swig/Examples/test-suite/cpp_basic.i

/* This is a basic test of proxy classes, used by chicken */

%warnfilter(454);                   /* memory leak when setting a ptr/ref variable */

%warnfilter(801) global_cint;       /* Ruby, wrong constant name */

%module cpp_basic

%newobject Bar::testFoo;

%inline %{

class Foo {
  public:
    Foo(int a) : num(a) {}
    int num;

    int func1(int a) {
      return 2*a*num;
    }
    
    int func2(int a) {
      return -a*num;
    }
    
    int (Foo::*func_ptr)(int);
};

%}

%{
static Foo init_ref = Foo(-4);
%}

%inline %{
class Bar {
  public:
    Bar() : fptr(0), fref(init_ref), fval(15) , cint(3) {}
  
    Foo *fptr;
    Foo &fref;
    Foo fval;

    const int cint;
    static const int global_cint = -4;

    static Foo *global_fptr;
    static Foo &global_fref;
    static Foo global_fval;

    int test(int a, Foo *f) {
      return a + (f ? f->num : 0) + fval.num;
    }

    Foo *testFoo(int a, Foo *f) {
      return new Foo(2 * a + (f ? f->num : 0) + fval.num);
    }
};

%}

%{
Foo *Bar::global_fptr = NULL;
Foo &Bar::global_fref = init_ref;
Foo Bar::global_fval = Foo(3);
%}

/* member function tests */
%inline %{
int (Foo::*get_func1_ptr())(int) {
  return &Foo::func1;
}

int (Foo::*get_func2_ptr())(int) {
  return &Foo::func2;
}

int test_func_ptr(Foo *f, int a) {
  return (f->*(f->func_ptr))(a);
}

%}