| // |
| //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: |
| // |
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| // |
| // 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 |
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| //LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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| // |
| |
| // 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, |
| const SpvVersion& spvVersion, EShLanguage language, TInfoSink& infoSink, |
| bool forwardCompatible, EShMessages messages) |
| : infoSink(infoSink), version(version), profile(profile), language(language), |
| spvVersion(spvVersion), 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); |
| #ifdef AMD_EXTENSIONS |
| virtual void float16Check(const TSourceLoc&, const char* op, bool builtIn = false); |
| #endif |
| 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 |
| SpvVersion spvVersion; |
| 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: |
| TMap<TString, TExtensionBehavior> extensionBehavior; // for each extension string, what its current behavior is set to |
| EShMessages messages; // errors/warnings/rule-sets |
| int numErrors; // number of compile-time errors encountered |
| TInputScanner* currentScanner; |
| |
| private: |
| explicit TParseVersions(const TParseVersions&); |
| TParseVersions& operator=(const TParseVersions&); |
| }; |
| |
| } // end namespace glslang |
| |
| #endif // _PARSE_VERSIONS_INCLUDED_ |