implemented <source>
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ddc6014430
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29ec338934
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@ -38,6 +38,41 @@
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; immediate
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: farbendemo farbendemo' </bc> </fc> ;
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256 Constant max-line
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Create line-buffer max-line 2 + allot
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0 Value fd-in
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: open-input ( addr u -- ) r/o open-file throw to fd-in ;
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: printsource ( from to addr u -- )
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open-input
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cr
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0
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begin
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1+
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line-buffer max-line fd-in read-line throw
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while
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swap 2over rot swap over >= if
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swap over <= if
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dup 0 U.R s" -> " type swap line-buffer swap type cr
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else swap drop
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endif
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else swap drop swap drop
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endif
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repeat
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2drop 2drop
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fd-in close-file throw ;
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: printCodeHeader ( end start namelen addr -- ) \ prints source code header containing line numbers
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swap 2dup type 2swap \ s" (" type 0 U.R s" -" type 0 U.R s" ): " type cr cr type ;
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swap 2swap cr printsource cr ; \ type emit emit ;
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: {source} ( -- ) ;
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: <source> ( -- , xt-{source} ) ['] {source} , ;
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: {/source} ( -- ) dup dup dup dup @ swap cell + @ 2swap cell 2 * +
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@ swap cell 3 * + @ printCodeHeader 4 cells + ;
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: </source> ( -- , xt-{/source} ) ['] {/source} , , , , , ;
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<presentation>
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<h> !" Dies ist eine Testpraesentation!" </h>
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<p>
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@ -46,9 +81,9 @@
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!" ] die tolle Idee, eine Praesentationssoftware zu schreiben."
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</p>
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<p> <en>
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<||> !" erstens" </||>
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<||> !" zweitens" </||>
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<||> !" dann" </||>
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<||> !" Forth eignet sich gut für Domain specific languages." </||>
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<||> !" Makros sind ein Heidenspass." </||>
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<||> !" Execution tokens erzeugen unseren Code." </||>
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</en> </p>
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<np>
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<h> !" Ergebnis" </h>
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@ -69,4 +104,8 @@
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<li> !" Vordergrundfarbe: " <f> s\" Brown <fc> !\" text\" </fc> " !! </f> !" : " Brown <fc> !\" text" </fc> </li>
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<p> !" 8 Farben sind moeglich:" </p>
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<p> farbendemo </p>
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<np>
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<h> !" Und Source" </h>
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<br>
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<source> s" presentation.fs" 10 20 </source>
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</presentation>
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