kc3-lang/angle/src/compiler/preprocessor/Tokenizer.h

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• Author : Geoff Lang
  Date : 2018-04-25 14:29:00
  Hash : 197d5294
  Message : Wrap all preprocessor code in the angle namespace. BUG=836820 BUG=801364 Change-Id: I08b6a2f9f12b689e09df6efd916c313e71e8a051 Reviewed-on: https://chromium-review.googlesource.com/1028581 Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org>

• src/compiler/preprocessor/Tokenizer.h

• //
  // 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 angle
  {
  
  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() override;
  
      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
  
  }  // namespace angle
  
  #endif  // COMPILER_PREPROCESSOR_TOKENIZER_H_