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https://github.com/KhronosGroup/glslang
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f3d88bd498
Also use this to move deferred member-function-body parsing to a better place. This should also be well poised for implementing the 'namespace' keyword.
136 lines
6.0 KiB
C++
Executable File
136 lines
6.0 KiB
C++
Executable File
//
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// Copyright (C) 2016 Google, Inc.
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// Copyright (C) 2016 LunarG, Inc.
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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 Google, Inc., 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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#ifndef HLSLGRAMMAR_H_
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#define HLSLGRAMMAR_H_
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#include "hlslParseHelper.h"
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#include "hlslOpMap.h"
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#include "hlslTokenStream.h"
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namespace glslang {
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class TAttributeMap;
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class TFunctionDeclarator;
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// Should just be the grammar aspect of HLSL.
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// Described in more detail in hlslGrammar.cpp.
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class HlslGrammar : public HlslTokenStream {
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public:
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HlslGrammar(HlslScanContext& scanner, HlslParseContext& parseContext)
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: HlslTokenStream(scanner), parseContext(parseContext), intermediate(parseContext.intermediate) { }
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virtual ~HlslGrammar() { }
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bool parse();
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protected:
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HlslGrammar();
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HlslGrammar& operator=(const HlslGrammar&);
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void expected(const char*);
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void unimplemented(const char*);
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bool acceptIdentifier(HlslToken&);
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bool acceptCompilationUnit();
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bool acceptDeclaration(TIntermNode*&);
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bool acceptControlDeclaration(TIntermNode*& node);
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bool acceptSamplerDeclarationDX9(TType&);
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bool acceptSamplerState();
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bool acceptFullySpecifiedType(TType&);
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bool acceptFullySpecifiedType(TType&, TIntermNode*& nodeList);
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bool acceptQualifier(TQualifier&);
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bool acceptLayoutQualifierList(TQualifier&);
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bool acceptType(TType&);
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bool acceptType(TType&, TIntermNode*& nodeList);
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bool acceptTemplateVecMatBasicType(TBasicType&);
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bool acceptVectorTemplateType(TType&);
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bool acceptMatrixTemplateType(TType&);
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bool acceptTessellationDeclType();
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bool acceptTessellationPatchTemplateType(TType&);
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bool acceptStreamOutTemplateType(TType&, TLayoutGeometry&);
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bool acceptOutputPrimitiveGeometry(TLayoutGeometry&);
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bool acceptAnnotations(TQualifier&);
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bool acceptSamplerType(TType&);
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bool acceptTextureType(TType&);
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bool acceptStructBufferType(TType&);
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bool acceptStruct(TType&, TIntermNode*& nodeList);
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bool acceptStructDeclarationList(TTypeList*&, TIntermNode*& nodeList, const TString& typeName,
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TVector<TFunctionDeclarator>&);
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bool acceptMemberFunctionDefinition(TIntermNode*& nodeList, const TType&, const TString& memberName,
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TFunctionDeclarator&);
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bool acceptFunctionParameters(TFunction&);
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bool acceptParameterDeclaration(TFunction&);
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bool acceptFunctionDefinition(TFunctionDeclarator&, TIntermNode*& nodeList, TVector<HlslToken>* deferredTokens);
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bool acceptFunctionBody(TFunctionDeclarator& declarator, TIntermNode*& nodeList);
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bool acceptParenExpression(TIntermTyped*&);
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bool acceptExpression(TIntermTyped*&);
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bool acceptInitializer(TIntermTyped*&);
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bool acceptAssignmentExpression(TIntermTyped*&);
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bool acceptConditionalExpression(TIntermTyped*&);
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bool acceptBinaryExpression(TIntermTyped*&, PrecedenceLevel);
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bool acceptUnaryExpression(TIntermTyped*&);
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bool acceptPostfixExpression(TIntermTyped*&);
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bool acceptConstructor(TIntermTyped*&);
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bool acceptFunctionCall(HlslToken, TIntermTyped*&, TIntermTyped* objectBase = nullptr,
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const TSymbol* typeBase = nullptr);
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bool acceptArguments(TFunction*, TIntermTyped*&);
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bool acceptLiteral(TIntermTyped*&);
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bool acceptCompoundStatement(TIntermNode*&);
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bool acceptStatement(TIntermNode*&);
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bool acceptScopedStatement(TIntermNode*&);
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bool acceptScopedCompoundStatement(TIntermNode*&);
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bool acceptNestedStatement(TIntermNode*&);
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void acceptAttributes(TAttributeMap&);
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bool acceptSelectionStatement(TIntermNode*&);
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bool acceptSwitchStatement(TIntermNode*&);
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bool acceptIterationStatement(TIntermNode*&);
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bool acceptJumpStatement(TIntermNode*&);
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bool acceptCaseLabel(TIntermNode*&);
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bool acceptDefaultLabel(TIntermNode*&);
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void acceptArraySpecifier(TArraySizes*&);
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bool acceptPostDecls(TQualifier&);
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bool acceptDefaultParameterDeclaration(const TType&, TIntermTyped*&);
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bool captureBlockTokens(TVector<HlslToken>& tokens);
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HlslParseContext& parseContext; // state of parsing and helper functions for building the intermediate
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TIntermediate& intermediate; // the final product, the intermediate representation, includes the AST
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};
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} // end namespace glslang
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#endif // HLSLGRAMMAR_H_
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