Diff for /gforth/stuff.fs between versions 1.35 and 1.51

version 1.35, 2004/06/13 21:44:51 version 1.51, 2006/05/07 05:46:47
Line 1 Line 1
 \ miscelleneous words  \ 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.  \ This file is part of Gforth.
   
Line 51  AUser CSP Line 51  AUser CSP
 \G @code{system} command.  \G @code{system} command.
   
 : system ( c-addr u -- ) \ gforth  : system ( c-addr u -- ) \ gforth
 \G Pass the string specified by @var{c-addr u} to the host operating system  \G Pass the string specified by @var{c-addr u} to the host operating
 \G for execution in a sub-shell.  \G system for execution in a sub-shell.  The value of the environment
   \G variable @code{GFORTHSYSTEMPREFIX} (or its default value) is
   \G prepended to the string (mainly to support using @code{command.com}
   \G as shell in Windows instead of whatever shell Cygwin uses by
   \G default; @pxref{Environment variables}).
     (system) throw TO $? ;      (system) throw TO $? ;
   
 : sh ( "..." -- ) \ gforth  : sh ( "..." -- ) \ gforth
Line 119  AUser CSP Line 123  AUser CSP
     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 ;
   
 : 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}
       { 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 135  AUser CSP Line 140  AUser CSP
 : compile-literal ( n -- )  : compile-literal ( n -- )
     postpone literal ;      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  \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
   
 : postponer ( c-addr u -- )  [ifdef] compiler1
   : postponer1 ( c-addr u -- ... xt )
     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 ['] compiler is parser              2drop ['] compiler1 is parser1 ['] noop
         else          else
             postpone,              ['] postpone,
         endif          endif
     else      else
         drop          drop
         2dup snumber? dup if          2dup 2>r snumber? dup if
             0> IF              0> IF
                 swap postpone literal postpone compile-literal                  ['] compile-compile-2literal
               ELSE
                   ['] compile-compile-literal
             THEN              THEN
             postpone Literal postpone compile-literal              2rdrop
             2drop  
         ELSE          ELSE
             drop no.extensions              drop 2r> no.extensions
         THEN          THEN
     then ;      then ;
   
 : ]] ( -- )  : ]] ( -- )
     \ switch into postpone state      \ switch into postpone state
     ['] postponer is parser state on ; immediate restrict      ['] postponer1 is parser1 state on ; immediate restrict
   
   [then]
   
 \ f.rdp  \ f.rdp
   
Line 182  AUser CSP Line 200  AUser CSP
         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
               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              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 278  AUser CSP Line 301  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 ; 
   
   \ defer stuff
   
   [ifundef] defer@ : defer@ >body @ ; [then]
   
   :noname    ' defer@ ;
   :noname    postpone ['] postpone defer@ ;
   interpret/compile: action-of ( interpretation "name" -- xt; compilation "name" -- ; run-time -- xt ) \ gforth
   \G @i{Xt} is the XT that is currently assigned to @i{name}.
   
   ' action-of
   comp' action-of drop
   interpret/compile: what's ( interpretation "name" -- xt; compilation "name" -- ; run-time -- xt ) \ gforth-obsolete
   \G Old name of @code{action-of}
   
   
   : typewhite ( addr n -- ) \ gforth
   \G Like type, but white space is printed instead of the characters.
       \ bounds u+do
       0 max bounds ?do
           i c@ #tab = if \ check for tab
               #tab
           else
               bl
           then
           emit
       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]
   

Removed from v.1.35  
changed lines
  Added in v.1.51


FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>