[clang][Lex][NFC] Use a range for loop in StringLiteralParser

diff --git a/clang/lib/Lex/LiteralSupport.cpp b/clang/lib/Lex/LiteralSupport.cpp
index 3efecc7..9cc0215 100644 (file)
--- a/clang/lib/Lex/LiteralSupport.cpp
+++ b/clang/lib/Lex/LiteralSupport.cpp
@@ -1867,28 +1867,27 @@ void StringLiteralParser::init(ArrayRef<Token> StringToks){
 
   // Implement Translation Phase #6: concatenation of string literals
   /// (C99 5.1.1.2p1).  The common case is only one string fragment.
-  for (unsigned i = 1; i != StringToks.size(); ++i) {
-    if (StringToks[i].getLength() < 2)
-      return DiagnoseLexingError(StringToks[i].getLocation());
+  for (const Token &Tok : StringToks) {
+    if (Tok.getLength() < 2)
+      return DiagnoseLexingError(Tok.getLocation());
 
     // The string could be shorter than this if it needs cleaning, but this is a
     // reasonable bound, which is all we need.
-    assert(StringToks[i].getLength() >= 2 && "literal token is invalid!");
-    SizeBound += StringToks[i].getLength()-2;  // -2 for "".
+    assert(Tok.getLength() >= 2 && "literal token is invalid!");
+    SizeBound += Tok.getLength() - 2; // -2 for "".
 
     // Remember maximum string piece length.
-    if (StringToks[i].getLength() > MaxTokenLength)
-      MaxTokenLength = StringToks[i].getLength();
+    if (Tok.getLength() > MaxTokenLength)
+      MaxTokenLength = Tok.getLength();
 
     // Remember if we see any wide or utf-8/16/32 strings.
     // Also check for illegal concatenations.
-    if (StringToks[i].isNot(Kind) && StringToks[i].isNot(tok::string_literal)) {
+    if (Tok.isNot(Kind) && Tok.isNot(tok::string_literal)) {
       if (isOrdinary()) {
-        Kind = StringToks[i].getKind();
+        Kind = Tok.getKind();
       } else {
         if (Diags)
-          Diags->Report(StringToks[i].getLocation(),
-                        diag::err_unsupported_string_concat);
+          Diags->Report(Tok.getLocation(), diag::err_unsupported_string_concat);
         hadError = true;
       }
     }