lebedev.ri added inline comments.
================
Comment at: include/clang/AST/Expr.h:2928
+ bool getIsPartOfExplicitCast() const {
+ return CastExprBits.PartOfExplicitCast;
----------------
rsmith wrote:
> Please also rename this to`isPartOfExplicitCast` as requested on IRC.
Right, sorry.
================
Comment at: lib/Sema/SemaCast.cpp:97
while ((CE = dyn_cast<ImplicitCastExpr>(CE->getSubExpr())))
- CE->setIsPartOfExplicitCast(true);
+ dyn_cast<ImplicitCastExpr>(CE)->setIsPartOfExplicitCast(true);
}
----------------
rsmith wrote:
> lebedev.ri wrote:
> > lebedev.ri wrote:
> > > erichkeane wrote:
> > > > I think I'd prefer just using a different variable in the 'while' loop
> > > > to avoid the cast. something like while((auto ICE =....
> > > >
> > > > That said, either way this isn't a dyn_cast, this would be just a cast
> > > > (since we KNOW the type).
> > > I was trying to avoid having one extra variable, which may confuse things.
> > > Let's see maybe it's not that ugly..
> > Indeed, `cast<>` should be used.
> > But trying to avoid this cast at all results in uglier code, so let's not.
> > (I need to call `getSubExpr()` on this new `ImplicitCastExpr`, so i'd need
> > to maintain two variables, etc...)
> Maybe something like:
> ```
> for (auto *Next = CE->getSubExpr(); auto *ICE =
> dyn_cast<ImplicitCastExpr>(Next); Next = ICE->getSubExpr())
> ICE->setIsPartOfExplicitCast(true);
> ```
> or just
> ```
> for (; auto *ICE = dyn_cast<ImplicitCastExpr>(CE->getSubExpr()); CE = ICE)
> ICE->setIsPartOfExplicitCast(true);
> ```
Oh wow, one can define variables not just in the "init-statement", how did i
not notice this earlier?!
That changes the picture indeed.
Repository:
rC Clang
https://reviews.llvm.org/D49838
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