version 1.15, 2000/09/23 15:06:03
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version 1.20, 2001/08/07 09:39:30
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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. |
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require glocals.fs |
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' require alias needs ( ... "name" -- ... ) \ gforth |
' require alias needs ( ... "name" -- ... ) \ gforth |
\G An alias for @code{require}; exists on other systems (e.g., Win32Forth). |
\G An alias for @code{require}; exists on other systems (e.g., Win32Forth). |
Line 70 AUser CSP
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Line 71 AUser CSP
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: in-return-stack? ( addr -- f ) |
: in-return-stack? ( addr -- f ) |
rp0 @ swap - [ forthstart 6 cells + ]L @ u< ; |
rp0 @ swap - [ forthstart 6 cells + ]L @ u< ; |
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\ const-does> |
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: compile-literals ( w*u u -- ; run-time: -- w*u ) recursive |
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\ compile u literals, starting with the bottommost one |
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?dup-if |
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swap >r 1- compile-literals |
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r> POSTPONE literal |
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endif ; |
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: compile-fliterals ( r*u u -- ; run-time: -- w*u ) recursive |
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\ compile u fliterals, starting with the bottommost one |
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?dup-if |
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{ F: r } 1- compile-fliterals |
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r POSTPONE fliteral |
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endif ; |
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: (const-does>) ( w*uw r*ur uw ur target "name" -- ) |
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\ define a colon definition "name" containing w*uw r*ur as |
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\ literals and a call to target. |
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{ uw ur target } |
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header docol: cfa, \ start colon def without stack junk |
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ur compile-fliterals uw compile-literals |
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target compile, POSTPONE exit reveal ; |
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: const-does> ( run-time: w*uw r*ur uw ur "name" -- ) |
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\G Defines @var{name} and returns.@sp 0 |
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\G @var{name} execution: pushes @var{w*uw r*ur}, then performs the |
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\G code following the @code{const-does>}. |
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here >r 0 POSTPONE literal |
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POSTPONE (const-does>) |
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POSTPONE ; |
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noname : POSTPONE rdrop |
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lastxt r> cell+ ! \ patch the literal |
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; immediate |
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\ !! rewrite slurp-file using slurp-fid |
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: slurp-file ( c-addr1 u1 -- c-addr2 u2 ) |
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\G @var{c-addr1 u1} is the filename, @var{c-addr2 u2} is the file's contents |
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r/o bin open-file throw >r |
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r@ file-size throw abort" file too large" |
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dup allocate throw swap |
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2dup r@ read-file throw over <> abort" could not read whole file" |
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r> close-file throw ; |
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: slurp-fid { fid -- addr u } |
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\G @var{addr u} is the content of the file @var{fid} |
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0 0 begin ( awhole uwhole ) |
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dup 1024 + dup >r extend-mem ( anew awhole uwhole R: unew ) |
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rot r@ fid read-file throw ( awhole uwhole uread R: unew ) |
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r> 2dup = |
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while ( awhole uwhole uread unew ) |
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2drop |
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repeat |
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- + dup >r resize throw r> ; |