[gforth] / gforth / intcomp.fs  

gforth: gforth/intcomp.fs

Diff for /gforth/intcomp.fs between version 1.5 and 1.11

version 1.5, Mon Oct 27 18:25:16 1997 UTC version 1.11, Tue Dec 2 21:33:18 2003 UTC
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 \ defining words for words with non-default and non-immediate compilation semantics  \ defining words for words with non-default and non-immediate compilation semantics
   
 \ Copyright (C) 1996 Free Software Foundation, Inc.  \ Copyright (C) 1996,1997,2000,2003 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
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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, write to the Free Software
 \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   
 \ used like  \ used like
 \ : <name> create-interpret/compile ...  \ : <name> create-interpret/compile ...
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 noname create  noname create
 does> abort" interpreting word without interpretation semantics" ;  does> abort" interpreting word without interpretation semantics" ;
 lastxt >does-code  latestxt >does-code
 does> abort" compiling word without compilation semantics" ;  does> abort" compiling word without compilation semantics" ;
 lastxt >does-code  latestxt >does-code
 constant no-compilation-does-code  constant no-compilation-does-code
 constant no-interpretation-does-code  constant no-interpretation-does-code
   
 : create-interpret/compile ( "name" -- ) \ gforth  : create-interpret/compile ( "name" -- ) \ gforth
     0 0 interpret/compile:      0 0 interpret/compile:
     here lastxt interpret/compile-comp !      here latestxt interpret/compile-comp !
     no-compilation-does-code here does-code!      no-compilation-does-code here does-code!
     [ 0 >body ] literal allot      [ 0 >body ] literal allot
     here lastxt interpret/compile-int !      here latestxt interpret/compile-int !
     no-interpretation-does-code here does-code!      no-interpretation-does-code here does-code!
     [ 0 >body ] literal allot ; \ restrict?      [ 0 >body ] literal allot ; \ restrict?
   
 : fix-does-code ( addr ret-addr -- )  : fix-does-code ( addr ret-addr -- )
     lastxt [ interpret/compile-struct %size ] literal + >r      latestxt [ interpret/compile-struct %size ] literal + >r
     lastxt interpret/compile?      latestxt interpret/compile?
     lastxt interpret/compile-int @ r@ >body = and      latestxt interpret/compile-int @ r@ >body = and
     lastxt interpret/compile-comp @ r> = and      latestxt interpret/compile-comp @ r> = and
     0= abort" not created with create-interpret/compile"      0= abort" not created with create-interpret/compile"
     cell+ cell+ maxaligned /does-handler + \ to does-code      cell+ cell+ maxaligned /does-handler + \ to does-code
     swap @ does-code! ;      swap @ does-code! ;
   
 : (interpretation>) ( -- )  : (interpretation>1) ( addr R:retaddr -- )
     lastxt interpret/compile-int r@ fix-does-code ;      latestxt interpret/compile-int swap fix-does-code ;
   
 : interpretation> ( compilation. -- orig colon-sys ) \ gforth  : interpretation> ( compilation. -- orig colon-sys ) \ gforth
     POSTPONE (interpretation>) POSTPONE ahead      here 4 cells +  POSTPONE literal POSTPONE (interpretation>1) POSTPONE ahead
     dodoes, defstart dead-code off 0 set-locals-size-list ; immediate restrict      dodoes, defstart dead-code off 0 set-locals-size-list ; immediate restrict
   
 : <interpretation ( compilation. orig colon-sys -- ) \ gforth  : <interpretation ( compilation. orig colon-sys -- ) \ gforth
     ?struc POSTPONE exit      ?struc POSTPONE exit
     POSTPONE then ; immediate restrict      POSTPONE then ; immediate restrict
   
 : (compilation>) ( -- )  : (compilation>1) ( addr R:retaddr -- )
     lastxt interpret/compile-comp r@ fix-does-code ;      latestxt interpret/compile-comp swap fix-does-code ;
   
 : compilation> ( compilation. -- orig colon-sys ) \ gforth  : compilation> ( compilation. -- orig colon-sys ) \ gforth
     POSTPONE (compilation>) POSTPONE ahead      here 4 cells + POSTPONE literal POSTPONE (compilation>1) POSTPONE ahead
     dodoes, defstart dead-code off 0 set-locals-size-list POSTPONE >body ; immediate restrict      dodoes, defstart dead-code off 0 set-locals-size-list POSTPONE >body ; immediate restrict
   
 comp' <interpretation drop  comp' <interpretation drop

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