r173785 - Remove empty lines before "}".

[Daniel Jasper]

Author: djasper
Date: Tue Jan 29 03:42:11 2013
New Revision: 173785

URL: http://llvm.org/viewvc/llvm-project?rev=173785&view=rev
Log:
Remove empty lines before "}".

Those empty lines waste vertical whitespace and almost never
increase readability.

Before:
void f() {
  DoSomething();

}

After:
void f() {
  DoSomething();
}

Modified:
    cfe/trunk/lib/Format/Format.cpp
    cfe/trunk/unittests/Format/FormatTest.cpp

Modified: cfe/trunk/lib/Format/Format.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Format/Format.cpp?rev=173785&r1=173784&r2=173785&view=diff
==============================================================================
--- cfe/trunk/lib/Format/Format.cpp (original)
+++ cfe/trunk/lib/Format/Format.cpp Tue Jan 29 03:42:11 2013
@@ -1990,6 +1990,8 @@ private:
                                  Style.MaxEmptyLinesToKeep + 1);
     if (Newlines == 0 && !Tok.IsFirst)
       Newlines = 1;
+    if (Tok.Tok.is(tok::r_brace) && Newlines > 1)
+      Newlines = 1;
     unsigned Indent = Level * 2;
 
     bool IsAccessModifier = false;

Modified: cfe/trunk/unittests/Format/FormatTest.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Format/FormatTest.cpp?rev=173785&r1=173784&r2=173785&view=diff
==============================================================================
--- cfe/trunk/unittests/Format/FormatTest.cpp (original)
+++ cfe/trunk/unittests/Format/FormatTest.cpp Tue Jan 29 03:42:11 2013
@@ -136,6 +136,7 @@ TEST_F(FormatTest, FormatsUnwrappedLines
 
 TEST_F(FormatTest, FormatsNestedBlockStatements) {
   EXPECT_EQ("{\n  {\n    {}\n  }\n}", format("{{{}}}"));
+  EXPECT_EQ("{\n  {\n    {}\n  }\n}", format("{{{}}\n\n}"));
 }
 
 TEST_F(FormatTest, FormatsNestedCall) {