| /* |
| * 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. |
| */ |
| |
| #include "config.h" |
| #include "WHLSLNameContext.h" |
| |
| #if ENABLE(WEBGPU) |
| |
| #include "WHLSLEnumerationDefinition.h" |
| #include "WHLSLFunctionDefinition.h" |
| #include "WHLSLNativeFunctionDeclaration.h" |
| #include "WHLSLNativeTypeDeclaration.h" |
| #include "WHLSLStructureDefinition.h" |
| #include "WHLSLTypeDefinition.h" |
| #include "WHLSLVariableDeclaration.h" |
| |
| namespace WebCore { |
| |
| namespace WHLSL { |
| |
| NameContext::NameContext(NameContext* parent) |
| : m_parent(parent) |
| { |
| } |
| |
| bool NameContext::add(AST::TypeDefinition& typeDefinition) |
| { |
| if (exists(typeDefinition.name())) |
| return false; |
| auto result = m_types.add(typeDefinition.name(), Vector<std::reference_wrapper<AST::NamedType>, 1>()); |
| if (!result.isNewEntry) |
| return false; |
| result.iterator->value.append(typeDefinition); |
| return true; |
| } |
| |
| bool NameContext::add(AST::StructureDefinition& structureDefinition) |
| { |
| if (exists(structureDefinition.name())) |
| return false; |
| auto result = m_types.add(structureDefinition.name(), Vector<std::reference_wrapper<AST::NamedType>, 1>()); |
| if (!result.isNewEntry) |
| return false; |
| result.iterator->value.append(structureDefinition); |
| return true; |
| } |
| |
| bool NameContext::add(AST::EnumerationDefinition& enumerationDefinition) |
| { |
| if (exists(enumerationDefinition.name())) |
| return false; |
| auto result = m_types.add(enumerationDefinition.name(), Vector<std::reference_wrapper<AST::NamedType>, 1>()); |
| if (!result.isNewEntry) |
| return false; |
| result.iterator->value.append(enumerationDefinition); |
| return true; |
| } |
| |
| bool NameContext::add(AST::FunctionDefinition& functionDefinition) |
| { |
| if (m_types.find(functionDefinition.name()) != m_types.end() |
| || m_variables.find(functionDefinition.name()) != m_variables.end()) |
| return false; |
| auto result = m_functions.add(functionDefinition.name(), Vector<std::reference_wrapper<AST::FunctionDeclaration>, 1>()); |
| result.iterator->value.append(functionDefinition); |
| return true; |
| } |
| |
| bool NameContext::add(AST::NativeFunctionDeclaration& nativeFunctionDeclaration) |
| { |
| if (m_types.find(nativeFunctionDeclaration.name()) != m_types.end() |
| || m_variables.find(nativeFunctionDeclaration.name()) != m_variables.end()) |
| return false; |
| auto result = m_functions.add(nativeFunctionDeclaration.name(), Vector<std::reference_wrapper<AST::FunctionDeclaration>, 1>()); |
| result.iterator->value.append(nativeFunctionDeclaration); |
| return true; |
| } |
| |
| bool NameContext::add(AST::NativeTypeDeclaration& nativeTypeDeclaration) |
| { |
| if (m_functions.find(nativeTypeDeclaration.name()) != m_functions.end() |
| || m_variables.find(nativeTypeDeclaration.name()) != m_variables.end()) |
| return false; |
| auto result = m_types.add(nativeTypeDeclaration.name(), Vector<std::reference_wrapper<AST::NamedType>, 1>()); |
| result.iterator->value.append(nativeTypeDeclaration); |
| return true; |
| } |
| |
| bool NameContext::add(AST::VariableDeclaration& variableDeclaration) |
| { |
| if (variableDeclaration.name().isNull()) |
| return true; |
| if (exists(variableDeclaration.name())) |
| return false; |
| auto result = m_variables.add(String(variableDeclaration.name()), &variableDeclaration); |
| return result.isNewEntry; |
| } |
| |
| Vector<std::reference_wrapper<AST::NamedType>, 1>* NameContext::getTypes(const String& name) |
| { |
| auto iterator = m_types.find(name); |
| if (iterator == m_types.end()) { |
| if (m_parent) |
| return m_parent->getTypes(name); |
| return nullptr; |
| } |
| return &iterator->value; |
| } |
| |
| Vector<std::reference_wrapper<AST::FunctionDeclaration>, 1>* NameContext::getFunctions(const String& name) |
| { |
| auto iterator = m_functions.find(name); |
| if (iterator == m_functions.end()) { |
| if (m_parent) |
| return m_parent->getFunctions(name); |
| return nullptr; |
| } |
| return &iterator->value; |
| } |
| |
| AST::VariableDeclaration* NameContext::getVariable(const String& name) |
| { |
| auto iterator = m_variables.find(name); |
| if (iterator == m_variables.end()) { |
| if (m_parent) |
| return m_parent->getVariable(name); |
| return nullptr; |
| } |
| return iterator->value; |
| } |
| |
| bool NameContext::exists(String& name) |
| { |
| return m_types.find(name) != m_types.end() |
| || m_functions.find(name) != m_functions.end() |
| || m_variables.find(name) != m_variables.end(); |
| } |
| |
| } // namespace WHLSL |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBGPU) |