Annotation of gforth/kernel/special.fs, revision 1.3

1.1       anton       1: \ words with non-default and non-immediate compilation semantics
                      2: 
                      3: \ Copyright (C) 1996 Free Software Foundation, Inc.
                      4: 
                      5: \ This file is part of Gforth.
                      6: 
                      7: \ Gforth is free software; you can redistribute it and/or
                      8: \ modify it under the terms of the GNU General Public License
                      9: \ as published by the Free Software Foundation; either version 2
                     10: \ of the License, or (at your option) any later version.
                     11: 
                     12: \ This program is distributed in the hope that it will be useful,
                     13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     15: \ GNU General Public License for more details.
                     16: 
                     17: \ You should have received a copy of the GNU General Public License
                     18: \ along with this program; if not, write to the Free Software
                     19: \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
                     20: 
                     21: \ this file comes last, because these words override cross' words.
                     22: 
                     23: create s"-buffer /line chars allot
                     24: :noname    [char] " parse
                     25:     /line min >r s"-buffer r@ cmove
                     26:     s"-buffer r> ;
                     27: :noname    [char] " parse postpone SLiteral ;
                     28: interpret/compile: S" ( compilation 'ccc"' -- ; run-time -- c-addr u ) \ core,file     s-quote
                     29: 
1.2       anton      30: : [IS] ( compilation "name" -- ; run-time xt -- ) \ possibly-gforth bracket-is
                     31:     ' >body postpone ALiteral postpone ! ; immediate restrict
                     32: 
1.1       anton      33: :noname    ' >body ! ;
1.2       anton      34: ' [IS]
1.1       anton      35: interpret/compile: IS ( addr "name" -- ) \ gforth
                     36: 
                     37: :noname    ' >body @ ;
                     38: :noname    ' >body postpone ALiteral postpone @ ;
                     39: interpret/compile: What's ( "name" -- addr ) \ gforth
                     40: 
                     41: :noname    [char] " parse type ;
                     42: :noname    postpone (.") ,"  align ;
                     43: interpret/compile: ." ( compilation 'ccc"' -- ; run-time -- )  \ core  dot-quote
                     44: 
                     45: \ DOES>                                                17mar93py
                     46: 
                     47: :noname
                     48:     dodoes, here !does ]
                     49:     defstart :-hook ;
                     50: :noname
                     51:     ;-hook postpone (does>) ?struc dodoes,
                     52:     defstart :-hook ;
                     53: interpret/compile: DOES>  ( compilation colon-sys1 -- colon-sys2 ; run-time nest-sys -- ) \ core       does
                     54:     
                     55: ' IS Alias TO ( addr "name" -- ) \ core-ext
                     56: immediate
                     57: 
                     58: 
1.3     ! jwilke     59: doer? :docon [IF]
        !            60: : docon: ( -- addr )   \ gforth
        !            61:     \G the code address of a @code{CONSTANT}
        !            62:     ['] bl >code-address ;
        !            63: [THEN]
        !            64: 
        !            65: : docol: ( -- addr )   \ gforth
        !            66:     \G the code address of a colon definition
        !            67:     ['] on >code-address ;
        !            68: \ !! mark on
        !            69: 
        !            70: doer? :dovar [IF]
        !            71: : dovar: ( -- addr )   \ gforth
        !            72:     \G the code address of a @code{CREATE}d word
        !            73:     \ in rom-applications variable might be implemented with constant
        !            74:     \ use really a created word!
        !            75:     ['] ??? >code-address ;
        !            76: [THEN]
        !            77: 
        !            78: doer? :douser [IF]
        !            79: : douser: ( -- addr )  \ gforth
        !            80:     \G the code address of a @code{USER} variable
        !            81:     ['] sp0 >code-address ;
        !            82: [THEN]
        !            83: 
        !            84: doer? :dodefer [IF]
        !            85: : dodefer: ( -- addr ) \ gforth
        !            86:     \G the code address of a @code{defer}ed word
        !            87:     ['] source >code-address ;
        !            88: [THEN]
        !            89: 
        !            90: doer? :dofield [IF]
        !            91: : dofield: ( -- addr ) \ gforth
        !            92:     \G the code address of a @code{field}
        !            93:     ['] reveal-method >code-address ;
        !            94: [THEN]
        !            95: 
        !            96: has-prims 0= [IF]
        !            97: : dodoes: ( -- addr )  \ gforth
        !            98:     \G the code address of a @code{field}
        !            99:     ['] spaces >code-address ;
        !           100: [THEN]
        !           101: 
        !           102: : interpret/compile? ( xt -- flag )
        !           103:     >does-code ['] S" >does-code = ;
        !           104: 

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