[cfe-dev] Clang: get list of defined macro

[Manuel Klimek]

On Mon, Oct 29, 2012 at 7:28 PM, GabrieleCocco <cocco at di.unipi.it> wrote:

> I think I found out something for my purpose. The macro should be
> CLVM_DEBUG.
>
>         IdentifierInfo& info = Context.Idents.get("CLVM_DEBUG");
>         if(info.hasMacroDefinition()) {
>             ...
>         }
>

That looks correct.


>         else {
>              // Find SourceLocation of the first/last #define and add
> CLVM_DEBUG definition
>         }
>
> Is it safe to do this?
> I'm still wondering how to implement the else branch.
>

Well, that seems not solvable in general, but in a code base that has some
style rules, it might be solvable "well enough".

Cheers,
/Manuel


>
>
>
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