add hw2

node_modules/langium/lib/references/name-provider.d.ts

@@ -0,0 +1,30 @@
+/******************************************************************************
+ * Copyright 2021 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 type { AstNode, CstNode } from '../syntax-tree.js';
+export interface NamedAstNode extends AstNode {
+    name: string;
+}
+export declare function isNamed(node: AstNode): node is NamedAstNode;
+/**
+ * Utility service for retrieving the `name` of an `AstNode` or the `CstNode` containing a `name`.
+ */
+export interface NameProvider {
+    /**
+     * Returns the `name` of a given AstNode.
+     * @param node Specified `AstNode` whose name node shall be retrieved.
+     */
+    getName(node: AstNode): string | undefined;
+    /**
+     * Returns the `CstNode` which contains the parsed value of the `name` assignment.
+     * @param node Specified `AstNode` whose name node shall be retrieved.
+     */
+    getNameNode(node: AstNode): CstNode | undefined;
+}
+export declare class DefaultNameProvider implements NameProvider {
+    getName(node: AstNode): string | undefined;
+    getNameNode(node: AstNode): CstNode | undefined;
+}
+//# sourceMappingURL=name-provider.d.ts.map