1 /* MI Command Set - environment commands.
3 Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
5 Contributed by Red Hat Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
29 #include "mi-getopt.h"
37 #include "gdb_string.h"
40 static void env_mod_path (char *dirname, char **which_path);
41 extern void _initialize_mi_cmd_env (void);
43 static const char path_var_name[] = "PATH";
44 static char *orig_path = NULL;
46 /* The following is copied from mi-main.c so for m1 and below we can
47 perform old behavior and use cli commands. If ARGS is non-null,
48 append it to the CMD. */
50 env_execute_cli_command (const char *cmd, const char *args)
54 struct cleanup *old_cleanups;
57 run = xstrprintf ("%s %s", cmd, args);
60 old_cleanups = make_cleanup (xfree, run);
61 execute_command ( /*ui */ run, 0 /*from_tty */ );
62 do_cleanups (old_cleanups);
68 /* Print working directory. */
70 mi_cmd_env_pwd (char *command, char **argv, int argc)
73 error (_("mi_cmd_env_pwd: No arguments required"));
75 if (mi_version (uiout) < 2)
77 env_execute_cli_command ("pwd", NULL);
81 /* Otherwise the mi level is 2 or higher. */
83 getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
84 ui_out_field_string (uiout, "cwd", gdb_dirbuf);
89 /* Change working directory. */
91 mi_cmd_env_cd (char *command, char **argv, int argc)
93 if (argc == 0 || argc > 1)
94 error (_("mi_cmd_env_cd: Usage DIRECTORY"));
96 env_execute_cli_command ("cd", argv[0]);
102 env_mod_path (char *dirname, char **which_path)
104 if (dirname == 0 || dirname[0] == '\0')
107 /* Call add_path with last arg 0 to indicate not to parse for
108 separator characters. */
109 add_path (dirname, which_path, 0);
112 /* Add one or more directories to start of executable search path. */
114 mi_cmd_env_path (char *command, char **argv, int argc)
126 static struct mi_opt opts[] =
134 if (mi_version (uiout) < 2)
136 for (i = argc - 1; i >= 0; --i)
137 env_execute_cli_command ("path", argv[i]);
141 /* Otherwise the mi level is 2 or higher. */
144 int opt = mi_getopt ("mi_cmd_env_path", argc, argv, opts,
148 switch ((enum opt) opt)
161 /* Reset implies resetting to original path first. */
162 exec_path = xstrdup (orig_path);
166 /* Otherwise, get current path to modify. */
167 env = get_in_environ (inferior_environ, path_var_name);
169 /* Can be null if path is not set. */
172 exec_path = xstrdup (env);
175 for (i = argc - 1; i >= 0; --i)
176 env_mod_path (argv[i], &exec_path);
178 set_in_environ (inferior_environ, path_var_name, exec_path);
180 env = get_in_environ (inferior_environ, path_var_name);
181 ui_out_field_string (uiout, "path", env);
186 /* Add zero or more directories to the front of the source path. */
188 mi_cmd_env_dir (char *command, char **argv, int argc)
198 static struct mi_opt opts[] =
206 if (mi_version (uiout) < 2)
208 for (i = argc - 1; i >= 0; --i)
209 env_execute_cli_command ("dir", argv[i]);
213 /* Otherwise mi level is 2 or higher. */
216 int opt = mi_getopt ("mi_cmd_env_dir", argc, argv, opts,
220 switch ((enum opt) opt)
232 /* Reset means setting to default path first. */
237 for (i = argc - 1; i >= 0; --i)
238 env_mod_path (argv[i], &source_path);
239 init_last_source_visited ();
241 ui_out_field_string (uiout, "source-path", source_path);
242 forget_cached_source_info ();
248 _initialize_mi_cmd_env (void)
252 /* We want original execution path to reset to, if desired later. */
253 env = get_in_environ (inferior_environ, path_var_name);
255 /* Can be null if path is not set. */
258 orig_path = xstrdup (env);