On 01/13/2016 01:52 PM, Joerg Bornemann wrote:
Still, as it came up, this argument raises the interesting question what
will happen to users of the clang code model that cannot switch to
(non-standard) pragma once for this or that reason?
What would it take to fix this problem? Can we work around it? Can we
provide an upstream fix?
A fix from Erik is pending for review at http://reviews.llvm.org/D15994
, but so far there were no comments.
Apart from that, I did not understand the problem at all.
The opening #ifndef does match the #endif, doesn't it?
If "matches" means "is balanced with" at least.
As far as I understand:
The preamble includes everything up to the very first declaration (not
including it). Now the rule seems to be that a preamble is only
generated if the preprocessor conditions are balanced *within* the
preamble. In the given example #ifndef is in the preamble region, but
not #endif.
Nikolai
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