Files
infocom-systems-design/node_modules/langium/lib/lsp/implementation-provider.js
2025-10-03 22:27:28 +03:00

27 lines
1.4 KiB
JavaScript

/******************************************************************************
* Copyright 2022 TypeFox GmbH
* This program and the accompanying materials are made available under the
* terms of the MIT License, which is available in the project root.
******************************************************************************/
import { CancellationToken } from '../utils/cancellation.js';
import { findDeclarationNodeAtOffset } from '../utils/cst-utils.js';
export class AbstractGoToImplementationProvider {
constructor(services) {
this.references = services.references.References;
this.grammarConfig = services.parser.GrammarConfig;
}
getImplementation(document, params, cancelToken = CancellationToken.None) {
const rootNode = document.parseResult.value;
if (rootNode.$cstNode) {
const sourceCstNode = findDeclarationNodeAtOffset(rootNode.$cstNode, document.textDocument.offsetAt(params.position), this.grammarConfig.nameRegexp);
if (sourceCstNode) {
const nodeDeclaration = this.references.findDeclaration(sourceCstNode);
if (nodeDeclaration) {
return this.collectGoToImplementationLocationLinks(nodeDeclaration, cancelToken);
}
}
}
return undefined;
}
}
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