[cfe-dev] Visitor Question

[David Blaikie]

On Mon, Aug 6, 2012 at 9:20 AM, Socrates Katsoulacos
<socrates.katsoulacos11 at imperial.ac.uk> wrote:
> Dear Sir/Madam,
>
> I am implementing a code that typechecks C source code.
> At some point in my program I used the following function in order to visit
> all functions and their bodies.
>
>       // Function (declaration and body) visitor.
>       void VisitFunctionDecl(FunctionDecl *D) {
>  BaseDeclVisitor::VisitFunctionDecl(D);
>  if (D->isThisDeclarationADefinition()) {
>             BaseStmtVisitor::Visit(D->getBody());
>
>  }
>       }
>
> The problem that I have is that if I test a C source file that has function
> calls to another file which contains the declaration and body of the
> functions, then it does not give me back the body of these functions.
> As a result it tests only functions that their body is specified in the same
> source file that I am testing.
> Any suggestions on how can I retrieve the functions bodies of these
> functions that are specified in other files ?

Clang works per-TU. You'd have to implement your own storage to
gather/inspect cross-TU facts, as far as I know.

- David

>
> Sincerely yours,
>
> Socrates
>
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