| /* MI Command Set - environment commands. |
| Copyright (C) 2002-2004, 2007-2012 Free Software Foundation, Inc. |
| |
| Contributed by Red Hat Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "defs.h" |
| #include "inferior.h" |
| #include "value.h" |
| #include "mi-out.h" |
| #include "mi-cmds.h" |
| #include "mi-getopt.h" |
| #include "symtab.h" |
| #include "target.h" |
| #include "environ.h" |
| #include "command.h" |
| #include "ui-out.h" |
| #include "top.h" |
| |
| #include "gdb_string.h" |
| #include "gdb_stat.h" |
| |
| static void env_mod_path (char *dirname, char **which_path); |
| |
| extern void _initialize_mi_cmd_env (void); |
| |
| static const char path_var_name[] = "PATH"; |
| static char *orig_path = NULL; |
| |
| /* The following is copied from mi-main.c so for m1 and below we can |
| perform old behavior and use cli commands. If ARGS is non-null, |
| append it to the CMD. */ |
| |
| static void |
| env_execute_cli_command (const char *cmd, const char *args) |
| { |
| if (cmd != 0) |
| { |
| struct cleanup *old_cleanups; |
| char *run; |
| |
| if (args != NULL) |
| run = xstrprintf ("%s %s", cmd, args); |
| else |
| run = xstrdup (cmd); |
| old_cleanups = make_cleanup (xfree, run); |
| execute_command ( /*ui */ run, 0 /*from_tty */ ); |
| do_cleanups (old_cleanups); |
| return; |
| } |
| } |
| |
| /* Print working directory. */ |
| |
| void |
| mi_cmd_env_pwd (char *command, char **argv, int argc) |
| { |
| struct ui_out *uiout = current_uiout; |
| |
| if (argc > 0) |
| error (_("-environment-pwd: No arguments allowed")); |
| |
| if (mi_version (uiout) < 2) |
| { |
| env_execute_cli_command ("pwd", NULL); |
| return; |
| } |
| |
| /* Otherwise the mi level is 2 or higher. */ |
| |
| if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
| error (_("-environment-pwd: error finding name of working directory: %s"), |
| safe_strerror (errno)); |
| |
| ui_out_field_string (uiout, "cwd", gdb_dirbuf); |
| } |
| |
| /* Change working directory. */ |
| |
| void |
| mi_cmd_env_cd (char *command, char **argv, int argc) |
| { |
| if (argc == 0 || argc > 1) |
| error (_("-environment-cd: Usage DIRECTORY")); |
| |
| env_execute_cli_command ("cd", argv[0]); |
| } |
| |
| static void |
| env_mod_path (char *dirname, char **which_path) |
| { |
| if (dirname == 0 || dirname[0] == '\0') |
| return; |
| |
| /* Call add_path with last arg 0 to indicate not to parse for |
| separator characters. */ |
| add_path (dirname, which_path, 0); |
| } |
| |
| /* Add one or more directories to start of executable search path. */ |
| |
| void |
| mi_cmd_env_path (char *command, char **argv, int argc) |
| { |
| struct ui_out *uiout = current_uiout; |
| char *exec_path; |
| char *env; |
| int reset = 0; |
| int oind = 0; |
| int i; |
| char *oarg; |
| enum opt |
| { |
| RESET_OPT |
| }; |
| static const struct mi_opt opts[] = |
| { |
| {"r", RESET_OPT, 0}, |
| { 0, 0, 0 } |
| }; |
| |
| dont_repeat (); |
| |
| if (mi_version (uiout) < 2) |
| { |
| for (i = argc - 1; i >= 0; --i) |
| env_execute_cli_command ("path", argv[i]); |
| return; |
| } |
| |
| /* Otherwise the mi level is 2 or higher. */ |
| while (1) |
| { |
| int opt = mi_getopt ("-environment-path", argc, argv, opts, |
| &oind, &oarg); |
| |
| if (opt < 0) |
| break; |
| switch ((enum opt) opt) |
| { |
| case RESET_OPT: |
| reset = 1; |
| break; |
| } |
| } |
| argv += oind; |
| argc -= oind; |
| |
| |
| if (reset) |
| { |
| /* Reset implies resetting to original path first. */ |
| exec_path = xstrdup (orig_path); |
| } |
| else |
| { |
| /* Otherwise, get current path to modify. */ |
| env = get_in_environ (current_inferior ()->environment, path_var_name); |
| |
| /* Can be null if path is not set. */ |
| if (!env) |
| env = ""; |
| exec_path = xstrdup (env); |
| } |
| |
| for (i = argc - 1; i >= 0; --i) |
| env_mod_path (argv[i], &exec_path); |
| |
| set_in_environ (current_inferior ()->environment, path_var_name, exec_path); |
| xfree (exec_path); |
| env = get_in_environ (current_inferior ()->environment, path_var_name); |
| ui_out_field_string (uiout, "path", env); |
| } |
| |
| /* Add zero or more directories to the front of the source path. */ |
| |
| void |
| mi_cmd_env_dir (char *command, char **argv, int argc) |
| { |
| struct ui_out *uiout = current_uiout; |
| int i; |
| int oind = 0; |
| int reset = 0; |
| char *oarg; |
| enum opt |
| { |
| RESET_OPT |
| }; |
| static const struct mi_opt opts[] = |
| { |
| {"r", RESET_OPT, 0}, |
| { 0, 0, 0 } |
| }; |
| |
| dont_repeat (); |
| |
| if (mi_version (uiout) < 2) |
| { |
| for (i = argc - 1; i >= 0; --i) |
| env_execute_cli_command ("dir", argv[i]); |
| return; |
| } |
| |
| /* Otherwise mi level is 2 or higher. */ |
| while (1) |
| { |
| int opt = mi_getopt ("-environment-directory", argc, argv, opts, |
| &oind, &oarg); |
| |
| if (opt < 0) |
| break; |
| switch ((enum opt) opt) |
| { |
| case RESET_OPT: |
| reset = 1; |
| break; |
| } |
| } |
| argv += oind; |
| argc -= oind; |
| |
| if (reset) |
| { |
| /* Reset means setting to default path first. */ |
| xfree (source_path); |
| init_source_path (); |
| } |
| |
| for (i = argc - 1; i >= 0; --i) |
| env_mod_path (argv[i], &source_path); |
| |
| ui_out_field_string (uiout, "source-path", source_path); |
| forget_cached_source_info (); |
| } |
| |
| /* Set the inferior terminal device name. */ |
| |
| void |
| mi_cmd_inferior_tty_set (char *command, char **argv, int argc) |
| { |
| set_inferior_io_terminal (argv[0]); |
| } |
| |
| /* Print the inferior terminal device name. */ |
| |
| void |
| mi_cmd_inferior_tty_show (char *command, char **argv, int argc) |
| { |
| const char *inferior_io_terminal = get_inferior_io_terminal (); |
| |
| if ( !mi_valid_noargs ("-inferior-tty-show", argc, argv)) |
| error (_("-inferior-tty-show: Usage: No args")); |
| |
| if (inferior_io_terminal) |
| ui_out_field_string (current_uiout, |
| "inferior_tty_terminal", inferior_io_terminal); |
| } |
| |
| void |
| _initialize_mi_cmd_env (void) |
| { |
| struct gdb_environ *environment; |
| char *env; |
| |
| /* We want original execution path to reset to, if desired later. |
| At this point, current inferior is not created, so cannot use |
| current_inferior ()->environment. Also, there's no obvious |
| place where this code can be moved such that it surely run |
| before any code possibly mangles original PATH. */ |
| environment = make_environ (); |
| init_environ (environment); |
| env = get_in_environ (environment, path_var_name); |
| |
| /* Can be null if path is not set. */ |
| if (!env) |
| env = ""; |
| orig_path = xstrdup (env); |
| free_environ (environment); |
| } |