Commit | Line | Data |
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068890be | 1 | /* MI Command Set - environment commands. |
61baf725 | 2 | Copyright (C) 2002-2017 Free Software Foundation, Inc. |
1bac305b | 3 | |
068890be JJ |
4 | Contributed by Red Hat Inc. |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
068890be JJ |
11 | (at your option) any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
068890be | 20 | |
068890be JJ |
21 | #include "defs.h" |
22 | #include "inferior.h" | |
23 | #include "value.h" | |
24 | #include "mi-out.h" | |
25 | #include "mi-cmds.h" | |
26 | #include "mi-getopt.h" | |
27 | #include "symtab.h" | |
28 | #include "target.h" | |
29 | #include "environ.h" | |
30 | #include "command.h" | |
31 | #include "ui-out.h" | |
32 | #include "top.h" | |
53ce3c39 | 33 | #include <sys/stat.h> |
4ef3f3be | 34 | |
068890be | 35 | static void env_mod_path (char *dirname, char **which_path); |
2b03b41d | 36 | |
068890be JJ |
37 | static const char path_var_name[] = "PATH"; |
38 | static char *orig_path = NULL; | |
39 | ||
d303380b AC |
40 | /* The following is copied from mi-main.c so for m1 and below we can |
41 | perform old behavior and use cli commands. If ARGS is non-null, | |
42 | append it to the CMD. */ | |
2b03b41d | 43 | |
068890be | 44 | static void |
d303380b | 45 | env_execute_cli_command (const char *cmd, const char *args) |
068890be | 46 | { |
d303380b | 47 | if (cmd != 0) |
068890be | 48 | { |
e91a1fa7 | 49 | gdb::unique_xmalloc_ptr<char> run; |
102040f0 | 50 | |
d303380b | 51 | if (args != NULL) |
e91a1fa7 | 52 | run.reset (xstrprintf ("%s %s", cmd, args)); |
d303380b | 53 | else |
e91a1fa7 TT |
54 | run.reset (xstrdup (cmd)); |
55 | execute_command ( /*ui */ run.get (), 0 /*from_tty */ ); | |
068890be JJ |
56 | } |
57 | } | |
58 | ||
068890be | 59 | /* Print working directory. */ |
2b03b41d | 60 | |
ce8f13f8 | 61 | void |
9f33b8b7 | 62 | mi_cmd_env_pwd (const char *command, char **argv, int argc) |
068890be | 63 | { |
79a45e25 PA |
64 | struct ui_out *uiout = current_uiout; |
65 | ||
068890be | 66 | if (argc > 0) |
2b03b41d | 67 | error (_("-environment-pwd: No arguments allowed")); |
068890be JJ |
68 | |
69 | if (mi_version (uiout) < 2) | |
70 | { | |
71 | env_execute_cli_command ("pwd", NULL); | |
ce8f13f8 | 72 | return; |
068890be JJ |
73 | } |
74 | ||
75 | /* Otherwise the mi level is 2 or higher. */ | |
76 | ||
43573013 SDJ |
77 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); |
78 | if (cwd == NULL) | |
1b05df00 | 79 | error (_("-environment-pwd: error finding name of working directory: %s"), |
bf1d7d9c | 80 | safe_strerror (errno)); |
43573013 SDJ |
81 | |
82 | uiout->field_string ("cwd", cwd.get ()); | |
068890be JJ |
83 | } |
84 | ||
85 | /* Change working directory. */ | |
2b03b41d | 86 | |
ce8f13f8 | 87 | void |
9f33b8b7 | 88 | mi_cmd_env_cd (const char *command, char **argv, int argc) |
068890be JJ |
89 | { |
90 | if (argc == 0 || argc > 1) | |
1b05df00 | 91 | error (_("-environment-cd: Usage DIRECTORY")); |
068890be | 92 | |
d303380b | 93 | env_execute_cli_command ("cd", argv[0]); |
068890be JJ |
94 | } |
95 | ||
96 | static void | |
97 | env_mod_path (char *dirname, char **which_path) | |
98 | { | |
99 | if (dirname == 0 || dirname[0] == '\0') | |
100 | return; | |
101 | ||
102 | /* Call add_path with last arg 0 to indicate not to parse for | |
103 | separator characters. */ | |
104 | add_path (dirname, which_path, 0); | |
105 | } | |
106 | ||
107 | /* Add one or more directories to start of executable search path. */ | |
2b03b41d | 108 | |
ce8f13f8 | 109 | void |
9f33b8b7 | 110 | mi_cmd_env_path (const char *command, char **argv, int argc) |
068890be | 111 | { |
79a45e25 | 112 | struct ui_out *uiout = current_uiout; |
068890be | 113 | char *exec_path; |
a121b7c1 | 114 | const char *env; |
068890be | 115 | int reset = 0; |
7082409d | 116 | int oind = 0; |
068890be | 117 | int i; |
7082409d | 118 | char *oarg; |
068890be JJ |
119 | enum opt |
120 | { | |
121 | RESET_OPT | |
122 | }; | |
91174723 | 123 | static const struct mi_opt opts[] = |
068890be JJ |
124 | { |
125 | {"r", RESET_OPT, 0}, | |
d5d6fca5 | 126 | { 0, 0, 0 } |
068890be JJ |
127 | }; |
128 | ||
129 | dont_repeat (); | |
130 | ||
131 | if (mi_version (uiout) < 2) | |
132 | { | |
133 | for (i = argc - 1; i >= 0; --i) | |
d303380b | 134 | env_execute_cli_command ("path", argv[i]); |
ce8f13f8 | 135 | return; |
068890be JJ |
136 | } |
137 | ||
138 | /* Otherwise the mi level is 2 or higher. */ | |
139 | while (1) | |
140 | { | |
1b05df00 | 141 | int opt = mi_getopt ("-environment-path", argc, argv, opts, |
7082409d | 142 | &oind, &oarg); |
102040f0 | 143 | |
068890be JJ |
144 | if (opt < 0) |
145 | break; | |
146 | switch ((enum opt) opt) | |
147 | { | |
148 | case RESET_OPT: | |
149 | reset = 1; | |
150 | break; | |
151 | } | |
152 | } | |
7082409d AS |
153 | argv += oind; |
154 | argc -= oind; | |
068890be JJ |
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. */ | |
9a6c7d9c | 165 | env = current_inferior ()->environment.get (path_var_name); |
068890be JJ |
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 | ||
9a6c7d9c | 176 | current_inferior ()->environment.set (path_var_name, exec_path); |
068890be | 177 | xfree (exec_path); |
9a6c7d9c | 178 | env = current_inferior ()->environment.get (path_var_name); |
112e8700 | 179 | uiout->field_string ("path", env); |
068890be JJ |
180 | } |
181 | ||
182 | /* Add zero or more directories to the front of the source path. */ | |
2b03b41d | 183 | |
ce8f13f8 | 184 | void |
9f33b8b7 | 185 | mi_cmd_env_dir (const char *command, char **argv, int argc) |
068890be | 186 | { |
79a45e25 | 187 | struct ui_out *uiout = current_uiout; |
068890be | 188 | int i; |
7082409d | 189 | int oind = 0; |
068890be | 190 | int reset = 0; |
7082409d | 191 | char *oarg; |
068890be JJ |
192 | enum opt |
193 | { | |
194 | RESET_OPT | |
195 | }; | |
91174723 | 196 | static const struct mi_opt opts[] = |
068890be JJ |
197 | { |
198 | {"r", RESET_OPT, 0}, | |
d5d6fca5 | 199 | { 0, 0, 0 } |
068890be JJ |
200 | }; |
201 | ||
202 | dont_repeat (); | |
203 | ||
204 | if (mi_version (uiout) < 2) | |
205 | { | |
206 | for (i = argc - 1; i >= 0; --i) | |
d303380b | 207 | env_execute_cli_command ("dir", argv[i]); |
ce8f13f8 | 208 | return; |
068890be JJ |
209 | } |
210 | ||
211 | /* Otherwise mi level is 2 or higher. */ | |
212 | while (1) | |
213 | { | |
1b05df00 | 214 | int opt = mi_getopt ("-environment-directory", argc, argv, opts, |
7082409d | 215 | &oind, &oarg); |
102040f0 | 216 | |
068890be JJ |
217 | if (opt < 0) |
218 | break; | |
219 | switch ((enum opt) opt) | |
220 | { | |
221 | case RESET_OPT: | |
222 | reset = 1; | |
223 | break; | |
224 | } | |
225 | } | |
7082409d AS |
226 | argv += oind; |
227 | argc -= oind; | |
068890be JJ |
228 | |
229 | if (reset) | |
230 | { | |
231 | /* Reset means setting to default path first. */ | |
232 | xfree (source_path); | |
233 | init_source_path (); | |
234 | } | |
235 | ||
236 | for (i = argc - 1; i >= 0; --i) | |
237 | env_mod_path (argv[i], &source_path); | |
068890be | 238 | |
112e8700 | 239 | uiout->field_string ("source-path", source_path); |
068890be | 240 | forget_cached_source_info (); |
068890be JJ |
241 | } |
242 | ||
3cb3b8df | 243 | /* Set the inferior terminal device name. */ |
2b03b41d | 244 | |
ce8f13f8 | 245 | void |
9f33b8b7 | 246 | mi_cmd_inferior_tty_set (const char *command, char **argv, int argc) |
3cb3b8df BR |
247 | { |
248 | set_inferior_io_terminal (argv[0]); | |
3cb3b8df BR |
249 | } |
250 | ||
2b03b41d SS |
251 | /* Print the inferior terminal device name. */ |
252 | ||
ce8f13f8 | 253 | void |
9f33b8b7 | 254 | mi_cmd_inferior_tty_show (const char *command, char **argv, int argc) |
3cb3b8df BR |
255 | { |
256 | const char *inferior_io_terminal = get_inferior_io_terminal (); | |
257 | ||
1b05df00 TT |
258 | if ( !mi_valid_noargs ("-inferior-tty-show", argc, argv)) |
259 | error (_("-inferior-tty-show: Usage: No args")); | |
3cb3b8df BR |
260 | |
261 | if (inferior_io_terminal) | |
112e8700 | 262 | current_uiout->field_string ("inferior_tty_terminal", inferior_io_terminal); |
3cb3b8df BR |
263 | } |
264 | ||
068890be JJ |
265 | void |
266 | _initialize_mi_cmd_env (void) | |
267 | { | |
a121b7c1 | 268 | const char *env; |
068890be | 269 | |
3f81c18a VP |
270 | /* We want original execution path to reset to, if desired later. |
271 | At this point, current inferior is not created, so cannot use | |
1c8e01c9 SDJ |
272 | current_inferior ()->environment. We use getenv here because it |
273 | is not necessary to create a whole new gdb_environ just for one | |
274 | variable. */ | |
275 | env = getenv (path_var_name); | |
068890be JJ |
276 | |
277 | /* Can be null if path is not set. */ | |
278 | if (!env) | |
279 | env = ""; | |
280 | orig_path = xstrdup (env); | |
281 | } |