added friend support and reduced spurious name(kw) warnings for non-wrapped symbols

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@5624 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/test-suite/name_warnings.i

@@ -0,0 +1,54 @@
+%module name_warnings
+/*
+  This test should produce no warnings at all.
+
+  It just show the cases where swig was showing unintended warnings
+  before.
+
+  Right now the test includes some cases for python, java and csharp.
+
+*/
+
+/* activate all the name warnings */
+#pragma SWIG nowarn=+315,+321,-403
+
+%inline 
+{
+  class string; // csharp keyword
+  class complex; // python built-in
+
+  namespace std 
+  {    
+    class complex;
+    class string;
+  }
+
+  typedef complex None;  // python built-in
+  
+  struct A 
+  {
+    typedef complex None;
+    
+    A* clone(int);
+    
+    virtual ~A();
+    virtual int func() = 0;
+  private:
+     typedef complex False;
+  };
+
+  template <class T>
+    T max (T a, T b) { // python 'max' built-in
+    return a > b ? a : b;
+  }  
+
+  struct B : A
+  {
+    B()
+    {
+    }
+  };
+  
+}
+
+%template(max_i) max<int>;