| /* |
| * 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 "WHLSLDefaultDelete.h" |
| #include <wtf/FastMalloc.h> |
| #include <wtf/TypeCasts.h> |
| |
| namespace WebCore { |
| |
| namespace WHLSL { |
| |
| namespace AST { |
| |
| class Type { |
| WTF_MAKE_FAST_ALLOCATED; |
| |
| protected: |
| ~Type() = default; |
| |
| public: |
| enum class Kind : uint8_t { |
| // UnnamedTypes |
| TypeReference, |
| Pointer, |
| ArrayReference, |
| Array, |
| // NamedTypes |
| TypeDefinition, |
| StructureDefinition, |
| EnumerationDefinition, |
| NativeTypeDeclaration, |
| // ResolvableTypes |
| FloatLiteral, |
| IntegerLiteral, |
| UnsignedIntegerLiteral, |
| }; |
| |
| Type(Kind kind) |
| : m_kind(kind) |
| { } |
| static void destroy(Type&); |
| static void destruct(Type&); |
| |
| explicit Type(const Type&) = delete; |
| Type(Type&&) = default; |
| |
| Type& operator=(const Type&) = delete; |
| Type& operator=(Type&&) = default; |
| |
| Kind kind() const { return m_kind; } |
| |
| bool isUnnamedType() const { return kind() >= Kind::TypeReference && kind() <= Kind::Array; } |
| bool isNamedType() const { return kind() >= Kind::TypeDefinition && kind() <= Kind::NativeTypeDeclaration; } |
| bool isResolvableType() const { return kind() >= Kind::FloatLiteral && kind() <= Kind::UnsignedIntegerLiteral; } |
| |
| bool isTypeReference() const { return kind() == Kind::TypeReference; } |
| bool isPointerType() const { return kind() == Kind::Pointer; } |
| bool isArrayReferenceType() const { return kind() == Kind::ArrayReference; } |
| bool isArrayType() const { return kind() == Kind::Array; } |
| bool isReferenceType() const { return isPointerType() || isArrayReferenceType(); } |
| |
| bool isTypeDefinition() const { return kind() == Kind::TypeDefinition; } |
| bool isStructureDefinition() const { return kind() == Kind::StructureDefinition; } |
| bool isEnumerationDefinition() const { return kind() == Kind::EnumerationDefinition; } |
| bool isNativeTypeDeclaration() const { return kind() == Kind::NativeTypeDeclaration; } |
| |
| bool isFloatLiteralType() const { return kind() == Kind::FloatLiteral; } |
| bool isIntegerLiteralType() const { return kind() == Kind::IntegerLiteral; } |
| bool isUnsignedIntegerLiteralType() const { return kind() == Kind::UnsignedIntegerLiteral; } |
| |
| Type& unifyNode(); |
| const Type& unifyNode() const |
| { |
| return const_cast<Type*>(this)->unifyNode(); |
| } |
| |
| private: |
| Kind m_kind; |
| }; |
| |
| } // namespace AST |
| |
| } |
| |
| } |
| |
| DEFINE_DEFAULT_DELETE(Type) |
| |
| #define SPECIALIZE_TYPE_TRAITS_WHLSL_TYPE(ToValueTypeName, predicate) \ |
| SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::WHLSL::AST::ToValueTypeName) \ |
| static bool isType(const WebCore::WHLSL::AST::Type& type) { return type.predicate; } \ |
| SPECIALIZE_TYPE_TRAITS_END() |
| |
| #endif |