X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fjsinterp.py;h=b4617fbad0fc40323a129ce1218f9f97590c89bb;hb=c24dfef63c55ef1a5424d11b485c3b76245448a4;hp=34e5307faeda30f7f7fb560c8d84027777e17a7b;hpb=825abb81759d76e53127644a45e1d6cb7ff4f654;p=youtube-dl

diff --git a/youtube_dl/jsinterp.py b/youtube_dl/jsinterp.py
index 34e5307fa..b4617fbad 100644
--- a/youtube_dl/jsinterp.py
+++ b/youtube_dl/jsinterp.py
@@ -61,7 +61,7 @@ class JSInterpreter(object):
             pass
 
         m = re.match(
-            r'^(?P<var>[a-z]+)\.(?P<member>[^(]+)(?:\(+(?P<args>[^()]*)\))?$',
+            r'^(?P<var>[$a-zA-Z0-9_]+)\.(?P<member>[^(]+)(?:\(+(?P<args>[^()]*)\))?$',
             expr)
         if m:
             variable = m.group('var')
@@ -98,7 +98,8 @@ class JSInterpreter(object):
                 return argvals[0].join(obj)
             if member == 'reverse':
                 assert len(argvals) == 0
-                return obj[::-1]
+                obj.reverse()
+                return obj
             if member == 'slice':
                 assert len(argvals) == 1
                 return obj[argvals[0]:]
@@ -107,7 +108,7 @@ class JSInterpreter(object):
                 index, howMany = argvals
                 res = []
                 for i in range(index, min(index + howMany, len(obj))):
-                    res.append(obj.pop(i))
+                    res.append(obj.pop(index))
                 return res
 
             return obj[member](argvals)
@@ -129,7 +130,7 @@ class JSInterpreter(object):
             return a % b
 
         m = re.match(
-            r'^(?P<func>[.a-zA-Z$]+)\((?P<args>[a-z0-9,]+)\)$', expr)
+            r'^(?P<func>[a-zA-Z$]+)\((?P<args>[a-z0-9,]+)\)$', expr)
         if m:
             fname = m.group('func')
             argvals = tuple([