[PATCH] D60116: [clang-format] Regroup #includes into blocks for Google style

[Eric Liu via Phabricator via cfe-commits]

ioeric created this revision.
ioeric added reviewers: sammccall, klimek.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Regrouping #includes in blocks separated by blank lines when sorting C++ #include
headers was implemented recently, and it has been preferred in Google's C++ style guide:
https://google.github.io/styleguide/cppguide.html#Names_and_Order_of_Includes


Repository:
  rC Clang

https://reviews.llvm.org/D60116

Files:
  lib/Format/Format.cpp
  unittests/Format/CleanupTest.cpp
  unittests/Format/SortIncludesTest.cpp


Index: unittests/Format/SortIncludesTest.cpp
===================================================================
--- unittests/Format/SortIncludesTest.cpp
+++ unittests/Format/SortIncludesTest.cpp
@@ -272,6 +272,7 @@
   FmtStyle = getGoogleStyle(FormatStyle::LK_Cpp);
   EXPECT_EQ("#include <b.h>\n"
             "#include <d.h>\n"
+            "\n"
             "#include \"a.h\"\n"
             "#include \"c.h\"\n",
             sort("#include <d.h>\n"
Index: unittests/Format/CleanupTest.cpp
===================================================================
--- unittests/Format/CleanupTest.cpp
+++ unittests/Format/CleanupTest.cpp
@@ -420,8 +420,10 @@
 TEST_F(CleanUpReplacementsTest, InsertMultipleNewHeadersAndSortGoogle) {
   std::string Code = "\nint x;";
   std::string Expected = "\n#include \"fix.h\"\n"
+                         "\n"
                          "#include <list>\n"
                          "#include <vector>\n"
+                         "\n"
                          "#include \"a.h\"\n"
                          "#include \"b.h\"\n"
                          "#include \"c.h\"\n"
Index: lib/Format/Format.cpp
===================================================================
--- lib/Format/Format.cpp
+++ lib/Format/Format.cpp
@@ -784,6 +784,7 @@
   GoogleStyle.IncludeStyle.IncludeCategories = {
       {"^<ext/.*\\.h>", 2}, {"^<.*\\.h>", 1}, {"^<.*", 2}, {".*", 3}};
   GoogleStyle.IncludeStyle.IncludeIsMainRegex = "([-_](test|unittest))?$";
+  GoogleStyle.IncludeStyle.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
   GoogleStyle.IndentCaseLabels = true;
   GoogleStyle.KeepEmptyLinesAtTheStartOfBlocks = false;
   GoogleStyle.ObjCBinPackProtocolList = FormatStyle::BPS_Never;


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