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57 lines
1.6 KiB
57 lines
1.6 KiB
# file: runme.pl
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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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use example;
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# ----- Object creation -----
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print "Creating some objects:\n";
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$c = examplec::new_Circle(10);
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print " Created circle $c\n";
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$s = examplec::new_Square(10);
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print " Created square $s\n";
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# ----- Access a static member -----
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print "\nA total of $examplec::Shape_nshapes shapes were created\n";
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# ----- Member data access -----
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# Set the location of the object.
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# Note: methods in the base class Shape are used since
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# x and y are defined there.
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examplec::Shape_x_set($c, 20);
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examplec::Shape_y_set($c, 30);
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examplec::Shape_x_set($s,-10);
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examplec::Shape_y_set($s,5);
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print "\nHere is their current position:\n";
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print " Circle = (",examplec::Shape_x_get($c),",", examplec::Shape_y_get($c),")\n";
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print " Square = (",examplec::Shape_x_get($s),",", examplec::Shape_y_get($s),")\n";
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# ----- Call some methods -----
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print "\nHere are some properties of the shapes:\n";
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foreach $o ($c,$s) {
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print " $o\n";
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print " area = ", examplec::Shape_area($o), "\n";
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print " perimeter = ", examplec::Shape_perimeter($o), "\n";
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}
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# Notice how the Shape_area() and Shape_perimeter() functions really
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# invoke the appropriate virtual method on each object.
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# ----- Delete everything -----
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print "\nGuess I'll clean up now\n";
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# Note: this invokes the virtual destructor
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examplec::delete_Shape($c);
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examplec::delete_Shape($s);
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print $examplec::Shape_nshapes," shapes remain\n";
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print "Goodbye\n";
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