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068890be | 1 | /* MI Command Set - environment commands. |
3666a048 | 2 | Copyright (C) 2002-2021 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")); |
dda83cd7 | 67 | |
068890be JJ |
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"), |
dda83cd7 | 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")); |
dda83cd7 | 91 | |
d303380b | 92 | env_execute_cli_command ("cd", argv[0]); |
068890be JJ |
93 | } |
94 | ||
95 | static void | |
e0700ba4 | 96 | env_mod_path (const char *dirname, std::string &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; |
a121b7c1 | 112 | const char *env; |
068890be | 113 | int reset = 0; |
7082409d | 114 | int oind = 0; |
068890be | 115 | int i; |
7082409d | 116 | char *oarg; |
068890be JJ |
117 | enum opt |
118 | { | |
119 | RESET_OPT | |
120 | }; | |
91174723 | 121 | static const struct mi_opt opts[] = |
068890be JJ |
122 | { |
123 | {"r", RESET_OPT, 0}, | |
d5d6fca5 | 124 | { 0, 0, 0 } |
068890be JJ |
125 | }; |
126 | ||
127 | dont_repeat (); | |
128 | ||
129 | if (mi_version (uiout) < 2) | |
130 | { | |
131 | for (i = argc - 1; i >= 0; --i) | |
d303380b | 132 | env_execute_cli_command ("path", argv[i]); |
ce8f13f8 | 133 | return; |
068890be JJ |
134 | } |
135 | ||
136 | /* Otherwise the mi level is 2 or higher. */ | |
137 | while (1) | |
138 | { | |
1b05df00 | 139 | int opt = mi_getopt ("-environment-path", argc, argv, opts, |
dda83cd7 | 140 | &oind, &oarg); |
102040f0 | 141 | |
068890be | 142 | if (opt < 0) |
dda83cd7 | 143 | break; |
068890be | 144 | switch ((enum opt) opt) |
dda83cd7 SM |
145 | { |
146 | case RESET_OPT: | |
147 | reset = 1; | |
148 | break; | |
149 | } | |
068890be | 150 | } |
7082409d AS |
151 | argv += oind; |
152 | argc -= oind; | |
068890be | 153 | |
e0700ba4 | 154 | std::string exec_path; |
068890be JJ |
155 | if (reset) |
156 | { | |
157 | /* Reset implies resetting to original path first. */ | |
e0700ba4 | 158 | exec_path = orig_path; |
068890be JJ |
159 | } |
160 | else | |
161 | { | |
162 | /* Otherwise, get current path to modify. */ | |
9a6c7d9c | 163 | env = current_inferior ()->environment.get (path_var_name); |
068890be JJ |
164 | |
165 | /* Can be null if path is not set. */ | |
166 | if (!env) | |
dda83cd7 | 167 | env = ""; |
e0700ba4 SM |
168 | |
169 | exec_path = env; | |
068890be JJ |
170 | } |
171 | ||
172 | for (i = argc - 1; i >= 0; --i) | |
e0700ba4 | 173 | env_mod_path (argv[i], exec_path); |
068890be | 174 | |
e0700ba4 | 175 | current_inferior ()->environment.set (path_var_name, exec_path.c_str ()); |
9a6c7d9c | 176 | env = current_inferior ()->environment.get (path_var_name); |
112e8700 | 177 | uiout->field_string ("path", env); |
068890be JJ |
178 | } |
179 | ||
180 | /* Add zero or more directories to the front of the source path. */ | |
2b03b41d | 181 | |
ce8f13f8 | 182 | void |
9f33b8b7 | 183 | mi_cmd_env_dir (const char *command, char **argv, int argc) |
068890be | 184 | { |
79a45e25 | 185 | struct ui_out *uiout = current_uiout; |
068890be | 186 | int i; |
7082409d | 187 | int oind = 0; |
068890be | 188 | int reset = 0; |
7082409d | 189 | char *oarg; |
068890be JJ |
190 | enum opt |
191 | { | |
192 | RESET_OPT | |
193 | }; | |
91174723 | 194 | static const struct mi_opt opts[] = |
068890be JJ |
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 | { | |
1b05df00 | 212 | int opt = mi_getopt ("-environment-directory", argc, argv, opts, |
dda83cd7 | 213 | &oind, &oarg); |
102040f0 | 214 | |
068890be | 215 | if (opt < 0) |
dda83cd7 | 216 | break; |
068890be | 217 | switch ((enum opt) opt) |
dda83cd7 SM |
218 | { |
219 | case RESET_OPT: | |
220 | reset = 1; | |
221 | break; | |
222 | } | |
068890be | 223 | } |
7082409d AS |
224 | argv += oind; |
225 | argc -= oind; | |
068890be JJ |
226 | |
227 | if (reset) | |
228 | { | |
229 | /* Reset means setting to default path first. */ | |
068890be JJ |
230 | init_source_path (); |
231 | } | |
232 | ||
233 | for (i = argc - 1; i >= 0; --i) | |
e0700ba4 | 234 | env_mod_path (argv[i], source_path); |
068890be | 235 | |
112e8700 | 236 | uiout->field_string ("source-path", source_path); |
068890be | 237 | forget_cached_source_info (); |
068890be JJ |
238 | } |
239 | ||
3cb3b8df | 240 | /* Set the inferior terminal device name. */ |
2b03b41d | 241 | |
ce8f13f8 | 242 | void |
9f33b8b7 | 243 | mi_cmd_inferior_tty_set (const char *command, char **argv, int argc) |
3cb3b8df | 244 | { |
4e93ea6e SM |
245 | if (argc > 0) |
246 | current_inferior ()->set_tty (argv[0]); | |
247 | else | |
248 | current_inferior ()->set_tty (""); | |
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 | 255 | { |
1b05df00 TT |
256 | if ( !mi_valid_noargs ("-inferior-tty-show", argc, argv)) |
257 | error (_("-inferior-tty-show: Usage: No args")); | |
3cb3b8df | 258 | |
4e93ea6e SM |
259 | const std::string &inferior_tty = current_inferior ()->tty (); |
260 | if (!inferior_tty.empty ()) | |
05779d57 | 261 | current_uiout->field_string ("inferior_tty_terminal", inferior_tty); |
3cb3b8df BR |
262 | } |
263 | ||
6c265988 | 264 | void _initialize_mi_cmd_env (); |
068890be | 265 | void |
6c265988 | 266 | _initialize_mi_cmd_env () |
068890be | 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 | } |