add hw2

node_modules/langium/lib/lsp/workspace-symbol-provider.js

@@ -0,0 +1,45 @@
+/******************************************************************************
+ * Copyright 2023 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 { interruptAndCheck } from '../utils/promise-utils.js';
+export class DefaultWorkspaceSymbolProvider {
+    constructor(services) {
+        this.indexManager = services.workspace.IndexManager;
+        this.nodeKindProvider = services.lsp.NodeKindProvider;
+        this.fuzzyMatcher = services.lsp.FuzzyMatcher;
+    }
+    async getSymbols(params, cancelToken = CancellationToken.None) {
+        const workspaceSymbols = [];
+        const query = params.query.toLowerCase();
+        for (const description of this.indexManager.allElements()) {
+            await interruptAndCheck(cancelToken);
+            if (this.fuzzyMatcher.match(query, description.name)) {
+                const symbol = this.getWorkspaceSymbol(description);
+                if (symbol) {
+                    workspaceSymbols.push(symbol);
+                }
+            }
+        }
+        return workspaceSymbols;
+    }
+    getWorkspaceSymbol(astDescription) {
+        const nameSegment = astDescription.nameSegment;
+        if (nameSegment) {
+            return {
+                kind: this.nodeKindProvider.getSymbolKind(astDescription),
+                name: astDescription.name,
+                location: {
+                    range: nameSegment.range,
+                    uri: astDescription.documentUri.toString()
+                }
+            };
+        }
+        else {
+            return undefined;
+        }
+    }
+}
+//# sourceMappingURL=workspace-symbol-provider.js.map