gfx/angle/src/compiler/preprocessor/Tokenizer.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/angle/src/compiler/preprocessor/Tokenizer.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,58 @@
     1.4 +//
     1.5 +// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
     1.6 +// Use of this source code is governed by a BSD-style license that can be
     1.7 +// found in the LICENSE file.
     1.8 +//
     1.9 +
    1.10 +#ifndef COMPILER_PREPROCESSOR_TOKENIZER_H_
    1.11 +#define COMPILER_PREPROCESSOR_TOKENIZER_H_
    1.12 +
    1.13 +#include "Input.h"
    1.14 +#include "Lexer.h"
    1.15 +#include "pp_utils.h"
    1.16 +
    1.17 +namespace pp
    1.18 +{
    1.19 +
    1.20 +class Diagnostics;
    1.21 +
    1.22 +class Tokenizer : public Lexer
    1.23 +{
    1.24 +  public:
    1.25 +    struct Context
    1.26 +    {
    1.27 +        Diagnostics* diagnostics;
    1.28 +
    1.29 +        Input input;
    1.30 +        // The location where yytext points to. Token location should track
    1.31 +        // scanLoc instead of Input::mReadLoc because they may not be the same
    1.32 +        // if text is buffered up in the scanner input buffer.
    1.33 +        Input::Location scanLoc;
    1.34 +
    1.35 +        bool leadingSpace;
    1.36 +        bool lineStart;
    1.37 +    };
    1.38 +    static const std::size_t kMaxTokenLength;
    1.39 +
    1.40 +    Tokenizer(Diagnostics* diagnostics);
    1.41 +    ~Tokenizer();
    1.42 +
    1.43 +    bool init(size_t count, const char* const string[], const int length[]);
    1.44 +
    1.45 +    void setFileNumber(int file);
    1.46 +    void setLineNumber(int line);
    1.47 +
    1.48 +    virtual void lex(Token* token);
    1.49 +
    1.50 +  private:
    1.51 +    PP_DISALLOW_COPY_AND_ASSIGN(Tokenizer);
    1.52 +    bool initScanner();
    1.53 +    void destroyScanner();
    1.54 +
    1.55 +    void* mHandle;  // Scanner handle.
    1.56 +    Context mContext;  // Scanner extra.
    1.57 +};
    1.58 +
    1.59 +}  // namespace pp
    1.60 +#endif  // COMPILER_PREPROCESSOR_TOKENIZER_H_
    1.61 +

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