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 15const TokenType = { 16 kEOF: "end of file", 17 kError: "error", 18 19 kIdentifier: "identifier", 20 21 kIntegerLiteral: "integer_literal", 22 kFloatLiteral: "float_literal", 23 kStringLiteral: "string_literal", 24 kResultId: "result_id", 25 26 kOp: "Op", 27 kEqual: "=", 28 kPipe: "|", 29}; 30 31class Token { 32 /** 33 * @param {TokenType} type The type of token 34 * @param {Integer} line The line number this token was on 35 * @param {Any} data Data attached to the token 36 * @param {Integer} bits If the type is a float or integer the bit width 37 */ 38 constructor(type, line, data) { 39 this.type_ = type; 40 this.line_ = line; 41 this.data_ = data; 42 this.bits_ = 0; 43 } 44 45 get type() { return this.type_; } 46 get line() { return this.line_; } 47 48 get data() { return this.data_; } 49 set data(val) { this.data_ = val; } 50 51 get bits() { return this.bits_; } 52 set bits(val) { this.bits_ = val; } 53} 54 55export {Token, TokenType}; 56