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// Copyright 2022 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0(the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_TINT_SEM_WHILE_STATEMENT_H_
#define SRC_TINT_SEM_WHILE_STATEMENT_H_
#include "src/tint/sem/statement.h"
// Forward declarations
namespace tint::ast {
class WhileStatement;
} // namespace tint::ast
namespace tint::sem {
class ValueExpression;
} // namespace tint::sem
namespace tint::sem {
/// Holds semantic information about a while statement
class WhileStatement final : public Castable<WhileStatement, CompoundStatement> {
public:
/// Constructor
/// @param declaration the AST node for this while statement
/// @param parent the owning statement
/// @param function the owning function
WhileStatement(const ast::WhileStatement* declaration,
const CompoundStatement* parent,
const sem::Function* function);
/// Destructor
~WhileStatement() override;
/// @returns the AST node
const ast::WhileStatement* Declaration() const;
/// @returns the whilecondition expression
const ValueExpression* Condition() const { return condition_; }
/// Sets the while condition expression
/// @param condition the while condition expression
void SetCondition(const ValueExpression* condition) { condition_ = condition; }
private:
const ValueExpression* condition_ = nullptr;
};
} // namespace tint::sem
#endif // SRC_TINT_SEM_WHILE_STATEMENT_H_