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Diffstat (limited to 'chromium/third_party/glslang/src/glslang/MachineIndependent/parseVersions.h')
| -rwxr-xr-x | chromium/third_party/glslang/src/glslang/MachineIndependent/parseVersions.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/chromium/third_party/glslang/src/glslang/MachineIndependent/parseVersions.h b/chromium/third_party/glslang/src/glslang/MachineIndependent/parseVersions.h new file mode 100755 index 00000000000..0eebb10aec2 --- /dev/null +++ b/chromium/third_party/glslang/src/glslang/MachineIndependent/parseVersions.h @@ -0,0 +1,135 @@ +// +//Copyright (C) 2016 Google, 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 is implemented in Versions.cpp + +#ifndef _PARSE_VERSIONS_INCLUDED_ +#define _PARSE_VERSIONS_INCLUDED_ + +#include "../Public/ShaderLang.h" +#include "../Include/InfoSink.h" +#include "Scan.h" + +#include <map> + +namespace glslang { + +// +// Base class for parse helpers. +// This just has version-related information and checking. +// This class should be sufficient for preprocessing. +// +class TParseVersions { +public: + TParseVersions(TIntermediate& interm, int version, EProfile profile, + int spv, int vulkan, EShLanguage language, TInfoSink& infoSink, + bool forwardCompatible, EShMessages messages) + : infoSink(infoSink), version(version), profile(profile), language(language), + spv(spv), vulkan(vulkan), forwardCompatible(forwardCompatible), + intermediate(interm), messages(messages), numErrors(0), currentScanner(0) { } + virtual ~TParseVersions() { } + virtual void initializeExtensionBehavior(); + virtual void requireProfile(const TSourceLoc&, int queryProfiles, const char* featureDesc); + virtual void profileRequires(const TSourceLoc&, int queryProfiles, int minVersion, int numExtensions, const char* const extensions[], const char* featureDesc); + virtual void profileRequires(const TSourceLoc&, int queryProfiles, int minVersion, const char* const extension, const char* featureDesc); + virtual void requireStage(const TSourceLoc&, EShLanguageMask, const char* featureDesc); + virtual void requireStage(const TSourceLoc&, EShLanguage, const char* featureDesc); + virtual void checkDeprecated(const TSourceLoc&, int queryProfiles, int depVersion, const char* featureDesc); + virtual void requireNotRemoved(const TSourceLoc&, int queryProfiles, int removedVersion, const char* featureDesc); + virtual void requireExtensions(const TSourceLoc&, int numExtensions, const char* const extensions[], const char* featureDesc); + virtual void ppRequireExtensions(const TSourceLoc&, int numExtensions, const char* const extensions[], const char* featureDesc); + virtual TExtensionBehavior getExtensionBehavior(const char*); + virtual bool extensionTurnedOn(const char* const extension); + virtual bool extensionsTurnedOn(int numExtensions, const char* const extensions[]); + virtual void updateExtensionBehavior(int line, const char* const extension, const char* behavior); + virtual void fullIntegerCheck(const TSourceLoc&, const char* op); + virtual void doubleCheck(const TSourceLoc&, const char* op); + virtual void int64Check(const TSourceLoc&, const char* op, bool builtIn = false); + virtual void spvRemoved(const TSourceLoc&, const char* op); + virtual void vulkanRemoved(const TSourceLoc&, const char* op); + virtual void requireVulkan(const TSourceLoc&, const char* op); + virtual void requireSpv(const TSourceLoc&, const char* op); + virtual bool checkExtensionsRequested(const TSourceLoc&, int numExtensions, const char* const extensions[], const char* featureDesc); + virtual void updateExtensionBehavior(const char* const extension, TExtensionBehavior); + + virtual void C_DECL error(const TSourceLoc&, const char* szReason, const char* szToken, + const char* szExtraInfoFormat, ...) = 0; + virtual void C_DECL warn(const TSourceLoc&, const char* szReason, const char* szToken, + const char* szExtraInfoFormat, ...) = 0; + virtual void C_DECL ppError(const TSourceLoc&, const char* szReason, const char* szToken, + const char* szExtraInfoFormat, ...) = 0; + virtual void C_DECL ppWarn(const TSourceLoc&, const char* szReason, const char* szToken, + const char* szExtraInfoFormat, ...) = 0; + + void addError() { ++numErrors; } + int getNumErrors() const { return numErrors; } + + void setScanner(TInputScanner* scanner) { currentScanner = scanner; } + TInputScanner* getScanner() const { return currentScanner; } + const TSourceLoc& getCurrentLoc() const { return currentScanner->getSourceLoc(); } + void setCurrentLine(int line) { currentScanner->setLine(line); } + void setCurrentColumn(int col) { currentScanner->setColumn(col); } + void setCurrentSourceName(const char* name) { currentScanner->setFile(name); } + void setCurrentString(int string) { currentScanner->setString(string); } + + void getPreamble(std::string&); + bool relaxedErrors() const { return (messages & EShMsgRelaxedErrors) != 0; } + bool suppressWarnings() const { return (messages & EShMsgSuppressWarnings) != 0; } + + TInfoSink& infoSink; + + // compilation mode + int version; // version, updated by #version in the shader + EProfile profile; // the declared profile in the shader (core by default) + EShLanguage language; // really the stage + int spv; // SPIR-V version; 0 means not SPIR-V + int vulkan; // Vulkan version; 0 means not vulkan + bool forwardCompatible; // true if errors are to be given for use of deprecated features + TIntermediate& intermediate; // helper for making and hooking up pieces of the parse tree + +protected: + EShMessages messages; // errors/warnings/rule-sets + int numErrors; // number of compile-time errors encountered + TInputScanner* currentScanner; + +private: + TMap<TString, TExtensionBehavior> extensionBehavior; // for each extension string, what its current behavior is set to + explicit TParseVersions(const TParseVersions&); + TParseVersions& operator=(const TParseVersions&); +}; + +} // end namespace glslang + +#endif // _PARSE_VERSIONS_INCLUDED_ |