[EBDT/EBLC] Make them work with TTVisitor

Lib/fontTools/ttLib/tables/E_B_D_T_.py

@@ -398,12 +398,17 @@ def __getattr__(self, attr):
 		# Allow lazy decompile.
 		if attr[:2] == '__':
 			raise AttributeError(attr)
-		if not hasattr(self, "data"):
+		if attr == "data":
 			raise AttributeError(attr)
 		self.decompile()
 		del self.data
 		return getattr(self, attr)
 
+	def ensureDecompiled(self, recurse=False):
+		if hasattr(self, "data"):
+			self.decompile()
+			del self.data
+
 	# Not a fan of this but it is needed for safer safety checking.
 	def getFormat(self):
 		return safeEval(self.__class__.__name__[len(_bitmapGlyphSubclassPrefix):])

Lib/fontTools/ttLib/tables/E_B_L_C_.py

@@ -338,11 +338,15 @@ def __getattr__(self, attr):
 		# Allow lazy decompile.
 		if attr[:2] == '__':
 			raise AttributeError(attr)
-		if not hasattr(self, "data"):
+		if attr == "data":
 			raise AttributeError(attr)
 		self.decompile()
 		return getattr(self, attr)
 
+	def ensureDecompiled(self, recurse=False):
+		if hasattr(self, "data"):
+			self.decompile()
+
 	# This method just takes care of the indexSubHeader. Implementing subclasses
 	# should call it to compile the indexSubHeader and then continue compiling
 	# the remainder of their unique format.