Adding prev_sibling, getting self attributes.

jedi/evaluate/helpers.py

@@ -295,11 +295,16 @@ class FakeArray(pr.Array):
 
 class FakeStatement(pr.ExprStmt):
     def __init__(self, values, start_pos=(0, 0), parent=None):
-        p = start_pos
+        self._start_pos = start_pos
         super(FakeStatement, self).__init__([])
         self.values = values
         self.parent = parent
 
+    @property
+    def start_pos(self):
+        """Overwriting the original start_pos property."""
+        return self._start_pos
+
 
 class FakeImport(pr.Import):
     def __init__(self, name, parent, level=0):

jedi/evaluate/param.py

@@ -394,6 +394,7 @@ def _gen_param_name_copy(func, var_args, param, keys=(), values=(), array_type=N
     """
     Create a param with the original scope (of varargs) as parent.
     """
+    print(func, var_args, param, keys, values, array_type)
     if isinstance(var_args, pr.Array):
         parent = var_args.parent
         start_pos = var_args.start_pos

jedi/evaluate/representation.py

@@ -155,13 +155,14 @@ class Instance(use_metaclass(CachedMetaClass, Executed)):
                     # because to follow them and their self variables is too
                     # complicated.
                     sub = self._get_method_execution(sub)
-            print(sub.names_dict.values())
             for name_list in sub.names_dict.values():
                 for name in name_list:
-                    if name.value == self_name:
-                        next = name.next_sibling()
-                        if isinstance(next, pr.Name) and next.is_definition():
-                            names.append(get_instance_el(self._evaluator, self, next))
+                    if name.value == self_name and name.prev_sibling() is None:
+                        trailer = name.next_sibling()
+                        if pr.is_node(trailer, 'trailer') \
+                                and len(trailer.children) == 2:
+                            name = trailer.children[1]  # After dot.
+                            names.append(get_instance_el(self._evaluator, self, name))
 
         for s in self.base.py__bases__(self._evaluator):
             if not isinstance(s, compiled.CompiledObject):

jedi/parser/representation.py

@@ -208,6 +208,18 @@ class _Leaf(Base):
                 except IndexError:
                     return None
 
+    def prev_sibling(self):
+        """
+        The node immediately preceding the invocant in their parent's children
+        list. If the invocant does not have a previous sibling, it is None.
+        """
+        # Can't use index(); we need to test by identity
+        for i, child in enumerate(self.parent.children):
+            if child is self:
+                if i == 0:
+                    return None
+                return self.parent.children[i - 1]
+
     def __repr__(self):
         return "<%s: %s>" % (type(self).__name__, repr(self.value))
 
@@ -1249,6 +1261,10 @@ class Param(object):
         annotation_stmt.parent = self.use_as_parent
         self.annotation_stmt = annotation_stmt
 
+    def __repr__(self):
+        default = '' if self.default is None else '=%s' % self.default
+        return '<%s: %s>' % (type(self).__name__, str(self.tfpdef) + default)
+
 
 class StatementElement(Simple):
     __slots__ = ('next', 'previous')