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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [readline/] [chardefs.h] - Blame information for rev 438

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1 24 jeremybenn
/* chardefs.h -- Character definitions for readline. */
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/* Copyright (C) 1994 Free Software Foundation, Inc.
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   This file is part of the GNU Readline Library, a library for
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   reading lines of text with interactive input and history editing.
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   The GNU Readline Library is free software; you can redistribute it
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   and/or modify it under the terms of the GNU General Public License
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   as published by the Free Software Foundation; either version 2, or
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   (at your option) any later version.
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   The GNU Readline Library is distributed in the hope that it will be
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   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   The GNU General Public License is often shipped with GNU software, and
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   is generally kept in a file called COPYING or LICENSE.  If you do not
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   have a copy of the license, write to the Free Software Foundation,
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   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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#ifndef _CHARDEFS_H_
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#define _CHARDEFS_H_
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#include <ctype.h>
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#if defined (HAVE_CONFIG_H)
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#  if defined (HAVE_STRING_H)
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#    if ! defined (STDC_HEADERS) && defined (HAVE_MEMORY_H)
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#      include <memory.h>
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#    endif
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#    include <string.h>
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#  endif /* HAVE_STRING_H */
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#  if defined (HAVE_STRINGS_H)
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#    include <strings.h>
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#  endif /* HAVE_STRINGS_H */
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#else
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#  include <string.h>
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#endif /* !HAVE_CONFIG_H */
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#ifndef whitespace
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#define whitespace(c) (((c) == ' ') || ((c) == '\t'))
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#endif
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#ifdef CTRL
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#  undef CTRL
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#endif
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#ifdef UNCTRL
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#  undef UNCTRL
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#endif
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/* Some character stuff. */
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#define control_character_threshold 0x020   /* Smaller than this is control. */
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#define control_character_mask 0x1f         /* 0x20 - 1 */
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#define meta_character_threshold 0x07f      /* Larger than this is Meta. */
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#define control_character_bit 0x40          /* 0x000000, must be off. */
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#define meta_character_bit 0x080            /* x0000000, must be on. */
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#define largest_char 255                    /* Largest character value. */
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#define CTRL_CHAR(c) ((c) < control_character_threshold && (((c) & 0x80) == 0))
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#define META_CHAR(c) ((c) > meta_character_threshold && (c) <= largest_char)
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#define CTRL(c) ((c) & control_character_mask)
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#define META(c) ((c) | meta_character_bit)
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#define UNMETA(c) ((c) & (~meta_character_bit))
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#define UNCTRL(c) _rl_to_upper(((c)|control_character_bit))
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#if defined STDC_HEADERS || (!defined (isascii) && !defined (HAVE_ISASCII))
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#  define IN_CTYPE_DOMAIN(c) 1
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#else
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#  define IN_CTYPE_DOMAIN(c) isascii(c)
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#endif
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#if !defined (isxdigit) && !defined (HAVE_ISXDIGIT)
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#  define isxdigit(c)   (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
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#endif
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#if defined (CTYPE_NON_ASCII)
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#  define NON_NEGATIVE(c) 1
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#else
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#  define NON_NEGATIVE(c) ((unsigned char)(c) == (c))
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#endif
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/* Some systems define these; we want our definitions. */
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#undef ISPRINT
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/* Beware:  these only work with single-byte ASCII characters. */
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#define ISALNUM(c)      (IN_CTYPE_DOMAIN (c) && isalnum (c))
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#define ISALPHA(c)      (IN_CTYPE_DOMAIN (c) && isalpha (c))
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#define ISDIGIT(c)      (IN_CTYPE_DOMAIN (c) && isdigit (c))
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#define ISLOWER(c)      (IN_CTYPE_DOMAIN (c) && islower (c))
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#define ISPRINT(c)      (IN_CTYPE_DOMAIN (c) && isprint (c))
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#define ISUPPER(c)      (IN_CTYPE_DOMAIN (c) && isupper (c))
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#define ISXDIGIT(c)     (IN_CTYPE_DOMAIN (c) && isxdigit (c))
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#define _rl_lowercase_p(c)      (NON_NEGATIVE(c) && ISLOWER(c))
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#define _rl_uppercase_p(c)      (NON_NEGATIVE(c) && ISUPPER(c))
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#define _rl_digit_p(c)          ((c) >= '0' && (c) <= '9')
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#define _rl_pure_alphabetic(c)  (NON_NEGATIVE(c) && ISALPHA(c))
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#define ALPHABETIC(c)           (NON_NEGATIVE(c) && ISALNUM(c))
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#ifndef _rl_to_upper
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#  define _rl_to_upper(c) (_rl_lowercase_p(c) ? toupper((unsigned char)c) : (c))
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#  define _rl_to_lower(c) (_rl_uppercase_p(c) ? tolower((unsigned char)c) : (c))
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#endif
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#ifndef _rl_digit_value
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#  define _rl_digit_value(x) ((x) - '0')
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#endif
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#ifndef _rl_isident
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#  define _rl_isident(c) (ISALNUM(c) || (c) == '_')
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#endif
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#ifndef ISOCTAL
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#  define ISOCTAL(c)    ((c) >= '0' && (c) <= '7')
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#endif
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#define OCTVALUE(c)     ((c) - '0')
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#define HEXVALUE(c) \
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  (((c) >= 'a' && (c) <= 'f') \
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        ? (c)-'a'+10 \
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        : (c) >= 'A' && (c) <= 'F' ? (c)-'A'+10 : (c)-'0')
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#ifndef NEWLINE
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#define NEWLINE '\n'
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#endif
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#ifndef RETURN
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#define RETURN CTRL('M')
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#endif
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#ifndef RUBOUT
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#define RUBOUT 0x7f
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#endif
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#ifndef TAB
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#define TAB '\t'
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#endif
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#ifdef ABORT_CHAR
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#undef ABORT_CHAR
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#endif
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#define ABORT_CHAR CTRL('G')
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#ifdef PAGE
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#undef PAGE
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#endif
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#define PAGE CTRL('L')
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#ifdef SPACE
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#undef SPACE
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#endif
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#define SPACE ' '       /* XXX - was 0x20 */
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#ifdef ESC
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#undef ESC
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#endif
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#define ESC CTRL('[')
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#endif  /* _CHARDEFS_H_ */

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