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Revert "[clang-format] Don't count template template parameter as declaration" #96388

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Merged
joker-eph merged 1 commit into from
Jun 22, 2024
Merged

Revert "[clang-format] Don't count template template parameter as declaration" #96388

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30 changes: 11 additions & 19 deletions clang/lib/Format/TokenAnnotator.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,7 @@ class AnnotatingParser {
SmallVector<ScopeType> &Scopes)
: Style(Style), Line(Line), CurrentToken(Line.First), AutoFound(false),
IsCpp(Style.isCpp()), LangOpts(getFormattingLangOpts(Style)),
Keywords(Keywords), Scopes(Scopes), TemplateDeclarationDepth(0) {
Keywords(Keywords), Scopes(Scopes) {
assert(IsCpp == LangOpts.CXXOperatorNames);
Contexts.push_back(Context(tok::unknown, 1, /*IsExpression=*/false));
resetTokenMetadata();
Expand Down Expand Up @@ -1266,22 +1266,16 @@ class AnnotatingParser {
}

bool parseTemplateDeclaration() {
if (!CurrentToken || CurrentToken->isNot(tok::less))
return false;

CurrentToken->setType(TT_TemplateOpener);
next();

TemplateDeclarationDepth++;
const bool WellFormed = parseAngle();
TemplateDeclarationDepth--;
if (!WellFormed)
return false;

if (CurrentToken && TemplateDeclarationDepth == 0)
CurrentToken->Previous->ClosesTemplateDeclaration = true;

return true;
if (CurrentToken && CurrentToken->is(tok::less)) {
CurrentToken->setType(TT_TemplateOpener);
next();
if (!parseAngle())
return false;
if (CurrentToken)
CurrentToken->Previous->ClosesTemplateDeclaration = true;
return true;
}
return false;
}

bool consumeToken() {
Expand Down Expand Up @@ -3097,8 +3091,6 @@ class AnnotatingParser {
// same decision irrespective of the decisions for tokens leading up to it.
// Store this information to prevent this from causing exponential runtime.
llvm::SmallPtrSet<FormatToken *, 16> NonTemplateLess;

int TemplateDeclarationDepth;
};

static const int PrecedenceUnaryOperator = prec::PointerToMember + 1;
Expand Down
17 changes: 0 additions & 17 deletions clang/unittests/Format/TokenAnnotatorTest.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -584,23 +584,6 @@ TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) {
EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator);
}

TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) {
auto Tokens = annotate("template <template <typename...> typename X,\n"
" template <typename...> class Y,\n"
" typename... T>\n"
"class A {};");
ASSERT_EQ(Tokens.size(), 28u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser);
EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration);
EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser);
EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration);
EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser);
EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration);
}

TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) {
FormatStyle Style = getLLVMStyle();
Style.WhitespaceSensitiveMacros.push_back("FOO");
Expand Down