From 3f77c7691fc5ff92eef90f39bb972f25c7422fb0 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Wed, 29 Apr 2015 09:44:24 -0600 Subject: 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 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) : New field. gdb/doc/ChangeLog 2017-02-14 Tom Tromey PR python/13598: * python.texi (Events In Python): Document events.before_prompt. gdb/testsuite/ChangeLog 2017-02-14 Tom Tromey PR python/13598: * gdb.python/py-events.exp: Add before_prompt event tests. --- gdb/python/python.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'gdb/python/python.c') diff --git a/gdb/python/python.c b/gdb/python/python.c index f878f9a..73fb3d0 100644 --- a/gdb/python/python.c +++ b/gdb/python/python.c @@ -100,6 +100,7 @@ const struct extension_language_defn extension_language_python = #include "interps.h" #include "event-top.h" #include "py-ref.h" +#include "py-event.h" /* True if Python has been successfully initialized, false otherwise. */ @@ -969,6 +970,10 @@ gdbpy_before_prompt_hook (const struct extension_language_defn *extlang, gdbpy_enter enter_py (get_current_arch (), current_language); + if (!evregpy_no_listeners_p (gdb_py_events.before_prompt) + && evpy_emit_event (NULL, gdb_py_events.before_prompt) < 0) + return EXT_LANG_RC_ERROR; + if (gdb_python_module && PyObject_HasAttrString (gdb_python_module, "prompt_hook")) { -- cgit v1.1