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

• //
  // Copyright (c) 2011 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_INPUT_H_
  #define COMPILER_PREPROCESSOR_INPUT_H_
  
  #include <cstddef>
  #include <vector>
  
  namespace angle
  {
  
  namespace pp
  {
  
  // Holds and reads input for Lexer.
  class Input
  {
    public:
      Input();
      ~Input();
      Input(size_t count, const char *const string[], const int length[]);
  
      size_t count() const { return mCount; }
      const char *string(size_t index) const { return mString[index]; }
      size_t length(size_t index) const { return mLength[index]; }
  
      size_t read(char *buf, size_t maxSize, int *lineNo);
  
      struct Location
      {
          size_t sIndex;  // String index;
          size_t cIndex;  // Char index.
  
          Location() : sIndex(0), cIndex(0) {}
      };
      const Location &readLoc() const { return mReadLoc; }
  
    private:
      // Skip a character and return the next character after the one that was skipped.
      // Return nullptr if data runs out.
      const char *skipChar();
  
      // Input.
      size_t mCount;
      const char *const *mString;
      std::vector<size_t> mLength;
  
      Location mReadLoc;
  };
  
  }  // namespace pp
  
  }  // namespace angle
  
  #endif  // COMPILER_PREPROCESSOR_INPUT_H_