[swfinterp] Intepret more multinames

test/swftests/DictCall.as

@@ -0,0 +1,10 @@
+// input: [{"x": 1, "y": 2}]
+// output: 3
+
+package {
+public class DictCall {
+    public static function main(d:Object):int{
+    	return d.x + d.y;
+    }
+}
+}

youtube_dl/swfinterp.py

@@ -213,6 +213,10 @@ def __init__(self, file_contents):
                 u30()  # namespace_idx
                 name_idx = u30()
                 self.multinames.append(self.constant_strings[name_idx])
+            elif kind == 0x09:
+                name_idx = u30()
+                u30()
+                self.multinames.append(self.constant_strings[name_idx])
             else:
                 self.multinames.append(_Multiname(kind))
                 for _c2 in range(MULTINAME_SIZES[kind]):
@@ -557,6 +561,11 @@ def resfunc(args):
                         obj = stack.pop()
                         assert isinstance(obj, list)
                         stack.append(len(obj))
+                    elif isinstance(pname, compat_str):  # Member access
+                        obj = stack.pop()
+                        assert isinstance(obj, (dict, _ScopeDict)), \
+                            'Accessing member on %r' % obj
+                        stack.append(obj[pname])
                     else:  # Assume attribute access
                         idx = stack.pop()
                         assert isinstance(idx, int)