1 // RUN: %clang_cc1 -verify -std=c++11 -Wno-anonymous-pack-parens %s
2 // RUN: cp %s %t
3 // RUN: not %clang_cc1 -x c++ -std=c++11 -fixit %t
4 // RUN: %clang_cc1 -Wall -pedantic -x c++ -std=c++11 %t
5 
6 /* This is a test of the various code modification hints that only
7    apply in C++0x. */
8 struct A {
9   explicit operator int(); // expected-note{{conversion to integral type}}
10 };
11 
x()12 void x() {
13   switch(A()) { // expected-error{{explicit conversion to}}
14   }
15 }
16 
17 using ::T = void; // expected-error {{name defined in alias declaration must be an identifier}}
18 using typename U = void; // expected-error {{name defined in alias declaration must be an identifier}}
19 using typename ::V = void; // expected-error {{name defined in alias declaration must be an identifier}}
20 
21 namespace SemiCommaTypo {
22   int m {},
23   n [[]], // expected-error {{expected ';' at end of declaration}}
24   int o;
25 
26   struct Base {
27     virtual void f2(), f3();
28   };
29   struct MemberDeclarator : Base {
30     int k : 4,
31         //[[]] : 1, FIXME: test this once we support attributes here
32         : 9, // expected-error {{expected ';' at end of declaration}}
33     char c, // expected-error {{expected ';' at end of declaration}}
34     typedef void F(), // expected-error {{expected ';' at end of declaration}}
35     F f1,
36       f2 final,
37       f3 override, // expected-error {{expected ';' at end of declaration}}
38   };
39 }
40 
41 namespace ScopedEnum {
42   enum class E { a };
43 
44   enum class E b = E::a; // expected-error {{must use 'enum' not 'enum class'}}
45   struct S {
46     friend enum class E; // expected-error {{must use 'enum' not 'enum class'}}
47   };
48 }
49 
50 struct S2 {
51   void f(int i);
52   void g(int i);
53 };
54 
f(int i)55 void S2::f(int i) {
56   (void)[&, &i, &i]{}; // expected-error 2{{'&' cannot precede a capture when the capture default is '&'}}
57   (void)[=, this]{ this->g(5); }; // expected-error{{'this' cannot be explicitly captured}}
58   (void)[i, i]{ }; // expected-error{{'i' can appear only once in a capture list}}
59   (void)[&, i, i]{ }; // expected-error{{'i' can appear only once in a capture list}}
60   (void)[] mutable { }; // expected-error{{lambda requires '()' before 'mutable'}}
61   (void)[] -> int { }; // expected-error{{lambda requires '()' before return type}}
62 }
63 
64 #define bar "bar"
65 const char *p = "foo"bar; // expected-error {{requires a space between}}
66 #define ord - '0'
67 int k = '4'ord; // expected-error {{requires a space between}}
68 
69 void operator"x" _y(char); // expected-error {{must be '""'}}
70 void operator L"" _z(char); // expected-error {{encoding prefix}}
71 void operator "x" "y" U"z" ""_whoops "z" "y"(char); // expected-error {{must be '""'}}
72 
f()73 void f() {
74   'b'_y;
75   'c'_z;
76   'd'_whoops;
77 }
78 
79 template<typename ...Ts> struct MisplacedEllipsis {
80   int a(Ts ...(x)); // expected-error {{'...' must immediately precede declared identifier}}
81   int b(Ts ...&x); // expected-error {{'...' must immediately precede declared identifier}}
82   int c(Ts ...&); // expected-error {{'...' must be innermost component of anonymous pack declaration}}
83   int d(Ts ...(...&...)); // expected-error 2{{'...' must be innermost component of anonymous pack declaration}}
84   int e(Ts ...*[]); // expected-error {{'...' must be innermost component of anonymous pack declaration}}
85   int f(Ts ...(...*)()); // expected-error 2{{'...' must be innermost component of anonymous pack declaration}}
86   int g(Ts ...()); // ok
87 };
88 namespace TestMisplacedEllipsisRecovery {
89   MisplacedEllipsis<int, char> me;
90   int i; char k;
91   int *ip; char *kp;
92   int ifn(); char kfn();
93   int a = me.a(i, k);
94   int b = me.b(i, k);
95   int c = me.c(i, k);
96   int d = me.d(i, k);
97   int e = me.e(&ip, &kp);
98   int f = me.f(ifn, kfn);
99   int g = me.g(ifn, kfn);
100 }
101 
102 template<template<typename> ...Foo, // expected-error {{template template parameter requires 'class' after the parameter list}}
103          template<template<template<typename>>>> // expected-error 3 {{template template parameter requires 'class' after the parameter list}}
104 void func();
105 
106 template<int *ip> struct IP { }; // expected-note{{declared here}}
107 IP<0> ip0; // expected-error{{null non-type template argument must be cast to template parameter type 'int *'}}
108 
109 namespace MissingSemi {
110   struct a // expected-error {{expected ';' after struct}}
111   struct b // expected-error {{expected ';' after struct}}
112   enum x : int { x1, x2, x3 } // expected-error {{expected ';' after enum}}
113   struct c // expected-error {{expected ';' after struct}}
114   enum x : int // expected-error {{expected ';' after enum}}
115   // FIXME: The following gives a poor diagnostic (we parse the 'int' and the
116   // 'struct' as part of the same enum-base.
117   //   enum x : int
118   //   struct y
119   namespace N {
120     struct d // expected-error {{expected ';' after struct}}
121   }
122 }
123 
124 namespace NonStaticConstexpr {
125   struct foo {
126     constexpr int i; // expected-error {{non-static data member cannot be constexpr; did you intend to make it const?}}
127     constexpr int j = 7; // expected-error {{non-static data member cannot be constexpr; did you intend to make it static?}}
128     constexpr const int k; // expected-error {{non-static data member cannot be constexpr; did you intend to make it const?}}
fooSemiCommaTypo::NonStaticConstexpr::foo129     foo() : i(3), k(4) {
130     }
get_jSemiCommaTypo::NonStaticConstexpr::foo131     static int get_j() {
132       return j;
133     }
134   };
135 }
136 
RegisterVariable()137 int RegisterVariable() {
138   register int n; // expected-warning {{'register' storage class specifier is deprecated}}
139   return n;
140 }
141 
142 namespace MisplacedParameterPack {
143   template <typename Args...> // expected-error {{'...' must immediately precede declared identifier}}
144   void misplacedEllipsisInTypeParameter(Args...);
145 
146   template <typename... Args...> // expected-error {{'...' must immediately precede declared identifier}}
147   void redundantEllipsisInTypeParameter(Args...);
148 
149   template <template <typename> class Args...> // expected-error {{'...' must immediately precede declared identifier}}
150   void misplacedEllipsisInTemplateTypeParameter(Args<int>...);
151 
152   template <template <typename> class... Args...> // expected-error {{'...' must immediately precede declared identifier}}
153   void redundantEllipsisInTemplateTypeParameter(Args<int>...);
154 
155   template <int N...> // expected-error {{'...' must immediately precede declared identifier}}
156   void misplacedEllipsisInNonTypeTemplateParameter();
157 
158   template <int... N...> // expected-error {{'...' must immediately precede declared identifier}}
159   void redundantEllipsisInNonTypeTemplateParameter();
160 }
161