version 1.9, 1999/03/29 22:52:29
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version 1.12, 1999/11/08 22:01:09
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Line 24 Variable vp
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Line 24 Variable vp
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0 A, 0 A, 0 A, 0 A, 0 A, 0 A, 0 A, 0 A, |
0 A, 0 A, 0 A, 0 A, 0 A, 0 A, 0 A, 0 A, |
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: get-current ( -- wid ) \ search |
: get-current ( -- wid ) \ search |
\G @var{wid} is the identifier of the current compilation word list. |
\G @i{wid} is the identifier of the current compilation word list. |
current @ ; |
current @ ; |
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: set-current ( wid -- ) \ search |
: set-current ( wid -- ) \ search |
\G Set the compilation word list to the word list identified by @var{wid}. |
\G Set the compilation word list to the word list identified by @i{wid}. |
current ! ; |
current ! ; |
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\ : context ( -- addr ) vp dup @ cells + ; |
:noname ( -- addr ) |
: vp! dup vp ! cells vp + to context ; |
vp dup @ cells + ; |
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is context |
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: vp! ( u -- ) |
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vp ! ; |
: definitions ( -- ) \ search |
: definitions ( -- ) \ search |
\G Make the compilation word list the same as the word list |
\G Make the compilation word list the same as the word list |
\G that is currently at the top of the search order stack. |
\G that is currently at the top of the search order stack. |
Line 51 Variable slowvoc 0 slowvoc !
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Line 55 Variable slowvoc 0 slowvoc !
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dup initvoc ; |
dup initvoc ; |
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: wordlist ( -- wid ) \ search |
: wordlist ( -- wid ) \ search |
\G Create a new, empty word list represented by @var{wid}. |
\G Create a new, empty word list represented by @i{wid}. |
slowvoc @ |
slowvoc @ |
IF \ this is now f83search because hashing may be loaded already |
IF \ this is now f83search because hashing may be loaded already |
\ jaw |
\ jaw |
Line 65 Variable slowvoc 0 slowvoc !
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Line 69 Variable slowvoc 0 slowvoc !
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\G onto the top of the search order stack. |
\G onto the top of the search order stack. |
Create wordlist drop DOES> context ! ; |
Create wordlist drop DOES> context ! ; |
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: check-maxvp ( n -- ) |
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maxvp > -49 and throw ; |
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: push-order ( wid -- ) \ gforth |
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\g Push @var{wid} on the search order. |
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vp @ 1+ dup check-maxvp vp! context ! ; |
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: also ( -- ) \ search ext |
: also ( -- ) \ search ext |
\G Perform a @code{DUP} on the search order stack. Usually used prior |
\G Perform a @code{DUP} on the search order stack. Usually used prior |
\G to @code{Forth}, @code{definitions} etc. |
\G to @code{Forth}, @code{definitions} etc. |
context @ vp @ 1+ dup maxvp > abort" Vocstack full" |
context @ push-order ; |
vp! context ! ; |
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: previous ( -- ) \ search ext |
: previous ( -- ) \ search ext |
\G Perform a @code{DROP} on the search order stack, thereby removing the wid at the |
\G Perform a @code{DROP} on the search order stack, thereby removing |
\G top of the (search order) stack from the search order. |
\G the wid at the top of the (search order) stack from the search |
vp @ 1- dup 0= abort" Vocstack empty" vp! ; |
\G order. |
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vp @ 1- dup 0= -50 and throw vp! ; |
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\ vocabulary find 14may93py |
\ vocabulary find 14may93py |
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Line 121 slowvoc off
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Line 132 slowvoc off
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\ Only root 14may93py |
\ Only root 14may93py |
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Vocabulary Forth ( -- ) \ thisone- search-ext |
Vocabulary Forth ( -- ) \ thisone- search-ext |
\G Push the @var{wid} associated with @code{forth-wordlist} onto the |
\G Push the @i{wid} associated with @code{forth-wordlist} onto the |
\G search order stack. |
\G search order stack. |
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Vocabulary Root ( -- ) \ gforth |
Vocabulary Root ( -- ) \ gforth |
Line 150 lookup ! \ our dictionary search order b
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Line 161 lookup ! \ our dictionary search order b
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: get-order ( -- widn .. wid1 n ) \ search |
: get-order ( -- widn .. wid1 n ) \ search |
\G Copy the search order stack to the data stack. The current search |
\G Copy the search order stack to the data stack. The current search |
\G order has @var{n} entries, of which @var{wid1} represents the word |
\G order has @i{n} entries, of which @i{wid1} represents the word |
\G list that is searched first (the word list at the top of the stack) and |
\G list that is searched first (the word list at the top of the stack) and |
\G @var{widn} represents the word order that is searched last. |
\G @i{widn} represents the word order that is searched 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 -- ) \ thisone- search |
: set-order ( widn .. wid1 n -- ) \ thisone- search |
\G If @var{n}=0, empty the search order. |
\G If @var{n}=0, empty the search order. If @var{n}=-1, set the |
\G If @var{n}=-1, set the search order to the implementation-defined minimum search |
\G search order to the implementation-defined minimum search order |
\G order (for Gforth, this is the word list @code{Root}). Otherwise, replace the |
\G (for Gforth, this is the word list @code{Root}). Otherwise, |
\G existing search order with the @var{n} wid entries such that @var{wid1} represents the |
\G replace the existing search order with the @var{n} wid entries |
\G word list that will be searched first and @var{widn} represents the word list that |
\G such that @var{wid1} represents the word list that will be |
\G will be searched last. |
\G searched first and @var{widn} represents the word list that will |
dup -1 = IF drop Only exit THEN dup vp! |
\G be searched last. |
?dup IF 1- FOR vp cell+ I cells + ! NEXT THEN ; |
dup -1 = IF |
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drop only exit |
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THEN |
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dup check-maxvp |
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dup vp! |
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?dup IF 1- FOR vp cell+ I cells + ! NEXT THEN ; |
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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 204 Root definitions
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Line 220 Root definitions
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\G of the search order. |
\G of the search order. |
' Forth Alias Forth |
' Forth Alias Forth |
' forth-wordlist alias forth-wordlist ( -- wid ) \ search |
' forth-wordlist alias forth-wordlist ( -- wid ) \ search |
\G CONSTANT: @var{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 word list stack. |
\G list and is at the top of the word list stack. |
' set-order alias set-order |
' set-order alias set-order |