This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG37e754e5801c: [clang-format] Insert closing braces after an 
unaffected line (authored by owenpan).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136437/new/

https://reviews.llvm.org/D136437

Files:
  clang/lib/Format/Format.cpp


Index: clang/lib/Format/Format.cpp
===================================================================
--- clang/lib/Format/Format.cpp
+++ clang/lib/Format/Format.cpp
@@ -1874,26 +1874,37 @@
   void insertBraces(SmallVectorImpl<AnnotatedLine *> &Lines,
                     tooling::Replacements &Result) {
     const auto &SourceMgr = Env.getSourceManager();
+    int OpeningBraceSurplus = 0;
     for (AnnotatedLine *Line : Lines) {
       insertBraces(Line->Children, Result);
-      if (!Line->Affected)
+      if (!Line->Affected && OpeningBraceSurplus == 0)
         continue;
       for (FormatToken *Token = Line->First; Token && !Token->Finalized;
            Token = Token->Next) {
-        if (Token->BraceCount == 0)
+        int BraceCount = Token->BraceCount;
+        if (BraceCount == 0)
           continue;
         std::string Brace;
-        if (Token->BraceCount < 0) {
-          assert(Token->BraceCount == -1);
+        if (BraceCount < 0) {
+          assert(BraceCount == -1);
+          if (!Line->Affected)
+            break;
           Brace = Token->is(tok::comment) ? "\n{" : "{";
+          ++OpeningBraceSurplus;
         } else {
-          Brace = '\n' + std::string(Token->BraceCount, '}');
+          if (OpeningBraceSurplus == 0)
+            break;
+          if (OpeningBraceSurplus < BraceCount)
+            BraceCount = OpeningBraceSurplus;
+          Brace = '\n' + std::string(BraceCount, '}');
+          OpeningBraceSurplus -= BraceCount;
         }
         Token->BraceCount = 0;
         const auto Start = Token->Tok.getEndLoc();
         cantFail(Result.add(tooling::Replacement(SourceMgr, Start, 0, Brace)));
       }
     }
+    assert(OpeningBraceSurplus == 0);
   }
 };
 


Index: clang/lib/Format/Format.cpp
===================================================================
--- clang/lib/Format/Format.cpp
+++ clang/lib/Format/Format.cpp
@@ -1874,26 +1874,37 @@
   void insertBraces(SmallVectorImpl<AnnotatedLine *> &Lines,
                     tooling::Replacements &Result) {
     const auto &SourceMgr = Env.getSourceManager();
+    int OpeningBraceSurplus = 0;
     for (AnnotatedLine *Line : Lines) {
       insertBraces(Line->Children, Result);
-      if (!Line->Affected)
+      if (!Line->Affected && OpeningBraceSurplus == 0)
         continue;
       for (FormatToken *Token = Line->First; Token && !Token->Finalized;
            Token = Token->Next) {
-        if (Token->BraceCount == 0)
+        int BraceCount = Token->BraceCount;
+        if (BraceCount == 0)
           continue;
         std::string Brace;
-        if (Token->BraceCount < 0) {
-          assert(Token->BraceCount == -1);
+        if (BraceCount < 0) {
+          assert(BraceCount == -1);
+          if (!Line->Affected)
+            break;
           Brace = Token->is(tok::comment) ? "\n{" : "{";
+          ++OpeningBraceSurplus;
         } else {
-          Brace = '\n' + std::string(Token->BraceCount, '}');
+          if (OpeningBraceSurplus == 0)
+            break;
+          if (OpeningBraceSurplus < BraceCount)
+            BraceCount = OpeningBraceSurplus;
+          Brace = '\n' + std::string(BraceCount, '}');
+          OpeningBraceSurplus -= BraceCount;
         }
         Token->BraceCount = 0;
         const auto Start = Token->Tok.getEndLoc();
         cantFail(Result.add(tooling::Replacement(SourceMgr, Start, 0, Brace)));
       }
     }
+    assert(OpeningBraceSurplus == 0);
   }
 };
 
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