p1.cpp revision d37b360bf9f954af119c9805fdc79ab9d30e06c6
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// RUN: %clang_cc1 -fsyntax-only -verify %s 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct Outer { 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct Inner { 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int intfield; 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct Base { 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void base_member(); 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) typedef int Int; 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Int typedeffed_member(); 147dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch}; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct Derived : public Base { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int myglobal; 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void global_function(); 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)extern "C" { 23eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch void global_c_function(); 24eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 267dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochclass A { 277dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch class AInner { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend class PreDeclared; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend class Outer::Inner; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend int Outer::Inner::intfield; // expected-error {{friends can only be classes or functions}} 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend int Outer::Inner::missing_field; //expected-error {{friends can only be classes or functions}} 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend int myoperation(float); // okay 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend int myglobal; // expected-error {{friends can only be classes or functions}} 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 377dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch friend void global_function(); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend void global_c_function(); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend class UndeclaredSoFar; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UndeclaredSoFar x; // expected-error {{unknown type name 'UndeclaredSoFar'}} 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void a_member(); 447dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch friend void A::a_member(); // expected-error {{friends cannot be members of the declaring class}} 457dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch friend void a_member(); // okay (because we ignore class scopes when looking up friends) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend class A::AInner; // this is okay as an extension 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) friend class AInner; // okay, refers to ::AInner 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend void Derived::missing_member(); // expected-error {{no function named 'missing_member' with type 'void ()' was found in the specified scope}} 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend void Derived::base_member(); // expected-error {{no function named 'base_member' with type 'void ()' was found in the specified scope}} 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend int Base::typedeffed_member(); // okay: should look through typedef 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // These test that the friend is properly not being treated as a 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // member function. 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend A operator|(const A& l, const A& r); // okay 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend A operator|(const A& r); // expected-error {{overloaded 'operator|' must be a binary operator (has 1 parameter)}} 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend operator bool() const; // expected-error {{must use a qualified name when declaring a conversion operator as a friend}} \ 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // expected-error{{non-member function cannot have 'const' qualifier}} 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) typedef void ftypedef(); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend ftypedef typedeffed_function; // okay (because it's not declared as a member) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) class facet; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend class facet; // should not assert 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) class facet {}; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)A::UndeclaredSoFar y; // expected-error {{no type named 'UndeclaredSoFar' in 'A'}} 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PreDeclared; 742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int myoperation(float f) { 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return (int) f; 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)