01384725c2
We need separate concepts for - total set of extensions ever enabled, for the back end - current state of extensions, for parsing - the set of features currently enabled for building the AST
246 lines
13 KiB
C++
246 lines
13 KiB
C++
//
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// Copyright (C) 2015-2018 Google, Inc.
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// Copyright (C) 2017 ARM Limited.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// This is implemented in Versions.cpp
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#ifndef _PARSE_VERSIONS_INCLUDED_
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#define _PARSE_VERSIONS_INCLUDED_
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#include "../Public/ShaderLang.h"
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#include "../Include/InfoSink.h"
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#include "Scan.h"
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#include <map>
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namespace glslang {
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//
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// Base class for parse helpers.
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// This just has version-related information and checking.
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// This class should be sufficient for preprocessing.
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//
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class TParseVersions {
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public:
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TParseVersions(TIntermediate& interm, int version, EProfile profile,
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const SpvVersion& spvVersion, EShLanguage language, TInfoSink& infoSink,
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bool forwardCompatible, EShMessages messages)
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:
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#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
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forwardCompatible(forwardCompatible),
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profile(profile),
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#endif
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infoSink(infoSink), version(version),
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language(language),
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spvVersion(spvVersion),
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intermediate(interm), messages(messages), numErrors(0), currentScanner(0) { }
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virtual ~TParseVersions() { }
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void requireStage(const TSourceLoc&, EShLanguageMask, const char* featureDesc);
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void requireStage(const TSourceLoc&, EShLanguage, const char* featureDesc);
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#ifdef GLSLANG_WEB
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const EProfile profile = EEsProfile;
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bool isEsProfile() const { return true; }
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void requireProfile(const TSourceLoc& loc, int profileMask, const char* featureDesc)
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{
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if (! (EEsProfile & profileMask))
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error(loc, "not supported with this profile:", featureDesc, ProfileName(profile));
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}
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void profileRequires(const TSourceLoc& loc, int profileMask, int minVersion, int numExtensions,
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const char* const extensions[], const char* featureDesc)
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{
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if ((EEsProfile & profileMask) && (minVersion == 0 || version < minVersion))
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error(loc, "not supported for this version or the enabled extensions", featureDesc, "");
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}
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void profileRequires(const TSourceLoc& loc, int profileMask, int minVersion, const char* extension,
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const char* featureDesc)
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{
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profileRequires(loc, profileMask, minVersion, extension ? 1 : 0, &extension, featureDesc);
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}
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void initializeExtensionBehavior() { }
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void checkDeprecated(const TSourceLoc&, int queryProfiles, int depVersion, const char* featureDesc) { }
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void requireNotRemoved(const TSourceLoc&, int queryProfiles, int removedVersion, const char* featureDesc) { }
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void requireExtensions(const TSourceLoc&, int numExtensions, const char* const extensions[],
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const char* featureDesc) { }
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void ppRequireExtensions(const TSourceLoc&, int numExtensions, const char* const extensions[],
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const char* featureDesc) { }
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TExtensionBehavior getExtensionBehavior(const char*) { return EBhMissing; }
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bool extensionTurnedOn(const char* const extension) { return false; }
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bool extensionsTurnedOn(int numExtensions, const char* const extensions[]) { return false; }
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void updateExtensionBehavior(int line, const char* const extension, const char* behavior) { }
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void updateExtensionBehavior(const char* const extension, TExtensionBehavior) { }
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void checkExtensionStage(const TSourceLoc&, const char* const extension) { }
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void extensionRequires(const TSourceLoc&, const char* const extension, const char* behavior) { }
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void fullIntegerCheck(const TSourceLoc&, const char* op) { }
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void doubleCheck(const TSourceLoc&, const char* op) { }
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bool float16Arithmetic() { return false; }
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void requireFloat16Arithmetic(const TSourceLoc& loc, const char* op, const char* featureDesc) { }
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bool int16Arithmetic() { return false; }
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void requireInt16Arithmetic(const TSourceLoc& loc, const char* op, const char* featureDesc) { }
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bool int8Arithmetic() { return false; }
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void requireInt8Arithmetic(const TSourceLoc& loc, const char* op, const char* featureDesc) { }
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void int64Check(const TSourceLoc&, const char* op, bool builtIn = false) { }
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void explicitFloat32Check(const TSourceLoc&, const char* op, bool builtIn = false) { }
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void explicitFloat64Check(const TSourceLoc&, const char* op, bool builtIn = false) { }
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bool relaxedErrors() const { return false; }
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bool suppressWarnings() const { return true; }
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bool isForwardCompatible() const { return false; }
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#else
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#ifdef GLSLANG_ANGLE
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const bool forwardCompatible = true;
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const EProfile profile = ECoreProfile;
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#else
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bool forwardCompatible; // true if errors are to be given for use of deprecated features
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EProfile profile; // the declared profile in the shader (core by default)
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#endif
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bool isEsProfile() const { return profile == EEsProfile; }
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void requireProfile(const TSourceLoc& loc, int profileMask, const char* featureDesc);
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void profileRequires(const TSourceLoc& loc, int profileMask, int minVersion, int numExtensions,
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const char* const extensions[], const char* featureDesc);
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void profileRequires(const TSourceLoc& loc, int profileMask, int minVersion, const char* extension,
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const char* featureDesc);
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virtual void initializeExtensionBehavior();
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virtual void checkDeprecated(const TSourceLoc&, int queryProfiles, int depVersion, const char* featureDesc);
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virtual void requireNotRemoved(const TSourceLoc&, int queryProfiles, int removedVersion, const char* featureDesc);
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virtual void requireExtensions(const TSourceLoc&, int numExtensions, const char* const extensions[],
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const char* featureDesc);
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virtual void ppRequireExtensions(const TSourceLoc&, int numExtensions, const char* const extensions[],
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const char* featureDesc);
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virtual TExtensionBehavior getExtensionBehavior(const char*);
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virtual bool extensionTurnedOn(const char* const extension);
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virtual bool extensionsTurnedOn(int numExtensions, const char* const extensions[]);
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virtual void updateExtensionBehavior(int line, const char* const extension, const char* behavior);
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virtual void updateExtensionBehavior(const char* const extension, TExtensionBehavior);
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virtual bool checkExtensionsRequested(const TSourceLoc&, int numExtensions, const char* const extensions[],
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const char* featureDesc);
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virtual void checkExtensionStage(const TSourceLoc&, const char* const extension);
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virtual void extensionRequires(const TSourceLoc&, const char* const extension, const char* behavior);
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virtual void fullIntegerCheck(const TSourceLoc&, const char* op);
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virtual void unimplemented(const TSourceLoc&, const char* featureDesc);
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virtual void doubleCheck(const TSourceLoc&, const char* op);
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virtual void float16Check(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual void float16ScalarVectorCheck(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual bool float16Arithmetic();
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virtual void requireFloat16Arithmetic(const TSourceLoc& loc, const char* op, const char* featureDesc);
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virtual void int16ScalarVectorCheck(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual bool int16Arithmetic();
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virtual void requireInt16Arithmetic(const TSourceLoc& loc, const char* op, const char* featureDesc);
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virtual void int8ScalarVectorCheck(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual bool int8Arithmetic();
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virtual void requireInt8Arithmetic(const TSourceLoc& loc, const char* op, const char* featureDesc);
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virtual void float16OpaqueCheck(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual void int64Check(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual void explicitInt8Check(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual void explicitInt16Check(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual void explicitInt32Check(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual void explicitFloat32Check(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual void explicitFloat64Check(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual void fcoopmatCheck(const TSourceLoc&, const char* op, bool builtIn = false);
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virtual void intcoopmatCheck(const TSourceLoc&, const char *op, bool builtIn = false);
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bool relaxedErrors() const { return (messages & EShMsgRelaxedErrors) != 0; }
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bool suppressWarnings() const { return (messages & EShMsgSuppressWarnings) != 0; }
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bool isForwardCompatible() const { return forwardCompatible; }
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#endif // GLSLANG_WEB
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virtual void spvRemoved(const TSourceLoc&, const char* op);
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virtual void vulkanRemoved(const TSourceLoc&, const char* op);
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virtual void requireVulkan(const TSourceLoc&, const char* op);
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virtual void requireSpv(const TSourceLoc&, const char* op);
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virtual void requireSpv(const TSourceLoc&, const char *op, unsigned int version);
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#if defined(GLSLANG_WEB) && !defined(GLSLANG_WEB_DEVEL)
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void C_DECL error(const TSourceLoc&, const char* szReason, const char* szToken,
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const char* szExtraInfoFormat, ...) { addError(); }
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void C_DECL warn(const TSourceLoc&, const char* szReason, const char* szToken,
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const char* szExtraInfoFormat, ...) { }
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void C_DECL ppError(const TSourceLoc&, const char* szReason, const char* szToken,
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const char* szExtraInfoFormat, ...) { addError(); }
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void C_DECL ppWarn(const TSourceLoc&, const char* szReason, const char* szToken,
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const char* szExtraInfoFormat, ...) { }
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#else
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virtual void C_DECL error(const TSourceLoc&, const char* szReason, const char* szToken,
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const char* szExtraInfoFormat, ...) = 0;
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virtual void C_DECL warn(const TSourceLoc&, const char* szReason, const char* szToken,
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const char* szExtraInfoFormat, ...) = 0;
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virtual void C_DECL ppError(const TSourceLoc&, const char* szReason, const char* szToken,
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const char* szExtraInfoFormat, ...) = 0;
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virtual void C_DECL ppWarn(const TSourceLoc&, const char* szReason, const char* szToken,
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const char* szExtraInfoFormat, ...) = 0;
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#endif
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void addError() { ++numErrors; }
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int getNumErrors() const { return numErrors; }
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void setScanner(TInputScanner* scanner) { currentScanner = scanner; }
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TInputScanner* getScanner() const { return currentScanner; }
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const TSourceLoc& getCurrentLoc() const { return currentScanner->getSourceLoc(); }
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void setCurrentLine(int line) { currentScanner->setLine(line); }
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void setCurrentColumn(int col) { currentScanner->setColumn(col); }
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void setCurrentSourceName(const char* name) { currentScanner->setFile(name); }
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void setCurrentString(int string) { currentScanner->setString(string); }
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void getPreamble(std::string&);
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#ifdef ENABLE_HLSL
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bool isReadingHLSL() const { return (messages & EShMsgReadHlsl) == EShMsgReadHlsl; }
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bool hlslEnable16BitTypes() const { return (messages & EShMsgHlslEnable16BitTypes) != 0; }
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bool hlslDX9Compatible() const { return (messages & EShMsgHlslDX9Compatible) != 0; }
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#else
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bool isReadingHLSL() const { return false; }
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#endif
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TInfoSink& infoSink;
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// compilation mode
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int version; // version, updated by #version in the shader
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EShLanguage language; // really the stage
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SpvVersion spvVersion;
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TIntermediate& intermediate; // helper for making and hooking up pieces of the parse tree
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protected:
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TMap<TString, TExtensionBehavior> extensionBehavior; // for each extension string, what its current behavior is
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TMap<TString, unsigned int> extensionMinSpv; // for each extension string, store minimum spirv required
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EShMessages messages; // errors/warnings/rule-sets
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int numErrors; // number of compile-time errors encountered
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TInputScanner* currentScanner;
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private:
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explicit TParseVersions(const TParseVersions&);
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TParseVersions& operator=(const TParseVersions&);
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};
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} // end namespace glslang
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#endif // _PARSE_VERSIONS_INCLUDED_
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