1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved. 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 15 #include "Token.h" 16 17 #include <cassert> 18 19 #include "numeric_lex.h" 20 21 namespace pp 22 { 23 24 void Token::reset() 25 { 26 type = 0; 27 flags = 0; 28 location = SourceLocation(); 29 text.clear(); 30 } 31 32 bool Token::equals(const Token &other) const 33 { 34 return (type == other.type) && 35 (flags == other.flags) && 36 (location == other.location) && 37 (text == other.text); 38 } 39 40 void Token::setAtStartOfLine(bool start) 41 { 42 if (start) 43 flags |= AT_START_OF_LINE; 44 else 45 flags &= ~AT_START_OF_LINE; 46 } 47 48 void Token::setHasLeadingSpace(bool space) 49 { 50 if (space) 51 flags |= HAS_LEADING_SPACE; 52 else 53 flags &= ~HAS_LEADING_SPACE; 54 } 55 56 void Token::setExpansionDisabled(bool disable) 57 { 58 if (disable) 59 flags |= EXPANSION_DISABLED; 60 else 61 flags &= ~EXPANSION_DISABLED; 62 } 63 64 bool Token::iValue(int *value) const 65 { 66 assert(type == CONST_INT); 67 return numeric_lex_int(text, value); 68 } 69 70 bool Token::uValue(unsigned int *value) const 71 { 72 assert(type == CONST_INT); 73 return numeric_lex_int(text, value); 74 } 75 76 bool Token::fValue(float *value) const 77 { 78 assert(type == CONST_FLOAT); 79 return numeric_lex_float(text, value); 80 } 81 82 std::ostream &operator<<(std::ostream &out, const Token &token) 83 { 84 if (token.hasLeadingSpace()) 85 out << " "; 86 87 out << token.text; 88 return out; 89 } 90 91 } // namespace pp 92
