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Move exc state to generator. Fixes bpo-25612 (#1773)

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Move exception state information from frame objects to coroutine (generator/thread) object where it belongs.
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Mark Shannon 2017-10-22 22:41:51 +01:00 • committed by Antoine Pitrou
parent 91dc64ba3f
commit ae3087c638
13 changed files with 188 additions and 164 deletions
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8
Include/frameobject.h
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@ -30,14 +30,6 @@ typedef struct _frame {
char f_trace_lines; /* Emit per-line trace events? */
char f_trace_opcodes; /* Emit per-opcode trace events? */
/* In a generator, we need to be able to swap between the exception
state inside the generator and the exception state of the calling
frame (which shouldn't be impacted when the generator "yields"
from an except handler).
These three fields exist exactly for that, and are unused for
non-generator frames. See the save_exc_state and swap_exc_state
functions in ceval.c for details of their use. */
PyObject *f_exc_type, *f_exc_value, *f_exc_traceback;
/* Borrowed reference to a generator, or NULL */
PyObject *f_gen;