[PATCH] D38835: [refactor] selection: new CodeRangeASTSelection represents a set of selected consecutive statements

[Haojian Wu via Phabricator via cfe-commits]

hokein accepted this revision.
hokein added a comment.
This revision is now accepted and ready to land.

LGTM.



================
Comment at: unittests/Tooling/ASTSelectionTest.cpp:688
+      Source, {2, 2}, None,
+      [](SourceRange SelectionRange, Optional<SelectedASTNode> Node) {
+        EXPECT_TRUE(Node);
----------------
arphaman wrote:
> hokein wrote:
> > I'm a bit confused here, if the selection range is none/empty,  shouldn't `SelectedASTNode` be empty?
> > 
> > If this behavior is intended, I'd suggest documenting it in `findSelectedASTNodesWithRange`.
> No, the AST selection will work even with a cursor location, hence it won't be empty.
> 
> However, the CodeRangeASTSelection requires a non-empty selection range, so it won't work with just cursors.
I see, thanks.

> the AST selection will work even with a cursor location, hence it won't be empty.

Is this documented somewhere in the code? I couldn't find any comments in the definition of `findSelectedASTNodesWithRange` or `findSelectedASTNodes` in this file.  Would be nice to document it although this is a test API, so that it won't confuse future code readers.


Repository:
  rL LLVM

https://reviews.llvm.org/D38835