| // |
| // Copyright (c) 2012-2014 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| #ifndef COMPILER_PREPROCESSOR_TOKENIZER_H_ |
| #define COMPILER_PREPROCESSOR_TOKENIZER_H_ |
| |
| #include "common/angleutils.h" |
| #include "compiler/preprocessor/Input.h" |
| #include "compiler/preprocessor/Lexer.h" |
| |
| namespace pp |
| { |
| |
| class Diagnostics; |
| |
| class Tokenizer : public Lexer |
| { |
| public: |
| struct Context |
| { |
| Diagnostics *diagnostics; |
| |
| Input input; |
| // The location where yytext points to. Token location should track |
| // scanLoc instead of Input::mReadLoc because they may not be the same |
| // if text is buffered up in the scanner input buffer. |
| Input::Location scanLoc; |
| |
| bool leadingSpace; |
| bool lineStart; |
| }; |
| |
| Tokenizer(Diagnostics *diagnostics); |
| ~Tokenizer(); |
| |
| bool init(size_t count, const char *const string[], const int length[]); |
| |
| void setFileNumber(int file); |
| void setLineNumber(int line); |
| void setMaxTokenSize(size_t maxTokenSize); |
| |
| void lex(Token *token) override; |
| |
| private: |
| bool initScanner(); |
| void destroyScanner(); |
| |
| void *mHandle; // Scanner handle. |
| Context mContext; // Scanner extra. |
| size_t mMaxTokenSize; // Maximum token size |
| }; |
| |
| } // namespace pp |
| |
| #endif // COMPILER_PREPROCESSOR_TOKENIZER_H_ |