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C++: base class and default argument for template class

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Fix code completion in case:
struct Foo
{
  int bar;
};

template <typename T1 = Foo>
struct Derived : T1 { };

int main()
{
  Derived<> foo;
  foo. // members from Foo are not proposed
  return 0;
}

Task-number: QTCREATORBUG-12605
Change-Id: Ibe35c7b9a161e789057a4518c72390ac52489a3e
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
This commit is contained in:
Przemyslaw Gorszkowski
2014-07-03 09:00:00 +02:00
committed by Orgad Shaneh
parent 87dcde5564
commit 4aa4e64b77
2 changed files with 21 additions and 1 deletions
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9
src/libs/cplusplus/LookupContext.cpp
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@@ -1082,9 +1082,9 @@ ClassOrNamespace *ClassOrNamespace::nestedType(const Name *name, ClassOrNamespac
const unsigned argumentCountOfSpecialization
= templateSpecialization->templateParameterCount();
Subst subst(_control.data());
if (_factory->expandTemplates()) {
Clone cloner(_control.data());
Subst subst(_control.data());
for (unsigned i = 0; i < argumentCountOfSpecialization; ++i) {
const TypenameArgument *tParam
= templateSpecialization->templateParameterAt(i)->asTypenameArgument();
@@ -1149,6 +1149,13 @@ ClassOrNamespace *ClassOrNamespace::nestedType(const Name *name, ClassOrNamespac
}
}
}
if (!baseBinding && subst.contains(baseName)) {
const FullySpecifiedType &fullType = subst[baseName];
if (fullType.isValid()) {
if (NamedType *namedType = fullType.type()->asNamedType())
baseBinding = lookupType(namedType->name());
}
}
} else {
SubstitutionMap map;
for (unsigned i = 0;