[PATCH] D94031: [ASTMatchers] Fix child traversal over range-for loops

Stephen Kelly via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Tue Jan 5 10:34:57 PST 2021


steveire added inline comments.


================
Comment at: clang/lib/ASTMatchers/ASTMatchFinder.cpp:245
+    ScopedIncrement ScopedDepth(&CurrentDepth);
+    if (!match(*Node->getLoopVariable()) || !match(*Node->getRangeInit()) ||
+        !match(*Node->getBody()))
----------------
aaron.ballman wrote:
> steveire wrote:
> > aaron.ballman wrote:
> > > Should we be traversing the init statement before the loop variable so that the traversals happen in lexical order?
> > Do you mean that in 
> > 
> > ```
> > for (auto i : arr)
> > {
> > }
> > ```
> > 
> > to visit the `arr` before the `auto i`? 
> > 
> > I think visiting the `auto i` before the `arr` makes sense.
> Nope, I mean that in:
> ```
> for (int i = 12; auto j : {1, 2, 3, 4}) {}
> ```
> we should visit the `int i = 12;` before the `auto j`
That was actually missing entirely. Added now.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94031/new/

https://reviews.llvm.org/D94031



More information about the cfe-commits mailing list