Create subReaders lazily
Should improve memory usage
diff --git a/Lib/fontTools/ttLib/tables/otBase.py b/Lib/fontTools/ttLib/tables/otBase.py
index 4fcc411..f3876f4 100644
--- a/Lib/fontTools/ttLib/tables/otBase.py
+++ b/Lib/fontTools/ttLib/tables/otBase.py
@@ -585,8 +585,9 @@
def ensureDecompiled(self):
if self.compileStatus != 1:
return
- self.decompile(self.reader, self.font)
- del self.reader, self.font
+ subReader = self.reader.getSubReader(self.offset)
+ self.decompile(subReader, self.font)
+ del self.reader, self.font, self.offset
def preCompile(self):
pass # used only by the LookupList class