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/*
* 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 "WHLSLNameSpace.h"
#include <functional>
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
namespace WHLSL {
namespace AST {
class NamedType;
class FunctionDeclaration;
class TypeDefinition;
class StructureDefinition;
class EnumerationDefinition;
class FunctionDefinition;
class NativeFunctionDeclaration;
class NativeTypeDeclaration;
class VariableDeclaration;
}
class NameContext {
public:
NameContext(NameContext* parent = nullptr);
void setCurrentNameSpace(AST::NameSpace currentNameSpace)
{
ASSERT(!m_parent);
m_currentNameSpace = currentNameSpace;
}
Expected<void, Error> add(AST::TypeDefinition&);
Expected<void, Error> add(AST::StructureDefinition&);
Expected<void, Error> add(AST::EnumerationDefinition&);
Expected<void, Error> add(AST::FunctionDefinition&);
Expected<void, Error> add(AST::NativeFunctionDeclaration&);
Expected<void, Error> add(AST::NativeTypeDeclaration&);
Expected<void, Error> add(AST::VariableDeclaration&);
Vector<std::reference_wrapper<AST::NamedType>, 1> getTypes(const String&, AST::NameSpace fromNamespace);
Vector<std::reference_wrapper<AST::FunctionDeclaration>, 1> getFunctions(const String&, AST::NameSpace fromNamespace);
AST::VariableDeclaration* getVariable(const String&);
private:
AST::NamedType* searchTypes(String& name) const;
AST::FunctionDeclaration* searchFunctions(String& name) const;
Optional<CodeLocation> topLevelExists(String& name) const;
AST::VariableDeclaration* localExists(String& name) const;
HashMap<String, Vector<std::reference_wrapper<AST::NamedType>, 1>> m_types[AST::nameSpaceCount];
HashMap<String, Vector<std::reference_wrapper<AST::FunctionDeclaration>, 1>> m_functions[AST::nameSpaceCount];
HashMap<String, AST::VariableDeclaration*> m_variables;
NameContext* m_parent;
AST::NameSpace m_currentNameSpace { AST::NameSpace::StandardLibrary };
};
}
}
#endif