Description

sobolevn

opened on Dec 13, 2022

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I think that #100010 is the source.

Example: e4ea33b

I think we should do #undef ERROR beforehand.
Will send a PR!

Linked PRs

• gh-100213: ERROR macro is reported to be implictly redefined #100214

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1. sobolevn

   added

   type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

   interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

   on Dec 13, 2022
2. sobolevn

   added a commit that references this issue on Dec 13, 2022

   pythongh-100213: `ERROR` macro is reported to be implictly redefined

   99f84fd
3. markshannon commented on Dec 13, 2022

   

   markshannon

   on Dec 13, 2022

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   OOI, do we know where ERROR is previously defined?
4. sobolevn commented on Dec 13, 2022

   

   sobolevn

   on Dec 13, 2022

   MemberAuthor

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   It is not in sources:

   » ag '#define ERROR'
   Python/compile.c
   59:#define ERROR -1
   
   Python/bytecodes.c
   67:#define ERROR_IF(cond, labelname) ((void)0)
   
   Python/modsupport.c
   283:#define ERROR_NEED_PY_SSIZE_T_CLEAN \
   
   Include/internal/pycore_token.h
   76:#define ERRORTOKEN      60
   
   Modules/cjkcodecs/multibytecodec.h
   120:#define ERROR_STRICT            (PyObject *)(1)
   121:#define ERROR_IGNORE            (PyObject *)(2)
   122:#define ERROR_REPLACE           (PyObject *)(3)
   123:#define ERROR_ISCUSTOM(p)       ((p) < ERROR_STRICT || ERROR_REPLACE < (p))
   124:#define ERROR_DECREF(p)                             \
   
   
5. kumaraditya303 commented on Dec 13, 2022

   

   kumaraditya303

   on Dec 13, 2022

   Contributor

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   Fixed by #100215
6. kumaraditya303

   closed this as completedon Dec 13, 2022
7. eryksun commented on Dec 13, 2022

   

   eryksun

   on Dec 13, 2022

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   OOI, do we know where ERROR is previously defined?

   The "windows.h" header includes "wingdi.h", which defines ERROR as a region flag with the value 0. This header gets included by "Include/internal/pycore_condvar.h":

   cpython/Include/internal/pycore_condvar.h

   Lines 39 to 41 in 985a710

   	/* include windows if it hasn't been done before */
   	#define WIN32_LEAN_AND_MEAN
   	#include <windows.h>

   In turn, it's included by "Include/internal/pcore_gil.h", which is included by "Include/internal/pycore_runtime.h", which is included by many files.

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