| \ 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) 1996,1997,2000,2003,2007 Free Software Foundation, Inc. |
| |
|
| \ This file is part of Gforth. |
\ This file is part of Gforth. |
| |
|
| \ 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. |
| |
|
| \ This program is distributed in the hope that it will be useful, |
\ This program is distributed in the hope that it will be useful, |
| \ GNU General Public License for more details. |
\ GNU General Public License for more details. |
| |
|
| \ 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. |
|
| |
|
| \ used like |
\ used like |
| \ : <name> create-interpret/compile ... |
\ : <name> create-interpret/compile ... |
| |
|
| 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 ( -- ) |
: 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 drop ] 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" |
| [ /does-handler cell+ cell+ ] literal + \ 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> ( -- orig colon-sys ) |
: 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 ( orig colon-sys -- ) |
: <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> ( -- orig colon-sys ) |
: 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 Alias <compilation immediate restrict |
comp' <interpretation drop |
| |
Alias <compilation ( compilation. orig colon-sys -- ) \ gforth |
| |
immediate restrict |
| |
|
| \ example |
\ example |
| \ : constant ( n "name" -- ) |
\ : constant ( n "name" -- ) |
