// Copyright 2021 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_LOOP_STATEMENT_H_
#define SRC_TINT_SEM_LOOP_STATEMENT_H_

#include "src/tint/sem/block_statement.h"

// Forward declarations
namespace tint::ast {
class LoopStatement;
}  // namespace tint::ast

namespace tint::sem {

/// Holds semantic information about a loop statement
class LoopStatement final : public utils::Castable<LoopStatement, CompoundStatement> {
  public:
    /// Constructor
    /// @param declaration the AST node for this loop statement
    /// @param parent the owning statement
    /// @param function the owning function
    LoopStatement(const ast::LoopStatement* declaration,
                  const CompoundStatement* parent,
                  const sem::Function* function);

    /// Destructor
    ~LoopStatement() override;
};

/// Holds semantic information about a loop continuing block
class LoopContinuingBlockStatement final
    : public utils::Castable<LoopContinuingBlockStatement, BlockStatement> {
  public:
    /// Constructor
    /// @param declaration the AST node for this block statement
    /// @param parent the owning statement
    /// @param function the owning function
    LoopContinuingBlockStatement(const ast::BlockStatement* declaration,
                                 const CompoundStatement* parent,
                                 const sem::Function* function);

    /// Destructor
    ~LoopContinuingBlockStatement() override;

    /// @returns the AST node
    const ast::BlockStatement* Declaration() const;
};

}  // namespace tint::sem

#endif  // SRC_TINT_SEM_LOOP_STATEMENT_H_