--- gforth/wordinfo.fs 1994/05/18 17:30:03 1.2 +++ gforth/wordinfo.fs 1995/11/07 18:07:05 1.8 @@ -1,5 +1,23 @@ \ WORDINFO.FS V1.0 17may93jaw +\ Copyright (C) 1995 Free Software Foundation, Inc. + +\ This file is part of Gforth. + +\ Gforth is free software; you can redistribute it and/or +\ modify it under the terms of the GNU General Public License +\ as published by the Free Software Foundation; either version 2 +\ of the License, or (at your option) any later version. + +\ This program is distributed in the hope that it will be useful, +\ but WITHOUT ANY WARRANTY; without even the implied warranty of +\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +\ GNU General Public License for more details. + +\ You should have received a copy of the GNU General Public License +\ along with this program; if not, write to the Free Software +\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + \ May be cross-compiled \ If you want check values then exclude comments, \ but keep in mind that this can't be cross-compiled @@ -13,34 +31,34 @@ INCLUDE look.fs : alias? ( nfa -- flag ) dup name> look 0= ABORT" WINFO: CFA not found" - cell+ +\ cell+ 2dup <> IF nip dup 1 cells - here ! count $1f and here cell+ place true ELSE 2drop false THEN ; : var? ( nfa -- flag ) - (name>) - >code-address ['] leavings >code-address = ; + cell+ (name>) >code-address dovar: = ; : con? ( nfa -- flag ) - (name>) - >code-address ['] bl >code-address = ; + cell+ (name>) >code-address docon: = ; + +: user? ( nfa -- flag ) + cell+ (name>) >code-address douser: = ; : does? ( nfa -- flag ) - dup (name>) - >code-address ['] source >code-address = - dup IF swap (name>) cell+ @ here ! ELSE nip THEN ; + \ !! does not work on all installations + cell+ (name>) + >code-address ['] bits >code-address = ; : defered? ( nfa -- flag ) - dup does? - IF here @ ['] source cell+ @ = - dup IF swap (name>) >body @ here ! ELSE nip THEN - ELSE drop false THEN ; + cell+ (name>) >code-address dodefer: = ; : colon? ( nfa -- flag ) - (name>) - >code-address ['] does? >code-address = ; + cell+ (name>) >code-address docol: = ; + +\ the above words could be factored with create-does>, but this would +\ probably make this file incompatible with cross. \ VALUE VCheck @@ -66,24 +84,26 @@ INCLUDE look.fs 5 CONSTANT Doe# \ Does part 6 CONSTANT Def# \ Defer 7 CONSTANT Col# \ Colon def +8 CONSTANT Use# \ User variable \ Nobody knows: -8 CONSTANT Ali# \ Alias +9 CONSTANT Ali# \ Alias -9 CONSTANT Str# \ Structure words +10 CONSTANT Str# \ Structure words -10 CONSTANT Com# \ Compiler directives : ; POSTPONE +11 CONSTANT Com# \ Compiler directives : ; POSTPONE CREATE InfoTable - ' Alias? A, Ali# , - ' Con? A, Con# , - ' Var? A, Var# , -\ ' Value? A, Val# , + ' Prim? A, Pri# , + ' Alias? A, Ali# , + ' Con? A, Con# , + ' Var? A, Var# , +\ ' Value? A, Val# , ' Defered? A, Def# , - ' Does? A, Doe# , - ' Colon? A, Col# , - ' Prim? A, Pri# , + ' Does? A, Doe# , + ' Colon? A, Col# , + ' User? A, Use# , 0 , : WordInfo ( nfa --- code )