version 1.7, 1995/09/06 21:00:17
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version 1.9, 1996/01/07 17:22:11
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\ History file support 16oct94py |
\ History file support 16oct94py |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ 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 |
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\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
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\ along with this program; if not, write to the Free Software |
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\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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0 Value history |
0 Value history |
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2Variable forward^ |
2Variable forward^ |
Line 79 Create lfpad #lf c,
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Line 97 Create lfpad #lf c,
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Create prefix-found 0 , 0 , |
Create prefix-found 0 , 0 , |
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: word-lex ( nfa1 nfa2 -- -1/0/1 ) |
: word-lex ( nfa1 nfa2 -- -1/0/1 ) |
dup 0= IF 2drop 1 EXIT THEN |
dup 0= |
cell+ >r cell+ count $1F and |
IF |
dup r@ c@ $1F and = |
2drop 1 EXIT |
IF r> char+ capscomp 0<= EXIT THEN |
THEN |
nip r> c@ $1F and < ; |
name>string 2>r name>string |
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dup r@ = |
: search-voc ( addr len nfa1 nfa2 -- addr len nfa3 ) >r |
IF |
BEGIN dup WHILE >r dup r@ cell+ c@ $1F and <= |
rdrop r> capscomp 0<= EXIT |
IF 2dup r@ cell+ char+ capscomp 0= |
THEN |
IF r> dup r@ word-lex |
r> < |
IF dup prefix-found @ word-lex |
nip rdrop ; |
0>= IF rdrop dup >r THEN |
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THEN >r |
: search-voc ( addr len nfa1 nfa2 -- addr len nfa3 ) |
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>r |
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BEGIN |
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dup |
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WHILE |
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>r dup r@ name>string nip <= |
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IF |
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2dup r@ name>string drop capscomp 0= |
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IF |
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r> dup r@ word-lex |
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IF |
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dup prefix-found @ word-lex |
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0>= |
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IF |
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rdrop dup >r |
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THEN |
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THEN |
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>r |
THEN |
THEN |
THEN r> @ |
THEN |
REPEAT drop r> ; |
r> @ |
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REPEAT |
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drop r> ; |
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: prefix-string ( addr len nfa -- addr' len' ) |
: prefix-string ( addr len nfa -- addr' len' ) |
dup prefix-found ! ?dup |
dup prefix-found ! ?dup |
IF cell+ count $1F and rot /string rot drop |
IF |
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name>string rot /string rot drop |
dup 1+ prefix-found cell+ ! |
dup 1+ prefix-found cell+ ! |
ELSE |
ELSE |
2drop s" " prefix-found cell+ off |
2drop s" " prefix-found cell+ off |