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// 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_LANG_WGSL_AST_ID_ATTRIBUTE_H_
#define SRC_TINT_LANG_WGSL_AST_ID_ATTRIBUTE_H_
#include <string>
#include "src/tint/lang/wgsl/ast/attribute.h"
#include "src/tint/lang/wgsl/ast/expression.h"
namespace tint::ast {
/// An id attribute for pipeline-overridable constants
class IdAttribute final : public Castable<IdAttribute, Attribute> {
public:
/// Create an id attribute.
/// @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 expr the numeric id expression
IdAttribute(GenerationID pid, NodeID nid, const Source& src, const Expression* expr);
~IdAttribute() override;
/// @returns the WGSL name for the attribute
std::string Name() const override;
/// Clones this node and all transitive child nodes using the `CloneContext`
/// `ctx`.
/// @param ctx the clone context
/// @return the newly cloned node
const IdAttribute* Clone(CloneContext& ctx) const override;
/// The id expression
const Expression* const expr;
};
} // namespace tint::ast
#endif // SRC_TINT_LANG_WGSL_AST_ID_ATTRIBUTE_H_