<rdar://problem/12462744> Implement a new SBDeclaration class to wrap an lldb_private::Declaration - make a GetDeclaration() API on SBValue to return a declaration. This will only work for vroot variables as they are they only objects for which we currently provide a valid Declaration

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@165672 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/scripts/Python/python-extensions.swig b/scripts/Python/python-extensions.swig
index 19868fb..89ad1b2 100644
--- a/scripts/Python/python-extensions.swig
+++ b/scripts/Python/python-extensions.swig
@@ -111,6 +111,20 @@
                     return PyString_FromString("");
         }
 }
+%extend lldb::SBDeclaration {
+        PyObject *lldb::SBDeclaration::__str__ (){
+                lldb::SBStream description;
+                $self->GetDescription (description);
+                const char *desc = description.GetData();
+                size_t desc_len = description.GetSize();
+                if (desc_len > 0 && (desc[desc_len-1] == '\n' || desc[desc_len-1] == '\r'))
+                    --desc_len;
+                if (desc_len > 0)
+                    return PyString_FromStringAndSize (desc, desc_len);
+                else
+                    return PyString_FromString("");
+        }
+}
 %extend lldb::SBError {
         PyObject *lldb::SBError::__str__ (){
                 lldb::SBStream description;