{"entries":[{"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-22T09:37:52.000000+01:00"},"committer":{"email":"did:plc:wshs7t2adsemcrrd4snkeqli","name":"Tangled","when":"2026-03-22T08:42:38.000000Z"},"hash":"4b4f554ac3dd278a6637adb6fe6d4f90eeeeabef","message":"Implement JS parser: AST and expression/statement parsing\n\nAdd a recursive-descent JavaScript parser with Pratt expression parsing\nfor ECMAScript 2024. Transforms the token stream from the lexer into an\nAbstract Syntax Tree.\n\nAST node types cover:\n- All expression types (literals, binary, unary, assignment, member access,\n call, new, arrow functions, template literals, spread, yield, await)\n- All statement types (if, for/for-in/for-of, while, do-while, switch,\n try/catch/finally, return, throw, break, continue, labeled, with)\n- Variable declarations (var/let/const) with destructuring patterns\n- Function declarations (sync, async, generators)\n- Class declarations (constructor, methods, getters/setters, static)\n- Import/export declarations (default, named, namespace, re-export)\n\nFeatures:\n- Operator precedence via Pratt parsing with binding power table\n- Automatic Semicolon Insertion (ASI) using lexer newline tracking\n- Arrow function detection with expression-to-pattern reinterpretation\n- Destructuring patterns (array, object, default values, rest)\n- for-in/for-of disambiguation with allow_in flag\n- 73 unit tests covering all grammar productions and error cases\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"62b545f79a6dc463b500ac6080e89fcf9c87c984"},"mode":"0100644","name":"ast.rs","size":12022},{"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-26T21:18:40.000000+01:00"},"committer":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-26T21:18:40.000000+01:00"},"hash":"ab9ad039e125e4bd2c29e3f00139d5c45db65f6d","message":"Implement Console API: console.log, console.error, console.warn\n\nAdd the Console API as built-in JS globals (Phase 11, issue 1 of 8).\n\n- ConsoleOutput trait with configurable output sink (default: stdout/stderr)\n- console.log/info/debug write to the log channel\n- console.error writes to the error channel\n- console.warn writes to the warn channel\n- Rich formatting: arrays show contents, objects show properties\n- Cycle detection and depth limiting for nested structures\n- Vm::set_console_output() for redirecting output (dev tools, testing)\n- 14 tests covering all methods, formatting, and channel routing\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"d514f8aaea14f493f42894c9ce19c674e97bb433"},"mode":"0100644","name":"builtins.rs","size":237448},{"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-22T18:30:35.000000+01:00"},"committer":{"email":"did:plc:wshs7t2adsemcrrd4snkeqli","name":"Tangled","when":"2026-03-26T19:50:40.000000Z"},"hash":"09ea62949f7825b2783f80f90680a77972753443","message":"Implement JS async functions and await\n\nAdd async/await support to the JavaScript engine:\n\n- Add `Await` opcode (0x82) to bytecode format\n- Add `is_async` flag to bytecode Function struct\n- Compile async function declarations, expressions, arrows, and methods\n- Compile `await expr` to emit Await opcode\n- Parse `for await...of` syntax\n- VM creates internal generator for async functions, driven by promises\n- Await suspends generator and sets up promise reactions for resume\n- Rejected await throws into generator (preserving try/catch)\n- Save/restore exception handlers across yield/await suspension points\n- Async generators return async iterator wrappers\n- 16 unit tests covering all async patterns\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"ff89e128d160fcdc0305e110a97398e19a75ae5a"},"mode":"0100644","name":"bytecode.rs","size":39368},{"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-22T18:30:35.000000+01:00"},"committer":{"email":"did:plc:wshs7t2adsemcrrd4snkeqli","name":"Tangled","when":"2026-03-26T19:50:40.000000Z"},"hash":"09ea62949f7825b2783f80f90680a77972753443","message":"Implement JS async functions and await\n\nAdd async/await support to the JavaScript engine:\n\n- Add `Await` opcode (0x82) to bytecode format\n- Add `is_async` flag to bytecode Function struct\n- Compile async function declarations, expressions, arrows, and methods\n- Compile `await expr` to emit Await opcode\n- Parse `for await...of` syntax\n- VM creates internal generator for async functions, driven by promises\n- Await suspends generator and sets up promise reactions for resume\n- Rejected await throws into generator (preserving try/catch)\n- Save/restore exception handlers across yield/await suspension points\n- Async generators return async iterator wrappers\n- 16 unit tests covering all async patterns\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"ff89e128d160fcdc0305e110a97398e19a75ae5a"},"mode":"0100644","name":"compiler.rs","size":125234},{"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-22T10:45:59.000000+01:00"},"committer":{"email":"did:plc:wshs7t2adsemcrrd4snkeqli","name":"Tangled","when":"2026-03-22T09:48:52.000000Z"},"hash":"38791b59cf6e8cdb061343c3c3e92a15bf85981a","message":"Implement tri-color mark-and-sweep garbage collector for JS engine\n\nAdd a generic GC module (gc.rs) with tri-color marking (white/gray/black),\nheap allocation via Vec with free-list reuse, and stop-the-world collection\ntriggered when live object count exceeds a configurable threshold.\n\nRefactor VM to use GcRef handles for heap objects (plain objects and\nfunctions) instead of owned values. This gives correct JS reference\nsemantics — object assignment shares identity rather than deep-cloning.\nThe GC traces through object properties and prototype chains to find all\nreachable objects, and correctly collects cycles.\n\nKey changes:\n- gc.rs: Generic Gc with alloc/get/collect, HeapSlot with\n color metadata, mark phase with gray stack, sweep with free-list\n- vm.rs: Value::Object(GcRef) and Value::Function(GcRef) replace owned\n data; VM allocates through self.gc and triggers collection after\n allocations; root collection scans registers and globals\n- lib.rs: evaluate() uses to_js_string(&gc) for GC-aware string conversion\n\n8 new GC tests (alloc, collect, transitive reachability, cycle collection,\nfree-list reuse, threshold, stress) plus 3 integration tests. All 226\nexisting tests continue to pass.\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"25b2bb0befcc0694cde5bddaa48b48be6201b3e4"},"mode":"0100644","name":"gc.rs","size":11688},{"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-22T14:41:06.000000+01:00"},"committer":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-22T14:45:45.000000+01:00"},"hash":"b4c18278bc14048c6cf7de9d9f3a1b6f88916d81","message":"Fix String.prototype.search lastIndex handling and remove unimplemented regex flags\n\n- search() now saves/restores lastIndex so global/sticky regexps\n always search from position 0 per the ES spec\n- Remove 'v' (UnicodeSets) and 'd' (HasIndices) from lexer's accepted\n regex flags since they're not implemented in the regex engine\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"71d085ba9e20bab720dd813db41976426deffa18"},"mode":"0100644","name":"lexer.rs","size":65327},{"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-22T14:36:00.000000+01:00"},"committer":{"email":"did:plc:wshs7t2adsemcrrd4snkeqli","name":"Tangled","when":"2026-03-22T13:41:18.000000Z"},"hash":"302c2cddbe1b2e4a2b280ca452b718471b664114","message":"Implement JS built-in RegExp engine\n\nAdd a from-scratch regex engine and wire it into the JS runtime:\n\n- regex.rs: Pattern parser (character classes, quantifiers, anchors,\n groups, alternation, backreferences, lookahead, escape sequences)\n and backtracking matcher with proper continuation-based sequence\n matching for greedy/lazy quantifiers.\n\n- RegExp constructor and prototype methods (test, exec, toString)\n with support for g/i/m/s/u/y flags, lastIndex tracking, and\n named capture groups.\n\n- Compiler emits RegExp(pattern, flags) calls for regex literals.\n\n- String.prototype gains match, matchAll, search methods; replace,\n replaceAll, split updated to handle RegExp arguments with capture\n group substitution ($1, $&, etc.).\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"272f3d3425872b734fc2564c9e2808c116c004af"},"mode":"0100644","name":"lib.rs","size":3019},{"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-22T18:30:35.000000+01:00"},"committer":{"email":"did:plc:wshs7t2adsemcrrd4snkeqli","name":"Tangled","when":"2026-03-26T19:50:40.000000Z"},"hash":"09ea62949f7825b2783f80f90680a77972753443","message":"Implement JS async functions and await\n\nAdd async/await support to the JavaScript engine:\n\n- Add `Await` opcode (0x82) to bytecode format\n- Add `is_async` flag to bytecode Function struct\n- Compile async function declarations, expressions, arrows, and methods\n- Compile `await expr` to emit Await opcode\n- Parse `for await...of` syntax\n- VM creates internal generator for async functions, driven by promises\n- Await suspends generator and sets up promise reactions for resume\n- Rejected await throws into generator (preserving try/catch)\n- Save/restore exception handlers across yield/await suspension points\n- Async generators return async iterator wrappers\n- 16 unit tests covering all async patterns\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"ff89e128d160fcdc0305e110a97398e19a75ae5a"},"mode":"0100644","name":"parser.rs","size":125697},{"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-22T14:45:04.000000+01:00"},"committer":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-22T14:45:45.000000+01:00"},"hash":"e796770e7a630c924aeec8aa201def878e8906d4","message":"Fix Dot matching to use is_line_terminator for all ECMAScript line terminators\n\nThe Dot (.) without the s flag should not match U+2028 (LINE SEPARATOR)\nand U+2029 (PARAGRAPH SEPARATOR) per the ECMAScript spec, not just \\n\nand \\r. Use the existing is_line_terminator helper for consistency.\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"1ac0340b1a17ff803b533b12798625699e21117c"},"mode":"0100644","name":"regex.rs","size":44394},{"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-26T21:18:40.000000+01:00"},"committer":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-26T21:18:40.000000+01:00"},"hash":"ab9ad039e125e4bd2c29e3f00139d5c45db65f6d","message":"Implement Console API: console.log, console.error, console.warn\n\nAdd the Console API as built-in JS globals (Phase 11, issue 1 of 8).\n\n- ConsoleOutput trait with configurable output sink (default: stdout/stderr)\n- console.log/info/debug write to the log channel\n- console.error writes to the error channel\n- console.warn writes to the warn channel\n- Rich formatting: arrays show contents, objects show properties\n- Cycle detection and depth limiting for nested structures\n- Vm::set_console_output() for redirecting output (dev tools, testing)\n- 14 tests covering all methods, formatting, and channel routing\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"d514f8aaea14f493f42894c9ce19c674e97bb433"},"mode":"0100644","name":"vm.rs","size":285566}],"lastCommit":{"author":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-26T21:18:40.000000+01:00"},"committer":{"email":"hello@pierrelf.com","name":"Pierre Le Fevre","when":"2026-03-26T21:18:40.000000+01:00"},"hash":"ab9ad039e125e4bd2c29e3f00139d5c45db65f6d","message":"Implement Console API: console.log, console.error, console.warn\n\nAdd the Console API as built-in JS globals (Phase 11, issue 1 of 8).\n\n- ConsoleOutput trait with configurable output sink (default: stdout/stderr)\n- console.log/info/debug write to the log channel\n- console.error writes to the error channel\n- console.warn writes to the warn channel\n- Rich formatting: arrays show contents, objects show properties\n- Cycle detection and depth limiting for nested structures\n- Vm::set_console_output() for redirecting output (dev tools, testing)\n- 14 tests covering all methods, formatting, and channel routing\n\nCo-Authored-By: Claude Opus 4.6 (1M context) \n","tree":"d514f8aaea14f493f42894c9ce19c674e97bb433"}}