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

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• Author : Corentin Wallez
  Date : 2016-09-19 15:53:33
  Hash : d2f195b5
  Message : preprocessor: Fix use after free when #undef the macro being invoked BUG=chromium:648031 BUG=angleproject:1522 Change-Id: I825cea9e736a2c99133408249cfcd525431d31de Reviewed-on: https://chromium-review.googlesource.com/386853 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>

• src/compiler/preprocessor/Macro.h

• //
  // Copyright (c) 2012 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_MACRO_H_
  #define COMPILER_PREPROCESSOR_MACRO_H_
  
  #include <map>
  #include <string>
  #include <vector>
  
  namespace pp
  {
  
  struct Token;
  
  struct Macro
  {
      enum Type
      {
          kTypeObj,
          kTypeFunc
      };
      typedef std::vector<std::string> Parameters;
      typedef std::vector<Token> Replacements;
  
      Macro() : predefined(false), disabled(false), expansionCount(0), type(kTypeObj) {}
      bool equals(const Macro &other) const;
  
      bool predefined;
      mutable bool disabled;
      mutable int expansionCount;
  
      Type type;
      std::string name;
      Parameters parameters;
      Replacements replacements;
  };
  
  typedef std::map<std::string, Macro> MacroSet;
  
  void PredefineMacro(MacroSet *macroSet, const char *name, int value);
  
  }  // namespace pp
  
  #endif  // COMPILER_PREPROCESSOR_MACRO_H_