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Use parse_integer() in read_atom(); support bases with ratios like integers src/ChangeLog addition: 2015-05-08 Aidan Kehoe <kehoea@parhasard.net> * data.c (init_errors_once_early): Move the Qunsupported_type here from numbers.c, so it's available when the majority of our types are not supported. * general-slots.h: Add it here, too. * number.c: Remove the definition of Qunsupported_type from here. * lread.c (read_atom): Check if the first character could reflect a rational, if so, call parse_integer(), don't check the syntax of the other characters. This allows us to accept the non-ASCII digit characters too. If that worked partially, but not completely, and the next char is a slash, try to parse as a ratio. If that fails, try isfloat_string(), but only if the first character could plausibly be part of a float. Otherwise, treat as a symbol. * lread.c (read_rational): Rename from read_integer. Handle ratios with the same radix specification as was used for integers. * lread.c (read1): Rename read_integer in this function. Support the Common Lisp #NNNrMMM syntax for parsing a number MMM of arbitrary radix NNN. man/ChangeLog addition: 2015-05-08 Aidan Kehoe <kehoea@parhasard.net> * lispref/numbers.texi (Numbers): Describe the newly-supported arbitrary-base syntax for rationals (integers and ratios). Describe that ratios can take the same base specification as integers, something also new. tests/ChangeLog addition: 2015-05-08 Aidan Kehoe <kehoea@parhasard.net> * automated/lisp-reader-tests.el: Check the arbitrary-base integer reader syntax support, just added. Check the reader base support for ratios, just added. Check the non-ASCII-digit support in the reader, just added.
author Aidan Kehoe <kehoea@parhasard.net>
date Sat, 09 May 2015 00:40:57 +0100
parents 861f2601a38b
children
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1 /* This file is the configuration file for the GNU/Linux operating system,
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2 prior to version 1.1.56.
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3 Copyright (C) 1985, 1986, 1992, 1994 Free Software Foundation, Inc.
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4 Copyright (C) 2010 Ben Wing.
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation; either version 2, or (at your option)
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11 any later version.
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12
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13 XEmacs is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: FSF 19.31 (called, ahem ... lignux.h in FSF). */
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24
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25 /* This file was put together by Michael K. Johnson and Rik Faith. */
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26
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27 #define USG
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28 #define LINUX
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29
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30 /* SYSTEM_TYPE should indicate the kind of system you are using.
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31 It sets the Lisp variable system-type. */
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32
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33 #define SYSTEM_TYPE "linux" /* All the best software is free. */
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37 /* Deleted GNU_LIBRARY_PENDING_OUTPUT_COUNT -- unused in XEmacs */
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38
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39 /* This is needed for sysdep.c */
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40
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41 #define HAVE_SYS_SIGLIST
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42
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43 /* #define POSIX -- not used in XEmacs */
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44
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45 /* Deleted TERM stuff -- probably hugely obsolete */
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46
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47 #define UNEXEC "unexelf.o"
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48 #define UNEXEC_USE_MAP_PRIVATE
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49
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50 /* mrb - Ordinary link is simple and effective */
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51 /* slb - Not any more ... :-( */
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52 /* jwj - slb's comment does not seem relevant to current Linuxes */
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53 #define ORDINARY_LINK
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54
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55 #define A_TEXT_OFFSET(hdr) (N_MAGIC(hdr) == QMAGIC ? sizeof (struct exec) : 0)
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56 #define A_TEXT_SEEK(hdr) (N_TXTOFF(hdr) + A_TEXT_OFFSET(hdr))
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57 #define ADJUST_EXEC_HEADER \
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58 unexec_text_start = N_TXTADDR(ohdr) + A_TEXT_OFFSET(ohdr)
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59
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60 /* HAVE_XRMSETDATABASE deleted */
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61
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62 /* The regex.o routines are a part of the GNU C-library used with Linux. */
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63 /* However, sometimes they disagree with the src/regex.h that comes with Emacs,
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64 and that can make trouble in etags.c because it gets the regex.h from Emacs
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65 and the function definitions in libc. So turn this off. */
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66 /* XEmacs: in any case, Mule uses different regex routines. */
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67 /* #define REGEXP_IN_LIBC */
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68
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69 /* XEmacs change: the standard linux libc includes regex routines in
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70 it. We have to use our own and have to avoid name conflicts. */
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71
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72 #if 0 /* Probably not necessary any more */
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73 #define re_compile_pattern sys_re_compile_pattern
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74 #define re_search sys_re_search
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75 #define re_search_2 sys_re_search_2
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76 #define re_match_2 sys_re_match_2
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77 #define re_max_failures sys_re_max_failures
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78 #define re_set_syntax sys_re_set_syntax
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79 #define re_set_registers sys_re_set_registers
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80 #define re_compile_fastmap sys_re_compile_fastmap
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81 #define re_match sys_re_match
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82 #define regcomp sys_regcomp
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83 #define regexec sys_regexec
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84 #define regerror sys_regerror
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85 #define regfree sys_regfree
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86 #endif /* 0 */
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87
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88 /* The in-built malloc does not work on PPC64 or Alpha, so use the system
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89 malloc for now. */
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90 #if defined(__powerpc64__) || defined(__alpha__) || defined(__ia64__)
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91 #define SYSTEM_MALLOC
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92 #endif