Add support for the Go programming language.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12108 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/go/director_exception_runme.go

@@ -0,0 +1,95 @@
+package main
+
+import . "./director_exception"
+
+type Exception struct {
+	msg string
+}
+
+func NewException(a, b string) *Exception {
+	return &Exception{a + b}
+}
+
+type MyFoo struct{} // From Foo
+func (p *MyFoo) Ping() string {
+	panic("MyFoo::ping() EXCEPTION")
+}
+
+type MyFoo2 struct{} // From Foo
+func (p *MyFoo2) Ping() bool {
+	return true // should return a string
+}
+
+type MyFoo3 struct{} // From Foo
+func (p *MyFoo3) Ping() string {
+	panic(NewException("foo", "bar"))
+}
+
+func main() {
+	// Check that the NotImplementedError raised by MyFoo.ping()
+	// is returned by MyFoo.pong().
+	ok := false
+	a := NewDirectorFoo(&MyFoo{})
+	b := Launder(a)
+	func() {
+		defer func() {
+			e := recover()
+			if e.(string) == "MyFoo::ping() EXCEPTION" {
+				ok = true
+			} else {
+				panic("Unexpected error message: " + e.(string))
+			}
+		}()
+		b.Pong()
+	}()
+	if !ok {
+		panic(0)
+	}
+
+	// Check that if the method has the wrong return type it is
+	// not called.
+	ok = false
+	a = NewDirectorFoo(&MyFoo2{})
+	b = Launder(a)
+	e := b.Pong()
+	if e != "Foo::pong();"+"Foo::ping()" {
+		panic(e)
+	}
+
+	// Check that the director can return an exception which
+	// requires two arguments to the constructor, without mangling
+	// it.
+	ok = false
+	a = NewDirectorFoo(&MyFoo3{})
+	b = Launder(a)
+	func() {
+		defer func() {
+			e := recover()
+			if e.(*Exception).msg == "foobar" {
+				ok = true
+			} else {
+				panic("Unexpected error message: " + e.(string))
+			}
+		}()
+		b.Pong()
+	}()
+	if !ok {
+		panic(0)
+	}
+
+	func() {
+		defer func() {
+			e := recover()
+			_ = e.(Exception2)
+		}()
+		panic(NewException2())
+	}()
+
+	func() {
+		defer func() {
+			e := recover()
+			_ = e.(Exception1)
+		}()
+		panic(NewException1())
+	}()
+}