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Centralize workaround for Python 2.6's Py_DECREF.

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Wrap/redefine Py_DECREF ourselves, avoiding the need for uses to care
about extra braces due to the fact that Python only started wrapping Py_DECREF
in 'do {} while (0)' after 2.6.

gdb/
2013-05-21  Pedro Alves  <palves@redhat.com>

	* python/py-utils.c (py_decref): Remove extra braces.
	(gdb_pymodule_addobject): Remove extra braces.
	* python-internal.h (gdb_Py_DECREF): New static inline function.
	(Py_DECREF): Redefine as calling gdb_Py_DECREF.
This commit is contained in:
Pedro Alves
2013-05-21 20:52:30 +00:00
parent 52c935b6f5
commit 1915daebe6
3 changed files with 21 additions and 9 deletions
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12
gdb/python/python-internal.h
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@ -169,6 +169,18 @@ typedef unsigned long gdb_py_ulongest;
#endif /* HAVE_LONG_LONG */
/* Python 2.6 did not wrap Py_DECREF in 'do {...} while (0)', leading
to 'suggest explicit braces to avoid ambiguous ‘else’' gcc errors.
Wrap it ourselves, so that callers don't need to care. */
static inline void
gdb_Py_DECREF (void *op)
{
Py_DECREF (op);
}
#undef Py_DECREF
#define Py_DECREF(op) gdb_Py_DECREF (op)
/* In order to be able to parse symtab_and_line_to_sal_object function
a real symtab_and_line structure is needed. */