gdb/top.h

   1 /* Top level stuff for GDB, the GNU debugger.
   2
   3    Copyright (C) 1986-2023 Free Software Foundation, Inc.
   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 #ifndef TOP_H
  21 #define TOP_H
  22
  23 #include "gdbsupport/event-loop.h"
  24 #include "gdbsupport/next-iterator.h"
  25 #include "value.h"
  26
  27 /* From top.c.  */
  28 extern bool confirm;
  29 extern int inhibit_gdbinit;
  30 extern auto_boolean interactive_mode;
  31
  32 /* Print the GDB version banner to STREAM.  If INTERACTIVE is false,
  33    then information referring to commands (e.g., "show configuration")
  34    is omitted; this mode is used for the --version command line
  35    option.  If INTERACTIVE is true, then interactive commands are
  36    mentioned.  */
  37 extern void print_gdb_version (struct ui_file *stream, bool interactive);
  38
  39 extern void print_gdb_configuration (struct ui_file *);
  40
  41 extern void read_command_file (FILE *);
  42 extern void init_history (void);
  43 extern void command_loop (void);
  44 extern int quit_confirm (void);
  45 extern void quit_force (int *, int) ATTRIBUTE_NORETURN;
  46 extern void quit_command (const char *, int);
  47 extern void quit_cover (void);
  48 extern void execute_command (const char *, int);
  49
  50 /* If the interpreter is in sync mode (we're running a user command's
  51    list, running command hooks or similars), and we just ran a
  52    synchronous command that started the target, wait for that command
  53    to end.  WAS_SYNC indicates whether sync_execution was set before
  54    the command was run.  */
  55
  56 extern void maybe_wait_sync_command_done (int was_sync);
  57
  58 /* Wait for a synchronous execution command to end.  */
  59 extern void wait_sync_command_done (void);
  60
  61 extern void check_frame_language_change (void);
  62
  63 /* Prepare for execution of a command.
  64    Call this before every command, CLI or MI.
  65    Returns a cleanup to be run after the command is completed.  */
  66 extern scoped_value_mark prepare_execute_command (void);
  67
  68 /* This function returns a pointer to the string that is used
  69    by gdb for its command prompt.  */
  70 extern const std::string &get_prompt ();
  71
  72 /* This function returns a pointer to the string that is used
  73    by gdb for its command prompt.  */
  74 extern void set_prompt (const char *s);
  75
  76 /* Return 1 if UI's current input handler is a secondary prompt, 0
  77    otherwise.  */
  78
  79 extern int gdb_in_secondary_prompt_p (struct ui *ui);
  80
  81 /* Perform _initialize initialization.  */
  82 extern void gdb_init ();
  83
  84 /* For use by event-top.c.  */
  85 /* Variables from top.c.  */
  86 extern int source_line_number;
  87 extern std::string source_file_name;
  88 extern bool history_expansion_p;
  89 extern bool server_command;
  90 extern char *lim_at_start;
  91
  92 extern void gdb_add_history (const char *);
  93
  94 extern void show_commands (const char *args, int from_tty);
  95
  96 extern void set_verbose (const char *, int, struct cmd_list_element *);
  97
  98 extern const char *handle_line_of_input (std::string &cmd_line_buffer,
  99                                          const char *rl, int repeat,
 100                                          const char *annotation_suffix);
 101
 102 /* Call at startup to see if the user has requested that gdb start up
 103    quietly.  */
 104
 105 extern bool check_quiet_mode ();
 106
 107 /* Unbuffer STREAM.  This is a wrapper around setbuf(STREAM, nullptr)
 108    which applies some special rules for MS-Windows hosts.  */
 109
 110 extern void unbuffer_stream (FILE *stream);
 111
 112 #endif