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limit of nesting

Posted on 2006-11-23
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Is there any limit of nesting?
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Question by:fatimao
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Infinity08 earned 200 total points
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afaik the MINIMUM nesting limit is (ie. nested {}'s) :

    C89 : 15 levels
    C99 : 127 levels
    C++ : 256

A compiler can use a higher level though.

If you wanted to know about function calls instead, that's limited by the stack size.
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by:fatimao
ID: 18012133
so if i am right these limits are decided and finalized while a language is being designed.

what happens if we write a code that exceeds the limit of nested {}'s ... will that be considered as syntax error ...
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by:Infinity08
ID: 18012195
>> so if i am right these limits are decided and finalized while a language is being designed.
The LOWER limits are prescribed by the C and C++ standards. The specific limit used by your compiler is decided by the compiler, but should be greater than or equal to the lower limit in the standard.

>> what happens if we write a code that exceeds the limit of nested {}'s ... will that be considered as syntax error ...
That depends on your compiler. It might geherate a syntax error, or a runtime error.

In any case, any C++ code that uses more than 256 nested levels is not very good code. 256 is a LOT and very generous !!
If you intend to write code that is gonna approach these limits, think about re-designing your code !
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