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

[Daniel Marjamäki]

Use ArrayRef after comment in cfe-commits


http://reviews.llvm.org/D9079

Files:
  include/clang/Lex/MacroInfo.h
  lib/Frontend/PrintPreprocessedOutput.cpp
  tools/extra/modularize/PreprocessorTracker.cpp

Index: include/clang/Lex/MacroInfo.h
===================================================================
--- include/clang/Lex/MacroInfo.h
+++ include/clang/Lex/MacroInfo.h
@@ -244,6 +244,7 @@
   tokens_iterator tokens_begin() const { return ReplacementTokens.begin(); }
   tokens_iterator tokens_end() const { return ReplacementTokens.end(); }
   bool tokens_empty() const { return ReplacementTokens.empty(); }
+  const ArrayRef<Token> tokens() const { return ReplacementTokens; }
 
   /// \brief Add the specified token to the replacement text for the macro.
   void AddTokenToBody(const Token &Tok) {
Index: lib/Frontend/PrintPreprocessedOutput.cpp
===================================================================
--- lib/Frontend/PrintPreprocessedOutput.cpp
+++ 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 Token &T : MI.tokens()) {
+    if (T.hasLeadingSpace())
       OS << ' ';
 
-    OS << PP.getSpelling(*I, SpellingBuffer);
+    OS << PP.getSpelling(T, SpellingBuffer);
   }
 }
 
Index: tools/extra/modularize/PreprocessorTracker.cpp
===================================================================
--- tools/extra/modularize/PreprocessorTracker.cpp
+++ tools/extra/modularize/PreprocessorTracker.cpp
@@ -405,14 +405,13 @@
                                           const clang::MacroArgs *Args) {
   std::string Expanded;
   // Walk over the macro Tokens.
-  typedef clang::MacroInfo::tokens_iterator Iter;
-  for (Iter I = MI->tokens_begin(), E = MI->tokens_end(); I != E; ++I) {
-    clang::IdentifierInfo *II = I->getIdentifierInfo();
+  for (const clang::Token &T : MI->tokens()) {
+    clang::IdentifierInfo *II = T.getIdentifierInfo();
     int ArgNo = (II && Args ? MI->getArgumentNum(II) : -1);
     if (ArgNo == -1) {
       // This isn't an argument, just add it.
       if (II == nullptr)
-        Expanded += PP.getSpelling((*I)); // Not an identifier.
+        Expanded += PP.getSpelling(T); // Not an identifier.
       else {
         // Token is for an identifier.
         std::string Name = II->getName().str();

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