On 02 May 2010, at 13:46, Bihar Anwar wrote: > On May 2, 2010 4:24:37 PM, Jonas Maebe wrote: > > >> The reference counting logic is considered to be an opaque implementation >> detail (whose implementation can change at any time). It is undocumented by >> design. > > In fact, it was already documented in detail in FPC Language Reference Guide: > 3.2.4 Ansistrings; 3.3.1 Arrays: Dynamic Array; 7.6 Reference counting.
And the last one explicitly states "No assumptions should be made about the number of temporary variables or the time when they are finalized". > Moreover, I've seen many Delphi code snippets out there (e.g. > http://www.cs.wisc.edu/~rkennedy/array-delete) rely on reference counting > behaviour. I know, we've had bug reports about that in the past. Such code is simply broken. See e.g. http://bugs.freepascal.org/view.php?id=15526 and http://bugs.freepascal.org/view.php?id=9472 Jonas_______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
