forked from OSchip/llvm-project
423 lines
16 KiB
C++
423 lines
16 KiB
C++
// RUN: %clang_cc1 -pedantic -Wall -Wno-comment -verify -fcxx-exceptions -x c++ -std=c++98 %s
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// RUN: cp %s %t-98
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// RUN: not %clang_cc1 -pedantic -Wall -Wno-comment -fcxx-exceptions -fixit -x c++ -std=c++98 %t-98
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// RUN: %clang_cc1 -fsyntax-only -pedantic -Wall -Werror -Wno-comment -fcxx-exceptions -x c++ -std=c++98 %t-98
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// RUN: not %clang_cc1 -fsyntax-only -fdiagnostics-parseable-fixits -x c++ -std=c++11 %s 2>&1 | FileCheck %s
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// RUN: %clang_cc1 -pedantic -Wall -Wno-comment -verify -fcxx-exceptions -x c++ -std=c++11 %s
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// RUN: cp %s %t-11
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// RUN: not %clang_cc1 -pedantic -Wall -Wno-comment -fcxx-exceptions -fixit -x c++ -std=c++11 %t-11
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// RUN: %clang_cc1 -fsyntax-only -pedantic -Wall -Werror -Wno-comment -fcxx-exceptions -x c++ -std=c++11 %t-11
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/* This is a test of the various code modification hints that are
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provided as part of warning or extension diagnostics. All of the
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warnings will be fixed by -fixit, and the resulting file should
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compile cleanly with -Werror -pedantic. */
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struct C1 {
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virtual void f();
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static void g();
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};
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struct C2 : virtual public virtual C1 { }; // expected-error{{duplicate}}
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virtual void C1::f() { } // expected-error{{'virtual' can only be specified inside the class definition}}
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static void C1::g() { } // expected-error{{'static' can only be specified inside the class definition}}
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template<int Value> struct CT { template<typename> struct Inner; }; // expected-note{{previous use is here}}
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// FIXME: In C++11 this gets 'expected unqualified-id' which fixit can't fix.
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// Probably parses as `CT<10> > 2 > ct;` rather than `CT<(10 >> 2)> ct;`.
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#if __cplusplus < 201103L
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CT<10 >> 2> ct; // expected-warning{{require parentheses}}
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#endif
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class C3 {
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public:
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C3(C3, int i = 0); // expected-error{{copy constructor must pass its first argument by reference}}
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};
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struct CT<0> { }; // expected-error{{'template<>'}}
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template<> union CT<1> { }; // expected-error{{tag type}}
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struct CT<2>::Inner<int> { }; // expected-error 2{{'template<>'}}
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// Access declarations
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class A {
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protected:
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int foo();
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};
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class B : public A {
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#if __cplusplus >= 201103L
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A::foo; // expected-error{{ISO C++11 does not allow access declarations}}
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#else
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A::foo; // expected-warning{{access declarations are deprecated}}
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#endif
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};
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void f() throw(); // expected-note{{previous}}
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void f(); // expected-error{{missing exception specification}}
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namespace rdar7853795 {
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struct A {
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bool getNumComponents() const; // expected-note{{declared here}}
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void dump() const {
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getNumComponenets(); // expected-error{{use of undeclared identifier 'getNumComponenets'; did you mean 'getNumComponents'?}}
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}
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};
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}
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namespace rdar7796492 {
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struct A { int x, y; A(); };
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A::A()
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: x(1) y(2) { // expected-error{{missing ',' between base or member initializers}}
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}
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}
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// extra qualification on member
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class C {
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int C::foo(); // expected-error {{extra qualification}}
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};
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namespace rdar8488464 {
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int x = 0;
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int x1 &= 0; // expected-error {{invalid '&=' at end of declaration; did you mean '='?}}
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int x2 *= 0; // expected-error {{invalid '*=' at end of declaration; did you mean '='?}}
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int x3 += 0; // expected-error {{invalid '+=' at end of declaration; did you mean '='?}}
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int x4 -= 0; // expected-error {{invalid '-=' at end of declaration; did you mean '='?}}
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int x5 != 0; // expected-error {{invalid '!=' at end of declaration; did you mean '='?}}
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int x6 /= 0; // expected-error {{invalid '/=' at end of declaration; did you mean '='?}}
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int x7 %= 0; // expected-error {{invalid '%=' at end of declaration; did you mean '='?}}
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int x8 <= 0; // expected-error {{invalid '<=' at end of declaration; did you mean '='?}}
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int x9 <<= 0; // expected-error {{invalid '<<=' at end of declaration; did you mean '='?}}
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int x10 >= 0; // expected-error {{invalid '>=' at end of declaration; did you mean '='?}}
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int x11 >>= 0; // expected-error {{invalid '>>=' at end of declaration; did you mean '='?}}
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int x12 ^= 0; // expected-error {{invalid '^=' at end of declaration; did you mean '='?}}
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int x13 |= 0; // expected-error {{invalid '|=' at end of declaration; did you mean '='?}}
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int x14 == 0; // expected-error {{invalid '==' at end of declaration; did you mean '='?}}
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void f() {
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int x = 0;
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(void)x;
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int x1 &= 0; // expected-error {{invalid '&=' at end of declaration; did you mean '='?}}
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(void)x1;
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int x2 *= 0; // expected-error {{invalid '*=' at end of declaration; did you mean '='?}}
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(void)x2;
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int x3 += 0; // expected-error {{invalid '+=' at end of declaration; did you mean '='?}}
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(void)x3;
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int x4 -= 0; // expected-error {{invalid '-=' at end of declaration; did you mean '='?}}
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(void)x4;
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int x5 != 0; // expected-error {{invalid '!=' at end of declaration; did you mean '='?}}
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(void)x5;
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int x6 /= 0; // expected-error {{invalid '/=' at end of declaration; did you mean '='?}}
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(void)x6;
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int x7 %= 0; // expected-error {{invalid '%=' at end of declaration; did you mean '='?}}
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(void)x7;
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int x8 <= 0; // expected-error {{invalid '<=' at end of declaration; did you mean '='?}}
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(void)x8;
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int x9 <<= 0; // expected-error {{invalid '<<=' at end of declaration; did you mean '='?}}
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(void)x9;
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int x10 >= 0; // expected-error {{invalid '>=' at end of declaration; did you mean '='?}}
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(void)x10;
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int x11 >>= 0; // expected-error {{invalid '>>=' at end of declaration; did you mean '='?}}
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(void)x11;
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int x12 ^= 0; // expected-error {{invalid '^=' at end of declaration; did you mean '='?}}
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(void)x12;
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int x13 |= 0; // expected-error {{invalid '|=' at end of declaration; did you mean '='?}}
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(void)x13;
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int x14 == 0; // expected-error {{invalid '==' at end of declaration; did you mean '='?}}
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(void)x14;
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if (int x = 0) { (void)x; }
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if (int x1 &= 0) { (void)x1; } // expected-error {{invalid '&=' at end of declaration; did you mean '='?}}
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if (int x2 *= 0) { (void)x2; } // expected-error {{invalid '*=' at end of declaration; did you mean '='?}}
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if (int x3 += 0) { (void)x3; } // expected-error {{invalid '+=' at end of declaration; did you mean '='?}}
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if (int x4 -= 0) { (void)x4; } // expected-error {{invalid '-=' at end of declaration; did you mean '='?}}
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if (int x5 != 0) { (void)x5; } // expected-error {{invalid '!=' at end of declaration; did you mean '='?}}
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if (int x6 /= 0) { (void)x6; } // expected-error {{invalid '/=' at end of declaration; did you mean '='?}}
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if (int x7 %= 0) { (void)x7; } // expected-error {{invalid '%=' at end of declaration; did you mean '='?}}
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if (int x8 <= 0) { (void)x8; } // expected-error {{invalid '<=' at end of declaration; did you mean '='?}}
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if (int x9 <<= 0) { (void)x9; } // expected-error {{invalid '<<=' at end of declaration; did you mean '='?}}
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if (int x10 >= 0) { (void)x10; } // expected-error {{invalid '>=' at end of declaration; did you mean '='?}}
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if (int x11 >>= 0) { (void)x11; } // expected-error {{invalid '>>=' at end of declaration; did you mean '='?}}
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if (int x12 ^= 0) { (void)x12; } // expected-error {{invalid '^=' at end of declaration; did you mean '='?}}
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if (int x13 |= 0) { (void)x13; } // expected-error {{invalid '|=' at end of declaration; did you mean '='?}}
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if (int x14 == 0) { (void)x14; } // expected-error {{invalid '==' at end of declaration; did you mean '='?}}
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}
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}
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template <class A>
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class F1 {
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public:
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template <int B>
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class Iterator {
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};
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};
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template<class T>
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class F2 {
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typename F1<T>:: /*template*/ Iterator<0> Mypos; // expected-error {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
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};
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template <class T>
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void f(){
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typename F1<T>:: /*template*/ Iterator<0> Mypos; // expected-error {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
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}
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// Tests for &/* fixits radar 7113438.
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class AD {};
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class BD: public AD {};
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void test (BD &br) {
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AD* aPtr;
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BD b;
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aPtr = b; // expected-error {{assigning to 'AD *' from incompatible type 'BD'; take the address with &}}
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aPtr = br; // expected-error {{assigning to 'AD *' from incompatible type 'BD'; take the address with &}}
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}
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void foo1() const {} // expected-error {{non-member function cannot have 'const' qualifier}}
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void foo2() volatile {} // expected-error {{non-member function cannot have 'volatile' qualifier}}
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void foo3() const volatile {} // expected-error {{non-member function cannot have 'const volatile' qualifier}}
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struct S { void f(int, char); };
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int itsAComma,
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itsAComma2 = 0,
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oopsAComma(42), // expected-error {{expected ';' at end of declaration}}
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AD oopsMoreCommas() {
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static int n = 0, // expected-error {{expected ';' at end of declaration}}
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static char c,
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&d = c, // expected-error {{expected ';' at end of declaration}}
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S s, // expected-error {{expected ';' at end of declaration}}
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s.f(n, d);
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AD ad, // expected-error {{expected ';' at end of declaration}}
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return ad;
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}
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struct MoreAccidentalCommas {
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int a : 5,
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b : 7,
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: 4, // expected-error {{expected ';' at end of declaration}}
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char c, // expected-error {{expected ';' at end of declaration}}
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double d, // expected-error {{expected ';' at end of declaration}}
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MoreAccidentalCommas *next, // expected-error {{expected ';' at end of declaration}}
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public:
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int k, // expected-error {{expected ';' at end of declaration}}
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friend void f(MoreAccidentalCommas) {}
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int k2, // expected-error {{expected ';' at end of declaration}}
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virtual void g(), // expected-error {{expected ';' at end of declaration}}
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};
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template<class T> struct Mystery;
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template<class T> typedef Mystery<T>::type getMysteriousThing() { // \
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expected-error {{function definition declared 'typedef'}} \
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expected-error {{missing 'typename' prior to dependent}}
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return Mystery<T>::get();
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}
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template<template<typename> Foo, // expected-error {{template template parameter requires 'class' after the parameter list}}
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template<typename> typename Bar, // expected-warning {{template template parameter using 'typename' is a C++1z extension}}
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template<typename> struct Baz> // expected-error {{template template parameter requires 'class' after the parameter list}}
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void func();
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namespace ShadowedTagType {
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class Foo {
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public:
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enum Bar { X, Y };
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void SetBar(Bar bar);
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Bar Bar(); // expected-note 2 {{enum 'Bar' is hidden by a non-type declaration of 'Bar' here}}
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private:
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Bar bar_; // expected-error {{must use 'enum' tag to refer to type 'Bar' in this scope}}
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};
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void Foo::SetBar(Bar bar) { bar_ = bar; } // expected-error {{must use 'enum' tag to refer to type 'Bar' in this scope}}
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}
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#define NULL __null
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char c = NULL; // expected-warning {{implicit conversion of NULL constant to 'char'}}
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double dbl = NULL; // expected-warning {{implicit conversion of NULL constant to 'double'}}
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namespace arrow_suggest {
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template <typename T>
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class wrapped_ptr {
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public:
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wrapped_ptr(T* ptr) : ptr_(ptr) {}
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T* operator->() { return ptr_; }
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private:
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T *ptr_;
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};
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class Worker {
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public:
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void DoSomething();
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};
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void test() {
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wrapped_ptr<Worker> worker(new Worker);
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worker.DoSomething(); // expected-error {{no member named 'DoSomething' in 'arrow_suggest::wrapped_ptr<arrow_suggest::Worker>'; did you mean to use '->' instead of '.'?}}
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}
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} // namespace arrow_suggest
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// Make sure fixing namespace-qualified identifiers functions properly with
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// namespace-aware typo correction/
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namespace redecl_typo {
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namespace Foo {
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void BeEvil(); // expected-note {{'BeEvil' declared here}}
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}
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namespace Bar {
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namespace Foo {
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bool isGood(); // expected-note {{'Bar::Foo::isGood' declared here}}
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void beEvil();
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}
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}
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bool Foo::isGood() { // expected-error {{out-of-line definition of 'isGood' does not match any declaration in namespace 'redecl_typo::Foo'; did you mean 'Bar::Foo::isGood'?}}
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return true;
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}
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void Foo::beEvil() {} // expected-error {{out-of-line definition of 'beEvil' does not match any declaration in namespace 'redecl_typo::Foo'; did you mean 'BeEvil'?}}
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}
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// Test behavior when a template-id is ended by a token which starts with '>'.
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namespace greatergreater {
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template<typename T> struct S { S(); S(T); };
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void f(S<int>=0); // expected-error {{a space is required between a right angle bracket and an equals sign (use '> =')}}
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// FIXME: The fix-its here overlap so -fixit mode can't apply the second one.
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//void f(S<S<int>>=S<int>());
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struct Shr {
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template<typename T> Shr(T);
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template<typename T> void operator >>=(T);
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};
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template<template<typename>> struct TemplateTemplateParam; // expected-error {{requires 'class'}}
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template<typename T> void t();
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void g() {
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void (*p)() = &t<int>;
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(void)(&t<int>==p); // expected-error {{use '> ='}}
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(void)(&t<int>>=p); // expected-error {{use '> >'}}
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#if __cplusplus < 201103L
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(void)(&t<S<int>>>=p); // expected-error {{use '> >'}}
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(Shr)&t<S<int>>>>=p; // expected-error {{use '> >'}}
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#endif
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// FIXME: We correct this to '&t<int> > >= p;' not '&t<int> >>= p;'
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//(Shr)&t<int>>>=p;
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// FIXME: The fix-its here overlap.
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//(void)(&t<S<int>>==p);
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}
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}
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class foo {
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static void test() {
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(void)&i; // expected-error{{must explicitly qualify name of member function when taking its address}}
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}
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int i();
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};
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namespace dtor_fixit {
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class foo {
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~bar() { } // expected-error {{expected the class name after '~' to name a destructor}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:6-[[@LINE-1]]:9}:"foo"
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};
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class bar {
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~bar();
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};
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~bar::bar() {} // expected-error {{'~' in destructor name should be after nested name specifier}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:3-[[@LINE-1]]:4}:""
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// CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:9-[[@LINE-2]]:9}:"~"
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}
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namespace PR5066 {
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template<typename T> struct X {};
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X<int *p> x; // expected-error {{type-id cannot have a name}}
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}
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namespace PR5898 {
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class A {
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public:
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const char *str();
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};
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const char* foo(A &x)
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{
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return x.str.(); // expected-error {{unexpected '.' in function call; perhaps remove the '.'?}}
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}
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bool bar(A x, const char *y) {
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return foo->(x) == y; // expected-error {{unexpected '->' in function call; perhaps remove the '->'?}}
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}
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}
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namespace PR15045 {
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class Cl0 {
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public:
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int a;
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};
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int f() {
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Cl0 c;
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return c->a; // expected-error {{member reference type 'PR15045::Cl0' is not a pointer; did you mean to use '.'?}}
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}
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}
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namespace curly_after_base_clause {
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struct A { void f(); };
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struct B : A // expected-error{{expected '{' after base class list}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {"
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int i;
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};
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struct C : A // expected-error{{expected '{' after base class list}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {"
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using A::f;
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};
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struct D : A // expected-error{{expected '{' after base class list}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {"
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protected:
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};
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struct E : A // expected-error{{expected '{' after base class list}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {"
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template<typename T> struct inner { };
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};
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struct F : A // expected-error{{expected '{' after base class list}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {"
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F() { }
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};
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#if __cplusplus >= 201103L
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struct G : A // expected-error{{expected '{' after base class list}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {"
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constexpr G(int) { }
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};
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struct H : A // expected-error{{expected '{' after base class list}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {"
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static_assert(true, "");
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};
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#endif
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}
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struct conversion_operator {
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conversion_operator::* const operator int(); // expected-error {{put the complete type after 'operator'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:3-[[@LINE-1]]:32}:""
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// CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:44-[[@LINE-2]]:44}:" conversion_operator::* const"
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};
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struct const_zero_init {
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int a;
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};
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const const_zero_init czi; // expected-error {{default initialization of an object of const type 'const const_zero_init'}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:26-[[@LINE-1]]:26}:"{}"
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int use_czi = czi.a;
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namespace dotPointerDestructor {
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struct Bar {
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~Bar();
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};
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void bar(Bar *o) {
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o.~Bar(); // expected-error {{member reference type 'dotPointerDestructor::Bar *' is a pointer; did you mean to use '->'}}
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} // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:4-[[@LINE-1]]:5}:"->"
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}
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