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70 lines
1.7 KiB
70 lines
1.7 KiB
# file: runme2.tcl
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# This file illustrates the low-level C++ interface
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# created by SWIG. In this case, all of our C++ classes
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# get converted into function calls.
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catch { load ./example[info sharedlibextension] example}
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# ----- Object creation -----
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puts "Creating some objects:"
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set c [new_Circle 10]
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puts " Created circle $c"
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set s [new_Square 10]
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puts " Created square $s"
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# ----- Access a static member -----
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puts "\nA total of $Shape_nshapes shapes were created"
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# ----- Member data access -----
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# Set the location of the object
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# Note: the base class must be used since that's where x and y
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# were declared.
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Shape_x_set $c 20
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Shape_y_set $c 30
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Shape_x_set $s -10
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Shape_y_set $s 5
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puts "\nHere is their current position:"
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puts " Circle = ([Shape_x_get $c], [Shape_y_get $c])"
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puts " Square = ([Shape_x_get $s], [Shape_y_get $s])"
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# ----- Call some methods -----
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puts "\nHere are some properties of the shapes:"
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foreach o "$c $s" {
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puts " $o"
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puts " area = [Shape_area $o]"
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puts " perimeter = [Shape_perimeter $o]"
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}
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# Notice how the Shape_area() and Shape_perimeter() functions really
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# invoke the appropriate virtual method on each object.
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# ----- Try to cause a type error -----
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puts "\nI'm going to try and break the type system"
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if { [catch {
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# Bad script!
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Square_area $c # Try to invoke Square method on a Circle
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puts " Bad bad SWIG!"
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}]} {
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puts " Well, it didn't work. Good SWIG."
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}
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# ----- Delete everything -----
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puts "\nGuess I'll clean up now"
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# Note: this invokes the virtual destructor
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delete_Shape $c
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delete_Shape $s
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puts "$Shape_nshapes shapes remain"
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puts "Goodbye"
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