gdb/mi/mi-cmd-file.c

   1 /* MI Command Set - breakpoint and watchpoint commands.
   2    Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
   3    Contributed by Cygnus Solutions (a Red Hat company).
   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
  22 #include "defs.h"
  23 #include "mi-cmds.h"
  24 #include "mi-getopt.h"
  25 #include "ui-out.h"
  26 #include "symtab.h"
  27 #include "source.h"
  28
  29 /* Return to the client the absolute path and line number of the
  30    current file being executed. */
  31
  32 enum mi_cmd_result
  33 mi_cmd_file_list_exec_source_file(char *command, char **argv, int argc)
  34 {
  35   struct symtab_and_line st;
  36   int optind = 0;
  37   char *optarg;
  38
  39   if ( !mi_valid_noargs("mi_cmd_file_list_exec_source_file", argc, argv) )
  40     error ("mi_cmd_file_list_exec_source_file: Usage: No args");
  41
  42
  43   /* Set the default file and line, also get them */
  44   set_default_source_symtab_and_line();
  45   st = get_current_source_symtab_and_line();
  46
  47   /* We should always get a symtab.
  48      Apparently, filename does not need to be tested for NULL.
  49      The documentation in symtab.h suggests it will always be correct */
  50   if (!st.symtab)
  51     error ("mi_cmd_file_list_exec_source_file: No symtab");
  52
  53   /* Extract the fullname if it is not known yet */
  54   if (st.symtab->fullname == NULL)
  55     symtab_to_filename (st.symtab);
  56
  57   /* We may not be able to open the file (not available). */
  58   if (st.symtab->fullname == NULL)
  59     error ("mi_cmd_file_list_exec_source_file: File not found");
  60
  61   /* Print to the user the line, filename and fullname */
  62   ui_out_field_int (uiout, "line", st.line);
  63   ui_out_field_string (uiout, "file", st.symtab->filename);
  64   ui_out_field_string (uiout, "fullname", st.symtab->fullname);
  65
  66   return MI_CMD_DONE;
  67 }