From db1ec11fff1a46f7046bcbd971a42632d2ea795c Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Tue, 8 Nov 2016 15:26:45 +0000 Subject: [PATCH] Use ui_file_as_string in execute_command_to_string ... and then return std::string and adjust all callers. gdb/ChangeLog: 2016-11-08 Pedro Alves * 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/ChangeLog | 11 +++++++++++ gdb/gdbcmd.h | 2 +- gdb/guile/guile.c | 18 ++++++------------ gdb/python/python.c | 19 ++++++------------- gdb/top.c | 5 ++--- 5 files changed, 26 insertions(+), 29 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f88e50595b4..68f8cf0d494 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,14 @@ +2016-11-08 Pedro Alves + + * 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. + 2016-11-08 Pedro Alves * guile/scm-breakpoint.c (gdbscm_breakpoint_commands): Use diff --git a/gdb/gdbcmd.h b/gdb/gdbcmd.h index 512b72ca10b..6db49e224a2 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 3a19eecc2a7..9a126a1fb1a 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 d6bd6bf4a7a..d9940c2cdf9 100644 --- a/gdb/python/python.c +++ b/gdb/python/python.c @@ -614,7 +614,6 @@ 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, @@ -639,6 +638,8 @@ 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. */ @@ -657,13 +658,9 @@ 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) @@ -675,12 +672,8 @@ 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 c7a9c21634a..504a4dede12 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. */ @@ -725,7 +724,7 @@ 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); -- 2.30.2