// 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_AST_INCREMENT_DECREMENT_STATEMENT_H_
#define SRC_TINT_AST_INCREMENT_DECREMENT_STATEMENT_H_

#include "src/tint/ast/expression.h"
#include "src/tint/ast/statement.h"

namespace tint::ast {

/// An increment or decrement statement
class IncrementDecrementStatement final
    : public Castable<IncrementDecrementStatement, Statement> {
 public:
  /// Constructor
  /// @param pid the identifier of the program that owns this node
  /// @param src the source of this node
  /// @param lhs the LHS expression
  /// @param inc `true` for increment, `false` for decrement
  IncrementDecrementStatement(ProgramID pid,
                              const Source& src,
                              const Expression* lhs,
                              bool inc);
  /// Move constructor
  IncrementDecrementStatement(IncrementDecrementStatement&&);
  ~IncrementDecrementStatement() override;

  /// Clones this node and all transitive child nodes using the `CloneContext`
  /// `ctx`.
  /// @param ctx the clone context
  /// @return the newly cloned node
  const IncrementDecrementStatement* Clone(CloneContext* ctx) const override;

  /// The LHS expression.
  const Expression* const lhs;

  /// `true` for increment, `false` for decrement.
  bool increment;
};

}  // namespace tint::ast

#endif  // SRC_TINT_AST_INCREMENT_DECREMENT_STATEMENT_H_