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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_AST_INTERNAL_DECORATION_H_
#define SRC_AST_INTERNAL_DECORATION_H_
#include <string>
#include "src/ast/decoration.h"
namespace tint {
namespace ast {
/// A decoration used to indicate that a function is tint-internal.
/// These decorations are not produced by generators, but instead are usually
/// created by transforms for consumption by a particular backend.
class InternalDecoration : public Castable<InternalDecoration, Decoration> {
public:
/// Constructor
/// @param program_id the identifier of the program that owns this node
explicit InternalDecoration(ProgramID program_id);
/// Destructor
~InternalDecoration() override;
/// @return a short description of the internal decoration which will be
/// displayed in WGSL as `[[internal(<name>)]]` (but is not parsable).
virtual std::string InternalName() const = 0;
/// @returns the WGSL name for the decoration
std::string Name() const override;
};
} // namespace ast
} // namespace tint
#endif // SRC_AST_INTERNAL_DECORATION_H_