| /* |
| * 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 "WHLSLType.h" |
| #include "WHLSLUnnamedType.h" |
| #include <memory> |
| #include <wtf/FastMalloc.h> |
| |
| namespace WebCore { |
| |
| namespace WHLSL { |
| |
| namespace AST { |
| |
| class ResolvableType : public Type { |
| WTF_MAKE_FAST_ALLOCATED; |
| |
| protected: |
| ~ResolvableType() = default; |
| |
| public: |
| ResolvableType(Kind kind) |
| : Type(kind) |
| { } |
| |
| |
| ResolvableType(const ResolvableType&) = delete; |
| ResolvableType(ResolvableType&&) = default; |
| |
| ResolvableType& operator=(const ResolvableType&) = delete; |
| ResolvableType& operator=(ResolvableType&&) = default; |
| |
| bool canResolve(const Type&) const; |
| unsigned conversionCost(const UnnamedType&) const; |
| |
| const UnnamedType* maybeResolvedType() const { return m_resolvedType ? &*m_resolvedType : nullptr; } |
| const UnnamedType& resolvedType() const |
| { |
| ASSERT(m_resolvedType); |
| return *m_resolvedType; |
| } |
| |
| UnnamedType* maybeResolvedType() { return m_resolvedType ? &*m_resolvedType : nullptr; } |
| UnnamedType& resolvedType() |
| { |
| ASSERT(m_resolvedType); |
| return *m_resolvedType; |
| } |
| |
| void resolve(Ref<UnnamedType> type) |
| { |
| m_resolvedType = WTFMove(type); |
| } |
| |
| private: |
| RefPtr<UnnamedType> m_resolvedType; |
| }; |
| |
| } // namespace AST |
| |
| } |
| |
| } |
| |
| DEFINE_DEFAULT_DELETE(ResolvableType) |
| |
| SPECIALIZE_TYPE_TRAITS_WHLSL_TYPE(ResolvableType, isResolvableType()) |
| |
| #endif |