On Nov 19, 2008, at 11:59 PM, Ted Kremenek wrote:
>
> On Nov 19, 2008, at 11:26 PM, Chris Lattner wrote:
>
>>>
>>> /// #included, and macros currently being expanded from, not
>>> counting
>>> /// CurLexer/CurTokenLexer.
>>> struct IncludeStackInfo {
>>> - Lexer *TheLexer;
>>> + Lexer *TheLexer;
>>> + PTHLexer *ThePTHLexer;
>>> + PreprocessorLexer *ThePPLexer;
>>> + TokenLexer *TheTokenLexer;
>>> const DirectoryLookup *TheDirLookup;
>>
>> Do you plan to kill off ThePTHLexer/TheLexer? We should just need
>> ThePPLexer eventually.
>
> Maybe. Depends on the overhead of doing virtual calls versus
> relying on the branch predicator to make things fast.
If the cost is only paid when you enter/exit a function, it probably
won't be noticable at all.
-Chris
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