etienneb added a comment.
> I agree that when possible, matchers should be available via the dynamic
> matchers API. It doesn't seem overly complicated to add this support here. As
> far as I understand, we just need to register the matcher in
> lib/ASTMatchers/Dynamic/Registry.cpp and add support for `CastKind` argument
> type (by adding a corresponding `ArgTypeTraits` instantiation). Etienne, can
> you try this?
1. The parameter is passed as a string (which is not the case for the
hasCastKind matcher): hasAttr("attr::CUDADevice").
2. There is no easy way to list every cast kind. Which means we need to
hardcode them (or iterate over the domain) [both solution sounds terrible to
me].
static clang::CastKind getCastKind(llvm::StringRef AttrKind) {
return llvm::StringSwitch<clang::CastKind>(AttrKind)
.Case("CK_Dependent", CK_Dependent)
[...] <<-- list every cast kind here.
.Default(clang::CastKind(-1));
}
So even if the above solution is working, we still need to call it that way (as
a string):
clang-query> match castExpr(hasCastKind("CK_Dependent"))
http://reviews.llvm.org/D19871
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