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98 lines (94 loc) · 5.08 KB
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//! Grammar registry: codegraph `Language` string → native tree-sitter grammar.
//!
//! Mirrors the wasm side's `WASM_GRAMMAR_FILES` mapping (src/extraction/
//! grammars.ts): `tsx` and `jsx` reuse another language's grammar exactly the
//! way the wasm map does. The kernel-grammar-parity test asserts each entry is
//! built from the SAME grammar revision as the vendored wasm — bump the crate
//! and the wasm together.
//!
//! (R1 shipped a generic `.scm`-query emitter here; R2 replaced it with the
//! bespoke per-language walker — see tsjs/ and the migration plan §3a — because
//! extraction parity needs logic queries can't express. New languages add a
//! grammar entry + a walker module.)
use tree_sitter::Language;
// Vendored kotlin grammar (build.rs-compiled C — no usable crate exists;
// see grammars/kotlin and the kotlin checklist §Grammar prep).
extern "C" {
fn tree_sitter_kotlin() -> *const ();
}
// Vendored lua grammar (build.rs-compiled C — the wasm's v0.4.1 revision is
// not on crates.io; see grammars/lua and the lua-luau checklist).
extern "C" {
fn tree_sitter_lua() -> *const ();
}
// Vendored scala grammar (build.rs-compiled C — the wasm is master@0aca5d0a6f,
// 30 states past the v0.26.0 crate; see grammars/scala and the scala checklist).
extern "C" {
fn tree_sitter_scala() -> *const ();
}
// Vendored dart grammar (build.rs-compiled C — UserNobody14 d4d8f3e; the
// crates.io crate is a different-lineage fork; see grammars/dart).
extern "C" {
fn tree_sitter_dart() -> *const ();
}
/// Languages this kernel binary can extract (reported by contractInfo;
/// TS-side routing policy decides what actually routes).
pub const LANGUAGES: [&str; 20] = [
"typescript", "tsx", "javascript", "jsx", "java", "python", "go", "c", "cpp", "rust",
"csharp", "ruby", "php", "swift", "kotlin", "r", "lua", "luau", "scala", "dart",
];
pub fn grammar_for(language: &str) -> Option<Language> {
match language {
"typescript" => Some(tree_sitter_typescript::LANGUAGE_TYPESCRIPT.into()),
"tsx" => Some(tree_sitter_typescript::LANGUAGE_TSX.into()),
"javascript" | "jsx" => Some(tree_sitter_javascript::LANGUAGE.into()),
"java" => Some(tree_sitter_java::LANGUAGE.into()),
"python" => Some(tree_sitter_python::LANGUAGE.into()),
"go" => Some(tree_sitter_go::LANGUAGE.into()),
// `.metal`/`.cu`/`.cuh` map to language 'cpp' at detectLanguage, so the
// dialects ride this grammar too (their blanking pre-passes stay
// TS-side — the route point applies preParse before the kernel call).
"c" => Some(tree_sitter_c::LANGUAGE.into()),
"cpp" => Some(tree_sitter_cpp::LANGUAGE.into()),
// R7b: v0.24.2, sha-matched with the vendored wasm (grammars.ts).
"rust" => Some(tree_sitter_rust::LANGUAGE.into()),
// R7b: 0.23.5, table-identical to the vendored ABI-15 wasm (#717;
// verified against the crates.io tarball — csharp checklist header).
"csharp" => Some(tree_sitter_c_sharp::LANGUAGE.into()),
// R7b: v0.23.1, sha-matched with the vendored wasm (grammars.ts).
// Content bump only — the tag's parser.c is still ABI 14.
"ruby" => Some(tree_sitter_ruby::LANGUAGE.into()),
// R7b: v0.24.2, the full HTML-interleaving variant — LANGUAGE_PHP,
// NEVER LANGUAGE_PHP_ONLY (which errors on leading HTML).
"php" => Some(tree_sitter_php::LANGUAGE_PHP.into()),
// R7b: crate 0.7.3 — the vendored wasm is built from this crate's own
// tarball src/ (table identity by construction; see grammars.ts).
"swift" => Some(tree_sitter_swift::LANGUAGE.into()),
// R7b: fwcd 0.3.8, vendored C compiled in build.rs (crate unusable).
"kotlin" => {
Some(unsafe { tree_sitter_language::LanguageFn::from_raw(tree_sitter_kotlin) }.into())
}
// R7b batch 4: crate =1.2.0, sha-identical to the r-lib v1.2.0 tag
// the vendored wasm was built from (r checklist §Grammar prep).
"r" => Some(tree_sitter_r::LANGUAGE.into()),
// R7b batch 4: v0.4.1 vendored C compiled in build.rs (revision not
// on crates.io — the wasm is the v0.4.1 tag, table-identical).
"lua" => {
Some(unsafe { tree_sitter_language::LanguageFn::from_raw(tree_sitter_lua) }.into())
}
// R7b batch 4: crate =1.2.0, sha-identical to the v1.2.0 tag the
// vendored wasm was built from (lua-luau checklist §Grammar prep).
"luau" => Some(tree_sitter_luau::LANGUAGE.into()),
// R7b batch 4: master@0aca5d0a6f vendored C compiled in build.rs (the
// revision is not a release — crate 0.26.0 is 30 states behind).
"scala" => {
Some(unsafe { tree_sitter_language::LanguageFn::from_raw(tree_sitter_scala) }.into())
}
// R7b batch 4: UserNobody14 d4d8f3e vendored C compiled in build.rs
// (same commit as the byte-copied tree-sitter-wasms 0.1.13 artifact).
"dart" => {
Some(unsafe { tree_sitter_language::LanguageFn::from_raw(tree_sitter_dart) }.into())
}
_ => None,
}
}