| /* |
| * 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 "WHLSLCodeLocation.h" |
| #include "WHLSLDefaultDelete.h" |
| #include <wtf/FastMalloc.h> |
| #include <wtf/UniqueRef.h> |
| |
| namespace WebCore { |
| |
| namespace WHLSL { |
| |
| namespace AST { |
| |
| class Statement { |
| WTF_MAKE_FAST_ALLOCATED; |
| |
| protected: |
| ~Statement() = default; |
| |
| public: |
| enum class Kind : uint8_t { |
| Block, |
| Break, |
| Continue, |
| DoWhileLoop, |
| EffectfulExpression, |
| Fallthrough, |
| ForLoop, |
| If, |
| Return, |
| StatementList, |
| SwitchCase, |
| Switch, |
| VariableDeclarations, |
| WhileLoop, |
| }; |
| Statement(CodeLocation codeLocation, Kind kind) |
| : m_codeLocation(codeLocation) |
| , m_kind(kind) |
| { |
| } |
| |
| static void destroy(Statement&); |
| static void destruct(Statement&); |
| |
| Statement(const Statement&) = delete; |
| Statement(Statement&&) = default; |
| |
| Kind kind() const { return m_kind; } |
| |
| bool isBlock() const { return kind() == Kind::Block; } |
| bool isBreak() const { return kind() == Kind::Break; } |
| bool isContinue() const { return kind() == Kind::Continue; } |
| bool isDoWhileLoop() const { return kind() == Kind::DoWhileLoop; } |
| bool isEffectfulExpressionStatement() const { return kind() == Kind::EffectfulExpression; } |
| bool isFallthrough() const { return kind() == Kind::Fallthrough; } |
| bool isForLoop() const { return kind() == Kind::ForLoop; } |
| bool isIfStatement() const { return kind() == Kind::If; } |
| bool isReturn() const { return kind() == Kind::Return; } |
| bool isStatementList() const { return kind() == Kind::StatementList; } |
| bool isSwitchCase() const { return kind() == Kind::SwitchCase; } |
| bool isSwitchStatement() const { return kind() == Kind::Switch; } |
| bool isVariableDeclarationsStatement() const { return kind() == Kind::VariableDeclarations; } |
| bool isWhileLoop() const { return kind() == Kind::WhileLoop; } |
| |
| CodeLocation codeLocation() const { return m_codeLocation; } |
| void updateCodeLocation(CodeLocation location) { m_codeLocation = location; } |
| |
| private: |
| CodeLocation m_codeLocation; |
| Kind m_kind; |
| }; |
| |
| using Statements = Vector<UniqueRef<Statement>>; |
| |
| } |
| |
| } |
| |
| } |
| |
| DEFINE_DEFAULT_DELETE(Statement) |
| |
| #define SPECIALIZE_TYPE_TRAITS_WHLSL_STATEMENT(ToValueTypeName, predicate) \ |
| SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::WHLSL::AST::ToValueTypeName) \ |
| static bool isType(const WebCore::WHLSL::AST::Statement& statement) { return statement.predicate; } \ |
| SPECIALIZE_TYPE_TRAITS_END() |
| |
| #endif |