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068890be JJ |
1 | /* MI Command Set - environment commands. |
2 | Copyright 2002 Free Software Foundation, Inc. | |
3 | Contributed by Red Hat Inc. | |
4 | ||
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
068890be JJ |
22 | #include "defs.h" |
23 | #include "inferior.h" | |
24 | #include "value.h" | |
25 | #include "mi-out.h" | |
26 | #include "mi-cmds.h" | |
27 | #include "mi-getopt.h" | |
28 | #include "symtab.h" | |
29 | #include "target.h" | |
30 | #include "environ.h" | |
31 | #include "command.h" | |
32 | #include "ui-out.h" | |
33 | #include "top.h" | |
34 | ||
4ef3f3be AC |
35 | #include "gdb_string.h" |
36 | #include <sys/stat.h> | |
37 | ||
068890be JJ |
38 | static void env_cli_command (const char *cli, char *args); |
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 | ||
45 | /* The following is copied from mi-main.c so for m1 and below we | |
46 | can perform old behavior and use cli commands. */ | |
47 | static void | |
48 | env_execute_cli_command (const char *cli, char *args) | |
49 | { | |
50 | if (cli != 0) | |
51 | { | |
52 | struct cleanup *old_cleanups; | |
53 | char *run; | |
54 | xasprintf (&run, cli, args); | |
55 | old_cleanups = make_cleanup (xfree, run); | |
56 | execute_command ( /*ui */ run, 0 /*from_tty */ ); | |
57 | do_cleanups (old_cleanups); | |
58 | return; | |
59 | } | |
60 | } | |
61 | ||
62 | ||
63 | /* Print working directory. */ | |
64 | enum mi_cmd_result | |
65 | mi_cmd_env_pwd (char *command, char **argv, int argc) | |
66 | { | |
67 | if (argc > 0) | |
68 | error ("mi_cmd_env_pwd: No arguments required"); | |
69 | ||
70 | if (mi_version (uiout) < 2) | |
71 | { | |
72 | env_execute_cli_command ("pwd", NULL); | |
73 | return MI_CMD_DONE; | |
74 | } | |
75 | ||
76 | /* Otherwise the mi level is 2 or higher. */ | |
77 | ||
78 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
79 | ui_out_field_string (uiout, "cwd", gdb_dirbuf); | |
80 | ||
81 | return MI_CMD_DONE; | |
82 | } | |
83 | ||
84 | /* Change working directory. */ | |
85 | enum mi_cmd_result | |
86 | mi_cmd_env_cd (char *command, char **argv, int argc) | |
87 | { | |
88 | if (argc == 0 || argc > 1) | |
89 | error ("mi_cmd_env_cd: Usage DIRECTORY"); | |
90 | ||
91 | env_execute_cli_command ("cd %s", argv[0]); | |
92 | ||
93 | return MI_CMD_DONE; | |
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. */ | |
108 | enum mi_cmd_result | |
109 | mi_cmd_env_path (char *command, char **argv, int argc) | |
110 | { | |
111 | char *exec_path; | |
112 | char *env; | |
113 | int reset = 0; | |
114 | int optind = 0; | |
115 | int i; | |
116 | char *optarg; | |
117 | enum opt | |
118 | { | |
119 | RESET_OPT | |
120 | }; | |
121 | static struct mi_opt opts[] = | |
122 | { | |
123 | {"r", RESET_OPT, 0}, | |
124 | 0 | |
125 | }; | |
126 | ||
127 | dont_repeat (); | |
128 | ||
129 | if (mi_version (uiout) < 2) | |
130 | { | |
131 | for (i = argc - 1; i >= 0; --i) | |
132 | env_execute_cli_command ("path %s", argv[i]); | |
133 | return MI_CMD_DONE; | |
134 | } | |
135 | ||
136 | /* Otherwise the mi level is 2 or higher. */ | |
137 | while (1) | |
138 | { | |
139 | int opt = mi_getopt ("mi_cmd_env_path", argc, argv, opts, | |
140 | &optind, &optarg); | |
141 | if (opt < 0) | |
142 | break; | |
143 | switch ((enum opt) opt) | |
144 | { | |
145 | case RESET_OPT: | |
146 | reset = 1; | |
147 | break; | |
148 | } | |
149 | } | |
150 | argv += optind; | |
151 | argc -= optind; | |
152 | ||
153 | ||
154 | if (reset) | |
155 | { | |
156 | /* Reset implies resetting to original path first. */ | |
157 | exec_path = xstrdup (orig_path); | |
158 | } | |
159 | else | |
160 | { | |
161 | /* Otherwise, get current path to modify. */ | |
162 | env = get_in_environ (inferior_environ, path_var_name); | |
163 | ||
164 | /* Can be null if path is not set. */ | |
165 | if (!env) | |
166 | env = ""; | |
167 | exec_path = xstrdup (env); | |
168 | } | |
169 | ||
170 | for (i = argc - 1; i >= 0; --i) | |
171 | env_mod_path (argv[i], &exec_path); | |
172 | ||
173 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
174 | xfree (exec_path); | |
175 | env = get_in_environ (inferior_environ, path_var_name); | |
176 | ui_out_field_string (uiout, "path", env); | |
177 | ||
178 | return MI_CMD_DONE; | |
179 | } | |
180 | ||
181 | /* Add zero or more directories to the front of the source path. */ | |
182 | enum mi_cmd_result | |
183 | mi_cmd_env_dir (char *command, char **argv, int argc) | |
184 | { | |
185 | int i; | |
186 | int optind = 0; | |
187 | int reset = 0; | |
188 | char *optarg; | |
189 | enum opt | |
190 | { | |
191 | RESET_OPT | |
192 | }; | |
193 | static struct mi_opt opts[] = | |
194 | { | |
195 | {"r", RESET_OPT, 0}, | |
196 | 0 | |
197 | }; | |
198 | ||
199 | dont_repeat (); | |
200 | ||
201 | if (mi_version (uiout) < 2) | |
202 | { | |
203 | for (i = argc - 1; i >= 0; --i) | |
204 | env_execute_cli_command ("dir %s", argv[i]); | |
205 | return MI_CMD_DONE; | |
206 | } | |
207 | ||
208 | /* Otherwise mi level is 2 or higher. */ | |
209 | while (1) | |
210 | { | |
211 | int opt = mi_getopt ("mi_cmd_env_dir", argc, argv, opts, | |
212 | &optind, &optarg); | |
213 | if (opt < 0) | |
214 | break; | |
215 | switch ((enum opt) opt) | |
216 | { | |
217 | case RESET_OPT: | |
218 | reset = 1; | |
219 | break; | |
220 | } | |
221 | } | |
222 | argv += optind; | |
223 | argc -= optind; | |
224 | ||
225 | if (reset) | |
226 | { | |
227 | /* Reset means setting to default path first. */ | |
228 | xfree (source_path); | |
229 | init_source_path (); | |
230 | } | |
231 | ||
232 | for (i = argc - 1; i >= 0; --i) | |
233 | env_mod_path (argv[i], &source_path); | |
234 | init_last_source_visited (); | |
235 | ||
236 | ui_out_field_string (uiout, "source-path", source_path); | |
237 | forget_cached_source_info (); | |
238 | ||
239 | return MI_CMD_DONE; | |
240 | } | |
241 | ||
242 | void | |
243 | _initialize_mi_cmd_env (void) | |
244 | { | |
245 | char *env; | |
246 | ||
247 | /* We want original execution path to reset to, if desired later. */ | |
248 | env = get_in_environ (inferior_environ, path_var_name); | |
249 | ||
250 | /* Can be null if path is not set. */ | |
251 | if (!env) | |
252 | env = ""; | |
253 | orig_path = xstrdup (env); | |
254 | } |