Re: Unusual try...catch behavior
What's even strange is that - I have this function being called from another
function in a for loop. That for loop runs over all elements of vector of
std::string using iterator. When I ran this test, that vector had size of 2.
This function was being called for first element from vector, when I expected
it to throw an exception. HOWEVER, after executing throw when it continued to
next statement, input parameter userId was filled with next element of the
vector from calling function.
"Yogi Watcher" wrote:
Yes, I have exceptions enabled. I am using exceptions all over my program.
All other exceptions are working as they should....only this function is not
throwing exception properly.
BTW I am using visual studio 2003.
"Victor Bazarov" wrote:
Yogi Watcher wrote:
In my program I have following C++ function:
===========================
extern void
getUserEmailAddress (
std::string &userId,
stringSet &emailAddresses
)
{
int ifail = ITK_ok ;
tag_t userTag = NULLTAG ;
if ((ifail = SA_find_user (userId.c_str (), &userTag)) != ITK_ok)
{
throw (SOTTcEngException (ifail)) ;
}
if (userTag == NULLTAG)
{
throw (SOTTcEngException (SA_finding_user)) ;
}
getUserEmailAddress (userTag, emailAddresses) ;
}
===========================
I expect that if the function "SA_find_user" returns ITK_ok, but
userTag is still NULLTAG, function should throw an exception
"SOTTcEngException (SA_finding_user)".
But what I have seen is that function does throw an exception, but
instead
of coming out of the function and entering catch block of the calling
function, execution continues to next statement of
"getUserEmailAddress (userTag, emailAddresses)"...as if that throw
statement is an empty statement.
I have seen this behavior wheather I am debugging through visual
studio or executing normally without debugging.
Why program execution continues after throwing an exception? Am I
missing something in the code?
Just a wild guess: are C++ exceptions enabled in your C++ settings?
Check the "Code Generation" page in 'Properties' under C/C++.
V
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