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-rw-r--r--gdb/ChangeLog7
-rw-r--r--gdb/python/py-cmd.c48
-rw-r--r--gdb/python/py-function.c51
-rw-r--r--gdb/python/py-utils.c56
-rw-r--r--gdb/python/python-internal.h1
5 files changed, 66 insertions, 97 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f887159..cbbd146 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,12 @@
2018-09-23 Tom Tromey <tom@tromey.com>
+ * python/py-function.c (fnpy_call): Use gdbpy_handle_exception.
+ * python/py-cmd.c (cmdpy_function): Use gdbpy_handle_exception.
+ * python/python-internal.h (gdbpy_handle_exception): Declare.
+ * python/py-utils.c (gdbpy_handle_exception): New function.
+
+2018-09-23 Tom Tromey <tom@tromey.com>
+
PR python/17284:
* python/py-type.c (typy_template_argument): Check for negative
argument number.
diff --git a/gdb/python/py-cmd.c b/gdb/python/py-cmd.c
index 27c4689..e7eb66f 100644
--- a/gdb/python/py-cmd.c
+++ b/gdb/python/py-cmd.c
@@ -145,53 +145,7 @@ cmdpy_function (struct cmd_list_element *command,
NULL));
if (result == NULL)
- {
- PyObject *ptype, *pvalue, *ptraceback;
-
- PyErr_Fetch (&ptype, &pvalue, &ptraceback);
-
- /* Try to fetch an error message contained within ptype, pvalue.
- When fetching the error message we need to make our own copy,
- we no longer own ptype, pvalue after the call to PyErr_Restore. */
-
- gdb::unique_xmalloc_ptr<char>
- msg (gdbpy_exception_to_string (ptype, pvalue));
-
- if (msg == NULL)
- {
- /* An error occurred computing the string representation of the
- error message. This is rare, but we should inform the user. */
- printf_filtered (_("An error occurred in a Python command\n"
- "and then another occurred computing the "
- "error message.\n"));
- gdbpy_print_stack ();
- }
-
- /* Don't print the stack for gdb.GdbError exceptions.
- It is generally used to flag user errors.
-
- We also don't want to print "Error occurred in Python command"
- for user errors. However, a missing message for gdb.GdbError
- exceptions is arguably a bug, so we flag it as such. */
-
- if (! PyErr_GivenExceptionMatches (ptype, gdbpy_gdberror_exc)
- || msg == NULL || *msg == '\0')
- {
- PyErr_Restore (ptype, pvalue, ptraceback);
- gdbpy_print_stack ();
- if (msg != NULL && *msg != '\0')
- error (_("Error occurred in Python command: %s"), msg.get ());
- else
- error (_("Error occurred in Python command."));
- }
- else
- {
- Py_XDECREF (ptype);
- Py_XDECREF (pvalue);
- Py_XDECREF (ptraceback);
- error ("%s", msg.get ());
- }
- }
+ gdbpy_handle_exception ();
}
/* Helper function for the Python command completers (both "pure"
diff --git a/gdb/python/py-function.c b/gdb/python/py-function.c
index c461231..1900f0f 100644
--- a/gdb/python/py-function.c
+++ b/gdb/python/py-function.c
@@ -83,56 +83,7 @@ fnpy_call (struct gdbarch *gdbarch, const struct language_defn *language,
}
if (result == NULL)
- {
- PyObject *ptype, *pvalue, *ptraceback;
-
- PyErr_Fetch (&ptype, &pvalue, &ptraceback);
-
- /* Try to fetch an error message contained within ptype, pvalue.
- When fetching the error message we need to make our own copy,
- we no longer own ptype, pvalue after the call to PyErr_Restore. */
-
- gdb::unique_xmalloc_ptr<char>
- msg (gdbpy_exception_to_string (ptype, pvalue));
-
- if (msg == NULL)
- {
- /* An error occurred computing the string representation of the
- error message. This is rare, but we should inform the user. */
-
- printf_filtered (_("An error occurred in a Python "
- "convenience function\n"
- "and then another occurred computing the "
- "error message.\n"));
- gdbpy_print_stack ();
- }
-
- /* Don't print the stack for gdb.GdbError exceptions.
- It is generally used to flag user errors.
-
- We also don't want to print "Error occurred in Python command"
- for user errors. However, a missing message for gdb.GdbError
- exceptions is arguably a bug, so we flag it as such. */
-
- if (!PyErr_GivenExceptionMatches (ptype, gdbpy_gdberror_exc)
- || msg == NULL || *msg == '\0')
- {
- PyErr_Restore (ptype, pvalue, ptraceback);
- gdbpy_print_stack ();
- if (msg != NULL && *msg != '\0')
- error (_("Error occurred in Python convenience function: %s"),
- msg.get ());
- else
- error (_("Error occurred in Python convenience function."));
- }
- else
- {
- Py_XDECREF (ptype);
- Py_XDECREF (pvalue);
- Py_XDECREF (ptraceback);
- error ("%s", msg.get ());
- }
- }
+ gdbpy_handle_exception ();
value = convert_value_from_python (result.get ());
if (value == NULL)
diff --git a/gdb/python/py-utils.c b/gdb/python/py-utils.c
index 01fd6ad..6ef0d7e 100644
--- a/gdb/python/py-utils.c
+++ b/gdb/python/py-utils.c
@@ -384,3 +384,59 @@ gdb_pymodule_addobject (PyObject *module, const char *name, PyObject *object)
Py_DECREF (object);
return result;
}
+
+/* Handle a Python exception when the special gdb.GdbError treatment
+ is desired. This should only be called when an exception is set.
+ If the exception is a gdb.GdbError, throw a gdb exception with the
+ exception text. For other exceptions, print the Python stack and
+ then throw a gdb exception. */
+
+void
+gdbpy_handle_exception ()
+{
+ PyObject *ptype, *pvalue, *ptraceback;
+
+ PyErr_Fetch (&ptype, &pvalue, &ptraceback);
+
+ /* Try to fetch an error message contained within ptype, pvalue.
+ When fetching the error message we need to make our own copy,
+ we no longer own ptype, pvalue after the call to PyErr_Restore. */
+
+ gdb::unique_xmalloc_ptr<char>
+ msg (gdbpy_exception_to_string (ptype, pvalue));
+
+ if (msg == NULL)
+ {
+ /* An error occurred computing the string representation of the
+ error message. This is rare, but we should inform the user. */
+ printf_filtered (_("An error occurred in Python "
+ "and then another occurred computing the "
+ "error message.\n"));
+ gdbpy_print_stack ();
+ }
+
+ /* Don't print the stack for gdb.GdbError exceptions.
+ It is generally used to flag user errors.
+
+ We also don't want to print "Error occurred in Python command"
+ for user errors. However, a missing message for gdb.GdbError
+ exceptions is arguably a bug, so we flag it as such. */
+
+ if (! PyErr_GivenExceptionMatches (ptype, gdbpy_gdberror_exc)
+ || msg == NULL || *msg == '\0')
+ {
+ PyErr_Restore (ptype, pvalue, ptraceback);
+ gdbpy_print_stack ();
+ if (msg != NULL && *msg != '\0')
+ error (_("Error occurred in Python: %s"), msg.get ());
+ else
+ error (_("Error occurred in Python."));
+ }
+ else
+ {
+ Py_XDECREF (ptype);
+ Py_XDECREF (pvalue);
+ Py_XDECREF (ptraceback);
+ error ("%s", msg.get ());
+ }
+}
diff --git a/gdb/python/python-internal.h b/gdb/python/python-internal.h
index e32502d..1812abb 100644
--- a/gdb/python/python-internal.h
+++ b/gdb/python/python-internal.h
@@ -654,6 +654,7 @@ extern const struct language_defn *python_language;
int gdbpy_print_python_errors_p (void);
void gdbpy_print_stack (void);
+void gdbpy_handle_exception () ATTRIBUTE_NORETURN;
PyObject *python_string_to_unicode (PyObject *obj);
gdb::unique_xmalloc_ptr<char> unicode_to_target_string (PyObject *unicode_str);
generated by cgit v1.1 at 2024-12-30 16:28:27 +0000