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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 "ASTStatement.h"
namespace WGSL::AST {
struct SwitchClause {
AST::Expression::List selectors;
AST::CompoundStatement::Ref body;
};
class SwitchStatement final : public Statement {
WGSL_AST_BUILDER_NODE(SwitchStatement);
public:
NodeKind kind() const final;
Expression& value() { return m_value.get(); }
Attribute::List& valueAttributes() { return m_valueAttributes; }
Vector<SwitchClause>& clauses() { return m_clauses; }
SwitchClause& defaultClause() { return m_defaultClause; }
bool isInsideLoop() const { return m_isInsideLoop; }
void setIsInsideLoop() { m_isInsideLoop = true;; }
bool isNestedInsideLoop() const { return m_isNestedInsideLoop; }
void setIsNestedInsideLoop() { m_isNestedInsideLoop = true; }
private:
SwitchStatement(SourceSpan span, AST::Expression::Ref&& value, AST::Attribute::List&& valueAttributes, Vector<SwitchClause>&& clauses, SwitchClause&& defaultClause)
: Statement(span)
, m_value(WTFMove(value))
, m_valueAttributes(WTFMove(valueAttributes))
, m_clauses(WTFMove(clauses))
, m_defaultClause(WTFMove(defaultClause))
{ }
bool m_isInsideLoop { false };
bool m_isNestedInsideLoop { false };
Expression::Ref m_value;
Attribute::List m_valueAttributes;
Vector<SwitchClause> m_clauses;
SwitchClause m_defaultClause;
};
} // namespace WGSL::AST
SPECIALIZE_TYPE_TRAITS_WGSL_AST(SwitchStatement)
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