1 files changed, 20 insertions, 4 deletions

diff --git a/lib/Format/UnwrappedLineParser.h b/lib/Format/UnwrappedLineParser.h
index f4fecc5..0c618e2 100644
--- a/lib/Format/UnwrappedLineParser.h
+++ b/lib/Format/UnwrappedLineParser.h
@@ -34,7 +34,7 @@ struct FormatToken {
   FormatToken()
       : NewlinesBefore(0), HasUnescapedNewline(false), WhiteSpaceLength(0),
         LastNewlineOffset(0), TokenLength(0), IsFirst(false),
-        MustBreakBefore(false) {}
+        MustBreakBefore(false), TrailingWhiteSpaceLength(0) {}
 
   /// \brief The \c Token.
   Token Tok;
@@ -76,6 +76,18 @@ struct FormatToken {
   /// This happens for example when a preprocessor directive ended directly
   /// before the token.
   bool MustBreakBefore;
+
+  /// \brief Number of characters of trailing whitespace.
+  unsigned TrailingWhiteSpaceLength;
+
+  /// \brief Returns actual token start location without leading escaped
+  /// newlines and whitespace.
+  ///
+  /// This can be different to Tok.getLocation(), which includes leading escaped
+  /// newlines.
+  SourceLocation getStartOfNonWhitespace() const {
+    return WhiteSpaceStart.getLocWithOffset(WhiteSpaceLength);
+  }
 };
 
 /// \brief An unwrapped line is a sequence of \c Token, that we would like to
@@ -125,9 +137,9 @@ public:
   bool parse();
 
 private:
-  bool parseFile();
-  bool parseLevel(bool HasOpeningBrace);
-  bool parseBlock(bool MustBeDeclaration, unsigned AddLevels = 1);
+  void parseFile();
+  void parseLevel(bool HasOpeningBrace);
+  void parseBlock(bool MustBeDeclaration, unsigned AddLevels = 1);
   void parsePPDirective();
   void parsePPDefine();
   void parsePPUnknown();
@@ -187,6 +199,10 @@ private:
   // whether we are in a compound statement or not.
   std::vector<bool> DeclarationScopeStack;
 
+  // Will be true if we encounter an error that leads to possibily incorrect
+  // indentation levels.
+  bool StructuralError;
+
   clang::DiagnosticsEngine &Diag;
   const FormatStyle &Style;
   FormatTokenSource *Tokens;