js-on-sx: Function constructor compiles + evaluates JS source
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Was unconditionally throwing "Function constructor not supported".
Now js-function-ctor joins param strings with commas, wraps the
body in (function(<params>){<body>}), and runs it through js-eval.
Now Function('a', 'b', 'return a + b')(3,4) === 7.
built-ins/Function: 0/14 → 4/14. conformance.sh: 148/148.
This commit is contained in:
@@ -23,7 +23,58 @@
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;; ── Boolean coercion (ToBoolean) ──────────────────────────────────
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(define js-function-global {:__callable__ (fn (&rest args) (error "TypeError: Function constructor not supported")) :prototype {:call (fn (&rest args) :js-undefined) :length 0 :bind (fn (&rest args) (fn () :js-undefined)) :toString (fn () "function () { [native code] }") :apply (fn (&rest args) :js-undefined) :name ""}})
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(define js-function-global {:__callable__ (fn (&rest args) (js-function-ctor args)) :prototype {:call (fn (&rest args) :js-undefined) :length 0 :bind (fn (&rest args) (fn () :js-undefined)) :toString (fn () "function () { [native code] }") :apply (fn (&rest args) :js-undefined) :name ""}})
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(define
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js-function-ctor
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(fn
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(args)
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(cond
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((empty? args) (js-eval "(function(){})"))
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(else
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(let
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((all-strs (js-fn-args-to-strs args))
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(n (len args)))
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(let
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((param-strs (js-fn-take-init all-strs))
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(body-str (js-fn-take-last all-strs)))
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(js-eval
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(str "(function(" (js-fn-join-commas param-strs) "){" body-str "})"))))))))
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(define
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js-fn-args-to-strs
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(fn
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(args)
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(cond
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((empty? args) (list))
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(else (cons (js-to-string (first args)) (js-fn-args-to-strs (rest args)))))))
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(define
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js-fn-take-init
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(fn
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(lst)
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(cond
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((empty? lst) (list))
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((empty? (rest lst)) (list))
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(else (cons (first lst) (js-fn-take-init (rest lst)))))))
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(define
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js-fn-take-last
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(fn
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(lst)
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(cond
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((empty? lst) "")
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((empty? (rest lst)) (first lst))
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(else (js-fn-take-last (rest lst))))))
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(define
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js-fn-join-commas
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(fn
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(lst)
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(cond
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((empty? lst) "")
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((empty? (rest lst)) (first lst))
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(else (str (first lst) "," (js-fn-join-commas (rest lst)))))))
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;; ── Numeric coercion (ToNumber) ───────────────────────────────────
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@@ -1,61 +1,53 @@
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{
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"totals": {
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"pass": 23,
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"fail": 21,
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"skip": 5,
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"timeout": 1,
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"total": 50,
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"runnable": 45,
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"pass_rate": 51.1
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"pass": 4,
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"fail": 10,
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"skip": 16,
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"timeout": 0,
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"total": 30,
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"runnable": 14,
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"pass_rate": 28.6
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},
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"categories": [
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{
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"category": "built-ins/Array",
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"total": 50,
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"pass": 23,
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"fail": 21,
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"skip": 5,
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"timeout": 1,
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"pass_rate": 51.1,
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"category": "built-ins/Function",
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"total": 30,
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"pass": 4,
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"fail": 10,
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"skip": 16,
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"timeout": 0,
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"pass_rate": 28.6,
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"top_failures": [
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[
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"Test262Error (assertion failed)",
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18
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"SyntaxError (parse/unsupported syntax)",
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4
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],
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[
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"TypeError: not a function",
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2
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"ReferenceError (undefined symbol)",
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3
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],
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[
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"Timeout",
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1
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],
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[
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"Unhandled: Not callable: {:2 43 :1 42 :0 41 :length 3}\\",
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1
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"TypeError (other)",
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3
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]
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]
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}
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],
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"top_failure_modes": [
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[
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"Test262Error (assertion failed)",
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18
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"SyntaxError (parse/unsupported syntax)",
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4
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],
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[
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"TypeError: not a function",
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2
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"ReferenceError (undefined symbol)",
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3
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],
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[
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"Timeout",
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1
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],
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[
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"Unhandled: Not callable: {:2 43 :1 42 :0 41 :length 3}\\",
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1
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"TypeError (other)",
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3
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]
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],
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"pinned_commit": "d5e73fc8d2c663554fb72e2380a8c2bc1a318a33",
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"elapsed_seconds": 141.9,
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"elapsed_seconds": 11.2,
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"workers": 1
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}
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@@ -1,28 +1,26 @@
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# test262 scoreboard
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Pinned commit: `d5e73fc8d2c663554fb72e2380a8c2bc1a318a33`
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Wall time: 141.9s
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Wall time: 11.2s
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**Total:** 23/45 runnable passed (51.1%). Raw: pass=23 fail=21 skip=5 timeout=1 total=50.
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**Total:** 4/14 runnable passed (28.6%). Raw: pass=4 fail=10 skip=16 timeout=0 total=30.
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## Top failure modes
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- **18x** Test262Error (assertion failed)
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- **2x** TypeError: not a function
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- **1x** Timeout
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- **1x** Unhandled: Not callable: {:2 43 :1 42 :0 41 :length 3}\
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- **4x** SyntaxError (parse/unsupported syntax)
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- **3x** ReferenceError (undefined symbol)
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- **3x** TypeError (other)
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## Categories (worst pass-rate first, min 10 runnable)
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| Category | Pass | Fail | Skip | Timeout | Total | Pass % |
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|---|---:|---:|---:|---:|---:|---:|
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| built-ins/Array | 23 | 21 | 5 | 1 | 50 | 51.1% |
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| built-ins/Function | 4 | 10 | 16 | 0 | 30 | 28.6% |
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## Per-category top failures (min 10 runnable, worst first)
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### built-ins/Array (23/45 — 51.1%)
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### built-ins/Function (4/14 — 28.6%)
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- **18x** Test262Error (assertion failed)
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- **2x** TypeError: not a function
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- **1x** Timeout
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- **1x** Unhandled: Not callable: {:2 43 :1 42 :0 41 :length 3}\
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- **4x** SyntaxError (parse/unsupported syntax)
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- **3x** ReferenceError (undefined symbol)
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- **3x** TypeError (other)
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