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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. 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
#include "ASTExpression.h"
namespace WGSL::AST {
struct Continuing {
Statement::List body;
Attribute::List attributes;
Expression::Ptr breakIf;
};
class LoopStatement final : public Statement {
WGSL_AST_BUILDER_NODE(LoopStatement);
public:
NodeKind kind() const override;
Attribute::List& attributes() { return m_attributes; }
Statement::List& body() { return m_body; }
std::optional<Continuing>& continuing() { return m_continuing; }
void setContainsSwitch() { m_containsSwitch = true; }
bool containsSwitch() const { return m_containsSwitch; }
private:
LoopStatement(SourceSpan span, Attribute::List&& attributes, Statement::List&& body, std::optional<Continuing>&& continuing)
: Statement(span)
, m_attributes(WTFMove(attributes))
, m_body(WTFMove(body))
, m_continuing(WTFMove(continuing))
{ }
Attribute::List m_attributes;
Statement::List m_body;
std::optional<Continuing> m_continuing;
bool m_containsSwitch { false };
};
} // namespace WGSL::AST
SPECIALIZE_TYPE_TRAITS_WGSL_AST(LoopStatement)
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