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

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• Author : Corentin Wallez
  Date : 2016-09-20 17:15:59
  Hash : 054f7ed0
  Message : preprocessor: Miscellaneous cleanups - Use full header paths in includes - Use ASSERT instead of assert - Use angle::NonCopyable instead of PP_DISALLOW_COPY_AND_ASSIGN - Use range-for in a couple places - Remove pp_utils.h BUG=angleproject:1522 Change-Id: If107fef89e8465bca65cf664926d1051c5d1e232 Reviewed-on: https://chromium-review.googlesource.com/387212 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Geoff Lang <geofflang@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 pp
  {
  
  // Holds and reads input for Lexer.
  class Input
  {
    public:
      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
  
  #endif  // COMPILER_PREPROCESSOR_INPUT_H_