[D] nspace support.

As for C# and Java, this doesn't work for free functions/variables yet.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12534 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/d/nspace_extend_runme.1.d

@@ -0,0 +1,32 @@
+module nspace_extend_runme;
+
+static import oi1c = nspace_extend.Outer.Inner1.Color;
+static import oi2c = nspace_extend.Outer.Inner2.Color;
+
+void main() {
+  {
+    // constructors and destructors
+    scope color1 = new oi1c.Color();
+    scope color = new oi1c.Color(color1);
+
+    // class methods
+    color.colorInstanceMethod(20.0);
+    oi1c.Color.colorStaticMethod(20.0);
+    auto created = oi1c.Color.create();
+  }
+  {
+    // constructors and destructors
+    scope color2 = new oi2c.Color();
+    scope color = new oi2c.Color(color2);
+
+    // class methods
+    color.colorInstanceMethod(20.0);
+    oi2c.Color.colorStaticMethod(20.0);
+    auto created = oi2c.Color.create();
+
+    // Same class different namespaces
+    auto col1 = new oi1c.Color();
+    auto col2 = oi2c.Color.create();
+    col2.colors(col1, col1, col2, col2, col2);
+  }
+}