From: Pedro Alves <palves@redhat.com>
To: gdb-patches@sourceware.org
Subject: [PATCH v2 15/31] Use ui_file_as_string in execute_command_to_string
Date: Wed, 19 Oct 2016 01:13:00 -0000 [thread overview]
Message-ID: <1476839539-8374-16-git-send-email-palves@redhat.com> (raw)
In-Reply-To: <1476839539-8374-1-git-send-email-palves@redhat.com>
... and then return std::string and adjust all callers.
gdb/ChangeLog:
yyyy-mm-yy Pedro Alves <palves@redhat.com>
* gdbcmd.h (execute_command_to_string): Now returns std::string.
(lookup_struct_elt_type): Adjust to use std::string.
* top.c (execute_command_to_string): Use ui_file_as_string and
return std::string.
* guile/guile.c (gdbscm_execute_gdb_command): Adjust to use
std::string.
* python/python.c (execute_gdb_command): Adjust to use
std::string.
---
gdb/gdbcmd.h | 2 +-
gdb/guile/guile.c | 18 ++++++------------
gdb/python/python.c | 19 ++++++-------------
gdb/top.c | 5 ++---
4 files changed, 15 insertions(+), 29 deletions(-)
diff --git a/gdb/gdbcmd.h b/gdb/gdbcmd.h
index 512b72c..6db49e2 100644
--- a/gdb/gdbcmd.h
+++ b/gdb/gdbcmd.h
@@ -128,7 +128,7 @@ extern struct cmd_list_element *showchecklist;
extern struct cmd_list_element *save_cmdlist;
extern void execute_command (char *, int);
-extern char *execute_command_to_string (char *p, int from_tty);
+extern std::string execute_command_to_string (char *p, int from_tty);
enum command_control_type execute_control_command (struct command_line *);
diff --git a/gdb/guile/guile.c b/gdb/guile/guile.c
index 3a19eec..9a126a1 100644
--- a/gdb/guile/guile.c
+++ b/gdb/guile/guile.c
@@ -311,7 +311,6 @@ gdbscm_execute_gdb_command (SCM command_scm, SCM rest)
int from_tty = 0, to_string = 0;
const SCM keywords[] = { from_tty_keyword, to_string_keyword, SCM_BOOL_F };
char *command;
- char *result = NULL;
struct cleanup *cleanups;
struct gdb_exception except = exception_none;
@@ -324,6 +323,8 @@ gdbscm_execute_gdb_command (SCM command_scm, SCM rest)
executed. */
cleanups = make_cleanup (xfree, command);
+ std::string to_string_res;
+
TRY
{
struct cleanup *inner_cleanups;
@@ -333,12 +334,9 @@ gdbscm_execute_gdb_command (SCM command_scm, SCM rest)
prevent_dont_repeat ();
if (to_string)
- result = execute_command_to_string (command, from_tty);
+ to_string_res = execute_command_to_string (command, from_tty);
else
- {
- execute_command (command, from_tty);
- result = NULL;
- }
+ execute_command (command, from_tty);
/* Do any commands attached to breakpoint we stopped at. */
bpstat_do_actions ();
@@ -354,12 +352,8 @@ gdbscm_execute_gdb_command (SCM command_scm, SCM rest)
do_cleanups (cleanups);
GDBSCM_HANDLE_GDB_EXCEPTION (except);
- if (result)
- {
- SCM r = gdbscm_scm_from_c_string (result);
- xfree (result);
- return r;
- }
+ if (to_string)
+ return gdbscm_scm_from_c_string (to_string_res.c_str ());
return SCM_UNSPECIFIED;
}
diff --git a/gdb/python/python.c b/gdb/python/python.c
index 7e34d26..0ca7d9a 100644
--- a/gdb/python/python.c
+++ b/gdb/python/python.c
@@ -619,7 +619,6 @@ execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw)
PyObject *from_tty_obj = NULL, *to_string_obj = NULL;
int from_tty, to_string;
static char *keywords[] = {"command", "from_tty", "to_string", NULL };
- char *result = NULL;
if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O!O!", keywords, &arg,
&PyBool_Type, &from_tty_obj,
@@ -644,6 +643,8 @@ execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw)
to_string = cmp;
}
+ std::string to_string_res;
+
TRY
{
/* Copy the argument text in case the command modifies it. */
@@ -663,13 +664,9 @@ execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw)
prevent_dont_repeat ();
if (to_string)
- result = execute_command_to_string (copy, from_tty);
+ to_string_res = execute_command_to_string (copy, from_tty);
else
- {
- result = NULL;
- execute_command (copy, from_tty);
- }
-
+ execute_command (copy, from_tty);
do_cleanups (cleanup);
}
CATCH (except, RETURN_MASK_ALL)
@@ -681,12 +678,8 @@ execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw)
/* Do any commands attached to breakpoint we stopped at. */
bpstat_do_actions ();
- if (result)
- {
- PyObject *r = PyString_FromString (result);
- xfree (result);
- return r;
- }
+ if (to_string)
+ return PyString_FromString (to_string_res.c_str ());
Py_RETURN_NONE;
}
diff --git a/gdb/top.c b/gdb/top.c
index 3cfa113..762a9a8 100644
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -690,12 +690,11 @@ execute_command (char *p, int from_tty)
returned string, do not display it to the screen. BATCH_FLAG will be
temporarily set to true. */
-char *
+std::string
execute_command_to_string (char *p, int from_tty)
{
struct ui_file *str_file;
struct cleanup *cleanup;
- char *retval;
/* GDB_STDOUT should be better already restored during these
restoration callbacks. */
@@ -726,7 +725,7 @@ execute_command_to_string (char *p, int from_tty)
execute_command (p, from_tty);
- retval = ui_file_xstrdup (str_file, NULL);
+ std::string retval = ui_file_as_string (str_file);
do_cleanups (cleanup);
--
2.5.5
next prev parent reply other threads:[~2016-10-19 1:12 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-19 1:13 [PATCH v2 00/31] More cleanup elimination & unlimited args to user-defined funcs Pedro Alves
2016-10-19 1:12 ` [PATCH v2 06/31] Introduce ui_file_as_string Pedro Alves
2016-10-19 1:12 ` [PATCH v2 24/31] Use ui_file_as_string in gdb/ada-lang.c Pedro Alves
2016-10-19 1:12 ` [PATCH v2 07/31] Clean up tracepoint.h/c:collection_list Pedro Alves
2016-10-19 1:12 ` [PATCH v2 01/31] Introduce string_printf Pedro Alves
2016-10-19 13:43 ` Trevor Saunders
2016-10-19 14:41 ` Pedro Alves
2016-10-19 17:18 ` Simon Marchi
2016-10-19 21:02 ` Pedro Alves
2016-11-08 15:35 ` Pedro Alves
2016-10-19 1:12 ` [PATCH v2 20/31] Use ui_file_as_string in gdb/cli/cli-setshow.c Pedro Alves
2016-10-19 1:12 ` [PATCH v2 19/31] Use ui_file_as_string in gdb/remote.c Pedro Alves
2016-10-19 1:12 ` [PATCH v2 12/31] Use ui_file_as_string in gdb/utils.c Pedro Alves
2016-10-19 1:12 ` [PATCH v2 22/31] Use ui_file_as_string in gdb/c-exp.y Pedro Alves
2016-10-19 1:12 ` [PATCH v2 21/31] Use ui_file_as_string in gdb/compile/ Pedro Alves
2016-10-19 23:08 ` Simon Marchi
2016-10-19 23:48 ` Pedro Alves
2016-10-20 3:17 ` Simon Marchi
2016-10-20 12:13 ` Pedro Alves
2016-10-19 1:13 ` Pedro Alves [this message]
2016-10-19 1:13 ` [PATCH v2 08/31] Use ui_file_as_string in dwarf2_compute_name Pedro Alves
2016-10-19 1:13 ` [PATCH v2 31/31] Support an "unlimited" number of user-defined arguments Pedro Alves
2016-10-19 6:29 ` Eli Zaretskii
2016-10-19 11:33 ` Philipp Rudo
2016-10-19 12:47 ` Pedro Alves
2016-10-19 17:40 ` Philipp Rudo
2016-10-19 17:45 ` Pedro Alves
2016-11-08 15:41 ` Pedro Alves
2016-10-19 1:13 ` [PATCH v2 02/31] cli/cli-script.c: Remove some dead NULL checks Pedro Alves
2016-10-19 17:24 ` Simon Marchi
2016-10-19 21:18 ` Pedro Alves
2016-10-19 1:13 ` [PATCH v2 26/31] Use ui_file_as_string in gdb/rust-lang.c Pedro Alves
2016-10-19 1:13 ` [PATCH v2 23/31] Use ui_file_as_string in gdbarch.sh/gdbarch.c Pedro Alves
2016-10-19 1:13 ` [PATCH v2 27/31] Use ui_file_as_string in gdb/language.c Pedro Alves
2016-10-19 1:13 ` [PATCH v2 29/31] 'struct agent_expr *' -> unique_ptr<agent_expr> Pedro Alves
2016-10-19 23:19 ` Simon Marchi
2016-10-19 23:58 ` Pedro Alves
2016-10-19 1:13 ` [PATCH v2 03/31] breakpoint.c:commands_command_1 constification and cleanup Pedro Alves
2016-10-19 1:13 ` [PATCH v2 14/31] Use ui_file_as_string in gdb/guile/ Pedro Alves
2016-10-19 1:17 ` [PATCH v2 09/31] Use ui_file_as_string in gdb/xtensa-tdep.c Pedro Alves
2016-10-19 1:17 ` [PATCH v2 25/31] Use ui_file_as_string in gdb/infrun.c Pedro Alves
2016-10-19 1:17 ` [PATCH v2 11/31] Use ui_file_as_string in gdb/ui-out.c Pedro Alves
2016-10-19 1:17 ` [PATCH v2 10/31] Use ui_file_as_string in gdb/ada-valprint.c Pedro Alves
2016-10-19 1:18 ` [PATCH v2 30/31] Eliminate agent_expr_p; VEC -> std::vector in struct bp_target_info Pedro Alves
2016-10-19 1:18 ` [PATCH v2 05/31] 'struct expression *' -> gdb::unique_xmalloc_ptr<expression> Pedro Alves
2016-10-19 18:45 ` Simon Marchi
2016-10-19 21:50 ` Pedro Alves
2016-10-19 22:25 ` Simon Marchi
2016-10-19 22:36 ` Pedro Alves
2016-10-19 1:19 ` [PATCH v2 04/31] cli-script.c: Simplify using std::string, eliminate cleanups Pedro Alves
2016-10-19 18:25 ` Simon Marchi
2016-10-19 21:45 ` Pedro Alves
2016-10-19 1:21 ` [PATCH v2 17/31] Use ui_file_as_string in gdb/printcmd.c Pedro Alves
2016-10-19 1:21 ` [PATCH v2 13/31] Use ui_file_as_string in gdb/arm-tdep.c Pedro Alves
2016-10-19 22:54 ` Simon Marchi
2016-10-19 1:21 ` [PATCH v2 16/31] Use ui_file_as_string in gdb/top.c Pedro Alves
2016-10-19 1:21 ` [PATCH v2 18/31] Use ui_file_as_string in gdb/python/ Pedro Alves
2016-10-20 13:08 ` [PATCH v2 28/31] Use ui_file_as_string throughout more Pedro Alves
2017-02-23 10:23 ` Yao Qi
2017-02-23 10:53 ` Pedro Alves
2017-02-23 10:35 ` Yao Qi
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