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