diff options
Diffstat (limited to 'chromium/third_party/glslang/src/glslang/MachineIndependent/ScanContext.h')
-rw-r--r-- | chromium/third_party/glslang/src/glslang/MachineIndependent/ScanContext.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/chromium/third_party/glslang/src/glslang/MachineIndependent/ScanContext.h b/chromium/third_party/glslang/src/glslang/MachineIndependent/ScanContext.h new file mode 100644 index 00000000000..f237bee9f29 --- /dev/null +++ b/chromium/third_party/glslang/src/glslang/MachineIndependent/ScanContext.h @@ -0,0 +1,86 @@ +// +//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 |