[PATCH] D93490: [clang-format] PR48539 ReflowComments breaks Qt translation comments

[MyDeveloperDay via Phabricator via cfe-commits]

MyDeveloperDay created this revision.
MyDeveloperDay added reviewers: krasimir, curdeius, JakeMerdichAMD, JVApen.
MyDeveloperDay added projects: clang, clang-format.
MyDeveloperDay requested review of this revision.

https://bugs.llvm.org/show_bug.cgi?id=48539

Add support for Qt Translator Comments to reflow

When reflown and a part of the comments are added on a new line, it should repeat these extra characters as part of the comment token.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D93490

Files:
  clang/lib/Format/BreakableToken.cpp
  clang/unittests/Format/FormatTestComments.cpp


Index: clang/unittests/Format/FormatTestComments.cpp
===================================================================
--- clang/unittests/Format/FormatTestComments.cpp
+++ clang/unittests/Format/FormatTestComments.cpp
@@ -702,6 +702,22 @@
                    "  // long 1 2 3 4 5 6\n"
                    "}",
                    getLLVMStyleWithColumns(20)));
+
+  EXPECT_EQ("//: A comment that\n"
+            "//: doesn't fit on\n"
+            "//: one line",
+            format("//: A comment that doesn't fit on one line",
+                   getLLVMStyleWithColumns(20)));
+  EXPECT_EQ("//= A comment that\n"
+            "//= doesn't fit on\n"
+            "//= one line",
+            format("//= A comment that doesn't fit on one line",
+                   getLLVMStyleWithColumns(20)));
+  EXPECT_EQ("//~ A comment that\n"
+            "//~ doesn't fit on\n"
+            "//~ one line",
+            format("//~ A comment that doesn't fit on one line",
+                   getLLVMStyleWithColumns(20)));
 }
 
 TEST_F(FormatTestComments, PreservesHangingIndentInCxxComments) {
Index: clang/lib/Format/BreakableToken.cpp
===================================================================
--- clang/lib/Format/BreakableToken.cpp
+++ clang/lib/Format/BreakableToken.cpp
@@ -41,8 +41,8 @@
 
 static StringRef getLineCommentIndentPrefix(StringRef Comment,
                                             const FormatStyle &Style) {
-  static const char *const KnownCStylePrefixes[] = {"///<", "//!<", "///", "//",
-                                                    "//!"};
+  static const char *const KnownCStylePrefixes[] = {
+      "///<", "//!<", "///", "//", "//!", "//:", "//=", "//~"};
   static const char *const KnownTextProtoPrefixes[] = {"//", "#", "##", "###",
                                                        "####"};
   ArrayRef<const char *> KnownPrefixes(KnownCStylePrefixes);


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