[PATCH] Refactoring, update MacroInfo interface so a for range can be used to iterate through the tokens

[Alexander Kornienko]

Sorry for the delay. I was on vacation.

Please address the comment and this should be fine to submit unless Richard has any comments.


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Comment at: include/clang/Lex/MacroInfo.h:247
@@ -246,2 +246,3 @@
   bool tokens_empty() const { return ReplacementTokens.empty(); }
+  const ArrayRef<Token> tokens() const { return ReplacementTokens; }
 
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ArrayRef is pretty const on its own (in the sense that it doesn't allow modification of the elements in the range), so an extra const before ArrayRef<...> is not needed here.

http://reviews.llvm.org/D9079

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