[gforth] / gforth / cross.fs  

gforth: gforth/cross.fs

Diff for /gforth/cross.fs between version 1.105 and 1.106

version 1.105, Wed Sep 5 09:42:38 2001 UTC version 1.106, Wed Sep 5 10:18:46 2001 UTC
Line 801 
Line 801 
   \ points to the where we have to resolve (linked-list)    \ points to the where we have to resolve (linked-list)
   cell% field >link    cell% field >link
   
   \ execution symantics (while target compiling) of ghost    \ execution semantics (while target compiling) of ghost
   cell% field >exec    cell% field >exec
   
     \ compilation action of this ghost; this is what is
     \ done to compile a call (or whatever) to this definition.
     \ E.g. >comp contains the semantic of postpone s"
     \ whereas >exec-compile contains the semantic of s"
   cell% field >comp    cell% field >comp
   
     \ Compilation sematics (while parsing) of this ghost. E.g.
     \ "\" will skip the rest of line.
     \ These semantics are defined by Cond: and
     \ if a word is made immediate in instant, then the >exec2 field
     \ gets copied to here
   cell% field >exec-compile    cell% field >exec-compile
   
     \ Additional execution semantics of this ghost. This is used
     \ for code generated by instant and for the doer-xt of created
     \ words
   cell% field >exec2    cell% field >exec2
   
   cell% field >created    cell% field >created
Line 865 
Line 877 
   cross-space-end u> ABORT" CROSS: cross-space overflow"    cross-space-end u> ABORT" CROSS: cross-space overflow"
   cross-space-dp-orig @ dp ! ;    cross-space-dp-orig @ dp ! ;
   
   \ this is just for debugging, to see this in the backtrace
 : execute-exec execute ;  : execute-exec execute ;
 : execute-exec2 execute ;  : execute-exec2 execute ;
 : execute-exec-compile execute ;  : execute-exec-compile execute ;
Line 1443 
Line 1456 
   
 bigendian  bigendian
 [IF]  [IF]
    : S!  ( n addr -- )  >r s>d r> tcell bounds swap 1-     : DS!  ( d addr -- )  tcell bounds swap 1-
      DO  maxbyte ud/mod rot I c!  -1 +LOOP  2drop ;       DO  maxbyte ud/mod rot I c!  -1 +LOOP  2drop ;
    : S@  ( addr -- n )  >r 0 0 r> tcell bounds     : DS@  ( addr -- d )  >r 0 0 r> tcell bounds
      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  LOOP d>s ;       DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  LOOP ;
    : Sc!  ( n addr -- )  >r s>d r> tchar bounds swap 1-     : Sc!  ( n addr -- )  >r s>d r> tchar bounds swap 1-
      DO  maxbyte ud/mod rot I c!  -1 +LOOP  2drop ;       DO  maxbyte ud/mod rot I c!  -1 +LOOP  2drop ;
    : Sc@  ( addr -- n )  >r 0 0 r> tchar bounds     : Sc@  ( addr -- n )  >r 0 0 r> tchar bounds
      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  LOOP d>s ;       DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  LOOP d>s ;
 [ELSE]  [ELSE]
    : S!  ( n addr -- )  >r s>d r> tcell bounds     : DS!  ( d addr -- )  tcell bounds
      DO  maxbyte ud/mod rot I c!  LOOP  2drop ;       DO  maxbyte ud/mod rot I c!  LOOP  2drop ;
    : S@  ( addr -- n )  >r 0 0 r> tcell bounds swap 1-     : DS@  ( addr -- n )  >r 0 0 r> tcell bounds swap 1-
      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  -1 +LOOP d>s ;       DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  -1 +LOOP ;
    : Sc!  ( n addr -- )  >r s>d r> tchar bounds     : Sc!  ( n addr -- )  >r s>d r> tchar bounds
      DO  maxbyte ud/mod rot I c!  LOOP  2drop ;       DO  maxbyte ud/mod rot I c!  LOOP  2drop ;
    : Sc@  ( addr -- n )  >r 0 0 r> tchar bounds swap 1-     : Sc@  ( addr -- n )  >r 0 0 r> tchar bounds swap 1-
      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  -1 +LOOP d>s ;       DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  -1 +LOOP d>s ;
 [THEN]  [THEN]
   
   : S! ( n addr -- ) >r s>d r> DS! ;
   : S@ ( addr -- n ) DS@ d>s ;
   
 : taddr>region ( taddr -- region | 0 )  : taddr>region ( taddr -- region | 0 )
 \G finds for a target-address the correct region  \G finds for a target-address the correct region
 \G returns 0 if taddr is not in range of a target memory region  \G returns 0 if taddr is not in range of a target memory region
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Line 2199 
 \ \ threading modell                                    13dec92py  \ \ threading modell                                    13dec92py
 \ modularized                                           14jun97jaw  \ modularized                                           14jun97jaw
   
 T 2 cells H .s Value xt>body  T 2 cells H Value xt>body
   
 : (>body)   ( cfa -- pfa )  : (>body)   ( cfa -- pfa )
   xt>body + ;                                           ' (>body) plugin-of t>body    xt>body + ;                                           ' (>body) plugin-of t>body
   
 : fillcfa   ( usedcells -- )  : fillcfa   ( usedcells -- )
   T cells H xt>body swap - dup .    T cells H xt>body swap -
   assert1( dup 0 >= )    assert1( dup 0 >= )
   0 ?DO 0 X c, tchar +LOOP ;    0 ?DO 0 X c, tchar +LOOP ;
   
Line 2437 
Line 2453 
 : Builder    ( Create-xt do-ghost "name" -- )  : Builder    ( Create-xt do-ghost "name" -- )
 \ builds up a builder in current vocabulary  \ builds up a builder in current vocabulary
 \ create-xt is executed when word is interpreted  \ create-xt is executed when word is interpreted
 \ do:-xt is executet when the created word from builder is executed  \ do:-xt is executed when the created word from builder is executed
 \ for do:-xt an additional entry after the normal ghost-entrys is used  \ for do:-xt an additional entry after the normal ghost-entrys is used
   
   Make-Ghost            ( Create-xt do-ghost ghost )    Make-Ghost            ( Create-xt do-ghost ghost )

Generate output suitable for use with a patch program
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Removed from v.1.105  
changed lines
  Added in v.1.106
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