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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [readline/] [readline.h] - Blame information for rev 320

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1 24 jeremybenn 
/* Readline.h -- the names of functions callable from within readline. */
2 
 
3 
/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
4 
 
5 
   This file is part of the GNU Readline Library, a library for
6 
   reading lines of text with interactive input and history editing.
7 
 
8 
   The GNU Readline Library is free software; you can redistribute it
9 
   and/or modify it under the terms of the GNU General Public License
10 
   as published by the Free Software Foundation; either version 2, or
11 
   (at your option) any later version.
12 
 
13 
   The GNU Readline Library is distributed in the hope that it will be
14 
   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
15 
   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 
   GNU General Public License for more details.
17 
 
18 
   The GNU General Public License is often shipped with GNU software, and
19 
   is generally kept in a file called COPYING or LICENSE.  If you do not
20 
   have a copy of the license, write to the Free Software Foundation,
21 
   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
22 
 
23 
#if !defined (_READLINE_H_)
24 
#define _READLINE_H_
25 
 
26 
#ifdef __cplusplus
27 
extern "C" {
28 
#endif
29 
 
30 
#if defined (READLINE_LIBRARY)
31 
#  include "rlstdc.h"
32 
#  include "rltypedefs.h"
33 
#  include "keymaps.h"
34 
#  include "tilde.h"
35 
#else
36 
#  include <readline/rlstdc.h>
37 
#  include <readline/rltypedefs.h>
38 
#  include <readline/keymaps.h>
39 
#  include <readline/tilde.h>
40 
#endif
41 
 
42 
/* Hex-encoded Readline version number. */
43 
#define RL_READLINE_VERSION     0x0501          /* Readline 5.1 */
44 
#define RL_VERSION_MAJOR        5
45 
#define RL_VERSION_MINOR        1
46 
 
47 
/* Readline data structures. */
48 
 
49 
/* Maintaining the state of undo.  We remember individual deletes and inserts
50 
   on a chain of things to do. */
51 
 
52 
/* The actions that undo knows how to undo.  Notice that UNDO_DELETE means
53 
   to insert some text, and UNDO_INSERT means to delete some text.   I.e.,
54 
   the code tells undo what to undo, not how to undo it. */
55 
enum undo_code { UNDO_DELETE, UNDO_INSERT, UNDO_BEGIN, UNDO_END };
56 
 
57 
/* What an element of THE_UNDO_LIST looks like. */
58 
typedef struct undo_list {
59 
  struct undo_list *next;
60 
  int start, end;               /* Where the change took place. */
61 
  char *text;                   /* The text to insert, if undoing a delete. */
62 
  enum undo_code what;          /* Delete, Insert, Begin, End. */
63 
} UNDO_LIST;
64 
 
65 
/* The current undo list for RL_LINE_BUFFER. */
66 
extern UNDO_LIST *rl_undo_list;
67 
 
68 
/* The data structure for mapping textual names to code addresses. */
69 
typedef struct _funmap {
70 
  const char *name;
71 
  rl_command_func_t *function;
72 
} FUNMAP;
73 
 
74 
extern FUNMAP **funmap;
75 
 
76 
/* **************************************************************** */
77 
/*                                                                  */
78 
/*           Functions available to bind to key sequences           */
79 
/*                                                                  */
80 
/* **************************************************************** */
81 
 
82 
/* Bindable commands for numeric arguments. */
83 
extern int rl_digit_argument PARAMS((int, int));
84 
extern int rl_universal_argument PARAMS((int, int));
85 
 
86 
/* Bindable commands for moving the cursor. */
87 
extern int rl_forward_byte PARAMS((int, int));
88 
extern int rl_forward_char PARAMS((int, int));
89 
extern int rl_forward PARAMS((int, int));
90 
extern int rl_backward_byte PARAMS((int, int));
91 
extern int rl_backward_char PARAMS((int, int));
92 
extern int rl_backward PARAMS((int, int));
93 
extern int rl_beg_of_line PARAMS((int, int));
94 
extern int rl_end_of_line PARAMS((int, int));
95 
extern int rl_forward_word PARAMS((int, int));
96 
extern int rl_backward_word PARAMS((int, int));
97 
extern int rl_refresh_line PARAMS((int, int));
98 
extern int rl_clear_screen PARAMS((int, int));
99 
extern int rl_arrow_keys PARAMS((int, int));
100 
 
101 
/* Bindable commands for inserting and deleting text. */
102 
extern int rl_insert PARAMS((int, int));
103 
extern int rl_quoted_insert PARAMS((int, int));
104 
extern int rl_tab_insert PARAMS((int, int));
105 
extern int rl_newline PARAMS((int, int));
106 
extern int rl_do_lowercase_version PARAMS((int, int));
107 
extern int rl_rubout PARAMS((int, int));
108 
extern int rl_delete PARAMS((int, int));
109 
extern int rl_rubout_or_delete PARAMS((int, int));
110 
extern int rl_delete_horizontal_space PARAMS((int, int));
111 
extern int rl_delete_or_show_completions PARAMS((int, int));
112 
extern int rl_insert_comment PARAMS((int, int));
113 
 
114 
/* Bindable commands for changing case. */
115 
extern int rl_upcase_word PARAMS((int, int));
116 
extern int rl_downcase_word PARAMS((int, int));
117 
extern int rl_capitalize_word PARAMS((int, int));
118 
 
119 
/* Bindable commands for transposing characters and words. */
120 
extern int rl_transpose_words PARAMS((int, int));
121 
extern int rl_transpose_chars PARAMS((int, int));
122 
 
123 
/* Bindable commands for searching within a line. */
124 
extern int rl_char_search PARAMS((int, int));
125 
extern int rl_backward_char_search PARAMS((int, int));
126 
 
127 
/* Bindable commands for readline's interface to the command history. */
128 
extern int rl_beginning_of_history PARAMS((int, int));
129 
extern int rl_end_of_history PARAMS((int, int));
130 
extern int rl_get_next_history PARAMS((int, int));
131 
extern int rl_get_previous_history PARAMS((int, int));
132 
 
133 
/* Bindable commands for managing the mark and region. */
134 
extern int rl_set_mark PARAMS((int, int));
135 
extern int rl_exchange_point_and_mark PARAMS((int, int));
136 
 
137 
/* Bindable commands to set the editing mode (emacs or vi). */
138 
extern int rl_vi_editing_mode PARAMS((int, int));
139 
extern int rl_emacs_editing_mode PARAMS((int, int));
140 
 
141 
/* Bindable commands to change the insert mode (insert or overwrite) */
142 
extern int rl_overwrite_mode PARAMS((int, int));
143 
 
144 
/* Bindable commands for managing key bindings. */
145 
extern int rl_re_read_init_file PARAMS((int, int));
146 
extern int rl_dump_functions PARAMS((int, int));
147 
extern int rl_dump_macros PARAMS((int, int));
148 
extern int rl_dump_variables PARAMS((int, int));
149 
 
150 
/* Bindable commands for word completion. */
151 
extern int rl_complete PARAMS((int, int));
152 
extern int rl_possible_completions PARAMS((int, int));
153 
extern int rl_insert_completions PARAMS((int, int));
154 
extern int rl_menu_complete PARAMS((int, int));
155 
 
156 
/* Bindable commands for killing and yanking text, and managing the kill ring. */
157 
extern int rl_kill_word PARAMS((int, int));
158 
extern int rl_backward_kill_word PARAMS((int, int));
159 
extern int rl_kill_line PARAMS((int, int));
160 
extern int rl_backward_kill_line PARAMS((int, int));
161 
extern int rl_kill_full_line PARAMS((int, int));
162 
extern int rl_unix_word_rubout PARAMS((int, int));
163 
extern int rl_unix_filename_rubout PARAMS((int, int));
164 
extern int rl_unix_line_discard PARAMS((int, int));
165 
extern int rl_copy_region_to_kill PARAMS((int, int));
166 
extern int rl_kill_region PARAMS((int, int));
167 
extern int rl_copy_forward_word PARAMS((int, int));
168 
extern int rl_copy_backward_word PARAMS((int, int));
169 
extern int rl_yank PARAMS((int, int));
170 
extern int rl_yank_pop PARAMS((int, int));
171 
extern int rl_yank_nth_arg PARAMS((int, int));
172 
extern int rl_yank_last_arg PARAMS((int, int));
173 
/* Not available unless __CYGWIN__ is defined. */
174 
#ifdef __CYGWIN__
175 
extern int rl_paste_from_clipboard PARAMS((int, int));
176 
#endif
177 
 
178 
/* Bindable commands for incremental searching. */
179 
extern int rl_reverse_search_history PARAMS((int, int));
180 
extern int rl_forward_search_history PARAMS((int, int));
181 
 
182 
/* Bindable keyboard macro commands. */
183 
extern int rl_start_kbd_macro PARAMS((int, int));
184 
extern int rl_end_kbd_macro PARAMS((int, int));
185 
extern int rl_call_last_kbd_macro PARAMS((int, int));
186 
 
187 
/* Bindable undo commands. */
188 
extern int rl_revert_line PARAMS((int, int));
189 
extern int rl_undo_command PARAMS((int, int));
190 
 
191 
/* Bindable tilde expansion commands. */
192 
extern int rl_tilde_expand PARAMS((int, int));
193 
 
194 
/* Bindable terminal control commands. */
195 
extern int rl_restart_output PARAMS((int, int));
196 
extern int rl_stop_output PARAMS((int, int));
197 
 
198 
/* Miscellaneous bindable commands. */
199 
extern int rl_abort PARAMS((int, int));
200 
extern int rl_tty_status PARAMS((int, int));
201 
 
202 
/* Bindable commands for incremental and non-incremental history searching. */
203 
extern int rl_history_search_forward PARAMS((int, int));
204 
extern int rl_history_search_backward PARAMS((int, int));
205 
extern int rl_noninc_forward_search PARAMS((int, int));
206 
extern int rl_noninc_reverse_search PARAMS((int, int));
207 
extern int rl_noninc_forward_search_again PARAMS((int, int));
208 
extern int rl_noninc_reverse_search_again PARAMS((int, int));
209 
 
210 
/* Bindable command used when inserting a matching close character. */
211 
extern int rl_insert_close PARAMS((int, int));
212 
 
213 
/* Not available unless READLINE_CALLBACKS is defined. */
214 
extern void rl_callback_handler_install PARAMS((const char *, rl_vcpfunc_t *));
215 
extern void rl_callback_read_char PARAMS((void));
216 
extern void rl_callback_handler_remove PARAMS((void));
217 
 
218 
/* Things for vi mode. Not available unless readline is compiled -DVI_MODE. */
219 
/* VI-mode bindable commands. */
220 
extern int rl_vi_redo PARAMS((int, int));
221 
extern int rl_vi_undo PARAMS((int, int));
222 
extern int rl_vi_yank_arg PARAMS((int, int));
223 
extern int rl_vi_fetch_history PARAMS((int, int));
224 
extern int rl_vi_search_again PARAMS((int, int));
225 
extern int rl_vi_search PARAMS((int, int));
226 
extern int rl_vi_complete PARAMS((int, int));
227 
extern int rl_vi_tilde_expand PARAMS((int, int));
228 
extern int rl_vi_prev_word PARAMS((int, int));
229 
extern int rl_vi_next_word PARAMS((int, int));
230 
extern int rl_vi_end_word PARAMS((int, int));
231 
extern int rl_vi_insert_beg PARAMS((int, int));
232 
extern int rl_vi_append_mode PARAMS((int, int));
233 
extern int rl_vi_append_eol PARAMS((int, int));
234 
extern int rl_vi_eof_maybe PARAMS((int, int));
235 
extern int rl_vi_insertion_mode PARAMS((int, int));
236 
extern int rl_vi_movement_mode PARAMS((int, int));
237 
extern int rl_vi_arg_digit PARAMS((int, int));
238 
extern int rl_vi_change_case PARAMS((int, int));
239 
extern int rl_vi_put PARAMS((int, int));
240 
extern int rl_vi_column PARAMS((int, int));
241 
extern int rl_vi_delete_to PARAMS((int, int));
242 
extern int rl_vi_change_to PARAMS((int, int));
243 
extern int rl_vi_yank_to PARAMS((int, int));
244 
extern int rl_vi_rubout PARAMS((int, int));
245 
extern int rl_vi_delete PARAMS((int, int));
246 
extern int rl_vi_back_to_indent PARAMS((int, int));
247 
extern int rl_vi_first_print PARAMS((int, int));
248 
extern int rl_vi_char_search PARAMS((int, int));
249 
extern int rl_vi_match PARAMS((int, int));
250 
extern int rl_vi_change_char PARAMS((int, int));
251 
extern int rl_vi_subst PARAMS((int, int));
252 
extern int rl_vi_overstrike PARAMS((int, int));
253 
extern int rl_vi_overstrike_delete PARAMS((int, int));
254 
extern int rl_vi_replace PARAMS((int, int));
255 
extern int rl_vi_set_mark PARAMS((int, int));
256 
extern int rl_vi_goto_mark PARAMS((int, int));
257 
 
258 
/* VI-mode utility functions. */
259 
extern int rl_vi_check PARAMS((void));
260 
extern int rl_vi_domove PARAMS((int, int *));
261 
extern int rl_vi_bracktype PARAMS((int));
262 
 
263 
extern void rl_vi_start_inserting PARAMS((int, int, int));
264 
 
265 
/* VI-mode pseudo-bindable commands, used as utility functions. */
266 
extern int rl_vi_fWord PARAMS((int, int));
267 
extern int rl_vi_bWord PARAMS((int, int));
268 
extern int rl_vi_eWord PARAMS((int, int));
269 
extern int rl_vi_fword PARAMS((int, int));
270 
extern int rl_vi_bword PARAMS((int, int));
271 
extern int rl_vi_eword PARAMS((int, int));
272 
 
273 
/* **************************************************************** */
274 
/*                                                                  */
275 
/*                      Well Published Functions                    */
276 
/*                                                                  */
277 
/* **************************************************************** */
278 
 
279 
/* Readline functions. */
280 
/* Read a line of input.  Prompt with PROMPT.  A NULL PROMPT means none. */
281 
extern char *readline PARAMS((const char *));
282 
 
283 
extern int rl_set_prompt PARAMS((const char *));
284 
extern int rl_expand_prompt PARAMS((char *));
285 
 
286 
extern int rl_initialize PARAMS((void));
287 
 
288 
/* Undocumented; unused by readline */
289 
extern int rl_discard_argument PARAMS((void));
290 
 
291 
/* Utility functions to bind keys to readline commands. */
292 
extern int rl_add_defun PARAMS((const char *, rl_command_func_t *, int));
293 
extern int rl_bind_key PARAMS((int, rl_command_func_t *));
294 
extern int rl_bind_key_in_map PARAMS((int, rl_command_func_t *, Keymap));
295 
extern int rl_unbind_key PARAMS((int));
296 
extern int rl_unbind_key_in_map PARAMS((int, Keymap));
297 
extern int rl_bind_key_if_unbound PARAMS((int, rl_command_func_t *));
298 
extern int rl_bind_key_if_unbound_in_map PARAMS((int, rl_command_func_t *, Keymap));
299 
extern int rl_unbind_function_in_map PARAMS((rl_command_func_t *, Keymap));
300 
extern int rl_unbind_command_in_map PARAMS((const char *, Keymap));
301 
extern int rl_bind_keyseq PARAMS((const char *, rl_command_func_t *));
302 
extern int rl_bind_keyseq_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
303 
extern int rl_bind_keyseq_if_unbound PARAMS((const char *, rl_command_func_t *));
304 
extern int rl_bind_keyseq_if_unbound_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
305 
extern int rl_generic_bind PARAMS((int, const char *, char *, Keymap));
306 
 
307 
extern char *rl_variable_value PARAMS((const char *));
308 
extern int rl_variable_bind PARAMS((const char *, const char *));
309 
 
310 
/* Backwards compatibility, use rl_bind_keyseq_in_map instead. */
311 
extern int rl_set_key PARAMS((const char *, rl_command_func_t *, Keymap));
312 
 
313 
/* Backwards compatibility, use rl_generic_bind instead. */
314 
extern int rl_macro_bind PARAMS((const char *, const char *, Keymap));
315 
 
316 
/* Undocumented in the texinfo manual; not really useful to programs. */
317 
extern int rl_translate_keyseq PARAMS((const char *, char *, int *));
318 
extern char *rl_untranslate_keyseq PARAMS((int));
319 
 
320 
extern rl_command_func_t *rl_named_function PARAMS((const char *));
321 
extern rl_command_func_t *rl_function_of_keyseq PARAMS((const char *, Keymap, int *));
322 
 
323 
extern void rl_list_funmap_names PARAMS((void));
324 
extern char **rl_invoking_keyseqs_in_map PARAMS((rl_command_func_t *, Keymap));
325 
extern char **rl_invoking_keyseqs PARAMS((rl_command_func_t *));
326 
 
327 
extern void rl_function_dumper PARAMS((int));
328 
extern void rl_macro_dumper PARAMS((int));
329 
extern void rl_variable_dumper PARAMS((int));
330 
 
331 
extern int rl_read_init_file PARAMS((const char *));
332 
extern int rl_parse_and_bind PARAMS((char *));
333 
 
334 
/* Functions for manipulating keymaps. */
335 
extern Keymap rl_make_bare_keymap PARAMS((void));
336 
extern Keymap rl_copy_keymap PARAMS((Keymap));
337 
extern Keymap rl_make_keymap PARAMS((void));
338 
extern void rl_discard_keymap PARAMS((Keymap));
339 
 
340 
extern Keymap rl_get_keymap_by_name PARAMS((const char *));
341 
extern char *rl_get_keymap_name PARAMS((Keymap));
342 
extern void rl_set_keymap PARAMS((Keymap));
343 
extern Keymap rl_get_keymap PARAMS((void));
344 
/* Undocumented; used internally only. */
345 
extern void rl_set_keymap_from_edit_mode PARAMS((void));
346 
extern char *rl_get_keymap_name_from_edit_mode PARAMS((void));
347 
 
348 
/* Functions for manipulating the funmap, which maps command names to functions. */
349 
extern int rl_add_funmap_entry PARAMS((const char *, rl_command_func_t *));
350 
extern const char **rl_funmap_names PARAMS((void));
351 
/* Undocumented, only used internally -- there is only one funmap, and this
352 
   function may be called only once. */
353 
extern void rl_initialize_funmap PARAMS((void));
354 
 
355 
/* Utility functions for managing keyboard macros. */
356 
extern void rl_push_macro_input PARAMS((char *));
357 
 
358 
/* Functions for undoing, from undo.c */
359 
extern void rl_add_undo PARAMS((enum undo_code, int, int, char *));
360 
extern void rl_free_undo_list PARAMS((void));
361 
extern int rl_do_undo PARAMS((void));
362 
extern int rl_begin_undo_group PARAMS((void));
363 
extern int rl_end_undo_group PARAMS((void));
364 
extern int rl_modifying PARAMS((int, int));
365 
 
366 
/* Functions for redisplay. */
367 
extern void rl_redisplay PARAMS((void));
368 
extern int rl_on_new_line PARAMS((void));
369 
extern int rl_on_new_line_with_prompt PARAMS((void));
370 
extern int rl_forced_update_display PARAMS((void));
371 
extern int rl_clear_message PARAMS((void));
372 
extern int rl_reset_line_state PARAMS((void));
373 
extern int rl_crlf PARAMS((void));
374 
 
375 
#if defined (USE_VARARGS) && defined (PREFER_STDARG)
376 
extern int rl_message (const char *, ...)  __attribute__((__format__ (printf, 1, 2)));
377 
#else
378 
extern int rl_message ();
379 
#endif
380 
 
381 
extern int rl_show_char PARAMS((int));
382 
 
383 
/* Undocumented in texinfo manual. */
384 
extern int rl_character_len PARAMS((int, int));
385 
 
386 
/* Save and restore internal prompt redisplay information. */
387 
extern void rl_save_prompt PARAMS((void));
388 
extern void rl_restore_prompt PARAMS((void));
389 
 
390 
/* Modifying text. */
391 
extern void rl_replace_line PARAMS((const char *, int));
392 
extern int rl_insert_text PARAMS((const char *));
393 
extern int rl_delete_text PARAMS((int, int));
394 
extern int rl_kill_text PARAMS((int, int));
395 
extern char *rl_copy_text PARAMS((int, int));
396 
 
397 
/* Terminal and tty mode management. */
398 
extern void rl_prep_terminal PARAMS((int));
399 
extern void rl_deprep_terminal PARAMS((void));
400 
extern void rl_tty_set_default_bindings PARAMS((Keymap));
401 
extern void rl_tty_unset_default_bindings PARAMS((Keymap));
402 
 
403 
extern int rl_reset_terminal PARAMS((const char *));
404 
extern void rl_resize_terminal PARAMS((void));
405 
extern void rl_set_screen_size PARAMS((int, int));
406 
extern void rl_get_screen_size PARAMS((int *, int *));
407 
extern void rl_reset_screen_size PARAMS((void));
408 
 
409 
extern char *rl_get_termcap PARAMS((const char *));
410 
 
411 
/* Functions for character input. */
412 
extern int rl_stuff_char PARAMS((int));
413 
extern int rl_execute_next PARAMS((int));
414 
extern int rl_clear_pending_input PARAMS((void));
415 
extern int rl_read_key PARAMS((void));
416 
extern int rl_getc PARAMS((FILE *));
417 
extern int rl_set_keyboard_input_timeout PARAMS((int));
418 
 
419 
/* `Public' utility functions . */
420 
extern void rl_extend_line_buffer PARAMS((int));
421 
extern int rl_ding PARAMS((void));
422 
extern int rl_alphabetic PARAMS((int));
423 
 
424 
/* Readline signal handling, from signals.c */
425 
extern int rl_set_signals PARAMS((void));
426 
extern int rl_clear_signals PARAMS((void));
427 
extern void rl_cleanup_after_signal PARAMS((void));
428 
extern void rl_reset_after_signal PARAMS((void));
429 
extern void rl_free_line_state PARAMS((void));
430 
 
431 
extern int rl_set_paren_blink_timeout PARAMS((int));
432 
 
433 
/* Undocumented. */
434 
extern int rl_maybe_save_line PARAMS((void));
435 
extern int rl_maybe_unsave_line PARAMS((void));
436 
extern int rl_maybe_replace_line PARAMS((void));
437 
 
438 
/* Completion functions. */
439 
extern int rl_complete_internal PARAMS((int));
440 
extern void rl_display_match_list PARAMS((char **, int, int));
441 
 
442 
extern char **rl_completion_matches PARAMS((const char *, rl_compentry_func_t *));
443 
extern char *rl_username_completion_function PARAMS((const char *, int));
444 
extern char *rl_filename_completion_function PARAMS((const char *, int));
445 
 
446 
extern int rl_completion_mode PARAMS((rl_command_func_t *));
447 
 
448 
#if 0
449 
/* Backwards compatibility (compat.c).  These will go away sometime. */
450 
extern void free_undo_list PARAMS((void));
451 
extern int maybe_save_line PARAMS((void));
452 
extern int maybe_unsave_line PARAMS((void));
453 
extern int maybe_replace_line PARAMS((void));
454 
 
455 
extern int ding PARAMS((void));
456 
extern int alphabetic PARAMS((int));
457 
extern int crlf PARAMS((void));
458 
 
459 
extern char **completion_matches PARAMS((char *, rl_compentry_func_t *));
460 
extern char *username_completion_function PARAMS((const char *, int));
461 
extern char *filename_completion_function PARAMS((const char *, int));
462 
#endif
463 
 
464 
/* **************************************************************** */
465 
/*                                                                  */
466 
/*                      Well Published Variables                    */
467 
/*                                                                  */
468 
/* **************************************************************** */
469 
 
470 
/* The version of this incarnation of the readline library. */
471 
extern const char *rl_library_version;          /* e.g., "4.2" */
472 
extern int rl_readline_version;                 /* e.g., 0x0402 */
473 
 
474 
/* True if this is real GNU readline. */
475 
extern int rl_gnu_readline_p;
476 
 
477 
/* Flags word encapsulating the current readline state. */
478 
extern int rl_readline_state;
479 
 
480 
/* Says which editing mode readline is currently using.  1 means emacs mode;
481 
 
482 
extern int rl_editing_mode;
483 
 
484 
/* Insert or overwrite mode for emacs mode.  1 means insert mode; 0 means
485 
   overwrite mode.  Reset to insert mode on each input line. */
486 
extern int rl_insert_mode;
487 
 
488 
/* The name of the calling program.  You should initialize this to
489 
   whatever was in argv[0].  It is used when parsing conditionals. */
490 
extern const char *rl_readline_name;
491 
 
492 
/* The prompt readline uses.  This is set from the argument to
493 
   readline (), and should not be assigned to directly. */
494 
extern char *rl_prompt;
495 
 
496 
/* The line buffer that is in use. */
497 
extern char *rl_line_buffer;
498 
 
499 
/* The location of point, and end. */
500 
extern int rl_point;
501 
extern int rl_end;
502 
 
503 
/* The mark, or saved cursor position. */
504 
extern int rl_mark;
505 
 
506 
/* Flag to indicate that readline has finished with the current input
507 
   line and should return it. */
508 
extern int rl_done;
509 
 
510 
/* If set to a character value, that will be the next keystroke read. */
511 
extern int rl_pending_input;
512 
 
513 
/* Non-zero if we called this function from _rl_dispatch().  It's present
514 
   so functions can find out whether they were called from a key binding
515 
   or directly from an application. */
516 
extern int rl_dispatching;
517 
 
518 
/* Non-zero if the user typed a numeric argument before executing the
519 
   current function. */
520 
extern int rl_explicit_arg;
521 
 
522 
/* The current value of the numeric argument specified by the user. */
523 
extern int rl_numeric_arg;
524 
 
525 
/* The address of the last command function Readline executed. */
526 
extern rl_command_func_t *rl_last_func;
527 
 
528 
/* The name of the terminal to use. */
529 
extern const char *rl_terminal_name;
530 
 
531 
/* The input and output streams. */
532 
extern FILE *rl_instream;
533 
extern FILE *rl_outstream;
534 
 
535 
/* If non-zero, Readline gives values of LINES and COLUMNS from the environment
536 
   greater precedence than values fetched from the kernel when computing the
537 
   screen dimensions. */
538 
extern int rl_prefer_env_winsize;
539 
 
540 
/* If non-zero, then this is the address of a function to call just
541 
   before readline_internal () prints the first prompt. */
542 
extern rl_hook_func_t *rl_startup_hook;
543 
 
544 
/* If non-zero, this is the address of a function to call just before
545 
   readline_internal_setup () returns and readline_internal starts
546 
   reading input characters. */
547 
extern rl_hook_func_t *rl_pre_input_hook;
548 
 
549 
/* The address of a function to call periodically while Readline is
550 
   awaiting character input, or NULL, for no event handling. */
551 
extern rl_hook_func_t *rl_event_hook;
552 
 
553 
/* The address of the function to call to fetch a character from the current
554 
   Readline input stream */
555 
extern rl_getc_func_t *rl_getc_function;
556 
 
557 
extern rl_voidfunc_t *rl_redisplay_function;
558 
 
559 
extern rl_vintfunc_t *rl_prep_term_function;
560 
extern rl_voidfunc_t *rl_deprep_term_function;
561 
 
562 
/* Dispatch variables. */
563 
extern Keymap rl_executing_keymap;
564 
extern Keymap rl_binding_keymap;
565 
 
566 
/* Display variables. */
567 
/* If non-zero, readline will erase the entire line, including any prompt,
568 
   if the only thing typed on an otherwise-blank line is something bound to
569 
   rl_newline. */
570 
extern int rl_erase_empty_line;
571 
 
572 
/* If non-zero, the application has already printed the prompt (rl_prompt)
573 
   before calling readline, so readline should not output it the first time
574 
   redisplay is done. */
575 
extern int rl_already_prompted;
576 
 
577 
/* A non-zero value means to read only this many characters rather than
578 
   up to a character bound to accept-line. */
579 
extern int rl_num_chars_to_read;
580 
 
581 
/* The text of a currently-executing keyboard macro. */
582 
extern char *rl_executing_macro;
583 
 
584 
/* Variables to control readline signal handling. */
585 
/* If non-zero, readline will install its own signal handlers for
586 
   SIGINT, SIGTERM, SIGQUIT, SIGALRM, SIGTSTP, SIGTTIN, and SIGTTOU. */
587 
extern int rl_catch_signals;
588 
 
589 
/* If non-zero, readline will install a signal handler for SIGWINCH
590 
   that also attempts to call any calling application's SIGWINCH signal
591 
   handler.  Note that the terminal is not cleaned up before the
592 
   application's signal handler is called; use rl_cleanup_after_signal()
593 
   to do that. */
594 
extern int rl_catch_sigwinch;
595 
 
596 
/* Completion variables. */
597 
/* Pointer to the generator function for completion_matches ().
598 
   NULL means to use rl_filename_completion_function (), the default
599 
   filename completer. */
600 
extern rl_compentry_func_t *rl_completion_entry_function;
601 
 
602 
/* If rl_ignore_some_completions_function is non-NULL it is the address
603 
   of a function to call after all of the possible matches have been
604 
   generated, but before the actual completion is done to the input line.
605 
   The function is called with one argument; a NULL terminated array
606 
   of (char *).  If your function removes any of the elements, they
607 
   must be free()'ed. */
608 
extern rl_compignore_func_t *rl_ignore_some_completions_function;
609 
 
610 
/* Pointer to alternative function to create matches.
611 
   Function is called with TEXT, START, and END.
612 
   START and END are indices in RL_LINE_BUFFER saying what the boundaries
613 
   of TEXT are.
614 
   If this function exists and returns NULL then call the value of
615 
   rl_completion_entry_function to try to match, otherwise use the
616 
   array of strings returned. */
617 
extern rl_completion_func_t *rl_attempted_completion_function;
618 
 
619 
/* The basic list of characters that signal a break between words for the
620 
   completer routine.  The initial contents of this variable is what
621 
   breaks words in the shell, i.e. "n\"\\'`@$>". */
622 
extern const char *rl_basic_word_break_characters;
623 
 
624 
/* The list of characters that signal a break between words for
625 
   rl_complete_internal.  The default list is the contents of
626 
   rl_basic_word_break_characters.  */
627 
extern /*const*/ char *rl_completer_word_break_characters;
628 
 
629 
/* Hook function to allow an application to set the completion word
630 
   break characters before readline breaks up the line.  Allows
631 
   position-dependent word break characters. */
632 
extern rl_cpvfunc_t *rl_completion_word_break_hook;
633 
 
634 
/* List of characters which can be used to quote a substring of the line.
635 
   Completion occurs on the entire substring, and within the substring
636 
   rl_completer_word_break_characters are treated as any other character,
637 
   unless they also appear within this list. */
638 
extern const char *rl_completer_quote_characters;
639 
 
640 
/* List of quote characters which cause a word break. */
641 
extern const char *rl_basic_quote_characters;
642 
 
643 
/* List of characters that need to be quoted in filenames by the completer. */
644 
extern const char *rl_filename_quote_characters;
645 
 
646 
/* List of characters that are word break characters, but should be left
647 
   in TEXT when it is passed to the completion function.  The shell uses
648 
   this to help determine what kind of completing to do. */
649 
extern const char *rl_special_prefixes;
650 
 
651 
/* If non-zero, then this is the address of a function to call when
652 
   completing on a directory name.  The function is called with
653 
   the address of a string (the current directory name) as an arg.  It
654 
   changes what is displayed when the possible completions are printed
655 
   or inserted. */
656 
extern rl_icppfunc_t *rl_directory_completion_hook;
657 
 
658 
/* If non-zero, this is the address of a function to call when completing
659 
   a directory name.  This function takes the address of the directory name
660 
   to be modified as an argument.  Unlike rl_directory_completion_hook, it
661 
   only modifies the directory name used in opendir(2), not what is displayed
662 
   when the possible completions are printed or inserted.  It is called
663 
   before rl_directory_completion_hook.  I'm not happy with how this works
664 
   yet, so it's undocumented. */
665 
extern rl_icppfunc_t *rl_directory_rewrite_hook;
666 
 
667 
/* Backwards compatibility with previous versions of readline. */
668 
#define rl_symbolic_link_hook rl_directory_completion_hook
669 
 
670 
/* If non-zero, then this is the address of a function to call when
671 
   completing a word would normally display the list of possible matches.
672 
   This function is called instead of actually doing the display.
673 
   It takes three arguments: (char **matches, int num_matches, int max_length)
674 
   where MATCHES is the array of strings that matched, NUM_MATCHES is the
675 
   number of strings in that array, and MAX_LENGTH is the length of the
676 
   longest string in that array. */
677 
extern rl_compdisp_func_t *rl_completion_display_matches_hook;
678 
 
679 
/* Non-zero means that the results of the matches are to be treated
680 
   as filenames.  This is ALWAYS zero on entry, and can only be changed
681 
   within a completion entry finder function. */
682 
extern int rl_filename_completion_desired;
683 
 
684 
/* Non-zero means that the results of the matches are to be quoted using
685 
   double quotes (or an application-specific quoting mechanism) if the
686 
   filename contains any characters in rl_word_break_chars.  This is
687 
   ALWAYS non-zero on entry, and can only be changed within a completion
688 
   entry finder function. */
689 
extern int rl_filename_quoting_desired;
690 
 
691 
/* Set to a function to quote a filename in an application-specific fashion.
692 
   Called with the text to quote, the type of match found (single or multiple)
693 
   and a pointer to the quoting character to be used, which the function can
694 
   reset if desired. */
695 
extern rl_quote_func_t *rl_filename_quoting_function;
696 
 
697 
/* Function to call to remove quoting characters from a filename.  Called
698 
   before completion is attempted, so the embedded quotes do not interfere
699 
   with matching names in the file system. */
700 
extern rl_dequote_func_t *rl_filename_dequoting_function;
701 
 
702 
/* Function to call to decide whether or not a word break character is
703 
   quoted.  If a character is quoted, it does not break words for the
704 
   completer. */
705 
extern rl_linebuf_func_t *rl_char_is_quoted_p;
706 
 
707 
/* Non-zero means to suppress normal filename completion after the
708 
   user-specified completion function has been called. */
709 
extern int rl_attempted_completion_over;
710 
 
711 
/* Set to a character describing the type of completion being attempted by
712 
   rl_complete_internal; available for use by application completion
713 
   functions. */
714 
extern int rl_completion_type;
715 
 
716 
/* Up to this many items will be displayed in response to a
717 
   possible-completions call.  After that, we ask the user if she
718 
   is sure she wants to see them all.  The default value is 100. */
719 
extern int rl_completion_query_items;
720 
 
721 
/* Character appended to completed words when at the end of the line.  The
722 
   default is a space.  Nothing is added if this is '\0'. */
723 
extern int rl_completion_append_character;
724 
 
725 
/* If set to non-zero by an application completion function,
726 
   rl_completion_append_character will not be appended. */
727 
extern int rl_completion_suppress_append;
728 
 
729 
/* Set to any quote character readline thinks it finds before any application
730 
   completion function is called. */
731 
extern int rl_completion_quote_character;
732 
 
733 
/* Set to a non-zero value if readline found quoting anywhere in the word to
734 
   be completed; set before any application completion function is called. */
735 
extern int rl_completion_found_quote;
736 
 
737 
/* If non-zero, the completion functions don't append any closing quote.
738 
   This is set to 0 by rl_complete_internal and may be changed by an
739 
   application-specific completion function. */
740 
extern int rl_completion_suppress_quote;
741 
 
742 
/* If non-zero, a slash will be appended to completed filenames that are
743 
   symbolic links to directory names, subject to the value of the
744 
   mark-directories variable (which is user-settable).  This exists so
745 
   that application completion functions can override the user's preference
746 
   (set via the mark-symlinked-directories variable) if appropriate.
747 
   It's set to the value of _rl_complete_mark_symlink_dirs in
748 
   rl_complete_internal before any application-specific completion
749 
   function is called, so without that function doing anything, the user's
750 
   preferences are honored. */
751 
extern int rl_completion_mark_symlink_dirs;
752 
 
753 
/* If non-zero, then disallow duplicates in the matches. */
754 
extern int rl_ignore_completion_duplicates;
755 
 
756 
/* If this is non-zero, completion is (temporarily) inhibited, and the
757 
   completion character will be inserted as any other. */
758 
extern int rl_inhibit_completion;
759 
 
760 
/* Definitions available for use by readline clients. */
761 
#define RL_PROMPT_START_IGNORE  '\001'
762 
#define RL_PROMPT_END_IGNORE    '\002'
763 
 
764 
/* Possible values for do_replace argument to rl_filename_quoting_function,
765 
   called by rl_complete_internal. */
766 
#define NO_MATCH        0
767 
#define SINGLE_MATCH    1
768 
#define MULT_MATCH      2
769 
 
770 
/* Possible state values for rl_readline_state */
771 
#define RL_STATE_NONE           0x000000                /* no state; before first call */
772 
 
773 
#define RL_STATE_INITIALIZING   0x000001        /* initializing */
774 
#define RL_STATE_INITIALIZED    0x000002        /* initialization done */
775 
#define RL_STATE_TERMPREPPED    0x000004        /* terminal is prepped */
776 
#define RL_STATE_READCMD        0x000008        /* reading a command key */
777 
#define RL_STATE_METANEXT       0x000010        /* reading input after ESC */
778 
#define RL_STATE_DISPATCHING    0x000020        /* dispatching to a command */
779 
#define RL_STATE_MOREINPUT      0x000040        /* reading more input in a command function */
780 
#define RL_STATE_ISEARCH        0x000080        /* doing incremental search */
781 
#define RL_STATE_NSEARCH        0x000100        /* doing non-inc search */
782 
#define RL_STATE_SEARCH         0x000200        /* doing a history search */
783 
#define RL_STATE_NUMERICARG     0x000400        /* reading numeric argument */
784 
#define RL_STATE_MACROINPUT     0x000800        /* getting input from a macro */
785 
#define RL_STATE_MACRODEF       0x001000        /* defining keyboard macro */
786 
#define RL_STATE_OVERWRITE      0x002000        /* overwrite mode */
787 
#define RL_STATE_COMPLETING     0x004000        /* doing completion */
788 
#define RL_STATE_SIGHANDLER     0x008000        /* in readline sighandler */
789 
#define RL_STATE_UNDOING        0x010000        /* doing an undo */
790 
#define RL_STATE_INPUTPENDING   0x020000        /* rl_execute_next called */
791 
#define RL_STATE_TTYCSAVED      0x040000        /* tty special chars saved */
792 
#define RL_STATE_CALLBACK       0x080000        /* using the callback interface */
793 
#define RL_STATE_VIMOTION       0x100000        /* reading vi motion arg */
794 
#define RL_STATE_MULTIKEY       0x200000        /* reading multiple-key command */
795 
#define RL_STATE_VICMDONCE      0x400000        /* entered vi command mode at least once */
796 
 
797 
#define RL_STATE_DONE           0x800000        /* done; accepted line */
798 
 
799 
#define RL_SETSTATE(x)          (rl_readline_state |= (x))
800 
#define RL_UNSETSTATE(x)        (rl_readline_state &= ~(x))
801 
#define RL_ISSTATE(x)           (rl_readline_state & (x))
802 
 
803 
struct readline_state {
804 
  /* line state */
805 
  int point;
806 
  int end;
807 
  int mark;
808 
  char *buffer;
809 
  int buflen;
810 
  UNDO_LIST *ul;
811 
  char *prompt;
812 
 
813 
  /* global state */
814 
  int rlstate;
815 
  int done;
816 
  Keymap kmap;
817 
 
818 
  /* input state */
819 
  rl_command_func_t *lastfunc;
820 
  int insmode;
821 
  int edmode;
822 
  int kseqlen;
823 
  FILE *inf;
824 
  FILE *outf;
825 
  int pendingin;
826 
  char *macro;
827 
 
828 
  /* signal state */
829 
  int catchsigs;
830 
  int catchsigwinch;
831 
 
832 
  /* search state */
833 
 
834 
  /* completion state */
835 
 
836 
  /* options state */
837 
 
838 
  /* reserved for future expansion, so the struct size doesn't change */
839 
  char reserved[64];
840 
};
841 
 
842 
extern int rl_save_state PARAMS((struct readline_state *));
843 
extern int rl_restore_state PARAMS((struct readline_state *));
844 
 
845 
#ifdef __cplusplus
846 
}
847 
#endif
848 
 
849 
#endif /* _READLINE_H_ */

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