+ website
+ Added Harbour website (except art, docs and stat subdirs)
; TODO: configure automatic mechanism to extract site from
here and regularly updload to sf.net web area
; TODO: Clean HTML code, remove unused picture/files, avoid JS
Any takers?
; NOTE: Please make modifications to website code only in
SVN, then upload the content to web server manually.
IOW never update on web server directly.
194 lines
18 KiB
HTML
194 lines
18 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
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<HTML xmlns="http://www.w3.org/1999/xhtml"><HEAD><TITLE>codebl.prg</TITLE>
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<BODY bgColor=#ffffff>
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<PRE><CODE><SPAN style="FONT: 10pt Courier New"><SPAN class=any1-reservedword>STATIC</SPAN><SPAN class=any1-space> cbStatic
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</SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>Main</SPAN><SPAN class=any1-symbol>()
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</SPAN><SPAN class=any1-reservedword>Local</SPAN><SPAN class=any1-space> a := </SPAN><SPAN class=any1-variable>TestBlocks</SPAN><SPAN class=any1-symbol>()
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</SPAN><SPAN class=any1-reservedword>LOCAL</SPAN><SPAN class=any1-space> cb
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</SPAN><SPAN class=any1-function>qout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( a[ </SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> ] ) ) </SPAN><SPAN class=any1-comment>// 23
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-function>qout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( a[ </SPAN><SPAN class=any1-number>2</SPAN><SPAN class=any1-space> ], </SPAN><SPAN class=any1-number>42</SPAN><SPAN class=any1-space> ) ) </SPAN><SPAN class=any1-comment>// 42
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-function>qout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( a[ </SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> ] ) ) </SPAN><SPAN class=any1-comment>// 42
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-function>qout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( a[ </SPAN><SPAN class=any1-number>2</SPAN><SPAN class=any1-space> ], </SPAN><SPAN class=any1-number>15</SPAN><SPAN class=any1-space> ) ) </SPAN><SPAN class=any1-comment>// 15
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>15</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( a[ </SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> ] ) ) </SPAN><SPAN class=any1-comment>// 15 15
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>14</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( a[ </SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> ] ) ) </SPAN><SPAN class=any1-comment>// 14 15
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>42</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( a[ </SPAN><SPAN class=any1-number>2</SPAN><SPAN class=any1-space> ], </SPAN><SPAN class=any1-number>42</SPAN><SPAN class=any1-space> ) ) </SPAN><SPAN class=any1-comment>// 42 42
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>14</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( a[ </SPAN><SPAN class=any1-number>2</SPAN><SPAN class=any1-space> ], </SPAN><SPAN class=any1-number>42</SPAN><SPAN class=any1-space> ) ) </SPAN><SPAN class=any1-comment>// 14 42
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>42</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( a[ </SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> ] ) ) </SPAN><SPAN class=any1-comment>// 42 42
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>14</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( a[ </SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> ] ) ) </SPAN><SPAN class=any1-comment>// 14 42
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>GetArray</SPAN><SPAN class=any1-symbol>( @a )
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</SPAN><SPAN class=any1-variable>PrintArray</SPAN><SPAN class=any1-symbol>( @a )
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</SPAN><SPAN class=any1-function>qout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-string>"Test for variables passed by reference in a codeblock"</SPAN><SPAN class=any1-space> )
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</SPAN><SPAN class=any1-variable>DetachWithRefer</SPAN><SPAN class=any1-symbol>()
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</SPAN><SPAN class=any1-function>qout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-string>"Test for indirect detaching of local variables"</SPAN><SPAN class=any1-space> )
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</SPAN><SPAN class=any1-variable>DetachToStatic</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> )
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</SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>2</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>EVAL</SPAN><SPAN class=any1-symbol>( cbStatic, </SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> ) )
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</SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>3</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>EVAL</SPAN><SPAN class=any1-symbol>( cbStatic, </SPAN><SPAN class=any1-number>2</SPAN><SPAN class=any1-space> ) )
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cb :=cbStatic
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</SPAN><SPAN class=any1-variable>DetachToStatic</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>100</SPAN><SPAN class=any1-space> )
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</SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>200</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>EVAL</SPAN><SPAN class=any1-symbol>( cbStatic, </SPAN><SPAN class=any1-number>100</SPAN><SPAN class=any1-space> ) )
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</SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>300</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>EVAL</SPAN><SPAN class=any1-symbol>( cbStatic, </SPAN><SPAN class=any1-number>200</SPAN><SPAN class=any1-space> ) )
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</SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>4</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>EVAL</SPAN><SPAN class=any1-symbol>( cb, </SPAN><SPAN class=any1-number>3</SPAN><SPAN class=any1-space> ) )
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</SPAN><SPAN class=any1-variable>ReferParam</SPAN><SPAN class=any1-symbol>()
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</SPAN><SPAN class=any1-reservedword>Return</SPAN><SPAN class=any1-symbol>( NIL )
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</SPAN><SPAN class=any1-reservedword>Static</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>TestBlocks</SPAN><SPAN class=any1-symbol>()
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</SPAN><SPAN class=any1-reservedword>LOCAL</SPAN><SPAN class=any1-space> nFoo := </SPAN><SPAN class=any1-number>23
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</SPAN><SPAN class=any1-reservedword>Return</SPAN><SPAN class=any1-symbol>( { {|| nFoo }, {|n| nFoo := n } } )
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</SPAN><SPAN class=any1-reservedword>Static</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( nExpected, nGot )
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</SPAN><SPAN class=any1-function>qout</SPAN><SPAN class=any1-symbol>( nExpected, nGot )
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</SPAN><SPAN class=any1-reservedword>Return</SPAN><SPAN class=any1-symbol>( NIL )
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</SPAN><SPAN class=any1-comment>/////////////////////////////////////////////////////////////////
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</SPAN><SPAN class=any1-reservedword>PROCEDURE</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>GetArray</SPAN><SPAN class=any1-symbol>( a )
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</SPAN><SPAN class=any1-reservedword>LOCAL</SPAN><SPAN class=any1-space> i
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a :=</SPAN><SPAN class=any1-function>ARRAY</SPAN><SPAN class=any1-symbol>( </SPAN><SPAN class=any1-number>100</SPAN><SPAN class=any1-space> )
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</SPAN><SPAN class=any1-reservedword>FOR</SPAN><SPAN class=any1-space> i:=</SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-function>TO</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-number>100
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-reservedword>IF</SPAN><SPAN class=any1-symbol>( (i % </SPAN><SPAN class=any1-number>6</SPAN><SPAN class=any1-symbol>) == </SPAN><SPAN class=any1-number>0</SPAN><SPAN class=any1-space> )
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a[ i-2 ] =NIL
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a[ i-4 ] =NIL
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</SPAN><SPAN class=any1-reservedword>ENDIF
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</SPAN><SPAN class=any1-space> a[ i ] := </SPAN><SPAN class=any1-variable>TestBlocks</SPAN><SPAN class=any1-symbol>()
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</SPAN><SPAN class=any1-reservedword>NEXT
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RETURN
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PROCEDURE</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>PrintArray</SPAN><SPAN class=any1-symbol>( a )
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</SPAN><SPAN class=any1-reservedword>LOCAL</SPAN><SPAN class=any1-space> i
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</SPAN><SPAN class=any1-reservedword>FOR</SPAN><SPAN class=any1-space> i:=</SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-function>TO</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-number>100
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-reservedword>IF</SPAN><SPAN class=any1-symbol>( a[i] != NIL )
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</SPAN><SPAN class=any1-function>EVAL</SPAN><SPAN class=any1-symbol>( a[ i ][ </SPAN><SPAN class=any1-number>2</SPAN><SPAN class=any1-space> ], i )
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</SPAN><SPAN class=any1-variable>mqout</SPAN><SPAN class=any1-symbol>( i, </SPAN><SPAN class=any1-function>EVAL</SPAN><SPAN class=any1-symbol>( a[ i ][ </SPAN><SPAN class=any1-number>1</SPAN><SPAN class=any1-space> ] ) )
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</SPAN><SPAN class=any1-reservedword>ENDIF
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</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-reservedword>NEXT
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RETURN
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</SPAN><SPAN class=any1-comment>//////////////////////////////////////////////////////////////////
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</SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>DetachWithRefer</SPAN><SPAN class=any1-symbol>()
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</SPAN><SPAN class=any1-reservedword>Local</SPAN><SPAN class=any1-space> nTest
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</SPAN><SPAN class=any1-reservedword>Local</SPAN><SPAN class=any1-space> bBlock1 := </SPAN><SPAN class=any1-variable>MakeBlock</SPAN><SPAN class=any1-symbol>()
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</SPAN><SPAN class=any1-reservedword>Local</SPAN><SPAN class=any1-space> bBlock2 := {|| </SPAN><SPAN class=any1-variable>DoThing</SPAN><SPAN class=any1-symbol>( @nTest ), </SPAN><SPAN class=any1-function>qout</SPAN><SPAN class=any1-symbol>( nTest ) }
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</SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( bBlock1 )
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</SPAN><SPAN class=any1-function>eval</SPAN><SPAN class=any1-symbol>( bBlock2 )
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</SPAN><SPAN class=any1-reservedword>Return</SPAN><SPAN class=any1-symbol>( NIL )
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</SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>MakeBlock</SPAN><SPAN class=any1-symbol>()
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</SPAN><SPAN class=any1-reservedword>Local</SPAN><SPAN class=any1-space> nTest
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</SPAN><SPAN class=any1-reservedword>RETURN</SPAN><SPAN class=any1-symbol>( {|| </SPAN><SPAN class=any1-variable>DoThing</SPAN><SPAN class=any1-symbol>( @nTest ), </SPAN><SPAN class=any1-function>qout</SPAN><SPAN class=any1-symbol>( nTest ) } )
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</SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>DoThing</SPAN><SPAN class=any1-symbol>( n )
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n := </SPAN><SPAN class=any1-number>42
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</SPAN><SPAN class=any1-reservedword>Return</SPAN><SPAN class=any1-symbol>( NIL )
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</SPAN><SPAN class=any1-comment>//////////////////////////////////////////////////////////////////////
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</SPAN><SPAN class=any1-reservedword>FUNCTION</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>DetachToStatic</SPAN><SPAN class=any1-symbol>( n )
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cbStatic ={|x| n+x}
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</SPAN><SPAN class=any1-reservedword>RETURN</SPAN><SPAN class=any1-space> NIL
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</SPAN><SPAN class=any1-comment>// ------------------------------------------------------------
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</SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>ReferParam</SPAN><SPAN class=any1-symbol>()
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</SPAN><SPAN class=any1-reservedword>Local</SPAN><SPAN class=any1-space> bResult
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? </SPAN><SPAN class=any1-string>"Test for codeblock parameter passed by reference"
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</SPAN><SPAN class=any1-variable>PassByValue</SPAN><SPAN class=any1-symbol>( {|lEnd| ;
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bResult := </SPAN><SPAN class=any1-variable>GetBlock</SPAN><SPAN class=any1-symbol>( @lEnd ), ;
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</SPAN><SPAN class=any1-variable>SetByRef</SPAN><SPAN class=any1-symbol>( @lEnd ) } )
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</SPAN><SPAN class=any1-comment>// Clipper & xHarbour it's .T.
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//In Harbour it is .F.
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</SPAN><SPAN class=any1-symbol>? </SPAN><SPAN class=any1-string>"Printed value in Clipper .T. ="</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>Eval</SPAN><SPAN class=any1-symbol>( bResult )
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?
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</SPAN><SPAN class=any1-comment>// Notice the Clipper bug: GetBlock is receiving the reference to
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// the codeblock parameter than the value of EVAL(bResult) shouldn't
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// depend on the order of block creation/value changing (GetBlock/SetRef).
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</SPAN><SPAN class=any1-variable>PassByRef</SPAN><SPAN class=any1-symbol>( {|lEnd| ;
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bResult := </SPAN><SPAN class=any1-variable>GetBlock</SPAN><SPAN class=any1-symbol>( @lEnd ), ;
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</SPAN><SPAN class=any1-variable>SetByRef</SPAN><SPAN class=any1-symbol>( @lEnd ) } )
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</SPAN><SPAN class=any1-comment>// Clipper & xHarbour it's .T.
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//In Harbour it is .F.
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</SPAN><SPAN class=any1-symbol>? </SPAN><SPAN class=any1-string>"Printed value in Clipper .T. ="</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>Eval</SPAN><SPAN class=any1-symbol>( bResult )
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?
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? </SPAN><SPAN class=any1-string>"2nd test for codeblock parameter passed by reference"
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</SPAN><SPAN class=any1-variable>PassByValue</SPAN><SPAN class=any1-symbol>( {|lEnd| ;
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</SPAN><SPAN class=any1-variable>SetByRef</SPAN><SPAN class=any1-symbol>( @lEnd ), ;
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bResult := </SPAN><SPAN class=any1-variable>GetBlock</SPAN><SPAN class=any1-symbol>( @lEnd ) } )
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</SPAN><SPAN class=any1-comment>// Clipper & xHarbour it's .T.
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//In Harbour it is .F.
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</SPAN><SPAN class=any1-symbol>? </SPAN><SPAN class=any1-string>"Printed value in Clipper .F. ="</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>Eval</SPAN><SPAN class=any1-symbol>( bResult )
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?
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</SPAN><SPAN class=any1-variable>PassByRef</SPAN><SPAN class=any1-symbol>( {|lEnd| ;
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</SPAN><SPAN class=any1-variable>SetByRef</SPAN><SPAN class=any1-symbol>( @lEnd ), ;
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bResult := </SPAN><SPAN class=any1-variable>GetBlock</SPAN><SPAN class=any1-symbol>( @lEnd ) } )
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</SPAN><SPAN class=any1-comment>// Clipper & xHarbour it's .T.
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//In Harbour it is .F.
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</SPAN><SPAN class=any1-symbol>? </SPAN><SPAN class=any1-string>"Printed value in Clipper .F. ="</SPAN><SPAN class=any1-symbol>, </SPAN><SPAN class=any1-function>Eval</SPAN><SPAN class=any1-symbol>( bResult )
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?
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</SPAN><SPAN class=any1-reservedword>Return</SPAN><SPAN class=any1-space> Nil
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</SPAN><SPAN class=any1-reservedword>Static</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>PassByValue</SPAN><SPAN class=any1-symbol>( bBlock )
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</SPAN><SPAN class=any1-reservedword>Local</SPAN><SPAN class=any1-space> lSomeVar := </SPAN><SPAN class=any1-activedot>.T.
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</SPAN><SPAN class=any1-function>Eval</SPAN><SPAN class=any1-symbol>( bBlock, lSomeVar )
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? </SPAN><SPAN class=any1-string>"lSomeVar value in Clipper .T. ="</SPAN><SPAN class=any1-symbol>, lSomeVar
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</SPAN><SPAN class=any1-reservedword>Return</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-activedot>.T.
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</SPAN><SPAN class=any1-reservedword>Static</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>PassByRef</SPAN><SPAN class=any1-symbol>( bBlock )
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</SPAN><SPAN class=any1-reservedword>Local</SPAN><SPAN class=any1-space> lSomeVar := </SPAN><SPAN class=any1-activedot>.T.
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</SPAN><SPAN class=any1-function>Eval</SPAN><SPAN class=any1-symbol>( bBlock, @lSomeVar )
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? </SPAN><SPAN class=any1-string>"lSomeVar value in Clipper .F. ="</SPAN><SPAN class=any1-symbol>, lSomeVar
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</SPAN><SPAN class=any1-reservedword>Return</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-activedot>.T.
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</SPAN><SPAN class=any1-reservedword>Static</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>SetByRef</SPAN><SPAN class=any1-symbol>( lVar )
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lVar := </SPAN><SPAN class=any1-activedot>.F.
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</SPAN><SPAN class=any1-reservedword>Return</SPAN><SPAN class=any1-space> Nil
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</SPAN><SPAN class=any1-reservedword>Static</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-reservedword>Function</SPAN><SPAN class=any1-space> </SPAN><SPAN class=any1-variable>GetBlock</SPAN><SPAN class=any1-symbol>( lVar )
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</SPAN><SPAN class=any1-reservedword>Return</SPAN><SPAN class=any1-space> {|| lVar }
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</SPAN><SPAN class=any1-comment>// ------------------------------------------------------------
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</SPAN></SPAN>
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</CODE></PRE></BODY></HTML>
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