Make goto work with await

Created together with @langsamer and @davidhalter

AUTHORS.txt

@@ -44,6 +44,7 @@ Mathias Rav (@Mortal) <rav@cs.au.dk>
 Daniel Fiterman (@dfit99) <fitermandaniel2@gmail.com>
 Simon Ruggier (@sruggier)
 Élie Gouzien (@ElieGouzien)
-
+Robin Roth (@robinro)
+Malte Plath (@langsamer)
 
 Note: (@user) means a github user name.

jedi/evaluate/__init__.py

@@ -249,6 +249,8 @@ class Evaluator(object):
                 else:
                     i = trailer.parent.children.index(trailer)
                     to_evaluate = trailer.parent.children[:i]
+                    if to_evaluate[0] == 'await':
+                        to_evaluate.pop(0)
                     context_set = context.eval_node(to_evaluate[0])
                     for trailer in to_evaluate[1:]:
                         context_set = eval_trailer(context, context_set, trailer)

jedi/evaluate/helpers.py

@@ -89,6 +89,10 @@ def evaluate_call_of_leaf(context, leaf, cut_own_trailer=False):
         base = power.children[0]
         trailers = power.children[1:cut]
 
+    if base == 'await':
+        base = trailers[0]
+        trailers = trailers[1:]
+
     values = context.eval_node(base)
     from jedi.evaluate.syntax_tree import eval_trailer
     for trailer in trailers:

test/completion/async_.py

@@ -23,3 +23,14 @@ async def x2():
     async with open('asdf') as f:
         #? ['readlines']
         f.readlines
+
+class A():
+    @staticmethod
+    async def b(c=1, d=2):
+        return 1
+
+#! 9 ['def b']
+await A.b()
+
+#! 11 ['param d=2']
+await A.b(d=3)