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/* File : swig_exception.i
* Test SWIG_exception().
*/
%module swig_exception
%include exception.i
%exception {
try {
$action
} catch (std::exception& e) {
SWIG_exception(SWIG_SystemError, e.what());
}
}
%inline %{
class Value {
int a_;
int b_;
public:
Value(int a, int b) : a_(a), b_(b) {}
};
class Shape {
public:
Shape() {
nshapes++;
}
virtual ~Shape() {
nshapes--;
}
double x, y;
void move(double dx, double dy);
virtual double area() = 0;
virtual double perimeter() = 0;
virtual Value throwException();
static int nshapes;
};
class Circle : public Shape {
private:
double radius;
public:
Circle(double r) : radius(r) { }
virtual double area();
virtual double perimeter();
};
class Square : public Shape {
private:
double width;
public:
Square(double w) : width(w) { }
virtual double area();
virtual double perimeter();
};
%}
%{
#define PI 3.14159265358979323846
#include <stdexcept>
/* Move the shape to a new location */
void Shape::move(double dx, double dy) {
x += dx;
y += dy;
}
Value Shape::throwException() {
throw std::logic_error("OK");
}
int Shape::nshapes = 0;
double Circle::area() {
return PI*radius*radius;
}
double Circle::perimeter() {
return 2*PI*radius;
}
double Square::area() {
return width*width;
}
double Square::perimeter() {
return 4*width;
}
%}
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