Thursday, 8 October 2009

Using #pragma message directive

Sometimes you would like to remind the user or yourself of something while compiling and there is an option to remind yourself using the #pragma message directive. See the following program:



//Program tested on Microsoft Visual Studio 2008 - Zahid Ghadialy
//Program to show how to remember things using #pragma message
#include<iostream>

using namespace
std;

int
someFunction(int a=0, int b=0)
{

#pragma message("TODO: Coding of someFunction()")
return 0;
}


int
main()
{

someFunction();
return
0;
}

In this case the user wants to remind himself that someFunction() needs to be coded at a later time and hence he uses a preprocessor message statement. The result is when compilation is done, a message will be output as shown below:

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