xref: /netbsd-src/external/gpl3/gdb/dist/readline/readline/funmap.c (revision 4b169a6ba595ae283ca507b26b15fdff40495b1c)
1 /* funmap.c -- attach names to functions. */
2 
3 /* Copyright (C) 1987-2020 Free Software Foundation, Inc.
4 
5    This file is part of the GNU Readline Library (Readline), a library
6    for reading lines of text with interactive input and history editing.
7 
8    Readline is free software: you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation, either version 3 of the License, or
11    (at your option) any later version.
12 
13    Readline is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with Readline.  If not, see <http://www.gnu.org/licenses/>.
20 */
21 
22 #define READLINE_LIBRARY
23 
24 #if defined (HAVE_CONFIG_H)
25 #  include <config.h>
26 #endif
27 
28 #if !defined (BUFSIZ)
29 #include <stdio.h>
30 #endif /* BUFSIZ */
31 
32 #if defined (HAVE_STDLIB_H)
33 #  include <stdlib.h>
34 #else
35 #  include "ansi_stdlib.h"
36 #endif /* HAVE_STDLIB_H */
37 
38 #include "rlconf.h"
39 #include "readline.h"
40 
41 #include "xmalloc.h"
42 
43 #ifdef __STDC__
44 typedef int QSFUNC (const void *, const void *);
45 #else
46 typedef int QSFUNC ();
47 #endif
48 
49 extern int _rl_qsort_string_compare PARAMS((char **, char **));
50 
51 FUNMAP **funmap;
52 static int funmap_size;
53 static int funmap_entry;
54 
55 /* After initializing the function map, this is the index of the first
56    program specific function. */
57 int funmap_program_specific_entry_start;
58 
59 static const FUNMAP default_funmap[] = {
60   { "abort", rl_abort },
61   { "accept-line", rl_newline },
62   { "arrow-key-prefix", rl_arrow_keys },
63   { "backward-byte", rl_backward_byte },
64   { "backward-char", rl_backward_char },
65   { "backward-delete-char", rl_rubout },
66   { "backward-kill-line", rl_backward_kill_line },
67   { "backward-kill-word", rl_backward_kill_word },
68   { "backward-word", rl_backward_word },
69   { "beginning-of-history", rl_beginning_of_history },
70   { "beginning-of-line", rl_beg_of_line },
71   { "bracketed-paste-begin", rl_bracketed_paste_begin },
72   { "call-last-kbd-macro", rl_call_last_kbd_macro },
73   { "capitalize-word", rl_capitalize_word },
74   { "character-search", rl_char_search },
75   { "character-search-backward", rl_backward_char_search },
76   { "clear-display", rl_clear_display },
77   { "clear-screen", rl_clear_screen },
78   { "complete", rl_complete },
79   { "copy-backward-word", rl_copy_backward_word },
80   { "copy-forward-word", rl_copy_forward_word },
81   { "copy-region-as-kill", rl_copy_region_to_kill },
82   { "delete-char", rl_delete },
83   { "delete-char-or-list", rl_delete_or_show_completions },
84   { "delete-horizontal-space", rl_delete_horizontal_space },
85   { "digit-argument", rl_digit_argument },
86   { "do-lowercase-version", rl_do_lowercase_version },
87   { "downcase-word", rl_downcase_word },
88   { "dump-functions", rl_dump_functions },
89   { "dump-macros", rl_dump_macros },
90   { "dump-variables", rl_dump_variables },
91   { "emacs-editing-mode", rl_emacs_editing_mode },
92   { "end-kbd-macro", rl_end_kbd_macro },
93   { "end-of-history", rl_end_of_history },
94   { "end-of-line", rl_end_of_line },
95   { "exchange-point-and-mark", rl_exchange_point_and_mark },
96   { "forward-backward-delete-char", rl_rubout_or_delete },
97   { "forward-byte", rl_forward_byte },
98   { "forward-char", rl_forward_char },
99   { "forward-search-history", rl_forward_search_history },
100   { "forward-word", rl_forward_word },
101   { "history-search-backward", rl_history_search_backward },
102   { "history-search-forward", rl_history_search_forward },
103   { "history-substring-search-backward", rl_history_substr_search_backward },
104   { "history-substring-search-forward", rl_history_substr_search_forward },
105   { "insert-comment", rl_insert_comment },
106   { "insert-completions", rl_insert_completions },
107   { "kill-whole-line", rl_kill_full_line },
108   { "kill-line", rl_kill_line },
109   { "kill-region", rl_kill_region },
110   { "kill-word", rl_kill_word },
111   { "menu-complete", rl_menu_complete },
112   { "menu-complete-backward", rl_backward_menu_complete },
113   { "next-history", rl_get_next_history },
114   { "next-screen-line", rl_next_screen_line },
115   { "non-incremental-forward-search-history", rl_noninc_forward_search },
116   { "non-incremental-reverse-search-history", rl_noninc_reverse_search },
117   { "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
118   { "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
119   { "old-menu-complete", rl_old_menu_complete },
120   { "operate-and-get-next", rl_operate_and_get_next },
121   { "overwrite-mode", rl_overwrite_mode },
122 #if defined (_WIN32)
123   { "paste-from-clipboard", rl_paste_from_clipboard },
124 #endif
125   { "possible-completions", rl_possible_completions },
126   { "previous-history", rl_get_previous_history },
127   { "previous-screen-line", rl_previous_screen_line },
128   { "print-last-kbd-macro", rl_print_last_kbd_macro },
129   { "quoted-insert", rl_quoted_insert },
130   { "re-read-init-file", rl_re_read_init_file },
131   { "redraw-current-line", rl_refresh_line},
132   { "reverse-search-history", rl_reverse_search_history },
133   { "revert-line", rl_revert_line },
134   { "self-insert", rl_insert },
135   { "set-mark", rl_set_mark },
136   { "skip-csi-sequence", rl_skip_csi_sequence },
137   { "start-kbd-macro", rl_start_kbd_macro },
138   { "tab-insert", rl_tab_insert },
139   { "tilde-expand", rl_tilde_expand },
140   { "transpose-chars", rl_transpose_chars },
141   { "transpose-words", rl_transpose_words },
142   { "tty-status", rl_tty_status },
143   { "undo", rl_undo_command },
144   { "universal-argument", rl_universal_argument },
145   { "unix-filename-rubout", rl_unix_filename_rubout },
146   { "unix-line-discard", rl_unix_line_discard },
147   { "unix-word-rubout", rl_unix_word_rubout },
148   { "upcase-word", rl_upcase_word },
149   { "yank", rl_yank },
150   { "yank-last-arg", rl_yank_last_arg },
151   { "yank-nth-arg", rl_yank_nth_arg },
152   { "yank-pop", rl_yank_pop },
153 
154 #if defined (VI_MODE)
155   { "vi-append-eol", rl_vi_append_eol },
156   { "vi-append-mode", rl_vi_append_mode },
157   { "vi-arg-digit", rl_vi_arg_digit },
158   { "vi-back-to-indent", rl_vi_back_to_indent },
159   { "vi-backward-bigword", rl_vi_bWord },
160   { "vi-backward-word", rl_vi_bword },
161   { "vi-bWord", rl_vi_bWord },
162   { "vi-bword", rl_vi_bword },	/* BEWARE: name matching is case insensitive */
163   { "vi-change-case", rl_vi_change_case },
164   { "vi-change-char", rl_vi_change_char },
165   { "vi-change-to", rl_vi_change_to },
166   { "vi-char-search", rl_vi_char_search },
167   { "vi-column", rl_vi_column },
168   { "vi-complete", rl_vi_complete },
169   { "vi-delete", rl_vi_delete },
170   { "vi-delete-to", rl_vi_delete_to },
171   { "vi-eWord", rl_vi_eWord },
172   { "vi-editing-mode", rl_vi_editing_mode },
173   { "vi-end-bigword", rl_vi_eWord },
174   { "vi-end-word", rl_vi_end_word },
175   { "vi-eof-maybe", rl_vi_eof_maybe },
176   { "vi-eword", rl_vi_eword },	/* BEWARE: name matching is case insensitive */
177   { "vi-fWord", rl_vi_fWord },
178   { "vi-fetch-history", rl_vi_fetch_history },
179   { "vi-first-print", rl_vi_first_print },
180   { "vi-forward-bigword", rl_vi_fWord },
181   { "vi-forward-word", rl_vi_fword },
182   { "vi-fword", rl_vi_fword },	/* BEWARE: name matching is case insensitive */
183   { "vi-goto-mark", rl_vi_goto_mark },
184   { "vi-insert-beg", rl_vi_insert_beg },
185   { "vi-insertion-mode", rl_vi_insert_mode },
186   { "vi-match", rl_vi_match },
187   { "vi-movement-mode", rl_vi_movement_mode },
188   { "vi-next-word", rl_vi_next_word },
189   { "vi-overstrike", rl_vi_overstrike },
190   { "vi-overstrike-delete", rl_vi_overstrike_delete },
191   { "vi-prev-word", rl_vi_prev_word },
192   { "vi-put", rl_vi_put },
193   { "vi-redo", rl_vi_redo },
194   { "vi-replace", rl_vi_replace },
195   { "vi-rubout", rl_vi_rubout },
196   { "vi-search", rl_vi_search },
197   { "vi-search-again", rl_vi_search_again },
198   { "vi-set-mark", rl_vi_set_mark },
199   { "vi-subst", rl_vi_subst },
200   { "vi-tilde-expand", rl_vi_tilde_expand },
201   { "vi-unix-word-rubout", rl_vi_unix_word_rubout },
202   { "vi-yank-arg", rl_vi_yank_arg },
203   { "vi-yank-pop", rl_vi_yank_pop },
204   { "vi-yank-to", rl_vi_yank_to },
205 #endif /* VI_MODE */
206 
207  {(char *)NULL, (rl_command_func_t *)NULL }
208 };
209 
210 int
rl_add_funmap_entry(const char * name,rl_command_func_t * function)211 rl_add_funmap_entry (const char *name, rl_command_func_t *function)
212 {
213   if (funmap_entry + 2 >= funmap_size)
214     {
215       funmap_size += 64;
216       funmap = (FUNMAP **)xrealloc (funmap, funmap_size * sizeof (FUNMAP *));
217     }
218 
219   funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
220   funmap[funmap_entry]->name = name;
221   funmap[funmap_entry]->function = function;
222 
223   funmap[++funmap_entry] = (FUNMAP *)NULL;
224   return funmap_entry;
225 }
226 
227 static int funmap_initialized;
228 
229 /* Make the funmap contain all of the default entries. */
230 void
rl_initialize_funmap(void)231 rl_initialize_funmap (void)
232 {
233   register int i;
234 
235   if (funmap_initialized)
236     return;
237 
238   for (i = 0; default_funmap[i].name; i++)
239     rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
240 
241   funmap_initialized = 1;
242   funmap_program_specific_entry_start = i;
243 }
244 
245 /* Produce a NULL terminated array of known function names.  The array
246    is sorted.  The array itself is allocated, but not the strings inside.
247    You should free () the array when you done, but not the pointers. */
248 const char **
rl_funmap_names(void)249 rl_funmap_names (void)
250 {
251   const char **result;
252   int result_size, result_index;
253 
254   /* Make sure that the function map has been initialized. */
255   rl_initialize_funmap ();
256 
257   for (result_index = result_size = 0, result = (const char **)NULL; funmap[result_index]; result_index++)
258     {
259       if (result_index + 2 > result_size)
260 	{
261 	  result_size += 20;
262 	  result = (const char **)xrealloc (result, result_size * sizeof (char *));
263 	}
264 
265       result[result_index] = funmap[result_index]->name;
266       result[result_index + 1] = (char *)NULL;
267     }
268 
269   qsort (result, result_index, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
270   return (result);
271 }
272