From 71a485fdb6d8dbbf63e80894905227170c1275e1 Mon Sep 17 00:00:00 2001
From: sulyi <sulyi.gbox@gmail.com>
Date: Fri, 25 Nov 2016 22:41:33 +0100
Subject: [PATCH] [jsinterp] Complex call test  (thx to yan12125)

---
 test/test_jsinterp.py  | 6 ++++++
 youtube_dl/jsinterp.py | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/test/test_jsinterp.py b/test/test_jsinterp.py
index ceaf36d30..9897c3db2 100644
--- a/test/test_jsinterp.py
+++ b/test/test_jsinterp.py
@@ -113,6 +113,12 @@ class TestJSInterpreter(unittest.TestCase):
         self.assertEqual(jsi.call_function('z'), 5)
         jsi = JSInterpreter('function x(a) { return a.split(""); }', objects={'a': 'abc'})
         self.assertEqual(jsi.call_function('x'), ["a", "b", "c"])
+        jsi = JSInterpreter('''
+                function a(x) { return x; }
+                function b(x) { return x; }
+                function c()  { return [a, b][0](0); }
+                ''')
+        self.assertEqual(jsi.call_function('c'), 0)
 
     def test_getfield(self):
         jsi = JSInterpreter('function c() { return a.var; }', objects={'a': {'var': 3}})
diff --git a/youtube_dl/jsinterp.py b/youtube_dl/jsinterp.py
index 86b4f5488..35d2c535f 100644
--- a/youtube_dl/jsinterp.py
+++ b/youtube_dl/jsinterp.py
@@ -58,7 +58,7 @@ _LITERAL_RE = r'((?P<int>%(int)s)|(?P<float>%(float)s)|(?P<str>%(str)s)|(?P<bool
 
 # _ARRAY_RE = r'\[(%(literal)s\s*,\s*)*(%(literal)s\s*)?\]' % {'literal': _LITERAL_RE}
 # _VALUE_RE = r'(?:%(literal)s)|(%(array)s)' % {'literal': _LITERAL_RE, 'array': _ARRAY_RE}
-_CALL_RE = r'\.?%(name)s\s*\(' % {'name': _NAME_RE}  # function or method!
+_CALL_RE = r'\.?(%(name)s)?\s*\(' % {'name': _NAME_RE}  # function or method!
 
 _COMMENT_RE = r'/\*(?:(?!\*/)(?:\n|.))*\*/'