proc getModuleName(conf: ConfigRef; n: PNode): string {...}{.
    raises: [OSError, Exception, ValueError, IOError, ERecoverableError],
    tags: [ReadEnvEffect, ReadIOEffect, RootEffect, WriteIOEffect].}

proc checkModuleName(conf: ConfigRef; n: PNode; doLocalError = true): FileIndex {...}{.raises: [
    OSError, Exception, ValueError, IOError, ERecoverableError, KeyError], tags: [
    ReadEnvEffect, ReadIOEffect, RootEffect, WriteIOEffect, ReadDirEffect].}