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view src/m/apollo.h @ 4407:4ee73bbe4f8e
Always use boyer_moore in ASCII or Latin-1 buffers with ASCII search strings.
2007-12-26 Aidan Kehoe <kehoea@parhasard.net>
* casetab.c:
Extend and correct some case table documentation.
* search.c (search_buffer):
Correct a bug where only the first entry for a character in the
case equivalence table was examined in determining if the
Boyer-Moore search algorithm is appropriate.
If there are case mappings outside of the charset and row of the
characters specified in the search string, those case mappings can
be safely ignored (and Boyer-Moore search can be used) if we know
from the buffer statistics that the corresponding characters cannot
occur.
* search.c (boyer_moore):
Assert that we haven't been passed a string with varying
characters sets or rows within character sets. That's what
simple_search is for.
In the very rare event that a character in the search string has a
canonical case mapping that is not in the same character set and
row, don't try to search for the canonical character, search for
some other character that is in the the desired character set and
row. Assert that the case table isn't corrupt.
Do not search for any character case mappings that cannot possibly
occur in the buffer, given the buffer metadata about its
contents.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Wed, 26 Dec 2007 17:30:16 +0100 |
| parents | ecf1ebac70d8 |
| children |
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/* machine description file for Apollo machine. Copyright (C) 1985, 1986, 1994, Free Software Foundation, Inc. This file is part of GNU Emacs. GNU Emacs is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with XEmacs; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Synched up with: FSF 19.31. */ /* The following line tells the configuration script what sort of operating system this machine is likely to run. USUAL-OPSYS="bsd4-3" */ /* Say this machine is a 68000 */ /* #define m68000 */ /* Done by the C compiler */ #define APOLLO /* Assume we use s-bsd4-3.h for system version 10. */ #ifdef BSD4_3 #define APOLLO_SR10 #endif /* Do not define LOAD_AVE_TYPE or LOAD_AVE_CVT since there is no /dev/kmem */ /* Prevent -lg from being used for debugging. Not needed. */ #define LIBS_DEBUG /* Can't use the system's termcap. It has compressed data sections that interfere with dumping. That means we won't automatically get a vt100 when we start up emacs in a dm pad (a dubious feature at best anyway). */ #undef LIBS_TERMCAP /* Must use the system's malloc and alloca. */ #define SYSTEM_MALLOC /* Define the file we use for UNEXEC. */ #define UNEXEC "unexapollo.o" /* The Apollo linker does not recognize the -X switch, so we remove it here. */ #define LD_SWITCH_SYSTEM /* Define C_SWITCH_MACHINE to compile for 68020/68030 or PRISM. Define LD_SWITCH_MACHINE to save space by stripping symbols and use X11 libraries. */ #if _ISP__A88K #define C_SWITCH_MACHINE "-W0,-ncompress -W0,-opt,2 -A cpu,a88k -A sys,any -A run,bsd4.3" #define LD_SWITCH_MACHINE "-A cpu,a88k -A sys,any -A run,bsd4.3" #else #define C_SWITCH_MACHINE "-W0,-ncompress -W0,-opt,2 -A cpu,3000 -A sys,any -A run,bsd4.3" #define LD_SWITCH_MACHINE "-A cpu,m68k -A sys,any -A run,bsd4.3" #endif #define OLDXMENU_OPTIONS "${C_SWITCH_MACHINE}" #if 0 /* from FSF Emacs */ /* In SR10.4, unistd.h has bad prototype for getpgrp, so we don't include it. */ #undef HAVE_UNISTD_H #endif /* 0 */