[PATCH] D88296: [clang-format] De-duplicate includes with leading or trailing whitespace.

[Marek Kurdej via Phabricator via cfe-commits]

curdeius created this revision.
curdeius added a reviewer: MyDeveloperDay.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
curdeius requested review of this revision.

This fixes PR46555.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D88296

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


Index: clang/unittests/Format/SortIncludesTest.cpp
===================================================================
--- clang/unittests/Format/SortIncludesTest.cpp
+++ clang/unittests/Format/SortIncludesTest.cpp
@@ -266,12 +266,19 @@
             sort(" #include \"a.h\"\n"
                  "  #include \"c.h\"\n"
                  "   #include \"b.h\"\n"));
+  EXPECT_EQ("#include \"a.h\"\n", sort("#include \"a.h\"\n"
+                                       " #include \"a.h\"\n"));
+}
+
+TEST_F(SortIncludesTest, TrailingWhitespace) {
   EXPECT_EQ("#include \"a.h\"\n"
             "#include \"b.h\"\n"
             "#include \"c.h\"\n",
-            sort("# include \"a.h\"\n"
-                 "#  include \"c.h\"\n"
-                 "#   include \"b.h\"\n"));
+            sort("#include \"a.h\" \n"
+                 "#include \"c.h\"  \n"
+                 "#include \"b.h\"   \n"));
+  EXPECT_EQ("#include \"a.h\"\n", sort("#include \"a.h\"\n"
+                                       "#include \"a.h\" \n"));
 }
 
 TEST_F(SortIncludesTest, GreaterInComment) {
Index: clang/lib/Format/Format.cpp
===================================================================
--- clang/lib/Format/Format.cpp
+++ clang/lib/Format/Format.cpp
@@ -2160,7 +2160,8 @@
   // Deduplicate #includes.
   Indices.erase(std::unique(Indices.begin(), Indices.end(),
                             [&](unsigned LHSI, unsigned RHSI) {
-                              return Includes[LHSI].Text == Includes[RHSI].Text;
+                              return Includes[LHSI].Text.trim() ==
+                                     Includes[RHSI].Text.trim();
                             }),
                 Indices.end());
 


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