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ClangCodeModel: Fix template highlighting bug

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We need to take into account that the ">>" in constructs such as
std::vector<std::pair<int, int>> is only one token on the clang side.

Change-Id: I90f002ca56f236032f6d39c338593a2ff7590061
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: David Schulz <david.schulz@qt.io>
This commit is contained in:
Christian Kandeler
2021-04-15 13:54:02 +02:00
parent 8e8236e9e0
commit c80c724b52
8 changed files with 30 additions and 7 deletions
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1
src/libs/clangsupport/clangsupport_global.h
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@@ -110,6 +110,7 @@ enum class HighlightingType : quint8
TemplateTemplateParameter,
AngleBracketOpen,
AngleBracketClose,
DoubleAngleBracketClose, // clang parses ">>" as one token, even if it's closing a nested template
TernaryIf,
TernaryElse,
};

3
src/plugins/clangcodemodel/clanghighlightingresultreporter.cpp
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@@ -115,6 +115,7 @@ bool ignore(ClangBackEnd::HighlightingType type)
case HighlightingType::TemplateTemplateParameter:
case HighlightingType::AngleBracketOpen:
case HighlightingType::AngleBracketClose:
case HighlightingType::DoubleAngleBracketClose:
case HighlightingType::TernaryIf:
case HighlightingType::TernaryElse:
return true;
@@ -149,6 +150,8 @@ TextEditor::HighlightingResult toHighlightingResult(
result.kind = CppTools::SemanticHighlighter::AngleBracketOpen;
else if (tokenInfo.types.mixinHighlightingTypes.contains(HighlightingType::AngleBracketClose))
result.kind = CppTools::SemanticHighlighter::AngleBracketClose;
else if (tokenInfo.types.mixinHighlightingTypes.contains(HighlightingType::DoubleAngleBracketClose))
result.kind = CppTools::SemanticHighlighter::DoubleAngleBracketClose;
else if (tokenInfo.types.mixinHighlightingTypes.contains(HighlightingType::TernaryIf))
result.kind = CppTools::SemanticHighlighter::TernaryIf;
else if (tokenInfo.types.mixinHighlightingTypes.contains(HighlightingType::TernaryElse))

13
src/plugins/cpptools/semantichighlighter.cpp
View File

@@ -178,6 +178,7 @@ void SemanticHighlighter::onHighlighterResultAvailable(int from, int to)
for (int i = from; i < to; ++i) {
const HighlightingResult &result = m_watcher->future().resultAt(i);
if (result.kind != AngleBracketOpen && result.kind != AngleBracketClose
&& result.kind != DoubleAngleBracketClose
&& result.kind != TernaryIf && result.kind != TernaryElse) {
const QTextBlock block =
m_baseTextDocument->document()->findBlockByNumber(result.line - 1);
@@ -193,14 +194,18 @@ void SemanticHighlighter::onHighlighterResultAvailable(int from, int to)
parentheses.second = getClearedParentheses(parentheses.first);
}
Parenthesis paren;
if (result.kind == AngleBracketOpen)
if (result.kind == AngleBracketOpen) {
paren = {Parenthesis::Opened, '<', result.column - 1};
else if (result.kind == AngleBracketClose)
} else if (result.kind == AngleBracketClose) {
paren = {Parenthesis::Closed, '>', result.column - 1};
else if (result.kind == TernaryIf)
} else if (result.kind == DoubleAngleBracketClose) {
parentheses.second.append({Parenthesis::Closed, '>', result.column - 1});
paren = {Parenthesis::Closed, '>', result.column};
} else if (result.kind == TernaryIf) {
paren = {Parenthesis::Opened, '?', result.column - 1};
else if (result.kind == TernaryElse)
} else if (result.kind == TernaryElse) {
paren = {Parenthesis::Closed, ':', result.column - 1};
}
QTC_ASSERT(paren.pos != -1, continue);
paren.source = parenSource();
parentheses.second << paren;

1
src/plugins/cpptools/semantichighlighter.h
View File

@@ -61,6 +61,7 @@ public:
VirtualFunctionDeclarationUse,
AngleBracketOpen,
AngleBracketClose,
DoubleAngleBracketClose,
TernaryIf,
TernaryElse,
};

5
src/tools/clangbackend/source/tokeninfo.cpp
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@@ -597,7 +597,8 @@ void TokenInfo::punctuationOrOperatorKind()
break;
}
if (m_types.mixinHighlightingTypes.empty()
if (m_types.mainHighlightingType == HighlightingType::Punctuation
&& m_types.mixinHighlightingTypes.empty()
&& kind != CXCursor_InclusionDirective
&& kind != CXCursor_PreprocessingDirective) {
const ClangString spelling = m_token->spelling();
@@ -605,6 +606,8 @@ void TokenInfo::punctuationOrOperatorKind()
m_types.mixinHighlightingTypes.push_back(HighlightingType::AngleBracketOpen);
else if (spelling == ">")
m_types.mixinHighlightingTypes.push_back(HighlightingType::AngleBracketClose);
else if (spelling == ">>")
m_types.mixinHighlightingTypes.push_back(HighlightingType::DoubleAngleBracketClose);
}
if (isOutputArgument())

2
tests/unit/unittest/data/highlightingmarks.cpp
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@@ -769,3 +769,5 @@ template<typename T>
void func(T v) {
GlobalVar = 5;
}
static std::vector<std::pair<int, int>> pv;

1
tests/unit/unittest/gtest-creator-printing.cpp
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@@ -868,6 +868,7 @@ static const char *highlightingTypeToCStringLiteral(HighlightingType type)
RETURN_TEXT_FOR_CASE(TemplateTemplateParameter);
RETURN_TEXT_FOR_CASE(AngleBracketOpen);
RETURN_TEXT_FOR_CASE(AngleBracketClose);
RETURN_TEXT_FOR_CASE(DoubleAngleBracketClose);
RETURN_TEXT_FOR_CASE(TernaryIf);
RETURN_TEXT_FOR_CASE(TernaryElse);
}

7
tests/unit/unittest/tokenprocessor-test.cpp
View File

@@ -1794,6 +1794,13 @@ TEST_F(TokenProcessor, TemplateSeparateDeclDef)
ASSERT_THAT(infos[37], IsHighlightingMark(764u, 5u, 9u, HighlightingType::GlobalVariable));
}
TEST_F(TokenProcessor, NestedTemplate)
{
const auto infos = translationUnit.tokenInfosInRange(sourceRange(773, 44));
ASSERT_THAT(infos[12], HasTwoTypes(HighlightingType::Punctuation,
HighlightingType::DoubleAngleBracketClose));
}
Data *TokenProcessor::d;
void TokenProcessor::SetUpTestCase()