Commit | Line | Data |
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068890be | 1 | /* MI Command Set - environment commands. |
1bac305b | 2 | |
0fb0cc75 JB |
3 | Copyright (C) 2002, 2003, 2004, 2007, 2008, 2009 |
4 | Free Software Foundation, Inc. | |
1bac305b | 5 | |
068890be JJ |
6 | Contributed by Red Hat Inc. |
7 | ||
8 | This file is part of GDB. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
068890be JJ |
13 | (at your option) any later version. |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
068890be | 22 | |
068890be JJ |
23 | #include "defs.h" |
24 | #include "inferior.h" | |
25 | #include "value.h" | |
26 | #include "mi-out.h" | |
27 | #include "mi-cmds.h" | |
28 | #include "mi-getopt.h" | |
29 | #include "symtab.h" | |
30 | #include "target.h" | |
31 | #include "environ.h" | |
32 | #include "command.h" | |
33 | #include "ui-out.h" | |
34 | #include "top.h" | |
35 | ||
4ef3f3be | 36 | #include "gdb_string.h" |
5cb316ef | 37 | #include "gdb_stat.h" |
4ef3f3be | 38 | |
068890be JJ |
39 | static void env_mod_path (char *dirname, char **which_path); |
40 | extern void _initialize_mi_cmd_env (void); | |
41 | ||
42 | static const char path_var_name[] = "PATH"; | |
43 | static char *orig_path = NULL; | |
44 | ||
d303380b AC |
45 | /* The following is copied from mi-main.c so for m1 and below we can |
46 | perform old behavior and use cli commands. If ARGS is non-null, | |
47 | append it to the CMD. */ | |
068890be | 48 | static void |
d303380b | 49 | env_execute_cli_command (const char *cmd, const char *args) |
068890be | 50 | { |
d303380b | 51 | if (cmd != 0) |
068890be JJ |
52 | { |
53 | struct cleanup *old_cleanups; | |
54 | char *run; | |
d303380b | 55 | if (args != NULL) |
c6902d46 | 56 | run = xstrprintf ("%s %s", cmd, args); |
d303380b AC |
57 | else |
58 | run = xstrdup (cmd); | |
068890be JJ |
59 | old_cleanups = make_cleanup (xfree, run); |
60 | execute_command ( /*ui */ run, 0 /*from_tty */ ); | |
61 | do_cleanups (old_cleanups); | |
62 | return; | |
63 | } | |
64 | } | |
65 | ||
66 | ||
67 | /* Print working directory. */ | |
ce8f13f8 | 68 | void |
068890be JJ |
69 | mi_cmd_env_pwd (char *command, char **argv, int argc) |
70 | { | |
71 | if (argc > 0) | |
8a3fe4f8 | 72 | error (_("mi_cmd_env_pwd: No arguments required")); |
068890be JJ |
73 | |
74 | if (mi_version (uiout) < 2) | |
75 | { | |
76 | env_execute_cli_command ("pwd", NULL); | |
ce8f13f8 | 77 | return; |
068890be JJ |
78 | } |
79 | ||
80 | /* Otherwise the mi level is 2 or higher. */ | |
81 | ||
bf1d7d9c JB |
82 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
83 | error (_("mi_cmd_env_pwd: error finding name of working directory: %s"), | |
84 | safe_strerror (errno)); | |
85 | ||
068890be | 86 | ui_out_field_string (uiout, "cwd", gdb_dirbuf); |
068890be JJ |
87 | } |
88 | ||
89 | /* Change working directory. */ | |
ce8f13f8 | 90 | void |
068890be JJ |
91 | mi_cmd_env_cd (char *command, char **argv, int argc) |
92 | { | |
93 | if (argc == 0 || argc > 1) | |
8a3fe4f8 | 94 | error (_("mi_cmd_env_cd: Usage DIRECTORY")); |
068890be | 95 | |
d303380b | 96 | env_execute_cli_command ("cd", argv[0]); |
068890be JJ |
97 | } |
98 | ||
99 | static void | |
100 | env_mod_path (char *dirname, char **which_path) | |
101 | { | |
102 | if (dirname == 0 || dirname[0] == '\0') | |
103 | return; | |
104 | ||
105 | /* Call add_path with last arg 0 to indicate not to parse for | |
106 | separator characters. */ | |
107 | add_path (dirname, which_path, 0); | |
108 | } | |
109 | ||
110 | /* Add one or more directories to start of executable search path. */ | |
ce8f13f8 | 111 | void |
068890be JJ |
112 | mi_cmd_env_path (char *command, char **argv, int argc) |
113 | { | |
114 | char *exec_path; | |
115 | char *env; | |
116 | int reset = 0; | |
117 | int optind = 0; | |
118 | int i; | |
119 | char *optarg; | |
120 | enum opt | |
121 | { | |
122 | RESET_OPT | |
123 | }; | |
124 | static struct mi_opt opts[] = | |
125 | { | |
126 | {"r", RESET_OPT, 0}, | |
d5d6fca5 | 127 | { 0, 0, 0 } |
068890be JJ |
128 | }; |
129 | ||
130 | dont_repeat (); | |
131 | ||
132 | if (mi_version (uiout) < 2) | |
133 | { | |
134 | for (i = argc - 1; i >= 0; --i) | |
d303380b | 135 | env_execute_cli_command ("path", argv[i]); |
ce8f13f8 | 136 | return; |
068890be JJ |
137 | } |
138 | ||
139 | /* Otherwise the mi level is 2 or higher. */ | |
140 | while (1) | |
141 | { | |
142 | int opt = mi_getopt ("mi_cmd_env_path", argc, argv, opts, | |
143 | &optind, &optarg); | |
144 | if (opt < 0) | |
145 | break; | |
146 | switch ((enum opt) opt) | |
147 | { | |
148 | case RESET_OPT: | |
149 | reset = 1; | |
150 | break; | |
151 | } | |
152 | } | |
153 | argv += optind; | |
154 | argc -= optind; | |
155 | ||
156 | ||
157 | if (reset) | |
158 | { | |
159 | /* Reset implies resetting to original path first. */ | |
160 | exec_path = xstrdup (orig_path); | |
161 | } | |
162 | else | |
163 | { | |
164 | /* Otherwise, get current path to modify. */ | |
165 | env = get_in_environ (inferior_environ, path_var_name); | |
166 | ||
167 | /* Can be null if path is not set. */ | |
168 | if (!env) | |
169 | env = ""; | |
170 | exec_path = xstrdup (env); | |
171 | } | |
172 | ||
173 | for (i = argc - 1; i >= 0; --i) | |
174 | env_mod_path (argv[i], &exec_path); | |
175 | ||
176 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
177 | xfree (exec_path); | |
178 | env = get_in_environ (inferior_environ, path_var_name); | |
179 | ui_out_field_string (uiout, "path", env); | |
068890be JJ |
180 | } |
181 | ||
182 | /* Add zero or more directories to the front of the source path. */ | |
ce8f13f8 | 183 | void |
068890be JJ |
184 | mi_cmd_env_dir (char *command, char **argv, int argc) |
185 | { | |
186 | int i; | |
187 | int optind = 0; | |
188 | int reset = 0; | |
189 | char *optarg; | |
190 | enum opt | |
191 | { | |
192 | RESET_OPT | |
193 | }; | |
194 | static struct mi_opt opts[] = | |
195 | { | |
196 | {"r", RESET_OPT, 0}, | |
d5d6fca5 | 197 | { 0, 0, 0 } |
068890be JJ |
198 | }; |
199 | ||
200 | dont_repeat (); | |
201 | ||
202 | if (mi_version (uiout) < 2) | |
203 | { | |
204 | for (i = argc - 1; i >= 0; --i) | |
d303380b | 205 | env_execute_cli_command ("dir", argv[i]); |
ce8f13f8 | 206 | return; |
068890be JJ |
207 | } |
208 | ||
209 | /* Otherwise mi level is 2 or higher. */ | |
210 | while (1) | |
211 | { | |
212 | int opt = mi_getopt ("mi_cmd_env_dir", argc, argv, opts, | |
213 | &optind, &optarg); | |
214 | if (opt < 0) | |
215 | break; | |
216 | switch ((enum opt) opt) | |
217 | { | |
218 | case RESET_OPT: | |
219 | reset = 1; | |
220 | break; | |
221 | } | |
222 | } | |
223 | argv += optind; | |
224 | argc -= optind; | |
225 | ||
226 | if (reset) | |
227 | { | |
228 | /* Reset means setting to default path first. */ | |
229 | xfree (source_path); | |
230 | init_source_path (); | |
231 | } | |
232 | ||
233 | for (i = argc - 1; i >= 0; --i) | |
234 | env_mod_path (argv[i], &source_path); | |
235 | init_last_source_visited (); | |
236 | ||
237 | ui_out_field_string (uiout, "source-path", source_path); | |
238 | forget_cached_source_info (); | |
068890be JJ |
239 | } |
240 | ||
3cb3b8df | 241 | /* Set the inferior terminal device name. */ |
ce8f13f8 | 242 | void |
3cb3b8df BR |
243 | mi_cmd_inferior_tty_set (char *command, char **argv, int argc) |
244 | { | |
245 | set_inferior_io_terminal (argv[0]); | |
3cb3b8df BR |
246 | } |
247 | ||
248 | /* Print the inferior terminal device name */ | |
ce8f13f8 | 249 | void |
3cb3b8df BR |
250 | mi_cmd_inferior_tty_show (char *command, char **argv, int argc) |
251 | { | |
252 | const char *inferior_io_terminal = get_inferior_io_terminal (); | |
253 | ||
254 | if ( !mi_valid_noargs ("mi_cmd_inferior_tty_show", argc, argv)) | |
255 | error (_("mi_cmd_inferior_tty_show: Usage: No args")); | |
256 | ||
257 | if (inferior_io_terminal) | |
258 | ui_out_field_string (uiout, "inferior_tty_terminal", inferior_io_terminal); | |
3cb3b8df BR |
259 | } |
260 | ||
068890be JJ |
261 | void |
262 | _initialize_mi_cmd_env (void) | |
263 | { | |
264 | char *env; | |
265 | ||
266 | /* We want original execution path to reset to, if desired later. */ | |
267 | env = get_in_environ (inferior_environ, path_var_name); | |
268 | ||
269 | /* Can be null if path is not set. */ | |
270 | if (!env) | |
271 | env = ""; | |
272 | orig_path = xstrdup (env); | |
273 | } |