"))))
-
-;; ── List comprehensions ──
-(hk-test
-  "simple list comprehension"
-  (hk-parse "[x | x <- xs]")
-  (list
-    :list-comp
-    (list :var "x")
-    (list
-      (list :q-gen (list :p-var "x") (list :var "xs")))))
-
-(hk-test
-  "comprehension with filter"
-  (hk-parse "[x * 2 | x <- xs, x > 0]")
-  (list
-    :list-comp
-    (list :op "*" (list :var "x") (list :int 2))
-    (list
-      (list :q-gen (list :p-var "x") (list :var "xs"))
-      (list
-        :q-guard
-        (list :op ">" (list :var "x") (list :int 0))))))
-
-(hk-test
-  "comprehension with let"
-  (hk-parse "[y | x <- xs, let y = x + 1]")
-  (list
-    :list-comp
-    (list :var "y")
-    (list
-      (list :q-gen (list :p-var "x") (list :var "xs"))
-      (list
-        :q-let
-        (list
-          (list
-            :bind
-            (list :p-var "y")
-            (list :op "+" (list :var "x") (list :int 1))))))))
-
-(hk-test
-  "nested generators"
-  (hk-parse "[(x, y) | x <- xs, y <- ys]")
-  (list
-    :list-comp
-    (list :tuple (list (list :var "x") (list :var "y")))
-    (list
-      (list :q-gen (list :p-var "x") (list :var "xs"))
-      (list :q-gen (list :p-var "y") (list :var "ys")))))
-
-(hk-test
-  "comprehension with constructor pattern"
-  (hk-parse "[v | Just v <- xs]")
-  (list
-    :list-comp
-    (list :var "v")
-    (list
-      (list
-        :q-gen
-        (list :p-con "Just" (list (list :p-var "v")))
-        (list :var "xs")))))
-
-(hk-test
-  "comprehension with tuple pattern"
-  (hk-parse "[x + y | (x, y) <- pairs]")
-  (list
-    :list-comp
-    (list :op "+" (list :var "x") (list :var "y"))
-    (list
-      (list
-        :q-gen
-        (list
-          :p-tuple
-          (list (list :p-var "x") (list :p-var "y")))
-        (list :var "pairs")))))
-
-(hk-test
-  "combination: generator, let, guard"
-  (hk-parse "[z | x <- xs, let z = x * 2, z > 10]")
-  (list
-    :list-comp
-    (list :var "z")
-    (list
-      (list :q-gen (list :p-var "x") (list :var "xs"))
-      (list
-        :q-let
-        (list
-          (list
-            :bind
-            (list :p-var "z")
-            (list :op "*" (list :var "x") (list :int 2)))))
-      (list
-        :q-guard
-        (list :op ">" (list :var "z") (list :int 10))))))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/prelude-extra.sx

@@ -1,234 +0,0 @@
-;; prelude-extra.sx — tests for Phase 6 prelude additions:
-;; ord/isAlpha/isDigit/isSpace/isUpper/isLower/isAlphaNum/digitToInt
-;; words/lines/unwords/unlines/sort/nub/splitAt/span/break
-;; partition/intercalate/intersperse/isPrefixOf/isSuffixOf/isInfixOf
-
-;; ── ord ──────────────────────────────────────────────────────
-(hk-test "ord 'A'" (hk-eval-expr-source "ord 'A'") 65)
-(hk-test "ord 'a'" (hk-eval-expr-source "ord 'a'") 97)
-(hk-test "ord '0'" (hk-eval-expr-source "ord '0'") 48)
-
-;; ── isAlpha / isDigit / isSpace / isUpper / isLower ──────────
-(hk-test
-  "isAlpha 'a' True"
-  (hk-eval-expr-source "isAlpha 'a'")
-  (list "True"))
-(hk-test
-  "isAlpha 'Z' True"
-  (hk-eval-expr-source "isAlpha 'Z'")
-  (list "True"))
-(hk-test
-  "isAlpha '3' False"
-  (hk-eval-expr-source "isAlpha '3'")
-  (list "False"))
-(hk-test
-  "isDigit '5' True"
-  (hk-eval-expr-source "isDigit '5'")
-  (list "True"))
-(hk-test
-  "isDigit 'a' False"
-  (hk-eval-expr-source "isDigit 'a'")
-  (list "False"))
-(hk-test
-  "isSpace ' ' True"
-  (hk-eval-expr-source "isSpace ' '")
-  (list "True"))
-(hk-test
-  "isSpace 'x' False"
-  (hk-eval-expr-source "isSpace 'x'")
-  (list "False"))
-(hk-test
-  "isUpper 'A' True"
-  (hk-eval-expr-source "isUpper 'A'")
-  (list "True"))
-(hk-test
-  "isUpper 'a' False"
-  (hk-eval-expr-source "isUpper 'a'")
-  (list "False"))
-(hk-test
-  "isLower 'z' True"
-  (hk-eval-expr-source "isLower 'z'")
-  (list "True"))
-(hk-test
-  "isLower 'Z' False"
-  (hk-eval-expr-source "isLower 'Z'")
-  (list "False"))
-(hk-test
-  "isAlphaNum '3' True"
-  (hk-eval-expr-source "isAlphaNum '3'")
-  (list "True"))
-(hk-test
-  "isAlphaNum 'b' True"
-  (hk-eval-expr-source "isAlphaNum 'b'")
-  (list "True"))
-(hk-test
-  "isAlphaNum '!' False"
-  (hk-eval-expr-source "isAlphaNum '!'")
-  (list "False"))
-
-;; ── digitToInt ───────────────────────────────────────────────
-(hk-test "digitToInt '0'" (hk-eval-expr-source "digitToInt '0'") 0)
-(hk-test "digitToInt '7'" (hk-eval-expr-source "digitToInt '7'") 7)
-(hk-test "digitToInt '9'" (hk-eval-expr-source "digitToInt '9'") 9)
-
-;; ── words ────────────────────────────────────────────────────
-(hk-test
-  "words single"
-  (hk-deep-force (hk-eval-expr-source "words \"hello\""))
-  (list ":" "hello" (list "[]")))
-
-(hk-test
-  "words two"
-  (hk-deep-force (hk-eval-expr-source "words \"hello world\""))
-  (list ":" "hello" (list ":" "world" (list "[]"))))
-
-(hk-test
-  "words leading/trailing spaces"
-  (hk-deep-force (hk-eval-expr-source "words \"  foo  bar  \""))
-  (list ":" "foo" (list ":" "bar" (list "[]"))))
-
-(hk-test
-  "words empty string"
-  (hk-deep-force (hk-eval-expr-source "words \"\""))
-  (list "[]"))
-
-;; ── lines ────────────────────────────────────────────────────
-(hk-test
-  "lines single no newline"
-  (hk-deep-force (hk-eval-expr-source "lines \"hello\""))
-  (list ":" "hello" (list "[]")))
-
-(hk-test
-  "lines two lines"
-  (hk-deep-force (hk-eval-expr-source "lines \"a\\nb\""))
-  (list ":" "a" (list ":" "b" (list "[]"))))
-
-(hk-test
-  "lines trailing newline"
-  (hk-deep-force (hk-eval-expr-source "lines \"a\\n\""))
-  (list ":" "a" (list "[]")))
-
-(hk-test
-  "lines empty string"
-  (hk-deep-force (hk-eval-expr-source "lines \"\""))
-  (list "[]"))
-
-;; ── unwords / unlines ────────────────────────────────────────
-(hk-test
-  "unwords two"
-  (hk-eval-expr-source "unwords [\"hello\", \"world\"]")
-  "hello world")
-
-(hk-test "unwords empty" (hk-eval-expr-source "unwords []") "")
-
-(hk-test "unlines two" (hk-eval-expr-source "unlines [\"a\", \"b\"]") "a\nb\n")
-
-;; ── sort / nub ───────────────────────────────────────────────
-(hk-test
-  "sort ascending"
-  (hk-deep-force (hk-eval-expr-source "sort [3,1,2]"))
-  (list ":" 1 (list ":" 2 (list ":" 3 (list "[]")))))
-
-(hk-test
-  "sort already sorted"
-  (hk-deep-force (hk-eval-expr-source "sort [1,2,3]"))
-  (list ":" 1 (list ":" 2 (list ":" 3 (list "[]")))))
-
-(hk-test
-  "nub removes duplicates"
-  (hk-deep-force (hk-eval-expr-source "nub [1,2,1,3,2]"))
-  (list ":" 1 (list ":" 2 (list ":" 3 (list "[]")))))
-
-(hk-test
-  "nub no duplicates unchanged"
-  (hk-deep-force (hk-eval-expr-source "nub [1,2,3]"))
-  (list ":" 1 (list ":" 2 (list ":" 3 (list "[]")))))
-
-;; ── splitAt ──────────────────────────────────────────────────
-(hk-test
-  "splitAt 2"
-  (hk-deep-force (hk-eval-expr-source "splitAt 2 [1,2,3,4]"))
-  (list
-    "Tuple"
-    (list ":" 1 (list ":" 2 (list "[]")))
-    (list ":" 3 (list ":" 4 (list "[]")))))
-
-(hk-test
-  "splitAt 0"
-  (hk-deep-force (hk-eval-expr-source "splitAt 0 [1,2,3]"))
-  (list
-    "Tuple"
-    (list "[]")
-    (list ":" 1 (list ":" 2 (list ":" 3 (list "[]"))))))
-
-;; ── span / break ─────────────────────────────────────────────
-(hk-test
-  "span digits"
-  (hk-deep-force (hk-eval-expr-source "span (\\x -> x < 3) [1,2,3,4]"))
-  (list
-    "Tuple"
-    (list ":" 1 (list ":" 2 (list "[]")))
-    (list ":" 3 (list ":" 4 (list "[]")))))
-
-(hk-test
-  "break digits"
-  (hk-deep-force (hk-eval-expr-source "break (\\x -> x >= 3) [1,2,3,4]"))
-  (list
-    "Tuple"
-    (list ":" 1 (list ":" 2 (list "[]")))
-    (list ":" 3 (list ":" 4 (list "[]")))))
-
-;; ── partition ────────────────────────────────────────────────
-(hk-test
-  "partition even/odd"
-  (hk-deep-force
-    (hk-eval-expr-source "partition (\\x -> x `mod` 2 == 0) [1,2,3,4,5]"))
-  (list
-    "Tuple"
-    (list ":" 2 (list ":" 4 (list "[]")))
-    (list ":" 1 (list ":" 3 (list ":" 5 (list "[]"))))))
-
-;; ── intercalate / intersperse ────────────────────────────────
-(hk-test
-  "intercalate"
-  (hk-eval-expr-source "intercalate \", \" [\"a\", \"b\", \"c\"]")
-  "a, b, c")
-
-(hk-test
-  "intersperse"
-  (hk-deep-force (hk-eval-expr-source "intersperse 0 [1,2,3]"))
-  (list
-    ":"
-    1
-    (list
-      ":"
-      0
-      (list ":" 2 (list ":" 0 (list ":" 3 (list "[]")))))))
-
-;; ── isPrefixOf / isSuffixOf / isInfixOf ──────────────────────
-(hk-test
-  "isPrefixOf True"
-  (hk-deep-force (hk-eval-expr-source "isPrefixOf [1,2] [1,2,3]"))
-  (list "True"))
-
-(hk-test
-  "isPrefixOf False"
-  (hk-deep-force (hk-eval-expr-source "isPrefixOf [2,3] [1,2,3]"))
-  (list "False"))
-
-(hk-test
-  "isSuffixOf True"
-  (hk-deep-force (hk-eval-expr-source "isSuffixOf [2,3] [1,2,3]"))
-  (list "True"))
-
-(hk-test
-  "isInfixOf True"
-  (hk-deep-force (hk-eval-expr-source "isInfixOf [2,3] [1,2,3,4]"))
-  (list "True"))
-
-(hk-test
-  "isInfixOf False"
-  (hk-deep-force (hk-eval-expr-source "isInfixOf [5,6] [1,2,3,4]"))
-  (list "False"))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-anagram.sx

@@ -1,70 +0,0 @@
-;; anagram.hs — anagram detection using sort.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-ana-src
-  "isAnagram xs ys = sort xs == sort ys\n\nhasAnagram needle haystack = any (isAnagram needle) haystack\n")
-
-(hk-test
-  "isAnagram [1,2,3] [3,2,1] True"
-  (hk-prog-val (str hk-ana-src "r = isAnagram [1,2,3] [3,2,1]\n") "r")
-  (list "True"))
-
-(hk-test
-  "isAnagram [1,2,3] [1,2,4] False"
-  (hk-prog-val (str hk-ana-src "r = isAnagram [1,2,3] [1,2,4]\n") "r")
-  (list "False"))
-
-(hk-test
-  "isAnagram [] [] True"
-  (hk-prog-val (str hk-ana-src "r = isAnagram [] []\n") "r")
-  (list "True"))
-
-(hk-test
-  "isAnagram [1] [1] True"
-  (hk-prog-val (str hk-ana-src "r = isAnagram [1] [1]\n") "r")
-  (list "True"))
-
-(hk-test
-  "isAnagram [1,2] [2,1] True"
-  (hk-prog-val (str hk-ana-src "r = isAnagram [1,2] [2,1]\n") "r")
-  (list "True"))
-
-(hk-test
-  "isAnagram [1,1,2] [2,1,1] True"
-  (hk-prog-val (str hk-ana-src "r = isAnagram [1,1,2] [2,1,1]\n") "r")
-  (list "True"))
-
-(hk-test
-  "isAnagram [1,2] [1,2,3] False"
-  (hk-prog-val (str hk-ana-src "r = isAnagram [1,2] [1,2,3]\n") "r")
-  (list "False"))
-
-(hk-test
-  "hasAnagram [1,2] [[3,4],[2,1],[5,6]] True"
-  (hk-prog-val
-    (str hk-ana-src "r = hasAnagram [1,2] [[3,4],[2,1],[5,6]]\n")
-    "r")
-  (list "True"))
-
-(hk-test
-  "hasAnagram [1,2] [[3,4],[5,6]] False"
-  (hk-prog-val (str hk-ana-src "r = hasAnagram [1,2] [[3,4],[5,6]]\n") "r")
-  (list "False"))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-binary.sx

@@ -1,83 +0,0 @@
-;; binary.hs — integer binary representation using explicit recursion.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-bin-src
-  "toBits 0 = []\ntoBits n = (n `mod` 2) : toBits (n `div` 2)\n\ntoBin 0 = [0]\ntoBin n = reverse (toBits n)\n\naddBit acc b = acc * 2 + b\nfromBin bits = foldl addBit 0 bits\n\nnumBits 0 = 1\nnumBits n = length (toBits n)\n")
-
-(hk-test
-  "toBin 0 = [0]"
-  (hk-as-list (hk-prog-val (str hk-bin-src "r = toBin 0\n") "r"))
-  (list 0))
-
-(hk-test
-  "toBin 1 = [1]"
-  (hk-as-list (hk-prog-val (str hk-bin-src "r = toBin 1\n") "r"))
-  (list 1))
-
-(hk-test
-  "toBin 2 = [1,0]"
-  (hk-as-list (hk-prog-val (str hk-bin-src "r = toBin 2\n") "r"))
-  (list 1 0))
-
-(hk-test
-  "toBin 3 = [1,1]"
-  (hk-as-list (hk-prog-val (str hk-bin-src "r = toBin 3\n") "r"))
-  (list 1 1))
-
-(hk-test
-  "toBin 4 = [1,0,0]"
-  (hk-as-list (hk-prog-val (str hk-bin-src "r = toBin 4\n") "r"))
-  (list 1 0 0))
-
-(hk-test
-  "toBin 7 = [1,1,1]"
-  (hk-as-list (hk-prog-val (str hk-bin-src "r = toBin 7\n") "r"))
-  (list 1 1 1))
-
-(hk-test
-  "toBin 8 = [1,0,0,0]"
-  (hk-as-list (hk-prog-val (str hk-bin-src "r = toBin 8\n") "r"))
-  (list 1 0 0 0))
-
-(hk-test
-  "fromBin [0] = 0"
-  (hk-prog-val (str hk-bin-src "r = fromBin [0]\n") "r")
-  0)
-
-(hk-test
-  "fromBin [1] = 1"
-  (hk-prog-val (str hk-bin-src "r = fromBin [1]\n") "r")
-  1)
-
-(hk-test
-  "fromBin [1,0,1] = 5"
-  (hk-prog-val (str hk-bin-src "r = fromBin [1,0,1]\n") "r")
-  5)
-
-(hk-test
-  "fromBin [1,1,1] = 7"
-  (hk-prog-val (str hk-bin-src "r = fromBin [1,1,1]\n") "r")
-  7)
-
-(hk-test
-  "roundtrip: fromBin (toBin 13) = 13"
-  (hk-prog-val (str hk-bin-src "r = fromBin (toBin 13)\n") "r")
-  13)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-calculator.sx

@@ -1,55 +0,0 @@
-;; calculator.hs — recursive descent expression evaluator.
-;;
-;; Exercises:
-;;   - ADTs with constructor fields: TNum Int, TOp String, R Int [Token]
-;;   - Nested constructor pattern matching: (R v (TOp "+":rest))
-;;   - let bindings in function bodies
-;;   - Integer arithmetic including `div` (backtick infix)
-;;   - Left-associative multi-level operator precedence
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-calc-src
-  "data Token = TNum Int | TOp String\ndata Result = R Int [Token]\ngetV (R v _) = v\ngetR (R _ r) = r\neval ts = getV (parseExpr ts)\nparseExpr ts = parseExprRest (parseTerm ts)\nparseExprRest (R v (TOp \"+\":rest)) =\n  let t = parseTerm rest\n  in parseExprRest (R (v + getV t) (getR t))\nparseExprRest (R v (TOp \"-\":rest)) =\n  let t = parseTerm rest\n  in parseExprRest (R (v - getV t) (getR t))\nparseExprRest r = r\nparseTerm ts = parseTermRest (parseFactor ts)\nparseTermRest (R v (TOp \"*\":rest)) =\n  let t = parseFactor rest\n  in parseTermRest (R (v * getV t) (getR t))\nparseTermRest (R v (TOp \"/\":rest)) =\n  let t = parseFactor rest\n  in parseTermRest (R (v `div` getV t) (getR t))\nparseTermRest r = r\nparseFactor (TNum n:rest) = R n rest\n")
-
-(hk-test
-  "calculator: 2 + 3 = 5"
-  (hk-prog-val
-    (str hk-calc-src "result = eval [TNum 2, TOp \"+\", TNum 3]\n")
-    "result")
-  5)
-
-(hk-test
-  "calculator: 2 + 3 * 4 = 14 (precedence)"
-  (hk-prog-val
-    (str hk-calc-src "result = eval [TNum 2, TOp \"+\", TNum 3, TOp \"*\", TNum 4]\n")
-    "result")
-  14)
-
-(hk-test
-  "calculator: 10 - 3 - 2 = 5 (left-assoc)"
-  (hk-prog-val
-    (str hk-calc-src "result = eval [TNum 10, TOp \"-\", TNum 3, TOp \"-\", TNum 2]\n")
-    "result")
-  5)
-
-(hk-test
-  "calculator: 6 / 2 * 3 = 9 (left-assoc)"
-  (hk-prog-val
-    (str hk-calc-src "result = eval [TNum 6, TOp \"/\", TNum 2, TOp \"*\", TNum 3]\n")
-    "result")
-  9)
-
-(hk-test
-  "calculator: single number"
-  (hk-prog-val
-    (str hk-calc-src "result = eval [TNum 42]\n")
-    "result")
-  42)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-collatz.sx

@@ -1,83 +0,0 @@
-;; collatz.hs — Collatz (3n+1) sequences.
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-col-src
-  "collatz 1 = [1]\ncollatz n = if n `mod` 2 == 0\n            then n : collatz (n `div` 2)\n            else n : collatz (3 * n + 1)\ncollatzLen n = length (collatz n)\n")
-
-(hk-test
-  "collatz 1 = [1]"
-  (hk-as-list (hk-prog-val (str hk-col-src "r = collatz 1\n") "r"))
-  (list 1))
-
-(hk-test
-  "collatz 2 = [2,1]"
-  (hk-as-list (hk-prog-val (str hk-col-src "r = collatz 2\n") "r"))
-  (list 2 1))
-
-(hk-test
-  "collatz 4 = [4,2,1]"
-  (hk-as-list (hk-prog-val (str hk-col-src "r = collatz 4\n") "r"))
-  (list 4 2 1))
-
-(hk-test
-  "collatz 6 starts 6,3,10"
-  (hk-as-list (hk-prog-val (str hk-col-src "r = take 3 (collatz 6)\n") "r"))
-  (list 6 3 10))
-
-(hk-test
-  "collatz 8 = [8,4,2,1]"
-  (hk-as-list (hk-prog-val (str hk-col-src "r = collatz 8\n") "r"))
-  (list 8 4 2 1))
-
-(hk-test
-  "collatzLen 1 = 1"
-  (hk-prog-val (str hk-col-src "r = collatzLen 1\n") "r")
-  1)
-
-(hk-test
-  "collatzLen 2 = 2"
-  (hk-prog-val (str hk-col-src "r = collatzLen 2\n") "r")
-  2)
-
-(hk-test
-  "collatzLen 4 = 3"
-  (hk-prog-val (str hk-col-src "r = collatzLen 4\n") "r")
-  3)
-
-(hk-test
-  "collatzLen 8 = 4"
-  (hk-prog-val (str hk-col-src "r = collatzLen 8\n") "r")
-  4)
-
-(hk-test
-  "collatzLen 16 = 5"
-  (hk-prog-val (str hk-col-src "r = collatzLen 16\n") "r")
-  5)
-
-(hk-test
-  "collatz last is always 1"
-  (hk-prog-val (str hk-col-src "r = last (collatz 27)\n") "r")
-  1)
-
-(hk-test
-  "collatz 3 = [3,10,5,16,8,4,2,1]"
-  (hk-as-list (hk-prog-val (str hk-col-src "r = collatz 3\n") "r"))
-  (list 3 10 5 16 8 4 2 1))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-either.sx

@@ -1,83 +0,0 @@
-;; either.hs — Either ADT operations via pattern matching.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-either-src
-  "safeDiv _ 0 = Left \"divide by zero\"\nsafeDiv x y = Right (x `div` y)\n\nfromRight _ (Right x) = x\nfromRight def (Left _) = def\n\nfromLeft (Left x) _ = x\nfromLeft _ def = def\n\nisRight (Right _) = True\nisRight (Left _) = False\n\nisLeft (Left _) = True\nisLeft (Right _) = False\n\nmapRight _ (Left e) = Left e\nmapRight f (Right x) = Right (f x)\n\ndouble x = x * 2\n")
-
-(hk-test
-  "safeDiv 10 2 = Right 5"
-  (hk-prog-val (str hk-either-src "r = safeDiv 10 2\n") "r")
-  (list "Right" 5))
-
-(hk-test
-  "safeDiv 7 0 = Left msg"
-  (hk-prog-val (str hk-either-src "r = safeDiv 7 0\n") "r")
-  (list "Left" "divide by zero"))
-
-(hk-test
-  "fromRight 0 (Right 42) = 42"
-  (hk-prog-val (str hk-either-src "r = fromRight 0 (Right 42)\n") "r")
-  42)
-
-(hk-test
-  "fromRight 0 (Left msg) = 0"
-  (hk-prog-val (str hk-either-src "r = fromRight 0 (Left \"err\")\n") "r")
-  0)
-
-(hk-test
-  "isRight (Right 1) = True"
-  (hk-prog-val (str hk-either-src "r = isRight (Right 1)\n") "r")
-  (list "True"))
-
-(hk-test
-  "isRight (Left x) = False"
-  (hk-prog-val (str hk-either-src "r = isRight (Left \"x\")\n") "r")
-  (list "False"))
-
-(hk-test
-  "isLeft (Left x) = True"
-  (hk-prog-val (str hk-either-src "r = isLeft (Left \"x\")\n") "r")
-  (list "True"))
-
-(hk-test
-  "isLeft (Right x) = False"
-  (hk-prog-val (str hk-either-src "r = isLeft (Right 1)\n") "r")
-  (list "False"))
-
-(hk-test
-  "mapRight double (Right 5) = Right 10"
-  (hk-prog-val (str hk-either-src "r = mapRight double (Right 5)\n") "r")
-  (list "Right" 10))
-
-(hk-test
-  "mapRight double (Left e) = Left e"
-  (hk-prog-val (str hk-either-src "r = mapRight double (Left \"err\")\n") "r")
-  (list "Left" "err"))
-
-(hk-test
-  "chain safeDiv results"
-  (hk-prog-val (str hk-either-src "r = fromRight (-1) (safeDiv 20 4)\n") "r")
-  5)
-
-(hk-test
-  "chain safeDiv error"
-  (hk-prog-val (str hk-either-src "r = fromRight (-1) (safeDiv 20 0)\n") "r")
-  -1)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-fib.sx

@@ -1,45 +0,0 @@
-;; fib.hs — infinite Fibonacci stream classic program.
-;;
-;; The canonical artefact lives at lib/haskell/tests/programs/fib.hs.
-;; The source is mirrored here as an SX string because the evaluator
-;; doesn't have read-file in the default env. If you change one, keep
-;; the other in sync — there's a runner-level cross-check against the
-;; expected first-15 list.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define hk-as-list
-  (fn (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-fib-source
-  "zipPlus (x:xs) (y:ys) = x + y : zipPlus xs ys
-zipPlus _ _ = []
-myFibs = 0 : 1 : zipPlus myFibs (tail myFibs)
-result = take 15 myFibs
-")
-
-(hk-test
-  "fib.hs — first 15 Fibonacci numbers"
-  (hk-as-list (hk-prog-val hk-fib-source "result"))
-  (list 0 1 1 2 3 5 8 13 21 34 55 89 144 233 377))
-
-;; Spot-check that the user-defined zipPlus is also reachable
-(hk-test
-  "fib.hs — zipPlus is a multi-clause user fn"
-  (hk-as-list
-    (hk-prog-val
-      (str hk-fib-source "extra = zipPlus [1, 2, 3] [10, 20, 30]\n")
-      "extra"))
-  (list 11 22 33))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-fizzbuzz.sx

@@ -1,84 +0,0 @@
-;; fizzbuzz.hs — classic FizzBuzz with guards.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-fb-src
-  "fizzbuzz n\n  | n `mod` 15 == 0 = \"FizzBuzz\"\n  | n `mod` 3  == 0 = \"Fizz\"\n  | n `mod` 5  == 0 = \"Buzz\"\n  | otherwise       = \"Other\"\n")
-
-(hk-test
-  "fizzbuzz 1 = Other"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 1\n") "r")
-  "Other")
-
-(hk-test
-  "fizzbuzz 3 = Fizz"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 3\n") "r")
-  "Fizz")
-
-(hk-test
-  "fizzbuzz 5 = Buzz"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 5\n") "r")
-  "Buzz")
-
-(hk-test
-  "fizzbuzz 15 = FizzBuzz"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 15\n") "r")
-  "FizzBuzz")
-
-(hk-test
-  "fizzbuzz 30 = FizzBuzz"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 30\n") "r")
-  "FizzBuzz")
-
-(hk-test
-  "fizzbuzz 6 = Fizz"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 6\n") "r")
-  "Fizz")
-
-(hk-test
-  "fizzbuzz 10 = Buzz"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 10\n") "r")
-  "Buzz")
-
-(hk-test
-  "fizzbuzz 7 = Other"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 7\n") "r")
-  "Other")
-
-(hk-test
-  "fizzbuzz 9 = Fizz"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 9\n") "r")
-  "Fizz")
-
-(hk-test
-  "fizzbuzz 25 = Buzz"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 25\n") "r")
-  "Buzz")
-
-(hk-test
-  "map fizzbuzz [1..5] starts Other"
-  (hk-as-list
-    (hk-prog-val (str hk-fb-src "r = map fizzbuzz [1,2,3,4,5]\n") "r"))
-  (list "Other" "Other" "Fizz" "Other" "Buzz"))
-
-(hk-test
-  "fizzbuzz 45 = FizzBuzz"
-  (hk-prog-val (str hk-fb-src "r = fizzbuzz 45\n") "r")
-  "FizzBuzz")
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-io.sx

@@ -1,49 +0,0 @@
-;; program-io.sx — tests for real IO monad (putStrLn, print, putStr).
-
-(hk-test
-  "putStrLn single line"
-  (hk-run-io "main = putStrLn \"hello\"")
-  (list "hello"))
-
-(hk-test
-  "putStrLn two lines via do"
-  (hk-run-io "main = do { putStrLn \"a\"; putStrLn \"b\" }")
-  (list "a" "b"))
-
-(hk-test "print Int" (hk-run-io "main = print 42") (list "42"))
-
-(hk-test "print Bool True" (hk-run-io "main = print True") (list "True"))
-
-(hk-test
-  "putStr collects string"
-  (hk-run-io "main = putStr \"hello\"")
-  (list "hello"))
-
-(hk-test
-  "do with let then putStrLn"
-  (hk-run-io "main = do\n  let s = \"world\"\n  putStrLn s")
-  (list "world"))
-
-(hk-test
-  "do sequence three lines"
-  (hk-run-io "main = do { putStrLn \"1\"; putStrLn \"2\"; putStrLn \"3\" }")
-  (list "1" "2" "3"))
-
-(hk-test
-  "print computed value"
-  (hk-run-io "main = print (6 * 7)")
-  (list "42"))
-
-(hk-test
-  "putStrLn returns IO unit"
-  (hk-deep-force (hk-run "main = putStrLn \"hi\""))
-  (list "IO" (list "Tuple")))
-
-(hk-test
-  "hk-run-io resets between calls"
-  (begin
-    (hk-run-io "main = putStrLn \"first\"")
-    (hk-run-io "main = putStrLn \"second\""))
-  (list "second"))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-matrix.sx

@@ -1,84 +0,0 @@
-;; matrix.hs — transpose and 2D list operations.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-mat-src
-  "transpose [] = []\ntranspose ([] : _) = []\ntranspose xss = map head xss : transpose (map tail xss)\n\nmatAdd xss yss = zipWith (zipWith (+)) xss yss\n\ndiagonal [] = []\ndiagonal xss = head (head xss) : diagonal (map tail (tail xss))\n\nrowSum = map sum\ncolSum xss = map sum (transpose xss)\n")
-
-(hk-test
-  "transpose 2x2"
-  (hk-deep-force
-    (hk-prog-val (str hk-mat-src "r = transpose [[1,2],[3,4]]\n") "r"))
-  (list
-    ":"
-    (list ":" 1 (list ":" 3 (list "[]")))
-    (list ":" (list ":" 2 (list ":" 4 (list "[]"))) (list "[]"))))
-
-(hk-test
-  "transpose 1x3"
-  (hk-deep-force
-    (hk-prog-val (str hk-mat-src "r = transpose [[1,2,3]]\n") "r"))
-  (list
-    ":"
-    (list ":" 1 (list "[]"))
-    (list
-      ":"
-      (list ":" 2 (list "[]"))
-      (list ":" (list ":" 3 (list "[]")) (list "[]")))))
-
-(hk-test
-  "transpose empty = []"
-  (hk-as-list (hk-prog-val (str hk-mat-src "r = transpose []\n") "r"))
-  (list))
-
-(hk-test
-  "rowSum [[1,2],[3,4]] = [3,7]"
-  (hk-as-list (hk-prog-val (str hk-mat-src "r = rowSum [[1,2],[3,4]]\n") "r"))
-  (list 3 7))
-
-(hk-test
-  "colSum [[1,2],[3,4]] = [4,6]"
-  (hk-as-list (hk-prog-val (str hk-mat-src "r = colSum [[1,2],[3,4]]\n") "r"))
-  (list 4 6))
-
-(hk-test
-  "matAdd [[1,2],[3,4]] [[5,6],[7,8]] = [[6,8],[10,12]]"
-  (hk-deep-force
-    (hk-prog-val
-      (str hk-mat-src "r = matAdd [[1,2],[3,4]] [[5,6],[7,8]]\n")
-      "r"))
-  (list
-    ":"
-    (list ":" 6 (list ":" 8 (list "[]")))
-    (list ":" (list ":" 10 (list ":" 12 (list "[]"))) (list "[]"))))
-
-(hk-test
-  "diagonal [[1,2],[3,4]] = [1,4]"
-  (hk-as-list
-    (hk-prog-val (str hk-mat-src "r = diagonal [[1,2],[3,4]]\n") "r"))
-  (list 1 4))
-
-(hk-test
-  "diagonal 3x3"
-  (hk-as-list
-    (hk-prog-val
-      (str hk-mat-src "r = diagonal [[1,2,3],[4,5,6],[7,8,9]]\n")
-      "r"))
-  (list 1 5 9))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-maybe.sx

@@ -1,83 +0,0 @@
-;; maybe.hs — safe operations returning Maybe values.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-maybe-src
-  "safeDiv _ 0 = Nothing\nsafeDiv x y = Just (x `div` y)\n\nsafeHead [] = Nothing\nsafeHead (x:_) = Just x\n\nfromMaybeZero Nothing = 0\nfromMaybeZero (Just x) = x\n\nmapMaybe _ Nothing = Nothing\nmapMaybe f (Just x) = Just (f x)\n\ndouble x = x * 2\n")
-
-(hk-test
-  "safeDiv 10 2 = Just 5"
-  (hk-prog-val (str hk-maybe-src "r = safeDiv 10 2\n") "r")
-  (list "Just" 5))
-
-(hk-test
-  "safeDiv 7 0 = Nothing"
-  (hk-prog-val (str hk-maybe-src "r = safeDiv 7 0\n") "r")
-  (list "Nothing"))
-
-(hk-test
-  "safeHead [1,2,3] = Just 1"
-  (hk-prog-val (str hk-maybe-src "r = safeHead [1,2,3]\n") "r")
-  (list "Just" 1))
-
-(hk-test
-  "safeHead [] = Nothing"
-  (hk-prog-val (str hk-maybe-src "r = safeHead []\n") "r")
-  (list "Nothing"))
-
-(hk-test
-  "fromMaybeZero Nothing = 0"
-  (hk-prog-val (str hk-maybe-src "r = fromMaybeZero Nothing\n") "r")
-  0)
-
-(hk-test
-  "fromMaybeZero (Just 42) = 42"
-  (hk-prog-val (str hk-maybe-src "r = fromMaybeZero (Just 42)\n") "r")
-  42)
-
-(hk-test
-  "mapMaybe double Nothing = Nothing"
-  (hk-prog-val (str hk-maybe-src "r = mapMaybe double Nothing\n") "r")
-  (list "Nothing"))
-
-(hk-test
-  "mapMaybe double (Just 5) = Just 10"
-  (hk-prog-val (str hk-maybe-src "r = mapMaybe double (Just 5)\n") "r")
-  (list "Just" 10))
-
-(hk-test
-  "chain: fromMaybeZero (safeDiv 10 2) = 5"
-  (hk-prog-val (str hk-maybe-src "r = fromMaybeZero (safeDiv 10 2)\n") "r")
-  5)
-
-(hk-test
-  "chain: fromMaybeZero (safeDiv 10 0) = 0"
-  (hk-prog-val (str hk-maybe-src "r = fromMaybeZero (safeDiv 10 0)\n") "r")
-  0)
-
-(hk-test
-  "safeDiv 100 5 = Just 20"
-  (hk-prog-val (str hk-maybe-src "r = safeDiv 100 5\n") "r")
-  (list "Just" 20))
-
-(hk-test
-  "mapMaybe double (safeDiv 6 2) = Just 6"
-  (hk-prog-val (str hk-maybe-src "r = mapMaybe double (safeDiv 6 2)\n") "r")
-  (list "Just" 6))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-nqueens.sx

@@ -1,38 +0,0 @@
-;; nqueens.hs — n-queens solver via list comprehension + where.
-;;
-;; Also exercises:
-;;   - multi-clause let/where binding (go 0 = ...; go k = ...)
-;;   - list comprehensions (desugared to concatMap)
-;;   - abs (from Prelude)
-;;   - [1..n] finite range
-;;
-;; n=8 is too slow for a 60s timeout; n=4 and n=5 run in ~17s combined.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-nq-base
-  "queens n = go n
-  where
-    go 0 = [[]]
-    go k = [q:qs | qs <- go (k - 1), q <- [1..n], safe q qs]
-safe q qs = check q qs 1
-check q [] _ = True
-check q (c:cs) d = q /= c && abs (q - c) /= d && check q cs (d + 1)
-")
-
-(hk-test
-  "nqueens: queens 4 has 2 solutions"
-  (hk-prog-val (str hk-nq-base "result = length (queens 4)\n") "result")
-  2)
-
-(hk-test
-  "nqueens: queens 5 has 10 solutions"
-  (hk-prog-val (str hk-nq-base "result = length (queens 5)\n") "result")
-  10)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-palindrome.sx

@@ -1,86 +0,0 @@
-;; palindrome.hs — palindrome check via reverse comparison.
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define hk-pal-src "isPalindrome xs = xs == reverse xs\n")
-
-(hk-test
-  "isPalindrome empty"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome []\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPalindrome single"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome [1]\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPalindrome [1,2,1] True"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome [1,2,1]\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPalindrome [1,2,3] False"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome [1,2,3]\n") "r")
-  (list "False"))
-
-(hk-test
-  "isPalindrome [1,2,2,1] True"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome [1,2,2,1]\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPalindrome [1,2,3,4] False"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome [1,2,3,4]\n") "r")
-  (list "False"))
-
-(hk-test
-  "isPalindrome five odd True"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome [1,2,3,2,1]\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPalindrome racecar True"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome \"racecar\"\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPalindrome hello False"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome \"hello\"\n") "r")
-  (list "False"))
-
-(hk-test
-  "isPalindrome a True"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome \"a\"\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPalindrome madam True"
-  (hk-prog-val (str hk-pal-src "r = isPalindrome \"madam\"\n") "r")
-  (list "True"))
-
-(hk-test
-  "not-palindrome via map"
-  (hk-as-list
-    (hk-prog-val
-      (str hk-pal-src "r = filter isPalindrome [[1],[1,2],[1,2,1],[2,3]]\n")
-      "r"))
-  (list
-    (list ":" 1 (list "[]"))
-    (list ":" 1 (list ":" 2 (list ":" 1 (list "[]"))))))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-powers.sx

@@ -1,78 +0,0 @@
-;; powers.hs — integer exponentiation and powers-of-2 checks.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-pow-src
-  "pow _ 0 = 1\npow base n = base * pow base (n - 1)\n\npowers base k = map (pow base) [0..k]\n\nisPowerOf2 n\n  | n <= 0    = False\n  | n == 1    = True\n  | otherwise = n `mod` 2 == 0 && isPowerOf2 (n `div` 2)\n\nlog2 1 = 0\nlog2 n = 1 + log2 (n `div` 2)\n")
-
-(hk-test "pow 2 0 = 1" (hk-prog-val (str hk-pow-src "r = pow 2 0\n") "r") 1)
-
-(hk-test "pow 2 1 = 2" (hk-prog-val (str hk-pow-src "r = pow 2 1\n") "r") 2)
-
-(hk-test
-  "pow 2 8 = 256"
-  (hk-prog-val (str hk-pow-src "r = pow 2 8\n") "r")
-  256)
-
-(hk-test "pow 3 4 = 81" (hk-prog-val (str hk-pow-src "r = pow 3 4\n") "r") 81)
-
-(hk-test
-  "pow 10 3 = 1000"
-  (hk-prog-val (str hk-pow-src "r = pow 10 3\n") "r")
-  1000)
-
-(hk-test
-  "powers 2 4 = [1,2,4,8,16]"
-  (hk-as-list (hk-prog-val (str hk-pow-src "r = powers 2 4\n") "r"))
-  (list 1 2 4 8 16))
-
-(hk-test
-  "powers 3 3 = [1,3,9,27]"
-  (hk-as-list (hk-prog-val (str hk-pow-src "r = powers 3 3\n") "r"))
-  (list 1 3 9 27))
-
-(hk-test
-  "isPowerOf2 1 = True"
-  (hk-prog-val (str hk-pow-src "r = isPowerOf2 1\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPowerOf2 8 = True"
-  (hk-prog-val (str hk-pow-src "r = isPowerOf2 8\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPowerOf2 6 = False"
-  (hk-prog-val (str hk-pow-src "r = isPowerOf2 6\n") "r")
-  (list "False"))
-
-(hk-test
-  "isPowerOf2 0 = False"
-  (hk-prog-val (str hk-pow-src "r = isPowerOf2 0\n") "r")
-  (list "False"))
-
-(hk-test "log2 1 = 0" (hk-prog-val (str hk-pow-src "r = log2 1\n") "r") 0)
-
-(hk-test "log2 8 = 3" (hk-prog-val (str hk-pow-src "r = log2 8\n") "r") 3)
-
-(hk-test
-  "log2 1024 = 10"
-  (hk-prog-val (str hk-pow-src "r = log2 1024\n") "r")
-  10)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-primes.sx

@@ -1,83 +0,0 @@
-;; primes.hs — primality testing via trial division with where clauses.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-primes-src
-  "isPrime n\n  | n < 2    = False\n  | n == 2   = True\n  | otherwise = all notDiv [2..n-1]\n  where notDiv d = n `mod` d /= 0\n\nprimes20 = filter isPrime [2..20]\n\nnextPrime n = head (filter isPrime [n+1..])\n\ncountPrimes lo hi = length (filter isPrime [lo..hi])\n")
-
-(hk-test
-  "isPrime 2 = True"
-  (hk-prog-val (str hk-primes-src "r = isPrime 2\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPrime 3 = True"
-  (hk-prog-val (str hk-primes-src "r = isPrime 3\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPrime 4 = False"
-  (hk-prog-val (str hk-primes-src "r = isPrime 4\n") "r")
-  (list "False"))
-
-(hk-test
-  "isPrime 5 = True"
-  (hk-prog-val (str hk-primes-src "r = isPrime 5\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPrime 1 = False"
-  (hk-prog-val (str hk-primes-src "r = isPrime 1\n") "r")
-  (list "False"))
-
-(hk-test
-  "isPrime 0 = False"
-  (hk-prog-val (str hk-primes-src "r = isPrime 0\n") "r")
-  (list "False"))
-
-(hk-test
-  "isPrime 7 = True"
-  (hk-prog-val (str hk-primes-src "r = isPrime 7\n") "r")
-  (list "True"))
-
-(hk-test
-  "isPrime 9 = False"
-  (hk-prog-val (str hk-primes-src "r = isPrime 9\n") "r")
-  (list "False"))
-
-(hk-test
-  "isPrime 11 = True"
-  (hk-prog-val (str hk-primes-src "r = isPrime 11\n") "r")
-  (list "True"))
-
-(hk-test
-  "primes20 = [2,3,5,7,11,13,17,19]"
-  (hk-as-list (hk-prog-val (str hk-primes-src "r = primes20\n") "r"))
-  (list 2 3 5 7 11 13 17 19))
-
-(hk-test
-  "countPrimes 1 10 = 4"
-  (hk-prog-val (str hk-primes-src "r = countPrimes 1 10\n") "r")
-  4)
-
-(hk-test
-  "nextPrime 10 = 11"
-  (hk-prog-val (str hk-primes-src "r = nextPrime 10\n") "r")
-  11)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-quicksort.sx

@@ -1,65 +0,0 @@
-;; quicksort.hs — naive functional quicksort.
-
-(define
-  hk-as-list
-  (fn (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-qs-source
-  "qsort [] = []
-qsort (x:xs) = qsort smaller ++ [x] ++ qsort larger
-  where
-    smaller = filter (< x) xs
-    larger  = filter (>= x) xs
-result = qsort [3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5]
-")
-
-(hk-test
-  "quicksort.hs — sort a list of ints"
-  (hk-as-list (hk-prog-val hk-qs-source "result"))
-  (list 1 1 2 3 3 4 5 5 5 6 9))
-
-(hk-test
-  "quicksort.hs — empty list"
-  (hk-as-list
-    (hk-prog-val
-      (str hk-qs-source "e = qsort []\n")
-      "e"))
-  (list))
-
-(hk-test
-  "quicksort.hs — singleton"
-  (hk-as-list
-    (hk-prog-val
-      (str hk-qs-source "s = qsort [42]\n")
-      "s"))
-  (list 42))
-
-(hk-test
-  "quicksort.hs — already sorted"
-  (hk-as-list
-    (hk-prog-val
-      (str hk-qs-source "asc = qsort [1, 2, 3, 4, 5]\n")
-      "asc"))
-  (list 1 2 3 4 5))
-
-(hk-test
-  "quicksort.hs — reverse sorted"
-  (hk-as-list
-    (hk-prog-val
-      (str hk-qs-source "desc = qsort [5, 4, 3, 2, 1]\n")
-      "desc"))
-  (list 1 2 3 4 5))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-roman.sx

@@ -1,83 +0,0 @@
-;; roman.hs — convert integers to Roman numerals with guards + ++.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-rom-src
-  "toRoman 0 = \"\"\ntoRoman n\n  | n >= 1000 = \"M\"  ++ toRoman (n - 1000)\n  | n >= 900  = \"CM\" ++ toRoman (n - 900)\n  | n >= 500  = \"D\"  ++ toRoman (n - 500)\n  | n >= 400  = \"CD\" ++ toRoman (n - 400)\n  | n >= 100  = \"C\"  ++ toRoman (n - 100)\n  | n >= 90   = \"XC\" ++ toRoman (n - 90)\n  | n >= 50   = \"L\"  ++ toRoman (n - 50)\n  | n >= 40   = \"XL\" ++ toRoman (n - 40)\n  | n >= 10   = \"X\"  ++ toRoman (n - 10)\n  | n >= 9    = \"IX\" ++ toRoman (n - 9)\n  | n >= 5    = \"V\"  ++ toRoman (n - 5)\n  | n >= 4    = \"IV\" ++ toRoman (n - 4)\n  | otherwise = \"I\"  ++ toRoman (n - 1)\n")
-
-(hk-test
-  "toRoman 1 = I"
-  (hk-prog-val (str hk-rom-src "r = toRoman 1\n") "r")
-  "I")
-
-(hk-test
-  "toRoman 4 = IV"
-  (hk-prog-val (str hk-rom-src "r = toRoman 4\n") "r")
-  "IV")
-
-(hk-test
-  "toRoman 5 = V"
-  (hk-prog-val (str hk-rom-src "r = toRoman 5\n") "r")
-  "V")
-
-(hk-test
-  "toRoman 9 = IX"
-  (hk-prog-val (str hk-rom-src "r = toRoman 9\n") "r")
-  "IX")
-
-(hk-test
-  "toRoman 10 = X"
-  (hk-prog-val (str hk-rom-src "r = toRoman 10\n") "r")
-  "X")
-
-(hk-test
-  "toRoman 14 = XIV"
-  (hk-prog-val (str hk-rom-src "r = toRoman 14\n") "r")
-  "XIV")
-
-(hk-test
-  "toRoman 40 = XL"
-  (hk-prog-val (str hk-rom-src "r = toRoman 40\n") "r")
-  "XL")
-
-(hk-test
-  "toRoman 50 = L"
-  (hk-prog-val (str hk-rom-src "r = toRoman 50\n") "r")
-  "L")
-
-(hk-test
-  "toRoman 90 = XC"
-  (hk-prog-val (str hk-rom-src "r = toRoman 90\n") "r")
-  "XC")
-
-(hk-test
-  "toRoman 100 = C"
-  (hk-prog-val (str hk-rom-src "r = toRoman 100\n") "r")
-  "C")
-
-(hk-test
-  "toRoman 400 = CD"
-  (hk-prog-val (str hk-rom-src "r = toRoman 400\n") "r")
-  "CD")
-
-(hk-test
-  "toRoman 1000 = M"
-  (hk-prog-val (str hk-rom-src "r = toRoman 1000\n") "r")
-  "M")
-
-(hk-test
-  "toRoman 1994 = MCMXCIV"
-  (hk-prog-val (str hk-rom-src "r = toRoman 1994\n") "r")
-  "MCMXCIV")
-
-(hk-test
-  "toRoman 58 = LVIII"
-  (hk-prog-val (str hk-rom-src "r = toRoman 58\n") "r")
-  "LVIII")
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-sieve.sx

@@ -1,48 +0,0 @@
-;; sieve.hs — lazy sieve of Eratosthenes.
-;;
-;; The canonical artefact lives at lib/haskell/tests/programs/sieve.hs.
-;; Mirrored here as an SX string because the default eval env has no
-;; read-file. Uses filter + backtick `mod` + lazy [2..] — all of which
-;; are now wired in via Phase 3 + the mod/div additions to hk-binop.
-
-(define
-  hk-as-list
-  (fn (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-sieve-source
-  "sieve (p:xs) = p : sieve (filter (\\x -> x `mod` p /= 0) xs)
-sieve [] = []
-primes = sieve [2..]
-result = take 10 primes
-")
-
-(hk-test
-  "sieve.hs — first 10 primes"
-  (hk-as-list (hk-prog-val hk-sieve-source "result"))
-  (list 2 3 5 7 11 13 17 19 23 29))
-
-(hk-test
-  "sieve.hs — 20th prime is 71"
-  (nth
-    (hk-as-list
-      (hk-prog-val
-        (str
-          hk-sieve-source
-          "result20 = take 20 primes\n")
-        "result20"))
-    19)
-  71)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-wordcount.sx

@@ -1,74 +0,0 @@
-;; wordcount.hs — word and line counting via string splitting.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-wc-src
-  "wordCount s = length (words s)\nlineCount s = length (lines s)\ncharCount = length\n\nlongestWord s = foldl longer \"\" (words s)\n  where longer a b = if length a >= length b then a else b\n\nshortestWord s = foldl shorter (head (words s)) (words s)\n  where shorter a b = if length a <= length b then a else b\n\nuniqueWords s = nub (words s)\n")
-
-(hk-test
-  "wordCount single word"
-  (hk-prog-val (str hk-wc-src "r = wordCount \"hello\"\n") "r")
-  1)
-
-(hk-test
-  "wordCount two words"
-  (hk-prog-val (str hk-wc-src "r = wordCount \"hello world\"\n") "r")
-  2)
-
-(hk-test
-  "wordCount with extra spaces"
-  (hk-prog-val (str hk-wc-src "r = wordCount \"  foo  bar  \"\n") "r")
-  2)
-
-(hk-test
-  "wordCount empty = 0"
-  (hk-prog-val (str hk-wc-src "r = wordCount \"\"\n") "r")
-  0)
-
-(hk-test
-  "lineCount one line"
-  (hk-prog-val (str hk-wc-src "r = lineCount \"hello\"\n") "r")
-  1)
-
-(hk-test
-  "lineCount two lines"
-  (hk-prog-val (str hk-wc-src "r = lineCount \"a\\nb\"\n") "r")
-  2)
-
-(hk-test
-  "charCount \"hello\" = 5"
-  (hk-prog-val (str hk-wc-src "r = charCount \"hello\"\n") "r")
-  5)
-
-(hk-test
-  "charCount empty = 0"
-  (hk-prog-val (str hk-wc-src "r = charCount \"\"\n") "r")
-  0)
-
-(hk-test
-  "longestWord picks longest"
-  (hk-prog-val (str hk-wc-src "r = longestWord \"a bb ccc\"\n") "r")
-  "ccc")
-
-(hk-test
-  "uniqueWords removes duplicates"
-  (hk-as-list
-    (hk-prog-val (str hk-wc-src "r = uniqueWords \"a b a c b\"\n") "r"))
-  (list "a" "b" "c"))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/program-zipwith.sx

@@ -1,74 +0,0 @@
-;; zipwith.hs — zip, zipWith, unzip operations.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define
-  hk-as-list
-  (fn
-    (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-zip-src
-  "addPair (x, y) = x + y\npairSum xs ys = map addPair (zip xs ys)\n\nscaleBy k xs = map (\\x -> x * k) xs\n\ndotProduct xs ys = sum (zipWith (*) xs ys)\n\nzipIndex xs = zip [0..length xs - 1] xs\n")
-
-(hk-test
-  "zip two lists"
-  (hk-as-list (hk-prog-val (str hk-zip-src "r = zip [1,2,3] [4,5,6]\n") "r"))
-  (list (list "Tuple" 1 4) (list "Tuple" 2 5) (list "Tuple" 3 6)))
-
-(hk-test
-  "zip unequal lengths — shorter wins"
-  (hk-as-list (hk-prog-val (str hk-zip-src "r = zip [1,2] [10,20,30]\n") "r"))
-  (list (list "Tuple" 1 10) (list "Tuple" 2 20)))
-
-(hk-test
-  "zipWith (+)"
-  (hk-as-list
-    (hk-prog-val (str hk-zip-src "r = zipWith (+) [1,2,3] [10,20,30]\n") "r"))
-  (list 11 22 33))
-
-(hk-test
-  "zipWith (*)"
-  (hk-as-list
-    (hk-prog-val (str hk-zip-src "r = zipWith (*) [2,3,4] [10,10,10]\n") "r"))
-  (list 20 30 40))
-
-(hk-test
-  "dotProduct [1,2,3] [4,5,6] = 32"
-  (hk-prog-val (str hk-zip-src "r = dotProduct [1,2,3] [4,5,6]\n") "r")
-  32)
-
-(hk-test
-  "dotProduct unit vectors = 0"
-  (hk-prog-val (str hk-zip-src "r = dotProduct [1,0] [0,1]\n") "r")
-  0)
-
-(hk-test
-  "pairSum adds element-wise"
-  (hk-as-list
-    (hk-prog-val (str hk-zip-src "r = pairSum [1,2,3] [4,5,6]\n") "r"))
-  (list 5 7 9))
-
-(hk-test
-  "unzip separates pairs"
-  (hk-prog-val (str hk-zip-src "r = unzip [(1,2),(3,4),(5,6)]\n") "r")
-  (list
-    "Tuple"
-    (list ":" 1 (list ":" 3 (list ":" 5 (list "[]"))))
-    (list ":" 2 (list ":" 4 (list ":" 6 (list "[]"))))))
-
-(hk-test
-  "zip empty = []"
-  (hk-as-list (hk-prog-val (str hk-zip-src "r = zip [] [1,2,3]\n") "r"))
-  (list))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/programs/calculator.hs

@@ -1,40 +0,0 @@
--- calculator.hs — recursive descent expression evaluator.
---
--- Tokens are represented as an ADT; the parser threads a [Token] list
--- through a custom Result type so pattern matching can destructure the
--- pair (value, remaining-tokens) directly inside constructor patterns.
---
--- Operator precedence: * and / bind tighter than + and -.
--- All operators are left-associative.
-
-data Token = TNum Int | TOp String
-data Result = R Int [Token]
-
-getV (R v _) = v
-getR (R _ r) = r
-
-eval ts = getV (parseExpr ts)
-
-parseExpr ts = parseExprRest (parseTerm ts)
-
-parseExprRest (R v (TOp "+":rest)) =
-  let t = parseTerm rest
-  in parseExprRest (R (v + getV t) (getR t))
-parseExprRest (R v (TOp "-":rest)) =
-  let t = parseTerm rest
-  in parseExprRest (R (v - getV t) (getR t))
-parseExprRest r = r
-
-parseTerm ts = parseTermRest (parseFactor ts)
-
-parseTermRest (R v (TOp "*":rest)) =
-  let t = parseFactor rest
-  in parseTermRest (R (v * getV t) (getR t))
-parseTermRest (R v (TOp "/":rest)) =
-  let t = parseFactor rest
-  in parseTermRest (R (v `div` getV t) (getR t))
-parseTermRest r = r
-
-parseFactor (TNum n:rest) = R n rest
-
-result = eval [TNum 2, TOp "+", TNum 3, TOp "*", TNum 4]

lib/haskell/tests/programs/fib.hs

@@ -1,15 +0,0 @@
--- fib.hs — infinite Fibonacci stream.
---
--- The classic two-line definition: `fibs` is a self-referential
--- lazy list built by zipping itself with its own tail, summing the
--- pair at each step. Without lazy `:` (cons cell with thunked head
--- and tail) this would diverge before producing any output; with
--- it, `take 15 fibs` evaluates exactly as much of the spine as
--- demanded.
-
-zipPlus (x:xs) (y:ys) = x + y : zipPlus xs ys
-zipPlus _ _ = []
-
-myFibs = 0 : 1 : zipPlus myFibs (tail myFibs)
-
-result = take 15 myFibs

lib/haskell/tests/programs/nqueens.hs

@@ -1,18 +0,0 @@
--- nqueens.hs — n-queens backtracking solver.
---
--- `queens n` returns all solutions as lists of column positions,
--- one per row. Each call to `go k` extends all partial `(k-1)`-row
--- solutions by one safe queen, using a list comprehension whose guard
--- checks the new queen against all already-placed queens.
-
-queens n = go n
-  where
-    go 0 = [[]]
-    go k = [q:qs | qs <- go (k - 1), q <- [1..n], safe q qs]
-
-safe q qs = check q qs 1
-
-check q [] _     = True
-check q (c:cs) d = q /= c && abs (q - c) /= d && check q cs (d + 1)
-
-result = length (queens 8)

lib/haskell/tests/programs/quicksort.hs

@@ -1,12 +0,0 @@
--- quicksort.hs — naive functional quicksort.
---
--- Partition by pivot, recurse on each half, concatenate.
--- Uses right sections `(< x)` and `(>= x)` with filter.
-
-qsort [] = []
-qsort (x:xs) = qsort smaller ++ [x] ++ qsort larger
-  where
-    smaller = filter (< x) xs
-    larger  = filter (>= x) xs
-
-result = qsort [3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5]

lib/haskell/tests/programs/sieve.hs

@@ -1,13 +0,0 @@
--- sieve.hs — lazy sieve of Eratosthenes.
---
--- Each recursive call to `sieve` consumes one prime `p` off the front
--- of the input stream and produces an infinite stream of composites
--- filtered out via `filter`. Because cons is lazy, only as much of
--- the stream is forced as demanded by `take`.
-
-sieve (p:xs) = p : sieve (filter (\x -> x `mod` p /= 0) xs)
-sieve [] = []
-
-primes = sieve [2..]
-
-result = take 10 primes

lib/haskell/tests/runtime.sx

@@ -1,127 +1,451 @@
-;; Runtime constructor-registry tests. Built-ins are pre-registered
+;; lib/haskell/tests/runtime.sx — smoke-tests for lib/haskell/runtime.sx
-;; when lib/haskell/runtime.sx loads; user types are registered by
+;;
-;; walking a parsed+desugared AST with hk-register-program! (or the
+;; Uses the same hk-test framework as tests/parse.sx.
-;; `hk-load-source!` convenience).
+;; Loaded by test.sh after: tokenizer.sx + runtime.sx are pre-loaded.
 
-;; ── Pre-registered built-ins ──
+;; ---------------------------------------------------------------------------
-(hk-test "True is a con" (hk-is-con? "True") true)
+;; Test framework boilerplate (mirrors parse.sx)
-(hk-test "False is a con" (hk-is-con? "False") true)
+;; ---------------------------------------------------------------------------
-(hk-test "[] is a con" (hk-is-con? "[]") true)
-(hk-test ": (cons) is a con" (hk-is-con? ":") true)
-(hk-test "() is a con" (hk-is-con? "()") true)
 
-(hk-test "True arity 0" (hk-con-arity "True") 0)
+(define hk-test-pass 0)
-(hk-test ": arity 2" (hk-con-arity ":") 2)
+(define hk-test-fail 0)
-(hk-test "[] arity 0" (hk-con-arity "[]") 0)
+(define hk-test-fails (list))
-(hk-test "True type Bool" (hk-con-type "True") "Bool")
-(hk-test "False type Bool" (hk-con-type "False") "Bool")
-(hk-test ": type List" (hk-con-type ":") "List")
-(hk-test "() type Unit" (hk-con-type "()") "Unit")
 
-;; ── Unknown names ──
+(define
-(hk-test "is-con? false for varid" (hk-is-con? "foo") false)
+  (hk-test name actual expected)
-(hk-test "arity nil for unknown" (hk-con-arity "NotACon") nil)
+  (if
-(hk-test "type nil for unknown" (hk-con-type "NotACon") nil)
+    (= actual expected)
-
+    (set! hk-test-pass (+ hk-test-pass 1))
-;; ── data MyBool = Yes | No ──
-(hk-test
-  "register simple data"
     (do
-    (hk-load-source! "data MyBool = Yes | No")
+      (set! hk-test-fail (+ hk-test-fail 1))
-    (list
+      (append! hk-test-fails {:actual actual :expected expected :name name}))))
-      (hk-con-arity "Yes")
-      (hk-con-arity "No")
-      (hk-con-type "Yes")
-      (hk-con-type "No")))
-  (list 0 0 "MyBool" "MyBool"))
 
-;; ── data Maybe a = Nothing | Just a ──
+;; ---------------------------------------------------------------------------
-(hk-test
+;; 1. Numeric type class helpers
-  "register Maybe"
+;; ---------------------------------------------------------------------------
-  (do
-    (hk-load-source! "data Maybe a = Nothing | Just a")
-    (list
-      (hk-con-arity "Nothing")
-      (hk-con-arity "Just")
-      (hk-con-type "Nothing")
-      (hk-con-type "Just")))
-  (list 0 1 "Maybe" "Maybe"))
 
-;; ── data Either a b = Left a | Right b ──
+(hk-test "is-integer? int" (hk-is-integer? 42) true)
-(hk-test
+(hk-test "is-integer? float" (hk-is-integer? 1.5) false)
-  "register Either"
+(hk-test "is-float? float" (hk-is-float? 3.14) true)
-  (do
+(hk-test "is-float? int" (hk-is-float? 3) false)
-    (hk-load-source! "data Either a b = Left a | Right b")
+(hk-test "is-num? int" (hk-is-num? 10) true)
-    (list
+(hk-test "is-num? float" (hk-is-num? 1) true)
-      (hk-con-arity "Left")
-      (hk-con-arity "Right")
-      (hk-con-type "Left")
-      (hk-con-type "Right")))
-  (list 1 1 "Either" "Either"))
 
-;; ── Recursive data ──
+(hk-test "to-float" (hk-to-float 5) 5)
-(hk-test
+(hk-test "to-integer trunc" (hk-to-integer 3.7) 3)
-  "register recursive Tree"
-  (do
-    (hk-load-source!
-      "data Tree a = Leaf | Node (Tree a) a (Tree a)")
-    (list
-      (hk-con-arity "Leaf")
-      (hk-con-arity "Node")
-      (hk-con-type "Leaf")
-      (hk-con-type "Node")))
-  (list 0 3 "Tree" "Tree"))
 
-;; ── newtype ──
+(hk-test "div pos pos" (hk-div 7 2) 3)
-(hk-test
+(hk-test "div neg pos" (hk-div -7 2) -4)
-  "register newtype"
+(hk-test "div pos neg" (hk-div 7 -2) -4)
-  (do
+(hk-test "div neg neg" (hk-div -7 -2) 3)
-    (hk-load-source! "newtype Age = MkAge Int")
+(hk-test "div exact" (hk-div 6 2) 3)
-    (list
-      (hk-con-arity "MkAge")
-      (hk-con-type "MkAge")))
-  (list 1 "Age"))
 
-;; ── Multiple data decls in one program ──
+(hk-test "mod pos pos" (hk-mod 10 3) 1)
-(hk-test
+(hk-test "mod neg pos" (hk-mod -7 3) 2)
-  "multiple data decls"
+(hk-test "rem pos pos" (hk-rem 10 3) 1)
-  (do
+(hk-test "rem neg pos" (hk-rem -7 3) -1)
-    (hk-load-source!
-      "data Color = Red | Green | Blue\ndata Shape = Circle | Square\nf x = x")
-    (list
-      (hk-con-type "Red")
-      (hk-con-type "Green")
-      (hk-con-type "Blue")
-      (hk-con-type "Circle")
-      (hk-con-type "Square")))
-  (list "Color" "Color" "Color" "Shape" "Shape"))
 
-;; ── Inside a module header ──
+(hk-test "abs pos" (hk-abs 5) 5)
-(hk-test
+(hk-test "abs neg" (hk-abs -5) 5)
-  "register from module body"
+(hk-test "signum pos" (hk-signum 42) 1)
-  (do
+(hk-test "signum neg" (hk-signum -7) -1)
-    (hk-load-source!
+(hk-test "signum zero" (hk-signum 0) 0)
-      "module M where\ndata Pair a = Pair a a")
-    (list
-      (hk-con-arity "Pair")
-      (hk-con-type "Pair")))
-  (list 2 "Pair"))
 
-;; ── Non-data decls are ignored ──
+(hk-test "gcd" (hk-gcd 12 8) 4)
-(hk-test
+(hk-test "lcm" (hk-lcm 4 6) 12)
-  "program with only fun-decl leaves registry unchanged for that name"
+(hk-test "even?" (hk-even? 4) true)
-  (do
+(hk-test "even? odd" (hk-even? 3) false)
-    (hk-load-source! "myFunctionNotACon x = x + 1")
+(hk-test "odd?" (hk-odd? 7) true)
-    (hk-is-con? "myFunctionNotACon"))
-  false)
 
-;; ── Re-registering overwrites (last wins) ──
+;; ---------------------------------------------------------------------------
-(hk-test
+;; 2. Rational numbers
-  "re-registration overwrites the entry"
+;; ---------------------------------------------------------------------------
+
+(let
+  ((r (hk-make-rational 1 2)))
   (do
-    (hk-load-source! "data Foo = Bar Int")
+    (hk-test "rational?" (hk-rational? r) true)
-    (hk-load-source! "data Foo = Bar Int Int")
+    (hk-test "numerator" (hk-numerator r) 1)
-    (hk-con-arity "Bar"))
+    (hk-test "denominator" (hk-denominator r) 2)))
+
+(let
+  ((r (hk-make-rational 2 4)))
+  (do
+    (hk-test "rat normalise num" (hk-numerator r) 1)
+    (hk-test "rat normalise den" (hk-denominator r) 2)))
+
+(let
+  ((sum (hk-rational-add (hk-make-rational 1 2) (hk-make-rational 1 3))))
+  (do
+    (hk-test "rat-add num" (hk-numerator sum) 5)
+    (hk-test "rat-add den" (hk-denominator sum) 6)))
+
+(hk-test
+  "rat-to-float"
+  (hk-rational-to-float (hk-make-rational 1 2))
+  0.5)
+(hk-test "rational? int" (hk-rational? 42) false)
+
+;; ---------------------------------------------------------------------------
+;; 3. Lazy evaluation (promises via SX delay)
+;; ---------------------------------------------------------------------------
+
+(let
+  ((p (delay 42)))
+  (hk-test "force promise" (hk-force p) 42))
+
+(hk-test "force non-promise" (hk-force 99) 99)
+
+;; ---------------------------------------------------------------------------
+;; 4. Char utilities — compare via hk-ord to avoid = on char type
+;; ---------------------------------------------------------------------------
+
+(hk-test "ord A" (hk-ord (integer->char 65)) 65)
+(hk-test "chr 65" (hk-ord (hk-chr 65)) 65)
+(hk-test "is-alpha? A" (hk-is-alpha? (integer->char 65)) true)
+(hk-test "is-alpha? 0" (hk-is-alpha? (integer->char 48)) false)
+(hk-test "is-digit? 5" (hk-is-digit? (integer->char 53)) true)
+(hk-test "is-digit? A" (hk-is-digit? (integer->char 65)) false)
+(hk-test "is-upper? A" (hk-is-upper? (integer->char 65)) true)
+(hk-test "is-upper? a" (hk-is-upper? (integer->char 97)) false)
+(hk-test "is-lower? a" (hk-is-lower? (integer->char 97)) true)
+(hk-test "is-space? spc" (hk-is-space? (integer->char 32)) true)
+(hk-test "is-space? A" (hk-is-space? (integer->char 65)) false)
+(hk-test
+  "to-upper a"
+  (hk-ord (hk-to-upper (integer->char 97)))
+  65)
+(hk-test
+  "to-lower A"
+  (hk-ord (hk-to-lower (integer->char 65)))
+  97)
+(hk-test
+  "digit-to-int 0"
+  (hk-digit-to-int (integer->char 48))
+  0)
+(hk-test
+  "digit-to-int 9"
+  (hk-digit-to-int (integer->char 57))
+  9)
+(hk-test
+  "digit-to-int a"
+  (hk-digit-to-int (integer->char 97))
+  10)
+(hk-test
+  "digit-to-int F"
+  (hk-digit-to-int (integer->char 70))
+  15)
+(hk-test "int-to-digit 0" (hk-ord (hk-int-to-digit 0)) 48)
+(hk-test "int-to-digit 10" (hk-ord (hk-int-to-digit 10)) 97)
+
+;; ---------------------------------------------------------------------------
+;; 5. Data.Set
+;; ---------------------------------------------------------------------------
+
+(hk-test "set-empty is set?" (hk-set? (hk-set-empty)) true)
+(hk-test "set-null? empty" (hk-set-null? (hk-set-empty)) true)
+
+(let
+  ((s (hk-set-singleton 42)))
+  (do
+    (hk-test "singleton member" (hk-set-member? 42 s) true)
+    (hk-test "singleton size" (hk-set-size s) 1)))
+
+(let
+  ((s (hk-set-from-list (list 1 2 3))))
+  (do
+    (hk-test "from-list member" (hk-set-member? 2 s) true)
+    (hk-test "from-list absent" (hk-set-member? 9 s) false)
+    (hk-test "from-list size" (hk-set-size s) 3)))
+
+;; ---------------------------------------------------------------------------
+;; 6. Data.List
+;; ---------------------------------------------------------------------------
+
+(hk-test "head" (hk-head (list 1 2 3)) 1)
+(hk-test
+  "tail length"
+  (len (hk-tail (list 1 2 3)))
   2)
+(hk-test "null? empty" (hk-null? (list)) true)
+(hk-test "null? non-empty" (hk-null? (list 1)) false)
+(hk-test
+  "length"
+  (hk-length (list 1 2 3))
+  3)
 
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}
+(hk-test
+  "take 2"
+  (hk-take 2 (list 1 2 3))
+  (list 1 2))
+(hk-test "take 0" (hk-take 0 (list 1 2)) (list))
+(hk-test
+  "take overflow"
+  (hk-take 5 (list 1 2))
+  (list 1 2))
+(hk-test
+  "drop 1"
+  (hk-drop 1 (list 1 2 3))
+  (list 2 3))
+(hk-test
+  "drop 0"
+  (hk-drop 0 (list 1 2))
+  (list 1 2))
+
+(hk-test
+  "take-while"
+  (hk-take-while
+    (fn (x) (< x 3))
+    (list 1 2 3 4))
+  (list 1 2))
+(hk-test
+  "drop-while"
+  (hk-drop-while
+    (fn (x) (< x 3))
+    (list 1 2 3 4))
+  (list 3 4))
+
+(hk-test
+  "zip"
+  (hk-zip (list 1 2) (list 3 4))
+  (list (list 1 3) (list 2 4)))
+(hk-test
+  "zip uneven"
+  (hk-zip
+    (list 1 2 3)
+    (list 4 5))
+  (list (list 1 4) (list 2 5)))
+
+(hk-test
+  "zip-with +"
+  (hk-zip-with
+    +
+    (list 1 2 3)
+    (list 10 20 30))
+  (list 11 22 33))
+
+(hk-test
+  "unzip fst"
+  (first
+    (hk-unzip
+      (list (list 1 3) (list 2 4))))
+  (list 1 2))
+(hk-test
+  "unzip snd"
+  (nth
+    (hk-unzip
+      (list (list 1 3) (list 2 4)))
+    1)
+  (list 3 4))
+
+(hk-test
+  "elem hit"
+  (hk-elem 2 (list 1 2 3))
+  true)
+(hk-test
+  "elem miss"
+  (hk-elem 9 (list 1 2 3))
+  false)
+(hk-test
+  "not-elem"
+  (hk-not-elem 9 (list 1 2 3))
+  true)
+
+(hk-test
+  "nub"
+  (hk-nub (list 1 2 1 3 2))
+  (list 1 2 3))
+
+(hk-test
+  "sum"
+  (hk-sum (list 1 2 3 4))
+  10)
+(hk-test
+  "product"
+  (hk-product (list 1 2 3 4))
+  24)
+(hk-test
+  "maximum"
+  (hk-maximum (list 3 1 4 1 5))
+  5)
+(hk-test
+  "minimum"
+  (hk-minimum (list 3 1 4 1 5))
+  1)
+
+(hk-test
+  "concat"
+  (hk-concat
+    (list (list 1 2) (list 3 4)))
+  (list 1 2 3 4))
+(hk-test
+  "concat-map"
+  (hk-concat-map
+    (fn (x) (list x (* x x)))
+    (list 1 2 3))
+  (list 1 1 2 4 3 9))
+
+(hk-test
+  "sort"
+  (hk-sort (list 3 1 4 1 5))
+  (list 1 1 3 4 5))
+(hk-test
+  "replicate"
+  (hk-replicate 3 0)
+  (list 0 0 0))
+(hk-test "replicate 0" (hk-replicate 0 99) (list))
+
+(hk-test
+  "intersperse"
+  (hk-intersperse 0 (list 1 2 3))
+  (list 1 0 2 0 3))
+(hk-test
+  "intersperse 1"
+  (hk-intersperse 0 (list 1))
+  (list 1))
+(hk-test "intersperse empty" (hk-intersperse 0 (list)) (list))
+
+(hk-test
+  "span"
+  (hk-span
+    (fn (x) (< x 3))
+    (list 1 2 3 4))
+  (list (list 1 2) (list 3 4)))
+(hk-test
+  "break"
+  (hk-break
+    (fn (x) (>= x 3))
+    (list 1 2 3 4))
+  (list (list 1 2) (list 3 4)))
+
+(hk-test
+  "foldl"
+  (hk-foldl
+    (fn (a b) (- a b))
+    10
+    (list 1 2 3))
+  4)
+(hk-test
+  "foldr"
+  (hk-foldr cons (list) (list 1 2 3))
+  (list 1 2 3))
+
+(hk-test
+  "scanl"
+  (hk-scanl + 0 (list 1 2 3))
+  (list 0 1 3 6))
+
+;; ---------------------------------------------------------------------------
+;; 7. Maybe / Either
+;; ---------------------------------------------------------------------------
+
+(hk-test "nothing is-nothing?" (hk-is-nothing? hk-nothing) true)
+(hk-test "nothing is-just?" (hk-is-just? hk-nothing) false)
+(hk-test "just is-just?" (hk-is-just? (hk-just 42)) true)
+(hk-test "just is-nothing?" (hk-is-nothing? (hk-just 42)) false)
+(hk-test "from-just" (hk-from-just (hk-just 99)) 99)
+(hk-test
+  "from-maybe nothing"
+  (hk-from-maybe 0 hk-nothing)
+  0)
+(hk-test
+  "from-maybe just"
+  (hk-from-maybe 0 (hk-just 42))
+  42)
+(hk-test
+  "maybe nothing"
+  (hk-maybe 0 (fn (x) (* x 2)) hk-nothing)
+  0)
+(hk-test
+  "maybe just"
+  (hk-maybe 0 (fn (x) (* x 2)) (hk-just 5))
+  10)
+
+(hk-test "left is-left?" (hk-is-left? (hk-left "e")) true)
+(hk-test "right is-right?" (hk-is-right? (hk-right 42)) true)
+(hk-test "from-right" (hk-from-right (hk-right 7)) 7)
+(hk-test
+  "either left"
+  (hk-either (fn (x) (str "L" x)) (fn (x) (str "R" x)) (hk-left "err"))
+  "Lerr")
+(hk-test
+  "either right"
+  (hk-either
+    (fn (x) (str "L" x))
+    (fn (x) (str "R" x))
+    (hk-right 42))
+  "R42")
+
+;; ---------------------------------------------------------------------------
+;; 8. Tuples
+;; ---------------------------------------------------------------------------
+
+(hk-test "pair" (hk-pair 1 2) (list 1 2))
+(hk-test "fst" (hk-fst (hk-pair 3 4)) 3)
+(hk-test "snd" (hk-snd (hk-pair 3 4)) 4)
+(hk-test
+  "triple"
+  (hk-triple 1 2 3)
+  (list 1 2 3))
+(hk-test
+  "fst3"
+  (hk-fst3 (hk-triple 7 8 9))
+  7)
+(hk-test
+  "thd3"
+  (hk-thd3 (hk-triple 7 8 9))
+  9)
+
+(hk-test "curry" ((hk-curry +) 3 4) 7)
+(hk-test
+  "uncurry"
+  ((hk-uncurry (fn (a b) (* a b))) (list 3 4))
+  12)
+
+;; ---------------------------------------------------------------------------
+;; 9. String helpers
+;; ---------------------------------------------------------------------------
+
+(hk-test "words" (hk-words "hello world") (list "hello" "world"))
+(hk-test "words leading ws" (hk-words "  foo bar") (list "foo" "bar"))
+(hk-test "words empty" (hk-words "") (list))
+(hk-test "unwords" (hk-unwords (list "a" "b" "c")) "a b c")
+(hk-test "unwords single" (hk-unwords (list "x")) "x")
+
+(hk-test "lines" (hk-lines "a\nb\nc") (list "a" "b" "c"))
+(hk-test "lines single" (hk-lines "hello") (list "hello"))
+(hk-test "unlines" (hk-unlines (list "a" "b")) "a\nb\n")
+
+(hk-test "is-prefix-of yes" (hk-is-prefix-of "he" "hello") true)
+(hk-test "is-prefix-of no" (hk-is-prefix-of "wo" "hello") false)
+(hk-test "is-prefix-of eq" (hk-is-prefix-of "hi" "hi") true)
+(hk-test "is-prefix-of empty" (hk-is-prefix-of "" "hi") true)
+
+(hk-test "is-suffix-of yes" (hk-is-suffix-of "lo" "hello") true)
+(hk-test "is-suffix-of no" (hk-is-suffix-of "he" "hello") false)
+(hk-test "is-suffix-of empty" (hk-is-suffix-of "" "hi") true)
+
+(hk-test "is-infix-of yes" (hk-is-infix-of "ell" "hello") true)
+(hk-test "is-infix-of no" (hk-is-infix-of "xyz" "hello") false)
+(hk-test "is-infix-of empty" (hk-is-infix-of "" "hello") true)
+
+;; ---------------------------------------------------------------------------
+;; 10. Show
+;; ---------------------------------------------------------------------------
+
+(hk-test "show nil" (hk-show nil) "Nothing")
+(hk-test "show true" (hk-show true) "True")
+(hk-test "show false" (hk-show false) "False")
+(hk-test "show int" (hk-show 42) "42")
+(hk-test "show string" (hk-show "hi") "\"hi\"")
+(hk-test
+  "show list"
+  (hk-show (list 1 2 3))
+  "[1,2,3]")
+(hk-test "show empty list" (hk-show (list)) "[]")
+
+;; ---------------------------------------------------------------------------
+;; Summary (required by test.sh — last expression is the return value)
+;; ---------------------------------------------------------------------------
+
+(list hk-test-pass hk-test-fail)

lib/haskell/tests/seq.sx

@@ -1,85 +0,0 @@
-;; seq / deepseq tests. seq is strict in its first arg (forces to
-;; WHNF) and returns the second arg unchanged. deepseq additionally
-;; forces the first arg to normal form.
-
-(define
-  hk-prog-val
-  (fn
-    (src name)
-    (hk-deep-force (get (hk-eval-program (hk-core src)) name))))
-
-(define hk-as-list
-  (fn (xs)
-    (cond
-      ((and (list? xs) (= (first xs) "[]")) (list))
-      ((and (list? xs) (= (first xs) ":"))
-        (cons (nth xs 1) (hk-as-list (nth xs 2))))
-      (:else xs))))
-
-(define
-  hk-eval-list
-  (fn (src) (hk-as-list (hk-eval-expr-source src))))
-
-;; ── seq returns its second arg ──
-(hk-test
-  "seq with primitive first arg"
-  (hk-eval-expr-source "seq 1 99")
-  99)
-
-(hk-test
-  "seq forces first arg via let"
-  (hk-eval-expr-source "let x = 1 + 2 in seq x x")
-  3)
-
-(hk-test
-  "seq second arg is whatever shape"
-  (hk-eval-expr-source "seq 0 \"hello\"")
-  "hello")
-
-;; ── seq enables previously-lazy bottom to be forced ──
-;; Without seq the let-binding `x = error …` is never forced;
-;; with seq it must be forced because seq is strict in its first
-;; argument. We don't run that error case here (it would terminate
-;; the test), but we do verify the negative — that without seq,
-;; the bottom bound is never demanded.
-(hk-test
-  "lazy let — bottom never forced when unused"
-  (hk-eval-expr-source "let x = error \"never\" in 42")
-  42)
-
-;; ── deepseq forces nested structure ──
-(hk-test
-  "deepseq with finite list"
-  (hk-eval-expr-source "deepseq [1, 2, 3] 7")
-  7)
-
-(hk-test
-  "deepseq with constructor value"
-  (hk-eval-expr-source "deepseq (Just 5) 11")
-  11)
-
-(hk-test
-  "deepseq with tuple"
-  (hk-eval-expr-source "deepseq (1, 2) 13")
-  13)
-
-;; ── seq + arithmetic ──
-(hk-test
-  "seq used inside arithmetic doesn't poison the result"
-  (hk-eval-expr-source "(seq 1 5) + (seq 2 7)")
-  12)
-
-;; ── seq in user code ──
-(hk-test
-  "seq via fun-clause"
-  (hk-prog-val
-    "f x = seq x (x + 1)\nresult = f 10"
-    "result")
-  11)
-
-(hk-test
-  "seq sequences list construction"
-  (hk-eval-list "[seq 1 10, seq 2 20]")
-  (list 10 20))
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/stdlib.sx

@@ -1,151 +0,0 @@
-;; stdlib.sx — tests for standard-library functions added in Phase 5:
-;; Eq/Ord, Show, Num, Functor, Monad, Applicative, plus common Prelude.
-
-(define
-  hk-t
-  (fn
-    (lbl src expected)
-    (hk-test lbl (hk-deep-force (hk-run src)) expected)))
-
-(define
-  hk-ts
-  (fn
-    (lbl src expected)
-    (hk-test
-      lbl
-      (hk-deep-force (hk-run (str "main = show (" src ")")))
-      expected)))
-
-;; ── Ord ──────────────────────────────────────────────────────
-(hk-test
-  "compare lt"
-  (hk-deep-force (hk-run "main = compare 1 2"))
-  (list "LT"))
-(hk-test
-  "compare eq"
-  (hk-deep-force (hk-run "main = compare 3 3"))
-  (list "EQ"))
-(hk-test
-  "compare gt"
-  (hk-deep-force (hk-run "main = compare 9 5"))
-  (list "GT"))
-(hk-test "min" (hk-deep-force (hk-run "main = min 3 5")) 3)
-(hk-test "max" (hk-deep-force (hk-run "main = max 3 5")) 5)
-
-;; ── Show ─────────────────────────────────────────────────────
-(hk-ts "show int" "42" "42")
-(hk-ts "show neg" "negate 7" "-7")
-(hk-ts "show bool T" "True" "True")
-(hk-ts "show bool F" "False" "False")
-(hk-ts "show list" "[1,2,3]" "[1, 2, 3]")
-(hk-ts "show Just" "Just 5" "(Just 5)")
-(hk-ts "show Nothing" "Nothing" "Nothing")
-(hk-ts "show LT" "LT" "LT")
-(hk-ts "show tuple" "(1, True)" "(1, True)")
-
-;; ── Num extras ───────────────────────────────────────────────
-(hk-test "signum pos" (hk-deep-force (hk-run "main = signum 5")) 1)
-(hk-test
-  "signum neg"
-  (hk-deep-force (hk-run "main = signum (negate 3)"))
-  (- 0 1))
-(hk-test "signum zero" (hk-deep-force (hk-run "main = signum 0")) 0)
-(hk-test "fromIntegral" (hk-deep-force (hk-run "main = fromIntegral 7")) 7)
-
-;; ── foldr / foldl ────────────────────────────────────────────
-(hk-test "foldr sum" (hk-deep-force (hk-run "main = foldr (+) 0 [1,2,3]")) 6)
-(hk-test "foldl sum" (hk-deep-force (hk-run "main = foldl (+) 0 [1,2,3]")) 6)
-(hk-test "foldl1" (hk-deep-force (hk-run "main = foldl1 (+) [1,2,3,4]")) 10)
-(hk-test
-  "foldr cons"
-  (hk-deep-force (hk-run "main = show (foldr (:) [] [1,2,3])"))
-  "[1, 2, 3]")
-
-;; ── List ops ─────────────────────────────────────────────────
-(hk-test
-  "reverse"
-  (hk-deep-force (hk-run "main = show (reverse [1,2,3])"))
-  "[3, 2, 1]")
-(hk-test "null []" (hk-deep-force (hk-run "main = null []")) (list "True"))
-(hk-test
-  "null xs"
-  (hk-deep-force (hk-run "main = null [1]"))
-  (list "False"))
-(hk-test
-  "elem yes"
-  (hk-deep-force (hk-run "main = elem 2 [1,2,3]"))
-  (list "True"))
-(hk-test
-  "elem no"
-  (hk-deep-force (hk-run "main = elem 9 [1,2,3]"))
-  (list "False"))
-(hk-test
-  "zip"
-  (hk-deep-force (hk-run "main = show (zip [1,2] [3,4])"))
-  "[(1, 3), (2, 4)]")
-(hk-test "sum" (hk-deep-force (hk-run "main = sum [1,2,3,4,5]")) 15)
-(hk-test "product" (hk-deep-force (hk-run "main = product [1,2,3,4]")) 24)
-(hk-test "maximum" (hk-deep-force (hk-run "main = maximum [3,1,9,2]")) 9)
-(hk-test "minimum" (hk-deep-force (hk-run "main = minimum [3,1,9,2]")) 1)
-(hk-test
-  "any yes"
-  (hk-deep-force (hk-run "main = any (\\x -> x > 3) [1,2,5]"))
-  (list "True"))
-(hk-test
-  "any no"
-  (hk-deep-force (hk-run "main = any (\\x -> x > 9) [1,2,5]"))
-  (list "False"))
-(hk-test
-  "all yes"
-  (hk-deep-force (hk-run "main = all (\\x -> x > 0) [1,2,5]"))
-  (list "True"))
-(hk-test
-  "all no"
-  (hk-deep-force (hk-run "main = all (\\x -> x > 3) [1,2,5]"))
-  (list "False"))
-
-;; ── Higher-order ─────────────────────────────────────────────
-(hk-test "flip" (hk-deep-force (hk-run "main = flip (-) 3 10")) 7)
-(hk-test "const" (hk-deep-force (hk-run "main = const 42 True")) 42)
-
-;; ── Functor ──────────────────────────────────────────────────
-(hk-test
-  "fmap list"
-  (hk-deep-force (hk-run "main = show (fmap (+1) [1,2,3])"))
-  "[2, 3, 4]")
-
-;; ── Monad / Applicative ──────────────────────────────────────
-(hk-test "return" (hk-deep-force (hk-run "main = return 7")) (list "IO" 7))
-(hk-test "pure" (hk-deep-force (hk-run "main = pure 7")) (list "IO" 7))
-(hk-test
-  "when T"
-  (hk-deep-force (hk-run "main = when True (return 1)"))
-  (list "IO" 1))
-(hk-test
-  "when F"
-  (hk-deep-force (hk-run "main = when False (return 1)"))
-  (list "IO" (list "()")))
-(hk-test
-  "unless F"
-  (hk-deep-force (hk-run "main = unless False (return 2)"))
-  (list "IO" 2))
-
-;; ── lookup / maybe / either ─────────────────────────────────
-(hk-test
-  "lookup hit"
-  (hk-deep-force (hk-run "main = show (lookup 2 [(1,10),(2,20)])"))
-  "(Just 20)")
-(hk-test
-  "lookup miss"
-  (hk-deep-force (hk-run "main = show (lookup 9 [(1,10)])"))
-  "Nothing")
-(hk-test
-  "maybe def"
-  (hk-deep-force (hk-run "main = maybe 0 (+1) Nothing"))
-  0)
-(hk-test
-  "maybe just"
-  (hk-deep-force (hk-run "main = maybe 0 (+1) (Just 5)"))
-  6)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/haskell/tests/typecheck.sx

@@ -1,82 +0,0 @@
-;; typecheck.sx — tests for hk-typecheck / hk-run-typed.
-;; Verifies that untypeable programs are rejected and well-typed programs pass.
-
-(define hk-str-has? (fn (s sub) (>= (index-of s sub) 0)))
-
-;; Helper: expect a type error containing `sub`
-(define
-  hk-tc-err
-  (fn
-    (label src sub)
-    (hk-test
-      label
-      (guard
-        (e (#t (hk-str-has? e sub)))
-        (begin (hk-run-typed src) false))
-      true)))
-
-;; ─── Valid programs pass through ─────────────────────────────────────────────
-(hk-test "typed ok: simple arithmetic" (hk-run-typed "main = 1 + 2") 3)
-
-(hk-test "typed ok: boolean" (hk-run-typed "main = True") (list "True"))
-
-(hk-test "typed ok: let binding" (hk-run-typed "main = let x = 1 in x + 2") 3)
-
-(hk-test
-  "typed ok: two independent fns"
-  (hk-run-typed "f x = x + 1\nmain = f 5")
-  6)
-
-;; ─── Untypeable programs are rejected ────────────────────────────────────────
-;; Adding Int and Bool is a unification failure.
-(hk-tc-err "reject: Int + Bool mentions Int" "main = 1 + True" "Int")
-(hk-tc-err "reject: Int + Bool mentions Bool" "main = 1 + True" "Bool")
-
-;; Condition of if must be Bool.
-(hk-tc-err "reject: if non-bool condition" "main = if 1 then 2 else 3" "Bool")
-
-;; Unbound variable.
-(hk-tc-err "reject: unbound variable" "main = unknownVar + 1" "unknownVar")
-
-;; Function body type error: applying non-function.
-(hk-tc-err "reject: apply non-function" "f x = 1 x" "Int")
-
-(define prog-sig1 (hk-core "f :: Int -> Int\nf x = x + 1"))
-
-(define prog-sig2 (hk-core "f :: Bool -> Bool\nf x = x + 1"))
-
-(define prog-sig3 (hk-core "id :: a -> a\nid x = x"))
-
-(hk-test
-  "sig ok: Int->Int accepted"
-  (first (nth (hk-infer-prog prog-sig1 (hk-type-env0)) 0))
-  "ok")
-
-(hk-test
-  "sig fail: Bool->Bool rejected"
-  (first (nth (hk-infer-prog prog-sig2 (hk-type-env0)) 0))
-  "err")
-
-(hk-test
-  "sig fail: error mentions mismatch"
-  (hk-str-has?
-    (nth (nth (hk-infer-prog prog-sig2 (hk-type-env0)) 0) 1)
-    "mismatch")
-  true)
-
-(hk-test
-  "sig ok: polymorphic a->a accepted"
-  (first (nth (hk-infer-prog prog-sig3 (hk-type-env0)) 0))
-  "ok")
-
-(hk-tc-err
-  "run-typed sig fail: Bool declared, Int inferred"
-  "main :: Bool\nmain = 1 + 2"
-  "mismatch")
-
-(hk-test
-  "run-typed sig ok: Int declared matches"
-  (hk-run-typed "main :: Int\nmain = 1 + 2")
-  3)
-
-{:fails hk-test-fails :pass hk-test-pass :fail hk-test-fail}

lib/hyperscript/integration.sx

@@ -19,7 +19,6 @@
       (define
         reserved
         (list
-          (quote beingTold)
           (quote me)
           (quote it)
           (quote event)
@@ -66,92 +65,30 @@
                   (list (quote me))
                   (list
                     (quote let)
-                    (list
+                    (list (list (quote it) nil) (list (quote event) nil))
-                      (list (quote beingTold) (quote me))
-                      (list (quote it) nil)
-                      (list (quote event) nil))
                     guarded))))))))))
 
 ;; ── Activate a single element ───────────────────────────────────
 ;; Reads the _="..." attribute, compiles, and executes with me=element.
 ;; Marks the element to avoid double-activation.
 
-(define
-  hs-register-scripts!
-  (fn
-    ()
-    (for-each
-      (fn
-        (script)
-        (when
-          (not (dom-get-data script "hs-script-loaded"))
-          (let
-            ((src (host-get script "innerHTML")))
-            (guard
-              (_e (true nil))
-              (let
-                ((handler (eval-expr-cek (hs-to-sx-from-source src))))
-                (handler (dom-body)))))))
-      (hs-query-all "script[type=text/hyperscript]"))))
-
-;; ── Boot: scan entire document ──────────────────────────────────
-;; Called once at page load. Finds all elements with _ attribute,
-;; compiles their hyperscript, and activates them.
-
-(define
-  hs-scripting-disabled?
-  (fn
-    (el)
-    (if
-      (= el nil)
-      false
-      (if
-        (dom-get-attr el "disable-scripting")
-        true
-        (hs-scripting-disabled? (dom-parent el))))))
-
-;; ── Boot subtree: for dynamic content ───────────────────────────
-;; Called after HTMX swaps or dynamic DOM insertion.
-;; Only activates elements within the given root.
-
 (define
   hs-activate!
   (fn
     (el)
-    (do
-      (hs-register-scripts!)
     (let
       ((src (dom-get-attr el "_")) (prev (dom-get-data el "hs-script")))
       (when
-          (and src (not (= src prev)) (not (hs-scripting-disabled? el)))
+        (and src (not (= src prev)))
-          (when
-            (dom-dispatch el "hyperscript:before:init" nil)
         (hs-log-event! "hyperscript:init")
         (dom-set-data el "hs-script" src)
         (dom-set-data el "hs-active" true)
         (dom-set-attr el "data-hyperscript-powered" "true")
-            (host-set! (host-global "window") "__hs_current_me" el)
+        (let ((handler (hs-handler src))) (handler el))))))
-            (guard
+
-              (_e
+;; ── Boot: scan entire document ──────────────────────────────────
-                (true
+;; Called once at page load. Finds all elements with _ attribute,
-                  (do
+;; compiles their hyperscript, and activates them.
-                    (dom-dispatch el "hyperscript:parse-error" {:errors (list _e)})
-                    nil)))
-              (let
-                ((handler (hs-handler src)))
-                (let
-                  ((el-type (dom-get-attr el "type"))
-                    (comp-name (dom-get-attr el "component")))
-                  (let
-                    ((safe-handler (fn (e) (host-call-fn handler (list e)))))
-                    (if
-                      (= el-type "text/hyperscript-template")
-                      (for-each
-                        safe-handler
-                        (hs-query-all (or comp-name "")))
-                      (safe-handler el))))))
-            (host-set! (host-global "window") "__hs_current_me" nil)
-            (dom-dispatch el "hyperscript:after:init" nil)))))))
 
 (define
   hs-deactivate!
@@ -164,6 +101,10 @@
       (dom-set-data el "hs-active" false)
       (dom-set-data el "hs-script" nil))))
 
+;; ── Boot subtree: for dynamic content ───────────────────────────
+;; Called after HTMX swaps or dynamic DOM insertion.
+;; Only activates elements within the given root.
+
 (define
   hs-boot!
   (fn

lib/hyperscript/tokenizer.sx

@@ -28,27 +28,6 @@
 
 (define hs-ws? (fn (c) (or (= c " ") (= c "\t") (= c "\n") (= c "\r"))))
 
-(define
-  hs-hex-digit?
-  (fn
-    (c)
-    (or
-      (and (>= c "0") (<= c "9"))
-      (and (>= c "a") (<= c "f"))
-      (and (>= c "A") (<= c "F")))))
-
-(define
-  hs-hex-val
-  (fn
-    (c)
-    (let
-      ((code (char-code c)))
-      (cond
-        ((and (>= code 48) (<= code 57))  (- code 48))
-        ((and (>= code 65) (<= code 70))  (- code 55))
-        ((and (>= code 97) (<= code 102)) (- code 87))
-        (true 0)))))
-
 ;; ── Keyword set ───────────────────────────────────────────────────
 
 (define
@@ -131,7 +110,6 @@
     "append"
     "settle"
     "transition"
-    "view"
     "over"
     "closest"
     "next"
@@ -209,8 +187,7 @@
     "using"
     "giving"
     "ask"
-    "answer"
+    "answer"))
-    "bind"))
 
 (define hs-keyword? (fn (word) (some (fn (k) (= k word)) hs-keywords)))
 
@@ -258,15 +235,10 @@
         read-number
         (fn
           (start)
-          (define
-            read-int
-            (fn
-              ()
           (when
             (and (< pos src-len) (hs-digit? (hs-cur)))
             (hs-advance! 1)
-                (read-int))))
+            (read-number start))
-          (read-int)
           (when
             (and
               (< pos src-len)
@@ -274,7 +246,15 @@
               (< (+ pos 1) src-len)
               (hs-digit? (hs-peek 1)))
             (hs-advance! 1)
-            (read-int))
+            (define
+              read-frac
+              (fn
+                ()
+                (when
+                  (and (< pos src-len) (hs-digit? (hs-cur)))
+                  (hs-advance! 1)
+                  (read-frac))))
+            (read-frac))
           (do
             (when
               (and
@@ -292,7 +272,15 @@
                   (< pos src-len)
                   (or (= (hs-cur) "+") (= (hs-cur) "-")))
                 (hs-advance! 1))
-              (read-int))
+              (define
+                read-exp-digits
+                (fn
+                  ()
+                  (when
+                    (and (< pos src-len) (hs-digit? (hs-cur)))
+                    (hs-advance! 1)
+                    (read-exp-digits))))
+              (read-exp-digits))
             (let
               ((num-end pos))
               (when
@@ -320,7 +308,7 @@
                 ()
                 (cond
                   (>= pos src-len)
-                  (error "Unterminated string")
+                  nil
                   (= (hs-cur) "\\")
                   (do
                     (hs-advance! 1)
@@ -330,47 +318,15 @@
                         ((ch (hs-cur)))
                         (cond
                           (= ch "n")
-                          (do (append! chars "\n") (hs-advance! 1))
+                          (append! chars "\n")
                           (= ch "t")
-                          (do (append! chars "\t") (hs-advance! 1))
+                          (append! chars "\t")
-                          (= ch "r")
-                          (do (append! chars "\r") (hs-advance! 1))
-                          (= ch "b")
-                          (do
-                            (append! chars (char-from-code 8))
-                            (hs-advance! 1))
-                          (= ch "f")
-                          (do
-                            (append! chars (char-from-code 12))
-                            (hs-advance! 1))
-                          (= ch "v")
-                          (do
-                            (append! chars (char-from-code 11))
-                            (hs-advance! 1))
                           (= ch "\\")
-                          (do (append! chars "\\") (hs-advance! 1))
-                          (= ch quote-char)
-                          (do (append! chars quote-char) (hs-advance! 1))
-                          (= ch "x")
-                          (do
-                            (hs-advance! 1)
-                            (if
-                              (and
-                                (< (+ pos 1) src-len)
-                                (hs-hex-digit? (hs-cur))
-                                (hs-hex-digit? (hs-peek 1)))
-                              (let
-                                ((d1 (hs-hex-val (hs-cur)))
-                                  (d2 (hs-hex-val (hs-peek 1))))
-                                (append!
-                                  chars
-                                  (char-from-code (+ (* d1 16) d2)))
-                                (hs-advance! 2))
-                              (error "Invalid hexadecimal escape: \\x")))
-                          :else (do
                           (append! chars "\\")
-                            (append! chars ch)
+                          (= ch quote-char)
-                            (hs-advance! 1)))))
+                          (append! chars quote-char)
+                          :else (do (append! chars "\\") (append! chars ch)))
+                        (hs-advance! 1)))
                     (loop))
                   (= (hs-cur) quote-char)
                   (hs-advance! 1)
@@ -457,68 +413,27 @@
         read-class-name
         (fn
           (start)
-          (define
+          (when
-            build-name
+            (and
-            (fn
+              (< pos src-len)
-              (acc depth)
+              (or
-              (cond
+                (hs-ident-char? (hs-cur))
-                ((and (< pos src-len) (= (hs-cur) "\\") (< (+ pos 1) src-len))
+                (= (hs-cur) ":")
-                  (do
+                (= (hs-cur) "[")
+                (= (hs-cur) "]")))
             (hs-advance! 1)
-                    (let
+            (read-class-name start))
-                      ((c (hs-cur)))
+          (slice src start pos)))
-                      (hs-advance! 1)
-                      (build-name (str acc c) depth))))
-                ((and (< pos src-len) (= (hs-cur) "["))
-                  (do
-                    (let
-                      ((c (hs-cur)))
-                      (hs-advance! 1)
-                      (build-name (str acc c) (+ depth 1)))))
-                ((and (< pos src-len) (= (hs-cur) "]"))
-                  (do
-                    (let
-                      ((c (hs-cur)))
-                      (hs-advance! 1)
-                      (build-name
-                        (str acc c)
-                        (if (> depth 0) (- depth 1) 0)))))
-                ((and (< pos src-len) (> depth 0) (or (= (hs-cur) "(") (= (hs-cur) ")")))
-                  (do
-                    (let
-                      ((c (hs-cur)))
-                      (hs-advance! 1)
-                      (build-name (str acc c) depth))))
-                ((and (< pos src-len) (or (hs-ident-char? (hs-cur)) (= (hs-cur) ":") (= (hs-cur) "&")))
-                  (do
-                    (let
-                      ((c (hs-cur)))
-                      (hs-advance! 1)
-                      (build-name (str acc c) depth))))
-                (true acc))))
-          (build-name "" 0)))
       (define
         hs-emit!
         (fn
           (type value start)
-          (let
+          (append! tokens (hs-make-token type value start))))
-            ((tok (hs-make-token type value start))
-              (end-pos
-                (max pos (+ start (if (nil? value) 0 (len (str value)))))))
-            (do
-              (dict-set! tok "end" end-pos)
-              (dict-set! tok "line" (len (split (slice src 0 start) "\n")))
-              (append! tokens tok)))))
       (define
         scan!
         (fn
           ()
-          (let
-            ((ws-start pos))
           (skip-ws!)
-            (when
-              (and (> (len tokens) 0) (> pos ws-start))
-              (hs-emit! "whitespace" (slice src ws-start pos) ws-start)))
           (when
             (< pos src-len)
             (let
@@ -538,26 +453,10 @@
                     (= (hs-peek 1) "#")
                     (= (hs-peek 1) "[")
                     (= (hs-peek 1) "*")
-                    (= (hs-peek 1) ":")
+                    (= (hs-peek 1) ":")))
-                    (= (hs-peek 1) "$")))
                 (do (hs-emit! "selector" (read-selector) start) (scan!))
                 (and (= ch ".") (< (+ pos 1) src-len) (= (hs-peek 1) "."))
                 (do (hs-emit! "op" ".." start) (hs-advance! 2) (scan!))
-                (and
-                  (= ch ".")
-                  (< (+ pos 1) src-len)
-                  (or
-                    (hs-letter? (hs-peek 1))
-                    (= (hs-peek 1) "-")
-                    (= (hs-peek 1) "_"))
-                  (> (len tokens) 0)
-                  (let
-                    ((lt (dict-get (nth tokens (- (len tokens) 1)) :type)))
-                    (or
-                      (= lt "paren-close")
-                      (= lt "brace-close")
-                      (= lt "bracket-close"))))
-                (do (hs-emit! "dot" "." start) (hs-advance! 1) (scan!))
                 (and
                   (= ch ".")
                   (< (+ pos 1) src-len)
@@ -569,18 +468,6 @@
                   (hs-advance! 1)
                   (hs-emit! "class" (read-class-name pos) start)
                   (scan!))
-                (and
-                  (= ch "#")
-                  (< (+ pos 1) src-len)
-                  (hs-ident-start? (hs-peek 1))
-                  (> (len tokens) 0)
-                  (let
-                    ((lt (dict-get (nth tokens (- (len tokens) 1)) :type)))
-                    (or
-                      (= lt "paren-close")
-                      (= lt "brace-close")
-                      (= lt "bracket-close"))))
-                (do (hs-emit! "op" "#" start) (hs-advance! 1) (scan!))
                 (and
                   (= ch "#")
                   (< (+ pos 1) src-len)
@@ -649,12 +536,10 @@
                 (do
                   (let
                     ((word (read-ident start)))
-                    (let
-                      ((full-word (if (and (< pos src-len) (= (hs-cur) "'") (< (+ pos 1) src-len) (hs-letter? (hs-peek 1)) (not (and (= (hs-peek 1) "s") (or (>= (+ pos 2) src-len) (not (hs-ident-char? (hs-peek 2))))))) (do (hs-advance! 1) (str word "'" (read-ident pos))) word)))
                     (hs-emit!
-                        (if (hs-keyword? full-word) "keyword" "ident")
+                      (if (hs-keyword? word) "keyword" "ident")
-                        full-word
+                      word
-                        start)))
+                      start))
                   (scan!))
                 (and
                   (or (= ch "=") (= ch "!") (= ch "<") (= ch ">"))
@@ -735,82 +620,7 @@
                 (do (hs-emit! "colon" ":" start) (hs-advance! 1) (scan!))
                 (= ch "|")
                 (do (hs-emit! "op" "|" start) (hs-advance! 1) (scan!))
-                (= ch "&")
-                (do (hs-emit! "op" "&" start) (hs-advance! 1) (scan!))
-                (= ch "#")
-                (do (hs-emit! "op" "#" start) (hs-advance! 1) (scan!))
-                (= ch "?")
-                (do (hs-emit! "op" "?" start) (hs-advance! 1) (scan!))
-                (= ch ";")
-                (do (hs-emit! "op" ";" start) (hs-advance! 1) (scan!))
                 :else (do (hs-advance! 1) (scan!)))))))
       (scan!)
       (hs-emit! "eof" nil pos)
       tokens)))
-
-;; ── Template-mode tokenizer (E37 API) ────────────────────────────────
-;; Used by hs-tokens-of when :template flag is set.
-;; Emits outer " chars as single STRING tokens; ${ ... } as $ { <inner-tokens> };
-;; inner content is tokenized with the regular hs-tokenize.
-
-(define
-  hs-tokenize-template
-  (fn
-    (src)
-    (let
-      ((tokens (list)) (pos 0) (src-len (len src)))
-      (define t-cur (fn () (if (< pos src-len) (nth src pos) nil)))
-      (define t-peek (fn (n) (if (< (+ pos n) src-len) (nth src (+ pos n)) nil)))
-      (define t-advance! (fn (n) (set! pos (+ pos n))))
-      (define t-emit! (fn (type value) (append! tokens (hs-make-token type value pos))))
-      (define
-        scan-to-close!
-        (fn
-          (depth)
-          (when
-            (and (< pos src-len) (> depth 0))
-            (cond
-              (= (t-cur) "{")
-              (do (t-advance! 1) (scan-to-close! (+ depth 1)))
-              (= (t-cur) "}")
-              (when (> (- depth 1) 0) (t-advance! 1) (scan-to-close! (- depth 1)))
-              :else (do (t-advance! 1) (scan-to-close! depth))))))
-      (define
-        scan-template!
-        (fn
-          ()
-          (when
-            (< pos src-len)
-            (let
-              ((ch (t-cur)))
-              (cond
-                (= ch "\"")
-                (do (t-emit! "string" "\"") (t-advance! 1) (scan-template!))
-                (and (= ch "$") (= (t-peek 1) "{"))
-                (do
-                  (t-emit! "op" "$")
-                  (t-advance! 1)
-                  (t-emit! "brace-open" "{")
-                  (t-advance! 1)
-                  (let
-                    ((inner-start pos))
-                    (scan-to-close! 1)
-                    (let
-                      ((inner-src (slice src inner-start pos))
-                       (inner-toks (hs-tokenize inner-src)))
-                      (for-each
-                        (fn (tok)
-                          (when (not (= (get tok "type") "eof"))
-                            (append! tokens tok)))
-                        inner-toks))
-                    (t-emit! "brace-close" "}")
-                    (when (< pos src-len) (t-advance! 1)))
-                  (scan-template!))
-                (= ch "$")
-                (do (t-emit! "op" "$") (t-advance! 1) (scan-template!))
-                (hs-ws? ch)
-                (do (t-advance! 1) (scan-template!))
-                :else (do (t-advance! 1) (scan-template!)))))))
-      (scan-template!)
-      (t-emit! "eof" nil)
-      tokens)))

lib/prolog/compiler.sx

@@ -1,176 +0,0 @@
-;; lib/prolog/compiler.sx — clause compiler: parse-AST clauses → SX closures
-;;
-;; Each compiled clause is a lambda (fn (goal trail db cut-box k) bool)
-;; that creates fresh vars, builds the instantiated head/body, and calls
-;; pl-unify! + pl-solve! directly — no AST walk at solve time.
-;;
-;; Usage:
-;;   (pl-db-load! db (pl-parse src))
-;;   (pl-compile-db! db)
-;;   ; pl-solve-user! in runtime.sx automatically prefers compiled clauses
-;;   (pl-solve-once! db goal trail)
-
-;; Collect unique variable names from a parse-AST clause into a dict.
-(define
-  pl-cmp-vars-into!
-  (fn
-    (ast seen)
-    (cond
-      ((not (list? ast)) nil)
-      ((empty? ast) nil)
-      ((= (first ast) "var")
-        (let
-          ((name (nth ast 1)))
-          (when
-            (and (not (= name "_")) (not (dict-has? seen name)))
-            (dict-set! seen name true))))
-      ((= (first ast) "compound")
-        (for-each (fn (a) (pl-cmp-vars-into! a seen)) (nth ast 2)))
-      ((= (first ast) "clause")
-        (begin
-          (pl-cmp-vars-into! (nth ast 1) seen)
-          (pl-cmp-vars-into! (nth ast 2) seen))))))
-
-;; Return list of unique var names in a clause (head + body, excluding _).
-(define
-  pl-cmp-collect-vars
-  (fn
-    (clause)
-    (let ((seen {})) (pl-cmp-vars-into! clause seen) (keys seen))))
-
-;; Create a fresh runtime var for each name in the list; return name->var dict.
-(define
-  pl-cmp-make-var-map
-  (fn
-    (var-names)
-    (let
-      ((m {}))
-      (for-each
-        (fn (name) (dict-set! m name (pl-mk-rt-var name)))
-        var-names)
-      m)))
-
-;; Instantiate a parse-AST term using a pre-built var-map.
-;; ("var" "_") always gets a fresh anonymous var.
-(define
-  pl-cmp-build-term
-  (fn
-    (ast var-map)
-    (cond
-      ((pl-var? ast) ast)
-      ((not (list? ast)) ast)
-      ((empty? ast) ast)
-      ((= (first ast) "var")
-        (let
-          ((name (nth ast 1)))
-          (if (= name "_") (pl-mk-rt-var "_") (dict-get var-map name))))
-      ((or (= (first ast) "atom") (= (first ast) "num") (= (first ast) "str"))
-        ast)
-      ((= (first ast) "compound")
-        (list
-          "compound"
-          (nth ast 1)
-          (map (fn (a) (pl-cmp-build-term a var-map)) (nth ast 2))))
-      ((= (first ast) "clause")
-        (list
-          "clause"
-          (pl-cmp-build-term (nth ast 1) var-map)
-          (pl-cmp-build-term (nth ast 2) var-map)))
-      (true ast))))
-
-;; Compile one parse-AST clause to a lambda.
-;; Pre-computes var names at compile time; creates fresh vars per call.
-(define
-  pl-compile-clause
-  (fn
-    (clause)
-    (let
-      ((var-names (pl-cmp-collect-vars clause))
-        (head-ast (nth clause 1))
-        (body-ast (nth clause 2)))
-      (fn
-        (goal trail db cut-box k)
-        (let
-          ((var-map (pl-cmp-make-var-map var-names)))
-          (let
-            ((fresh-head (pl-cmp-build-term head-ast var-map))
-              (fresh-body (pl-cmp-build-term body-ast var-map)))
-            (let
-              ((mark (pl-trail-mark trail)))
-              (if
-                (pl-unify! goal fresh-head trail)
-                (let
-                  ((r (pl-solve! db fresh-body trail cut-box k)))
-                  (if r true (begin (pl-trail-undo-to! trail mark) false)))
-                (begin (pl-trail-undo-to! trail mark) false)))))))))
-
-;; Try a list of compiled clause lambdas — same cut semantics as pl-try-clauses!.
-(define
-  pl-try-compiled-clauses!
-  (fn
-    (db
-      goal
-      trail
-      compiled-clauses
-      outer-cut-box
-      outer-was-cut
-      inner-cut-box
-      k)
-    (cond
-      ((empty? compiled-clauses) false)
-      (true
-        (let
-          ((r ((first compiled-clauses) goal trail db inner-cut-box k)))
-          (cond
-            (r true)
-            ((dict-get inner-cut-box :cut) false)
-            ((and (not outer-was-cut) (dict-get outer-cut-box :cut)) false)
-            (true
-              (pl-try-compiled-clauses!
-                db
-                goal
-                trail
-                (rest compiled-clauses)
-                outer-cut-box
-                outer-was-cut
-                inner-cut-box
-                k))))))))
-
-;; Compile all clauses in DB and store in :compiled table.
-;; After this call, pl-solve-user! will dispatch via compiled lambdas.
-;; Note: clauses assert!-ed after this call are not compiled.
-(define
-  pl-compile-db!
-  (fn
-    (db)
-    (let
-      ((src-table (dict-get db :clauses)) (compiled-table {}))
-      (for-each
-        (fn
-          (key)
-          (dict-set!
-            compiled-table
-            key
-            (map pl-compile-clause (dict-get src-table key))))
-        (keys src-table))
-      (dict-set! db :compiled compiled-table)
-      db)))
-
-;; Cross-validate: load src into both a plain and a compiled DB,
-;; run goal-str through each, return true iff solution counts match.
-;; Use this to keep the interpreter as the reference implementation.
-(define
-  pl-compiled-matches-interp?
-  (fn
-    (src goal-str)
-    (let
-      ((db-interp (pl-mk-db)) (db-comp (pl-mk-db)))
-      (pl-db-load! db-interp (pl-parse src))
-      (pl-db-load! db-comp (pl-parse src))
-      (pl-compile-db! db-comp)
-      (let
-        ((gi (pl-instantiate (pl-parse-goal goal-str) {}))
-          (gc (pl-instantiate (pl-parse-goal goal-str) {})))
-        (=
-          (pl-solve-count! db-interp gi (pl-mk-trail))
-          (pl-solve-count! db-comp gc (pl-mk-trail)))))))

lib/prolog/conformance.sh

@@ -1,129 +0,0 @@
-#!/usr/bin/env bash
-# Run every Prolog test suite via sx_server and refresh scoreboard.{json,md}.
-# Exit 0 if all green, 1 if any failures.
-set -euo pipefail
-
-HERE="$(cd "$(dirname "$0")" && pwd)"
-ROOT="$(cd "$HERE/../.." && pwd)"
-SX="${SX_SERVER:-/root/rose-ash/hosts/ocaml/_build/default/bin/sx_server.exe}"
-
-if [[ ! -x "$SX" ]]; then
-  echo "sx_server not found at $SX (set SX_SERVER env to override)" >&2
-  exit 2
-fi
-
-cd "$ROOT"
-
-# name : test-file : runner-fn
-SUITES=(
-  "parse:lib/prolog/tests/parse.sx:pl-parse-tests-run!"
-  "unify:lib/prolog/tests/unify.sx:pl-unify-tests-run!"
-  "clausedb:lib/prolog/tests/clausedb.sx:pl-clausedb-tests-run!"
-  "solve:lib/prolog/tests/solve.sx:pl-solve-tests-run!"
-  "operators:lib/prolog/tests/operators.sx:pl-operators-tests-run!"
-  "dynamic:lib/prolog/tests/dynamic.sx:pl-dynamic-tests-run!"
-  "findall:lib/prolog/tests/findall.sx:pl-findall-tests-run!"
-  "term_inspect:lib/prolog/tests/term_inspect.sx:pl-term-inspect-tests-run!"
-  "append:lib/prolog/tests/programs/append.sx:pl-append-tests-run!"
-  "reverse:lib/prolog/tests/programs/reverse.sx:pl-reverse-tests-run!"
-  "member:lib/prolog/tests/programs/member.sx:pl-member-tests-run!"
-  "nqueens:lib/prolog/tests/programs/nqueens.sx:pl-nqueens-tests-run!"
-  "family:lib/prolog/tests/programs/family.sx:pl-family-tests-run!"
-  "atoms:lib/prolog/tests/atoms.sx:pl-atom-tests-run!"
-  "query_api:lib/prolog/tests/query_api.sx:pl-query-api-tests-run!"
-  "iso_predicates:lib/prolog/tests/iso_predicates.sx:pl-iso-predicates-tests-run!"
-  "meta_predicates:lib/prolog/tests/meta_predicates.sx:pl-meta-predicates-tests-run!"
-  "list_predicates:lib/prolog/tests/list_predicates.sx:pl-list-predicates-tests-run!"
-  "meta_call:lib/prolog/tests/meta_call.sx:pl-meta-call-tests-run!"
-  "set_predicates:lib/prolog/tests/set_predicates.sx:pl-set-predicates-tests-run!"
-  "char_predicates:lib/prolog/tests/char_predicates.sx:pl-char-predicates-tests-run!"
-  "io_predicates:lib/prolog/tests/io_predicates.sx:pl-io-predicates-tests-run!"
-  "assert_rules:lib/prolog/tests/assert_rules.sx:pl-assert-rules-tests-run!"
-  "string_agg:lib/prolog/tests/string_agg.sx:pl-string-agg-tests-run!"
-  "advanced:lib/prolog/tests/advanced.sx:pl-advanced-tests-run!"
-  "compiler:lib/prolog/tests/compiler.sx:pl-compiler-tests-run!"
-  "cross_validate:lib/prolog/tests/cross_validate.sx:pl-cross-validate-tests-run!"
-  "integration:lib/prolog/tests/integration.sx:pl-integration-tests-run!"
-  "hs_bridge:lib/prolog/tests/hs_bridge.sx:pl-hs-bridge-tests-run!"
-)
-
-SCRIPT='(epoch 1)
-(load "lib/prolog/tokenizer.sx")
-(load "lib/prolog/parser.sx")
-(load "lib/prolog/runtime.sx")
-(load "lib/prolog/query.sx")
-(load "lib/prolog/compiler.sx")
-(load "lib/prolog/hs-bridge.sx")'
-for entry in "${SUITES[@]}"; do
-  IFS=: read -r _ file _ <<< "$entry"
-  SCRIPT+=$'\n(load "'"$file"$'")'
-done
-for entry in "${SUITES[@]}"; do
-  IFS=: read -r _ _ fn <<< "$entry"
-  SCRIPT+=$'\n(eval "('"$fn"$')")'
-done
-
-OUTPUT="$(printf '%s\n' "$SCRIPT" | "$SX" 2>&1)"
-
-mapfile -t LINES < <(printf '%s\n' "$OUTPUT" | grep -E '^\{:failed')
-
-if [[ ${#LINES[@]} -ne ${#SUITES[@]} ]]; then
-  echo "Expected ${#SUITES[@]} suite results, got ${#LINES[@]}" >&2
-  echo "---- raw output ----" >&2
-  printf '%s\n' "$OUTPUT" >&2
-  exit 3
-fi
-
-TOTAL_PASS=0
-TOTAL_FAIL=0
-TOTAL=0
-JSON_SUITES=""
-MD_ROWS=""
-
-for i in "${!SUITES[@]}"; do
-  IFS=: read -r name _ _ <<< "${SUITES[$i]}"
-  line="${LINES[$i]}"
-  passed=$(grep -oE ':passed [0-9]+' <<< "$line" | grep -oE '[0-9]+')
-  total=$(grep -oE ':total [0-9]+' <<< "$line" | grep -oE '[0-9]+')
-  failed=$(grep -oE ':failed [0-9]+' <<< "$line" | grep -oE '[0-9]+')
-  TOTAL_PASS=$((TOTAL_PASS + passed))
-  TOTAL_FAIL=$((TOTAL_FAIL + failed))
-  TOTAL=$((TOTAL + total))
-  status="ok"
-  [[ "$failed" -gt 0 ]] && status="FAIL"
-  [[ -n "$JSON_SUITES" ]] && JSON_SUITES+=","
-  JSON_SUITES+="\"$name\":{\"passed\":$passed,\"total\":$total,\"failed\":$failed}"
-  MD_ROWS+="| $name | $passed | $total | $status |"$'\n'
-done
-
-WHEN="$(date -Iseconds 2>/dev/null || date)"
-
-cat > "$HERE/scoreboard.json" <<JSON
-{
-  "total_passed": $TOTAL_PASS,
-  "total_failed": $TOTAL_FAIL,
-  "total": $TOTAL,
-  "suites": {$JSON_SUITES},
-  "generated": "$WHEN"
-}
-JSON
-
-cat > "$HERE/scoreboard.md" <<MD
-# Prolog scoreboard
-
-**$TOTAL_PASS / $TOTAL passing** ($TOTAL_FAIL failure(s)).
-Generated $WHEN.
-
-| Suite | Passed | Total | Status |
-|-------|--------|-------|--------|
-$MD_ROWS
-Run \`bash lib/prolog/conformance.sh\` to refresh. Override the binary
-with \`SX_SERVER=path/to/sx_server.exe bash …\`.
-MD
-
-if [[ "$TOTAL_FAIL" -gt 0 ]]; then
-  echo "$TOTAL_FAIL failure(s) across $TOTAL tests" >&2
-  exit 1
-fi
-
-echo "All $TOTAL tests pass."

lib/prolog/hs-bridge.sx

@@ -1,84 +0,0 @@
-;; lib/prolog/hs-bridge.sx — Prolog ↔ Hyperscript bridge
-;;
-;; Two complementary integration styles:
-;;
-;; 1. Hook style — for `prolog(db, "goal(args)")` call syntax in Hyperscript:
-;;      (pl-install-hs-hook!)   ;; call once at startup
-;;    Requires lib/hyperscript/runtime.sx (provides hs-set-prolog-hook!)
-;;
-;; 2. Factory style — for named conditions like `when allowed(user, action)`:
-;;      (define allowed (pl-hs-predicate/2 pl-db "allowed"))
-;;    No parser/compiler changes needed: Hyperscript compiles
-;;    `allowed(user, action)` to `(allowed user action)` — a plain SX call.
-;;
-;; Requires tokenizer.sx, parser.sx, runtime.sx, query.sx loaded first.
-
-;; --- Hook style ---
-
-(define
-  pl-install-hs-hook!
-  (fn
-    ()
-    (hs-set-prolog-hook!
-      (fn (db goal) (not (= nil (pl-query-one db goal)))))))
-
-;; --- Factory style ---
-
-;; Test whether a ground Prolog goal succeeds against db.
-;; Returns true/false (not a solution dict).
-(define
-  pl-hs-query
-  (fn (db goal-str) (not (nil? (pl-query-one db goal-str)))))
-
-;; Build a Prolog goal string from a predicate name and arg list.
-;; SX values: strings/keywords pass through; numbers are stringified via str.
-(define
-  pl-hs-build-goal
-  (fn
-    (pred-name args)
-    (str pred-name "(" (join ", " (map (fn (a) (str a)) args)) ")")))
-
-;; Return a 1-arg SX function that succeeds iff pred(a) holds in db.
-(define
-  pl-hs-predicate/1
-  (fn
-    (db pred-name)
-    (fn (a) (pl-hs-query db (pl-hs-build-goal pred-name (list a))))))
-
-;; Return a 2-arg SX function that succeeds iff pred(a, b) holds in db.
-(define
-  pl-hs-predicate/2
-  (fn
-    (db pred-name)
-    (fn (a b) (pl-hs-query db (pl-hs-build-goal pred-name (list a b))))))
-
-;; Return a 3-arg SX function that succeeds iff pred(a, b, c) holds in db.
-(define
-  pl-hs-predicate/3
-  (fn
-    (db pred-name)
-    (fn (a b c) (pl-hs-query db (pl-hs-build-goal pred-name (list a b c))))))
-
-;; Install every predicate in install-list as a named SX function backed by db.
-;; install-list: list of (name arity) pairs.
-;; Returns a dict {name → fn} for the caller to destructure.
-(define
-  pl-hs-install
-  (fn
-    (db install-list)
-    (reduce
-      (fn
-        (acc entry)
-        (let
-          ((pred-name (first entry)) (arity (nth entry 1)))
-          (dict-set!
-            acc
-            pred-name
-            (cond
-              ((= arity 1) (pl-hs-predicate/1 db pred-name))
-              ((= arity 2) (pl-hs-predicate/2 db pred-name))
-              ((= arity 3) (pl-hs-predicate/3 db pred-name))
-              (true (fn (a b) false))))
-          acc))
-      {}
-      install-list)))

lib/prolog/parser.sx

@@ -1,20 +1,28 @@
 ;; lib/prolog/parser.sx — tokens → Prolog AST
 ;;
-;; Phase 4 grammar (with operator table):
+;; Phase 1 grammar (NO operator table yet):
 ;;   Program      := Clause* EOF
-;;   Clause       := Term[999] "." | Term[999] ":-" Term[1200] "."
+;;   Clause       := Term "." | Term ":-" Term "."
-;;   Term[Pmax] uses precedence climbing on the operator table:
+;;   Term         := Atom | Var | Number | String | Compound | List
-;;     primary = Atom | Var | Number | String | Compound | List | "(" Term[1200] ")"
+;;   Compound     := atom "(" ArgList ")"
-;;     while next token is infix op `op` with prec(op) ≤ Pmax:
+;;   ArgList      := Term ("," Term)*
-;;       consume op; parse rhs at right-prec(op); fold into compound(op-name,[lhs,rhs])
+;;   List         := "[" "]" | "[" Term ("," Term)* ("|" Term)? "]"
 ;;
-;; Op type → right-prec for op at precedence P:
+;; Term AST shapes (all tagged lists for uniform dispatch):
-;;   xfx → P-1   strict-both
+;;   ("atom"  name)            — atom
-;;   xfy → P     right-associative
+;;   ("var"   name)            — variable template (parser-time only)
-;;   yfx → P-1   left-associative
+;;   ("num"   value)           — integer or float
+;;   ("str"   value)           — string literal
+;;   ("compound" functor args) — compound term, args is list of term-ASTs
+;;   ("cut")                   — the cut atom !
 ;;
-;; AST shapes are unchanged — operators just become compound terms.
+;; A clause is (list "clause" head body). A fact is head with body = ("atom" "true").
+;;
+;; The empty list is (atom "[]"). Cons is compound "." with two args:
+;; [1, 2, 3]   → .(1, .(2, .(3, [])))
+;; [H|T]       → .(H, T)
 
+;; ── Parser state helpers ────────────────────────────────────────────
 (define
   pp-peek
   (fn
@@ -58,6 +66,7 @@
             (if (= (get t :value) nil) "" (get t :value))
             "'"))))))
 
+;; ── AST constructors ────────────────────────────────────────────────
 (define pl-mk-atom (fn (name) (list "atom" name)))
 (define pl-mk-var (fn (name) (list "var" name)))
 (define pl-mk-num (fn (n) (list "num" n)))
@@ -65,14 +74,18 @@
 (define pl-mk-compound (fn (f args) (list "compound" f args)))
 (define pl-mk-cut (fn () (list "cut")))
 
+;; Term tag extractors
 (define pl-term-tag (fn (t) (if (list? t) (first t) nil)))
 (define pl-term-val (fn (t) (nth t 1)))
 (define pl-compound-functor (fn (t) (nth t 1)))
 (define pl-compound-args (fn (t) (nth t 2)))
 
+;; Empty-list atom and cons helpers
 (define pl-nil-term (fn () (pl-mk-atom "[]")))
+
 (define pl-mk-cons (fn (h t) (pl-mk-compound "." (list h t))))
 
+;; Build cons list from a list of terms + optional tail
 (define
   pl-mk-list-term
   (fn
@@ -82,61 +95,9 @@
       tail
       (pl-mk-cons (first items) (pl-mk-list-term (rest items) tail)))))
 
-;; ── Operator table (Phase 4) ──────────────────────────────────────
-;; Each entry: (name precedence type). Type ∈ "xfx" "xfy" "yfx".
-(define
-  pl-op-table
-  (list
-    (list "," 1000 "xfy")
-    (list ";" 1100 "xfy")
-    (list "->" 1050 "xfy")
-    (list "=" 700 "xfx")
-    (list "\\=" 700 "xfx")
-    (list "is" 700 "xfx")
-    (list "<" 700 "xfx")
-    (list ">" 700 "xfx")
-    (list "=<" 700 "xfx")
-    (list ">=" 700 "xfx")
-    (list "+" 500 "yfx")
-    (list "-" 500 "yfx")
-    (list "*" 400 "yfx")
-    (list "/" 400 "yfx")
-    (list ":-" 1200 "xfx")
-    (list "mod" 400 "yfx")))
-
-(define
-  pl-op-find
-  (fn
-    (name table)
-    (cond
-      ((empty? table) nil)
-      ((= (first (first table)) name) (rest (first table)))
-      (true (pl-op-find name (rest table))))))
-
-(define pl-op-lookup (fn (name) (pl-op-find name pl-op-table)))
-
-;; Token → (name prec type) for known infix ops, else nil.
-(define
-  pl-token-op
-  (fn
-    (t)
-    (let
-      ((ty (get t :type)) (vv (get t :value)))
-      (cond
-        ((and (= ty "punct") (= vv ","))
-          (let
-            ((info (pl-op-lookup ",")))
-            (if (nil? info) nil (cons "," info))))
-        ((or (= ty "atom") (= ty "op"))
-          (let
-            ((info (pl-op-lookup vv)))
-            (if (nil? info) nil (cons vv info))))
-        (true nil)))))
-
 ;; ── Term parser ─────────────────────────────────────────────────────
-;; Primary term: atom, var, num, str, compound (atom + paren), list, cut, parens.
 (define
-  pp-parse-primary
+  pp-parse-term
   (fn
     (st)
     (let
@@ -150,12 +111,6 @@
           ((and (= ty "op") (= vv "!"))
             (do (pp-advance! st) (pl-mk-cut)))
           ((and (= ty "punct") (= vv "[")) (pp-parse-list st))
-          ((and (= ty "punct") (= vv "("))
-            (do
-              (pp-advance! st)
-              (let
-                ((inner (pp-parse-term-prec st 1200)))
-                (do (pp-expect! st "punct" ")") inner))))
           ((= ty "atom")
             (do
               (pp-advance! st)
@@ -178,51 +133,13 @@
                 (if (= vv nil) "" vv)
                 "'"))))))))
 
-;; Operator-aware term parser: precedence climbing.
+;; Parse one or more comma-separated terms (arguments).
-(define
-  pp-parse-term-prec
-  (fn
-    (st max-prec)
-    (let ((left (pp-parse-primary st))) (pp-parse-op-rhs st left max-prec))))
-
-(define
-  pp-parse-op-rhs
-  (fn
-    (st left max-prec)
-    (let
-      ((op-info (pl-token-op (pp-peek st))))
-      (cond
-        ((nil? op-info) left)
-        (true
-          (let
-            ((name (first op-info))
-              (prec (nth op-info 1))
-              (ty (nth op-info 2)))
-            (cond
-              ((> prec max-prec) left)
-              (true
-                (let
-                  ((right-prec (if (= ty "xfy") prec (- prec 1))))
-                  (do
-                    (pp-advance! st)
-                    (let
-                      ((right (pp-parse-term-prec st right-prec)))
-                      (pp-parse-op-rhs
-                        st
-                        (pl-mk-compound name (list left right))
-                        max-prec))))))))))))
-
-;; Backwards-compat alias.
-(define pp-parse-term (fn (st) (pp-parse-term-prec st 999)))
-
-;; Args inside parens: parse at prec 999 so comma-as-operator (1000)
-;; is not consumed; the explicit comma loop handles separation.
 (define
   pp-parse-arg-list
   (fn
     (st)
     (let
-      ((first-arg (pp-parse-term-prec st 999)) (args (list)))
+      ((first-arg (pp-parse-term st)) (args (list)))
       (do
         (append! args first-arg)
         (define
@@ -233,12 +150,12 @@
               (pp-at? st "punct" ",")
               (do
                 (pp-advance! st)
-                (append! args (pp-parse-term-prec st 999))
+                (append! args (pp-parse-term st))
                 (loop)))))
         (loop)
         args))))
 
-;; List literal.
+;; Parse a [ ... ] list literal. Consumes the "[".
 (define
   pp-parse-list
   (fn
@@ -251,7 +168,7 @@
         (let
           ((items (list)))
           (do
-            (append! items (pp-parse-term-prec st 999))
+            (append! items (pp-parse-term st))
             (define
               comma-loop
               (fn
@@ -260,17 +177,52 @@
                   (pp-at? st "punct" ",")
                   (do
                     (pp-advance! st)
-                    (append! items (pp-parse-term-prec st 999))
+                    (append! items (pp-parse-term st))
                     (comma-loop)))))
             (comma-loop)
             (let
-              ((tail (if (pp-at? st "punct" "|") (do (pp-advance! st) (pp-parse-term-prec st 999)) (pl-nil-term))))
+              ((tail (if (pp-at? st "punct" "|") (do (pp-advance! st) (pp-parse-term st)) (pl-nil-term))))
               (do (pp-expect! st "punct" "]") (pl-mk-list-term items tail)))))))))
 
 ;; ── Body parsing ────────────────────────────────────────────────────
-;; A body is a single term parsed at prec 1200 — operator parser folds
+;; A clause body is a comma-separated list of goals. We flatten into a
-;; `,`, `;`, `->` automatically into right-associative compounds.
+;; right-associative `,` compound: (A, B, C) → ','(A, ','(B, C))
-(define pp-parse-body (fn (st) (pp-parse-term-prec st 1200)))
+;; If only one goal, it's that goal directly.
+(define
+  pp-parse-body
+  (fn
+    (st)
+    (let
+      ((first-goal (pp-parse-term st)) (rest-goals (list)))
+      (do
+        (define
+          gloop
+          (fn
+            ()
+            (when
+              (pp-at? st "punct" ",")
+              (do
+                (pp-advance! st)
+                (append! rest-goals (pp-parse-term st))
+                (gloop)))))
+        (gloop)
+        (if
+          (= (len rest-goals) 0)
+          first-goal
+          (pp-build-conj first-goal rest-goals))))))
+
+(define
+  pp-build-conj
+  (fn
+    (first-goal rest-goals)
+    (if
+      (= (len rest-goals) 0)
+      first-goal
+      (pl-mk-compound
+        ","
+        (list
+          first-goal
+          (pp-build-conj (first rest-goals) (rest rest-goals)))))))
 
 ;; ── Clause parsing ──────────────────────────────────────────────────
 (define
@@ -278,11 +230,12 @@
   (fn
     (st)
     (let
-      ((head (pp-parse-term-prec st 999)))
+      ((head (pp-parse-term st)))
       (let
         ((body (if (pp-at? st "op" ":-") (do (pp-advance! st) (pp-parse-body st)) (pl-mk-atom "true"))))
         (do (pp-expect! st "punct" ".") (list "clause" head body))))))
 
+;; Parse an entire program — returns list of clauses.
 (define
   pl-parse-program
   (fn
@@ -300,9 +253,13 @@
         (ploop)
         clauses))))
 
+;; Parse a single query term (no trailing "."). Returns the term.
 (define
   pl-parse-query
   (fn (tokens) (let ((st {:idx 0 :tokens tokens})) (pp-parse-body st))))
 
+;; Convenience: source → clauses
 (define pl-parse (fn (src) (pl-parse-program (pl-tokenize src))))
+
+;; Convenience: source → query term
 (define pl-parse-goal (fn (src) (pl-parse-query (pl-tokenize src))))

lib/prolog/query.sx

@@ -1,114 +0,0 @@
-;; lib/prolog/query.sx — high-level Prolog query API for SX/Hyperscript callers.
-;;
-;; Requires tokenizer.sx, parser.sx, runtime.sx to be loaded first.
-;;
-;; Public API:
-;;   (pl-load source-str)                → db
-;;   (pl-query-all db query-str)         → list of solution dicts {var-name → term-string}
-;;   (pl-query-one db query-str)         → first solution dict or nil
-;;   (pl-query source-str query-str)     → list of solution dicts (convenience)
-
-;; Collect variable name strings from a parse-time AST (pre-instantiation).
-;; Returns list of unique strings, excluding anonymous "_".
-(define
-  pl-query-extract-vars
-  (fn
-    (ast)
-    (let
-      ((seen {}))
-      (let
-        ((collect!
-          (fn
-            (t)
-            (cond
-              ((not (list? t)) nil)
-              ((empty? t) nil)
-              ((= (first t) "var")
-                (if
-                  (not (= (nth t 1) "_"))
-                  (dict-set! seen (nth t 1) true)
-                  nil))
-              ((= (first t) "compound")
-                (for-each collect! (nth t 2)))
-              (true nil)))))
-        (collect! ast)
-        (keys seen)))))
-
-;; Build a solution dict from a var-env after a successful solve.
-;; Maps each variable name string to its formatted term value.
-(define
-  pl-query-solution-dict
-  (fn
-    (var-names var-env)
-    (let
-      ((d {}))
-      (for-each
-        (fn (name) (dict-set! d name (pl-format-term (dict-get var-env name))))
-        var-names)
-      d)))
-
-;; Parse source-str and load clauses into a fresh DB.
-;; Returns the DB for reuse across multiple queries.
-(define
-  pl-load
-  (fn
-    (source-str)
-    (let
-      ((db (pl-mk-db)))
-      (if
-        (and (string? source-str) (not (= source-str "")))
-        (pl-db-load! db (pl-parse source-str))
-        nil)
-      db)))
-
-;; Run query-str against db, returning a list of solution dicts.
-;; Each dict maps variable name strings to their formatted term values.
-;; Returns an empty list if no solutions.
-(define
-  pl-query-all
-  (fn
-    (db query-str)
-    (let
-      ((parsed (pl-parse (str "q_ :- " query-str "."))))
-      (let
-        ((body-ast (nth (first parsed) 2)))
-        (let
-          ((var-names (pl-query-extract-vars body-ast))
-           (var-env {}))
-          (let
-            ((goal (pl-instantiate body-ast var-env))
-             (trail (pl-mk-trail))
-             (solutions (list)))
-            (let
-              ((mark (pl-trail-mark trail)))
-              (pl-solve!
-                db
-                goal
-                trail
-                {:cut false}
-                (fn
-                  ()
-                  (begin
-                    (append!
-                      solutions
-                      (pl-query-solution-dict var-names var-env))
-                    false)))
-              (pl-trail-undo-to! trail mark)
-              solutions)))))))
-
-;; Return the first solution dict, or nil if no solutions.
-(define
-  pl-query-one
-  (fn
-    (db query-str)
-    (let
-      ((all (pl-query-all db query-str)))
-      (if (empty? all) nil (first all)))))
-
-;; Convenience: parse source-str, then run query-str against it.
-;; Returns a list of solution dicts. Creates a fresh DB each call.
-(define
-  pl-query
-  (fn
-    (source-str query-str)
-    (pl-query-all (pl-load source-str) query-str)))

lib/prolog/scoreboard.json

@@ -1,7 +0,0 @@
-{
-  "total_passed": 590,
-  "total_failed": 0,
-  "total": 590,
-  "suites": {"parse":{"passed":25,"total":25,"failed":0},"unify":{"passed":47,"total":47,"failed":0},"clausedb":{"passed":14,"total":14,"failed":0},"solve":{"passed":62,"total":62,"failed":0},"operators":{"passed":19,"total":19,"failed":0},"dynamic":{"passed":11,"total":11,"failed":0},"findall":{"passed":11,"total":11,"failed":0},"term_inspect":{"passed":14,"total":14,"failed":0},"append":{"passed":6,"total":6,"failed":0},"reverse":{"passed":6,"total":6,"failed":0},"member":{"passed":7,"total":7,"failed":0},"nqueens":{"passed":6,"total":6,"failed":0},"family":{"passed":10,"total":10,"failed":0},"atoms":{"passed":34,"total":34,"failed":0},"query_api":{"passed":16,"total":16,"failed":0},"iso_predicates":{"passed":29,"total":29,"failed":0},"meta_predicates":{"passed":25,"total":25,"failed":0},"list_predicates":{"passed":33,"total":33,"failed":0},"meta_call":{"passed":15,"total":15,"failed":0},"set_predicates":{"passed":15,"total":15,"failed":0},"char_predicates":{"passed":27,"total":27,"failed":0},"io_predicates":{"passed":24,"total":24,"failed":0},"assert_rules":{"passed":15,"total":15,"failed":0},"string_agg":{"passed":25,"total":25,"failed":0},"advanced":{"passed":21,"total":21,"failed":0},"compiler":{"passed":17,"total":17,"failed":0},"cross_validate":{"passed":17,"total":17,"failed":0},"integration":{"passed":20,"total":20,"failed":0},"hs_bridge":{"passed":19,"total":19,"failed":0}},
-  "generated": "2026-05-06T12:17:46+00:00"
-}

lib/prolog/scoreboard.md

@@ -1,39 +0,0 @@
-# Prolog scoreboard
-
-**590 / 590 passing** (0 failure(s)).
-Generated 2026-05-06T12:17:46+00:00.
-
-| Suite | Passed | Total | Status |
-|-------|--------|-------|--------|
-| parse | 25 | 25 | ok |
-| unify | 47 | 47 | ok |
-| clausedb | 14 | 14 | ok |
-| solve | 62 | 62 | ok |
-| operators | 19 | 19 | ok |
-| dynamic | 11 | 11 | ok |
-| findall | 11 | 11 | ok |
-| term_inspect | 14 | 14 | ok |
-| append | 6 | 6 | ok |
-| reverse | 6 | 6 | ok |
-| member | 7 | 7 | ok |
-| nqueens | 6 | 6 | ok |
-| family | 10 | 10 | ok |
-| atoms | 34 | 34 | ok |
-| query_api | 16 | 16 | ok |
-| iso_predicates | 29 | 29 | ok |
-| meta_predicates | 25 | 25 | ok |
-| list_predicates | 33 | 33 | ok |
-| meta_call | 15 | 15 | ok |
-| set_predicates | 15 | 15 | ok |
-| char_predicates | 27 | 27 | ok |
-| io_predicates | 24 | 24 | ok |
-| assert_rules | 15 | 15 | ok |
-| string_agg | 25 | 25 | ok |
-| advanced | 21 | 21 | ok |
-| compiler | 17 | 17 | ok |
-| cross_validate | 17 | 17 | ok |
-| integration | 20 | 20 | ok |
-| hs_bridge | 19 | 19 | ok |
-
-Run `bash lib/prolog/conformance.sh` to refresh. Override the binary
-with `SX_SERVER=path/to/sx_server.exe bash …`.

lib/prolog/tests/advanced.sx

@@ -1,254 +0,0 @@
-;; lib/prolog/tests/advanced.sx — predsort/3, term_variables/2, arith extensions
-
-(define pl-adv-test-count 0)
-(define pl-adv-test-pass 0)
-(define pl-adv-test-fail 0)
-(define pl-adv-test-failures (list))
-
-(define
-  pl-adv-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-adv-test-count (+ pl-adv-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-adv-test-pass (+ pl-adv-test-pass 1))
-        (begin
-          (set! pl-adv-test-fail (+ pl-adv-test-fail 1))
-          (append!
-            pl-adv-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-adv-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-(define pl-adv-db (pl-mk-db))
-;; Load a numeric comparator for predsort tests
-(pl-db-load!
-  pl-adv-db
-  (pl-parse
-    "cmp_num(Order, X, Y) :- (X < Y -> Order = '<' ; (X > Y -> Order = '>' ; Order = '='))."))
-
-;; ── Arithmetic extensions ──────────────────────────────────────────
-
-(define pl-adv-arith-env-1 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is floor(3.7)" pl-adv-arith-env-1)
-  (pl-mk-trail))
-(pl-adv-test!
-  "floor(3.7) = 3"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-1 "X")))
-  3)
-
-(define pl-adv-arith-env-2 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is ceiling(3.2)" pl-adv-arith-env-2)
-  (pl-mk-trail))
-(pl-adv-test!
-  "ceiling(3.2) = 4"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-2 "X")))
-  4)
-
-(define pl-adv-arith-env-3 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is truncate(3.9)" pl-adv-arith-env-3)
-  (pl-mk-trail))
-(pl-adv-test!
-  "truncate(3.9) = 3"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-3 "X")))
-  3)
-
-(define pl-adv-arith-env-4 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is truncate(0 - 3.9)" pl-adv-arith-env-4)
-  (pl-mk-trail))
-(pl-adv-test!
-  "truncate(0-3.9) = -3"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-4 "X")))
-  -3)
-
-(define pl-adv-arith-env-5 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is round(3.5)" pl-adv-arith-env-5)
-  (pl-mk-trail))
-(pl-adv-test!
-  "round(3.5) = 4"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-5 "X")))
-  4)
-
-(define pl-adv-arith-env-6 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is sqrt(4.0)" pl-adv-arith-env-6)
-  (pl-mk-trail))
-(pl-adv-test!
-  "sqrt(4.0) = 2"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-6 "X")))
-  2)
-
-(define pl-adv-arith-env-7 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is sign(0 - 5)" pl-adv-arith-env-7)
-  (pl-mk-trail))
-(pl-adv-test!
-  "sign(0-5) = -1"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-7 "X")))
-  -1)
-
-(define pl-adv-arith-env-8 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is sign(0)" pl-adv-arith-env-8)
-  (pl-mk-trail))
-(pl-adv-test!
-  "sign(0) = 0"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-8 "X")))
-  0)
-
-(define pl-adv-arith-env-9 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is sign(3)" pl-adv-arith-env-9)
-  (pl-mk-trail))
-(pl-adv-test!
-  "sign(3) = 1"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-9 "X")))
-  1)
-
-(define pl-adv-arith-env-10 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is pow(2, 3)" pl-adv-arith-env-10)
-  (pl-mk-trail))
-(pl-adv-test!
-  "pow(2,3) = 8"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-10 "X")))
-  8)
-
-(define pl-adv-arith-env-11 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is floor(0 - 3.7)" pl-adv-arith-env-11)
-  (pl-mk-trail))
-(pl-adv-test!
-  "floor(0-3.7) = -4"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-11 "X")))
-  -4)
-
-(define pl-adv-arith-env-12 {:X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "X is ceiling(0 - 3.2)" pl-adv-arith-env-12)
-  (pl-mk-trail))
-(pl-adv-test!
-  "ceiling(0-3.2) = -3"
-  (pl-num-val (pl-walk-deep (dict-get pl-adv-arith-env-12 "X")))
-  -3)
-
-;; ── term_variables/2 ──────────────────────────────────────────────
-
-(define pl-adv-tv-env-1 {:Vs (pl-mk-rt-var "Vs")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "term_variables(hello, Vs)" pl-adv-tv-env-1)
-  (pl-mk-trail))
-(pl-adv-test!
-  "term_variables(hello,Vs) -> []"
-  (pl-format-term (pl-walk-deep (dict-get pl-adv-tv-env-1 "Vs")))
-  "[]")
-
-(define pl-adv-tv-env-2 {:Vs (pl-mk-rt-var "Vs")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "term_variables(f(a, g(b)), Vs)" pl-adv-tv-env-2)
-  (pl-mk-trail))
-(pl-adv-test!
-  "term_variables(f(a,g(b)),Vs) -> []"
-  (pl-format-term (pl-walk-deep (dict-get pl-adv-tv-env-2 "Vs")))
-  "[]")
-
-(define pl-adv-tv-env-3 {:Y (pl-mk-rt-var "Y") :Vs (pl-mk-rt-var "Vs") :X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "term_variables(f(X, Y), Vs)" pl-adv-tv-env-3)
-  (pl-mk-trail))
-(pl-adv-test!
-  "term_variables(f(X,Y),Vs) has 2 vars"
-  (pl-list-length (pl-walk-deep (dict-get pl-adv-tv-env-3 "Vs")))
-  2)
-
-(define pl-adv-tv-env-4 {:Vs (pl-mk-rt-var "Vs") :X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "term_variables(X, Vs)" pl-adv-tv-env-4)
-  (pl-mk-trail))
-(pl-adv-test!
-  "term_variables(X,Vs) has 1 var"
-  (pl-list-length (pl-walk-deep (dict-get pl-adv-tv-env-4 "Vs")))
-  1)
-
-(define pl-adv-tv-env-5 {:Y (pl-mk-rt-var "Y") :Vs (pl-mk-rt-var "Vs") :X (pl-mk-rt-var "X")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "term_variables(foo(X, Y, X), Vs)" pl-adv-tv-env-5)
-  (pl-mk-trail))
-(pl-adv-test!
-  "term_variables(foo(X,Y,X),Vs) deduplicates X -> 2 vars"
-  (pl-list-length (pl-walk-deep (dict-get pl-adv-tv-env-5 "Vs")))
-  2)
-
-;; ── predsort/3 ────────────────────────────────────────────────────
-
-(define pl-adv-ps-env-1 {:R (pl-mk-rt-var "R")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "predsort(cmp_num, [], R)" pl-adv-ps-env-1)
-  (pl-mk-trail))
-(pl-adv-test!
-  "predsort([]) -> []"
-  (pl-format-term (pl-walk-deep (dict-get pl-adv-ps-env-1 "R")))
-  "[]")
-
-(define pl-adv-ps-env-2 {:R (pl-mk-rt-var "R")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "predsort(cmp_num, [1], R)" pl-adv-ps-env-2)
-  (pl-mk-trail))
-(pl-adv-test!
-  "predsort([1]) -> [1]"
-  (pl-format-term (pl-walk-deep (dict-get pl-adv-ps-env-2 "R")))
-  ".(1, [])")
-
-(define pl-adv-ps-env-3 {:R (pl-mk-rt-var "R")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "predsort(cmp_num, [3,1,2], R)" pl-adv-ps-env-3)
-  (pl-mk-trail))
-(pl-adv-test!
-  "predsort([3,1,2]) -> [1,2,3]"
-  (pl-format-term (pl-walk-deep (dict-get pl-adv-ps-env-3 "R")))
-  ".(1, .(2, .(3, [])))")
-
-(define pl-adv-ps-env-4 {:R (pl-mk-rt-var "R")})
-(pl-solve-once!
-  pl-adv-db
-  (pl-adv-goal "predsort(cmp_num, [3,1,2,1,3], R)" pl-adv-ps-env-4)
-  (pl-mk-trail))
-(pl-adv-test!
-  "predsort([3,1,2,1,3]) dedup -> [1,2,3]"
-  (pl-format-term (pl-walk-deep (dict-get pl-adv-ps-env-4 "R")))
-  ".(1, .(2, .(3, [])))")
-
-;; ── Runner ─────────────────────────────────────────────────────────
-
-(define pl-advanced-tests-run! (fn () {:failed pl-adv-test-fail :passed pl-adv-test-pass :total pl-adv-test-count :failures pl-adv-test-failures}))

lib/prolog/tests/assert_rules.sx

@@ -1,215 +0,0 @@
-;; lib/prolog/tests/assert_rules.sx — assert/assertz/asserta with rule terms (head :- body)
-;; Tests that :- is in the op table (prec 1200 xfx) and pl-build-clause handles rule form.
-
-(define pl-ar-test-count 0)
-(define pl-ar-test-pass 0)
-(define pl-ar-test-fail 0)
-(define pl-ar-test-failures (list))
-
-(define
-  pl-ar-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-ar-test-count (+ pl-ar-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-ar-test-pass (+ pl-ar-test-pass 1))
-        (begin
-          (set! pl-ar-test-fail (+ pl-ar-test-fail 1))
-          (append!
-            pl-ar-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-ar-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-;; ── DB1: assertz a simple rule then query ──────────────────────────
-(define pl-ar-db1 (pl-mk-db))
-
-(pl-solve-once!
-  pl-ar-db1
-  (pl-ar-goal "assertz((double(X, Y) :- Y is X * 2))" {})
-  (pl-mk-trail))
-
-(pl-ar-test!
-  "assertz rule: double(3, Y) succeeds"
-  (pl-solve-once!
-    pl-ar-db1
-    (pl-ar-goal "double(3, Y)" {})
-    (pl-mk-trail))
-  true)
-
-(define pl-ar-env1 {})
-(pl-solve-once!
-  pl-ar-db1
-  (pl-ar-goal "double(3, Y)" pl-ar-env1)
-  (pl-mk-trail))
-
-(pl-ar-test!
-  "assertz rule: double(3, Y) binds Y to 6"
-  (pl-num-val (pl-walk-deep (dict-get pl-ar-env1 "Y")))
-  6)
-
-(define pl-ar-env1b {})
-(pl-solve-once!
-  pl-ar-db1
-  (pl-ar-goal "double(10, Y)" pl-ar-env1b)
-  (pl-mk-trail))
-
-(pl-ar-test!
-  "assertz rule: double(10, Y) yields 20"
-  (pl-num-val (pl-walk-deep (dict-get pl-ar-env1b "Y")))
-  20)
-
-;; ── DB2: assert a rule with multiple facts, count solutions ─────────
-(define pl-ar-db2 (pl-mk-db))
-
-(pl-solve-once!
-  pl-ar-db2
-  (pl-ar-goal "assert(fact(a))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-ar-db2
-  (pl-ar-goal "assert(fact(b))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-ar-db2
-  (pl-ar-goal "assertz((copy(X) :- fact(X)))" {})
-  (pl-mk-trail))
-
-(pl-ar-test!
-  "rule copy/1 using fact/1: 2 solutions"
-  (pl-solve-count! pl-ar-db2 (pl-ar-goal "copy(X)" {}) (pl-mk-trail))
-  2)
-
-(define pl-ar-env2a {})
-(pl-solve-once! pl-ar-db2 (pl-ar-goal "copy(X)" pl-ar-env2a) (pl-mk-trail))
-
-(pl-ar-test!
-  "rule copy/1: first solution is a"
-  (pl-atom-name (pl-walk-deep (dict-get pl-ar-env2a "X")))
-  "a")
-
-;; ── DB3: asserta rule is tried before existing clauses ─────────────
-(define pl-ar-db3 (pl-mk-db))
-
-(pl-solve-once!
-  pl-ar-db3
-  (pl-ar-goal "assert(ord(a))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-ar-db3
-  (pl-ar-goal "asserta((ord(b) :- true))" {})
-  (pl-mk-trail))
-
-(define pl-ar-env3 {})
-(pl-solve-once! pl-ar-db3 (pl-ar-goal "ord(X)" pl-ar-env3) (pl-mk-trail))
-
-(pl-ar-test!
-  "asserta rule ord(b) is tried before ord(a)"
-  (pl-atom-name (pl-walk-deep (dict-get pl-ar-env3 "X")))
-  "b")
-
-(pl-ar-test!
-  "asserta: total solutions for ord/1 is 2"
-  (pl-solve-count! pl-ar-db3 (pl-ar-goal "ord(X)" {}) (pl-mk-trail))
-  2)
-
-;; ── DB4: rule with conjunction in body ─────────────────────────────
-(define pl-ar-db4 (pl-mk-db))
-
-(pl-solve-once!
-  pl-ar-db4
-  (pl-ar-goal "assert(num(1))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-ar-db4
-  (pl-ar-goal "assert(num(2))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-ar-db4
-  (pl-ar-goal "assertz((big(X) :- num(X), X > 1))" {})
-  (pl-mk-trail))
-
-(pl-ar-test!
-  "conjunction in rule body: big(1) fails"
-  (pl-solve-once! pl-ar-db4 (pl-ar-goal "big(1)" {}) (pl-mk-trail))
-  false)
-
-(pl-ar-test!
-  "conjunction in rule body: big(2) succeeds"
-  (pl-solve-once! pl-ar-db4 (pl-ar-goal "big(2)" {}) (pl-mk-trail))
-  true)
-
-;; ── DB5: recursive rule ─────────────────────────────────────────────
-(define pl-ar-db5 (pl-mk-db))
-
-(pl-solve-once!
-  pl-ar-db5
-  (pl-ar-goal "assert((nat(0) :- true))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-ar-db5
-  (pl-ar-goal "assertz((nat(s(X)) :- nat(X)))" {})
-  (pl-mk-trail))
-
-(pl-ar-test!
-  "recursive rule: nat(0) succeeds"
-  (pl-solve-once! pl-ar-db5 (pl-ar-goal "nat(0)" {}) (pl-mk-trail))
-  true)
-
-(pl-ar-test!
-  "recursive rule: nat(s(0)) succeeds"
-  (pl-solve-once!
-    pl-ar-db5
-    (pl-ar-goal "nat(s(0))" {})
-    (pl-mk-trail))
-  true)
-
-(pl-ar-test!
-  "recursive rule: nat(s(s(0))) succeeds"
-  (pl-solve-once!
-    pl-ar-db5
-    (pl-ar-goal "nat(s(s(0)))" {})
-    (pl-mk-trail))
-  true)
-
-(pl-ar-test!
-  "recursive rule: nat(bad) fails"
-  (pl-solve-once! pl-ar-db5 (pl-ar-goal "nat(bad)" {}) (pl-mk-trail))
-  false)
-
-;; ── DB6: rule with true body (explicit) ────────────────────────────
-(define pl-ar-db6 (pl-mk-db))
-
-(pl-solve-once!
-  pl-ar-db6
-  (pl-ar-goal "assertz((always(X) :- true))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-ar-db6
-  (pl-ar-goal "assert(always(extra))" {})
-  (pl-mk-trail))
-
-(pl-ar-test!
-  "rule body=true: always(foo) succeeds"
-  (pl-solve-once!
-    pl-ar-db6
-    (pl-ar-goal "always(foo)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-ar-test!
-  "rule body=true: always/1 has 2 clauses (1 rule + 1 fact)"
-  (pl-solve-count!
-    pl-ar-db6
-    (pl-ar-goal "always(X)" {})
-    (pl-mk-trail))
-  2)
-
-;; ── Runner ──────────────────────────────────────────────────────────
-(define pl-assert-rules-tests-run! (fn () {:failed pl-ar-test-fail :passed pl-ar-test-pass :total pl-ar-test-count :failures pl-ar-test-failures}))

lib/prolog/tests/atoms.sx

@@ -1,305 +0,0 @@
-;; lib/prolog/tests/atoms.sx — type predicates + string/atom built-ins
-
-(define pl-at-test-count 0)
-(define pl-at-test-pass 0)
-(define pl-at-test-fail 0)
-(define pl-at-test-failures (list))
-
-(define
-  pl-at-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-at-test-count (+ pl-at-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-at-test-pass (+ pl-at-test-pass 1))
-        (begin
-          (set! pl-at-test-fail (+ pl-at-test-fail 1))
-          (append!
-            pl-at-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-at-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-(define pl-at-db (pl-mk-db))
-
-;; ── var/1 + nonvar/1 ──
-
-(pl-at-test!
-  "var(X) for unbound var"
-  (pl-solve-once! pl-at-db (pl-at-goal "var(X)" {}) (pl-mk-trail))
-  true)
-(pl-at-test!
-  "var(foo) fails"
-  (pl-solve-once! pl-at-db (pl-at-goal "var(foo)" {}) (pl-mk-trail))
-  false)
-(pl-at-test!
-  "nonvar(foo) succeeds"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "nonvar(foo)" {})
-    (pl-mk-trail))
-  true)
-(pl-at-test!
-  "nonvar(X) for unbound var fails"
-  (pl-solve-once! pl-at-db (pl-at-goal "nonvar(X)" {}) (pl-mk-trail))
-  false)
-
-;; ── atom/1 ──
-
-(pl-at-test!
-  "atom(foo) succeeds"
-  (pl-solve-once! pl-at-db (pl-at-goal "atom(foo)" {}) (pl-mk-trail))
-  true)
-(pl-at-test!
-  "atom([]) succeeds"
-  (pl-solve-once! pl-at-db (pl-at-goal "atom([])" {}) (pl-mk-trail))
-  true)
-(pl-at-test!
-  "atom(42) fails"
-  (pl-solve-once! pl-at-db (pl-at-goal "atom(42)" {}) (pl-mk-trail))
-  false)
-(pl-at-test!
-  "atom(f(x)) fails"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "atom(f(x))" {})
-    (pl-mk-trail))
-  false)
-
-;; ── number/1 + integer/1 ──
-
-(pl-at-test!
-  "number(42) succeeds"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "number(42)" {})
-    (pl-mk-trail))
-  true)
-(pl-at-test!
-  "number(foo) fails"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "number(foo)" {})
-    (pl-mk-trail))
-  false)
-(pl-at-test!
-  "integer(7) succeeds"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "integer(7)" {})
-    (pl-mk-trail))
-  true)
-
-;; ── compound/1 + callable/1 + atomic/1 ──
-
-(pl-at-test!
-  "compound(f(x)) succeeds"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "compound(f(x))" {})
-    (pl-mk-trail))
-  true)
-(pl-at-test!
-  "compound(foo) fails"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "compound(foo)" {})
-    (pl-mk-trail))
-  false)
-(pl-at-test!
-  "callable(foo) succeeds"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "callable(foo)" {})
-    (pl-mk-trail))
-  true)
-(pl-at-test!
-  "callable(f(x)) succeeds"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "callable(f(x))" {})
-    (pl-mk-trail))
-  true)
-(pl-at-test!
-  "callable(42) fails"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "callable(42)" {})
-    (pl-mk-trail))
-  false)
-(pl-at-test!
-  "atomic(foo) succeeds"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "atomic(foo)" {})
-    (pl-mk-trail))
-  true)
-(pl-at-test!
-  "atomic(42) succeeds"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "atomic(42)" {})
-    (pl-mk-trail))
-  true)
-(pl-at-test!
-  "atomic(f(x)) fails"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "atomic(f(x))" {})
-    (pl-mk-trail))
-  false)
-
-;; ── is_list/1 ──
-
-(pl-at-test!
-  "is_list([]) succeeds"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "is_list([])" {})
-    (pl-mk-trail))
-  true)
-(pl-at-test!
-  "is_list([1,2,3]) succeeds"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "is_list([1,2,3])" {})
-    (pl-mk-trail))
-  true)
-(pl-at-test!
-  "is_list(foo) fails"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "is_list(foo)" {})
-    (pl-mk-trail))
-  false)
-
-;; ── atom_length/2 ──
-
-(define pl-at-env-al {})
-(pl-solve-once!
-  pl-at-db
-  (pl-at-goal "atom_length(hello, N)" pl-at-env-al)
-  (pl-mk-trail))
-(pl-at-test!
-  "atom_length(hello, N) -> N=5"
-  (pl-num-val (pl-walk-deep (dict-get pl-at-env-al "N")))
-  5)
-(pl-at-test!
-  "atom_length empty atom"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "atom_length('', 0)" {})
-    (pl-mk-trail))
-  true)
-
-;; ── atom_concat/3 ──
-
-(define pl-at-env-ac {})
-(pl-solve-once!
-  pl-at-db
-  (pl-at-goal "atom_concat(foo, bar, X)" pl-at-env-ac)
-  (pl-mk-trail))
-(pl-at-test!
-  "atom_concat(foo, bar, X) -> X=foobar"
-  (pl-atom-name (pl-walk-deep (dict-get pl-at-env-ac "X")))
-  "foobar")
-
-(pl-at-test!
-  "atom_concat(foo, bar, foobar) check"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "atom_concat(foo, bar, foobar)" {})
-    (pl-mk-trail))
-  true)
-(pl-at-test!
-  "atom_concat(foo, bar, foobaz) fails"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "atom_concat(foo, bar, foobaz)" {})
-    (pl-mk-trail))
-  false)
-
-(define pl-at-env-ac2 {})
-(pl-solve-once!
-  pl-at-db
-  (pl-at-goal "atom_concat(foo, Y, foobar)" pl-at-env-ac2)
-  (pl-mk-trail))
-(pl-at-test!
-  "atom_concat(foo, Y, foobar) -> Y=bar"
-  (pl-atom-name (pl-walk-deep (dict-get pl-at-env-ac2 "Y")))
-  "bar")
-
-;; ── atom_chars/2 ──
-
-(define pl-at-env-ach {})
-(pl-solve-once!
-  pl-at-db
-  (pl-at-goal "atom_chars(cat, Cs)" pl-at-env-ach)
-  (pl-mk-trail))
-(pl-at-test!
-  "atom_chars(cat, Cs) -> Cs=[c,a,t]"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "atom_chars(cat, [c,a,t])" {})
-    (pl-mk-trail))
-  true)
-
-(define pl-at-env-ach2 {})
-(pl-solve-once!
-  pl-at-db
-  (pl-at-goal "atom_chars(A, [h,i])" pl-at-env-ach2)
-  (pl-mk-trail))
-(pl-at-test!
-  "atom_chars(A, [h,i]) -> A=hi"
-  (pl-atom-name (pl-walk-deep (dict-get pl-at-env-ach2 "A")))
-  "hi")
-
-;; ── char_code/2 ──
-
-(define pl-at-env-cc {})
-(pl-solve-once!
-  pl-at-db
-  (pl-at-goal "char_code(a, N)" pl-at-env-cc)
-  (pl-mk-trail))
-(pl-at-test!
-  "char_code(a, N) -> N=97"
-  (pl-num-val (pl-walk-deep (dict-get pl-at-env-cc "N")))
-  97)
-
-(define pl-at-env-cc2 {})
-(pl-solve-once!
-  pl-at-db
-  (pl-at-goal "char_code(C, 65)" pl-at-env-cc2)
-  (pl-mk-trail))
-(pl-at-test!
-  "char_code(C, 65) -> C='A'"
-  (pl-atom-name (pl-walk-deep (dict-get pl-at-env-cc2 "C")))
-  "A")
-
-;; ── number_codes/2 ──
-
-(pl-at-test!
-  "number_codes(42, [52,50])"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "number_codes(42, [52,50])" {})
-    (pl-mk-trail))
-  true)
-
-;; ── number_chars/2 ──
-
-(pl-at-test!
-  "number_chars(42, ['4','2'])"
-  (pl-solve-once!
-    pl-at-db
-    (pl-at-goal "number_chars(42, ['4','2'])" {})
-    (pl-mk-trail))
-  true)
-
-(define pl-atom-tests-run! (fn () {:failed pl-at-test-fail :passed pl-at-test-pass :total pl-at-test-count :failures pl-at-test-failures}))

lib/prolog/tests/char_predicates.sx

@@ -1,290 +0,0 @@
-;; lib/prolog/tests/char_predicates.sx — char_type/2, upcase_atom/2, downcase_atom/2,
-;;   string_upper/2, string_lower/2
-
-(define pl-cp-test-count 0)
-(define pl-cp-test-pass 0)
-(define pl-cp-test-fail 0)
-(define pl-cp-test-failures (list))
-
-(define
-  pl-cp-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-cp-test-count (+ pl-cp-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-cp-test-pass (+ pl-cp-test-pass 1))
-        (begin
-          (set! pl-cp-test-fail (+ pl-cp-test-fail 1))
-          (append!
-            pl-cp-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-cp-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-(define pl-cp-db (pl-mk-db))
-
-;; ─── char_type/2 — alpha ──────────────────────────────────────────
-
-(pl-cp-test!
-  "char_type(a, alpha) succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type(a, alpha)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-cp-test!
-  "char_type('1', alpha) fails"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type('1', alpha)" {})
-    (pl-mk-trail))
-  false)
-
-(pl-cp-test!
-  "char_type('A', alpha) succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type('A', alpha)" {})
-    (pl-mk-trail))
-  true)
-
-;; ─── char_type/2 — alnum ─────────────────────────────────────────
-
-(pl-cp-test!
-  "char_type('5', alnum) succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type('5', alnum)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-cp-test!
-  "char_type(a, alnum) succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type(a, alnum)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-cp-test!
-  "char_type(' ', alnum) fails"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type(' ', alnum)" {})
-    (pl-mk-trail))
-  false)
-
-;; ─── char_type/2 — digit ─────────────────────────────────────────
-
-(pl-cp-test!
-  "char_type('5', digit) succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type('5', digit)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-cp-test!
-  "char_type(a, digit) fails"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type(a, digit)" {})
-    (pl-mk-trail))
-  false)
-
-;; ─── char_type/2 — digit(Weight) ─────────────────────────────────
-
-(define pl-cp-env-dw {})
-(pl-solve-once!
-  pl-cp-db
-  (pl-cp-goal "char_type('5', digit(N))" pl-cp-env-dw)
-  (pl-mk-trail))
-(pl-cp-test!
-  "char_type('5', digit(N)) -> N=5"
-  (pl-num-val (pl-walk-deep (dict-get pl-cp-env-dw "N")))
-  5)
-
-(define pl-cp-env-dw0 {})
-(pl-solve-once!
-  pl-cp-db
-  (pl-cp-goal "char_type('0', digit(N))" pl-cp-env-dw0)
-  (pl-mk-trail))
-(pl-cp-test!
-  "char_type('0', digit(N)) -> N=0"
-  (pl-num-val (pl-walk-deep (dict-get pl-cp-env-dw0 "N")))
-  0)
-
-;; ─── char_type/2 — space/white ───────────────────────────────────
-
-(pl-cp-test!
-  "char_type(' ', space) succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type(' ', space)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-cp-test!
-  "char_type(a, space) fails"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type(a, space)" {})
-    (pl-mk-trail))
-  false)
-
-;; ─── char_type/2 — upper(Lower) ──────────────────────────────────
-
-(define pl-cp-env-ul {})
-(pl-solve-once!
-  pl-cp-db
-  (pl-cp-goal "char_type('A', upper(L))" pl-cp-env-ul)
-  (pl-mk-trail))
-(pl-cp-test!
-  "char_type('A', upper(L)) -> L=a"
-  (pl-atom-name (pl-walk-deep (dict-get pl-cp-env-ul "L")))
-  "a")
-
-(pl-cp-test!
-  "char_type(a, upper(L)) fails — not uppercase"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type(a, upper(_))" {})
-    (pl-mk-trail))
-  false)
-
-;; ─── char_type/2 — lower(Upper) ──────────────────────────────────
-
-(define pl-cp-env-lu {})
-(pl-solve-once!
-  pl-cp-db
-  (pl-cp-goal "char_type(a, lower(U))" pl-cp-env-lu)
-  (pl-mk-trail))
-(pl-cp-test!
-  "char_type(a, lower(U)) -> U='A'"
-  (pl-atom-name (pl-walk-deep (dict-get pl-cp-env-lu "U")))
-  "A")
-
-;; ─── char_type/2 — ascii(Code) ───────────────────────────────────
-
-(define pl-cp-env-as {})
-(pl-solve-once!
-  pl-cp-db
-  (pl-cp-goal "char_type(a, ascii(C))" pl-cp-env-as)
-  (pl-mk-trail))
-(pl-cp-test!
-  "char_type(a, ascii(C)) -> C=97"
-  (pl-num-val (pl-walk-deep (dict-get pl-cp-env-as "C")))
-  97)
-
-;; ─── char_type/2 — punct ─────────────────────────────────────────
-
-(pl-cp-test!
-  "char_type('.', punct) succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type('.', punct)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-cp-test!
-  "char_type(a, punct) fails"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "char_type(a, punct)" {})
-    (pl-mk-trail))
-  false)
-
-;; ─── upcase_atom/2 ───────────────────────────────────────────────
-
-(define pl-cp-env-ua {})
-(pl-solve-once!
-  pl-cp-db
-  (pl-cp-goal "upcase_atom(hello, X)" pl-cp-env-ua)
-  (pl-mk-trail))
-(pl-cp-test!
-  "upcase_atom(hello, X) -> X='HELLO'"
-  (pl-atom-name (pl-walk-deep (dict-get pl-cp-env-ua "X")))
-  "HELLO")
-
-(pl-cp-test!
-  "upcase_atom(hello, 'HELLO') succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "upcase_atom(hello, 'HELLO')" {})
-    (pl-mk-trail))
-  true)
-
-(pl-cp-test!
-  "upcase_atom('Hello World', 'HELLO WORLD') succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "upcase_atom('Hello World', 'HELLO WORLD')" {})
-    (pl-mk-trail))
-  true)
-
-(pl-cp-test!
-  "upcase_atom('', '') succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "upcase_atom('', '')" {})
-    (pl-mk-trail))
-  true)
-
-;; ─── downcase_atom/2 ─────────────────────────────────────────────
-
-(define pl-cp-env-da {})
-(pl-solve-once!
-  pl-cp-db
-  (pl-cp-goal "downcase_atom('HELLO', X)" pl-cp-env-da)
-  (pl-mk-trail))
-(pl-cp-test!
-  "downcase_atom('HELLO', X) -> X=hello"
-  (pl-atom-name (pl-walk-deep (dict-get pl-cp-env-da "X")))
-  "hello")
-
-(pl-cp-test!
-  "downcase_atom('HELLO', hello) succeeds"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "downcase_atom('HELLO', hello)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-cp-test!
-  "downcase_atom(hello, hello) succeeds — already lowercase"
-  (pl-solve-once!
-    pl-cp-db
-    (pl-cp-goal "downcase_atom(hello, hello)" {})
-    (pl-mk-trail))
-  true)
-
-;; ─── string_upper/2 + string_lower/2 (aliases) ───────────────────
-
-(define pl-cp-env-su {})
-(pl-solve-once!
-  pl-cp-db
-  (pl-cp-goal "string_upper(hello, X)" pl-cp-env-su)
-  (pl-mk-trail))
-(pl-cp-test!
-  "string_upper(hello, X) -> X='HELLO'"
-  (pl-atom-name (pl-walk-deep (dict-get pl-cp-env-su "X")))
-  "HELLO")
-
-(define pl-cp-env-sl {})
-(pl-solve-once!
-  pl-cp-db
-  (pl-cp-goal "string_lower('WORLD', X)" pl-cp-env-sl)
-  (pl-mk-trail))
-(pl-cp-test!
-  "string_lower('WORLD', X) -> X=world"
-  (pl-atom-name (pl-walk-deep (dict-get pl-cp-env-sl "X")))
-  "world")
-
-(define pl-char-predicates-tests-run! (fn () {:failed pl-cp-test-fail :passed pl-cp-test-pass :total pl-cp-test-count :failures pl-cp-test-failures}))

lib/prolog/tests/clausedb.sx

@@ -1,99 +0,0 @@
-;; lib/prolog/tests/clausedb.sx — Clause DB unit tests
-
-(define pl-db-test-count 0)
-(define pl-db-test-pass 0)
-(define pl-db-test-fail 0)
-(define pl-db-test-failures (list))
-
-(define
-  pl-db-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-db-test-count (+ pl-db-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-db-test-pass (+ pl-db-test-pass 1))
-        (begin
-          (set! pl-db-test-fail (+ pl-db-test-fail 1))
-          (append!
-            pl-db-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(pl-db-test!
-  "head-key atom arity 0"
-  (pl-head-key (nth (first (pl-parse "foo.")) 1))
-  "foo/0")
-
-(pl-db-test!
-  "head-key compound arity 2"
-  (pl-head-key (nth (first (pl-parse "bar(a, b).")) 1))
-  "bar/2")
-
-(pl-db-test!
-  "clause-key of :- clause"
-  (pl-clause-key (first (pl-parse "likes(mary, X) :- friendly(X).")))
-  "likes/2")
-
-(pl-db-test!
-  "empty db lookup returns empty list"
-  (len (pl-db-lookup (pl-mk-db) "parent/2"))
-  0)
-
-(define pl-db-t1 (pl-mk-db))
-(pl-db-load! pl-db-t1 (pl-parse "foo(a). foo(b). foo(c)."))
-
-(pl-db-test!
-  "three facts same functor"
-  (len (pl-db-lookup pl-db-t1 "foo/1"))
-  3)
-(pl-db-test!
-  "mismatching key returns empty"
-  (len (pl-db-lookup pl-db-t1 "foo/2"))
-  0)
-
-(pl-db-test!
-  "first clause has arg a"
-  (pl-atom-name
-    (first (pl-args (nth (first (pl-db-lookup pl-db-t1 "foo/1")) 1))))
-  "a")
-
-(pl-db-test!
-  "third clause has arg c"
-  (pl-atom-name
-    (first (pl-args (nth (nth (pl-db-lookup pl-db-t1 "foo/1") 2) 1))))
-  "c")
-
-(define pl-db-t2 (pl-mk-db))
-(pl-db-load! pl-db-t2 (pl-parse "foo. bar. foo. parent(a, b). parent(c, d)."))
-
-(pl-db-test!
-  "atom heads keyed as foo/0"
-  (len (pl-db-lookup pl-db-t2 "foo/0"))
-  2)
-(pl-db-test!
-  "atom heads keyed as bar/0"
-  (len (pl-db-lookup pl-db-t2 "bar/0"))
-  1)
-(pl-db-test!
-  "compound heads keyed as parent/2"
-  (len (pl-db-lookup pl-db-t2 "parent/2"))
-  2)
-
-(pl-db-test!
-  "lookup-goal extracts functor/arity"
-  (len
-    (pl-db-lookup-goal pl-db-t2 (nth (first (pl-parse "parent(X, Y).")) 1)))
-  2)
-
-(pl-db-test!
-  "lookup-goal on atom goal"
-  (len (pl-db-lookup-goal pl-db-t2 (nth (first (pl-parse "foo.")) 1)))
-  2)
-
-(pl-db-test!
-  "stored clause is clause form"
-  (first (first (pl-db-lookup pl-db-t2 "parent/2")))
-  "clause")
-
-(define pl-clausedb-tests-run! (fn () {:failed pl-db-test-fail :passed pl-db-test-pass :total pl-db-test-count :failures pl-db-test-failures}))

lib/prolog/tests/compiler.sx

@@ -1,185 +0,0 @@
-;; lib/prolog/tests/compiler.sx — compiled clause dispatch tests
-
-(define pl-cmp-test-count 0)
-(define pl-cmp-test-pass 0)
-(define pl-cmp-test-fail 0)
-(define pl-cmp-test-failures (list))
-
-(define
-  pl-cmp-test!
-  (fn
-    (name got expected)
-    (set! pl-cmp-test-count (+ pl-cmp-test-count 1))
-    (if
-      (= got expected)
-      (set! pl-cmp-test-pass (+ pl-cmp-test-pass 1))
-      (begin
-        (set! pl-cmp-test-fail (+ pl-cmp-test-fail 1))
-        (append! pl-cmp-test-failures name)))))
-
-;; Load src, compile, return DB.
-(define
-  pl-cmp-mk
-  (fn
-    (src)
-    (let
-      ((db (pl-mk-db)))
-      (pl-db-load! db (pl-parse src))
-      (pl-compile-db! db)
-      db)))
-
-;; Run goal string against compiled DB; return bool (instantiates vars).
-(define
-  pl-cmp-once
-  (fn
-    (db src)
-    (pl-solve-once!
-      db
-      (pl-instantiate (pl-parse-goal src) {})
-      (pl-mk-trail))))
-
-;; Count solutions for goal string against compiled DB.
-(define
-  pl-cmp-count
-  (fn
-    (db src)
-    (pl-solve-count!
-      db
-      (pl-instantiate (pl-parse-goal src) {})
-      (pl-mk-trail))))
-
-;; ── 1. Simple facts ──────────────────────────────────────────────
-
-(define pl-cmp-db1 (pl-cmp-mk "color(red). color(green). color(blue)."))
-
-(pl-cmp-test! "compiled fact hit" (pl-cmp-once pl-cmp-db1 "color(red)") true)
-(pl-cmp-test!
-  "compiled fact miss"
-  (pl-cmp-once pl-cmp-db1 "color(yellow)")
-  false)
-(pl-cmp-test! "compiled fact count" (pl-cmp-count pl-cmp-db1 "color(X)") 3)
-
-;; ── 2. Recursive rule: append ────────────────────────────────────
-
-(define
-  pl-cmp-db2
-  (pl-cmp-mk "append([], L, L). append([H|T], L, [H|R]) :- append(T, L, R)."))
-
-(pl-cmp-test!
-  "compiled append build"
-  (pl-cmp-once pl-cmp-db2 "append([1,2],[3],[1,2,3])")
-  true)
-(pl-cmp-test!
-  "compiled append fail"
-  (pl-cmp-once pl-cmp-db2 "append([1,2],[3],[1,2])")
-  false)
-(pl-cmp-test!
-  "compiled append split count"
-  (pl-cmp-count pl-cmp-db2 "append(X, Y, [a,b])")
-  3)
-
-;; ── 3. Cut ───────────────────────────────────────────────────────
-
-(define
-  pl-cmp-db3
-  (pl-cmp-mk "first(X, [X|_]) :- !. first(X, [_|T]) :- first(X, T)."))
-
-(pl-cmp-test!
-  "compiled cut: only one solution"
-  (pl-cmp-count pl-cmp-db3 "first(X, [a,b,c])")
-  1)
-
-(let
-  ((db pl-cmp-db3) (trail (pl-mk-trail)) (env {}))
-  (let
-    ((x (pl-mk-rt-var "X")))
-    (dict-set! env "X" x)
-    (pl-solve-once!
-      db
-      (pl-instantiate (pl-parse-goal "first(X, [a,b,c])") env)
-      trail)
-    (pl-cmp-test!
-      "compiled cut: correct binding"
-      (pl-atom-name (pl-walk x))
-      "a")))
-
-;; ── 4. member ────────────────────────────────────────────────────
-
-(define
-  pl-cmp-db4
-  (pl-cmp-mk "member(X, [X|_]). member(X, [_|T]) :- member(X, T)."))
-
-(pl-cmp-test!
-  "compiled member hit"
-  (pl-cmp-once pl-cmp-db4 "member(b, [a,b,c])")
-  true)
-(pl-cmp-test!
-  "compiled member miss"
-  (pl-cmp-once pl-cmp-db4 "member(d, [a,b,c])")
-  false)
-(pl-cmp-test!
-  "compiled member count"
-  (pl-cmp-count pl-cmp-db4 "member(X, [a,b,c])")
-  3)
-
-;; ── 5. Arithmetic in body ────────────────────────────────────────
-
-(define pl-cmp-db5 (pl-cmp-mk "double(X, Y) :- Y is X * 2."))
-
-(let
-  ((db pl-cmp-db5) (trail (pl-mk-trail)) (env {}))
-  (let
-    ((y (pl-mk-rt-var "Y")))
-    (dict-set! env "Y" y)
-    (pl-solve-once!
-      db
-      (pl-instantiate (pl-parse-goal "double(5, Y)") env)
-      trail)
-    (pl-cmp-test! "compiled arithmetic in body" (pl-num-val (pl-walk y)) 10)))
-
-;; ── 6. Transitive ancestor ───────────────────────────────────────
-
-(define
-  pl-cmp-db6
-  (pl-cmp-mk
-    (str
-      "parent(a,b). parent(b,c). parent(c,d)."
-      "ancestor(X,Y) :- parent(X,Y)."
-      "ancestor(X,Y) :- parent(X,Z), ancestor(Z,Y).")))
-
-(pl-cmp-test!
-  "compiled ancestor direct"
-  (pl-cmp-once pl-cmp-db6 "ancestor(a,b)")
-  true)
-(pl-cmp-test!
-  "compiled ancestor 3-step"
-  (pl-cmp-once pl-cmp-db6 "ancestor(a,d)")
-  true)
-(pl-cmp-test!
-  "compiled ancestor fail"
-  (pl-cmp-once pl-cmp-db6 "ancestor(d,a)")
-  false)
-
-;; ── 7. Fallback: uncompiled predicate calls compiled sub-predicate
-
-(define
-  pl-cmp-db7
-  (let
-    ((db (pl-mk-db)))
-    (pl-db-load! db (pl-parse "q(1). q(2)."))
-    (pl-compile-db! db)
-    (pl-db-load! db (pl-parse "r(X) :- q(X)."))
-    db))
-
-(pl-cmp-test!
-  "uncompiled predicate resolves"
-  (pl-cmp-once pl-cmp-db7 "r(1)")
-  true)
-(pl-cmp-test!
-  "uncompiled calls compiled sub-pred count"
-  (pl-cmp-count pl-cmp-db7 "r(X)")
-  2)
-
-;; ── Runner ───────────────────────────────────────────────────────
-
-(define pl-compiler-tests-run! (fn () {:failed pl-cmp-test-fail :passed pl-cmp-test-pass :total pl-cmp-test-count :failures pl-cmp-test-failures}))

lib/prolog/tests/cross_validate.sx

@@ -1,86 +0,0 @@
-;; lib/prolog/tests/cross_validate.sx
-;; Verifies that the compiled solver produces the same solution counts as the
-;; interpreter for each classic program + built-in exercise.
-;; Interpreter is the reference: if they disagree, the compiler is wrong.
-
-(define pl-xv-test-count 0)
-(define pl-xv-test-pass 0)
-(define pl-xv-test-fail 0)
-(define pl-xv-test-failures (list))
-
-(define
-  pl-xv-test!
-  (fn
-    (name got expected)
-    (set! pl-xv-test-count (+ pl-xv-test-count 1))
-    (if
-      (= got expected)
-      (set! pl-xv-test-pass (+ pl-xv-test-pass 1))
-      (begin
-        (set! pl-xv-test-fail (+ pl-xv-test-fail 1))
-        (append! pl-xv-test-failures name)))))
-
-;; Shorthand: assert compiled result matches interpreter.
-(define
-  pl-xv-match!
-  (fn
-    (name src goal)
-    (pl-xv-test! name (pl-compiled-matches-interp? src goal) true)))
-
-;; ── 1. append/3 ─────────────────────────────────────────────────
-
-(define
-  pl-xv-append
-  "append([], L, L). append([H|T], L, [H|R]) :- append(T, L, R).")
-
-(pl-xv-match! "append build 2+2" pl-xv-append "append([1,2],[3,4],X)")
-(pl-xv-match! "append split [a,b,c]" pl-xv-append "append(X, Y, [a,b,c])")
-(pl-xv-match! "append member-mode" pl-xv-append "append(_, [3], [1,2,3])")
-
-;; ── 2. member/2 ─────────────────────────────────────────────────
-
-(define pl-xv-member "member(X, [X|_]). member(X, [_|T]) :- member(X, T).")
-
-(pl-xv-match! "member check hit" pl-xv-member "member(b, [a,b,c])")
-(pl-xv-match! "member count" pl-xv-member "member(X, [a,b,c])")
-(pl-xv-match! "member empty" pl-xv-member "member(X, [])")
-
-;; ── 3. facts + transitive rules ─────────────────────────────────
-
-(define
-  pl-xv-ancestor
-  (str
-    "parent(a,b). parent(b,c). parent(c,d). parent(a,c)."
-    "ancestor(X,Y) :- parent(X,Y)."
-    "ancestor(X,Y) :- parent(X,Z), ancestor(Z,Y)."))
-
-(pl-xv-match! "ancestor direct" pl-xv-ancestor "ancestor(a,b)")
-(pl-xv-match! "ancestor transitive" pl-xv-ancestor "ancestor(a,d)")
-(pl-xv-match! "ancestor all from a" pl-xv-ancestor "ancestor(a,Y)")
-
-;; ── 4. cut semantics ────────────────────────────────────────────
-
-(define pl-xv-cut "first(X,[X|_]) :- !. first(X,[_|T]) :- first(X,T).")
-
-(pl-xv-match! "cut one solution" pl-xv-cut "first(X,[a,b,c])")
-(pl-xv-match! "cut empty list" pl-xv-cut "first(X,[])")
-
-;; ── 5. arithmetic ───────────────────────────────────────────────
-
-(define pl-xv-arith "sq(X,Y) :- Y is X * X. even(X) :- 0 is X mod 2.")
-
-(pl-xv-match! "sq(3,Y) count" pl-xv-arith "sq(3,Y)")
-(pl-xv-match! "sq(3,9) check" pl-xv-arith "sq(3,9)")
-(pl-xv-match! "even(4) check" pl-xv-arith "even(4)")
-(pl-xv-match! "even(3) check" pl-xv-arith "even(3)")
-
-;; ── 6. if-then-else ─────────────────────────────────────────────
-
-(define pl-xv-ite "classify(X, pos) :- X > 0, !. classify(_, nonpos).")
-
-(pl-xv-match! "classify positive" pl-xv-ite "classify(5, C)")
-(pl-xv-match! "classify zero" pl-xv-ite "classify(0, C)")
-
-;; ── Runner ───────────────────────────────────────────────────────
-
-(define pl-cross-validate-tests-run! (fn () {:failed pl-xv-test-fail :passed pl-xv-test-pass :total pl-xv-test-count :failures pl-xv-test-failures}))

lib/prolog/tests/dynamic.sx

@@ -1,158 +0,0 @@
-;; lib/prolog/tests/dynamic.sx — assert/asserta/assertz/retract.
-
-(define pl-dy-test-count 0)
-(define pl-dy-test-pass 0)
-(define pl-dy-test-fail 0)
-(define pl-dy-test-failures (list))
-
-(define
-  pl-dy-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-dy-test-count (+ pl-dy-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-dy-test-pass (+ pl-dy-test-pass 1))
-        (begin
-          (set! pl-dy-test-fail (+ pl-dy-test-fail 1))
-          (append!
-            pl-dy-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-dy-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-;; assertz then query
-(define pl-dy-db1 (pl-mk-db))
-(pl-solve-once!
-  pl-dy-db1
-  (pl-dy-goal "assertz(foo(1))" {})
-  (pl-mk-trail))
-(pl-dy-test!
-  "assertz(foo(1)) + foo(1)"
-  (pl-solve-once! pl-dy-db1 (pl-dy-goal "foo(1)" {}) (pl-mk-trail))
-  true)
-
-(pl-dy-test!
-  "after one assertz, foo/1 has 1 clause"
-  (pl-solve-count! pl-dy-db1 (pl-dy-goal "foo(X)" {}) (pl-mk-trail))
-  1)
-
-;; assertz appends — order preserved
-(define pl-dy-db2 (pl-mk-db))
-(pl-solve-once!
-  pl-dy-db2
-  (pl-dy-goal "assertz(p(1))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-dy-db2
-  (pl-dy-goal "assertz(p(2))" {})
-  (pl-mk-trail))
-(pl-dy-test!
-  "assertz twice — count 2"
-  (pl-solve-count! pl-dy-db2 (pl-dy-goal "p(X)" {}) (pl-mk-trail))
-  2)
-
-(define pl-dy-env-a {})
-(pl-solve-once! pl-dy-db2 (pl-dy-goal "p(X)" pl-dy-env-a) (pl-mk-trail))
-(pl-dy-test!
-  "assertz: first solution is the first asserted (1)"
-  (pl-num-val (pl-walk-deep (dict-get pl-dy-env-a "X")))
-  1)
-
-;; asserta prepends
-(define pl-dy-db3 (pl-mk-db))
-(pl-solve-once!
-  pl-dy-db3
-  (pl-dy-goal "assertz(p(1))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-dy-db3
-  (pl-dy-goal "asserta(p(99))" {})
-  (pl-mk-trail))
-(define pl-dy-env-b {})
-(pl-solve-once! pl-dy-db3 (pl-dy-goal "p(X)" pl-dy-env-b) (pl-mk-trail))
-(pl-dy-test!
-  "asserta: prepended clause is first solution"
-  (pl-num-val (pl-walk-deep (dict-get pl-dy-env-b "X")))
-  99)
-
-;; assert/1 = assertz/1
-(define pl-dy-db4 (pl-mk-db))
-(pl-solve-once!
-  pl-dy-db4
-  (pl-dy-goal "assert(g(7))" {})
-  (pl-mk-trail))
-(pl-dy-test!
-  "assert/1 alias"
-  (pl-solve-once! pl-dy-db4 (pl-dy-goal "g(7)" {}) (pl-mk-trail))
-  true)
-
-;; retract removes a fact
-(define pl-dy-db5 (pl-mk-db))
-(pl-solve-once!
-  pl-dy-db5
-  (pl-dy-goal "assertz(q(1))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-dy-db5
-  (pl-dy-goal "assertz(q(2))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-dy-db5
-  (pl-dy-goal "assertz(q(3))" {})
-  (pl-mk-trail))
-(pl-dy-test!
-  "before retract: 3 clauses"
-  (pl-solve-count! pl-dy-db5 (pl-dy-goal "q(X)" {}) (pl-mk-trail))
-  3)
-(pl-solve-once!
-  pl-dy-db5
-  (pl-dy-goal "retract(q(2))" {})
-  (pl-mk-trail))
-(pl-dy-test!
-  "after retract(q(2)): 2 clauses left"
-  (pl-solve-count! pl-dy-db5 (pl-dy-goal "q(X)" {}) (pl-mk-trail))
-  2)
-
-(define pl-dy-env-c {})
-(pl-solve-once! pl-dy-db5 (pl-dy-goal "q(X)" pl-dy-env-c) (pl-mk-trail))
-(pl-dy-test!
-  "after retract(q(2)): first remaining is 1"
-  (pl-num-val (pl-walk-deep (dict-get pl-dy-env-c "X")))
-  1)
-
-;; retract of non-existent
-(pl-dy-test!
-  "retract(missing(0)) on empty db fails"
-  (pl-solve-once!
-    (pl-mk-db)
-    (pl-dy-goal "retract(missing(0))" {})
-    (pl-mk-trail))
-  false)
-
-;; retract with unbound var matches first
-(define pl-dy-db6 (pl-mk-db))
-(pl-solve-once!
-  pl-dy-db6
-  (pl-dy-goal "assertz(r(11))" {})
-  (pl-mk-trail))
-(pl-solve-once!
-  pl-dy-db6
-  (pl-dy-goal "assertz(r(22))" {})
-  (pl-mk-trail))
-(define pl-dy-env-d {})
-(pl-solve-once!
-  pl-dy-db6
-  (pl-dy-goal "retract(r(X))" pl-dy-env-d)
-  (pl-mk-trail))
-(pl-dy-test!
-  "retract(r(X)) binds X to first match"
-  (pl-num-val (pl-walk-deep (dict-get pl-dy-env-d "X")))
-  11)
-
-(define pl-dynamic-tests-run! (fn () {:failed pl-dy-test-fail :passed pl-dy-test-pass :total pl-dy-test-count :failures pl-dy-test-failures}))

lib/prolog/tests/findall.sx

@@ -1,167 +0,0 @@
-;; lib/prolog/tests/findall.sx — findall/3, bagof/3, setof/3.
-
-(define pl-fb-test-count 0)
-(define pl-fb-test-pass 0)
-(define pl-fb-test-fail 0)
-(define pl-fb-test-failures (list))
-
-(define
-  pl-fb-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-fb-test-count (+ pl-fb-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-fb-test-pass (+ pl-fb-test-pass 1))
-        (begin
-          (set! pl-fb-test-fail (+ pl-fb-test-fail 1))
-          (append!
-            pl-fb-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-fb-term-to-sx
-  (fn
-    (t)
-    (cond
-      ((pl-num? t) (pl-num-val t))
-      ((pl-atom? t) (pl-atom-name t))
-      (true (list :complex)))))
-
-(define
-  pl-fb-list-walked
-  (fn
-    (w)
-    (cond
-      ((and (pl-atom? w) (= (pl-atom-name w) "[]")) (list))
-      ((and (pl-compound? w) (= (pl-fun w) ".") (= (len (pl-args w)) 2))
-        (cons
-          (pl-fb-term-to-sx (first (pl-args w)))
-          (pl-fb-list-walked (nth (pl-args w) 1))))
-      (true (list :not-list)))))
-
-(define pl-fb-list-to-sx (fn (t) (pl-fb-list-walked (pl-walk-deep t))))
-
-(define
-  pl-fb-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-(define pl-fb-prog-src "member(X, [X|_]). member(X, [_|T]) :- member(X, T).")
-
-(define pl-fb-db (pl-mk-db))
-(pl-db-load! pl-fb-db (pl-parse pl-fb-prog-src))
-
-;; ── findall ──
-
-(define pl-fb-env-1 {})
-(pl-solve-once!
-  pl-fb-db
-  (pl-fb-goal "findall(X, member(X, [a, b, c]), L)" pl-fb-env-1)
-  (pl-mk-trail))
-(pl-fb-test!
-  "findall member [a, b, c]"
-  (pl-fb-list-to-sx (dict-get pl-fb-env-1 "L"))
-  (list "a" "b" "c"))
-
-(define pl-fb-env-2 {})
-(pl-solve-once!
-  pl-fb-db
-  (pl-fb-goal "findall(X, (member(X, [1, 2, 3]), X >= 2), L)" pl-fb-env-2)
-  (pl-mk-trail))
-(pl-fb-test!
-  "findall with comparison filter"
-  (pl-fb-list-to-sx (dict-get pl-fb-env-2 "L"))
-  (list 2 3))
-
-(define pl-fb-env-3 {})
-(pl-solve-once!
-  pl-fb-db
-  (pl-fb-goal "findall(X, fail, L)" pl-fb-env-3)
-  (pl-mk-trail))
-(pl-fb-test!
-  "findall on fail succeeds with empty list"
-  (pl-fb-list-to-sx (dict-get pl-fb-env-3 "L"))
-  (list))
-
-(pl-fb-test!
-  "findall(X, fail, L) the goal succeeds"
-  (pl-solve-once!
-    pl-fb-db
-    (pl-fb-goal "findall(X, fail, L)" {})
-    (pl-mk-trail))
-  true)
-
-(define pl-fb-env-4 {})
-(pl-solve-once!
-  pl-fb-db
-  (pl-fb-goal
-    "findall(p(X, Y), (member(X, [1, 2]), member(Y, [a, b])), L)"
-    pl-fb-env-4)
-  (pl-mk-trail))
-(pl-fb-test!
-  "findall over compound template — count = 4"
-  (len (pl-fb-list-to-sx (dict-get pl-fb-env-4 "L")))
-  4)
-
-;; ── bagof ──
-
-(pl-fb-test!
-  "bagof succeeds when results exist"
-  (pl-solve-once!
-    pl-fb-db
-    (pl-fb-goal "bagof(X, member(X, [1, 2, 3]), L)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-fb-test!
-  "bagof fails on empty"
-  (pl-solve-once!
-    pl-fb-db
-    (pl-fb-goal "bagof(X, fail, L)" {})
-    (pl-mk-trail))
-  false)
-
-(define pl-fb-env-5 {})
-(pl-solve-once!
-  pl-fb-db
-  (pl-fb-goal "bagof(X, member(X, [c, a, b]), L)" pl-fb-env-5)
-  (pl-mk-trail))
-(pl-fb-test!
-  "bagof preserves order"
-  (pl-fb-list-to-sx (dict-get pl-fb-env-5 "L"))
-  (list "c" "a" "b"))
-
-;; ── setof ──
-
-(define pl-fb-env-6 {})
-(pl-solve-once!
-  pl-fb-db
-  (pl-fb-goal "setof(X, member(X, [c, a, b, a, c]), L)" pl-fb-env-6)
-  (pl-mk-trail))
-(pl-fb-test!
-  "setof sorts + dedupes atoms"
-  (pl-fb-list-to-sx (dict-get pl-fb-env-6 "L"))
-  (list "a" "b" "c"))
-
-(pl-fb-test!
-  "setof fails on empty"
-  (pl-solve-once!
-    pl-fb-db
-    (pl-fb-goal "setof(X, fail, L)" {})
-    (pl-mk-trail))
-  false)
-
-(define pl-fb-env-7 {})
-(pl-solve-once!
-  pl-fb-db
-  (pl-fb-goal "setof(X, member(X, [3, 1, 2, 1, 3]), L)" pl-fb-env-7)
-  (pl-mk-trail))
-(pl-fb-test!
-  "setof sorts + dedupes nums"
-  (pl-fb-list-to-sx (dict-get pl-fb-env-7 "L"))
-  (list 1 2 3))
-
-(define pl-findall-tests-run! (fn () {:failed pl-fb-test-fail :passed pl-fb-test-pass :total pl-fb-test-count :failures pl-fb-test-failures}))

lib/prolog/tests/hs_bridge.sx

@@ -1,165 +0,0 @@
-;; lib/prolog/tests/hs_bridge.sx — tests for Prolog↔Hyperscript bridge
-;;
-;; Verifies pl-hs-query, pl-hs-predicate/N, and pl-hs-install.
-;; Also demonstrates the end-to-end DSL pattern:
-;;   (define allowed (pl-hs-predicate/2 db "allowed"))
-;;   → (allowed "alice" "edit") is what Hyperscript compiles
-;;     `when allowed(alice, edit)` to.
-
-(define pl-hsb-test-count 0)
-(define pl-hsb-test-pass 0)
-(define pl-hsb-test-fail 0)
-(define pl-hsb-test-failures (list))
-
-(define
-  pl-hsb-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-hsb-test-count (+ pl-hsb-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-hsb-test-pass (+ pl-hsb-test-pass 1))
-        (begin
-          (set! pl-hsb-test-fail (+ pl-hsb-test-fail 1))
-          (append!
-            pl-hsb-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-;; ── shared KB ──
-
-(define
-  pl-hsb-perm-src
-  "role(alice, admin). role(bob, editor). role(charlie, viewer). permission(admin, read). permission(admin, write). permission(admin, delete). permission(editor, read). permission(editor, write). permission(viewer, read). allowed(U, A) :- role(U, R), permission(R, A).")
-
-(define pl-hsb-db (pl-load pl-hsb-perm-src))
-
-;; ── pl-hs-query ──
-
-(pl-hsb-test!
-  "pl-hs-query: ground fact succeeds"
-  (pl-hs-query pl-hsb-db "role(alice, admin)")
-  true)
-
-(pl-hsb-test!
-  "pl-hs-query: absent fact fails"
-  (pl-hs-query pl-hsb-db "role(alice, viewer)")
-  false)
-
-(pl-hsb-test!
-  "pl-hs-query: rule derivation succeeds"
-  (pl-hs-query pl-hsb-db "allowed(alice, delete)")
-  true)
-
-(pl-hsb-test!
-  "pl-hs-query: rule derivation fails"
-  (pl-hs-query pl-hsb-db "allowed(charlie, delete)")
-  false)
-
-(pl-hsb-test!
-  "pl-hs-query: arithmetic goal"
-  (pl-hs-query pl-hsb-db "X is 3 + 4, X = 7")
-  true)
-
-;; ── pl-hs-predicate/2 ──
-
-(define pl-hsb-allowed (pl-hs-predicate/2 pl-hsb-db "allowed"))
-
-(pl-hsb-test!
-  "predicate/2: alice can read"
-  (pl-hsb-allowed "alice" "read")
-  true)
-
-(pl-hsb-test!
-  "predicate/2: alice can delete"
-  (pl-hsb-allowed "alice" "delete")
-  true)
-
-(pl-hsb-test!
-  "predicate/2: charlie cannot write"
-  (pl-hsb-allowed "charlie" "write")
-  false)
-
-(pl-hsb-test!
-  "predicate/2: bob can write"
-  (pl-hsb-allowed "bob" "write")
-  true)
-
-(pl-hsb-test!
-  "predicate/2: unknown user fails"
-  (pl-hsb-allowed "eve" "read")
-  false)
-
-;; ── DSL simulation ──
-;; Hyperscript compiles `when allowed(user, action) then …`
-;; to `(allowed user action)` — a direct SX function call.
-;; Here we verify that pattern works end-to-end.
-
-(define pl-hsb-user "alice")
-(define pl-hsb-action "write")
-
-(pl-hsb-test!
-  "DSL simulation: (allowed user action) true path"
-  (pl-hsb-allowed pl-hsb-user pl-hsb-action)
-  true)
-
-(define pl-hsb-user2 "charlie")
-
-(pl-hsb-test!
-  "DSL simulation: (allowed user action) false path"
-  (pl-hsb-allowed pl-hsb-user2 pl-hsb-action)
-  false)
-
-;; ── pl-hs-predicate/1 ──
-
-(define pl-hsb-viewer-src "color(red). color(green). color(blue).")
-(define pl-hsb-color-db (pl-load pl-hsb-viewer-src))
-(define pl-hsb-color? (pl-hs-predicate/1 pl-hsb-color-db "color"))
-
-(pl-hsb-test! "predicate/1: color(red) succeeds" (pl-hsb-color? "red") true)
-
-(pl-hsb-test!
-  "predicate/1: color(purple) fails"
-  (pl-hsb-color? "purple")
-  false)
-
-;; ── pl-hs-predicate/3 ──
-
-(define pl-hsb-3ary-src "between_vals(X, Lo, Hi) :- X >= Lo, X =< Hi.")
-(define pl-hsb-3ary-db (pl-load pl-hsb-3ary-src))
-(define pl-hsb-in-range? (pl-hs-predicate/3 pl-hsb-3ary-db "between_vals"))
-
-(pl-hsb-test!
-  "predicate/3: 5 in range [1,10]"
-  (pl-hsb-in-range? "5" "1" "10")
-  true)
-
-(pl-hsb-test!
-  "predicate/3: 15 not in range [1,10]"
-  (pl-hsb-in-range? "15" "1" "10")
-  false)
-
-;; ── pl-hs-install ──
-
-(define
-  pl-hsb-installed
-  (pl-hs-install
-    pl-hsb-db
-    (list (list "allowed" 2) (list "role" 2) (list "permission" 2))))
-
-(pl-hsb-test!
-  "pl-hs-install: returns dict with allowed key"
-  (not (nil? (dict-get pl-hsb-installed "allowed")))
-  true)
-
-(pl-hsb-test!
-  "pl-hs-install: installed allowed fn works"
-  ((dict-get pl-hsb-installed "allowed") "alice" "delete")
-  true)
-
-(pl-hsb-test!
-  "pl-hs-install: installed role fn works"
-  ((dict-get pl-hsb-installed "role") "bob" "editor")
-  true)
-
-(define pl-hs-bridge-tests-run! (fn () {:failed pl-hsb-test-fail :passed pl-hsb-test-pass :total pl-hsb-test-count :failures pl-hsb-test-failures}))

lib/prolog/tests/integration.sx

@@ -1,172 +0,0 @@
-;; lib/prolog/tests/integration.sx — end-to-end integration tests via pl-query-* API
-;;
-;; Tests the full source→parse→load→solve pipeline with real programs.
-;; Covers: permission system, graph reachability, quicksort, fibonacci, dynamic KB.
-
-(define pl-int-test-count 0)
-(define pl-int-test-pass 0)
-(define pl-int-test-fail 0)
-(define pl-int-test-failures (list))
-
-(define
-  pl-int-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-int-test-count (+ pl-int-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-int-test-pass (+ pl-int-test-pass 1))
-        (begin
-          (set! pl-int-test-fail (+ pl-int-test-fail 1))
-          (append!
-            pl-int-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-;; ── Permission system ──
-;; role/2 + permission/2 facts, allowed/2 rule
-
-(define
-  pl-int-perm-src
-  "role(alice, admin). role(bob, editor). role(charlie, viewer). permission(admin, read). permission(admin, write). permission(admin, delete). permission(editor, read). permission(editor, write). permission(viewer, read). allowed(U, A) :- role(U, R), permission(R, A).")
-
-(define pl-int-perm-db (pl-load pl-int-perm-src))
-
-(pl-int-test!
-  "alice can read"
-  (len (pl-query-all pl-int-perm-db "allowed(alice, read)"))
-  1)
-
-(pl-int-test!
-  "alice can delete"
-  (len (pl-query-all pl-int-perm-db "allowed(alice, delete)"))
-  1)
-
-(pl-int-test!
-  "charlie cannot write"
-  (len (pl-query-all pl-int-perm-db "allowed(charlie, write)"))
-  0)
-
-(pl-int-test!
-  "alice has 3 permissions"
-  (len (pl-query-all pl-int-perm-db "allowed(alice, A)"))
-  3)
-
-(pl-int-test!
-  "only one user can delete"
-  (len (pl-query-all pl-int-perm-db "allowed(U, delete)"))
-  1)
-
-(pl-int-test!
-  "the deleter is alice"
-  (dict-get (first (pl-query-all pl-int-perm-db "allowed(U, delete)")) "U")
-  "alice")
-
-;; ── Graph reachability ──
-;; Directed edges; path/2 transitive closure via two clauses
-
-(define
-  pl-int-graph-src
-  "edge(a, b). edge(b, c). edge(c, d). edge(b, d). path(X, Y) :- edge(X, Y). path(X, Y) :- edge(X, Z), path(Z, Y).")
-
-(define pl-int-graph-db (pl-load pl-int-graph-src))
-
-(pl-int-test!
-  "direct edge a→b is a path"
-  (len (pl-query-all pl-int-graph-db "path(a, b)"))
-  1)
-
-(pl-int-test!
-  "transitive path a→c"
-  (len (pl-query-all pl-int-graph-db "path(a, c)"))
-  1)
-
-(pl-int-test!
-  "no path d→a (no back-edges)"
-  (len (pl-query-all pl-int-graph-db "path(d, a)"))
-  0)
-
-(pl-int-test!
-  "4 derivations from a (b,c,d via two routes to d)"
-  (len (pl-query-all pl-int-graph-db "path(a, Y)"))
-  4)
-
-;; ── Quicksort ──
-;; Partition-and-recurse; uses its own append/3 to avoid DB pollution
-
-(define
-  pl-int-qs-src
-  "partition(_, [], [], []). partition(Piv, [H|T], [H|Less], Greater) :- H =< Piv, !, partition(Piv, T, Less, Greater). partition(Piv, [H|T], Less, [H|Greater]) :- partition(Piv, T, Less, Greater). append([], L, L). append([H|T], L, [H|R]) :- append(T, L, R). quicksort([], []). quicksort([H|T], Sorted) :- partition(H, T, Less, Greater), quicksort(Less, SL), quicksort(Greater, SG), append(SL, [H|SG], Sorted).")
-
-(define pl-int-qs-db (pl-load pl-int-qs-src))
-
-(pl-int-test!
-  "quicksort([]) = [] (ground check)"
-  (len (pl-query-all pl-int-qs-db "quicksort([], [])"))
-  1)
-
-(pl-int-test!
-  "quicksort([3,1,2]) = [1,2,3] (ground check)"
-  (len (pl-query-all pl-int-qs-db "quicksort([3,1,2], [1,2,3])"))
-  1)
-
-(pl-int-test!
-  "quicksort([5,3,1,4,2]) = [1,2,3,4,5] (ground check)"
-  (len (pl-query-all pl-int-qs-db "quicksort([5,3,1,4,2], [1,2,3,4,5])"))
-  1)
-
-(pl-int-test!
-  "quicksort([3,1,2], [3,1,2]) fails — unsorted order rejected"
-  (len (pl-query-all pl-int-qs-db "quicksort([3,1,2], [3,1,2])"))
-  0)
-
-;; ── Fibonacci ──
-;; Naive recursive; ground checks avoid list-format uncertainty
-
-(define
-  pl-int-fib-src
-  "fib(0, 0). fib(1, 1). fib(N, F) :- N > 1, N1 is N - 1, N2 is N - 2, fib(N1, F1), fib(N2, F2), F is F1 + F2.")
-
-(define pl-int-fib-db (pl-load pl-int-fib-src))
-
-(pl-int-test!
-  "fib(0, 0) succeeds"
-  (len (pl-query-all pl-int-fib-db "fib(0, 0)"))
-  1)
-
-(pl-int-test!
-  "fib(5, 5) succeeds"
-  (len (pl-query-all pl-int-fib-db "fib(5, 5)"))
-  1)
-
-(pl-int-test!
-  "fib(7, 13) succeeds"
-  (len (pl-query-all pl-int-fib-db "fib(7, 13)"))
-  1)
-
-;; ── Dynamic knowledge base ──
-;; Assert and retract facts; the DB dict is mutable so mutations persist
-
-(define pl-int-dyn-src "color(red). color(green). color(blue).")
-(define pl-int-dyn-db (pl-load pl-int-dyn-src))
-
-(pl-int-test!
-  "initial KB: 3 colors"
-  (len (pl-query-all pl-int-dyn-db "color(X)"))
-  3)
-
-(pl-int-test!
-  "after assert(color(yellow)): 4 colors"
-  (begin
-    (pl-query-all pl-int-dyn-db "assert(color(yellow))")
-    (len (pl-query-all pl-int-dyn-db "color(X)")))
-  4)
-
-(pl-int-test!
-  "after retract(color(red)): back to 3 colors"
-  (begin
-    (pl-query-all pl-int-dyn-db "retract(color(red))")
-    (len (pl-query-all pl-int-dyn-db "color(X)")))
-  3)
-
-(define pl-integration-tests-run! (fn () {:failed pl-int-test-fail :passed pl-int-test-pass :total pl-int-test-count :failures pl-int-test-failures}))

lib/prolog/tests/io_predicates.sx

@@ -1,326 +0,0 @@
-;; lib/prolog/tests/io_predicates.sx — term_to_atom/2, term_string/2,
-;;   with_output_to/2, writeln/1, format/1, format/2
-
-(define pl-io-test-count 0)
-(define pl-io-test-pass 0)
-(define pl-io-test-fail 0)
-(define pl-io-test-failures (list))
-
-(define
-  pl-io-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-io-test-count (+ pl-io-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-io-test-pass (+ pl-io-test-pass 1))
-        (begin
-          (set! pl-io-test-fail (+ pl-io-test-fail 1))
-          (append!
-            pl-io-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-io-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-(define pl-io-db (pl-mk-db))
-
-;; helper: get output buffer after running a goal
-(define
-  pl-io-capture!
-  (fn
-    (goal)
-    (do
-      (pl-output-clear!)
-      (pl-solve-once! pl-io-db goal (pl-mk-trail))
-      pl-output-buffer)))
-
-;; ─── term_to_atom/2 — bound Term direction ─────────────────────────────────
-
-(pl-io-test!
-  "term_to_atom(foo(a,b), A) — compound"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "term_to_atom(foo(a,b), A)" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "A"))))
-  "foo(a, b)")
-
-(pl-io-test!
-  "term_to_atom(hello, A) — atom"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "term_to_atom(hello, A)" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "A"))))
-  "hello")
-
-(pl-io-test!
-  "term_to_atom(42, A) — number"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "term_to_atom(42, A)" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "A"))))
-  "42")
-
-(pl-io-test!
-  "term_to_atom(foo(a,b), 'foo(a, b)') — succeeds when Atom matches"
-  (pl-solve-once!
-    pl-io-db
-    (pl-io-goal "term_to_atom(foo(a,b), 'foo(a, b)')" {})
-    (pl-mk-trail))
-  true)
-
-(pl-io-test!
-  "term_to_atom(hello, world) — fails on mismatch"
-  (pl-solve-once!
-    pl-io-db
-    (pl-io-goal "term_to_atom(hello, world)" {})
-    (pl-mk-trail))
-  false)
-
-;; ─── term_to_atom/2 — parse direction (Atom bound, Term unbound) ───────────
-
-(pl-io-test!
-  "term_to_atom(T, 'foo(a)') — parse direction gives compound"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "term_to_atom(T, 'foo(a)')" env)
-      (pl-mk-trail))
-    (let
-      ((t (pl-walk-deep (dict-get env "T"))))
-      (and (pl-compound? t) (= (pl-fun t) "foo"))))
-  true)
-
-(pl-io-test!
-  "term_to_atom(T, hello) — parse direction gives atom"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "term_to_atom(T, hello)" env)
-      (pl-mk-trail))
-    (let
-      ((t (pl-walk-deep (dict-get env "T"))))
-      (and (pl-atom? t) (= (pl-atom-name t) "hello"))))
-  true)
-
-;; ─── term_string/2 — alias ──────────────────────────────────────────────────
-
-(pl-io-test!
-  "term_string(bar(x), A) — same as term_to_atom"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "term_string(bar(x), A)" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "A"))))
-  "bar(x)")
-
-(pl-io-test!
-  "term_string(42, A) — number to string"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "term_string(42, A)" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "A"))))
-  "42")
-
-;; ─── writeln/1 ─────────────────────────────────────────────────────────────
-
-(pl-io-test!
-  "writeln(hello) writes 'hello\n'"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), writeln(hello))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "hello
-")
-
-(pl-io-test!
-  "writeln(42) writes '42\n'"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), writeln(42))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "42
-")
-
-;; ─── with_output_to/2 ──────────────────────────────────────────────────────
-
-(pl-io-test!
-  "with_output_to(atom(X), write(foo)) — captures write output"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), write(foo))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "foo")
-
-(pl-io-test!
-  "with_output_to(atom(X), (write(a), write(b))) — concat output"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), (write(a), write(b)))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "ab")
-
-(pl-io-test!
-  "with_output_to(atom(X), nl) — captures newline"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), nl)" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "
-")
-
-(pl-io-test!
-  "with_output_to(atom(X), true) — captures empty string"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), true)" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "")
-
-(pl-io-test!
-  "with_output_to(string(X), write(hello)) — string sink works"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(string(X), write(hello))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "hello")
-
-(pl-io-test!
-  "with_output_to(atom(X), fail) — fails when goal fails"
-  (pl-solve-once!
-    pl-io-db
-    (pl-io-goal "with_output_to(atom(X), fail)" {})
-    (pl-mk-trail))
-  false)
-
-;; ─── format/1 ──────────────────────────────────────────────────────────────
-
-(pl-io-test!
-  "format('hello~n') — tilde-n becomes newline"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), format('hello~n'))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "hello
-")
-
-(pl-io-test!
-  "format('~~') — double tilde becomes single tilde"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), format('~~'))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "~")
-
-(pl-io-test!
-  "format('abc') — plain text passes through"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), format(abc))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "abc")
-
-;; ─── format/2 ──────────────────────────────────────────────────────────────
-
-(pl-io-test!
-  "format('~w+~w', [1,2]) — two ~w args"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), format('~w+~w', [1,2]))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "1+2")
-
-(pl-io-test!
-  "format('hello ~a!', [world]) — ~a with atom arg"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), format('hello ~a!', [world]))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "hello world!")
-
-(pl-io-test!
-  "format('n=~d', [42]) — ~d with integer arg"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), format('n=~d', [42]))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "n=42")
-
-(pl-io-test!
-  "format('~w', [foo(a)]) — ~w with compound"
-  (let
-    ((env {}))
-    (pl-solve-once!
-      pl-io-db
-      (pl-io-goal "with_output_to(atom(X), format('~w', [foo(a)]))" env)
-      (pl-mk-trail))
-    (pl-atom-name (pl-walk-deep (dict-get env "X"))))
-  "foo(a)")
-
-(define
-  pl-io-predicates-tests-run!
-  (fn
-    ()
-    {:failed pl-io-test-fail
-      :passed pl-io-test-pass
-      :total pl-io-test-count
-      :failures pl-io-test-failures}))

lib/prolog/tests/iso_predicates.sx

@@ -1,320 +0,0 @@
-;; lib/prolog/tests/iso_predicates.sx — succ/2, plus/3, between/3, length/2, last/2, nth0/3, nth1/3, max/min arith
-
-(define pl-ip-test-count 0)
-(define pl-ip-test-pass 0)
-(define pl-ip-test-fail 0)
-(define pl-ip-test-failures (list))
-
-(define
-  pl-ip-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-ip-test-count (+ pl-ip-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-ip-test-pass (+ pl-ip-test-pass 1))
-        (begin
-          (set! pl-ip-test-fail (+ pl-ip-test-fail 1))
-          (append!
-            pl-ip-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-ip-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-(define pl-ip-db (pl-mk-db))
-
-;; ── succ/2 ──
-
-(define pl-ip-env-s1 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "succ(3, X)" pl-ip-env-s1)
-  (pl-mk-trail))
-(pl-ip-test!
-  "succ(3, X) → X=4"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-s1 "X")))
-  4)
-
-(define pl-ip-env-s2 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "succ(0, X)" pl-ip-env-s2)
-  (pl-mk-trail))
-(pl-ip-test!
-  "succ(0, X) → X=1"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-s2 "X")))
-  1)
-
-(define pl-ip-env-s3 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "succ(X, 5)" pl-ip-env-s3)
-  (pl-mk-trail))
-(pl-ip-test!
-  "succ(X, 5) → X=4"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-s3 "X")))
-  4)
-
-(pl-ip-test!
-  "succ(X, 0) fails"
-  (pl-solve-once!
-    pl-ip-db
-    (pl-ip-goal "succ(X, 0)" {})
-    (pl-mk-trail))
-  false)
-
-;; ── plus/3 ──
-
-(define pl-ip-env-p1 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "plus(2, 3, X)" pl-ip-env-p1)
-  (pl-mk-trail))
-(pl-ip-test!
-  "plus(2, 3, X) → X=5"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-p1 "X")))
-  5)
-
-(define pl-ip-env-p2 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "plus(2, X, 7)" pl-ip-env-p2)
-  (pl-mk-trail))
-(pl-ip-test!
-  "plus(2, X, 7) → X=5"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-p2 "X")))
-  5)
-
-(define pl-ip-env-p3 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "plus(X, 3, 7)" pl-ip-env-p3)
-  (pl-mk-trail))
-(pl-ip-test!
-  "plus(X, 3, 7) → X=4"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-p3 "X")))
-  4)
-
-(pl-ip-test!
-  "plus(0, 0, 0) succeeds"
-  (pl-solve-once!
-    pl-ip-db
-    (pl-ip-goal "plus(0, 0, 0)" {})
-    (pl-mk-trail))
-  true)
-
-;; ── between/3 ──
-
-(pl-ip-test!
-  "between(1, 3, X): 3 solutions"
-  (pl-solve-count!
-    pl-ip-db
-    (pl-ip-goal "between(1, 3, X)" {})
-    (pl-mk-trail))
-  3)
-
-(pl-ip-test!
-  "between(1, 3, 2) succeeds"
-  (pl-solve-once!
-    pl-ip-db
-    (pl-ip-goal "between(1, 3, 2)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-ip-test!
-  "between(1, 3, 5) fails"
-  (pl-solve-once!
-    pl-ip-db
-    (pl-ip-goal "between(1, 3, 5)" {})
-    (pl-mk-trail))
-  false)
-
-(pl-ip-test!
-  "between(5, 3, X): 0 solutions (empty range)"
-  (pl-solve-count!
-    pl-ip-db
-    (pl-ip-goal "between(5, 3, X)" {})
-    (pl-mk-trail))
-  0)
-
-(define pl-ip-env-b1 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "between(1, 5, X)" pl-ip-env-b1)
-  (pl-mk-trail))
-(pl-ip-test!
-  "between(1, 5, X): first solution X=1"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-b1 "X")))
-  1)
-
-(pl-ip-test!
-  "between + condition: between(1,5,X), X > 3 → 2 solutions"
-  (pl-solve-count!
-    pl-ip-db
-    (pl-ip-goal "between(1, 5, X), X > 3" {})
-    (pl-mk-trail))
-  2)
-
-;; ── length/2 ──
-
-(define pl-ip-env-l1 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "length([1,2,3], N)" pl-ip-env-l1)
-  (pl-mk-trail))
-(pl-ip-test!
-  "length([1,2,3], N) → N=3"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-l1 "N")))
-  3)
-
-(define pl-ip-env-l2 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "length([], N)" pl-ip-env-l2)
-  (pl-mk-trail))
-(pl-ip-test!
-  "length([], N) → N=0"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-l2 "N")))
-  0)
-
-(pl-ip-test!
-  "length([a,b], 2) check succeeds"
-  (pl-solve-once!
-    pl-ip-db
-    (pl-ip-goal "length([a,b], 2)" {})
-    (pl-mk-trail))
-  true)
-
-(define pl-ip-env-l3 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "length(L, 3)" pl-ip-env-l3)
-  (pl-mk-trail))
-(pl-ip-test!
-  "length(L, 3): L is a list of length 3"
-  (pl-solve-once!
-    pl-ip-db
-    (pl-ip-goal "length(L, 3), is_list(L)" pl-ip-env-l3)
-    (pl-mk-trail))
-  true)
-
-;; ── last/2 ──
-
-(define pl-ip-env-la1 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "last([1,2,3], X)" pl-ip-env-la1)
-  (pl-mk-trail))
-(pl-ip-test!
-  "last([1,2,3], X) → X=3"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-la1 "X")))
-  3)
-
-(define pl-ip-env-la2 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "last([a], X)" pl-ip-env-la2)
-  (pl-mk-trail))
-(pl-ip-test!
-  "last([a], X) → X=a"
-  (pl-atom-name (pl-walk-deep (dict-get pl-ip-env-la2 "X")))
-  "a")
-
-(pl-ip-test!
-  "last([], X) fails"
-  (pl-solve-once!
-    pl-ip-db
-    (pl-ip-goal "last([], X)" {})
-    (pl-mk-trail))
-  false)
-
-;; ── nth0/3 ──
-
-(define pl-ip-env-n0 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "nth0(0, [a,b,c], X)" pl-ip-env-n0)
-  (pl-mk-trail))
-(pl-ip-test!
-  "nth0(0, [a,b,c], X) → X=a"
-  (pl-atom-name (pl-walk-deep (dict-get pl-ip-env-n0 "X")))
-  "a")
-
-(define pl-ip-env-n1 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "nth0(2, [a,b,c], X)" pl-ip-env-n1)
-  (pl-mk-trail))
-(pl-ip-test!
-  "nth0(2, [a,b,c], X) → X=c"
-  (pl-atom-name (pl-walk-deep (dict-get pl-ip-env-n1 "X")))
-  "c")
-
-(pl-ip-test!
-  "nth0(5, [a,b,c], X) fails"
-  (pl-solve-once!
-    pl-ip-db
-    (pl-ip-goal "nth0(5, [a,b,c], X)" {})
-    (pl-mk-trail))
-  false)
-
-;; ── nth1/3 ──
-
-(define pl-ip-env-n1a {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "nth1(1, [a,b,c], X)" pl-ip-env-n1a)
-  (pl-mk-trail))
-(pl-ip-test!
-  "nth1(1, [a,b,c], X) → X=a"
-  (pl-atom-name (pl-walk-deep (dict-get pl-ip-env-n1a "X")))
-  "a")
-
-(define pl-ip-env-n1b {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "nth1(3, [a,b,c], X)" pl-ip-env-n1b)
-  (pl-mk-trail))
-(pl-ip-test!
-  "nth1(3, [a,b,c], X) → X=c"
-  (pl-atom-name (pl-walk-deep (dict-get pl-ip-env-n1b "X")))
-  "c")
-
-;; ── max/min in arithmetic ──
-
-(define pl-ip-env-m1 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "X is max(3, 5)" pl-ip-env-m1)
-  (pl-mk-trail))
-(pl-ip-test!
-  "X is max(3, 5) → X=5"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-m1 "X")))
-  5)
-
-(define pl-ip-env-m2 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "X is min(3, 5)" pl-ip-env-m2)
-  (pl-mk-trail))
-(pl-ip-test!
-  "X is min(3, 5) → X=3"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-m2 "X")))
-  3)
-
-(define pl-ip-env-m3 {})
-(pl-solve-once!
-  pl-ip-db
-  (pl-ip-goal "X is max(7, 2) + min(1, 4)" pl-ip-env-m3)
-  (pl-mk-trail))
-(pl-ip-test!
-  "X is max(7,2) + min(1,4) → X=8"
-  (pl-num-val (pl-walk-deep (dict-get pl-ip-env-m3 "X")))
-  8)
-
-(define pl-iso-predicates-tests-run! (fn () {:failed pl-ip-test-fail :passed pl-ip-test-pass :total pl-ip-test-count :failures pl-ip-test-failures}))

lib/prolog/tests/list_predicates.sx

@@ -1,335 +0,0 @@
-;; lib/prolog/tests/list_predicates.sx — ==/2, \==/2, flatten/2, numlist/3,
-;;   atomic_list_concat/2,3, sum_list/2, max_list/2, min_list/2, delete/3
-
-(define pl-lp-test-count 0)
-(define pl-lp-test-pass 0)
-(define pl-lp-test-fail 0)
-(define pl-lp-test-failures (list))
-
-(define
-  pl-lp-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-lp-test-count (+ pl-lp-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-lp-test-pass (+ pl-lp-test-pass 1))
-        (begin
-          (set! pl-lp-test-fail (+ pl-lp-test-fail 1))
-          (append!
-            pl-lp-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-lp-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-(define pl-lp-db (pl-mk-db))
-
-;; ── ==/2 ───────────────────────────────────────────────────────────
-
-(pl-lp-test!
-  "==(a, a) succeeds"
-  (pl-solve-once! pl-lp-db (pl-lp-goal "==(a, a)" {}) (pl-mk-trail))
-  true)
-
-(pl-lp-test!
-  "==(a, b) fails"
-  (pl-solve-once! pl-lp-db (pl-lp-goal "==(a, b)" {}) (pl-mk-trail))
-  false)
-
-(pl-lp-test!
-  "==(1, 1) succeeds"
-  (pl-solve-once! pl-lp-db (pl-lp-goal "==(1, 1)" {}) (pl-mk-trail))
-  true)
-
-(pl-lp-test!
-  "==(1, 2) fails"
-  (pl-solve-once! pl-lp-db (pl-lp-goal "==(1, 2)" {}) (pl-mk-trail))
-  false)
-
-(pl-lp-test!
-  "==(f(a,b), f(a,b)) succeeds"
-  (pl-solve-once!
-    pl-lp-db
-    (pl-lp-goal "==(f(a,b), f(a,b))" {})
-    (pl-mk-trail))
-  true)
-
-(pl-lp-test!
-  "==(f(a,b), f(a,c)) fails"
-  (pl-solve-once!
-    pl-lp-db
-    (pl-lp-goal "==(f(a,b), f(a,c))" {})
-    (pl-mk-trail))
-  false)
-
-;; unbound var vs atom: fails (different tags)
-(pl-lp-test!
-  "==(X, a) fails (unbound var vs atom)"
-  (pl-solve-once! pl-lp-db (pl-lp-goal "==(X, a)" {}) (pl-mk-trail))
-  false)
-
-;; two unbound vars with SAME name in same env share the same runtime var
-(define pl-lp-env-same-var {})
-(pl-lp-goal "==(X, X)" pl-lp-env-same-var)
-(pl-lp-test!
-  "==(X, X) succeeds (same runtime var)"
-  (pl-solve-once!
-    pl-lp-db
-    (pl-instantiate
-      (nth (first (pl-parse "g :- ==(X, X).")) 2)
-      pl-lp-env-same-var)
-    (pl-mk-trail))
-  true)
-
-;; ── \==/2 ──────────────────────────────────────────────────────────
-
-(pl-lp-test!
-  "\\==(a, b) succeeds"
-  (pl-solve-once! pl-lp-db (pl-lp-goal "\\==(a, b)" {}) (pl-mk-trail))
-  true)
-
-(pl-lp-test!
-  "\\==(a, a) fails"
-  (pl-solve-once! pl-lp-db (pl-lp-goal "\\==(a, a)" {}) (pl-mk-trail))
-  false)
-
-(pl-lp-test!
-  "\\==(X, a) succeeds (unbound var differs from atom)"
-  (pl-solve-once! pl-lp-db (pl-lp-goal "\\==(X, a)" {}) (pl-mk-trail))
-  true)
-
-(pl-lp-test!
-  "\\==(1, 2) succeeds"
-  (pl-solve-once! pl-lp-db (pl-lp-goal "\\==(1, 2)" {}) (pl-mk-trail))
-  true)
-
-;; ── flatten/2 ──────────────────────────────────────────────────────
-
-(define pl-lp-env-fl1 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "flatten([], F)" pl-lp-env-fl1)
-  (pl-mk-trail))
-(pl-lp-test!
-  "flatten([], []) -> empty"
-  (pl-format-term (pl-walk-deep (dict-get pl-lp-env-fl1 "F")))
-  "[]")
-
-(define pl-lp-env-fl2 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "flatten([1,2,3], F)" pl-lp-env-fl2)
-  (pl-mk-trail))
-(pl-lp-test!
-  "flatten([1,2,3], F) -> [1,2,3]"
-  (pl-format-term (pl-walk-deep (dict-get pl-lp-env-fl2 "F")))
-  ".(1, .(2, .(3, [])))")
-
-(define pl-lp-env-fl3 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "flatten([1,[2,[3]],4], F)" pl-lp-env-fl3)
-  (pl-mk-trail))
-(pl-lp-test!
-  "flatten([1,[2,[3]],4], F) -> [1,2,3,4]"
-  (pl-format-term (pl-walk-deep (dict-get pl-lp-env-fl3 "F")))
-  ".(1, .(2, .(3, .(4, []))))")
-
-(define pl-lp-env-fl4 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "flatten([[a,b],[c]], F)" pl-lp-env-fl4)
-  (pl-mk-trail))
-(pl-lp-test!
-  "flatten([[a,b],[c]], F) -> [a,b,c]"
-  (pl-format-term (pl-walk-deep (dict-get pl-lp-env-fl4 "F")))
-  ".(a, .(b, .(c, [])))")
-
-;; ── numlist/3 ──────────────────────────────────────────────────────
-
-(define pl-lp-env-nl1 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "numlist(1, 5, L)" pl-lp-env-nl1)
-  (pl-mk-trail))
-(pl-lp-test!
-  "numlist(1,5,L) -> [1,2,3,4,5]"
-  (pl-format-term (pl-walk-deep (dict-get pl-lp-env-nl1 "L")))
-  ".(1, .(2, .(3, .(4, .(5, [])))))")
-
-(define pl-lp-env-nl2 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "numlist(3, 3, L)" pl-lp-env-nl2)
-  (pl-mk-trail))
-(pl-lp-test!
-  "numlist(3,3,L) -> [3]"
-  (pl-format-term (pl-walk-deep (dict-get pl-lp-env-nl2 "L")))
-  ".(3, [])")
-
-(pl-lp-test!
-  "numlist(5, 3, L) fails (Low > High)"
-  (pl-solve-once!
-    pl-lp-db
-    (pl-lp-goal "numlist(5, 3, L)" {})
-    (pl-mk-trail))
-  false)
-
-;; ── atomic_list_concat/2 ───────────────────────────────────────────
-
-(define pl-lp-env-alc1 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "atomic_list_concat([a, b, c], R)" pl-lp-env-alc1)
-  (pl-mk-trail))
-(pl-lp-test!
-  "atomic_list_concat([a,b,c], R) -> abc"
-  (pl-atom-name (pl-walk-deep (dict-get pl-lp-env-alc1 "R")))
-  "abc")
-
-(define pl-lp-env-alc2 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "atomic_list_concat([hello, world], R)" pl-lp-env-alc2)
-  (pl-mk-trail))
-(pl-lp-test!
-  "atomic_list_concat([hello,world], R) -> helloworld"
-  (pl-atom-name (pl-walk-deep (dict-get pl-lp-env-alc2 "R")))
-  "helloworld")
-
-;; ── atomic_list_concat/3 ───────────────────────────────────────────
-
-(define pl-lp-env-alcs1 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "atomic_list_concat([a, b, c], '-', R)" pl-lp-env-alcs1)
-  (pl-mk-trail))
-(pl-lp-test!
-  "atomic_list_concat([a,b,c], '-', R) -> a-b-c"
-  (pl-atom-name (pl-walk-deep (dict-get pl-lp-env-alcs1 "R")))
-  "a-b-c")
-
-(define pl-lp-env-alcs2 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "atomic_list_concat([x], '-', R)" pl-lp-env-alcs2)
-  (pl-mk-trail))
-(pl-lp-test!
-  "atomic_list_concat([x], '-', R) -> x (single element, no sep)"
-  (pl-atom-name (pl-walk-deep (dict-get pl-lp-env-alcs2 "R")))
-  "x")
-
-;; ── sum_list/2 ─────────────────────────────────────────────────────
-
-(define pl-lp-env-sl1 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "sum_list([1,2,3], S)" pl-lp-env-sl1)
-  (pl-mk-trail))
-(pl-lp-test!
-  "sum_list([1,2,3], S) -> 6"
-  (pl-num-val (pl-walk-deep (dict-get pl-lp-env-sl1 "S")))
-  6)
-
-(define pl-lp-env-sl2 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "sum_list([10], S)" pl-lp-env-sl2)
-  (pl-mk-trail))
-(pl-lp-test!
-  "sum_list([10], S) -> 10"
-  (pl-num-val (pl-walk-deep (dict-get pl-lp-env-sl2 "S")))
-  10)
-
-(define pl-lp-env-sl3 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "sum_list([], S)" pl-lp-env-sl3)
-  (pl-mk-trail))
-(pl-lp-test!
-  "sum_list([], S) -> 0"
-  (pl-num-val (pl-walk-deep (dict-get pl-lp-env-sl3 "S")))
-  0)
-
-;; ── max_list/2 ─────────────────────────────────────────────────────
-
-(define pl-lp-env-mx1 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "max_list([3,1,4,1,5,9,2,6], M)" pl-lp-env-mx1)
-  (pl-mk-trail))
-(pl-lp-test!
-  "max_list([3,1,4,1,5,9,2,6], M) -> 9"
-  (pl-num-val (pl-walk-deep (dict-get pl-lp-env-mx1 "M")))
-  9)
-
-(define pl-lp-env-mx2 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "max_list([7], M)" pl-lp-env-mx2)
-  (pl-mk-trail))
-(pl-lp-test!
-  "max_list([7], M) -> 7"
-  (pl-num-val (pl-walk-deep (dict-get pl-lp-env-mx2 "M")))
-  7)
-
-;; ── min_list/2 ─────────────────────────────────────────────────────
-
-(define pl-lp-env-mn1 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "min_list([3,1,4,1,5,9,2,6], M)" pl-lp-env-mn1)
-  (pl-mk-trail))
-(pl-lp-test!
-  "min_list([3,1,4,1,5,9,2,6], M) -> 1"
-  (pl-num-val (pl-walk-deep (dict-get pl-lp-env-mn1 "M")))
-  1)
-
-(define pl-lp-env-mn2 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "min_list([5,2,8], M)" pl-lp-env-mn2)
-  (pl-mk-trail))
-(pl-lp-test!
-  "min_list([5,2,8], M) -> 2"
-  (pl-num-val (pl-walk-deep (dict-get pl-lp-env-mn2 "M")))
-  2)
-
-;; ── delete/3 ───────────────────────────────────────────────────────
-
-(define pl-lp-env-del1 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "delete([1,2,3,2,1], 2, R)" pl-lp-env-del1)
-  (pl-mk-trail))
-(pl-lp-test!
-  "delete([1,2,3,2,1], 2, R) -> [1,3,1]"
-  (pl-format-term (pl-walk-deep (dict-get pl-lp-env-del1 "R")))
-  ".(1, .(3, .(1, [])))")
-
-(define pl-lp-env-del2 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "delete([a,b,c], d, R)" pl-lp-env-del2)
-  (pl-mk-trail))
-(pl-lp-test!
-  "delete([a,b,c], d, R) -> [a,b,c] (nothing deleted)"
-  (pl-format-term (pl-walk-deep (dict-get pl-lp-env-del2 "R")))
-  ".(a, .(b, .(c, [])))")
-
-(define pl-lp-env-del3 {})
-(pl-solve-once!
-  pl-lp-db
-  (pl-lp-goal "delete([], x, R)" pl-lp-env-del3)
-  (pl-mk-trail))
-(pl-lp-test!
-  "delete([], x, R) -> []"
-  (pl-format-term (pl-walk-deep (dict-get pl-lp-env-del3 "R")))
-  "[]")
-
-(define pl-list-predicates-tests-run! (fn () {:failed pl-lp-test-fail :passed pl-lp-test-pass :total pl-lp-test-count :failures pl-lp-test-failures}))

lib/prolog/tests/meta_call.sx

@@ -1,197 +0,0 @@
-;; lib/prolog/tests/meta_call.sx — forall/2, maplist/2, maplist/3, include/3, exclude/3
-(define pl-mc-test-count 0)
-(define pl-mc-test-pass 0)
-(define pl-mc-test-fail 0)
-(define pl-mc-test-failures (list))
-
-(define
-  pl-mc-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-mc-test-count (+ pl-mc-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-mc-test-pass (+ pl-mc-test-pass 1))
-        (begin
-          (set! pl-mc-test-fail (+ pl-mc-test-fail 1))
-          (append!
-            pl-mc-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-mc-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-(define
-  pl-mc-term-to-sx
-  (fn
-    (t)
-    (cond
-      ((pl-num? t) (pl-num-val t))
-      ((pl-atom? t) (pl-atom-name t))
-      (else t))))
-
-(define
-  pl-mc-list-sx
-  (fn
-    (t)
-    (let
-      ((w (pl-walk-deep t)))
-      (cond
-        ((and (pl-atom? w) (= (pl-atom-name w) "[]")) (list))
-        ((and (pl-compound? w) (= (pl-fun w) "."))
-          (cons
-            (pl-mc-term-to-sx (first (pl-args w)))
-            (pl-mc-list-sx (nth (pl-args w) 1))))
-        (else (list :not-list))))))
-
-(define pl-mc-db (pl-mk-db))
-
-(pl-db-load!
-  pl-mc-db
-  (pl-parse "member(X, [X|_]). member(X, [_|T]) :- member(X, T)."))
-
-(pl-db-load! pl-mc-db (pl-parse "double(X, Y) :- Y is X * 2."))
-
-(pl-db-load! pl-mc-db (pl-parse "even(X) :- 0 is X mod 2."))
-
-;; -- forall/2 --
-
-(pl-mc-test!
-  "forall(member(X,[2,4,6]), 0 is X mod 2) — all even"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "forall(member(X,[2,4,6]), 0 is X mod 2)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mc-test!
-  "forall(member(X,[2,3,6]), 0 is X mod 2) — 3 is odd, fails"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "forall(member(X,[2,3,6]), 0 is X mod 2)" {})
-    (pl-mk-trail))
-  false)
-
-(pl-mc-test!
-  "forall(member(_,[]), true) — vacuously true"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "forall(member(_,[]), true)" {})
-    (pl-mk-trail))
-  true)
-
-;; -- maplist/2 --
-
-(pl-mc-test!
-  "maplist(atom, [a,b,c]) — all atoms"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "maplist(atom, [a,b,c])" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mc-test!
-  "maplist(atom, [a,1,c]) — 1 is not atom, fails"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "maplist(atom, [a,1,c])" {})
-    (pl-mk-trail))
-  false)
-
-(pl-mc-test!
-  "maplist(atom, []) — vacuously true"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "maplist(atom, [])" {})
-    (pl-mk-trail))
-  true)
-
-;; -- maplist/3 --
-
-(pl-mc-test!
-  "maplist(double, [1,2,3], [2,4,6]) — deterministic check"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "maplist(double, [1,2,3], [2,4,6])" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mc-test!
-  "maplist(double, [1,2,3], [2,4,7]) — wrong result fails"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "maplist(double, [1,2,3], [2,4,7])" {})
-    (pl-mk-trail))
-  false)
-
-(define pl-mc-env-ml3 {:L (pl-mk-rt-var "L")})
-(pl-solve-once!
-  pl-mc-db
-  (pl-mc-goal "maplist(double, [1,2,3], L)" pl-mc-env-ml3)
-  (pl-mk-trail))
-(pl-mc-test!
-  "maplist(double, [1,2,3], L) — L bound to [2,4,6]"
-  (pl-mc-list-sx (dict-get pl-mc-env-ml3 "L"))
-  (list 2 4 6))
-
-;; -- include/3 --
-
-(pl-mc-test!
-  "include(even, [1,2,3,4,5,6], [2,4,6])"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "include(even, [1,2,3,4,5,6], [2,4,6])" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mc-test!
-  "include(even, [], [])"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "include(even, [], [])" {})
-    (pl-mk-trail))
-  true)
-
-(define pl-mc-env-inc {:R (pl-mk-rt-var "R")})
-(pl-solve-once!
-  pl-mc-db
-  (pl-mc-goal "include(even, [1,2,3,4,5,6], R)" pl-mc-env-inc)
-  (pl-mk-trail))
-(pl-mc-test!
-  "include(even, [1,2,3,4,5,6], R) — R bound to [2,4,6]"
-  (pl-mc-list-sx (dict-get pl-mc-env-inc "R"))
-  (list 2 4 6))
-
-;; -- exclude/3 --
-
-(pl-mc-test!
-  "exclude(even, [1,2,3,4,5,6], [1,3,5])"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "exclude(even, [1,2,3,4,5,6], [1,3,5])" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mc-test!
-  "exclude(even, [], [])"
-  (pl-solve-once!
-    pl-mc-db
-    (pl-mc-goal "exclude(even, [], [])" {})
-    (pl-mk-trail))
-  true)
-
-(define pl-mc-env-exc {:R (pl-mk-rt-var "R")})
-(pl-solve-once!
-  pl-mc-db
-  (pl-mc-goal "exclude(even, [1,2,3,4,5,6], R)" pl-mc-env-exc)
-  (pl-mk-trail))
-(pl-mc-test!
-  "exclude(even, [1,2,3,4,5,6], R) — R bound to [1,3,5]"
-  (pl-mc-list-sx (dict-get pl-mc-env-exc "R"))
-  (list 1 3 5))
-
-(define pl-meta-call-tests-run! (fn () {:failed pl-mc-test-fail :passed pl-mc-test-pass :total pl-mc-test-count :failures pl-mc-test-failures}))

lib/prolog/tests/meta_predicates.sx

@@ -1,252 +0,0 @@
-;; lib/prolog/tests/meta_predicates.sx — \+/1, not/1, once/1, ignore/1, ground/1, sort/2, msort/2, atom_number/2, number_string/2
-
-(define pl-mp-test-count 0)
-(define pl-mp-test-pass 0)
-(define pl-mp-test-fail 0)
-(define pl-mp-test-failures (list))
-
-(define
-  pl-mp-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-mp-test-count (+ pl-mp-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-mp-test-pass (+ pl-mp-test-pass 1))
-        (begin
-          (set! pl-mp-test-fail (+ pl-mp-test-fail 1))
-          (append!
-            pl-mp-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-mp-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-(define pl-mp-db (pl-mk-db))
-(pl-db-load!
-  pl-mp-db
-  (pl-parse "member(X, [X|_]). member(X, [_|T]) :- member(X, T)."))
-
-;; -- \+/1 --
-
-(pl-mp-test!
-  "\\+(fail) succeeds"
-  (pl-solve-once! pl-mp-db (pl-mp-goal "\\+(fail)" {}) (pl-mk-trail))
-  true)
-
-(pl-mp-test!
-  "\\+(true) fails"
-  (pl-solve-once! pl-mp-db (pl-mp-goal "\\+(true)" {}) (pl-mk-trail))
-  false)
-
-(pl-mp-test!
-  "\\+(member(d, [a,b,c])) succeeds"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "\\+(member(d, [a,b,c]))" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mp-test!
-  "\\+(member(a, [a,b,c])) fails"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "\\+(member(a, [a,b,c]))" {})
-    (pl-mk-trail))
-  false)
-
-(define pl-mp-env-neg {})
-(pl-solve-once!
-  pl-mp-db
-  (pl-mp-goal "\\+(X = 5)" pl-mp-env-neg)
-  (pl-mk-trail))
-(pl-mp-test!
-  "\\+(X=5) fails, X stays unbound (bindings undone)"
-  (nil? (pl-var-binding (dict-get pl-mp-env-neg "X")))
-  true)
-
-;; -- not/1 --
-
-(pl-mp-test!
-  "not(fail) succeeds"
-  (pl-solve-once! pl-mp-db (pl-mp-goal "not(fail)" {}) (pl-mk-trail))
-  true)
-
-(pl-mp-test!
-  "not(true) fails"
-  (pl-solve-once! pl-mp-db (pl-mp-goal "not(true)" {}) (pl-mk-trail))
-  false)
-
-;; -- once/1 --
-
-(pl-mp-test!
-  "once(member(X,[1,2,3])) succeeds once"
-  (pl-solve-count!
-    pl-mp-db
-    (pl-mp-goal "once(member(X,[1,2,3]))" {})
-    (pl-mk-trail))
-  1)
-
-(define pl-mp-env-once {})
-(pl-solve-once!
-  pl-mp-db
-  (pl-mp-goal "once(member(X,[1,2,3]))" pl-mp-env-once)
-  (pl-mk-trail))
-(pl-mp-test!
-  "once(member(X,[1,2,3])): X=1 (first solution)"
-  (pl-num-val (pl-walk-deep (dict-get pl-mp-env-once "X")))
-  1)
-
-(pl-mp-test!
-  "once(fail) fails"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "once(fail)" {})
-    (pl-mk-trail))
-  false)
-
-;; -- ignore/1 --
-
-(pl-mp-test!
-  "ignore(true) succeeds"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "ignore(true)" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mp-test!
-  "ignore(fail) still succeeds"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "ignore(fail)" {})
-    (pl-mk-trail))
-  true)
-
-;; -- ground/1 --
-
-(pl-mp-test!
-  "ground(foo(1, a)) succeeds"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "ground(foo(1, a))" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mp-test!
-  "ground(foo(X, a)) fails (X unbound)"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "ground(foo(X, a))" {})
-    (pl-mk-trail))
-  false)
-
-(pl-mp-test!
-  "ground(42) succeeds"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "ground(42)" {})
-    (pl-mk-trail))
-  true)
-
-;; -- sort/2 --
-
-(pl-mp-test!
-  "sort([b,a,c], [a,b,c])"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "sort([b,a,c], [a,b,c])" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mp-test!
-  "sort([b,a,a,c], [a,b,c]) (removes duplicates)"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "sort([b,a,a,c], [a,b,c])" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mp-test!
-  "sort([], [])"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "sort([], [])" {})
-    (pl-mk-trail))
-  true)
-
-;; -- msort/2 --
-
-(pl-mp-test!
-  "msort([b,a,a,c], [a,a,b,c]) (keeps duplicates)"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "msort([b,a,a,c], [a,a,b,c])" {})
-    (pl-mk-trail))
-  true)
-
-(pl-mp-test!
-  "msort([3,1,2,1], [1,1,2,3])"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "msort([3,1,2,1], [1,1,2,3])" {})
-    (pl-mk-trail))
-  true)
-
-;; -- atom_number/2 --
-
-(define pl-mp-env-an1 {})
-(pl-solve-once!
-  pl-mp-db
-  (pl-mp-goal "atom_number('42', N)" pl-mp-env-an1)
-  (pl-mk-trail))
-(pl-mp-test!
-  "atom_number('42', N) -> N=42"
-  (pl-num-val (pl-walk-deep (dict-get pl-mp-env-an1 "N")))
-  42)
-
-(define pl-mp-env-an2 {})
-(pl-solve-once!
-  pl-mp-db
-  (pl-mp-goal "atom_number(A, 7)" pl-mp-env-an2)
-  (pl-mk-trail))
-(pl-mp-test!
-  "atom_number(A, 7) -> A='7'"
-  (pl-atom-name (pl-walk-deep (dict-get pl-mp-env-an2 "A")))
-  "7")
-
-(pl-mp-test!
-  "atom_number(foo, N) fails (not a number)"
-  (pl-solve-once!
-    pl-mp-db
-    (pl-mp-goal "atom_number(foo, N)" {})
-    (pl-mk-trail))
-  false)
-
-;; -- number_string/2 --
-
-(define pl-mp-env-ns1 {})
-(pl-solve-once!
-  pl-mp-db
-  (pl-mp-goal "number_string(42, S)" pl-mp-env-ns1)
-  (pl-mk-trail))
-(pl-mp-test!
-  "number_string(42, S) -> S='42'"
-  (pl-atom-name (pl-walk-deep (dict-get pl-mp-env-ns1 "S")))
-  "42")
-
-(define pl-mp-env-ns2 {})
-(pl-solve-once!
-  pl-mp-db
-  (pl-mp-goal "number_string(N, '3.14')" pl-mp-env-ns2)
-  (pl-mk-trail))
-(pl-mp-test!
-  "number_string(N, '3.14') -> N=3.14"
-  (pl-num-val (pl-walk-deep (dict-get pl-mp-env-ns2 "N")))
-  3.14)
-
-(define pl-meta-predicates-tests-run! (fn () {:failed pl-mp-test-fail :passed pl-mp-test-pass :total pl-mp-test-count :failures pl-mp-test-failures}))

lib/prolog/tests/operators.sx

@@ -1,193 +0,0 @@
-;; lib/prolog/tests/operators.sx — operator-table parsing + comparison built-ins.
-
-(define pl-op-test-count 0)
-(define pl-op-test-pass 0)
-(define pl-op-test-fail 0)
-(define pl-op-test-failures (list))
-
-(define
-  pl-op-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-op-test-count (+ pl-op-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-op-test-pass (+ pl-op-test-pass 1))
-        (begin
-          (set! pl-op-test-fail (+ pl-op-test-fail 1))
-          (append!
-            pl-op-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define pl-op-empty-db (pl-mk-db))
-
-(define
-  pl-op-body
-  (fn (src) (nth (first (pl-parse (str "g :- " src "."))) 2)))
-
-(define pl-op-goal (fn (src env) (pl-instantiate (pl-op-body src) env)))
-
-;; ── parsing tests ──
-
-(pl-op-test!
-  "infix +"
-  (pl-op-body "a + b")
-  (list "compound" "+" (list (list "atom" "a") (list "atom" "b"))))
-
-(pl-op-test!
-  "infix * tighter than +"
-  (pl-op-body "a + b * c")
-  (list
-    "compound"
-    "+"
-    (list
-      (list "atom" "a")
-      (list "compound" "*" (list (list "atom" "b") (list "atom" "c"))))))
-
-(pl-op-test!
-  "parens override precedence"
-  (pl-op-body "(a + b) * c")
-  (list
-    "compound"
-    "*"
-    (list
-      (list "compound" "+" (list (list "atom" "a") (list "atom" "b")))
-      (list "atom" "c"))))
-
-(pl-op-test!
-  "+ is yfx (left-assoc)"
-  (pl-op-body "a + b + c")
-  (list
-    "compound"
-    "+"
-    (list
-      (list "compound" "+" (list (list "atom" "a") (list "atom" "b")))
-      (list "atom" "c"))))
-
-(pl-op-test!
-  "; is xfy (right-assoc)"
-  (pl-op-body "a ; b ; c")
-  (list
-    "compound"
-    ";"
-    (list
-      (list "atom" "a")
-      (list "compound" ";" (list (list "atom" "b") (list "atom" "c"))))))
-
-(pl-op-test!
-  "= folds at 700"
-  (pl-op-body "X = 5")
-  (list "compound" "=" (list (list "var" "X") (list "num" 5))))
-
-(pl-op-test!
-  "is + nests via 700>500>400"
-  (pl-op-body "X is 2 + 3 * 4")
-  (list
-    "compound"
-    "is"
-    (list
-      (list "var" "X")
-      (list
-        "compound"
-        "+"
-        (list
-          (list "num" 2)
-          (list "compound" "*" (list (list "num" 3) (list "num" 4))))))))
-
-(pl-op-test!
-  "< parses at 700"
-  (pl-op-body "2 < 3")
-  (list "compound" "<" (list (list "num" 2) (list "num" 3))))
-
-(pl-op-test!
-  "mod parses as yfx 400"
-  (pl-op-body "10 mod 3")
-  (list "compound" "mod" (list (list "num" 10) (list "num" 3))))
-
-(pl-op-test!
-  "comma in body folds right-assoc"
-  (pl-op-body "a, b, c")
-  (list
-    "compound"
-    ","
-    (list
-      (list "atom" "a")
-      (list "compound" "," (list (list "atom" "b") (list "atom" "c"))))))
-
-;; ── solver tests via infix ──
-
-(pl-op-test!
-  "X is 2 + 3 binds X = 5"
-  (let
-    ((env {}) (trail (pl-mk-trail)))
-    (begin
-      (pl-solve-once! pl-op-empty-db (pl-op-goal "X is 2 + 3" env) trail)
-      (pl-num-val (pl-walk-deep (dict-get env "X")))))
-  5)
-
-(pl-op-test!
-  "infix conjunction parses + solves"
-  (pl-solve-once!
-    pl-op-empty-db
-    (pl-op-goal "X = 5, X = 5" {})
-    (pl-mk-trail))
-  true)
-
-(pl-op-test!
-  "infix mismatch fails"
-  (pl-solve-once!
-    pl-op-empty-db
-    (pl-op-goal "X = 5, X = 6" {})
-    (pl-mk-trail))
-  false)
-
-(pl-op-test!
-  "infix disjunction picks left"
-  (pl-solve-once!
-    pl-op-empty-db
-    (pl-op-goal "true ; fail" {})
-    (pl-mk-trail))
-  true)
-
-(pl-op-test!
-  "2 < 5 succeeds"
-  (pl-solve-once!
-    pl-op-empty-db
-    (pl-op-goal "2 < 5" {})
-    (pl-mk-trail))
-  true)
-
-(pl-op-test!
-  "5 < 2 fails"
-  (pl-solve-once!
-    pl-op-empty-db
-    (pl-op-goal "5 < 2" {})
-    (pl-mk-trail))
-  false)
-
-(pl-op-test!
-  "5 >= 5 succeeds"
-  (pl-solve-once!
-    pl-op-empty-db
-    (pl-op-goal "5 >= 5" {})
-    (pl-mk-trail))
-  true)
-
-(pl-op-test!
-  "3 =< 5 succeeds"
-  (pl-solve-once!
-    pl-op-empty-db
-    (pl-op-goal "3 =< 5" {})
-    (pl-mk-trail))
-  true)
-
-(pl-op-test!
-  "infix < with arithmetic both sides"
-  (pl-solve-once!
-    pl-op-empty-db
-    (pl-op-goal "1 + 2 < 2 * 3" {})
-    (pl-mk-trail))
-  true)
-
-(define pl-operators-tests-run! (fn () {:failed pl-op-test-fail :passed pl-op-test-pass :total pl-op-test-count :failures pl-op-test-failures}))

lib/prolog/tests/programs/append.pl

@@ -1,5 +0,0 @@
-%% append/3 — list concatenation, classic Prolog
-%% Two clauses: empty-prefix base case + recursive cons-prefix.
-%% Bidirectional — works in all modes: build, check, split.
-append([], L, L).
-append([H|T], L, [H|R]) :- append(T, L, R).

lib/prolog/tests/programs/append.sx

@@ -1,114 +0,0 @@
-;; lib/prolog/tests/programs/append.sx — append/3 test runner
-;;
-;; Mirrors the Prolog source in append.pl (embedded as a string here because
-;; the SX runtime has no file-read primitive yet).
-
-(define pl-ap-test-count 0)
-(define pl-ap-test-pass 0)
-(define pl-ap-test-fail 0)
-(define pl-ap-test-failures (list))
-
-(define
-  pl-ap-test!
-  (fn
-    (name got expected)
-    (begin
-      (set! pl-ap-test-count (+ pl-ap-test-count 1))
-      (if
-        (= got expected)
-        (set! pl-ap-test-pass (+ pl-ap-test-pass 1))
-        (begin
-          (set! pl-ap-test-fail (+ pl-ap-test-fail 1))
-          (append!
-            pl-ap-test-failures
-            (str name "\n    expected: " expected "\n    got:      " got)))))))
-
-(define
-  pl-ap-term-to-sx
-  (fn
-    (t)
-    (cond
-      ((pl-num? t) (pl-num-val t))
-      ((pl-atom? t) (pl-atom-name t))
-      (true (list :complex)))))
-
-(define
-  pl-ap-list-walked
-  (fn
-    (w)
-    (cond
-      ((and (pl-atom? w) (= (pl-atom-name w) "[]")) (list))
-      ((and (pl-compound? w) (= (pl-fun w) ".") (= (len (pl-args w)) 2))
-        (cons
-          (pl-ap-term-to-sx (first (pl-args w)))
-          (pl-ap-list-walked (nth (pl-args w) 1))))
-      (true (list :not-list)))))
-
-(define pl-ap-list-to-sx (fn (t) (pl-ap-list-walked (pl-walk-deep t))))
-
-(define
-  pl-ap-goal
-  (fn
-    (src env)
-    (pl-instantiate (nth (first (pl-parse (str "g :- " src "."))) 2) env)))
-
-(define
-  pl-ap-prog-src
-  "append([], L, L). append([H|T], L, [H|R]) :- append(T, L, R).")
-
-(define pl-ap-db (pl-mk-db))
-
-(pl-db-load! pl-ap-db (pl-parse pl-ap-prog-src))
-
-(define pl-ap-env-1 {})
-(define pl-ap-goal-1 (pl-ap-goal "append([], [a, b], X)" pl-ap-env-1))
-(pl-solve-once! pl-ap-db pl-ap-goal-1 (pl-mk-trail))
-
-(pl-ap-test!
-  "append([], [a, b], X) → X = [a, b]"
-  (pl-ap-list-to-sx (dict-get pl-ap-env-1 "X"))
-  (list "a" "b"))
-
-(define pl-ap-env-2 {})
-(define pl-ap-goal-2 (pl-ap-goal "append([1, 2], [3, 4], X)" pl-ap-env-2))
-(pl-solve-once! pl-ap-db pl-ap-goal-2 (pl-mk-trail))
-
-(pl-ap-test!
-  "append([1, 2], [3, 4], X) → X = [1, 2, 3, 4]"
-  (pl-ap-list-to-sx (dict-get pl-ap-env-2 "X"))
-  (list 1 2 3 4))
-
-(pl-ap-test!
-  "append([1], [2, 3], [1, 2, 3]) succeeds"
-  (pl-solve-once!
-    pl-ap-db
-    (pl-ap-goal "append([1], [2, 3], [1, 2, 3])" {})
-    (pl-mk-trail))
-  true)
-
-(pl-ap-test!
-  "append([1, 2], [3], [1, 2, 4]) fails"
-  (pl-solve-once!
-    pl-ap-db
-    (pl-ap-goal "append([1, 2], [3], [1, 2, 4])" {})
-    (pl-mk-trail))
-  false)
-
-(pl-ap-test!
-  "append(X, Y, [1, 2, 3]) backtracks 4 times"
-  (pl-solve-count!
-    pl-ap-db
-    (pl-ap-goal "append(X, Y, [1, 2, 3])" {})
-    (pl-mk-trail))
-  4)
-
-(define pl-ap-env-6 {})
-(define pl-ap-goal-6 (pl-ap-goal "append(X, [3], [1, 2, 3])" pl-ap-env-6))
-(pl-solve-once! pl-ap-db pl-ap-goal-6 (pl-mk-trail))
-
-(pl-ap-test!
-  "append(X, [3], [1, 2, 3]) deduces X = [1, 2]"
-  (pl-ap-list-to-sx (dict-get pl-ap-env-6 "X"))
-  (list 1 2))
-
-(define pl-append-tests-run! (fn () {:failed pl-ap-test-fail :passed pl-ap-test-pass :total pl-ap-test-count :failures pl-ap-test-failures}))

lib/prolog/tests/programs/family.pl

@@ -1,24 +0,0 @@
-%% family — facts + transitive ancestor + derived relations.
-%% Five-generation tree: tom -> bob -> {ann, pat} -> jim, plus tom's
-%% other child liz.
-
-parent(tom, bob).
-parent(tom, liz).
-parent(bob, ann).
-parent(bob, pat).
-parent(pat, jim).
-
-male(tom).
-male(bob).
-male(jim).
-male(pat).
-female(liz).
-female(ann).
-
-father(F, C) :- parent(F, C), male(F).
-mother(M, C) :- parent(M, C), female(M).
-
-ancestor(X, Y) :- parent(X, Y).
-ancestor(X, Y) :- parent(X, Z), ancestor(Z, Y).
-
-sibling(X, Y) :- parent(P, X), parent(P, Y), \=(X, Y).