Fix issues with error correction / newline correction.

test/test_parser/test_parser.py

@@ -163,3 +163,19 @@ def test_newline_positions():
     new_line = endmarker.get_previous()
     assert new_line.start_pos == (1, 1)
     assert new_line.end_pos == (2, 0)
+
+
+def test_end_pos_error_correction():
+    """
+    Source code without ending newline are given one, because the Python
+    grammar needs it. However, they are removed again. We still want the right
+    end_pos, even if something breaks in the parser (error correction).
+    """
+    s = 'def x():\n .'
+    m = Parser(load_grammar(), s).module
+    func = m.children[0]
+    assert func.type == 'funcdef'
+    # This is not exactly correct, but ok, because it doesn't make a difference
+    # at all. We just want to make sure that the module end_pos is correct!
+    assert func.end_pos == (3, 0)
+    assert m.end_pos == (2, 2)