Error :: C1061 compiler limit : blocks nested too deeply

[Le rner]

Hi all, in my program this error C1061 compiler limit : blocks nested too deeply comes,i m using number of if else,please tell me how can i resolve this, thanks in advance.

[Code o mat]

Without seeing your code it is hard to tell, genericly you can either try to re-structure the whole thing, or divide it into multiple functions, or, if everything else fails, -oh my i hope no lightning will strike me now *ducks and covers*- use goto, but as said, without seeing actual code, it is hard to say...

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[Moak]

Please show source code or simplify nesting by refactoring. Have a good weekend.

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[Le rner]

I have a TreeCtrl,with number of Tree items. get currently selected tree item and perform function on it respectively.

CString Tree_str;
BOOL flag;

if(Tree_str==_T("Item 1"))
{
if(flag==TRUE)
{
//do dome work
}
else if(flag==FALSE)
{
//do dome work
}
}

else if(Tree_str==_T("Item 2"))
{
if(flag==TRUE)
{
//do dome work
}
else if(flag==FALSE)
{
//do dome work
}
}

.
.
.
.

else if(Tree_str==_T("Item 140"))
{
if(flag==TRUE)
{
//do dome work
}
else if(flag==FALSE)
{
//do dome work
}
}

[Lost User]

This is nowhere near deep enough to generate that message, I suspect something else is wrong with your source. [edit]Something for the weekend? ... MuraliKrishnaP spotted the obvious point that I missed, which is that you have exceeded the 128 nest limit because of the number of if .. else if statements.[/edit]

It's time for a new signature.

modified on Saturday, August 7, 2010 9:32 AM

[MuraliKrishnaP]

The following code

if(a)
{
}
else if (b)
{
}
else if(c)
{
}

is nothing but

if(a)
{
}
else 
{
	if (b)
	{
	}
	**else // how deep this can go? 128? not sure.**
	{
		if(c)
		{
		}
	}
}

else, you can also do like this. Will this solve your problem?

if(a)
{
	if(flag)
	{
		// do work
	}
	else
	{
		// do work
	}
}

if(b)
{
}

if(c)
{
}

[Luc Pattyn]

You can turn that into a regular switch, here is the scenario in pseudo-code:

int n=extract the number from string Tree_str;
switch (n) {
case 1:
...
break;
case 2:
...
break;
...
}

it will result in less code and faster execution! :)

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Please use <PRE> tags for code snippets, they preserve indentation, and improve readability.

[David Crow]

Shave the levels down to 123 or less.

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