owenpan created this revision.
owenpan added reviewers: MyDeveloperDay, HazardyKnusperkeks, rymiel.
owenpan added a project: clang-format.
Herald added a project: All.
owenpan requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Closes https://github.com/llvm/llvm-project/issues/60264.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142804

Files:
  clang/include/clang/Format/Format.h
  clang/lib/Format/Format.cpp
  clang/lib/Format/FormatTokenLexer.cpp
  clang/lib/Format/IntegerLiteralSeparatorFixer.cpp
  clang/lib/Format/SortJavaScriptImports.cpp
  clang/unittests/Format/FormatTest.cpp

Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -22619,6 +22619,28 @@
                    "/* clang-format off */\n"
                    "/* long long long long long long line */\n",
                    getLLVMStyleWithColumns(20)));
+
+  verifyFormat("int *i;\n"
+               "// clang-format off 0\n"
+               "int* j;\n"
+               "// clang-format on 1\n"
+               "int *k;",
+               "int* i;\n"
+               "// clang-format off 0\n"
+               "int* j;\n"
+               "// clang-format on 1\n"
+               "int* k;");
+
+  verifyFormat("int *i;\n"
+               "// clang-format off\t0\n"
+               "int* j;\n"
+               "// clang-format on1\n"
+               "int* k;",
+               "int* i;\n"
+               "// clang-format off\t0\n"
+               "int* j;\n"
+               "// clang-format on1\n"
+               "int* k;");
 }
 
 TEST_F(FormatTest, DoNotCrashOnInvalidInput) {
Index: clang/lib/Format/SortJavaScriptImports.cpp
===================================================================
--- clang/lib/Format/SortJavaScriptImports.cpp
+++ clang/lib/Format/SortJavaScriptImports.cpp
@@ -195,8 +195,7 @@
     // Separate references from the main code body of the file.
     if (FirstNonImportLine && FirstNonImportLine->First->NewlinesBefore < 2 &&
         !(FirstNonImportLine->First->is(tok::comment) &&
-          FirstNonImportLine->First->TokenText.trim() ==
-              "// clang-format on")) {
+          isClangFormatOn(FirstNonImportLine->First->TokenText.trim()))) {
       ReferencesText += "\n";
     }
 
@@ -376,9 +375,9 @@
       // This is tracked in FormattingOff here and on JsModuleReference.
       while (Current && Current->is(tok::comment)) {
         StringRef CommentText = Current->TokenText.trim();
-        if (CommentText == "// clang-format off") {
+        if (isClangFormatOff(CommentText)) {
           FormattingOff = true;
-        } else if (CommentText == "// clang-format on") {
+        } else if (isClangFormatOn(CommentText)) {
           FormattingOff = false;
           // Special case: consider a trailing "clang-format on" line to be part
           // of the module reference, so that it gets moved around together with
Index: clang/lib/Format/IntegerLiteralSeparatorFixer.cpp
===================================================================
--- clang/lib/Format/IntegerLiteralSeparatorFixer.cpp
+++ clang/lib/Format/IntegerLiteralSeparatorFixer.cpp
@@ -87,9 +87,9 @@
     auto Location = Tok.getLocation();
     auto Text = StringRef(SourceMgr.getCharacterData(Location), Length);
     if (Tok.is(tok::comment)) {
-      if (Text == "// clang-format off" || Text == "/* clang-format off */")
+      if (isClangFormatOff(Text))
         Skip = true;
-      else if (Text == "// clang-format on" || Text == "/* clang-format on */")
+      else if (isClangFormatOn(Text))
         Skip = false;
       continue;
     }
Index: clang/lib/Format/FormatTokenLexer.cpp
===================================================================
--- clang/lib/Format/FormatTokenLexer.cpp
+++ clang/lib/Format/FormatTokenLexer.cpp
@@ -1286,17 +1286,13 @@
     Tok.Tok.setKind(tok::string_literal);
   }
 
-  if (Tok.is(tok::comment) && (Tok.TokenText == "// clang-format on" ||
-                               Tok.TokenText == "/* clang-format on */")) {
+  if (Tok.is(tok::comment) && isClangFormatOn(Tok.TokenText))
     FormattingDisabled = false;
-  }
 
   Tok.Finalized = FormattingDisabled;
 
-  if (Tok.is(tok::comment) && (Tok.TokenText == "// clang-format off" ||
-                               Tok.TokenText == "/* clang-format off */")) {
+  if (Tok.is(tok::comment) && isClangFormatOff(Tok.TokenText))
     FormattingDisabled = true;
-  }
 }
 
 void FormatTokenLexer::resetLexer(unsigned Offset) {
Index: clang/lib/Format/Format.cpp
===================================================================
--- clang/lib/Format/Format.cpp
+++ clang/lib/Format/Format.cpp
@@ -3002,13 +3002,10 @@
     if (Trimmed.contains(RawStringTermination))
       FormattingOff = false;
 
-    if (Trimmed == "// clang-format off" ||
-        Trimmed == "/* clang-format off */") {
+    if (isClangFormatOff(Trimmed))
       FormattingOff = true;
-    } else if (Trimmed == "// clang-format on" ||
-               Trimmed == "/* clang-format on */") {
+    else if (isClangFormatOn(Trimmed))
       FormattingOff = false;
-    }
 
     const bool EmptyLineSkipped =
         Trimmed.empty() &&
@@ -3185,9 +3182,9 @@
         Code.substr(Prev, (Pos != StringRef::npos ? Pos : Code.size()) - Prev);
 
     StringRef Trimmed = Line.trim();
-    if (Trimmed == "// clang-format off")
+    if (isClangFormatOff(Trimmed))
       FormattingOff = true;
-    else if (Trimmed == "// clang-format on")
+    else if (isClangFormatOn(Trimmed))
       FormattingOff = false;
 
     if (ImportRegex.match(Line, &Matches)) {
@@ -3893,5 +3890,27 @@
   return FallbackStyle;
 }
 
+bool isClangFormatOn(StringRef Comment) {
+  if (Comment == "/* clang-format on */")
+    return true;
+
+  static const StringRef Prefix("// clang-format on");
+  static const auto Size = Prefix.size();
+
+  return Comment.startswith(Prefix) &&
+         (Comment.size() == Size || isblank(Comment[Size]));
+}
+
+bool isClangFormatOff(StringRef Comment) {
+  if (Comment == "/* clang-format off */")
+    return true;
+
+  static const StringRef Prefix("// clang-format off");
+  static const auto Size = Prefix.size();
+
+  return Comment.startswith(Prefix) &&
+         (Comment.size() == Size || isblank(Comment[Size]));
+}
+
 } // namespace format
 } // namespace clang
Index: clang/include/clang/Format/Format.h
===================================================================
--- clang/include/clang/Format/Format.h
+++ clang/include/clang/Format/Format.h
@@ -4599,6 +4599,9 @@
   }
 }
 
+bool isClangFormatOn(StringRef Comment);
+bool isClangFormatOff(StringRef Comment);
+
 } // end namespace format
 } // end namespace clang
 
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

Reply via email to