[cfe-commits] [PATCH] Allow PCHReader to be used without having a pre-initialized Preprocessor

[Argyrios Kyrtzidis]

On Jun 17, 2009, at 8:46 PM, Chris Lattner wrote:

>
> On Jun 17, 2009, at 7:46 PM, Eli Friedman wrote:
>
>>> Argiris is working on building some infrastructure around the PCH  
>>> format.
>>> Instead of just using the PCH writer for PCH, we'd like to use it  
>>> for
>>> general AST serialization/deserialization.  To do something like  
>>> "load an
>>> ast and send it to codegen", you really just want to use whatever  
>>> settings
>>> the AST was serialized with.  Seem reasonable?
>>
>> Ah, okay, that makes sense.  Although, what specific uses do you have
>> in mind?  I can only think of a couple off the top of my head: a
>> dist-cc-like thing and an inter-procedural analysis tool.
>
> We'd like to do inter-procedural static analysis and other stuff  
> eventually.  Right now he's working on basic infrastructure: given a  
> symbol identifier, return all the translation units (and the  
> declcontext within them) that use/def it.  Things like IP static  
> analysis will build on top of this basic infrastructure.

Yep, with the awesome PCH implementation by Doug the sky is the  
limit :-)

-Argiris