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 //

 // 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_PREPROCESSOR_H_

 #define COMPILER_PREPROCESSOR_PREPROCESSOR_H_

 #include <stddef.h>

 #include "pp_utils.h"

 namespace pp

 {

 class Diagnostics;

 class DirectiveHandler;

 struct PreprocessorImpl;

 struct Token;

 class Preprocessor

 {

   public:

     Preprocessor(Diagnostics* diagnostics, DirectiveHandler* directiveHandler);

     ~Preprocessor();

     // count: specifies the number of elements in the string and length arrays.

     // string: specifies an array of pointers to strings.

     // length: specifies an array of string lengths.

     // If length is NULL, each string is assumed to be null terminated.

     // If length is a value other than NULL, it points to an array containing

     // a string length for each of the corresponding elements of string.

     // Each element in the length array may contain the length of the

     // corresponding string or a value less than 0 to indicate that the string

     // is null terminated.

     bool init(size_t count, const char* const string[], const int length[]);

     // Adds a pre-defined macro.

     void predefineMacro(const char* name, int value);

     void lex(Token* token);

   private:

     PP_DISALLOW_COPY_AND_ASSIGN(Preprocessor);

     PreprocessorImpl* mImpl;

 };

 }  // namespace pp

 #endif  // COMPILER_PREPROCESSOR_PREPROCESSOR_H_