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// Copyright 2020 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_AST_IF_STATEMENT_H_
#define SRC_TINT_AST_IF_STATEMENT_H_
#include <utility>
#include "src/tint/ast/block_statement.h"
#include "src/tint/ast/expression.h"
namespace tint::ast {
/// An if statement
class IfStatement final : public Castable<IfStatement, Statement> {
public:
/// Constructor
/// @param pid the identifier of the program that owns this node
/// @param nid the unique node identifier
/// @param src the source of this node
/// @param condition the if condition
/// @param body the if body
/// @param else_stmt the else statement, or nullptr
IfStatement(ProgramID pid,
NodeID nid,
const Source& src,
const Expression* condition,
const BlockStatement* body,
const Statement* else_stmt);
/// Move constructor
IfStatement(IfStatement&&);
~IfStatement() override;
/// Clones this node and all transitive child nodes using the `CloneContext`
/// `ctx`.
/// @param ctx the clone context
/// @return the newly cloned node
const IfStatement* Clone(CloneContext* ctx) const override;
/// The if condition or nullptr if none set
const Expression* const condition;
/// The if body
const BlockStatement* const body;
/// The optional else statement, or nullptr
const Statement* else_statement;
};
} // namespace tint::ast
#endif // SRC_TINT_AST_IF_STATEMENT_H_