glslang/hlsl/hlslTokenStream.h

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//
//Copyright (C) 2016 Google, Inc.
//
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions
//are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of Google, Inc., nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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//POSSIBILITY OF SUCH DAMAGE.
//
#ifndef HLSLTOKENSTREAM_H_
#define HLSLTOKENSTREAM_H_
#include "hlslScanContext.h"
namespace glslang {
class HlslTokenStream {
public:
explicit HlslTokenStream(HlslScanContext& scanner)
: scanner(scanner) { }
virtual ~HlslTokenStream() { }
public:
void advanceToken();
bool acceptTokenClass(EHlslTokenClass);
EHlslTokenClass peek() const;
bool peekTokenClass(EHlslTokenClass) const;
protected:
HlslToken token; // the current token we are processing
private:
HlslScanContext& scanner; // lexical scanner, to get next token
};
} // end namespace glslang
#endif // HLSLTOKENSTREAM_H_