Commit | Line | Data |
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068890be | 1 | /* MI Command Set - environment commands. |
1bac305b | 2 | |
7b6bb8da | 3 | Copyright (C) 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011 |
0fb0cc75 | 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; | |
102040f0 | 55 | |
d303380b | 56 | if (args != NULL) |
c6902d46 | 57 | run = xstrprintf ("%s %s", cmd, args); |
d303380b AC |
58 | else |
59 | run = xstrdup (cmd); | |
068890be JJ |
60 | old_cleanups = make_cleanup (xfree, run); |
61 | execute_command ( /*ui */ run, 0 /*from_tty */ ); | |
62 | do_cleanups (old_cleanups); | |
63 | return; | |
64 | } | |
65 | } | |
66 | ||
67 | ||
68 | /* Print working directory. */ | |
ce8f13f8 | 69 | void |
068890be JJ |
70 | mi_cmd_env_pwd (char *command, char **argv, int argc) |
71 | { | |
79a45e25 PA |
72 | struct ui_out *uiout = current_uiout; |
73 | ||
068890be | 74 | if (argc > 0) |
1b05df00 | 75 | error (_("-environment-pwd: No arguments required")); |
068890be JJ |
76 | |
77 | if (mi_version (uiout) < 2) | |
78 | { | |
79 | env_execute_cli_command ("pwd", NULL); | |
ce8f13f8 | 80 | return; |
068890be JJ |
81 | } |
82 | ||
83 | /* Otherwise the mi level is 2 or higher. */ | |
84 | ||
bf1d7d9c | 85 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
1b05df00 | 86 | error (_("-environment-pwd: error finding name of working directory: %s"), |
bf1d7d9c JB |
87 | safe_strerror (errno)); |
88 | ||
068890be | 89 | ui_out_field_string (uiout, "cwd", gdb_dirbuf); |
068890be JJ |
90 | } |
91 | ||
92 | /* Change working directory. */ | |
ce8f13f8 | 93 | void |
068890be JJ |
94 | mi_cmd_env_cd (char *command, char **argv, int argc) |
95 | { | |
96 | if (argc == 0 || argc > 1) | |
1b05df00 | 97 | error (_("-environment-cd: Usage DIRECTORY")); |
068890be | 98 | |
d303380b | 99 | env_execute_cli_command ("cd", argv[0]); |
068890be JJ |
100 | } |
101 | ||
102 | static void | |
103 | env_mod_path (char *dirname, char **which_path) | |
104 | { | |
105 | if (dirname == 0 || dirname[0] == '\0') | |
106 | return; | |
107 | ||
108 | /* Call add_path with last arg 0 to indicate not to parse for | |
109 | separator characters. */ | |
110 | add_path (dirname, which_path, 0); | |
111 | } | |
112 | ||
113 | /* Add one or more directories to start of executable search path. */ | |
ce8f13f8 | 114 | void |
068890be JJ |
115 | mi_cmd_env_path (char *command, char **argv, int argc) |
116 | { | |
79a45e25 | 117 | struct ui_out *uiout = current_uiout; |
068890be JJ |
118 | char *exec_path; |
119 | char *env; | |
120 | int reset = 0; | |
121 | int optind = 0; | |
122 | int i; | |
123 | char *optarg; | |
124 | enum opt | |
125 | { | |
126 | RESET_OPT | |
127 | }; | |
91174723 | 128 | static const struct mi_opt opts[] = |
068890be JJ |
129 | { |
130 | {"r", RESET_OPT, 0}, | |
d5d6fca5 | 131 | { 0, 0, 0 } |
068890be JJ |
132 | }; |
133 | ||
134 | dont_repeat (); | |
135 | ||
136 | if (mi_version (uiout) < 2) | |
137 | { | |
138 | for (i = argc - 1; i >= 0; --i) | |
d303380b | 139 | env_execute_cli_command ("path", argv[i]); |
ce8f13f8 | 140 | return; |
068890be JJ |
141 | } |
142 | ||
143 | /* Otherwise the mi level is 2 or higher. */ | |
144 | while (1) | |
145 | { | |
1b05df00 | 146 | int opt = mi_getopt ("-environment-path", argc, argv, opts, |
068890be | 147 | &optind, &optarg); |
102040f0 | 148 | |
068890be JJ |
149 | if (opt < 0) |
150 | break; | |
151 | switch ((enum opt) opt) | |
152 | { | |
153 | case RESET_OPT: | |
154 | reset = 1; | |
155 | break; | |
156 | } | |
157 | } | |
158 | argv += optind; | |
159 | argc -= optind; | |
160 | ||
161 | ||
162 | if (reset) | |
163 | { | |
164 | /* Reset implies resetting to original path first. */ | |
165 | exec_path = xstrdup (orig_path); | |
166 | } | |
167 | else | |
168 | { | |
169 | /* Otherwise, get current path to modify. */ | |
3f81c18a | 170 | env = get_in_environ (current_inferior ()->environment, path_var_name); |
068890be JJ |
171 | |
172 | /* Can be null if path is not set. */ | |
173 | if (!env) | |
174 | env = ""; | |
175 | exec_path = xstrdup (env); | |
176 | } | |
177 | ||
178 | for (i = argc - 1; i >= 0; --i) | |
179 | env_mod_path (argv[i], &exec_path); | |
180 | ||
3f81c18a | 181 | set_in_environ (current_inferior ()->environment, path_var_name, exec_path); |
068890be | 182 | xfree (exec_path); |
3f81c18a | 183 | env = get_in_environ (current_inferior ()->environment, path_var_name); |
068890be | 184 | ui_out_field_string (uiout, "path", env); |
068890be JJ |
185 | } |
186 | ||
187 | /* Add zero or more directories to the front of the source path. */ | |
ce8f13f8 | 188 | void |
068890be JJ |
189 | mi_cmd_env_dir (char *command, char **argv, int argc) |
190 | { | |
79a45e25 | 191 | struct ui_out *uiout = current_uiout; |
068890be JJ |
192 | int i; |
193 | int optind = 0; | |
194 | int reset = 0; | |
195 | char *optarg; | |
196 | enum opt | |
197 | { | |
198 | RESET_OPT | |
199 | }; | |
91174723 | 200 | static const struct mi_opt opts[] = |
068890be JJ |
201 | { |
202 | {"r", RESET_OPT, 0}, | |
d5d6fca5 | 203 | { 0, 0, 0 } |
068890be JJ |
204 | }; |
205 | ||
206 | dont_repeat (); | |
207 | ||
208 | if (mi_version (uiout) < 2) | |
209 | { | |
210 | for (i = argc - 1; i >= 0; --i) | |
d303380b | 211 | env_execute_cli_command ("dir", argv[i]); |
ce8f13f8 | 212 | return; |
068890be JJ |
213 | } |
214 | ||
215 | /* Otherwise mi level is 2 or higher. */ | |
216 | while (1) | |
217 | { | |
1b05df00 | 218 | int opt = mi_getopt ("-environment-directory", argc, argv, opts, |
068890be | 219 | &optind, &optarg); |
102040f0 | 220 | |
068890be JJ |
221 | if (opt < 0) |
222 | break; | |
223 | switch ((enum opt) opt) | |
224 | { | |
225 | case RESET_OPT: | |
226 | reset = 1; | |
227 | break; | |
228 | } | |
229 | } | |
230 | argv += optind; | |
231 | argc -= optind; | |
232 | ||
233 | if (reset) | |
234 | { | |
235 | /* Reset means setting to default path first. */ | |
236 | xfree (source_path); | |
237 | init_source_path (); | |
238 | } | |
239 | ||
240 | for (i = argc - 1; i >= 0; --i) | |
241 | env_mod_path (argv[i], &source_path); | |
068890be JJ |
242 | |
243 | ui_out_field_string (uiout, "source-path", source_path); | |
244 | forget_cached_source_info (); | |
068890be JJ |
245 | } |
246 | ||
3cb3b8df | 247 | /* Set the inferior terminal device name. */ |
ce8f13f8 | 248 | void |
3cb3b8df BR |
249 | mi_cmd_inferior_tty_set (char *command, char **argv, int argc) |
250 | { | |
251 | set_inferior_io_terminal (argv[0]); | |
3cb3b8df BR |
252 | } |
253 | ||
254 | /* Print the inferior terminal device name */ | |
ce8f13f8 | 255 | void |
3cb3b8df BR |
256 | mi_cmd_inferior_tty_show (char *command, char **argv, int argc) |
257 | { | |
258 | const char *inferior_io_terminal = get_inferior_io_terminal (); | |
259 | ||
1b05df00 TT |
260 | if ( !mi_valid_noargs ("-inferior-tty-show", argc, argv)) |
261 | error (_("-inferior-tty-show: Usage: No args")); | |
3cb3b8df BR |
262 | |
263 | if (inferior_io_terminal) | |
79a45e25 PA |
264 | ui_out_field_string (current_uiout, |
265 | "inferior_tty_terminal", inferior_io_terminal); | |
3cb3b8df BR |
266 | } |
267 | ||
068890be JJ |
268 | void |
269 | _initialize_mi_cmd_env (void) | |
270 | { | |
3f81c18a | 271 | struct gdb_environ *environment; |
068890be JJ |
272 | char *env; |
273 | ||
3f81c18a VP |
274 | /* We want original execution path to reset to, if desired later. |
275 | At this point, current inferior is not created, so cannot use | |
276 | current_inferior ()->environment. Also, there's no obvious | |
277 | place where this code can be moved suchs that it surely run | |
278 | before any code possibly mangles original PATH. */ | |
279 | environment = make_environ (); | |
280 | init_environ (environment); | |
281 | env = get_in_environ (environment, path_var_name); | |
068890be JJ |
282 | |
283 | /* Can be null if path is not set. */ | |
284 | if (!env) | |
285 | env = ""; | |
286 | orig_path = xstrdup (env); | |
0350914a | 287 | free_environ (environment); |
068890be | 288 | } |