gdb/mi/mi-cmd-file.c

   1 /* MI Command Set - file commands.
   2    Copyright (C) 2000-2021 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 3 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, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "defs.h"
  21 #include "mi-cmds.h"
  22 #include "mi-getopt.h"
  23 #include "mi-interp.h"
  24 #include "ui-out.h"
  25 #include "symtab.h"
  26 #include "source.h"
  27 #include "objfiles.h"
  28 #include "psymtab.h"
  29 #include "solib.h"
  30 #include "solist.h"
  31 #include "gdb_regex.h"
  32
  33 /* Return to the client the absolute path and line number of the
  34    current file being executed.  */
  35
  36 void
  37 mi_cmd_file_list_exec_source_file (const char *command, char **argv, int argc)
  38 {
  39   struct symtab_and_line st;
  40   struct ui_out *uiout = current_uiout;
  41
  42   if (!mi_valid_noargs ("-file-list-exec-source-file", argc, argv))
  43     error (_("-file-list-exec-source-file: Usage: No args"));
  44
  45   /* Set the default file and line, also get them.  */
  46   set_default_source_symtab_and_line ();
  47   st = get_current_source_symtab_and_line ();
  48
  49   /* We should always get a symtab.  Apparently, filename does not
  50      need to be tested for NULL.  The documentation in symtab.h
  51      suggests it will always be correct.  */
  52   if (!st.symtab)
  53     error (_("-file-list-exec-source-file: No symtab"));
  54
  55   /* Print to the user the line, filename and fullname.  */
  56   uiout->field_signed ("line", st.line);
  57   uiout->field_string ("file", symtab_to_filename_for_display (st.symtab));
  58
  59   uiout->field_string ("fullname", symtab_to_fullname (st.symtab));
  60
  61   uiout->field_signed ("macro-info",
  62                        COMPUNIT_MACRO_TABLE (SYMTAB_COMPUNIT (st.symtab)) != NULL);
  63 }
  64
  65 /* Implement -file-list-exec-source-files command.  */
  66
  67 void
  68 mi_cmd_file_list_exec_source_files (const char *command, char **argv, int argc)
  69 {
  70   enum opt
  71     {
  72       MATCH_BASENAME_OPT,
  73       MATCH_DIRNAME_OPT
  74     };
  75   static const struct mi_opt opts[] =
  76   {
  77     {"-basename", MATCH_BASENAME_OPT, 0},
  78     {"-dirname", MATCH_DIRNAME_OPT, 0},
  79     { 0, 0, 0 }
  80   };
  81
  82   /* Parse arguments.  */
  83   int oind = 0;
  84   char *oarg;
  85
  86   bool match_on_basename = false;
  87   bool match_on_dirname = false;
  88
  89   while (1)
  90     {
  91       int opt = mi_getopt ("-file-list-exec-source-files", argc, argv,
  92                            opts, &oind, &oarg);
  93       if (opt < 0)
  94         break;
  95       switch ((enum opt) opt)
  96         {
  97         case MATCH_BASENAME_OPT:
  98           match_on_basename = true;
  99           break;
 100         case MATCH_DIRNAME_OPT:
 101           match_on_dirname = true;
 102           break;
 103         }
 104     }
 105
 106   if ((argc - oind > 1) || (match_on_basename && match_on_dirname))
 107     error (_("-file-list-exec-source-files: Usage: [--basename | --dirname] [--] REGEXP"));
 108
 109   const char *regexp = nullptr;
 110   if (argc - oind == 1)
 111     regexp = argv[oind];
 112
 113   info_sources_filter::match_on match_type;
 114   if (match_on_dirname)
 115     match_type = info_sources_filter::match_on::DIRNAME;
 116   else if (match_on_basename)
 117     match_type = info_sources_filter::match_on::BASENAME;
 118   else
 119     match_type = info_sources_filter::match_on::FULLNAME;
 120
 121   info_sources_filter filter (match_type, regexp);
 122   info_sources_worker (current_uiout, filter);
 123 }
 124
 125 /* See mi-cmds.h.  */
 126
 127 void
 128 mi_cmd_file_list_shared_libraries (const char *command, char **argv, int argc)
 129 {
 130   struct ui_out *uiout = current_uiout;
 131   const char *pattern;
 132
 133   switch (argc)
 134     {
 135     case 0:
 136       pattern = NULL;
 137       break;
 138     case 1:
 139       pattern = argv[0];
 140       break;
 141     default:
 142       error (_("Usage: -file-list-shared-libraries [REGEXP]"));
 143     }
 144
 145   if (pattern != NULL)
 146     {
 147       const char *re_err = re_comp (pattern);
 148
 149       if (re_err != NULL)
 150         error (_("Invalid regexp: %s"), re_err);
 151     }
 152
 153   update_solib_list (1);
 154
 155   /* Print the table header.  */
 156   ui_out_emit_list list_emitter (uiout, "shared-libraries");
 157
 158   for (struct so_list *so : current_program_space->solibs ())
 159     {
 160       if (so->so_name[0] == '\0')
 161         continue;
 162       if (pattern != NULL && !re_exec (so->so_name))
 163         continue;
 164
 165       ui_out_emit_tuple tuple_emitter (uiout, NULL);
 166       mi_output_solib_attribs (uiout, so);
 167     }
 168 }