forked from OSchip/llvm-project
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
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struct global {
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};
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namespace PR10127 {
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struct outer {
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struct middle {
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struct inner {
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int func();
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int i;
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};
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struct inner2 {
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};
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struct inner3 {
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};
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int mfunc();
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};
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typedef int td_int;
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};
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struct str {
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operator decltype(outer::middle::inner()) ();
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operator decltype(outer::middle())::inner2 ();
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operator decltype(outer())::middle::inner3 ();
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str(int (decltype(outer::middle::inner())::*n)(),
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int (decltype(outer::middle())::inner::*o)(),
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int (decltype(outer())::middle::inner::*p)());
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};
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decltype(outer::middle::inner()) a;
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void scope() {
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a.decltype(outer::middle())::mfunc(); // expected-error{{'PR10127::outer::middle::mfunc' is not a member of class 'decltype(outer::middle::inner())'}}
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a.decltype(outer::middle::inner())::func();
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a.decltype(outer::middle())::inner::func();
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a.decltype(outer())::middle::inner::func();
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a.decltype(outer())::middle::inner::~inner();
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decltype(outer())::middle::inner().func();
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}
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decltype(outer::middle())::inner b;
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decltype(outer())::middle::inner c;
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decltype(outer())::fail d; // expected-error{{no type named 'fail' in 'PR10127::outer'}}
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decltype(outer())::fail::inner e; // expected-error{{no member named 'fail' in 'PR10127::outer'}}
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decltype()::fail f; // expected-error{{expected expression}}
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decltype()::middle::fail g; // expected-error{{expected expression}}
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decltype(int()) h;
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decltype(int())::PR10127::outer i; // expected-error{{'decltype(int())' (aka 'int') is not a class, namespace, or enumeration}}
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decltype(int())::global j; // expected-error{{'decltype(int())' (aka 'int') is not a class, namespace, or enumeration}}
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outer::middle k = decltype(outer())::middle();
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outer::middle::inner l = decltype(outer())::middle::inner();
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template<typename T>
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struct templ {
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typename decltype(T())::middle::inner x; // expected-error{{type 'decltype(int())' (aka 'int') cannot be used prior to '::' because it has no members}}
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};
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template class templ<int>; // expected-note{{in instantiation of template class 'PR10127::templ<int>' requested here}}
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template class templ<outer>;
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enum class foo {
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bar,
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baz
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};
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foo m = decltype(foo::bar)::baz;
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enum E {
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};
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struct bar {
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enum E : decltype(outer())::td_int(4);
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enum F : decltype(outer())::td_int;
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enum G : decltype; // expected-error{{expected '(' after 'decltype'}}
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};
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}
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