Added initial support for C++0x decltype().

Added testcase cpp0x_decltype.


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/gsoc2009-matevz@11525 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/common.mk

@@ -411,7 +411,8 @@ CPP0X_TEST_CASES = \
 	cpp0x_rvalue_reference \
 	cpp0x_variadic_templates \
         cpp0x_alternate_function_syntax \
-	cpp0x_userdefined_literals
+	cpp0x_userdefined_literals \
+	cpp0x_decltype
 #	cpp0x_hash_types # not fully implemented yet
 #	cpp0x_lambda_functions      # not supported by GCC or MSVC yet
 #	cpp0x_null_pointer_constant # not supported by any compilers yet

Examples/test-suite/cpp0x_decltype.i

@@ -0,0 +1,19 @@
+/* This testcase checks whether Swig correctly uses the new 'decltype()'
+   introduced in C++0x.
+*/
+%module cpp0x_decltype
+
+%inline %{
+class A {
+public:
+        int i;
+        decltype(i) j;
+        
+        auto foo( decltype(i) a ) -> decltype(i) {
+                if (a==5)
+                        return 10;
+                else
+                        return 0;
+        }
+};
+%}

Examples/test-suite/python/cpp0x_decltype_runme.py

@@ -0,0 +1,19 @@
+import cpp0x_decltype
+
+a = cpp0x_decltype.A()
+a.i = 5
+if a.i != 5:
+	raise RuntimeError, "Assignment to a.i failed."
+
+a.j = 10
+if a.j != 10:
+	raise RuntimeError, "Assignment to a.j failed."
+
+b = a.foo(5)
+if b != 10:
+	raise RuntimeError, "foo(5) should return 10."
+
+b = a.foo(6)
+if b != 0:
+	raise RuntimeError, "foo(6) should return 0."
+