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//
//Copyright (C) 2013 LunarG, 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 3Dlabs Inc. Ltd. 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;
//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//POSSIBILITY OF SUCH DAMAGE.
//
//
// This holds context specific to the GLSL scanner, which
// sits between the preprocessor scanner and parser.
//
#include "ParseHelper.h"
namespace glslang {
class TPpContext;
class TPpToken;
class TParserToken;
class TScanContext {
public:
explicit TScanContext(TParseContextBase& pc) : parseContext(pc), afterType(false), field(false) { }
virtual ~TScanContext() { }
static void fillInKeywordMap();
static void deleteKeywordMap();
int tokenize(TPpContext*, TParserToken&);
protected:
TScanContext(TScanContext&);
TScanContext& operator=(TScanContext&);
int tokenizeIdentifier();
int identifierOrType();
int reservedWord();
int identifierOrReserved(bool reserved);
int es30ReservedFromGLSL(int version);
int nonreservedKeyword(int esVersion, int nonEsVersion);
int precisionKeyword();
int matNxM();
int dMat();
int firstGenerationImage(bool inEs310);
int secondGenerationImage();
TParseContextBase& parseContext;
bool afterType; // true if we've recognized a type, so can only be looking for an identifier
bool field; // true if we're on a field, right after a '.'
TSourceLoc loc;
TParserToken* parserToken;
TPpToken* ppToken;
const char* tokenText;
int keyword;
};
} // end namespace glslang
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