Re: variables in a static method

On 5 Jul 1999 13:42:57 -0400, Yale Hu wrote:


>In C++, a static method of class X is shared by all instances of X. So
>the code generated by a compiler for a static method should have only
>one copy in memory at run time, and all instances of the class refers
>to the address when the method gets called.


It seems to be a little bit misunderstanding here. AFAIK, all C++
compilers generate exactly one copy of each method and supplie correct
'this' pointer every time the method is called.


>If the static method defines some variables (e.g. X::M() { char
>v[100]; ...} ), it seems that each call of the method creates a copy
>of the variables. I question is how a compiler allocates the memory
>for the variables,


Just the same way it happens with an ordinary function. In your case
v[100] will be allocated on a stack.


Roman.

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