https://github.com/owenca created https://github.com/llvm/llvm-project/pull/92214
Instead, leave the line wrapping as is. Fixes #43887. Fixes #44363. >From 40eeb958cef55465fdcee66ab385928c1f202e50 Mon Sep 17 00:00:00 2001 From: Owen Pan <owenpi...@gmail.com> Date: Tue, 14 May 2024 19:14:15 -0700 Subject: [PATCH] [clang-format] Don't always break before << between string literals Instead, leave the line wrapping as is. Fixes #43887. Fixes #44363. --- clang/lib/Format/TokenAnnotator.cpp | 7 +++++-- clang/unittests/Format/FormatTest.cpp | 11 +++++++++++ 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp index d0aa0838423e4..7c4c76a91f2c5 100644 --- a/clang/lib/Format/TokenAnnotator.cpp +++ b/clang/lib/Format/TokenAnnotator.cpp @@ -5601,10 +5601,13 @@ bool TokenAnnotator::mustBreakBefore(const AnnotatedLine &Line, return true; if (Left.IsUnterminatedLiteral) return true; - if (Right.is(tok::lessless) && AfterRight && Left.is(tok::string_literal) && + + if (BeforeLeft && BeforeLeft->is(tok::lessless) && + Left.is(tok::string_literal) && Right.is(tok::lessless) && AfterRight && AfterRight->is(tok::string_literal)) { - return true; + return Right.NewlinesBefore > 0; } + if (Right.is(TT_RequiresClause)) { switch (Style.RequiresClausePosition) { case FormatStyle::RCPS_OwnLine: diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp index e6f8e4a06515e..6f57f10e12e88 100644 --- a/clang/unittests/Format/FormatTest.cpp +++ b/clang/unittests/Format/FormatTest.cpp @@ -10539,6 +10539,17 @@ TEST_F(FormatTest, KeepStringLabelValuePairsOnALine) { " bbbbbbbbbbbbbbbbbbbbbbb);"); } +TEST_F(FormatTest, WrapBeforeInsertionOperatorbetweenStringLiterals) { + verifyFormat("QStringList() << \"foo\" << \"bar\";"); + + verifyNoChange("QStringList() << \"foo\"\n" + " << \"bar\";"); + + verifyFormat("log_error(log, \"foo\" << \"bar\");", + "log_error(log, \"foo\"\n" + " << \"bar\");"); +} + TEST_F(FormatTest, UnderstandsEquals) { verifyFormat( "aaaaaaaaaaaaaaaaa =\n" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits