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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 "Types.h"
#include <wtf/FixedVector.h>
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
#include <wtf/text/StringHash.h>
namespace WGSL {
struct Type;
namespace AST {
class Identifier;
}
class TypeCache {
public:
enum KeyKind : uint8_t {
Vector = 1,
Matrix,
Array,
Texture,
TextureStorage,
Reference,
Pointer,
PrimitiveStruct,
};
using EncodedKey = std::tuple<uint8_t, uint8_t, uint16_t, uint32_t, uintptr_t>;
template<typename Key>
const Type* find(const Key&) const;
template<typename Key>
void insert(const Key&, const Type*);
private:
HashMap<EncodedKey, const Type*> m_storage;
};
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* f16Type() const { return m_f16; }
const Type* samplerType() const { return m_sampler; }
const Type* samplerComparisonType() const { return m_samplerComparison; }
const Type* textureExternalType() const { return m_textureExternal; }
const Type* accessModeType() const { return m_accessMode; }
const Type* texelFormatType() const { return m_texelFormat; }
const Type* addressSpaceType() const { return m_addressSpace; }
const Type* textureDepth2dType() const { return m_textureDepth2d; }
const Type* textureDepth2dArrayType() const { return m_textureDepthArray2d; }
const Type* textureDepthCubeType() const { return m_textureDepthCube; }
const Type* textureDepthCubeArrayType() const { return m_textureDepthArrayCube; }
const Type* textureDepthMultisampled2dType() const { return m_textureDepthMultisampled2d; }
const Type* structType(AST::Structure&, HashMap<String, const Type*>&& = { });
const Type* arrayType(const Type*, Types::Array::Size);
const Type* vectorType(uint8_t, const Type*);
const Type* matrixType(uint8_t columns, uint8_t rows, const Type*);
const Type* textureType(Types::Texture::Kind, const Type*);
const Type* textureStorageType(Types::TextureStorage::Kind, TexelFormat, AccessMode);
const Type* functionType(Vector<const Type*>&&, const Type*, bool mustUse);
const Type* referenceType(AddressSpace, const Type*, AccessMode, bool isVectorComponent = false);
const Type* pointerType(AddressSpace, const Type*, AccessMode);
const Type* atomicType(const Type*);
const Type* typeConstructorType(ASCIILiteral, std::function<const Type*(AST::ElaboratedTypeExpression&)>&&);
const Type* frexpResultType(const Type*, const Type*);
const Type* modfResultType(const Type*, const Type*);
const Type* atomicCompareExchangeResultType(const Type*);
private:
template<typename TypeKind, typename... Arguments>
const Type* allocateType(Arguments&&...);
Vector<std::unique_ptr<const Type>> m_types;
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_f16;
const Type* m_sampler;
const Type* m_samplerComparison;
const Type* m_textureExternal;
const Type* m_accessMode;
const Type* m_texelFormat;
const Type* m_addressSpace;
const Type* m_textureDepth2d;
const Type* m_textureDepthArray2d;
const Type* m_textureDepthCube;
const Type* m_textureDepthArrayCube;
const Type* m_textureDepthMultisampled2d;
const Type* m_atomicI32;
const Type* m_atomicU32;
const Type* m_atomicCompareExchangeResultI32 { nullptr };
const Type* m_atomicCompareExchangeResultU32 { nullptr };
};
} // namespace WGSL
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