clang-format: [Java] Don't break after extends/implements.

Before:
  abstract class SomeClass extends SomeOtherClass implements
      SomeInterface {}

After:
  abstract class SomeClass extends SomeOtherClass
      implements SomeInterface {}

llvm-svn: 221103

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index b6dd9bdcf8b..707153242b8 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -503,6 +503,13 @@ unsigned ContinuationIndenter::getNewLineColumn(const LineState &State) {
   const FormatToken *NextNonComment = Previous.getNextNonComment();
   if (!NextNonComment)
     NextNonComment = &Current;
+
+  // Java specific bits.
+  if (Style.Language == FormatStyle::LK_Java && Current.is(tok::identifier) &&
+      (Current.TokenText == "implements" || Current.TokenText == "extends"))
+    return std::max(State.Stack.back().LastSpace,
+                    State.Stack.back().Indent + Style.ContinuationIndentWidth);
+
   if (NextNonComment->is(tok::l_brace) && NextNonComment->BlockKind == BK_Block)
     return Current.NestingLevel == 0 ? State.FirstIndent
                                      : State.Stack.back().Indent;