[fpc-devel] Object checks

Pierre Muller pierre at freepascal.org
Fri May 5 13:54:28 CEST 2017

Hi Colin,

Le 30/04/2017 à 10:53, C Western a écrit :
> If I may, a couple of queries about code generated for object checking 
> when range checks are on (-Cr):
> An explicit check for nil is generated, which seems redundant, as any 
> attempt to use the value will generate a SIGSEGV anyway on most 
> platforms, or am I missing something?
> If the fpc_check_object fails it calls RunError, which forces the 
> application to terminate, whereas a SIGSEGV will raise an exception and 
> give the user the option of continuing (at least in an LCL app). Is 
> there any reason why fpc_check_object does not call HandleError?

  Thanks for the suggestion,

  I applied a patch in commit 36113 to trunk that
substitutes RunError with HandleError.
It has been applied to three functions:
fpc_help_destructor, fpc_check_object and fpc_check_object_ext


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