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C++: Fix lookup for instantiation of using

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Yet another std::vector issue...

Use-cases:
// Case 1
template<typename T>
using type = T;

// Case 2
struct Parent {
    template<typename T>
    using type = T;
};

// Case 3
template<typename T>
struct ParentT {
    template<typename DT>
    using type = DT;
};

struct Foo { int bar; };

void func()
{
    type<Foo> p1;
    Parent::type<Foo> p2;
    ParentT<Foo>::type<Foo> p3;
    // bar not highlighted
    p1.bar;
    p2.bar;
    p3.bar;
}

Task-number: QTCREATORBUG-14480
Change-Id: I9ab08ea7360a432c48eb4b85aa0d63e08d2464c1
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>
This commit is contained in:
Orgad Shaneh
2015-05-22 13:03:55 +03:00
committed by Orgad Shaneh
parent 2a966a8917
commit b67ebf9ffc
2 changed files with 86 additions and 1 deletions
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81
src/plugins/cpptools/cppcompletion_test.cpp
View File

@@ -2917,6 +2917,87 @@ void CppToolsPlugin::test_completion_data()
<< QLatin1String("Foo")
<< QLatin1String("bar"));
QTest::newRow("template_using_instantiation") << _(
"template<typename _Tp>\n"
"using T = _Tp;\n"
"\n"
"struct Foo { int bar; };\n"
"\n"
"void func()\n"
"{\n"
" T<Foo> p;\n"
" @\n"
"}\n"
) << _("p.") << (QStringList()
<< QLatin1String("Foo")
<< QLatin1String("bar"));
QTest::newRow("nested_template_using_instantiation") << _(
"struct Parent {\n"
" template<typename _Tp>\n"
" using T = _Tp;\n"
"};\n"
"\n"
"struct Foo { int bar; };\n"
"\n"
"void func()\n"
"{\n"
" Parent::T<Foo> p;\n"
" @;\n"
"}\n"
) << _("p.") << (QStringList()
<< QLatin1String("Foo")
<< QLatin1String("bar"));
QTest::newRow("nested_template_using_instantiation_in_template_class") << _(
"template<typename ParentT>\n"
"struct Parent {\n"
" template<typename _Tp>\n"
" using T = _Tp;\n"
"};\n"
"\n"
"struct Foo { int bar; };\n"
"\n"
"void func()\n"
"{\n"
" Parent<Foo>::T<Foo> p;\n"
" @;\n"
"}\n"
) << _("p.") << (QStringList()
<< QLatin1String("Foo")
<< QLatin1String("bar"));
QTest::newRow("recursive_nested_template_using_instantiation") << _(
"struct Foo { int bar; };\n"
"\n"
"struct A { typedef Foo value_type; };\n"
"\n"
"template<typename T>\n"
"struct Traits\n"
"{\n"
" typedef Foo value_type;\n"
"\n"
" template<typename _Tp>\n"
" using U = T;\n"
"};\n"
"\n"
"template<typename T>\n"
"struct Temp\n"
"{\n"
" typedef Traits<T> TraitsT;\n"
" typedef typename T::value_type value_type;\n"
" typedef typename TraitsT::template U<Foo> rebind;\n"
"};\n"
"\n"
"void func()\n"
"{\n"
" typename Temp<typename Temp<A>::rebind>::value_type p;\n"
" @\n"
"}\n"
) << _("p.") << (QStringList()
<< QLatin1String("Foo")
<< QLatin1String("bar"));
QTest::newRow("qualified_name_in_nested_type") << _(
"template<typename _Tp>\n"
"struct Temp {\n"