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/*
* Copyright (c) 2023 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. ``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
* 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
#include "ASTTypeName.h"
#include "Types.h"
#include <wtf/FixedVector.h>
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
namespace WGSL {
struct Type;
namespace AST {
class Identifier;
}
class TypeStore {
public:
TypeStore();
const Type* bottomType() const { return m_bottom; }
const Type* voidType() const { return m_void; }
const Type* boolType() const { return m_bool; }
const Type* abstractIntType() const { return m_abstractInt; }
const Type* i32Type() const { return m_i32; }
const Type* u32Type() const { return m_u32; }
const Type* abstractFloatType() const { return m_abstractFloat; }
const Type* f32Type() const { return m_f32; }
const Type* samplerType() const { return m_sampler; }
const Type* textureExternalType() const { return m_textureExternal; }
const Type* structType(AST::Structure&);
const Type* arrayType(const Type*, std::optional<unsigned>);
const Type* vectorType(const Type*, uint8_t);
const Type* matrixType(const Type*, uint8_t columns, uint8_t rows);
const Type* textureType(const Type*, Types::Texture::Kind);
const Type* functionType(Vector<const Type*>&&, const Type*);
const Type* referenceType(AddressSpace, const Type*, AccessMode);
const Type* constructType(AST::ParameterizedTypeName::Base, const Type*);
private:
class TypeCache {
public:
template<typename Key>
const Type* find(const Key&) const;
template<typename Key>
void insert(const Key&, const Type*);
private:
HashMap<std::pair<const Type*, uint64_t>, const Type*> m_storage;
};
template<typename TypeKind, typename... Arguments>
const Type* allocateType(Arguments&&...);
template<typename TargetConstructor, typename Base, typename... Arguments>
void allocateConstructor(TargetConstructor, Base, Arguments&&...);
struct TypeConstructor {
std::function<const Type*(const Type*)> construct;
};
Vector<std::unique_ptr<const Type>> m_types;
FixedVector<TypeConstructor> m_typeConstrutors;
TypeCache m_cache;
const Type* m_bottom;
const Type* m_abstractInt;
const Type* m_abstractFloat;
const Type* m_void;
const Type* m_bool;
const Type* m_i32;
const Type* m_u32;
const Type* m_f32;
const Type* m_sampler;
const Type* m_textureExternal;
};
} // namespace WGSL
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