| Issue |
80374
|
| Summary |
Include Regrouping May Break If Macros Inserted Between Groups
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
GreenYun
|
I have configured clang-format:
```yaml
IncludeBlocks: Regroup
IncludeCategories:
- Regex: '^["<]config.h[">]$'
Priority: -1
CaseSensitive: true
- Regex: '^<ext/.*\.h>$'
Priority: 2
CaseSensitive: false
- Regex: '^<.*'
Priority: 2
CaseSensitive: false
- Regex: '.*'
Priority: 10
CaseSensitive: false
```
And my C code `a.c`:
```c
#include "config.h"
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include "a.h"
#include <stdio.h>
#include <stdlib.h>
#include "b.h"
```
However, clang-format (version 17.0.6) may not treat `a.h` as the main header but match `a.h` to regex `'.*'`:
```c
#include "config.h"
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdio.h>
#include <stdlib.h>
#include "a.h"
#include "b.h"
```
Meanwhile, if I remove the `#ifndef` block, everything works fine.
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