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gdb/

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* python/py-breakpoint.c (bppy_set_condition): New comment.
	* python/py-cmd.c (cmdpy_function): Call also gdbpy_print_stack for
	failed PyUnicode_Decode.
	(cmdpy_completer): Skip element for failed
	python_string_to_host_string.
	(cmdpy_init): Return -1 on failed python_string_to_host_string.
	* python/py-frame.c (frapy_read_var): Extend the function comment.
	* python/py-function.c (fnpy_init): Return -1 on failed
	python_string_to_host_string.
	* python/py-inferior.c (infpy_read_memory, infpy_write_memory): Extend
	the function comment.
	(infpy_search_memory): Extend the function comment.  Remove the
	PyErr_SetString call on already set error state.
	* python/py-param.c (set_parameter_value): Extend the function
	comment.  Return -1 on failed python_string_to_host_string, twice.
	(set_attr): Extend the function comment.
	(compute_enum_values): Extend the function comment.  New variable
	back_to.  Protect self->enumeration by BACK_TO cleanups.  Return 0 on
	failed python_string_to_host_string.
	(get_doc_string): Call gdbpy_print_stack on failed
	python_string_to_host_string.
	(parmpy_init): Extend the function comment.
	* python/py-prettyprint.c (pretty_print_one_value): Likewise.
	(gdbpy_get_display_hint, print_children): Call gdbpy_print_stack on
	failed python_string_to_host_string.
	* python/py-value.c (valpy_new, valpy_getitem, valpy_call)
	(valpy_binop, valpy_richcompare): Extend the function comment.
	* python/python.c
	(struct python_env) <error_type, error_value, error_traceback>: New
	fields.
	(restore_python_env): Handle PyErr_Occurred.  Call PyErr_Restore.
	(ensure_python_env): Call PyErr_Fetch.
	* varobj.c (update_dynamic_varobj_children): Call gdbpy_print_stack on
	failed convert_value_from_python.
	(value_get_print_value): Call gdbpy_print_stack on failed
	python_string_to_target_python_string.

gdb/testsuite/
	* gdb.python/py-error.exp: New file.
	* gdb.python/py-error.py: New file.
This commit is contained in:
Jan Kratochvil
2010-10-13 13:24:40 +00:00
parent a071456ba8
commit 8dc785338e
14 changed files with 241 additions and 34 deletions
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14
gdb/python/python.c
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@ -79,6 +79,7 @@ struct python_env
PyGILState_STATE state;
struct gdbarch *gdbarch;
const struct language_defn *language;
PyObject *error_type, *error_value, *error_traceback;
};
static void
@ -86,6 +87,16 @@ restore_python_env (void *p)
{
struct python_env *env = (struct python_env *)p;
/* Leftover Python error is forbidden by Python Exception Handling. */
if (PyErr_Occurred ())
{
/* This order is similar to the one calling error afterwards. */
gdbpy_print_stack ();
warning (_("internal error: Unhandled Python exception"));
}
PyErr_Restore (env->error_type, env->error_value, env->error_traceback);
PyGILState_Release (env->state);
python_gdbarch = env->gdbarch;
python_language = env->language;
@ -108,6 +119,9 @@ ensure_python_env (struct gdbarch *gdbarch,
python_gdbarch = gdbarch;
python_language = language;
/* Save it and ensure ! PyErr_Occurred () afterwards. */
PyErr_Fetch (&env->error_type, &env->error_value, &env->error_traceback);
return make_cleanup (restore_python_env, env);
}