> Mo
On Fri, May 6, 2011 at 4:48 PM, Francois Pichet <[email protected]> wrote:
> Author: fpichet
> Date: Fri May 6 15:48:22 2011
> New Revision: 131014
>
> URL: http://llvm.org/viewvc/llvm-project?rev=131014&view=rev
> Log:
> Add support for Microsoft __if_exists and __if_not_exists construct inside
> function definition.
> Allow to include or exclude code depending on if a symbol exists or not. Just
> like a #ifdef but for C/C++ symbols.
>
> More doc: http://msdn.microsoft.com/en-us/library/x7wy9xh3(v=VS.100).aspx
>
> Support at class and namespace scopes will be added later.
I am already expecting this comment so i'll answer:
__if_exists doesn't introduce a new scope for the { }
Example, given:
code1;
__if_exists(SYMBOL) {
code2;
}
code3;
if SYMBOL exists, this is equivalent to
code1;
code2;
code3
if SYMBOL doesn't exist then:
code1;
code3;
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