--- gforth/stuff.fs 2004/12/28 22:37:07 1.40 +++ gforth/stuff.fs 2006/01/28 18:46:15 1.49 @@ -1,6 +1,6 @@ \ miscelleneous words -\ Copyright (C) 1996,1997,1998,2000,2003 Free Software Foundation, Inc. +\ Copyright (C) 1996,1997,1998,2000,2003,2004,2005 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -123,8 +123,9 @@ AUser CSP 2dup r@ read-file throw over <> abort" could not read whole file" r> close-file throw ; -: slurp-fid { fid -- addr u } \ gforth - \G @var{addr u} is the content of the file @var{fid} +: slurp-fid ( fid -- addr u ) \ gforth +\G @var{addr u} is the content of the file @var{fid} + { fid } 0 0 begin ( awhole uwhole ) dup 1024 + dup >r extend-mem ( anew awhole uwhole R: unew ) rot r@ fid read-file throw ( awhole uwhole uread R: unew ) @@ -139,35 +140,48 @@ AUser CSP : compile-literal ( n -- ) postpone literal ; +: compile-compile-literal ( n -- ) + compile-literal postpone compile-literal ; + +: compile-2literal ( n1 n2 -- ) + postpone 2literal ; + +: compile-compile-2literal ( n1 n2 -- ) + compile-2literal postpone compile-2literal ; + : [[ ( -- ) \G switch from postpone state to compile state \ this is only a marker; it is never really interpreted compile-only-error ; immediate -: postponer ( c-addr u -- ) +[ifdef] compiler1 +: postponer1 ( c-addr u -- ... xt ) 2dup find-name dup if ( c-addr u nt ) nip nip name>comp 2dup [comp'] [[ d= if - 2drop ['] compiler is parser + 2drop ['] compiler1 is parser1 ['] noop else - postpone, + ['] postpone, endif else drop - 2dup snumber? dup if + 2dup 2>r snumber? dup if 0> IF - swap postpone literal postpone compile-literal + ['] compile-compile-2literal + ELSE + ['] compile-compile-literal THEN - postpone Literal postpone compile-literal - 2drop + 2rdrop ELSE - drop no.extensions + drop 2r> no.extensions THEN then ; : ]] ( -- ) \ switch into postpone state - ['] postponer is parser state on ; immediate restrict + ['] postponer1 is parser1 state on ; immediate restrict + +[then] \ f.rdp @@ -186,6 +200,11 @@ AUser CSP ur nd - 1- dup { beforep } fsign + nexp 0 max >= and if \ fixed-point notation c-addr ur beforep nexp - dup { befored } '0 push-right + befored 1+ ur >= if \ <=1 digit left, will be pushed out by '.' + rf fabs f2* 0.1e nd s>d d>f f** f> if \ round last digit + '1 c-addr befored + 1- c! + endif + endif c-addr beforep 1- befored min dup { beforez } 0 max bl fill fsign if '- c-addr beforez 1- 0 max + c! @@ -314,3 +333,21 @@ interpret/compile: what's ( interpretati emit loop ; +\ w and l stuff + +environment-wordlist >order + +16 address-unit-bits / 1 max constant /w ( -- u ) \ gforth +\G address units for a 16-bit value + +32 address-unit-bits / 1 max constant /l ( -- u ) \ gforth +\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