Exception spec seems ambigous to me..

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2 total messages Started by bs Mon, 05 Feb 1996 23:28

#3260

Author: bs
Date: Mon, 05 Feb 1996 23:28

33 lines
1533 bytes

Article 15941 of comp.std.c++:


David Byrden <100101.2547@compuserve.com> writes

 > These questions do not seem to be unambigously answered by the September 
 > draft;
 > 
 > Is an exception considered caught when it is handled by a handler
 > whose exception-declaration is the ellipsis ... ? 

Yes: sec 15.3:

	"An exception is considered handled upon entry to a handler."

(This text appears in every description of exceptions, including the ARM.)

 > Will  uncaught_exception()  return false when you are in such a handler?

Yes. Immediately upon entry into a handler, there can be no uncaught
exception (you just caught it).

 > Most importantly, can such a handler call functions which themselves
 > thrown and catch exceptions internally?

Certainly. There are no language-imposed restrictions on what code you
can write in a handler.

	- Bjarne
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Re: Exception spec seems ambigous to me..

#3303

Author: David Byrden
Date: Thu, 08 Feb 1996 04:40

22 lines
1350 bytes

>>  "An exception is considered handled upon entry to a handler."
>> (This text appears in every description of exceptions, including the 
>>  ARM.)


Thank you. My confusion was caused by 15.1.6

"...An  exception is considered caught when initialization is complete for
  the formal parameter of the corresponding catch clause..."

It seemed to me that an ellipsis did not fit the description "formal 
parameter".

                         David



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