1// Copyright 2019 Google LLC 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15import Parser from "./parser.js"; 16import Lexer from "./lexer.js"; 17import Assembler from "./assembler.js"; 18 19import grammar from "./spirv.data.js"; 20 21export default class SVA { 22 /** 23 * Attempts to convert |input| SPIR-V assembly into SPIR-V binary. 24 * 25 * @param {String} the input string containing the assembly 26 * @return {Uint32Array|string} returns a Uint32Array containing the binary 27 * SPIR-V or a string on error. 28 */ 29 static assemble(input) { 30 let l = new Lexer(input); 31 let p = new Parser(grammar, l); 32 33 let ast = p.parse(); 34 if (ast === undefined) 35 return p.error; 36 37 let a = new Assembler(ast); 38 return a.assemble(); 39 } 40} 41