Support parsing of constructs like T[]?.

lib/dom/scripts/idlparser.py

Index: lib/dom/scripts/idlparser.py
diff --git a/lib/dom/scripts/idlparser.py b/lib/dom/scripts/idlparser.py
index 4267e74adda34ef29773713c2fae175417a85572..038acd00f45c4af80b0ee2e42bdbbbac93846178 100755
--- a/lib/dom/scripts/idlparser.py
+++ b/lib/dom/scripts/idlparser.py
@@ -287,12 +287,16 @@ class IDLParser(object):
       return re.compile(r'(\[\])+')
 
     def _Type():
-      return [OR(AnyType, ObjectType, _NullableType), MAYBE(ArrayModifiers)]
-
-    def _NullableType():
-      return [OR(_IntegerType, BooleanType, OctetType, FloatType,
-             DoubleType, SequenceType, ScopedName),
-          MAYBE(Nullable)]
+      return OR(
+          [AnyType, MAYBE([ArrayModifiers, MAYBE(Nullable)])],

[podivilov, 2012/07/06 15:15:28]

Why special case for AnyType?

[Anton Muhin, 2012/07/06 15:16:44]

Per WebIDL spec any is not nullable.

[podivilov, 2012/07/06 15:24:48]

This structure is too big to parse. Please keep _NullableType function, just
remove MAYBE(Nullable) part from it.

+          [
+            OR(
+              _IntegerType, BooleanType, OctetType, FloatType, DoubleType,
+              ObjectType, SequenceType, ScopedName

[podivilov, 2012/07/06 15:15:28]

Why ObjectType became nullable?

[Anton Muhin, 2012/07/06 15:16:44]

I found no references in the spec that it shouldn't be.  If you'd like to
separate those two issues, I'll move Object to any.

+            ),
+            MAYBE(ArrayModifiers),
+            MAYBE(Nullable),
+          ])
 
     def Nullable():
       return '?'