// 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
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#ifndef SRC_TINT_LANG_WGSL_AST_INCREMENT_DECREMENT_STATEMENT_H_
#define SRC_TINT_LANG_WGSL_AST_INCREMENT_DECREMENT_STATEMENT_H_

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

namespace tint::ast {

/// An increment or decrement statement
class IncrementDecrementStatement final
    : public utils::Castable<IncrementDecrementStatement, 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 lhs the LHS expression
    /// @param inc `true` for increment, `false` for decrement
    IncrementDecrementStatement(GenerationID pid,
                                NodeID nid,
                                const Source& src,
                                const Expression* lhs,
                                bool inc);

    /// Destructor
    ~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_LANG_WGSL_AST_INCREMENT_DECREMENT_STATEMENT_H_