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Author	SHA1	Message	Date
giles	770c7fd821	Step 18 (part 7): Extensions — render components + SX escape Two hyperscript extensions beyond stock: render ~component :key val [into\|before\|after target] Tokenizer: ~ + ident → component token type Parser: render command with kwargs and optional position Compiler: emits (render-to-html ~comp :key val) or (hs-put! (render-to-html ...) pos target) Bridges hyperscript flow to SX component rendering eval (sx-expression) — SX escape hatch Inside eval (...), content is SX syntax (not hyperscript) Parser: collect-sx-source extracts balanced parens from raw source Compiler: sx-parse at compile time, inlines AST directly Result: SX runs in handler scope — hyperscript variables visible! Also supports string form: eval '(+ 1 2)' for backward compat set name to "Giles" set greeting to eval (str "Hello " name) -- name is visible! 16 new tests (parser + compiler + integration). 3127/3127 full build, zero regressions. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-04-06 09:10:28 +00:00
giles	c5d2fa8c96	Step 18 (part 4): _hyperscript compiler — AST → SX expressions lib/hyperscript/compiler.sx — transforms parsed hyperscript AST into SX expressions targeting web/lib/dom.sx primitives. Two entry points: hs-to-sx — AST node → SX expression hs-to-sx-from-source — source string → SX (tokenize+parse+emit) Compiler handles: Expressions: me/it/event, refs, queries, attrs, styles, locals, arithmetic, comparison, boolean, array literals, property access, DOM traversal (closest/next/previous/first/last), type conversion, membership test, exists/empty/matches/contains predicates Commands: add/remove/toggle class, set (var/attr/style/prop dispatch), put, if/else, do, wait, wait-for, log, send, trigger, hide, show, transition, repeat, fetch, call, return, throw, settle, go, append, tell (rebinds me), for, take, make, install, measure, inc/dec Features: on (with from/filter/every), init, def, behavior Maps to SX primitives: dom-add-class, dom-set-attr, dom-set-style, dom-set-prop, dom-query, dom-closest, dom-dispatch, dom-append, etc. 33 compiler tests across 10 suites. 3076/3076 full build, zero regressions. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-04-06 08:31:32 +00:00

Author

SHA1

Message

Date

giles

770c7fd821

Step 18 (part 7): Extensions — render components + SX escape

Two hyperscript extensions beyond stock:

render ~component :key val [into|before|after target]
  Tokenizer: ~ + ident → component token type
  Parser: render command with kwargs and optional position
  Compiler: emits (render-to-html ~comp :key val) or
            (hs-put! (render-to-html ...) pos target)
  Bridges hyperscript flow to SX component rendering

eval (sx-expression) — SX escape hatch
  Inside eval (...), content is SX syntax (not hyperscript)
  Parser: collect-sx-source extracts balanced parens from raw source
  Compiler: sx-parse at compile time, inlines AST directly
  Result: SX runs in handler scope — hyperscript variables visible!
  Also supports string form: eval '(+ 1 2)' for backward compat

  set name to "Giles"
  set greeting to eval (str "Hello " name)  -- name is visible!

16 new tests (parser + compiler + integration).
3127/3127 full build, zero regressions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-06 09:10:28 +00:00

giles

c5d2fa8c96

Step 18 (part 4): _hyperscript compiler — AST → SX expressions

lib/hyperscript/compiler.sx — transforms parsed hyperscript AST into
SX expressions targeting web/lib/dom.sx primitives. Two entry points:
  hs-to-sx    — AST node → SX expression
  hs-to-sx-from-source — source string → SX (tokenize+parse+emit)

Compiler handles:
  Expressions: me/it/event, refs, queries, attrs, styles, locals,
    arithmetic, comparison, boolean, array literals, property access,
    DOM traversal (closest/next/previous/first/last), type conversion,
    membership test, exists/empty/matches/contains predicates
  Commands: add/remove/toggle class, set (var/attr/style/prop dispatch),
    put, if/else, do, wait, wait-for, log, send, trigger, hide, show,
    transition, repeat, fetch, call, return, throw, settle, go, append,
    tell (rebinds me), for, take, make, install, measure, inc/dec
  Features: on (with from/filter/every), init, def, behavior

Maps to SX primitives: dom-add-class, dom-set-attr, dom-set-style,
dom-set-prop, dom-query, dom-closest, dom-dispatch, dom-append, etc.

33 compiler tests across 10 suites. 3076/3076 full build, zero regressions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-06 08:31:32 +00:00

2 Commits