First commit.

Signed-off-by: Chen Xiao <abigwc@gmail.com>
2026-05-08 14:43:16 +08:00
commit 0b64e2de94
10989 changed files with 2253791 additions and 0 deletions
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+/******************************************************************************
+ * 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 { LocationLink, Range } from 'vscode-languageserver';
+import { DefaultDefinitionProvider } from '../../lsp/index.js';
+import { streamContents } from '../../utils/ast-utils.js';
+import { findAssignment } from '../../utils/grammar-utils.js';
+import { isGrammarImport } from '../../languages/generated/ast.js';
+import { resolveImport } from '../internal-grammar-util.js';
+export class LangiumGrammarDefinitionProvider extends DefaultDefinitionProvider {
+    constructor(services) {
+        super(services);
+        this.documents = services.shared.workspace.LangiumDocuments;
+    }
+    collectLocationLinks(sourceCstNode, _params) {
+        const pathFeature = 'path';
+        if (isGrammarImport(sourceCstNode.astNode) && findAssignment(sourceCstNode)?.feature === pathFeature) {
+            const importedGrammar = resolveImport(this.documents, sourceCstNode.astNode);
+            if (importedGrammar?.$document) {
+                const targetObject = this.findTargetObject(importedGrammar) ?? importedGrammar;
+                const selectionRange = this.nameProvider.getNameNode(targetObject)?.range ?? Range.create(0, 0, 0, 0);
+                const previewRange = targetObject.$cstNode?.range ?? Range.create(0, 0, 0, 0);
+                return [
+                    LocationLink.create(importedGrammar.$document.uri.toString(), previewRange, selectionRange, sourceCstNode.range)
+                ];
+            }
+            return undefined;
+        }
+        return super.collectLocationLinks(sourceCstNode, _params);
+    }
+    findTargetObject(importedGrammar) {
+        // Jump to grammar name or the first element
+        if (importedGrammar.isDeclared) {
+            return importedGrammar;
+        }
+        return streamContents(importedGrammar).head();
+    }
+}
+//# sourceMappingURL=grammar-definition.js.map