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--- WebIDL.py
+++ WebIDL.py
@@ -3391,6 +3391,11 @@ class IDLValue(IDLObject):
# extra normalization step.
assert self.type.isDOMString()
return self
+ elif self.type.isString() and type.isByteString():
+ # Allow ByteStrings to use default value just like
+ # DOMString. No coercion is required here.
+ assert self.type.isDOMString()
+ return self
raise WebIDLError("Cannot coerce type %s to type %s." %
(self.type, type), [location])
@@ -5759,6 +5764,14 @@ class Parser(Tokenizer):
booleanType = BuiltinTypes[IDLBuiltinType.Types.boolean]
p[0] = IDLValue(location, booleanType, p[1])
+ def p_ConstValueByteString(self, p):
+ """
+ ConstValue : BYTESTRING
+ """
+ location = self.getLocation(p, 1)
+ bytestringType = BuiltinTypes[IDLBuiltinType.Types.bytestring]
+ p[0] = IDLValue(location, bytestringType, p[1])
+
def p_ConstValueInteger(self, p):
"""
ConstValue : INTEGER
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