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Make it simpler to add events to Python

Browse source 
The first patch in this series went through several iterations as I'd
forgotten how many places had to be touched to add a new event and a
new event type.

This patch simplifies the process using two new ".def" files.  Now, a
new event type can be added by adding a line to "py-event-types.def",
and a new event registry can be added by adding a line to
"py-all-events.def".

ChangeLog
2017-09-11  Tom Tromey  <tom@tromey.com>

	* python/python.c (do_start_initialization): Use
	py-event-types.def to initialize types.
	Define all object type structures.
	* python/python-internal.h: Don't declare event initialization
	functions.
	* python/py-threadevent.c (thread_event_object_type): Don't
	define.
	* python/py-stopevent.c (stop_event_object_type): Don't define.
	* python/py-signalevent.c (signal_event_object_type): Don't
	declare or define.
	* python/py-newobjfileevent.c (new_objfile_event_object_type)
	(clear_objfiles_event_object_type): Don't declare or define.
	* python/py-infevents.c (inferior_call_pre_event_object_type)
	(inferior_call_post_event_object_type)
	(register_changed_event_object_type)
	(memory_changed_event_object_type): Don't declare or define.
	* python/py-inferior.c (new_thread_event_object_type)
	(new_inferior_event_object_type)
	(inferior_deleted_event_object_type): Don't declare or define.
	* python/py-exitedevent.c (exited_event_object_type): Don't
	declare or define.
	* python/py-evts.c (gdbpy_initialize_py_events): Use
	py-all-events.def.
	* python/py-events.h (thread_event_object_type): Don't declare.
	(events_object): Use py-all-events.def.
	* python/py-event.h (GDBPY_NEW_EVENT_TYPE): Remove.  Use
	py-event-types.def.
	* python/py-event-types.def: New file.
	* python/py-continueevent.c (create_continue_event_object): Don't
	declare or define.
	* python/py-bpevent.c (breakpoint_event_object_type): Don't
	declare or define.
	* python/py-all-events.def: New file.
This commit is contained in:
Tom Tromey 2017-09-08 15:38:12 -06:00
parent 35c61a1dd5
commit 7d221d749c
17 changed files with 250 additions and 303 deletions
Download patch file Download diff file Expand all files Collapse all files

68
gdb/python/python.c
View file

@ -1591,26 +1591,17 @@ do_start_initialization ()
|| gdbpy_initialize_eventregistry () < 0
|| gdbpy_initialize_py_events () < 0
|| gdbpy_initialize_event () < 0
|| gdbpy_initialize_stop_event () < 0
|| gdbpy_initialize_signal_event () < 0
|| gdbpy_initialize_breakpoint_event () < 0
|| gdbpy_initialize_continue_event () < 0
|| gdbpy_initialize_inferior_call_pre_event () < 0
|| gdbpy_initialize_inferior_call_post_event () < 0
|| gdbpy_initialize_register_changed_event () < 0
|| gdbpy_initialize_memory_changed_event () < 0
|| gdbpy_initialize_exited_event () < 0
|| gdbpy_initialize_thread_event () < 0
|| gdbpy_initialize_new_objfile_event () < 0
|| gdbpy_initialize_clear_objfiles_event () < 0
|| gdbpy_initialize_new_inferior_event () < 0
|| gdbpy_initialize_inferior_deleted_event () < 0
|| gdbpy_initialize_new_thread_event () < 0
|| gdbpy_initialize_arch () < 0
|| gdbpy_initialize_xmethods () < 0
|| gdbpy_initialize_unwind () < 0)
return false;
#define GDB_PY_DEFINE_EVENT_TYPE(name, py_name, doc, base) \
if (gdbpy_initialize_event_generic (&name##_event_object_type, py_name) < 0) \
return false;
#include "py-event-types.def"
#undef GDB_PY_DEFINE_EVENT_TYPE
gdbpy_to_string_cst = PyString_FromString ("to_string");
if (gdbpy_to_string_cst == NULL)
return false;
@ -1963,4 +1954,51 @@ struct PyModuleDef python_GdbModuleDef =
NULL
};
#endif
/* Define all the event objects. */
#define GDB_PY_DEFINE_EVENT_TYPE(name, py_name, doc, base) \
PyTypeObject name##_event_object_type \
CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object") \
= { \
PyVarObject_HEAD_INIT (NULL, 0) \
"gdb." py_name, /* tp_name */ \
sizeof (event_object), /* tp_basicsize */ \
0, /* tp_itemsize */ \
evpy_dealloc, /* tp_dealloc */ \
0, /* tp_print */ \
0, /* tp_getattr */ \
0, /* tp_setattr */ \
0, /* tp_compare */ \
0, /* tp_repr */ \
0, /* tp_as_number */ \
0, /* tp_as_sequence */ \
0, /* tp_as_mapping */ \
0, /* tp_hash */ \
0, /* tp_call */ \
0, /* tp_str */ \
0, /* tp_getattro */ \
0, /* tp_setattro */ \
0, /* tp_as_buffer */ \
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ \
doc, /* tp_doc */ \
0, /* tp_traverse */ \
0, /* tp_clear */ \
0, /* tp_richcompare */ \
0, /* tp_weaklistoffset */ \
0, /* tp_iter */ \
0, /* tp_iternext */ \
0, /* tp_methods */ \
0, /* tp_members */ \
0, /* tp_getset */ \
&base, /* tp_base */ \
0, /* tp_dict */ \
0, /* tp_descr_get */ \
0, /* tp_descr_set */ \
0, /* tp_dictoffset */ \
0, /* tp_init */ \
0 /* tp_alloc */ \
};
#include "py-event-types.def"
#undef GDB_PY_DEFINE_EVENT_TYPE
#endif /* HAVE_PYTHON */