clang 20.0.0git
ASTDiffInternal.h
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1//===- ASTDiffInternal.h --------------------------------------*- C++ -*- -===//
2//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef LLVM_CLANG_TOOLING_ASTDIFF_ASTDIFFINTERNAL_H
11#define LLVM_CLANG_TOOLING_ASTDIFF_ASTDIFFINTERNAL_H
12
14
15namespace clang {
16namespace diff {
17
19
20/// Within a tree, this identifies a node by its preorder offset.
21struct NodeId {
22private:
23 static constexpr int InvalidNodeId = -1;
24
25public:
26 int Id;
27
28 NodeId() : Id(InvalidNodeId) {}
29 NodeId(int Id) : Id(Id) {}
30
31 operator int() const { return Id; }
32 NodeId &operator++() { return ++Id, *this; }
33 NodeId &operator--() { return --Id, *this; }
34 // Support defining iterators on NodeId.
35 NodeId &operator*() { return *this; }
36
37 bool isValid() const { return Id != InvalidNodeId; }
38 bool isInvalid() const { return Id == InvalidNodeId; }
39};
40
41} // end namespace diff
42} // end namespace clang
43#endif
__device__ int
DynTypedNode DynTypedNode
The JSON file list parser is used to communicate input to InstallAPI.
Within a tree, this identifies a node by its preorder offset.
bool isValid() const
bool isInvalid() const