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

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• Hash : a02670d6
  Author :
  Date : 2025-08-26T20:41:16
  

  Move unsafe buffers inside header guard macros
  
  While this is exactly opposite of what Chromium has chosen to do,
  there is an issue with clang-format trying to indent preprocessor
  directives four spaces relative to include guard. This is because
  Angle's .clang-format file specifies IndentPPDirectives: AfterHash
  but Chromium's does not. The current placement is sufficient to
  throw off clang-format's guard detection since the guard macro no
  longer covers the entire file.
  
  Bug: b/436880895
  Change-Id: Ic6b99c8cef6213939cdf9b42af8730e1eb423065
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6885892
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Auto-Submit: Tom Sepez <tsepez@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/compiler/preprocessor/Input.h

• //
  // Copyright 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_
  
  #ifdef UNSAFE_BUFFERS_BUILD
  #    pragma allow_unsafe_buffers
  #endif
  
  #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_
  

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