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_PREPROCESSOR_H_ 16 #define COMPILER_PREPROCESSOR_PREPROCESSOR_H_ 17 18 #include "pp_utils.h" 19 20 namespace pp 21 { 22 23 class Diagnostics; 24 class DirectiveHandler; 25 struct PreprocessorImpl; 26 struct Token; 27 28 class Preprocessor 29 { 30 public: 31 Preprocessor(Diagnostics* diagnostics, DirectiveHandler* directiveHandler); 32 ~Preprocessor(); 33 34 // count: specifies the number of elements in the string and length arrays. 35 // string: specifies an array of pointers to strings. 36 // length: specifies an array of string lengths. 37 // If length is NULL, each string is assumed to be null terminated. 38 // If length is a value other than NULL, it points to an array containing 39 // a string length for each of the corresponding elements of string. 40 // Each element in the length array may contain the length of the 41 // corresponding string or a value less than 0 to indicate that the string 42 // is null terminated. 43 bool init(int count, const char* const string[], const int length[]); 44 // Adds a pre-defined macro. 45 void predefineMacro(const char* name, int value); 46 47 void lex(Token* token); 48 49 private: 50 PP_DISALLOW_COPY_AND_ASSIGN(Preprocessor); 51 52 PreprocessorImpl* mImpl; 53 }; 54 55 } // namespace pp 56 #endif // COMPILER_PREPROCESSOR_PREPROCESSOR_H_ 57 58
