| // |
| // 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. |
| // |
| |
| #pragma once |
| |
| #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 |