gdb/mi/mi-cmd-info.c

   1 /* MI Command Set - information commands.
   2    Copyright (C) 2011-2017 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #include "defs.h"
  20 #include "osdata.h"
  21 #include "mi-cmds.h"
  22 #include "ada-lang.h"
  23 #include "arch-utils.h"
  24
  25 /* Implement the "-info-ada-exceptions" GDB/MI command.  */
  26
  27 void
  28 mi_cmd_info_ada_exceptions (const char *command, char **argv, int argc)
  29 {
  30   struct ui_out *uiout = current_uiout;
  31   struct gdbarch *gdbarch = get_current_arch ();
  32   char *regexp;
  33   struct cleanup *old_chain;
  34   VEC(ada_exc_info) *exceptions;
  35   int ix;
  36   struct ada_exc_info *info;
  37
  38   switch (argc)
  39     {
  40     case 0:
  41       regexp = NULL;
  42       break;
  43     case 1:
  44       regexp = argv[0];
  45       break;
  46     default:
  47       error (_("Usage: -info-ada-exceptions [REGEXP]"));
  48       break;
  49     }
  50
  51   exceptions = ada_exceptions_list (regexp);
  52   old_chain = make_cleanup (VEC_cleanup (ada_exc_info), &exceptions);
  53
  54   make_cleanup_ui_out_table_begin_end
  55     (uiout, 2, VEC_length (ada_exc_info, exceptions), "ada-exceptions");
  56   uiout->table_header (1, ui_left, "name", "Name");
  57   uiout->table_header (1, ui_left, "address", "Address");
  58   uiout->table_body ();
  59
  60   for (ix = 0; VEC_iterate(ada_exc_info, exceptions, ix, info); ix++)
  61     {
  62       ui_out_emit_tuple tuple_emitter (uiout, NULL);
  63       uiout->field_string ("name", info->name);
  64       uiout->field_core_addr ("address", gdbarch, info->addr);
  65     }
  66
  67   do_cleanups (old_chain);
  68 }
  69
  70 /* Implement the "-info-gdb-mi-command" GDB/MI command.  */
  71
  72 void
  73 mi_cmd_info_gdb_mi_command (const char *command, char **argv, int argc)
  74 {
  75   const char *cmd_name;
  76   struct mi_cmd *cmd;
  77   struct ui_out *uiout = current_uiout;
  78
  79   /* This command takes exactly one argument.  */
  80   if (argc != 1)
  81     error (_("Usage: -info-gdb-mi-command MI_COMMAND_NAME"));
  82   cmd_name = argv[0];
  83
  84   /* Normally, the command name (aka the "operation" in the GDB/MI
  85      grammar), does not include the leading '-' (dash).  But for
  86      the user's convenience, allow the user to specify the command
  87      name to be with or without that leading dash.  */
  88   if (cmd_name[0] == '-')
  89     cmd_name++;
  90
  91   cmd = mi_lookup (cmd_name);
  92
  93   ui_out_emit_tuple tuple_emitter (uiout, "command");
  94   uiout->field_string ("exists", cmd != NULL ? "true" : "false");
  95 }
  96
  97 void
  98 mi_cmd_info_os (const char *command, char **argv, int argc)
  99 {
 100   switch (argc)
 101     {
 102     case 0:
 103       info_osdata (NULL);
 104       break;
 105     case 1:
 106       info_osdata (argv[0]);
 107       break;
 108     default:
 109       error (_("Usage: -info-os [INFOTYPE]"));
 110       break;
 111     }
 112 }