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

[Daniel Marjamäki]

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D9079

Files:
  cfe/trunk/include/clang/Lex/MacroInfo.h
  cfe/trunk/lib/Frontend/PrintPreprocessedOutput.cpp

Index: cfe/trunk/lib/Frontend/PrintPreprocessedOutput.cpp
===================================================================
--- cfe/trunk/lib/Frontend/PrintPreprocessedOutput.cpp
+++ cfe/trunk/lib/Frontend/PrintPreprocessedOutput.cpp
@@ -64,12 +64,11 @@
     OS << ' ';
 
   SmallString<128> SpellingBuffer;
-  for (MacroInfo::tokens_iterator I = MI.tokens_begin(), E = MI.tokens_end();
-       I != E; ++I) {
-    if (I->hasLeadingSpace())
+  for (const auto &T : MI.tokens()) {
+    if (T.hasLeadingSpace())
       OS << ' ';
 
-    OS << PP.getSpelling(*I, SpellingBuffer);
+    OS << PP.getSpelling(T, SpellingBuffer);
   }
 }
 
Index: cfe/trunk/include/clang/Lex/MacroInfo.h
===================================================================
--- cfe/trunk/include/clang/Lex/MacroInfo.h
+++ cfe/trunk/include/clang/Lex/MacroInfo.h
@@ -245,6 +245,7 @@
   tokens_iterator tokens_begin() const { return ReplacementTokens.begin(); }
   tokens_iterator tokens_end() const { return ReplacementTokens.end(); }
   bool tokens_empty() const { return ReplacementTokens.empty(); }
+  ArrayRef<Token> tokens() const { return ReplacementTokens; }
 
   /// \brief Add the specified token to the replacement text for the macro.
   void AddTokenToBody(const Token &Tok) {

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