version 1.25, 2003/03/09 15:16:52
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version 1.30, 2007/10/22 20:11:43
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\ search order wordset 14may93py |
\ search order wordset 14may93py |
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\ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2005 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 23 require struct.fs
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Line 23 require struct.fs
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$10 Value maxvp \ current size of search order stack |
$10 Value maxvp \ current size of search order stack |
$400 Value maxvp-limit \ upper limit for resizing search order stack |
$400 Value maxvp-limit \ upper limit for resizing search order stack |
0 AValue vp \ will be initialized later (dynamic) |
0 AValue vp \ will be initialized later (dynamic) |
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\ the first cell at vp contains the search order depth, the others |
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\ contain the wordlists, starting with the last-searched one. |
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: get-current ( -- wid ) \ search |
: get-current ( -- wid ) \ search |
\G @i{wid} is the identifier of the current compilation word list. |
\G @i{wid} is the identifier of the current compilation word list. |
Line 51 Variable slowvoc 0 slowvoc !
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Line 53 Variable slowvoc 0 slowvoc !
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: mappedwordlist ( map-struct -- wid ) \ gforth |
: mappedwordlist ( map-struct -- wid ) \ gforth |
\G Create a wordlist with a special map-structure. |
\G Create a wordlist with a special map-structure. |
here swap A, 0 A, voclink @ A, 0 A, |
align here swap A, 0 A, voclink @ A, 0 A, |
dup wordlist-link voclink ! |
dup wordlist-link voclink ! |
dup initvoc ; |
dup initvoc ; |
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Line 96 Variable slowvoc 0 slowvoc !
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Line 98 Variable slowvoc 0 slowvoc !
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: (vocfind) ( addr count wid -- nfa|false ) |
: (vocfind) ( addr count wid -- nfa|false ) |
\ !! generalize this to be independent of vp |
\ !! generalize this to be independent of vp |
drop vp dup @ 1- cells over + |
drop 0 vp @ -DO ( addr count ) \ note that the loop does not reach 0 |
DO 2dup I 2@ over <> |
2dup vp i cells + @ (search-wordlist) dup if ( addr count nt ) |
IF (search-wordlist) dup |
nip nip unloop exit then |
IF nip nip UNLOOP EXIT |
drop 1 -loop |
THEN drop |
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ELSE drop 2drop THEN |
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[ -1 cells ] Literal +LOOP |
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2drop false ; |
2drop false ; |
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0 value locals-wordlist |
0 value locals-wordlist |
Line 136 slowvoc off
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Line 135 slowvoc off
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\ Only root 14may93py |
\ Only root 14may93py |
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Vocabulary Forth ( -- ) \ gforthman- search-ext |
Vocabulary Forth ( -- ) \ search-ext |
\G Replace the @i{wid} at the top of the search order with the |
\G Replace the @i{wid} at the top of the search order with the |
\G @i{wid} associated with the word list @code{forth-wordlist}. |
\G @i{wid} associated with the word list @code{forth-wordlist}. |
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Line 190 lookup ! \ our dictionary search order b
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Line 189 lookup ! \ our dictionary search order b
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\G last. |
\G last. |
vp @ 0 ?DO vp cell+ I cells + @ LOOP vp @ ; |
vp @ 0 ?DO vp cell+ I cells + @ LOOP vp @ ; |
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: set-order ( widn .. wid1 n -- ) \ gforthman- search |
: set-order ( widn .. wid1 n -- ) \ search |
\G If @var{n}=0, empty the search order. If @var{n}=-1, set the |
\G If @var{n}=0, empty the search order. If @var{n}=-1, set the |
\G search order to the implementation-defined minimum search order |
\G search order to the implementation-defined minimum search order |
\G (for Gforth, this is the word list @code{Root}). Otherwise, |
\G (for Gforth, this is the word list @code{Root}). Otherwise, |
Line 203 lookup ! \ our dictionary search order b
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Line 202 lookup ! \ our dictionary search order b
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THEN |
THEN |
dup check-maxvp |
dup check-maxvp |
dup vp! |
dup vp! |
?dup IF 1- FOR vp cell+ I cells + ! NEXT THEN ; |
0 swap -DO ( wid1 ... widi ) |
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vp i cells + ! \ note that the loop does not reach 0 |
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1 -loop ; |
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: seal ( -- ) \ gforth |
: seal ( -- ) \ gforth |
\G Remove all word lists from the search order stack other than the word |
\G Remove all word lists from the search order stack other than the word |
Line 211 lookup ! \ our dictionary search order b
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Line 212 lookup ! \ our dictionary search order b
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context @ 1 set-order ; |
context @ 1 set-order ; |
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[IFUNDEF] .name |
[IFUNDEF] .name |
: id. ( nt -- ) \ gforth |
: id. ( nt -- ) \ gforth i-d-dot |
\G Print the name of the word represented by @var{nt}. |
\G Print the name of the word represented by @var{nt}. |
\ this name comes from fig-Forth |
\ this name comes from fig-Forth |
name>string type space ; |
name>string type space ; |
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' id. alias .id ( nt -- ) |
' id. alias .id ( nt -- ) \ F83 dot-i-d |
\G F83 name for @code{id.}. |
\G F83 name for @code{id.}. |
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' id. alias .name ( nt -- ) |
' id. alias .name ( nt -- ) \ gforth-obsolete dot-name |
\G Gforth <=0.5.0 name for @code{id.}. |
\G Gforth <=0.5.0 name for @code{id.}. |
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[THEN] |
[THEN] |
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: .voc ( wid -- ) \ gforth |
: .voc ( wid -- ) \ gforth dot-voc |
\G print the name of the wordlist represented by @var{wid}. Can |
\G print the name of the wordlist represented by @var{wid}. Can |
\G only print names defined with @code{vocabulary} or |
\G only print names defined with @code{vocabulary} or |
\G @code{wordlist constant}, otherwise prints @samp{???}. |
\G @code{wordlist constant}, otherwise prints @samp{???}. |
Line 235 lookup ! \ our dictionary search order b
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Line 236 lookup ! \ our dictionary search order b
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endif |
endif |
drop r> body> >head-noprim id. ; |
drop r> body> >head-noprim id. ; |
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: order ( -- ) \ gforthman- search-ext |
: order ( -- ) \ search-ext |
\G Print the search order and the compilation word list. The |
\G Print the search order and the compilation word list. The |
\G word lists are printed in the order in which they are searched |
\G word lists are printed in the order in which they are searched |
\G (which is reversed with respect to the conventional way of |
\G (which is reversed with respect to the conventional way of |
Line 264 Root definitions
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Line 265 Root definitions
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' words Alias words ( -- ) \ tools |
' words Alias words ( -- ) \ tools |
\G Display a list of all of the definitions in the word list at the top |
\G Display a list of all of the definitions in the word list at the top |
\G of the search order. |
\G of the search order. |
' Forth Alias Forth |
' Forth Alias Forth \ alias- search-ext |
' forth-wordlist alias forth-wordlist ( -- wid ) \ search |
' forth-wordlist alias forth-wordlist ( -- wid ) \ search |
\G @code{Constant} -- @i{wid} identifies the word list that includes all of the standard words |
\G @code{Constant} -- @i{wid} identifies the word list that includes all of the standard words |
\G provided by Gforth. When Gforth is invoked, this word list is the compilation word |
\G provided by Gforth. When Gforth is invoked, this word list is the compilation word |
\G list and is at the top of the search order. |
\G list and is at the top of the search order. |
' set-order alias set-order |
' set-order alias set-order ( wid1 ... widu u -- ) \ alias- search |
' order alias order |
' order alias order ( -- ) \ alias- search-ext |
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Forth definitions |
Forth definitions |
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