105 lines
2.0 KiB
Plaintext
105 lines
2.0 KiB
Plaintext
//
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// $Id$
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//
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STATIC cbStatic
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Function Main()
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Local a := TestBlocks()
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LOCAL cb
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qout( eval( a[ 1 ] ) ) // 23
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qout( eval( a[ 2 ], 42 ) ) // 42
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qout( eval( a[ 1 ] ) ) // 42
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qout( eval( a[ 2 ], 15 ) ) // 15
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mqout( 15, eval( a[ 1 ] ) ) // 15 15
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mqout( 14, eval( a[ 1 ] ) ) // 14 15
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mqout( 42, eval( a[ 2 ], 42 ) ) // 42 42
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mqout( 14, eval( a[ 2 ], 42 ) ) // 14 42
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mqout( 42, eval( a[ 1 ] ) ) // 42 42
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mqout( 14, eval( a[ 1 ] ) ) // 14 42
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GetArray( @a )
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PrintArray( @a )
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qout( "Test for variables passed by reference in a codeblock" )
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DetachWithRefer()
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qout( "Test for indirect detaching of local variables" )
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DetachToStatic( 1 )
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mqout( 2, EVAL( cbStatic, 1 ) )
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mqout( 3, EVAL( cbStatic, 2 ) )
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cb :=cbStatic
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DetachToStatic( 100 )
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mqout( 200, EVAL( cbStatic, 100 ) )
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mqout( 300, EVAL( cbStatic, 200 ) )
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mqout( 4, EVAL( cb, 3 ) )
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Return( NIL )
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Static Function TestBlocks()
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LOCAL nFoo := 23
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Return( { {|| nFoo }, {|n| nFoo := n } } )
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Static Function mqout( nExpected, nGot )
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qout( nExpected, nGot )
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Return( NIL )
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/////////////////////////////////////////////////////////////////
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PROCEDURE GetArray( a )
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LOCAL i
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a :=ARRAY( 100 )
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FOR i:=1 TO 100
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IF( (i % 6) == 0 )
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a[ i-2 ] =NIL
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a[ i-4 ] =NIL
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ENDIF
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a[ i ] := TestBlocks()
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NEXT
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RETURN
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PROCEDURE PrintArray( a )
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LOCAL i
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FOR i:=1 TO 100
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IF( a[i] != NIL )
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EVAL( a[ i ][ 2 ], i )
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mqout( i, EVAL( a[ i ][ 1 ] ) )
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ENDIF
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NEXT
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RETURN
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//////////////////////////////////////////////////////////////////
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Function DetachWithRefer()
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Local nTest
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Local bBlock1 := MakeBlock()
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Local bBlock2 := {|| DoThing( @nTest ), qout( nTest ) }
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eval( bBlock1 )
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eval( bBlock2 )
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Return( NIL )
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Function MakeBlock()
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Local nTest
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RETURN( {|| DoThing( @nTest ), qout( nTest ) } )
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Function DoThing( n )
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n := 42
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Return( NIL )
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//////////////////////////////////////////////////////////////////////
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FUNCTION DetachToStatic( n )
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cbStatic ={|x| n+x}
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RETURN NIL
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