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[clang-format] Fix a regression in ContinuationIndenter #88414

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Merged
merged 1 commit into from
Apr 12, 2024
Merged

[clang-format] Fix a regression in ContinuationIndenter #88414

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8 changes: 7 additions & 1 deletion clang/lib/Format/ContinuationIndenter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -684,7 +684,13 @@ void ContinuationIndenter::addTokenOnCurrentLine(LineState &State, bool DryRun,
// arguments to function calls. We do this by ensuring that either all
// arguments (including any lambdas) go on the same line as the function
// call, or we break before the first argument.
auto PrevNonComment = Current.getPreviousNonComment();
const auto *Prev = Current.Previous;
if (!Prev)
return false;
// For example, `/*Newline=*/false`.
if (Prev->is(TT_BlockComment) && Current.SpacesRequiredBefore == 0)
return false;
const auto *PrevNonComment = Current.getPreviousNonComment();
if (!PrevNonComment || PrevNonComment->isNot(tok::l_paren))
return false;
if (Current.isOneOf(tok::comment, tok::l_paren, TT_LambdaLSquare))
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4 changes: 4 additions & 0 deletions clang/unittests/Format/FormatTestComments.cpp
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Expand Up @@ -376,6 +376,10 @@ TEST_F(FormatTestComments, RemovesTrailingWhitespaceOfComments) {
TEST_F(FormatTestComments, UnderstandsBlockComments) {
verifyFormat("f(/*noSpaceAfterParameterNamingComment=*/true);");
verifyFormat("void f() { g(/*aaa=*/x, /*bbb=*/!y, /*c=*/::c); }");
verifyFormat("fooooooooooooooooooooooooooooo(\n"
" /*qq_=*/move(q), [this, b](bar<void(uint32_t)> b) {},\n"
" c);",
getLLVMStyleWithColumns(60));
EXPECT_EQ("f(aaaaaaaaaaaaaaaaaaaaaaaaa, /* Trailing comment for aa... */\n"
" bbbbbbbbbbbbbbbbbbbbbbbbb);",
format("f(aaaaaaaaaaaaaaaaaaaaaaaaa , \\\n"
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