Re: Exception reporting/Logging

From:

Victor Bazarov <v.Abazarov@comAcast.net>

Newsgroups:

comp.lang.c++

Date:

Thu, 29 Jan 2009 13:11:50 -0500

Message-ID:

<glsrh7$amd$1@news.datemas.de>

Raj wrote:

Hi
I am using the follwoing calls to report/log the exceptions of
functions. This works ok. But when the code grows, this makes the code
a lot clumsy. Can you please suggest some ways of smart reporting
using builder.
Thanks
Raj
if(FunctionReturns == Error)
{
    Memo1->Lines->Append("instanceTest->LoadInputImageFile()");
    Memo1->Lines->Append( A2iARC_GetLastError ( ));
    Memo1->Lines->SaveToFile("C:\\Test_Project.txt");
}
else
{
    Memo1->Lines->Append("instanceTest->LoadInputImageFile()");
    Memo1->Lines->Append("OK");
    Memo1->Lines->SaveToFile("C:\\Test_Project.txt");
}

You mean, like

     Memo1->Lines->Append("instanceTest->LoadInputImageFile()");
     Memo1->Lines->Append( FunctionReturns == Error ?
                           A2iARC_GetLastError() : "OK");
     Memo1->Lines->SaveToFile("C:\\Test_Project.txt")

? And I am sure you can wrap it in a function or even a class so there
would be a single call, similar to

     SomeLogger->LogAndSave("instanceTest->LoadInputImageFile()",
                            FunctionReturns, A2iARC_GetLastError);

(the third argument is a function pointer, not a call). The object
'SomeLogger' would be initialised so it remembers the name of the file
to save the lines to...

V
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