[cfe-dev] Using the clang::SourceManager's after calling clang::ParseAST()
snaroff at apple.com
Thu Oct 30 05:00:02 PDT 2008
On Oct 30, 2008, at 7:43 AM, Paolo Bolzoni wrote:
> I'd like to use clang's AST for global (i.e., compilation-unit-wide)
> analyses. Thus, I plan to make a clang::ASTConsumer derived class
> that collects everything I need and finally analyze the data as a
> After the analysis, in order to produce interesting output messages
> I need to refer to the source files using the clang::SourceLocation.
> As far as I understand, the clang::SourceLocation(s) are just integers
> references that only make sense with respect to the
> which is part of the preprocessor I have to make to parse the file and
> obtain the AST.
> Now, if I use: clang::ParseAST(&PP, *C, false, false) (overriding the
> FreeMemory default parameter) after completing parsing is it true
> that the clang::SourceManager inside PP will still contains all the
> info about the last parsed compilation unit?
Should be fine.
> If so, can I just to keep copies of clang::SourceLocation(s) and use
> them with that source manager?
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