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 #ifndef COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_ 16 #define COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_ 17 18 #include "DiagnosticsBase.h" 19 20 namespace pp 21 { 22 23 class Lexer; 24 struct Token; 25 26 class ExpressionParser 27 { 28 public: 29 struct ErrorSettings 30 { 31 Diagnostics::ID unexpectedIdentifier; 32 bool integerLiteralsMustFit32BitSignedRange; 33 }; 34 35 ExpressionParser(Lexer *lexer, Diagnostics *diagnostics); 36 37 bool parse(Token *token, 38 int *result, 39 bool parsePresetToken, 40 const ErrorSettings &errorSettings, 41 bool *valid); 42 43 private: 44 Lexer *mLexer; 45 Diagnostics *mDiagnostics; 46 }; 47 48 } // namespace pp 49 #endif // COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_ 50
