chunk 2/13: parser LANGUAGES descriptor (single source of truth)#2
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LANGUAGES declares id/displayName/extensions/grammarPackage/callGraph/ highlightId/load per language in one place, replacing the ~7 hand-synced sites that drift today. callGraph is designed once here (ts semantic, python heuristic, cpp/rust/r none) and consumed later by getSupport and python-callgraph. highlightOverrides preserves the per-extension .js/.jsx->javascript vs .ts/.tsx->typescript split. Pure additive — no consumer imports it yet; the registry/config/scan migrations follow. Implements: 1-package-hardening/PH-D-01 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Fixes the toggle-noop: a source file whose grammar is not installed rendered a live "watch" dot (static isSupportedFile) that silently did nothing on click (runtime registry returns null). getSupport reconciles static vs runtime and reads installHint/callGraph from the LANGUAGES descriptor. worktree bakes parsable/needsGrammar/installHint/callGraph into ITreeNode + browser FileNode; the renderer adds a muted needs-grammar marker (not a toggle) with an "Install <pkg>" hint, leaving the existing toggle path byte-identical. callGraph now rides per-file into the vis payload for python-callgraph's badge. Implements: 1-package-hardening/PH-04 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Replace the bespoke TypeScript block and four copy-paste tryRegisterOptional blocks with one data-driven loop over LANGUAGES: no-grammar entries register eagerly via descriptor.load(); grammar-backed entries go through the missing/active try/catch (MODULE_NOT_FOUND -> missing). Adding a language no longer edits registry.ts. Active/missing summary output and duplicate guards preserved. Implements: 1-package-hardening/PH-D-02 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
… drop .dart ALL_SUPPORTED_EXTENSIONS = LANGUAGES.flatMap(extensions); getLanguageFromPath looks up the descriptor (highlightOverrides[ext] ?? highlightId, default 'code', case-insensitive). Deletes the four eager adapter imports (config-load no longer pulls the adapter tree) and the .dart->'dart' ghost (no Dart adapter). The .js/.jsx->javascript vs .ts/.tsx->typescript split is preserved via the typescript descriptor's highlightOverrides. Implements: 1-package-hardening/PH-D-03 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Build the ext->grammar-package hint map from LANGUAGES.filter(grammarPackage) instead of a fourth hand-maintained map. cpp extension coverage audited (all of .c/.h/.cpp/.hpp/.cc/.cxx/.hxx present). C/C++ family display collapsing (CPP_FAMILY_EXTS, formatUnsupportedSourceHints) left hand-owned. The .r hint collapses to the single descriptor package @davisvaughan/tree-sitter-r. Implements: 1-package-hardening/PH-D-04 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…_FOLDERS The explorer kept a divergent ALWAYS_IGNORED set that omitted venvs/target/dist/ build/.arch, so the tree rendered large vendored trees the scanner skips (clickable dead files + walk cost). worktree.ts now consumes IGNORED_FOLDERS as the single source; .DS_Store (a file name, matched per-entry) and .llmem (the centralized root, one folder name ignores the whole tree) are folded into the shared set. Drops the now-stale worktree.ts row from the .artifacts allowlist (the literal moved to config.ts, already allowlisted). Implements: 1-package-hardening/PH-07 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
scripts/check-langs.ts asserts package.json optional grammar peerDeps == LANGUAGES grammar packages (bidirectional) and that the README languages table mentions each language + grammar package; wired into CI. README gains a descriptor-mirrored Languages table + node-gyp/optional-grammar toolchain note. ADDING_LANGUAGES.md / LANGUAGE_ROADMAP.md rewritten to the single-descriptor flow (one LANGUAGES entry + adapter + peerDep), dropping the stale getLanguageFromPath/registry/config edit steps. Docs honestly mark Python import-only (heuristic call graph not wired until the python-callgraph plan). Implements: 1-package-hardening/PH-D-05 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Chunk 2/13. Introduces src/parser/languages.ts as the single source of truth and drives ParserRegistry, config.ts ext/highlight maps, install hints, and webview ignore lists from it; adds registry.getSupport() 3-state affordance and the check:langs parity gate.
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