kc3-lang/angle/src/compiler/preprocessor/new/ExpressionParser.h

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• Author : alokp@chromium.org
  Date : 2012-05-17 20:35:42
  Hash : 2c958eef
  Message : Moved error-handling to a separate class - Diagnostics. We were earlier returning errors as tokens which did not work very well when error occured while parsing a preprocessor directive. Now all returned tokens are valid. Errors are reported via an abstract Diagnostics interface. Updated unit-tests with the new scheme. Review URL: https://codereview.appspot.com/6203089 git-svn-id: https://angleproject.googlecode.com/svn/trunk@1087 736b8ea6-26fd-11df-bfd4-992fa37f6226

• src/compiler/preprocessor/new/ExpressionParser.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_EXPRESSION_PARSER_H_
  #define COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_
  
  #include "pp_utils.h"
  
  namespace pp
  {
  
  class Diagnostics;
  class Lexer;
  struct Token;
  
  class ExpressionParser
  {
    public:
      ExpressionParser(Lexer* lexer, Diagnostics* diagnostics);
  
      bool parse(Token* token, int* result);
  
    private:
      PP_DISALLOW_COPY_AND_ASSIGN(ExpressionParser);
  
      Lexer* mLexer;
      Diagnostics* mDiagnostics;
  };
  
  }  // namespace pp
  #endif  // COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_