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CPlusPlus: Fix mis-classification of pure virtuals

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Syntactically, they do have an initializer, but they are not
initializations.

Change-Id: I0556b279ce2d173868585cbce085b803c1cff285
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
This commit is contained in:
Christian Kandeler
2020-12-02 10:20:19 +01:00
parent 3a6e4860c4
commit ff2322ac0b
2 changed files with 21 additions and 2 deletions
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5
src/libs/cplusplus/FindUsages.cpp
View File

@@ -402,8 +402,11 @@ Usage::Type FindUsages::getType(int line, int column, int tokenIndex)
}
if (const auto declarator = (*it)->asDeclarator()) {
if (containsToken(declarator->core_declarator)) {
if (declarator->initializer)
if (declarator->initializer && (!declarator->postfix_declarator_list
|| !declarator->postfix_declarator_list->value
|| !declarator->postfix_declarator_list->value->asFunctionDeclarator())) {
return Usage::Type::Initialization;
}
return Usage::Type::Declaration;
}
if (const auto decl = (*(it + 1))->asSimpleDeclaration()) {

18
tests/auto/cplusplus/findusages/tst_findusages.cpp
View File

@@ -2033,6 +2033,8 @@ struct S {
void nonConstFunc();
static void staticFunc1() {}
static void staticFunc2();
virtual void pureVirtual() = 0;
virtual void pureVirtual2() = 0 {}
};
void func1(int &);
void func2(const int &);
@@ -2112,7 +2114,7 @@ int main()
Class * const structS = doc->globalSymbolAt(0)->asClass();
QVERIFY(structS);
QCOMPARE(structS->name()->identifier()->chars(), "S");
QCOMPARE(structS->memberCount(), 11);
QCOMPARE(structS->memberCount(), 13);
Declaration * const sv = structS->memberAt(1)->asDeclaration();
QVERIFY(sv);
@@ -2164,6 +2166,20 @@ int main()
QCOMPARE(find.usages().at(0).type, Usage::Type::Write);
QCOMPARE(find.usages().at(1).type, Usage::Type::Declaration);
// Make sure that pure virtual declaration is not mistaken for an assignment.
Declaration * const pureVirtual = structS->memberAt(11)->asDeclaration();
QVERIFY(pureVirtual);
QCOMPARE(pureVirtual->name()->identifier()->chars(), "pureVirtual");
find(pureVirtual);
QCOMPARE(find.usages().size(), 1);
QCOMPARE(find.usages().at(0).type, Usage::Type::Declaration);
Function * const pureVirtual2 = structS->memberAt(12)->asFunction();
QVERIFY(pureVirtual2);
QCOMPARE(pureVirtual2->name()->identifier()->chars(), "pureVirtual2");
find(pureVirtual2);
QCOMPARE(find.usages().size(), 1);
QCOMPARE(find.usages().at(0).type, Usage::Type::Declaration);
Function * const main = doc->globalSymbolAt(6)->asFunction();
QVERIFY(main);
QCOMPARE(main->memberCount(), 1);