clang-format: [JS] handle parenthesized class expressions.

Summary:
In JavaScript, classes are expressions, so they can appear e.g. in
argument lists.

    var C = foo(class {
      bar() {
        return 1;
      }
    };

Reviewers: djasper

Subscribers: cfe-commits, klimek

Differential Revision: https://reviews.llvm.org/D29635

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@294302 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 2 deletions

diff --git a/lib/Format/UnwrappedLineParser.h b/lib/Format/UnwrappedLineParser.h
index b03009511d..c34e5b9ec7 100644
--- a/lib/Format/UnwrappedLineParser.h
+++ b/lib/Format/UnwrappedLineParser.h
@@ -100,7 +100,10 @@ private:
   void parseAccessSpecifier();
   bool parseEnum();
   void parseJavaEnumBody();
-  void parseRecord();
+  // Parses a record (aka class) as a top level element. If ParseAsExpr is true,
+  // parses the record as a child block, i.e. if the class declaration is an
+  // expression.
+  void parseRecord(bool ParseAsExpr = false);
   void parseObjCProtocolList();
   void parseObjCUntilAtEnd();
   void parseObjCInterfaceOrImplementation();
@@ -162,7 +165,7 @@ private:
 
   const FormatStyle &Style;
   const AdditionalKeywords &Keywords;
-  
+
   llvm::Regex CommentPragmasRegex;
 
   FormatTokenSource *Tokens;