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ruby: Phase 1 parser (+83 tests, 190 total)
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giles
2026-04-25 18:50:49 +00:00
parent 96019e9fe8
commit 15eb133311
4 changed files with 1295 additions and 17 deletions
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plans/ruby-on-sx.md
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@@ -52,10 +52,10 @@ Core mapping:
### Phase 1 — tokenizer + parser
- [x] Tokenizer: keywords (`def end class module if unless while until do return yield begin rescue ensure case when then else elsif`), identifiers (lowercase = local/method, `@` = ivar, `@@` = cvar, `$` = global, uppercase = constant), numbers (int, float, `0x` `0o` `0b`, `_` separators), strings (`"…"` interpolation, `'…'` literal, `%w[a b c]`, `%i[a b c]`), symbols `:foo` `:"…"`, operators (`+ - * / % ** == != < > <= >= <=> === =~ !~ << >> & | ^ ~ ! && || and or not`), `:: . , ; ( ) [ ] { } -> => |`, comments `#`
- [ ] Parser: program is sequence of statements separated by newlines or `;`; method def `def name(args) … end`; class `class Foo < Bar … end`; module `module M … end`; block `do |a, b| … end` and `{ |a, b| … }`; call sugar (no parens), `obj.method`, `Mod::Const`; arg shapes (positional, default, splat `*args`, double-splat `**opts`, block `&blk`)
- [x] Parser: program is sequence of statements separated by newlines or `;`; method def `def name(args) … end`; class `class Foo < Bar … end`; module `module M … end`; block `do |a, b| … end` and `{ |a, b| … }`; call sugar (no parens), `obj.method`, `Mod::Const`; arg shapes (positional, default, splat `*args`, double-splat `**opts`, block `&blk`)
- [ ] If/while/case expressions (return values), `unless`/`until`, postfix modifiers
- [ ] Begin/rescue/ensure/retry, raise, raise with class+message
- [ ] Unit tests in `lib/ruby/tests/parse.sx`
- [x] Unit tests in `lib/ruby/tests/parse.sx`
### Phase 2 — object model + sequential eval
- [ ] Class table bootstrap: `BasicObject`, `Object`, `Kernel`, `Module`, `Class`, `Numeric`, `Integer`, `Float`, `String`, `Symbol`, `Array`, `Hash`, `Range`, `NilClass`, `TrueClass`, `FalseClass`, `Proc`, `Method`
@@ -117,6 +117,7 @@ Core mapping:
_Newest first._
- 2026-04-25: Phase 1 parser complete — `lib/ruby/parser.sx` (rb-parse/rb-parse-str) + `lib/ruby/tests/parse.sx` (83/83 tests). Program, method-def (all param shapes), class/module/sclass, blocks (do/brace), method calls (parens + no-parens + chains), const-path, assignment (=, op=, massign), binary/unary ops with precedence, array/hash literals, return/yield/break/next/redo/raise, indexing.
- 2026-04-25: Phase 1 tokenizer complete — `lib/ruby/tokenizer.sx` + `lib/ruby/tests/tokenizer.sx` (107/107 tests). Keywords, identifiers (@ivar @@cvar $gvar), numbers (dec/hex/octal/binary/float), strings (dq with interpolation kept raw, sq), symbols, %w/%i literals, operators (all compound forms), punctuation, comments, line/col tracking.
## Blockers