1//===- CXString.h - Routines for manipulating CXStrings -------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines routines for manipulating CXStrings.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CLANG_TOOLS_LIBCLANG_INDEX_INTERNAL_H
14#define LLVM_CLANG_TOOLS_LIBCLANG_INDEX_INTERNAL_H
15
16#include "clang-c/Index.h"
17
18#ifndef __has_feature
19#define __has_feature(x) 0
20#endif
21
22#if __has_feature(blocks)
23
24#define INVOKE_BLOCK2(block, arg1, arg2) block(arg1, arg2)
25
26#else
27// If we are compiled with a compiler that doesn't have native blocks support,
28// define and call the block manually.
29
30#define INVOKE_BLOCK2(block, arg1, arg2) block->invoke(block, arg1, arg2)
31
32typedef struct _CXCursorAndRangeVisitorBlock {
33 void *isa;
34 int flags;
35 int reserved;
36 enum CXVisitorResult (*invoke)(_CXCursorAndRangeVisitorBlock *,
37 CXCursor, CXSourceRange);
38} *CXCursorAndRangeVisitorBlock;
39
40#endif // !__has_feature(blocks)
41
42/// The result of comparing two source ranges.
43enum RangeComparisonResult {
44 /// Either the ranges overlap or one of the ranges is invalid.
45 RangeOverlap,
46
47 /// The first range ends before the second range starts.
48 RangeBefore,
49
50 /// The first range starts after the second range ends.
51 RangeAfter
52};
53
54#endif
55