Commit | Line | Data |
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068890be | 1 | /* MI Command Set - environment commands. |
1bac305b AC |
2 | |
3 | Copyright 2002, 2003 Free Software Foundation, Inc. | |
4 | ||
068890be JJ |
5 | Contributed by Red Hat Inc. |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
23 | ||
068890be JJ |
24 | #include "defs.h" |
25 | #include "inferior.h" | |
26 | #include "value.h" | |
27 | #include "mi-out.h" | |
28 | #include "mi-cmds.h" | |
29 | #include "mi-getopt.h" | |
30 | #include "symtab.h" | |
31 | #include "target.h" | |
32 | #include "environ.h" | |
33 | #include "command.h" | |
34 | #include "ui-out.h" | |
35 | #include "top.h" | |
36 | ||
4ef3f3be AC |
37 | #include "gdb_string.h" |
38 | #include <sys/stat.h> | |
39 | ||
068890be JJ |
40 | static void env_cli_command (const char *cli, char *args); |
41 | static void env_mod_path (char *dirname, char **which_path); | |
42 | extern void _initialize_mi_cmd_env (void); | |
43 | ||
44 | static const char path_var_name[] = "PATH"; | |
45 | static char *orig_path = NULL; | |
46 | ||
47 | /* The following is copied from mi-main.c so for m1 and below we | |
48 | can perform old behavior and use cli commands. */ | |
49 | static void | |
50 | env_execute_cli_command (const char *cli, char *args) | |
51 | { | |
52 | if (cli != 0) | |
53 | { | |
54 | struct cleanup *old_cleanups; | |
55 | char *run; | |
56 | xasprintf (&run, cli, args); | |
57 | old_cleanups = make_cleanup (xfree, run); | |
58 | execute_command ( /*ui */ run, 0 /*from_tty */ ); | |
59 | do_cleanups (old_cleanups); | |
60 | return; | |
61 | } | |
62 | } | |
63 | ||
64 | ||
65 | /* Print working directory. */ | |
66 | enum mi_cmd_result | |
67 | mi_cmd_env_pwd (char *command, char **argv, int argc) | |
68 | { | |
69 | if (argc > 0) | |
70 | error ("mi_cmd_env_pwd: No arguments required"); | |
71 | ||
72 | if (mi_version (uiout) < 2) | |
73 | { | |
74 | env_execute_cli_command ("pwd", NULL); | |
75 | return MI_CMD_DONE; | |
76 | } | |
77 | ||
78 | /* Otherwise the mi level is 2 or higher. */ | |
79 | ||
80 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
81 | ui_out_field_string (uiout, "cwd", gdb_dirbuf); | |
82 | ||
83 | return MI_CMD_DONE; | |
84 | } | |
85 | ||
86 | /* Change working directory. */ | |
87 | enum mi_cmd_result | |
88 | mi_cmd_env_cd (char *command, char **argv, int argc) | |
89 | { | |
90 | if (argc == 0 || argc > 1) | |
91 | error ("mi_cmd_env_cd: Usage DIRECTORY"); | |
92 | ||
93 | env_execute_cli_command ("cd %s", argv[0]); | |
94 | ||
95 | return MI_CMD_DONE; | |
96 | } | |
97 | ||
98 | static void | |
99 | env_mod_path (char *dirname, char **which_path) | |
100 | { | |
101 | if (dirname == 0 || dirname[0] == '\0') | |
102 | return; | |
103 | ||
104 | /* Call add_path with last arg 0 to indicate not to parse for | |
105 | separator characters. */ | |
106 | add_path (dirname, which_path, 0); | |
107 | } | |
108 | ||
109 | /* Add one or more directories to start of executable search path. */ | |
110 | enum mi_cmd_result | |
111 | mi_cmd_env_path (char *command, char **argv, int argc) | |
112 | { | |
113 | char *exec_path; | |
114 | char *env; | |
115 | int reset = 0; | |
116 | int optind = 0; | |
117 | int i; | |
118 | char *optarg; | |
119 | enum opt | |
120 | { | |
121 | RESET_OPT | |
122 | }; | |
123 | static struct mi_opt opts[] = | |
124 | { | |
125 | {"r", RESET_OPT, 0}, | |
126 | 0 | |
127 | }; | |
128 | ||
129 | dont_repeat (); | |
130 | ||
131 | if (mi_version (uiout) < 2) | |
132 | { | |
133 | for (i = argc - 1; i >= 0; --i) | |
134 | env_execute_cli_command ("path %s", argv[i]); | |
135 | return MI_CMD_DONE; | |
136 | } | |
137 | ||
138 | /* Otherwise the mi level is 2 or higher. */ | |
139 | while (1) | |
140 | { | |
141 | int opt = mi_getopt ("mi_cmd_env_path", argc, argv, opts, | |
142 | &optind, &optarg); | |
143 | if (opt < 0) | |
144 | break; | |
145 | switch ((enum opt) opt) | |
146 | { | |
147 | case RESET_OPT: | |
148 | reset = 1; | |
149 | break; | |
150 | } | |
151 | } | |
152 | argv += optind; | |
153 | argc -= optind; | |
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. */ | |
164 | env = get_in_environ (inferior_environ, path_var_name); | |
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 | ||
175 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
176 | xfree (exec_path); | |
177 | env = get_in_environ (inferior_environ, path_var_name); | |
178 | ui_out_field_string (uiout, "path", env); | |
179 | ||
180 | return MI_CMD_DONE; | |
181 | } | |
182 | ||
183 | /* Add zero or more directories to the front of the source path. */ | |
184 | enum mi_cmd_result | |
185 | mi_cmd_env_dir (char *command, char **argv, int argc) | |
186 | { | |
187 | int i; | |
188 | int optind = 0; | |
189 | int reset = 0; | |
190 | char *optarg; | |
191 | enum opt | |
192 | { | |
193 | RESET_OPT | |
194 | }; | |
195 | static struct mi_opt opts[] = | |
196 | { | |
197 | {"r", RESET_OPT, 0}, | |
198 | 0 | |
199 | }; | |
200 | ||
201 | dont_repeat (); | |
202 | ||
203 | if (mi_version (uiout) < 2) | |
204 | { | |
205 | for (i = argc - 1; i >= 0; --i) | |
206 | env_execute_cli_command ("dir %s", argv[i]); | |
207 | return MI_CMD_DONE; | |
208 | } | |
209 | ||
210 | /* Otherwise mi level is 2 or higher. */ | |
211 | while (1) | |
212 | { | |
213 | int opt = mi_getopt ("mi_cmd_env_dir", argc, argv, opts, | |
214 | &optind, &optarg); | |
215 | if (opt < 0) | |
216 | break; | |
217 | switch ((enum opt) opt) | |
218 | { | |
219 | case RESET_OPT: | |
220 | reset = 1; | |
221 | break; | |
222 | } | |
223 | } | |
224 | argv += optind; | |
225 | argc -= optind; | |
226 | ||
227 | if (reset) | |
228 | { | |
229 | /* Reset means setting to default path first. */ | |
230 | xfree (source_path); | |
231 | init_source_path (); | |
232 | } | |
233 | ||
234 | for (i = argc - 1; i >= 0; --i) | |
235 | env_mod_path (argv[i], &source_path); | |
236 | init_last_source_visited (); | |
237 | ||
238 | ui_out_field_string (uiout, "source-path", source_path); | |
239 | forget_cached_source_info (); | |
240 | ||
241 | return MI_CMD_DONE; | |
242 | } | |
243 | ||
244 | void | |
245 | _initialize_mi_cmd_env (void) | |
246 | { | |
247 | char *env; | |
248 | ||
249 | /* We want original execution path to reset to, if desired later. */ | |
250 | env = get_in_environ (inferior_environ, path_var_name); | |
251 | ||
252 | /* Can be null if path is not set. */ | |
253 | if (!env) | |
254 | env = ""; | |
255 | orig_path = xstrdup (env); | |
256 | } |