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[clang-format] Allow breaking before bit-field colons #153529

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Merged
merged 1 commit into from
Aug 17, 2025
Merged

[clang-format] Allow breaking before bit-field colons #153529

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3 changes: 2 additions & 1 deletion clang/lib/Format/TokenAnnotator.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6269,7 +6269,8 @@ bool TokenAnnotator::canBreakBefore(const AnnotatedLine &Line,
}

if (Right.is(tok::colon) &&
!Right.isOneOf(TT_CtorInitializerColon, TT_InlineASMColon)) {
!Right.isOneOf(TT_CtorInitializerColon, TT_InlineASMColon,
TT_BitFieldColon)) {
return false;
}
if (Left.is(tok::colon) && Left.isOneOf(TT_DictLiteral, TT_ObjCMethodExpr)) {
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4 changes: 4 additions & 0 deletions clang/unittests/Format/FormatTest.cpp
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Expand Up @@ -4050,6 +4050,10 @@ TEST_F(FormatTest, FormatsBitfields) {
" uchar : 8;\n"
" uchar other;\n"
"};");
verifyFormat("struct foo {\n"
" uint8_t i_am_a_bit_field_this_long\n"
" : struct_with_constexpr::i_am_a_constexpr_lengthhhhh;\n"
"};");
FormatStyle Style = getLLVMStyle();
Style.BitFieldColonSpacing = FormatStyle::BFCS_None;
verifyFormat("struct Bitfields {\n"
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