Mario de Sousa <msousa@fe.up.pt> [Mon, 30 May 2011 17:54:15 +0100] rev 305
When checking semantics of expressions, skip semantic checking of data type definitions
(not yet supported). If we don't skip, all subsequent POUs would not be checked.
Mario de Sousa <msousa@fe.up.pt> [Mon, 30 May 2011 17:52:15 +0100] rev 304
Fixing algorithm that determines bit size of constants containing underscores.