[PATCH] D132805: [clang-format] Fix a bug in removing braces for the LLVM style

[Owen Pan via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGf00f2b3e8d40: [clang-format] Fix a bug in removing braces for the LLVM style (authored by owenpan).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132805/new/

https://reviews.llvm.org/D132805

Files:
  clang/lib/Format/UnwrappedLineParser.cpp
  clang/unittests/Format/FormatTest.cpp


Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -25815,6 +25815,14 @@
                "}",
                Style);
 
+  verifyFormat("if (a) // comment\n"
+               "  b = 1;",
+               "if (a) // comment\n"
+               "{\n"
+               "  b = 1;\n"
+               "}",
+               Style);
+
   verifyFormat("if (a) {\n"
                "Label:\n"
                "}",
Index: clang/lib/Format/UnwrappedLineParser.cpp
===================================================================
--- clang/lib/Format/UnwrappedLineParser.cpp
+++ clang/lib/Format/UnwrappedLineParser.cpp
@@ -815,6 +815,10 @@
   auto Length = LastToken->TotalLength;
   if (OpeningBrace) {
     assert(OpeningBrace != Tokens.front().Tok);
+    if (auto Prev = OpeningBrace->Previous;
+        Prev && Prev->TotalLength + ColumnLimit == OpeningBrace->TotalLength) {
+      Length -= ColumnLimit;
+    }
     Length -= OpeningBrace->TokenText.size() + 1;
   }
 


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