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Merge a7eff029cd into 6739742fb6

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Kyuhwan Lee 2026-01-20 23:16:47 -05:00 • committed by GitHub
commit d9ab43ab13
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1 changed files with 16 additions and 2 deletions
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18
lib/binding_web/src/language.ts
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@ -1,7 +1,7 @@
import { C, INTERNAL, Internal, assertInternal, SIZE_OF_INT, SIZE_OF_SHORT } from './constants';
import { LookaheadIterator } from './lookahead_iterator';
import { unmarshalLanguageMetadata } from './marshal';
import { TRANSFER_BUFFER } from './parser';
import { TRANSFER_BUFFER, LANGUAGE_VERSION, MIN_COMPATIBLE_VERSION } from './parser';
const LANGUAGE_FUNCTION_REGEX = /^tree_sitter_\w+$/;
@ -226,6 +226,8 @@ export class Language {
/**
* Load a language from a WebAssembly module.
* The module can be provided as a path to a file or as a buffer.
*
* @throws {RangeError} If the Wasm file was built with an incompatible version of tree-sitter-cli.
*/
static async load(input: string | Uint8Array): Promise<Language> {
let binary: Uint8Array | WebAssembly.Module;
@ -263,6 +265,18 @@ export class Language {
throw new Error('Language.load failed: no language function found in Wasm file');
}
const languageAddress = mod[functionName]();
return new Language(INTERNAL, languageAddress);
const language = new Language(INTERNAL, languageAddress);
// Early version compatibility check
const version = language.abiVersion;
if (version < MIN_COMPATIBLE_VERSION || LANGUAGE_VERSION < version) {
throw new RangeError(
`Incompatible language version ${version}. ` +
`Compatibility range ${MIN_COMPATIBLE_VERSION} through ${LANGUAGE_VERSION}. ` +
`The Wasm file may have been built with an incompatible version of tree-sitter-cli. `
);
}
return language;
}
}