PR python/13598 - add before_prompt event

This adds an event that is emitted just before GDB presents a prompt
to the user.  This provides Python code a way to react to whatever
changes might have been made by the previous command.  For example, in
my GUI I use this to track changes to the selected frame and reflect
them in the UI.

Built and regtested on x86-64 Fedora 23.

gdb/ChangeLog
2017-02-14  Tom Tromey  <tom@tromey.com>

	PR python/13598:
	* python/python.c (gdbpy_before_prompt_hook): Emit before_prompt
	event.
	* python/py-evts.c (gdbpy_initialize_py_events): Add
	before_prompt registry.
	* python/py-events.h (events_object) <before_prompt>: New field.

gdb/doc/ChangeLog
2017-02-14  Tom Tromey  <tom@tromey.com>

	PR python/13598:
	* python.texi (Events In Python): Document events.before_prompt.

gdb/testsuite/ChangeLog
2017-02-14  Tom Tromey  <tom@tromey.com>

	PR python/13598:
	* gdb.python/py-events.exp: Add before_prompt event tests.
This commit is contained in:
Tom Tromey 2015-04-29 09:44:24 -06:00
parent 075beec08a
commit 3f77c7691f
8 changed files with 57 additions and 0 deletions

View file

@ -53,6 +53,7 @@ typedef struct
eventregistry_object *breakpoint_created;
eventregistry_object *breakpoint_deleted;
eventregistry_object *breakpoint_modified;
eventregistry_object *before_prompt;
PyObject *module;