alexshap added a subscriber: ioeric.

================
Comment at: clang-reorder-fields/ReorderFieldsAction.h:31
@@ +30,3 @@
+
+public:
+  ReorderFieldsAction(
----------------
alexshap wrote:
> djasper wrote:
> > I don't why clang-rename does what it does at the moment. My main point is 
> > that we have already implemented splitting up replacements by file in 
> > groupByReplacementsByFile. No need to reimplement that here or make the 
> > interface of this function more complex than it needs to be.
> sorry, i am not sure i got ur comment - need to think  - maybe i am too 
> sleepy - 
> the issue is not with clang-rename, but with class RefactoringTool
> and more precisely with the method the method getReplacements.
pls, take a look at my previous comments (especially regarding the diff 
https://reviews.llvm.org/D21748?id=64016.)
 
meanwhile: 
http://clang.llvm.org/doxygen/Replacement_8h_source.html

  **/// \brief Adds a new replacement \p R to the current set of replacements.
  160   /// \p R must have the same file path as all existing replacements. **
  161   /// Returns true if the replacement is successfully inserted; otherwise,
  162   /// it returns an llvm::Error, i.e. there is a conflict between R and 
the
  163   /// existing replacements or R's file path is different from the 
filepath of
  164   /// existing replacements. Callers must explicitly check the Error 
returned.
  165   /// This prevents users from adding order-dependent replacements. To 
control
  166   /// the order in which order-dependent replacements are applied, use
  167   /// merge({R}) with R referring to the changed code after applying all
  168   /// existing replacements.
  169   /// Replacements with offset UINT_MAX are special - we do not detect 
conflicts
  170   /// for such replacements since users may add them intentionally as a 
special
  171   /// category of replacements.
  172   llvm::Error add(const Replacement &R);

at this point it seems like groupReplacementsByFile was made redundant by 
https://reviews.llvm.org/D21748

@ioeric, could u comment on this ?  I apologize in advance - i might be missing 
smth / might be to sleepy. Will take a look at this again tomorrow

P.S. just in case - ReorderingFieldsAction can change different files 
(including headers etc) - so i simply can not use a single Replacements object


Repository:
  rL LLVM

https://reviews.llvm.org/D23279



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