Report errors in ANTLRFileStream. #2102
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Change the initializer to ANTLRFileStream so that it throws any errors that occur while reading the file. Previously, it was just dropping any errors on the floor (inside Utils.readFile). Remove Utils.readFile, it's not used anywhere else.
ewanmellor
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Change the initializer to ANTLRFileStream so that it throws any errors that
occur while reading the file. Previously, it was just dropping any errors on
the floor (inside Utils.readFile).
Remove Utils.readFile, it's not used anywhere else.