Commit | Line | Data |
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068890be | 1 | /* MI Command Set - environment commands. |
42a4f53d | 2 | Copyright (C) 2002-2019 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" | |
268a13a5 | 29 | #include "gdbsupport/environ.h" |
068890be JJ |
30 | #include "command.h" |
31 | #include "ui-out.h" | |
32 | #include "top.h" | |
53ce3c39 | 33 | #include <sys/stat.h> |
b46a8d7c | 34 | #include "source.h" |
4ef3f3be | 35 | |
068890be JJ |
36 | static const char path_var_name[] = "PATH"; |
37 | static char *orig_path = NULL; | |
38 | ||
d303380b AC |
39 | /* The following is copied from mi-main.c so for m1 and below we can |
40 | perform old behavior and use cli commands. If ARGS is non-null, | |
41 | append it to the CMD. */ | |
2b03b41d | 42 | |
068890be | 43 | static void |
d303380b | 44 | env_execute_cli_command (const char *cmd, const char *args) |
068890be | 45 | { |
d303380b | 46 | if (cmd != 0) |
068890be | 47 | { |
e91a1fa7 | 48 | gdb::unique_xmalloc_ptr<char> run; |
102040f0 | 49 | |
d303380b | 50 | if (args != NULL) |
e91a1fa7 | 51 | run.reset (xstrprintf ("%s %s", cmd, args)); |
d303380b | 52 | else |
e91a1fa7 TT |
53 | run.reset (xstrdup (cmd)); |
54 | execute_command ( /*ui */ run.get (), 0 /*from_tty */ ); | |
068890be JJ |
55 | } |
56 | } | |
57 | ||
068890be | 58 | /* Print working directory. */ |
2b03b41d | 59 | |
ce8f13f8 | 60 | void |
9f33b8b7 | 61 | mi_cmd_env_pwd (const char *command, char **argv, int argc) |
068890be | 62 | { |
79a45e25 PA |
63 | struct ui_out *uiout = current_uiout; |
64 | ||
068890be | 65 | if (argc > 0) |
2b03b41d | 66 | error (_("-environment-pwd: No arguments allowed")); |
068890be JJ |
67 | |
68 | if (mi_version (uiout) < 2) | |
69 | { | |
70 | env_execute_cli_command ("pwd", NULL); | |
ce8f13f8 | 71 | return; |
068890be JJ |
72 | } |
73 | ||
74 | /* Otherwise the mi level is 2 or higher. */ | |
75 | ||
43573013 SDJ |
76 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); |
77 | if (cwd == NULL) | |
1b05df00 | 78 | error (_("-environment-pwd: error finding name of working directory: %s"), |
bf1d7d9c | 79 | safe_strerror (errno)); |
43573013 SDJ |
80 | |
81 | uiout->field_string ("cwd", cwd.get ()); | |
068890be JJ |
82 | } |
83 | ||
84 | /* Change working directory. */ | |
2b03b41d | 85 | |
ce8f13f8 | 86 | void |
9f33b8b7 | 87 | mi_cmd_env_cd (const char *command, char **argv, int argc) |
068890be JJ |
88 | { |
89 | if (argc == 0 || argc > 1) | |
1b05df00 | 90 | error (_("-environment-cd: Usage DIRECTORY")); |
068890be | 91 | |
d303380b | 92 | env_execute_cli_command ("cd", argv[0]); |
068890be JJ |
93 | } |
94 | ||
95 | static void | |
5614fb77 | 96 | env_mod_path (const char *dirname, char **which_path) |
068890be JJ |
97 | { |
98 | if (dirname == 0 || dirname[0] == '\0') | |
99 | return; | |
100 | ||
101 | /* Call add_path with last arg 0 to indicate not to parse for | |
102 | separator characters. */ | |
103 | add_path (dirname, which_path, 0); | |
104 | } | |
105 | ||
106 | /* Add one or more directories to start of executable search path. */ | |
2b03b41d | 107 | |
ce8f13f8 | 108 | void |
9f33b8b7 | 109 | mi_cmd_env_path (const char *command, char **argv, int argc) |
068890be | 110 | { |
79a45e25 | 111 | struct ui_out *uiout = current_uiout; |
068890be | 112 | char *exec_path; |
a121b7c1 | 113 | const char *env; |
068890be | 114 | int reset = 0; |
7082409d | 115 | int oind = 0; |
068890be | 116 | int i; |
7082409d | 117 | char *oarg; |
068890be JJ |
118 | enum opt |
119 | { | |
120 | RESET_OPT | |
121 | }; | |
91174723 | 122 | static const struct mi_opt opts[] = |
068890be JJ |
123 | { |
124 | {"r", RESET_OPT, 0}, | |
d5d6fca5 | 125 | { 0, 0, 0 } |
068890be JJ |
126 | }; |
127 | ||
128 | dont_repeat (); | |
129 | ||
130 | if (mi_version (uiout) < 2) | |
131 | { | |
132 | for (i = argc - 1; i >= 0; --i) | |
d303380b | 133 | env_execute_cli_command ("path", argv[i]); |
ce8f13f8 | 134 | return; |
068890be JJ |
135 | } |
136 | ||
137 | /* Otherwise the mi level is 2 or higher. */ | |
138 | while (1) | |
139 | { | |
1b05df00 | 140 | int opt = mi_getopt ("-environment-path", argc, argv, opts, |
7082409d | 141 | &oind, &oarg); |
102040f0 | 142 | |
068890be JJ |
143 | if (opt < 0) |
144 | break; | |
145 | switch ((enum opt) opt) | |
146 | { | |
147 | case RESET_OPT: | |
148 | reset = 1; | |
149 | break; | |
150 | } | |
151 | } | |
7082409d AS |
152 | argv += oind; |
153 | argc -= oind; | |
068890be JJ |
154 | |
155 | ||
156 | if (reset) | |
157 | { | |
158 | /* Reset implies resetting to original path first. */ | |
159 | exec_path = xstrdup (orig_path); | |
160 | } | |
161 | else | |
162 | { | |
163 | /* Otherwise, get current path to modify. */ | |
9a6c7d9c | 164 | env = current_inferior ()->environment.get (path_var_name); |
068890be JJ |
165 | |
166 | /* Can be null if path is not set. */ | |
167 | if (!env) | |
168 | env = ""; | |
169 | exec_path = xstrdup (env); | |
170 | } | |
171 | ||
172 | for (i = argc - 1; i >= 0; --i) | |
173 | env_mod_path (argv[i], &exec_path); | |
174 | ||
9a6c7d9c | 175 | current_inferior ()->environment.set (path_var_name, exec_path); |
068890be | 176 | xfree (exec_path); |
9a6c7d9c | 177 | env = current_inferior ()->environment.get (path_var_name); |
112e8700 | 178 | uiout->field_string ("path", env); |
068890be JJ |
179 | } |
180 | ||
181 | /* Add zero or more directories to the front of the source path. */ | |
2b03b41d | 182 | |
ce8f13f8 | 183 | void |
9f33b8b7 | 184 | mi_cmd_env_dir (const char *command, char **argv, int argc) |
068890be | 185 | { |
79a45e25 | 186 | struct ui_out *uiout = current_uiout; |
068890be | 187 | int i; |
7082409d | 188 | int oind = 0; |
068890be | 189 | int reset = 0; |
7082409d | 190 | char *oarg; |
068890be JJ |
191 | enum opt |
192 | { | |
193 | RESET_OPT | |
194 | }; | |
91174723 | 195 | static const struct mi_opt opts[] = |
068890be JJ |
196 | { |
197 | {"r", RESET_OPT, 0}, | |
d5d6fca5 | 198 | { 0, 0, 0 } |
068890be JJ |
199 | }; |
200 | ||
201 | dont_repeat (); | |
202 | ||
203 | if (mi_version (uiout) < 2) | |
204 | { | |
205 | for (i = argc - 1; i >= 0; --i) | |
d303380b | 206 | env_execute_cli_command ("dir", argv[i]); |
ce8f13f8 | 207 | return; |
068890be JJ |
208 | } |
209 | ||
210 | /* Otherwise mi level is 2 or higher. */ | |
211 | while (1) | |
212 | { | |
1b05df00 | 213 | int opt = mi_getopt ("-environment-directory", argc, argv, opts, |
7082409d | 214 | &oind, &oarg); |
102040f0 | 215 | |
068890be JJ |
216 | if (opt < 0) |
217 | break; | |
218 | switch ((enum opt) opt) | |
219 | { | |
220 | case RESET_OPT: | |
221 | reset = 1; | |
222 | break; | |
223 | } | |
224 | } | |
7082409d AS |
225 | argv += oind; |
226 | argc -= oind; | |
068890be JJ |
227 | |
228 | if (reset) | |
229 | { | |
230 | /* Reset means setting to default path first. */ | |
231 | xfree (source_path); | |
232 | init_source_path (); | |
233 | } | |
234 | ||
235 | for (i = argc - 1; i >= 0; --i) | |
236 | env_mod_path (argv[i], &source_path); | |
068890be | 237 | |
112e8700 | 238 | uiout->field_string ("source-path", source_path); |
068890be | 239 | forget_cached_source_info (); |
068890be JJ |
240 | } |
241 | ||
3cb3b8df | 242 | /* Set the inferior terminal device name. */ |
2b03b41d | 243 | |
ce8f13f8 | 244 | void |
9f33b8b7 | 245 | mi_cmd_inferior_tty_set (const char *command, char **argv, int argc) |
3cb3b8df BR |
246 | { |
247 | set_inferior_io_terminal (argv[0]); | |
3cb3b8df BR |
248 | } |
249 | ||
2b03b41d SS |
250 | /* Print the inferior terminal device name. */ |
251 | ||
ce8f13f8 | 252 | void |
9f33b8b7 | 253 | mi_cmd_inferior_tty_show (const char *command, char **argv, int argc) |
3cb3b8df BR |
254 | { |
255 | const char *inferior_io_terminal = get_inferior_io_terminal (); | |
256 | ||
1b05df00 TT |
257 | if ( !mi_valid_noargs ("-inferior-tty-show", argc, argv)) |
258 | error (_("-inferior-tty-show: Usage: No args")); | |
3cb3b8df BR |
259 | |
260 | if (inferior_io_terminal) | |
112e8700 | 261 | current_uiout->field_string ("inferior_tty_terminal", inferior_io_terminal); |
3cb3b8df BR |
262 | } |
263 | ||
068890be JJ |
264 | void |
265 | _initialize_mi_cmd_env (void) | |
266 | { | |
a121b7c1 | 267 | const char *env; |
068890be | 268 | |
3f81c18a VP |
269 | /* We want original execution path to reset to, if desired later. |
270 | At this point, current inferior is not created, so cannot use | |
1c8e01c9 SDJ |
271 | current_inferior ()->environment. We use getenv here because it |
272 | is not necessary to create a whole new gdb_environ just for one | |
273 | variable. */ | |
274 | env = getenv (path_var_name); | |
068890be JJ |
275 | |
276 | /* Can be null if path is not set. */ | |
277 | if (!env) | |
278 | env = ""; | |
279 | orig_path = xstrdup (env); | |
280 | } |