readline/funmap.c

   1 /* funmap.c -- attach names to functions. */
   2
   3 /* Copyright (C) 1988,1989 Free Software Foundation, Inc.
   4
   5    This file is part of GNU Readline, a library for reading lines
   6    of text with interactive input and history editing.
   7
   8    Readline is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published by the
  10    Free Software Foundation; either version 1, or (at your option) any
  11    later version.
  12
  13    Readline is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with Readline; see the file COPYING.  If not, write to the Free
  20    Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
  21
  22 #define STATIC_MALLOC
  23 #ifndef STATIC_MALLOC
  24 extern char *xmalloc (), *xrealloc ();
  25 #else
  26 static char *xmalloc (), *xrealloc ();
  27 #endif
  28
  29 #ifndef FILE
  30 #include <stdio.h>
  31 #endif /* FILE */
  32
  33 #include "readline.h"
  34
  35 FUNMAP **funmap = (FUNMAP **)NULL;
  36 static int funmap_size = 0;
  37 static int funmap_entry = 0;
  38
  39 static FUNMAP default_funmap[] = {
  40   { "beginning-of-line", rl_beg_of_line },
  41   { "backward-char", rl_backward },
  42   { "delete-char", rl_delete },
  43   { "end-of-line", rl_end_of_line },
  44   { "forward-char", rl_forward },
  45   { "accept-line", rl_newline },
  46   { "kill-line", rl_kill_line },
  47   { "clear-screen", rl_clear_screen },
  48   { "next-history", rl_get_next_history },
  49   { "previous-history", rl_get_previous_history },
  50   { "quoted-insert", rl_quoted_insert },
  51   { "reverse-search-history", rl_reverse_search_history },
  52   { "forward-search-history", rl_forward_search_history },
  53   { "transpose-chars", rl_transpose_chars },
  54   { "unix-line-discard", rl_unix_line_discard },
  55   { "unix-word-rubout", rl_unix_word_rubout },
  56   { "yank", rl_yank },
  57   { "yank-pop", rl_yank_pop },
  58   { "yank-nth-arg", rl_yank_nth_arg },
  59   { "backward-delete-char", rl_rubout },
  60   { "backward-word", rl_backward_word },
  61   { "kill-word", rl_kill_word },
  62   { "forward-word", rl_forward_word },
  63   { "tab-insert", rl_tab_insert },
  64   { "backward-kill-word", rl_backward_kill_word },
  65   { "backward-kill-line", rl_backward_kill_line },
  66   { "transpose-words", rl_transpose_words },
  67   { "digit-argument", rl_digit_argument },
  68   { "complete", rl_complete },
  69   { "possible-completions", rl_possible_completions },
  70   { "do-lowercase-version", rl_do_lowercase_version },
  71   { "digit-argument", rl_digit_argument },
  72   { "universal-argument", rl_universal_argument },
  73   { "abort", rl_abort },
  74   { "undo", rl_undo_command },
  75   { "upcase-word", rl_upcase_word },
  76   { "downcase-word", rl_downcase_word },
  77   { "capitalize-word", rl_capitalize_word },
  78   { "revert-line", rl_revert_line },
  79   { "beginning-of-history", rl_beginning_of_history },
  80   { "end-of-history", rl_end_of_history },
  81   { "self-insert", rl_insert },
  82   { "start-kbd-macro", rl_start_kbd_macro },
  83   { "end-kbd-macro", rl_end_kbd_macro },
  84   { "re-read-init-file", rl_re_read_init_file },
  85 #ifdef VI_MODE
  86   { "vi-movement-mode", rl_vi_movement_mode },
  87   { "vi-insertion-mode", rl_vi_insertion_mode },
  88   { "vi-arg-digit", rl_vi_arg_digit },
  89   { "vi-prev-word", rl_vi_prev_word },
  90   { "vi-next-word", rl_vi_next_word },
  91   { "vi-char-search", rl_vi_char_search },
  92   { "vi-editing-mode", rl_vi_editing_mode },
  93   { "vi-eof-maybe", rl_vi_eof_maybe },
  94   { "vi-append-mode", rl_vi_append_mode },
  95   { "vi-put", rl_vi_put },
  96   { "vi-append-eol", rl_vi_append_eol },
  97   { "vi-insert-beg", rl_vi_insert_beg },
  98   { "vi-delete", rl_vi_delete },
  99   { "vi-comment", rl_vi_comment },
 100   { "vi-first-print", rl_vi_first_print },
 101   { "vi-fword", rl_vi_fword },
 102   { "vi-fWord", rl_vi_fWord },
 103   { "vi-bword", rl_vi_bword },
 104   { "vi-bWord", rl_vi_bWord },
 105   { "vi-eword", rl_vi_eword },
 106   { "vi-eWord", rl_vi_eWord },
 107   { "vi-end-word", rl_vi_end_word },
 108   { "vi-change-case", rl_vi_change_case },
 109   { "vi-match", rl_vi_match },
 110   { "vi-bracktype", rl_vi_bracktype },
 111   { "vi-change-char", rl_vi_change_char },
 112   { "vi-yank-arg", rl_vi_yank_arg },
 113   { "vi-search", rl_vi_search },
 114   { "vi-search-again", rl_vi_search_again },
 115   { "vi-dosearch", rl_vi_dosearch },
 116   { "vi-subst", rl_vi_subst },
 117   { "vi-overstrike", rl_vi_overstrike },
 118   { "vi-overstrike-delete", rl_vi_overstrike_delete },
 119   { "vi-replace, ", rl_vi_replace },
 120   { "vi-column", rl_vi_column },
 121   { "vi-delete-to", rl_vi_delete_to },
 122   { "vi-change-to", rl_vi_change_to },
 123   { "vi-yank-to", rl_vi_yank_to },
 124   { "vi-complete", rl_vi_complete },
 125 #endif /* VI_MODE */
 126
 127  {(char *)NULL, (Function *)NULL }
 128 };
 129
 130 rl_add_funmap_entry (name, function)
 131      char *name;
 132      Function *function;
 133 {
 134   if (funmap_entry + 2 >= funmap_size)
 135     if (!funmap)
 136       funmap = (FUNMAP **)xmalloc ((funmap_size = 80) * sizeof (FUNMAP *));
 137     else
 138       funmap =
 139         (FUNMAP **)xrealloc (funmap, (funmap_size += 80) * sizeof (FUNMAP *));
 140
 141   funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
 142   funmap[funmap_entry]->name = name;
 143   funmap[funmap_entry]->function = function;
 144
 145   funmap[++funmap_entry] = (FUNMAP *)NULL;
 146 }
 147
 148 static int funmap_initialized = 0;
 149
 150 /* Make the funmap contain all of the default entries. */
 151 rl_initialize_funmap ()
 152 {
 153   register int i;
 154
 155   if (funmap_initialized)
 156     return;
 157
 158   for (i = 0; default_funmap[i].name; i++)
 159     rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
 160
 161   funmap_initialized = 1;
 162 }
 163
 164 /* Things that mean `Control'. */
 165 char *possible_control_prefixes[] = {
 166   "Control-", "C-", "CTRL-", (char *)NULL
 167 };
 168
 169 char *possible_meta_prefixes[] = {
 170   "Meta", "M-", (char *)NULL
 171 };
 172
 173 #ifdef STATIC_MALLOC
 174 \f
 175 /* **************************************************************** */
 176 /*                                                                  */
 177 /*                      xmalloc and xrealloc ()                     */
 178 /*                                                                  */
 179 /* **************************************************************** */
 180
 181 static void memory_error_and_abort ();
 182
 183 static char *
 184 xmalloc (bytes)
 185      int bytes;
 186 {
 187   char *temp = (char *)malloc (bytes);
 188
 189   if (!temp)
 190     memory_error_and_abort ();
 191   return (temp);
 192 }
 193
 194 static char *
 195 xrealloc (pointer, bytes)
 196      char *pointer;
 197      int bytes;
 198 {
 199   char *temp = (char *)realloc (pointer, bytes);
 200
 201   if (!temp)
 202     memory_error_and_abort ();
 203   return (temp);
 204 }
 205
 206 static void
 207 memory_error_and_abort ()
 208 {
 209   fprintf (stderr, "history: Out of virtual memory!\n");
 210   abort ();
 211 }
 212 #endif /* STATIC_MALLOC */