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// Copyright 2020 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_AST_ALIAS_H_
#define SRC_TINT_AST_ALIAS_H_
#include <string>
#include "src/tint/ast/type.h"
#include "src/tint/ast/type_decl.h"
namespace tint::ast {
/// A type alias type. Holds a name and pointer to another type.
class Alias final : public Castable<Alias, TypeDecl> {
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 name the symbol for the alias
/// @param subtype the alias'd type
Alias(ProgramID pid, NodeID nid, const Source& src, const Identifier* name, Type subtype);
/// Destructor
~Alias() override;
/// Clones this type and all transitive types using the `CloneContext` `ctx`.
/// @param ctx the clone context
/// @return the newly cloned type
const Alias* Clone(CloneContext* ctx) const override;
/// the alias type
const Type type;
};
} // namespace tint::ast
#endif // SRC_TINT_AST_ALIAS_H_