[PATCH] D44631: [clang-format] Remove empty lines before }[; ] // comment

[Krasimir Georgiev via Phabricator via cfe-commits]

This revision was not accepted when it landed; it landed in state "Needs Review".
This revision was automatically updated to reflect the committed changes.
Closed by commit rC327861: [clang-format] Remove empty lines before }[;] // comment (authored by krasimir, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D44631?vs=138941&id=138942#toc

Repository:
  rC Clang

https://reviews.llvm.org/D44631

Files:
  lib/Format/UnwrappedLineFormatter.cpp
  unittests/Format/FormatTest.cpp


Index: lib/Format/UnwrappedLineFormatter.cpp
===================================================================
--- lib/Format/UnwrappedLineFormatter.cpp
+++ lib/Format/UnwrappedLineFormatter.cpp
@@ -1133,8 +1133,12 @@
       std::min(RootToken.NewlinesBefore, Style.MaxEmptyLinesToKeep + 1);
   // Remove empty lines before "}" where applicable.
   if (RootToken.is(tok::r_brace) &&
+      // Look for "}", "} // comment", "};" or "}; // comment".
       (!RootToken.Next ||
-       (RootToken.Next->is(tok::semi) && !RootToken.Next->Next)))
+       (RootToken.Next->is(tok::comment) && !RootToken.Next->Next) ||
+       (RootToken.Next->is(tok::semi) &&
+        (!RootToken.Next->Next || (RootToken.Next->Next->is(tok::comment) &&
+                                   !RootToken.Next->Next->Next)))))
     Newlines = std::min(Newlines, 1u);
   // Remove empty lines at the start of nested blocks (lambdas/arrow functions)
   if (PreviousLine == nullptr && Line.Level > 0)
Index: unittests/Format/FormatTest.cpp
===================================================================
--- unittests/Format/FormatTest.cpp
+++ unittests/Format/FormatTest.cpp
@@ -276,7 +276,6 @@
                    "\n"
                    "}"));
 
-  // FIXME: This is slightly inconsistent.
   FormatStyle LLVMWithNoNamespaceFix = getLLVMStyle();
   LLVMWithNoNamespaceFix.FixNamespaceComments = false;
   EXPECT_EQ("namespace {\n"
@@ -295,12 +294,25 @@
                    "}"));
   EXPECT_EQ("namespace {\n"
             "int i;\n"
-            "\n"
+            "};",
+            format("namespace {\n"
+                   "int i;\n"
+                   "\n"
+                   "};"));
+  EXPECT_EQ("namespace {\n"
+            "int i;\n"
             "} // namespace",
             format("namespace {\n"
                    "int i;\n"
                    "\n"
                    "}  // namespace"));
+  EXPECT_EQ("namespace {\n"
+            "int i;\n"
+            "}; // namespace",
+            format("namespace {\n"
+                   "int i;\n"
+                   "\n"
+                   "};  // namespace"));
 
   FormatStyle Style = getLLVMStyle();
   Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_All;


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