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import of readlilne 5.1
[deliverable/binutils-gdb.git] / readline / rlprivate.h
CommitLineData
f9267e15
EZ		 1/* rlprivate.h -- functions and variables global to the readline library,
2 but not intended for use by applications. */
3
b585a9fa 4/* Copyright (C) 1999-2005 Free Software Foundation, Inc.
f9267e15
EZ		 5
6 This file is part of the GNU Readline Library, a library for
7 reading lines of text with interactive input and history editing.
8
9 The GNU Readline Library is free software; you can redistribute it
10 and/or modify it under the terms of the GNU General Public License
11 as published by the Free Software Foundation; either version 2, or
12 (at your option) any later version.
13
14 The GNU Readline Library is distributed in the hope that it will be
15 useful, but WITHOUT ANY WARRANTY; without even the implied warranty
16 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 The GNU General Public License is often shipped with GNU software, and
20 is generally kept in a file called COPYING or LICENSE. If you do not
21 have a copy of the license, write to the Free Software Foundation,
22 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
23
24#if !defined (_RL_PRIVATE_H_)
25#define _RL_PRIVATE_H_
26
27#include "rlconf.h" /* for VISIBLE_STATS */
28#include "rlstdc.h"
84041b4c 29#include "posixjmp.h" /* defines procenv_t */
f9267e15 30
b585a9fa
EZ		 31/*************************************************************************
32 * *
33 * Global structs undocumented in texinfo manual and not in readline.h *
34 * *
35 *************************************************************************/
36/* search types */
37#define RL_SEARCH_ISEARCH 0x01 /* incremental search */
38#define RL_SEARCH_NSEARCH 0x02 /* non-incremental search */
39#define RL_SEARCH_CSEARCH 0x04 /* intra-line char search */
40
41/* search flags */
42#define SF_REVERSE 0x01
43#define SF_FOUND 0x02
44#define SF_FAILED 0x04
45
46typedef struct __rl_search_context
47{
48 int type;
49 int sflags;
50
51 char *search_string;
52 int search_string_index;
53 int search_string_size;
54
55 char **lines;
56 char *allocated_line;
57 int hlen;
58 int hindex;
59
60 int save_point;
61 int save_mark;
62 int save_line;
63 int last_found_line;
64 char *prev_line_found;
65
66 UNDO_LIST *save_undo_list;
67
68 int history_pos;
69 int direction;
70
71 int lastc;
72#if defined (HANDLE_MULTIBYTE)
73 char mb[MB_LEN_MAX];
74#endif
75
76 char *sline;
77 int sline_len;
78 int sline_index;
79
80 char *search_terminators;
81} _rl_search_cxt;
82
83/* Callback data for reading numeric arguments */
84#define NUM_SAWMINUS 0x01
85#define NUM_SAWDIGITS 0x02
86#define NUM_READONE 0x04
87
88typedef int _rl_arg_cxt;
89
90/* A context for reading key sequences longer than a single character when
91 using the callback interface. */
92#define KSEQ_DISPATCHED 0x01
93#define KSEQ_SUBSEQ 0x02
94#define KSEQ_RECURSIVE 0x04
95
96typedef struct __rl_keyseq_context
97{
98 int flags;
99 int subseq_arg;
100 int subseq_retval; /* XXX */
101 Keymap dmap;
102
103 Keymap oldmap;
104 int okey;
105 struct __rl_keyseq_context *ocxt;
106 int childval;
107} _rl_keyseq_cxt;
108
109 /* fill in more as needed */
110/* `Generic' callback data and functions */
111typedef struct __rl_callback_generic_arg
112{
113 int count;
114 int i1, i2;
115 /* add here as needed */
116} _rl_callback_generic_arg;
117
118typedef int _rl_callback_func_t PARAMS((_rl_callback_generic_arg *));
119
f9267e15
EZ		 120/*************************************************************************
121 * *
122 * Global functions undocumented in texinfo manual and not in readline.h *
123 * *
124 *************************************************************************/
125
f9267e15
EZ		 126/*************************************************************************
127 * *
128 * Global variables undocumented in texinfo manual and not in readline.h *
129 * *
130 *************************************************************************/
131
132/* complete.c */
133extern int rl_complete_with_tilde_expansion;
134#if defined (VISIBLE_STATS)
135extern int rl_visible_stats;
136#endif /* VISIBLE_STATS */
137
138/* readline.c */
139extern int rl_line_buffer_len;
f9267e15 140extern int rl_arg_sign;
f9267e15 141extern int rl_visible_prompt_length;
f9267e15
EZ		 142extern int readline_echoing_p;
143extern int rl_key_sequence_length;
84041b4c 144extern int rl_byte_oriented;
f9267e15 145
b585a9fa
EZ		 146extern _rl_keyseq_cxt *_rl_kscxt;
147
f9267e15
EZ		 148/* display.c */
149extern int rl_display_fixed;
150
151/* parens.c */
152extern int rl_blink_matching_paren;
153
154/*************************************************************************
155 * *
156 * Global functions and variables unsed and undocumented *
157 * *
158 *************************************************************************/
159
f9267e15 160/* kill.c */
84041b4c 161extern int rl_set_retained_kills PARAMS((int));
f9267e15
EZ		 162
163/* terminal.c */
84041b4c 164extern void _rl_set_screen_size PARAMS((int, int));
f9267e15
EZ		 165
166/* undo.c */
84041b4c 167extern int _rl_fix_last_undo_of_type PARAMS((int, int, int));
f9267e15
EZ		 168
169/* util.c */
84041b4c 170extern char *_rl_savestring PARAMS((const char *));
f9267e15
EZ		 171
172/*************************************************************************
173 * *
174 * Functions and variables private to the readline library *
175 * *
176 *************************************************************************/
177
178/* NOTE: Functions and variables prefixed with `_rl_' are
179 pseudo-global: they are global so they can be shared
180 between files in the readline library, but are not intended
181 to be visible to readline callers. */
182
183/*************************************************************************
184 * Undocumented private functions *
185 *************************************************************************/
186
187#if defined(READLINE_CALLBACKS)
188
189/* readline.c */
84041b4c
EZ		 190extern void readline_internal_setup PARAMS((void));
191extern char *readline_internal_teardown PARAMS((int));
192extern int readline_internal_char PARAMS((void));
f9267e15 193
b585a9fa
EZ		 194extern _rl_keyseq_cxt *_rl_keyseq_cxt_alloc PARAMS((void));
195extern void _rl_keyseq_cxt_dispose PARAMS((_rl_keyseq_cxt *));
196extern void _rl_keyseq_chain_dispose PARAMS((void));
197
198extern int _rl_dispatch_callback PARAMS((_rl_keyseq_cxt *));
199
200/* callback.c */
201extern _rl_callback_generic_arg *_rl_callback_data_alloc PARAMS((int));
202extern void _rl_callback_data_dispose PARAMS((_rl_callback_generic_arg *));
203
f9267e15
EZ		 204#endif /* READLINE_CALLBACKS */
205
206/* bind.c */
84041b4c
EZ		 207
208/* complete.c */
209extern char _rl_find_completion_word PARAMS((int *, int *));
210extern void _rl_free_match_list PARAMS((char **));
f9267e15
EZ		 211
212/* display.c */
84041b4c
EZ		 213extern char *_rl_strip_prompt PARAMS((char *));
214extern void _rl_move_cursor_relative PARAMS((int, const char *));
215extern void _rl_move_vert PARAMS((int));
216extern void _rl_save_prompt PARAMS((void));
217extern void _rl_restore_prompt PARAMS((void));
218extern char *_rl_make_prompt_for_search PARAMS((int));
219extern void _rl_erase_at_end_of_line PARAMS((int));
220extern void _rl_clear_to_eol PARAMS((int));
221extern void _rl_clear_screen PARAMS((void));
222extern void _rl_update_final PARAMS((void));
223extern void _rl_redisplay_after_sigwinch PARAMS((void));
224extern void _rl_clean_up_for_exit PARAMS((void));
225extern void _rl_erase_entire_line PARAMS((void));
226extern int _rl_current_display_line PARAMS((void));
f9267e15
EZ		 227
228/* input.c */
84041b4c
EZ		 229extern int _rl_any_typein PARAMS((void));
230extern int _rl_input_available PARAMS((void));
231extern int _rl_input_queued PARAMS((int));
232extern void _rl_insert_typein PARAMS((int));
233extern int _rl_unget_char PARAMS((int));
b585a9fa
EZ		 234extern int _rl_pushed_input_available PARAMS((void));
235
236/* isearch.c */
237extern _rl_search_cxt *_rl_scxt_alloc PARAMS((int, int));
238extern void _rl_scxt_dispose PARAMS((_rl_search_cxt *, int));
239
240extern int _rl_isearch_dispatch PARAMS((_rl_search_cxt *, int));
241extern int _rl_isearch_callback PARAMS((_rl_search_cxt *));
242
243extern int _rl_search_getchar PARAMS((_rl_search_cxt *));
f9267e15
EZ		 244
245/* macro.c */
84041b4c
EZ		 246extern void _rl_with_macro_input PARAMS((char *));
247extern int _rl_next_macro_key PARAMS((void));
248extern void _rl_push_executing_macro PARAMS((void));
249extern void _rl_pop_executing_macro PARAMS((void));
250extern void _rl_add_macro_char PARAMS((int));
251extern void _rl_kill_kbd_macro PARAMS((void));
252
253/* misc.c */
b585a9fa
EZ		 254extern int _rl_arg_overflow PARAMS((void));
255extern void _rl_arg_init PARAMS((void));
256extern int _rl_arg_getchar PARAMS((void));
257extern int _rl_arg_callback PARAMS((_rl_arg_cxt));
258extern void _rl_reset_argument PARAMS((void));
259
84041b4c
EZ		 260extern void _rl_start_using_history PARAMS((void));
261extern int _rl_free_saved_history_line PARAMS((void));
262extern void _rl_set_insert_mode PARAMS((int, int));
f9267e15
EZ		 263
264/* nls.c */
84041b4c 265extern int _rl_init_eightbit PARAMS((void));
f9267e15
EZ		 266
267/* parens.c */
84041b4c 268extern void _rl_enable_paren_matching PARAMS((int));
f9267e15
EZ		 269
270/* readline.c */
84041b4c
EZ		 271extern void _rl_init_line_state PARAMS((void));
272extern void _rl_set_the_line PARAMS((void));
273extern int _rl_dispatch PARAMS((int, Keymap));
274extern int _rl_dispatch_subseq PARAMS((int, Keymap, int));
b585a9fa 275extern void _rl_internal_char_cleanup PARAMS((void));
f9267e15
EZ		 276
277/* rltty.c */
84041b4c
EZ		 278extern int _rl_disable_tty_signals PARAMS((void));
279extern int _rl_restore_tty_signals PARAMS((void));
f9267e15 280
b585a9fa
EZ		 281/* search.c */
282extern int _rl_nsearch_callback PARAMS((_rl_search_cxt *));
283
f9267e15 284/* terminal.c */
84041b4c
EZ		 285extern void _rl_get_screen_size PARAMS((int, int));
286extern int _rl_init_terminal_io PARAMS((const char *));
f9267e15 287#ifdef _MINIX
84041b4c
EZ		 288extern void _rl_output_character_function PARAMS((int));
289#else
290extern int _rl_output_character_function PARAMS((int));
291#endif
292extern void _rl_output_some_chars PARAMS((const char *, int));
293extern int _rl_backspace PARAMS((int));
294extern void _rl_enable_meta_key PARAMS((void));
295extern void _rl_control_keypad PARAMS((int));
296extern void _rl_set_cursor PARAMS((int, int));
297
298/* text.c */
299extern void _rl_fix_point PARAMS((int));
300extern int _rl_replace_text PARAMS((const char *, int, int));
301extern int _rl_insert_char PARAMS((int, int));
302extern int _rl_overwrite_char PARAMS((int, int));
303extern int _rl_overwrite_rubout PARAMS((int, int));
304extern int _rl_rubout_char PARAMS((int, int));
305#if defined (HANDLE_MULTIBYTE)
306extern int _rl_char_search_internal PARAMS((int, int, char *, int));
f9267e15 307#else
84041b4c 308extern int _rl_char_search_internal PARAMS((int, int, int));
f9267e15 309#endif
84041b4c 310extern int _rl_set_mark_at_pos PARAMS((int));
f9267e15
EZ		 311
312/* util.c */
84041b4c
EZ		 313extern int _rl_abort_internal PARAMS((void));
314extern char *_rl_strindex PARAMS((const char *, const char *));
315extern int _rl_qsort_string_compare PARAMS((char **, char **));
316extern int (_rl_uppercase_p) PARAMS((int));
317extern int (_rl_lowercase_p) PARAMS((int));
318extern int (_rl_pure_alphabetic) PARAMS((int));
319extern int (_rl_digit_p) PARAMS((int));
320extern int (_rl_to_lower) PARAMS((int));
321extern int (_rl_to_upper) PARAMS((int));
322extern int (_rl_digit_value) PARAMS((int));
f9267e15
EZ		 323
324/* vi_mode.c */
84041b4c
EZ		 325extern void _rl_vi_initialize_line PARAMS((void));
326extern void _rl_vi_reset_last PARAMS((void));
327extern void _rl_vi_set_last PARAMS((int, int, int));
328extern int _rl_vi_textmod_command PARAMS((int));
329extern void _rl_vi_done_inserting PARAMS((void));
f9267e15
EZ		 330
331/*************************************************************************
332 * Undocumented private variables *
333 *************************************************************************/
334
84041b4c
EZ		 335/* bind.c */
336extern const char *_rl_possible_control_prefixes[];
337extern const char *_rl_possible_meta_prefixes[];
338
b585a9fa
EZ		 339/* callback.c */
340extern _rl_callback_func_t *_rl_callback_func;
341extern _rl_callback_generic_arg *_rl_callback_data;
342
f9267e15
EZ		 343/* complete.c */
344extern int _rl_complete_show_all;
b585a9fa 345extern int _rl_complete_show_unmodified;
f9267e15 346extern int _rl_complete_mark_directories;
84041b4c 347extern int _rl_complete_mark_symlink_dirs;
f9267e15
EZ		 348extern int _rl_print_completions_horizontally;
349extern int _rl_completion_case_fold;
84041b4c
EZ		 350extern int _rl_match_hidden_files;
351extern int _rl_page_completions;
f9267e15
EZ		 352
353/* display.c */
354extern int _rl_vis_botlin;
355extern int _rl_last_c_pos;
356extern int _rl_suppress_redisplay;
b585a9fa 357extern int _rl_want_redisplay;
f9267e15
EZ		 358extern char *rl_display_prompt;
359
f9267e15 360/* isearch.c */
84041b4c 361extern char *_rl_isearch_terminators;
f9267e15 362
b585a9fa
EZ		 363extern _rl_search_cxt *_rl_iscxt;
364
f9267e15 365/* macro.c */
f9267e15
EZ		 366extern char *_rl_executing_macro;
367
84041b4c
EZ		 368/* misc.c */
369extern int _rl_history_preserve_point;
370extern int _rl_history_saved_point;
371
b585a9fa
EZ		 372extern _rl_arg_cxt _rl_argcxt;
373
f9267e15
EZ		 374/* readline.c */
375extern int _rl_horizontal_scroll_mode;
376extern int _rl_mark_modified_lines;
377extern int _rl_bell_preference;
378extern int _rl_meta_flag;
379extern int _rl_convert_meta_chars_to_ascii;
380extern int _rl_output_meta_chars;
b585a9fa 381extern int _rl_bind_stty_chars;
f9267e15
EZ		 382extern char *_rl_comment_begin;
383extern unsigned char _rl_parsing_conditionalized_out;
384extern Keymap _rl_keymap;
385extern FILE *_rl_in_stream;
386extern FILE *_rl_out_stream;
387extern int _rl_last_command_was_kill;
388extern int _rl_eof_char;
389extern procenv_t readline_top_level;
390
b585a9fa
EZ		 391/* search.c */
392extern _rl_search_cxt *_rl_nscxt;
393
f9267e15
EZ		 394/* terminal.c */
395extern int _rl_enable_keypad;
396extern int _rl_enable_meta;
84041b4c
EZ		 397extern char *_rl_term_clreol;
398extern char *_rl_term_clrpag;
399extern char *_rl_term_im;
400extern char *_rl_term_ic;
401extern char *_rl_term_ei;
402extern char *_rl_term_DC;
403extern char *_rl_term_up;
404extern char *_rl_term_dc;
405extern char *_rl_term_cr;
406extern char *_rl_term_IC;
407extern int _rl_screenheight;
408extern int _rl_screenwidth;
409extern int _rl_screenchars;
410extern int _rl_terminal_can_insert;
f9267e15
EZ		 411extern int _rl_term_autowrap;
412
413/* undo.c */
414extern int _rl_doing_an_undo;
415extern int _rl_undo_group_level;
416
b585a9fa
EZ		 417/* vi_mode.c */
418extern int _rl_vi_last_command;
419
f9267e15 420#endif /* _RL_PRIVATE_H_ */
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