42afd931c7
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@5948 626c5289-ae23-0410-ae9c-e8d60b6d4f22
72 lines
1.7 KiB
Scheme
72 lines
1.7 KiB
Scheme
;; This file illustrates the low-level C++ interface generated
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;; by SWIG.
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(declare (uses example))
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;; ----- Object creation -----
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(display "Creating some objects:\n")
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(define c (example:new-Circle 10.0))
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(display " Created circle ")
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(display c)
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(display "\n")
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(define s (example:new-Square 10.0))
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(display " Created square ")
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(display s)
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(display "\n")
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;; ----- Access a static member -----
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(display "\nA total of ")
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(display (example:Shape-nshapes))
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(display " shapes were created\n")
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;; ----- Member data access -----
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;; Set the location of the object
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(example:Shape-x-set c 20.0)
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(example:Shape-y-set c 30.0)
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(example:Shape-x-set s -10.0)
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(example:Shape-y-set s 5.0)
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(display "\nHere is their current position:\n")
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(display " Circle = (")
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(display (example:Shape-x-get c))
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(display ", ")
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(display (example:Shape-y-get c))
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(display ")\n")
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(display " Square = (")
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(display (example:Shape-x-get s))
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(display ", ")
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(display (example:Shape-y-get s))
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(display ")\n")
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;; ----- Call some methods -----
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(display "\nHere are some properties of the shapes:\n")
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(let
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((disp (lambda (o)
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(display " ")
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(display o)
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(display "\n")
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(display " area = ")
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(display (example:Shape-area o))
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(display "\n")
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(display " perimeter = ")
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(display (example:Shape-perimeter o))
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(display "\n"))))
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(disp c)
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(disp s))
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(display "\nGuess I'll clean up now\n")
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;; Note: this invokes the virtual destructor
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(example:delete-Shape c)
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(example:delete-Shape s)
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(set! s 3)
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(display (example:Shape-nshapes))
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(display " shapes remain\n")
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(display "Goodbye\n")
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