version 1.46, 2005/11/05 23:26:49
|
version 1.65, 2009/12/31 15:32:35
|
Line 1
|
Line 1
|
\ miscelleneous words |
\ miscelleneous words |
|
|
\ Copyright (C) 1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc. |
\ Copyright (C) 1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 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, |
Line 15
|
Line 15
|
\ 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
|
|
|
require glocals.fs |
require glocals.fs |
|
|
Line 149 AUser CSP
|
Line 148 AUser CSP
|
: compile-compile-2literal ( n1 n2 -- ) |
: compile-compile-2literal ( n1 n2 -- ) |
compile-2literal postpone compile-2literal ; |
compile-2literal postpone compile-2literal ; |
|
|
: [[ ( -- ) |
: [[ ( -- ) \ gforth left-bracket-bracket |
\G switch from postpone state to compile state |
\G switch from postpone state to compile state |
\ this is only a marker; it is never really interpreted |
\ this is only a marker; it is never really interpreted |
compile-only-error ; immediate |
compile-only-error ; immediate |
|
|
[ifdef] compiler1 |
[ifdef] compiler1 |
: postponer1 ( c-addr u -- ... xt ) |
: postponer1 ( c-addr u -- ... xt ) |
2dup find-name dup if ( c-addr u nt ) |
2dup find-name |
|
[ifdef] run-prelude run-prelude [then] |
|
dup if ( c-addr u nt ) |
nip nip name>comp |
nip nip name>comp |
2dup [comp'] [[ d= if |
2dup [comp'] [[ d= if |
2drop ['] compiler1 is parser1 ['] noop |
2drop ['] compiler1 is parser1 ['] noop |
Line 177 AUser CSP
|
Line 178 AUser CSP
|
THEN |
THEN |
then ; |
then ; |
|
|
: ]] ( -- ) |
: ]] ( -- ) \ gforth right-bracket-bracket |
\ switch into postpone state |
\G switch into postpone state |
['] postponer1 is parser1 state on ; immediate restrict |
['] postponer1 is parser1 state on ; immediate restrict |
|
|
|
comp' literal drop alias postpone-literal |
|
comp' 2literal drop alias postpone-2literal |
|
comp' fliteral drop alias postpone-fliteral |
|
comp' sliteral drop alias postpone-sliteral |
|
|
|
: ]]L ( postponing: x -- ; compiling: -- x ) \ gforth right-bracket-bracket-l |
|
\G Shortcut for @code{]] literal}. |
|
]] postpone-literal ]] [[ ; immediate |
|
|
|
: ]]2L ( postponing: x1 x2 -- ; compiling: -- x1 x2 ) \ gforth right-bracket-bracket-two-l |
|
\G Shortcut for @code{]] 2literal}. |
|
]] postpone-2literal ]] [[ ; immediate |
|
|
|
: ]]FL ( postponing: r -- ; compiling: -- r ) \ gforth right-bracket-bracket-f-l |
|
\G Shortcut for @code{]] fliteral}. |
|
]] postpone-fliteral ]] [[ ; immediate |
|
|
|
: ]]SL ( postponing: addr1 u -- ; compiling: -- addr2 u ) \ gforth right-bracket-bracket-s-l |
|
\G Shortcut for @code{]] sliteral}; if the string already has been |
|
\G allocated permanently, you can use @code{]]2L} instead. |
|
]] postpone-sliteral ]] [[ ; immediate |
|
|
[then] |
[then] |
|
|
\ f.rdp |
\ f.rdp |
Line 301 AUser CSP
|
Line 324 AUser CSP
|
[then] |
[then] |
|
|
: f.s ( -- ) \ gforth f-dot-s |
: f.s ( -- ) \ gforth f-dot-s |
\G Display the number of items on the floating-point stack, |
\G Display the number of items on the floating-point stack, followed |
\G followed by a list of the items; TOS is the right-most item. |
\G by a list of the items (but not more than specified by |
|
\G @code{maxdepth-.s}; TOS is the right-most item. |
." <" fdepth 0 .r ." > " fdepth 0 max maxdepth-.s @ min dup 0 |
." <" fdepth 0 .r ." > " fdepth 0 max maxdepth-.s @ min dup 0 |
?DO dup i - 1- floats fp@ + f@ 16 5 11 f.rdp space LOOP drop ; |
?DO dup i - 1- floats fp@ + f@ 16 5 11 f.rdp space LOOP drop ; |
|
|
Line 333 interpret/compile: what's ( interpretati
|
Line 357 interpret/compile: what's ( interpretati
|
emit |
emit |
loop ; |
loop ; |
|
|
|
\ w and l stuff |
|
|
|
environment-wordlist >order |
|
|
|
16 address-unit-bits / 1 max constant /w ( -- u ) \ gforth slash-w |
|
\G address units for a 16-bit value |
|
|
|
32 address-unit-bits / 1 max constant /l ( -- u ) \ gforth slash-l |
|
\G address units for a 32-bit value |
|
|
|
previous |
|
|
|
[ifdef] uw@ |
|
\ Open firmware names |
|
' uw@ alias w@ ( addr -- u ) |
|
' ul@ alias l@ ( addr -- u ) |
|
\ ' sw@ alias <w@ ( addr -- n ) |
|
[then] |
|
|
|
\ safe output redirection |
|
|
|
: outfile-execute ( ... xt file-id -- ... ) \ gforth |
|
\G execute @i{xt} with the output of @code{type} etc. redirected to |
|
\G @i{file-id}. |
|
outfile-id { oldfid } try |
|
to outfile-id execute 0 |
|
restore |
|
oldfid to outfile-id |
|
endtry |
|
throw ; |
|
|
|
: infile-execute ( ... xt file-id -- ... ) \ gforth |
|
\G execute @i{xt} with the input of @code{key} etc. redirected to |
|
\G @i{file-id}. |
|
infile-id { oldfid } try |
|
to infile-id execute 0 |
|
restore |
|
oldfid to infile-id |
|
endtry |
|
throw ; |
|
|
|
\ safe BASE wrapper |
|
|
|
: base-execute ( i*x xt u -- j*x ) \ gforth |
|
\G execute @i{xt} with the content of @code{BASE} being @i{u}, and |
|
\G restoring the original @code{BASE} afterwards. |
|
base @ { oldbase } \ use local, because TRY blocks the return stack |
|
try |
|
base ! execute 0 |
|
restore |
|
oldbase base ! |
|
endtry |
|
throw ; |
|
|
|
\ th |
|
|
|
: th ( addr1 u -- addr2 ) |
|
cells + ; |
|
|
|
\ \\\ - skip to end of file |
|
|
|
: \\\ ( -- ) \ gforth |
|
\G skip remaining source file |
|
source-id dup 0> IF |
|
>r r@ file-size throw r> reposition-file throw |
|
BEGIN refill 0= UNTIL postpone \ THEN ; immediate |