1berry/cpython
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Enhance Py_UNREACHABLE macro (GH-16032)

Browse Source
This commit is contained in:
Zachary Ware 2019-09-12 13:35:48 +01:00 committed by Gregory P. Smith
parent 224b8aaa7e
commit 3ab61473ba
1 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
Include/pymacro.h
View File

@ -100,6 +100,32 @@
# define Py_UNUSED(name) _unused_ ## name # define Py_UNUSED(name) _unused_ ## name
#endif #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() #define Py_UNREACHABLE() abort()
#endif
#endif /* Py_PYMACRO_H */ #endif /* Py_PYMACRO_H */