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// 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_SEM_BEHAVIOR_H_
#define SRC_SEM_BEHAVIOR_H_
#include "src/utils/enum_set.h"
namespace tint {
namespace sem {
/// Behavior enumerates the possible behaviors of an expression or statement.
/// @see https://www.w3.org/TR/WGSL/#behaviors
enum class Behavior {
kReturn,
kDiscard,
kBreak,
kContinue,
kFallthrough,
kNext,
};
/// Behaviors is a set of Behavior
using Behaviors = utils::EnumSet<Behavior>;
/// Writes the Behavior to the std::ostream.
/// @param out the std::ostream to write to
/// @param behavior the Behavior to write
/// @returns out so calls can be chained
std::ostream& operator<<(std::ostream& out, Behavior behavior);
} // namespace sem
} // namespace tint
#endif // SRC_SEM_BEHAVIOR_H_