cxx11.cc (struct datum): New.

	* testsuite/libstdc++-prettyprinters/cxx11.cc (struct datum):
	New.
	(global): New global.
	(main): Add test for unique_ptr.
	* python/libstdcxx/v6/printers.py
	(UniquePointerPrinter.to_string): Extract the pointer and also
	print its type.

From-SVN: r190417

libstdc++-v3/ChangeLog

+2012-08-15  Tom Tromey  <tromey@redhat.com>
+
+	* testsuite/libstdc++-prettyprinters/cxx11.cc (struct datum):
+	New.
+	(global): New global.
+	(main): Add test for unique_ptr.
+	* python/libstdcxx/v6/printers.py
+	(UniquePointerPrinter.to_string): Extract the pointer and also
+	print its type.
+
 2012-08-13  David Adler  <d.adler.s@gmail.com>
 
 	PR libstdc++/54185

libstdc++-v3/python/libstdcxx/v6/printers.py

@@ -71,7 +71,9 @@ class UniquePointerPrinter:
         self.val = val
 
     def to_string (self):
-        return self.val['_M_t']
+        v = self.val['_M_t']['_M_head_impl']
+        return ('std::unique_ptr<%s> containing %s' % (str(v.type.target()),
+                                                       str(v)))
 
 class StdListPrinter:
     "Print a std::list"

libstdc++-v3/testsuite/libstdc++-prettyprinters/cxx11.cc

@@ -48,6 +48,14 @@ use(const T &container)
     placeholder(*i);
 }
 
+struct datum
+{
+  std::string s;
+  int i;
+};
+
+std::unique_ptr<datum> global;
+
 int
 main()
 {
@@ -86,6 +94,11 @@ main()
   uoms.insert(5);
 // { dg-final { note-test uoms {std::unordered_multiset with 1 elements = {[0] = 5}} } }
 
+  std::unique_ptr<datum> uptr (new datum);
+  uptr->s = "hi bob";
+  uptr->i = 23;
+// { dg-final { regexp-test uptr {std::unique_ptr.datum. containing 0x.*} } }
+
   placeholder(""); // Mark SPOT
   use(efl);
   use(fl);
@@ -93,6 +106,8 @@ main()
   use(eumm);
   use(eus);
   use(eums);
+  use(uoms);
+  use(uptr->s);
 
   return 0;
 }