version 1.43, 2005/06/28 06:49:41
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version 1.56, 2007/12/31 17:34:58
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\ miscelleneous words |
\ miscelleneous words |
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\ Copyright (C) 1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc. |
\ Copyright (C) 1996,1997,1998,2000,2003,2004,2005,2006,2007 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 123 AUser CSP
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Line 123 AUser CSP
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2dup r@ read-file throw over <> abort" could not read whole file" |
2dup r@ read-file throw over <> abort" could not read whole file" |
r> close-file throw ; |
r> close-file throw ; |
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: slurp-fid { fid -- addr u } \ gforth |
: slurp-fid ( fid -- addr u ) \ gforth |
\G @var{addr u} is the content of the file @var{fid} |
\G @var{addr u} is the content of the file @var{fid} |
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{ fid } |
0 0 begin ( awhole uwhole ) |
0 0 begin ( awhole uwhole ) |
dup 1024 + dup >r extend-mem ( anew awhole uwhole R: unew ) |
dup 1024 + dup >r extend-mem ( anew awhole uwhole R: unew ) |
rot r@ fid read-file throw ( awhole uwhole uread R: unew ) |
rot r@ fid read-file throw ( awhole uwhole uread R: unew ) |
Line 158 AUser CSP
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Line 159 AUser CSP
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2dup find-name dup if ( c-addr u nt ) |
2dup find-name 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 |
2drop ['] compiler1 is parser1 ['] noop |
else |
else |
['] postpone, |
['] postpone, |
endif |
endif |
Line 199 AUser CSP
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Line 200 AUser CSP
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ur nd - 1- dup { beforep } fsign + nexp 0 max >= and if |
ur nd - 1- dup { beforep } fsign + nexp 0 max >= and if |
\ fixed-point notation |
\ fixed-point notation |
c-addr ur beforep nexp - dup { befored } '0 push-right |
c-addr ur beforep nexp - dup { befored } '0 push-right |
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befored 1+ ur >= if \ <=1 digit left, will be pushed out by '.' |
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rf fabs f2* 0.1e nd s>d d>f f** f> if \ round last digit |
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'1 c-addr befored + 1- c! |
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endif |
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endif |
c-addr beforep 1- befored min dup { beforez } 0 max bl fill |
c-addr beforep 1- befored min dup { beforez } 0 max bl fill |
fsign if |
fsign if |
'- c-addr beforez 1- 0 max + c! |
'- c-addr beforez 1- 0 max + c! |
Line 295 AUser CSP
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Line 301 AUser CSP
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[then] |
[then] |
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: 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 |
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\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 ; |
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Line 327 interpret/compile: what's ( interpretati
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Line 334 interpret/compile: what's ( interpretati
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emit |
emit |
loop ; |
loop ; |
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\ w and l stuff |
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environment-wordlist >order |
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16 address-unit-bits / 1 max constant /w ( -- u ) \ gforth slash-w |
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\G address units for a 16-bit value |
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32 address-unit-bits / 1 max constant /l ( -- u ) \ gforth slash-l |
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\G address units for a 32-bit value |
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previous |
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[ifdef] uw@ |
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\ Open firmware names |
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' uw@ alias w@ ( addr -- u ) |
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' ul@ alias l@ ( addr -- u ) |
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\ ' sw@ alias <w@ ( addr -- n ) |
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[then] |
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\ safe output redirection |
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: outfile-execute ( ... xt file-id -- ... ) \ gforth |
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\G execute @i{xt} with the output of @code{type} etc. redirected to |
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\G @i{file-id}. |
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outfile-id { oldfid } try |
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to outfile-id execute 0 |
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restore |
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oldfid to outfile-id |
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endtry |
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throw ; |
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: infile-execute ( ... xt file-id -- ... ) \ gforth |
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\G execute @i{xt} with the input of @code{key} etc. redirected to |
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\G @i{file-id}. |
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infile-id { oldfid } try |
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to infile-id execute 0 |
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restore |
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oldfid to infile-id |
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endtry |
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throw ; |
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\ safe BASE wrapper |
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: base-execute ( i*x xt u -- j*x ) \ gforth |
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\G execute @i{xt} with the content of @code{BASE} being @i{u}, and |
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\G restoring the original @code{BASE} afterwards. |
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base @ { oldbase } \ use local, because TRY blocks the return stack |
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try |
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base ! execute 0 |
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restore |
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oldbase base ! |
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endtry |
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throw ; |
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