Fix an issue with end_pos of a module.

jedi/parser/__init__.py

@@ -232,10 +232,19 @@ class Parser(object):
         endmarker = self._parsed.children[-1]
         # The newline is either in the endmarker as a prefix or the previous
         # leaf as a newline token.
-        if endmarker.prefix.endswith('\n'):
-            endmarker.prefix = endmarker.prefix[:-1]
-            last_line = re.sub('.*\n', '', endmarker.prefix)
-            endmarker._start_pos = endmarker._start_pos[0] - 1, len(last_line)
+        prefix = endmarker.prefix
+        if prefix.endswith('\n'):
+            endmarker.prefix = prefix = prefix[:-1]
+            last_end = 0
+            if '\n' not in prefix:
+                # Basically if the last line doesn't end with a newline. we
+                # have to add the previous line's end_position.
+                try:
+                    last_end = endmarker.get_previous_leaf().end_pos[1]
+                except IndexError:
+                    pass
+            last_line = re.sub('.*\n', '', prefix)
+            endmarker._start_pos = endmarker._start_pos[0] - 1, last_end + len(last_line)
         else:
             try:
                 newline = endmarker.get_previous_leaf()
@@ -251,6 +260,7 @@ class Parser(object):
                         # will be no previous leaf. So just ignore it.
                         break
                 elif newline.value != '\n':
+                    # TODO REMOVE, error recovery was simplified.
                     # This may happen if error correction strikes and removes
                     # a whole statement including '\n'.
                     break

test/test_api/test_call_signatures.py

@@ -369,3 +369,11 @@ def test_different_caller():
 
     assert_signature('(str)(', 'str', 0)
     assert_signature('(str)()', 'str', 0, column=len('(str)('))
+
+
+def test_in_function():
+    code = dedent('''\
+    class X():
+        @property
+        def func(''')
+    assert not Script(code).call_signatures()

test/test_parser/test_get_code.py

@@ -103,3 +103,5 @@ def test_end_newlines():
     test('a\n#comment', (2, 8))
     test('a#comment', (1, 9))
     test('def a():\n pass', (2, 5))
+
+    test('def a(', (1, 6))