2 // Copyright (C) 2013 LunarG, Inc.
4 // All rights reserved.
6 // Redistribution and use in source and binary forms, with or without
7 // modification, are permitted provided that the following conditions
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11 // notice, this list of conditions and the following disclaimer.
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14 // copyright notice, this list of conditions and the following
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16 // with the distribution.
18 // Neither the name of 3Dlabs Inc. Ltd. nor the names of its
19 // contributors may be used to endorse or promote products derived
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22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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33 // POSSIBILITY OF SUCH DAMAGE.
37 // This holds context specific to the GLSL scanner, which
38 // sits between the preprocessor scanner and parser.
41 #include "ParseHelper.h"
51 explicit TScanContext(TParseContextBase& pc) : parseContext(pc), afterType(false), field(false) { }
52 virtual ~TScanContext() { }
54 static void fillInKeywordMap();
55 static void deleteKeywordMap();
57 int tokenize(TPpContext*, TParserToken&);
60 TScanContext(TScanContext&);
61 TScanContext& operator=(TScanContext&);
63 int tokenizeIdentifier();
64 int identifierOrType();
66 int identifierOrReserved(bool reserved);
67 int es30ReservedFromGLSL(int version);
68 int nonreservedKeyword(int esVersion, int nonEsVersion);
69 int precisionKeyword();
72 int firstGenerationImage(bool inEs310);
73 int secondGenerationImage();
75 TParseContextBase& parseContext;
76 bool afterType; // true if we've recognized a type, so can only be looking for an identifier
77 bool field; // true if we're on a field, right after a '.'
79 TParserToken* parserToken;
82 const char* tokenText;
86 } // end namespace glslang