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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_NODE_H_
#define SRC_TINT_AST_NODE_H_
#include <string>
#include "src/tint/ast/node_id.h"
#include "src/tint/clone_context.h"
namespace tint::ast {
/// AST base class node
class Node : public Castable<Node, Cloneable> {
public:
~Node() override;
/// The identifier of the program that owns this node
const ProgramID program_id;
/// The node identifier, unique for the program.
const NodeID node_id;
/// The node source data
const Source source;
protected:
/// Create a new node
/// @param pid the identifier of the program that owns this node
/// @param nid the unique node identifier
/// @param src the input source for the node
Node(ProgramID pid, NodeID nid, const Source& src);
/// Move constructor
Node(Node&&);
private:
Node(const Node&) = delete;
};
} // namespace tint::ast
namespace tint {
/// @param node a pointer to an AST node
/// @returns the ProgramID of the given AST node.
inline ProgramID ProgramIDOf(const ast::Node* node) {
return node ? node->program_id : ProgramID();
}
} // namespace tint
#endif // SRC_TINT_AST_NODE_H_