Calculate and store ColumnWidth instead of CodePointCount in FormatTokens.

Summary:
This fixes various issues with mixed tabs and spaces handling, e.g.
when realigning block comments.

Reviewers: klimek, djasper

Reviewed By: djasper

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1608

llvm-svn: 190395

1 files changed, 2 insertions, 2 deletions

diff --git a/clang/lib/Format/FormatToken.cpp b/clang/lib/Format/FormatToken.cpp
index e6c72ab..49e0ce8 100644
--- a/clang/lib/Format/FormatToken.cpp
+++ b/clang/lib/Format/FormatToken.cpp
@@ -42,7 +42,7 @@ unsigned CommaSeparatedList::format(LineState &State,
   // Calculate the number of code points we have to format this list. As the
   // first token is already placed, we have to subtract it.
   unsigned RemainingCodePoints = Style.ColumnLimit - State.Column +
-                                 State.NextToken->Previous->CodePointCount;
+                                 State.NextToken->Previous->ColumnWidth;
 
   // Find the best ColumnFormat, i.e. the best number of columns to use.
   const ColumnFormat *Format = getColumnFormat(RemainingCodePoints);
@@ -82,7 +82,7 @@ unsigned CommaSeparatedList::format(LineState &State,
 static unsigned CodePointsBetween(const FormatToken *Begin,
                                   const FormatToken *End) {
   assert(End->TotalLength >= Begin->TotalLength);
-  return End->TotalLength - Begin->TotalLength + Begin->CodePointCount;
+  return End->TotalLength - Begin->TotalLength + Begin->ColumnWidth;
 }
 
 void CommaSeparatedList::precomputeFormattingInfos(const FormatToken *Token) {