Mercurial > hg > xemacs-beta
view src/s/aix3-2.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 | 84b14dcb0985 |
| children |
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/* Synched up with: FSF 19.31. */ /* s- file for building Emacs on AIX 3.2. */ #include "aix3-1.h" #define AIX3_2 /* No need to define this--the header files indicate X11R4, and that's supposedly what 3.2 will come with. */ #undef SPECIFY_X11R4 #ifndef __GNUC__ /* Some programs in src produce warnings saying certain subprograms are to comples and need a MAXMEM value greater than 2000 for additional optimization. --nils@exp-math.uni-essen.de */ /* XEmacs change: maxmem=-1 means unlimited. Suggested by dkeller@VNET.IBM.COM */ #if 0 /* mrb */ #define C_SWITCH_SYSTEM "-ma -qmaxmem=-1" #endif /* mrb */ #else /* Otherwise, XEmacs is just too big ... */ #define C_SWITCH_SYSTEM "-mminimal-toc" #endif #define HAVE_ALLOCA /* Adrian Colley <Adrian.Colley@three.serpentine.com> says this is needed. */ #ifndef NOT_C_CODE #ifndef AIX4 #pragma alloca #endif #endif /* With this defined, a gcc-compiled Emacs crashed in realloc under AIX 3.2, and a cc-compiled Emacs works with this undefined. --karl@cs.umb.edu. */ #undef SYSTEM_MALLOC /* For AIX, it turns out compiling emacs under AIX 3.2.4 REQUIRES "cc -g" because "cc -O" crashes. Under AIX 3.2.5, "cc -O" is required because "cc -g" crashes. Go figure. --floppy@merlin.mit.edu */ /* XEmacs change: no evidence of this in XEmacs */ #if 0 #ifndef __GNUC__ #define C_SWITCH_DEBUG "-g" #define C_SWITCH_OPTIMIZE #endif #endif /* The character-composition stuff is broken in X11R5. Even with XIMStatusNothing aliased to XIMStatusNone, tranle@intellicorp.com (Minh Tran-Le) reports that enabling the internationalization code causes the modifier keys C, M and Shift to beep after a mouse click. */ #define X11R5_INHIBIT_I18N