// RUN: %clang_cc1 -Wreorder -fsyntax-only -verify %s
// RUN: %clang_cc1 -Wreorder -fsyntax-only -verify -std=c++98 %s
// RUN: %clang_cc1 -Wreorder -fsyntax-only -verify -std=c++11 %s
class A {
int m;
public:
A() : A::m(17) { } // expected-error {{member initializer 'm' does not name a non-static data member or base class}}
A(int);
};
class B : public A {
public:
B() : A(), m(1), n(3.14) { }
private:
int m;
float n;
};
class C : public virtual B {
public:
C() : B() { }
};
class D : public C {
public:
D() : B(), C() { }
};
class E : public D, public B { // expected-warning{{direct base 'B' is inaccessible due to ambiguity:\n class E -> D -> C -> B\n class E -> B}}
public:
E() : B(), D() { } // expected-error{{base class initializer 'B' names both a direct base class and an inherited virtual base class}}
};
typedef int INT;
class F : public B {
public:
int B;
F() : B(17),
m(17), // expected-error{{member initializer 'm' does not name a non-static data member or base class}}
INT(17) // expected-error{{constructor initializer 'INT' (aka 'int') does not name a class}}
{
}
};
class G : A {
G() : A(10); // expected-error{{expected '{'}}
};
void f() : a(242) { } // expected-error{{only constructors take base initializers}}
class H : A {
H();
};
H::H() : A(10) { }
class X {};
class Y {};
struct S : Y, virtual X {
S ();
};
struct Z : S {
Z() : X(), S(), E() {} // expected-error {{type 'E' is not a direct or virtual base of 'Z'}}
};
class U {
union { int a; char* p; };
union { int b; double d; };
U() : a(1), // expected-note {{previous initialization is here}}
p(0), // expected-error {{initializing multiple members of union}}
d(1.0) {}
};
struct V {};
struct Base {};
struct Base1 {};
struct Derived : Base, Base1, virtual V {
Derived ();
};
struct Current : Derived {
int Derived;
Current() : Derived(1), ::Derived(), // expected-warning {{initializer order does not match the declaration order}} \
// expected-note {{field 'Derived' will be initialized after base '::Derived'}} \
// expected-note {{base class '::Derived' will be initialized after base 'Derived::V'}}
::Derived::Base(), // expected-error {{type '::Derived::Base' is not a direct or virtual base of 'Current'}}
Derived::Base1(), // expected-error {{type 'Derived::Base1' is not a direct or virtual base of 'Current'}}
Derived::V(),
::NonExisting(), // expected-error {{member initializer 'NonExisting' does not name a non-static data member or}}
INT::NonExisting() {} // expected-error {{'INT' (aka 'int') is not a class, namespace, or enumeration}} \
// expected-error {{member initializer 'NonExisting' does not name a non-static data member or}}
};
struct M { // expected-note 2 {{candidate constructor (the implicit copy constructor)}}
#if __cplusplus >= 201103L // C++11 or later
// expected-note@-2 2 {{candidate constructor (the implicit move constructor) not viable}}
#endif
// expected-note@-4 2 {{'M' declared here}}
M(int i, int j); // expected-note 2 {{candidate constructor}}
};
struct N : M {
N() : M(1), // expected-error {{no matching constructor for initialization of 'M'}}
m1(100) { } // expected-error {{no matching constructor for initialization of 'M'}}
M m1;
};
struct P : M {
P() { } // expected-error {{constructor for 'P' must explicitly initialize the base class 'M' which does not have a default constructor}} \
// expected-error {{member 'm'}}
M m; // expected-note {{member is declared here}}
};
struct Q {
Q() : f1(1,2), // expected-error {{excess elements in scalar initializer}}
pf(0.0) { } // expected-error {{cannot initialize a member subobject of type 'float *' with an rvalue of type 'double'}}
float f1;
float *pf;
};
// A silly class used to demonstrate field-is-uninitialized in constructors with
// multiple params.
int IntParam(int i) { return 0; };
class TwoInOne { public: TwoInOne(TwoInOne a, TwoInOne b) {} };
class InitializeUsingSelfTest {
bool A;
char* B;
int C;
TwoInOne D;
int E;
InitializeUsingSelfTest(int F)
: A(A), // expected-warning {{field 'A' is uninitialized when used here}}
B((((B)))), // expected-warning {{field 'B' is uninitialized when used here}}
C(A && InitializeUsingSelfTest::C), // expected-warning {{field 'C' is uninitialized when used here}}
D(D, // expected-warning {{field 'D' is uninitialized when used here}}
D), // expected-warning {{field 'D' is uninitialized when used here}}
E(IntParam(E)) {} // expected-warning {{field 'E' is uninitialized when used here}}
};
int IntWrapper(int &i) { return 0; };
class InitializeUsingSelfExceptions {
int A;
int B;
int C;
void *P;
InitializeUsingSelfExceptions(int B)
: A(IntWrapper(A)), // Due to a conservative implementation, we do not report warnings inside function/ctor calls even though it is possible to do so.
B(B), // Not a warning; B is a local variable.
C(sizeof(C)), // sizeof doesn't reference contents, do not warn
P(&P) {} // address-of doesn't reference contents (the pointer may be dereferenced in the same expression but it would be rare; and weird)
};
class CopyConstructorTest {
bool A, B, C;
CopyConstructorTest(const CopyConstructorTest& rhs)
: A(rhs.A),
B(B), // expected-warning {{field 'B' is uninitialized when used here}}
C(rhs.C || C) { } // expected-warning {{field 'C' is uninitialized when used here}}
};
// Make sure we aren't marking default constructors when we shouldn't be.
template<typename T>
struct NDC {
T &ref;
NDC() { }
NDC(T &ref) : ref(ref) { }
};
struct X0 : NDC<int> {
X0(int &ref) : NDC<int>(ref), ndc(ref) { }
NDC<int> ndc;
};
namespace Test0 {
struct A { A(); };
struct B {
B() { }
const A a;
};
}
namespace Test1 {
struct A {
enum Kind { Foo } Kind;
A() : Kind(Foo) {}
};
}
namespace Test2 {
struct A {
A(const A&);
};
struct B : virtual A { };
struct C : A, B { }; // expected-warning{{direct base 'A' is inaccessible due to ambiguity:\n struct Test2::C -> A\n struct Test2::C -> B -> A}}
C f(C c) {
return c;
}
}
// Don't build implicit initializers for anonymous union fields when we already
// have an explicit initializer for another field in the union.
namespace PR7402 {
struct S {
union {
void* ptr_;
struct { int i_; };
};
template <typename T> S(T) : ptr_(0) { }
};
void f() {
S s(3);
}
}
// Don't crash. Lots of questionable recovery here; errors can change.
namespace test3 {
class A : public std::exception {}; // expected-error {{undeclared identifier}} expected-error {{expected class name}}
// expected-note@-1 {{candidate constructor (the implicit copy constructor) not viable}}
#if __cplusplus >= 201103L // C++11 or later
// expected-note@-3 {{candidate constructor (the implicit move constructor) not viable}}
#endif
// expected-note@-5 {{candidate constructor (the implicit default constructor) not viable}}
class B : public A {
public:
B(const String& s, int e=0) // expected-error {{unknown type name}}
: A(e), m_String(s) , m_ErrorStr(__null) {} // expected-error {{no matching constructor}} \
expected-error {{member initializer 'm_String' does not name}} \
expected-error {{member initializer 'm_ErrorStr' does not name}}
B(const B& e)
: A(e), m_String(e.m_String), m_ErrorStr(__null) { // expected-error 2{{does not name}} \
// expected-error {{no member named 'm_String' in 'test3::B'}}
}
};
}
// PR8075
namespace PR8075 {
struct S1 {
enum { FOO = 42 };
static const int bar = 42;
static int baz();
S1(int);
};
const int S1::bar;
struct S2 {
S1 s1;
S2() : s1(s1.FOO) {}
};
struct S3 {
S1 s1;
S3() : s1(s1.bar) {}
};
struct S4 {
S1 s1;
S4() : s1(s1.baz()) {}
};
}
namespace PR12049 {
int function();
class Class
{
public:
Class() : member(function() {} // expected-note {{to match this '('}}
int member; // expected-error {{expected ')'}}
};
}
namespace PR14073 {
struct S1 { union { int n; }; S1() : n(n) {} }; // expected-warning {{field 'n' is uninitialized when used here}}
struct S2 { union { union { int n; }; char c; }; S2() : n(n) {} }; // expected-warning {{field 'n' is uninitialized when used here}}
struct S3 { struct { int n; }; S3() : n(n) {} }; // expected-warning {{field 'n' is uninitialized when used here}}
}
namespace PR10758 {
struct A;
struct B {
B (A const &); // expected-note 2 {{candidate constructor not viable: no known conversion from 'const B' to 'const A &' for 1st argument}}
B (B &); // expected-note 2 {{candidate constructor not viable: 1st argument ('const B') would lose const qualifier}}
};
struct A {
A (B); // expected-note 2 {{passing argument to parameter here}}
};
B f(B const &b) {
return b; // expected-error {{no matching constructor for initialization of 'B'}}
}
A f2(const B &b) {
return b; // expected-error {{no matching constructor for initialization of 'B'}}
}
}
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