| /* |
| * Copyright (C) 2019 Apple 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(WEBGPU) |
| |
| #include "WHLSLError.h" |
| #include "WHLSLFunctionAttribute.h" |
| #include "WHLSLSemantic.h" |
| #include "WHLSLTypeArgument.h" |
| #include <wtf/Expected.h> |
| |
| namespace WebCore { |
| |
| namespace WHLSL { |
| |
| class Program; |
| |
| namespace AST { |
| |
| class TypeDefinition; |
| class StructureDefinition; |
| class EnumerationDefinition; |
| class FunctionDefinition; |
| class NativeFunctionDeclaration; |
| class NativeTypeDeclaration; |
| class TypeReference; |
| class PointerType; |
| class ArrayReferenceType; |
| class ArrayType; |
| class StructureElement; |
| class EnumerationMember; |
| class FunctionDeclaration; |
| class ReferenceType; |
| class ConstantExpression; |
| class BuiltInSemantic; |
| class ResourceSemantic; |
| class SpecializationConstantSemantic; |
| class StageInOutSemantic; |
| class IntegerLiteral; |
| class UnsignedIntegerLiteral; |
| class FloatLiteral; |
| class BooleanLiteral; |
| class EnumerationMemberLiteral; |
| class NumThreadsFunctionAttribute; |
| class Block; |
| class StatementList; |
| class Statement; |
| class Break; |
| class Continue; |
| class DoWhileLoop; |
| class Expression; |
| class DotExpression; |
| class GlobalVariableReference; |
| class IndexExpression; |
| class PropertyAccessExpression; |
| class EffectfulExpressionStatement; |
| class Fallthrough; |
| class ForLoop; |
| class IfStatement; |
| class Return; |
| class SwitchCase; |
| class SwitchStatement; |
| class VariableDeclarationsStatement; |
| class WhileLoop; |
| class VariableDeclaration; |
| class AssignmentExpression; |
| class CallExpression; |
| class CommaExpression; |
| class DereferenceExpression; |
| class LogicalExpression; |
| class LogicalNotExpression; |
| class MakeArrayReferenceExpression; |
| class MakePointerExpression; |
| class ReadModifyWriteExpression; |
| class TernaryExpression; |
| class VariableReference; |
| class UnnamedType; |
| class NamedType; |
| |
| } |
| |
| class Visitor { |
| public: |
| virtual ~Visitor() = default; |
| |
| // FIXME: https://bugs.webkit.org/show_bug.cgi?id=198171 Add a way to visit a const Program |
| |
| virtual void visit(Program&); |
| virtual void visit(AST::UnnamedType&); |
| virtual void visit(AST::NamedType&); |
| virtual void visit(AST::TypeDefinition&); |
| virtual void visit(AST::StructureDefinition&); |
| virtual void visit(AST::EnumerationDefinition&); |
| virtual void visit(AST::FunctionDefinition&); |
| virtual void visit(AST::NativeFunctionDeclaration&); |
| virtual void visit(AST::NativeTypeDeclaration&); |
| virtual void visit(AST::TypeReference&); |
| virtual void visit(AST::PointerType&); |
| virtual void visit(AST::ArrayReferenceType&); |
| virtual void visit(AST::ArrayType&); |
| virtual void visit(AST::StructureElement&); |
| virtual void visit(AST::EnumerationMember&); |
| virtual void visit(AST::FunctionDeclaration&); |
| virtual void visit(AST::TypeArgument&); |
| virtual void visit(AST::ReferenceType&); |
| virtual void visit(AST::Semantic&); |
| virtual void visit(AST::ConstantExpression&); |
| virtual void visit(AST::AttributeBlock&); |
| virtual void visit(AST::BuiltInSemantic&); |
| virtual void visit(AST::ResourceSemantic&); |
| virtual void visit(AST::SpecializationConstantSemantic&); |
| virtual void visit(AST::StageInOutSemantic&); |
| virtual void visit(AST::IntegerLiteral&); |
| virtual void visit(AST::UnsignedIntegerLiteral&); |
| virtual void visit(AST::FloatLiteral&); |
| virtual void visit(AST::BooleanLiteral&); |
| virtual void visit(AST::IntegerLiteralType&); |
| virtual void visit(AST::UnsignedIntegerLiteralType&); |
| virtual void visit(AST::FloatLiteralType&); |
| virtual void visit(AST::EnumerationMemberLiteral&); |
| virtual void visit(AST::FunctionAttribute&); |
| virtual void visit(AST::NumThreadsFunctionAttribute&); |
| virtual void visit(AST::Block&); |
| virtual void visit(AST::StatementList&); |
| virtual void visit(AST::Statement&); |
| virtual void visit(AST::Break&); |
| virtual void visit(AST::Continue&); |
| virtual void visit(AST::DoWhileLoop&); |
| virtual void visit(AST::Expression&); |
| virtual void visit(AST::DotExpression&); |
| virtual void visit(AST::GlobalVariableReference&); |
| virtual void visit(AST::IndexExpression&); |
| virtual void visit(AST::PropertyAccessExpression&); |
| virtual void visit(AST::EffectfulExpressionStatement&); |
| virtual void visit(AST::Fallthrough&); |
| virtual void visit(AST::ForLoop&); |
| virtual void visit(AST::IfStatement&); |
| virtual void visit(AST::Return&); |
| virtual void visit(AST::SwitchCase&); |
| virtual void visit(AST::SwitchStatement&); |
| virtual void visit(AST::VariableDeclarationsStatement&); |
| virtual void visit(AST::WhileLoop&); |
| virtual void visit(AST::VariableDeclaration&); |
| virtual void visit(AST::AssignmentExpression&); |
| virtual void visit(AST::CallExpression&); |
| virtual void visit(AST::CommaExpression&); |
| virtual void visit(AST::DereferenceExpression&); |
| virtual void visit(AST::LogicalExpression&); |
| virtual void visit(AST::LogicalNotExpression&); |
| virtual void visit(AST::MakeArrayReferenceExpression&); |
| virtual void visit(AST::MakePointerExpression&); |
| virtual void visit(AST::ReadModifyWriteExpression&); |
| virtual void visit(AST::TernaryExpression&); |
| virtual void visit(AST::VariableReference&); |
| |
| bool hasError() const { return !m_expectedError; } |
| Expected<void, Error> result() { return m_expectedError; } |
| |
| template<typename T> void checkErrorAndVisit(T& x) |
| { |
| if (!hasError()) |
| visit(x); |
| } |
| |
| protected: |
| void setError(Error error) |
| { |
| ASSERT(!hasError()); |
| m_expectedError = makeUnexpected(error); |
| } |
| |
| private: |
| Expected<void, Error> m_expectedError; |
| }; |
| |
| } // namespace WHLSL |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBGPU) |