diff options
Diffstat (limited to 'contrib/gdb/gdb/mi/mi-cmd-env.c')
| -rw-r--r-- | contrib/gdb/gdb/mi/mi-cmd-env.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/mi/mi-cmd-env.c b/contrib/gdb/gdb/mi/mi-cmd-env.c new file mode 100644 index 0000000..439c719 --- /dev/null +++ b/contrib/gdb/gdb/mi/mi-cmd-env.c @@ -0,0 +1,259 @@ +/* MI Command Set - environment commands. + + Copyright 2002, 2003, 2004 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#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) + xasprintf (&run, "%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. */ +enum mi_cmd_result +mi_cmd_env_pwd (char *command, char **argv, int argc) +{ + if (argc > 0) + error ("mi_cmd_env_pwd: No arguments required"); + + if (mi_version (uiout) < 2) + { + env_execute_cli_command ("pwd", NULL); + return MI_CMD_DONE; + } + + /* Otherwise the mi level is 2 or higher. */ + + getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); + ui_out_field_string (uiout, "cwd", gdb_dirbuf); + + return MI_CMD_DONE; +} + +/* Change working directory. */ +enum mi_cmd_result +mi_cmd_env_cd (char *command, char **argv, int argc) +{ + if (argc == 0 || argc > 1) + error ("mi_cmd_env_cd: Usage DIRECTORY"); + + env_execute_cli_command ("cd", argv[0]); + + return MI_CMD_DONE; +} + +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. */ +enum mi_cmd_result +mi_cmd_env_path (char *command, char **argv, int argc) +{ + char *exec_path; + char *env; + int reset = 0; + int optind = 0; + int i; + char *optarg; + enum opt + { + RESET_OPT + }; + static struct mi_opt opts[] = + { + {"r", RESET_OPT, 0}, + 0 + }; + + dont_repeat (); + + if (mi_version (uiout) < 2) + { + for (i = argc - 1; i >= 0; --i) + env_execute_cli_command ("path", argv[i]); + return MI_CMD_DONE; + } + + /* Otherwise the mi level is 2 or higher. */ + while (1) + { + int opt = mi_getopt ("mi_cmd_env_path", argc, argv, opts, + &optind, &optarg); + if (opt < 0) + break; + switch ((enum opt) opt) + { + case RESET_OPT: + reset = 1; + break; + } + } + argv += optind; + argc -= optind; + + + 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 (inferior_environ, 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 (inferior_environ, path_var_name, exec_path); + xfree (exec_path); + env = get_in_environ (inferior_environ, path_var_name); + ui_out_field_string (uiout, "path", env); + + return MI_CMD_DONE; +} + +/* Add zero or more directories to the front of the source path. */ +enum mi_cmd_result +mi_cmd_env_dir (char *command, char **argv, int argc) +{ + int i; + int optind = 0; + int reset = 0; + char *optarg; + enum opt + { + RESET_OPT + }; + static struct mi_opt opts[] = + { + {"r", RESET_OPT, 0}, + 0 + }; + + dont_repeat (); + + if (mi_version (uiout) < 2) + { + for (i = argc - 1; i >= 0; --i) + env_execute_cli_command ("dir", argv[i]); + return MI_CMD_DONE; + } + + /* Otherwise mi level is 2 or higher. */ + while (1) + { + int opt = mi_getopt ("mi_cmd_env_dir", argc, argv, opts, + &optind, &optarg); + if (opt < 0) + break; + switch ((enum opt) opt) + { + case RESET_OPT: + reset = 1; + break; + } + } + argv += optind; + argc -= optind; + + 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); + init_last_source_visited (); + + ui_out_field_string (uiout, "source-path", source_path); + forget_cached_source_info (); + + return MI_CMD_DONE; +} + +void +_initialize_mi_cmd_env (void) +{ + char *env; + + /* We want original execution path to reset to, if desired later. */ + env = get_in_environ (inferior_environ, path_var_name); + + /* Can be null if path is not set. */ + if (!env) + env = ""; + orig_path = xstrdup (env); +} |
