Hi again, > > spent a few moments going over the docs in the manual re: exception > > handling. for some reason it just doesn't seem to be sinking in, as > > nothing i've tried as of yet has managed to stop prog from crashing when > > data in input that's of a different type than program is expecting > > (string as opposed to integer, for example). > > [...] > > - did you include the sysutils unit? > - afaik readln just raises runtime error which is unspecified according to > the docs; eventually an EIOError (or similar if this does not exist) because > this behaviour can be turned on/off with $I+/-. > But to be sure, you might want to catch general exceptions. > - do the following: > > s: String; > i : Integer; > code : Word; > > try > readln(s); > i := StrToInt(s); > catch > on EIOError ... > end;
Obviously it should mean "on EConvertError..." here because StrToInt raises an EConvertError when the string does not represent a valid integer.... (see docs) Not an EIOError, this one probably slipped in because I was talking about catching an I/O Error in the other variants... Sorry, Thomas _______________________________________________ fpc-pascal maillist - [EMAIL PROTECTED] http://lists.freepascal.org/mailman/listinfo/fpc-pascal
