| -- This file illustrates the proxy class C++ interface generated by SWIG. |
| require("example") |
| |
| -- ----- Object creation ----- |
| print("Creating some objects:") |
| local cc = example.Circle(10) |
| local c = example.ShapePtr(cc) |
| print(" Created circles", c) |
| local ss = example.Square(10) |
| local s = example.ShapePtr(ss) |
| print(" Created square", s) |
| |
| -- ----- Access a static member ----- |
| print(string.format("\nA total of %d shapes were created", example.Shape.nshapes)) |
| |
| -- ----- Member data access ----- |
| |
| -- Set the location of the object |
| c.x = 20 |
| c.y = 30 |
| |
| s.x = -10 |
| s.y = 5 |
| |
| print("\nHere is their current position:") |
| print(string.format(" Circle = (%f, %f)", c.x, c.y)) |
| print(string.format(" Square = (%f, %f)", s.x, s.y)) |
| |
| -- ----- Call some methods ----- |
| print("\nHere are some properties of the shapes:") |
| for _, o in ipairs({c, s}) do |
| print(" ", o) |
| print(" area =", o:area()) |
| print(" perimeter =", o:perimeter()) |
| end |
| |
| print("\nGuess I'll clean up now") |
| |
| c=nil |
| s=nil |
| cc=nil |
| ss=nil |
| -- Note: this invokes the virtual destructors |
| collectgarbage() -- performs a full garbage-collection cycle. |
| |
| print(string.format("%d shapes remain", example.Shape.nshapes)) |
| print("Goodbye") |
