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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15 // disclaimer in the documentation and/or other materials provided
16 // with the distribution.
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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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37 // This holds context specific to the GLSL scanner, which
38 // sits between the preprocessor scanner and parser.
43 #include "ParseHelper.h"
53 explicit TScanContext(TParseContextBase& pc) :
55 afterType(false), afterStruct(false),
56 field(false), afterBuffer(false) { }
57 virtual ~TScanContext() { }
59 static void fillInKeywordMap();
60 static void deleteKeywordMap();
62 int tokenize(TPpContext*, TParserToken&);
65 TScanContext(TScanContext&);
66 TScanContext& operator=(TScanContext&);
68 int tokenizeIdentifier();
69 int identifierOrType();
71 int identifierOrReserved(bool reserved);
72 int es30ReservedFromGLSL(int version);
73 int nonreservedKeyword(int esVersion, int nonEsVersion);
74 int precisionKeyword();
77 int firstGenerationImage(bool inEs310);
78 int secondGenerationImage();
80 TParseContextBase& parseContext;
81 bool afterType; // true if we've recognized a type, so can only be looking for an identifier
82 bool afterStruct; // true if we've recognized the STRUCT keyword, so can only be looking for an identifier
83 bool field; // true if we're on a field, right after a '.'
84 bool afterBuffer; // true if we've recognized the BUFFER keyword
86 TParserToken* parserToken;
89 const char* tokenText;
93 } // end namespace glslang