diff options
| author | Zachary Ware <zachary.ware@gmail.com> | 2019-09-12 12:35:48 (GMT) |
|---|---|---|
| committer | Gregory P. Smith <greg@krypto.org> | 2019-09-12 12:35:48 (GMT) |
| commit | 3ab61473ba7f3dca32d779ec2766a4faa0657923 (patch) | |
| tree | 2657ab3fa643b71c0d3fad6bd071e474bbe982a7 /Include/pymacro.h | |
| parent | 224b8aaa7e8f67f748e8b7b6a4a77a25f6554651 (diff) | |
| download | cpython-3ab61473ba7f3dca32d779ec2766a4faa0657923.zip cpython-3ab61473ba7f3dca32d779ec2766a4faa0657923.tar.gz cpython-3ab61473ba7f3dca32d779ec2766a4faa0657923.tar.bz2 | |
Enhance Py_UNREACHABLE macro (GH-16032)
Diffstat (limited to 'Include/pymacro.h')
| -rw-r--r-- | Include/pymacro.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Include/pymacro.h b/Include/pymacro.h index 1890619..ae09063 100644 --- a/Include/pymacro.h +++ b/Include/pymacro.h @@ -100,6 +100,32 @@ # define Py_UNUSED(name) _unused_ ## name #endif +#if defined(RANDALL_WAS_HERE) +#define Py_UNREACHABLE() do { \ + fputs( \ + "ERROR:\n\n" \ + "If you're seeing this, the code is in what I thought was\n" \ + "an unreachable state.\n\n" \ + "I could give you advice for what to do, but honestly, why\n" \ + "should you trust me? I clearly screwed this up. I'm writing\n" \ + "a message that should never appear, yet I know it will\n" \ + "probably appear someday.\n\n" \ + "On a deep level, I know I'm not up to this task.\n" \ + "I'm so sorry.\n\n" \ + "https://xkcd.com/2200\n", stderr); \ + abort(); \ + } while(0) +#elif defined(Py_DEBUG) +#define Py_UNREACHABLE() do { \ + fputs( \ + "ERROR:\n\n" \ + "We've reached an unreachable state. Anything is possible.\n" \ + "The limits were in our heads all along. Follow your dreams.\n\n" \ + "https://xkcd.com/2200\n", stderr); \ + abort(); \ + } while(0) +#else #define Py_UNREACHABLE() abort() +#endif #endif /* Py_PYMACRO_H */ |