add hw2

node_modules/langium/lib/parser/value-converter.d.ts

@@ -0,0 +1,31 @@
+/******************************************************************************
+ * 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 { AbstractRule } from '../languages/generated/ast.js';
+import type { CstNode } from '../syntax-tree.js';
+/**
+ * Language-specific service for converting string values from the source text format into a value to be held in the AST.
+ */
+export interface ValueConverter {
+    /**
+     * Converts a string value from the source text format into a value to be held in the AST.
+     */
+    convert(input: string, cstNode: CstNode): ValueType;
+}
+export type ValueType = string | number | boolean | bigint | Date;
+export declare class DefaultValueConverter implements ValueConverter {
+    convert(input: string, cstNode: CstNode): ValueType;
+    protected runConverter(rule: AbstractRule, input: string, cstNode: CstNode): ValueType;
+}
+export declare namespace ValueConverter {
+    function convertString(input: string): string;
+    function convertID(input: string): string;
+    function convertInt(input: string): number;
+    function convertBigint(input: string): bigint;
+    function convertDate(input: string): Date;
+    function convertNumber(input: string): number;
+    function convertBoolean(input: string): boolean;
+}
+//# sourceMappingURL=value-converter.d.ts.map