On Mon, 14 Jan 2008, Damien Gerard wrote:
> > On Jan 14, 2008, at 10:27 AM, Michael Van Canneyt wrote: > > > > > > >On Mon, 14 Jan 2008, Damien Gerard wrote: > > > > > > > >With fpc you can get "myfile.pas(77,47) Warning: Constructing a class > > >"xxxx" > > >with abstract methods" > > >I just would like to know why it is allowed to build classes with abstract > > >methods. AFIK it is different from other compilers and it is a bit strange > > >for > > >me. > > > >Delphi gives exactly the same warning. > > I don't remember that. D:\Temp>dcc32 unit1 Borland Delphi Version 15.0 Copyright (c) 1983,2002 Borland Software Corporation Unit1.pas(32) Warning: Constructing instance of 'TStrings' containing abstract method 'TStrings.Clear' Unit1.pas(32) Warning: Constructing instance of 'TStrings' containing abstract method 'TStrings.Delete' Unit1.pas(32) Warning: Constructing instance of 'TStrings' containing abstract method 'TStrings.Insert' Unit1.pas(32) Hint: Value assigned to 'T' never used Unit1.pas(36) 37 lines, 0.11 seconds, 475 bytes code, 8 bytes data. > > >It is allowed to create such instances: as long as you don't call any of the > >abstract methods, there will be no problem. > > > Is there a way to abort the compilation in this cases instead of a warning ? Currently not. Michael. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
