Return to keymaps.c CVS log

Up to [Apple XNU] / GNUtools / debug / gdb / readline

Annotation of GNUtools/debug/gdb/readline/keymaps.c, revision 1.1

1.1     ! root        1: /* keymaps.c -- Functions and keymaps for the GNU Readline library. */
        !             2: 
        !             3: /* Copyright (C) 1988, 1989, 1991 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
        !             9:    it under the terms of the GNU General Public License as published by
        !            10:    the Free Software Foundation; either version 2 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 this program; if not, write to the Free Software
        !            20:    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            21: 
        !            22: #include "sysdep.h"
        !            23: #include <stdio.h>
        !            24: #include "readline.h"
        !            25: #include "keymaps.h"
        !            26: #include "emacs_keymap.c"
        !            27: 
        !            28: #ifdef VI_MODE
        !            29: #include "vi_keymap.c"
        !            30: #endif
        !            31: 
        !            32: #ifndef xmalloc
        !            33: /* Remove these declarations when we have a complete libgnu.a. */
        !            34: /* #define STATIC_MALLOC */
        !            35: #if !defined (STATIC_MALLOC)
        !            36: extern char *xmalloc (), *xrealloc ();
        !            37: #else
        !            38: static char *xmalloc (), *xrealloc ();
        !            39: #endif /* STATIC_MALLOC */
        !            40: #endif /* !xmalloc */
        !            41: /* **************************************************************** */
        !            42: /*                                                                 */
        !            43: /*                   Functions for manipulating Keymaps.           */
        !            44: /*                                                                 */
        !            45: /* **************************************************************** */
        !            46: 
        !            47: 
        !            48: /* Return a new, empty keymap.
        !            49:    Free it with free() when you are done. */
        !            50: Keymap
        !            51: rl_make_bare_keymap ()
        !            52: {
        !            53:   register int i;
        !            54:   Keymap keymap = (Keymap)xmalloc (128 * sizeof (KEYMAP_ENTRY));
        !            55: 
        !            56:   for (i = 0; i < 128; i++)
        !            57:     {
        !            58:       keymap[i].type = ISFUNC;
        !            59:       keymap[i].function = (Function *)NULL;
        !            60:     }
        !            61: 
        !            62:   for (i = 'A'; i < ('Z' + 1); i++)
        !            63:     {
        !            64:       keymap[i].type = ISFUNC;
        !            65:       keymap[i].function = rl_do_lowercase_version;
        !            66:     }
        !            67: 
        !            68:   return (keymap);
        !            69: }
        !            70: 
        !            71: /* Return a new keymap which is a copy of MAP. */
        !            72: Keymap
        !            73: rl_copy_keymap (map)
        !            74:      Keymap map;
        !            75: {
        !            76:   register int i;
        !            77:   Keymap temp = rl_make_bare_keymap ();
        !            78: 
        !            79:   for (i = 0; i < 128; i++)
        !            80:     {
        !            81:       temp[i].type = map[i].type;
        !            82:       temp[i].function = map[i].function;
        !            83:     }
        !            84:   return (temp);
        !            85: }
        !            86: 
        !            87: /* Return a new keymap with the printing characters bound to rl_insert,
        !            88:    the uppercase Meta characters bound to run their lowercase equivalents,
        !            89:    and the Meta digits bound to produce numeric arguments. */
        !            90: Keymap
        !            91: rl_make_keymap ()
        !            92: {
        !            93:   extern rl_insert (), rl_rubout ();
        !            94:   register int i;
        !            95:   Keymap newmap;
        !            96: 
        !            97:   newmap = rl_make_bare_keymap ();
        !            98: 
        !            99:   /* All printing characters are self-inserting. */
        !           100:   for (i = ' '; i < 126; i++)
        !           101:     newmap[i].function = rl_insert;
        !           102: 
        !           103:   newmap[TAB].function = rl_insert;
        !           104:   newmap[RUBOUT].function = rl_rubout;
        !           105:   newmap[CTRL('H')].function = rl_rubout;
        !           106: 
        !           107:   return (newmap);
        !           108: }
        !           109: 
        !           110: /* Free the storage associated with MAP. */
        !           111: rl_discard_keymap (map)
        !           112:      Keymap (map);
        !           113: {
        !           114:   int i;
        !           115: 
        !           116:   if (!map)
        !           117:     return;
        !           118: 
        !           119:   for (i = 0; i < 128; i++)
        !           120:     {
        !           121:       switch (map[i].type)
        !           122:        {
        !           123:        case ISFUNC:
        !           124:          break;
        !           125: 
        !           126:        case ISKMAP:
        !           127:          rl_discard_keymap ((Keymap)map[i].function);
        !           128:          break;
        !           129: 
        !           130:        case ISMACR:
        !           131:          free ((char *)map[i].function);
        !           132:          break;
        !           133:        }
        !           134:     }
        !           135: }
        !           136: 
        !           137: #ifdef STATIC_MALLOC
        !           138: 
        !           139: /* **************************************************************** */
        !           140: /*                                                                 */
        !           141: /*                     xmalloc and xrealloc ()                     */
        !           142: /*                                                                 */
        !           143: /* **************************************************************** */
        !           144: 
        !           145: static void memory_error_and_abort ();
        !           146: 
        !           147: static char *
        !           148: xmalloc (bytes)
        !           149:      int bytes;
        !           150: {
        !           151:   char *temp = (char *)malloc (bytes);
        !           152: 
        !           153:   if (!temp)
        !           154:     memory_error_and_abort ();
        !           155:   return (temp);
        !           156: }
        !           157: 
        !           158: static char *
        !           159: xrealloc (pointer, bytes)
        !           160:      char *pointer;
        !           161:      int bytes;
        !           162: {
        !           163:   char *temp;
        !           164: 
        !           165:   if (!pointer)
        !           166:     temp = (char *)malloc (bytes);
        !           167:   else
        !           168:     temp = (char *)realloc (pointer, bytes);
        !           169: 
        !           170:   if (!temp)
        !           171:     memory_error_and_abort ();
        !           172:   return (temp);
        !           173: }
        !           174: 
        !           175: static void
        !           176: memory_error_and_abort ()
        !           177: {
        !           178:   fprintf (stderr, "readline: Out of virtual memory!\n");
        !           179:   abort ();
        !           180: }
        !           181: #endif /* STATIC_MALLOC */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.