version 1.17, 1998/12/08 22:02:53
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version 1.28, 2007/12/31 19:02:24
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\ WORDINFO.FS V1.0 17may93jaw |
\ WORDINFO.FS V1.0 17may93jaw |
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\ Copyright (C) 1995,1996,1998 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1998,2000,2003,2007 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
\ Gforth is free software; you can redistribute it and/or |
\ modify it under the terms of the GNU General Public License |
\ modify it under the terms of the GNU General Public License |
\ as published by the Free Software Foundation; either version 2 |
\ as published by the Free Software Foundation, either version 3 |
\ of the License, or (at your option) any later version. |
\ 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, |
\ This program is distributed in the hope that it will be useful, |
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\ GNU General Public License for more details. |
\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
\ along with this program; if not, write to the Free Software |
\ along with this program. If not, see http://www.gnu.org/licenses/. |
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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\ May be cross-compiled |
\ May be cross-compiled |
\ If you want check values then exclude comments, |
\ If you want check values then exclude comments, |
\ but keep in mind that this can't be cross-compiled |
\ but keep in mind that this can't be cross-compiled |
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\ INCLUDE look.fs |
require look.fs |
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\ Wordinfo is a tool that checks a nfa |
\ Wordinfo is a tool that checks a nfa |
\ and finds out what wordtype we have |
\ and finds out what wordtype we have |
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\ the old alias? did not work and it is not used, so I changed |
\ the old alias? did not work and it is not used, so I changed |
\ it in many respects - anton |
\ it in many respects - anton |
: alias? ( nfa1 -- nfa2|0 ) |
: alias? ( nfa1 -- nfa2|0 ) |
\ if nfa1 is an alias, nfa2 is the name of the original word |
\ if nfa1 is an alias, nfa2 is the name of the original word. |
dup cell+ c@ alias-mask and 0= |
\ if the original word has no name, return 0. |
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dup cell+ @ alias-mask and 0= |
IF ( nfa1 ) |
IF ( nfa1 ) |
((name>)) @ >name ( use look instead? ) |
((name>)) @ >name |
ELSE |
ELSE |
drop 0 |
drop 0 |
THEN ; |
THEN ; |
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[IFDEF] forthstart |
[IFDEF] forthstart |
: xtprim? ( xt -- flag ) |
: xtprim? ( xt -- flag ) |
dictionary-end forthstart within ; \ !! does not work for CODE words |
in-dictionary? 0= ; \ !! does not work for CODE words |
[ELSE] |
[ELSE] |
: xtprim? ( xt -- flag ) |
: xtprim? ( xt -- flag ) |
dup >body swap >code-address = ; \ !! works only for indirect threaded code |
dup >body swap >code-address = ; \ !! works only for indirect threaded code |