forked from OSchip/llvm-project
115 lines
4.0 KiB
C++
115 lines
4.0 KiB
C++
// RUN: clang-cc -fsyntax-only -verify -fms-extensions %s
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// Straight from the standard:
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// Plain function with spec
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void f() throw(int);
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// Pointer to function with spec
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void (*fp)() throw (int);
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// Function taking reference to function with spec
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void g(void pfa() throw(int));
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// Typedef for pointer to function with spec
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typedef int (*pf)() throw(int); // expected-error {{specifications are not allowed in typedefs}}
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// Some more:
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// Function returning function with spec
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void (*h())() throw(int);
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// Ultimate parser thrill: function with spec returning function with spec and
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// taking pointer to function with spec.
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// The actual function throws int, the return type double, the argument float.
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void (*i() throw(int))(void (*)() throw(float)) throw(double);
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// Pointer to pointer to function taking function with spec
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void (**k)(void pfa() throw(int)); // no-error
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// Pointer to pointer to function with spec
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void (**j)() throw(int); // expected-error {{not allowed beyond a single}}
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// Pointer to function returning pointer to pointer to function with spec
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void (**(*h())())() throw(int); // expected-error {{not allowed beyond a single}}
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struct Incomplete;
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// Exception spec must not have incomplete types, or pointers to them, except
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// void.
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void ic1() throw(void); // expected-error {{incomplete type 'void' is not allowed in exception specification}}
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void ic2() throw(Incomplete); // expected-error {{incomplete type 'struct Incomplete' is not allowed in exception specification}}
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void ic3() throw(void*);
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void ic4() throw(Incomplete*); // expected-error {{pointer to incomplete type 'struct Incomplete' is not allowed in exception specification}}
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void ic5() throw(Incomplete&); // expected-error {{reference to incomplete type 'struct Incomplete' is not allowed in exception specification}}
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// Redeclarations
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typedef int INT;
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void r1() throw(int);
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void r1() throw(int);
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void r2() throw(int);
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void r2() throw(INT);
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// throw-any spec and no spec at all are semantically equivalent
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void r3();
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void r3() throw(...);
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void r4() throw(int, float);
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void r4() throw(float, int);
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void r5() throw(int); // expected-note {{previous declaration}}
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void r5(); // expected-error {{exception specification in declaration does not match}}
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void r6() throw(...); // expected-note {{previous declaration}}
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void r6() throw(int); // expected-error {{exception specification in declaration does not match}}
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void r7() throw(int); // expected-note {{previous declaration}}
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void r7() throw(float); // expected-error {{exception specification in declaration does not match}}
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// Top-level const doesn't matter.
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void r8() throw(int);
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void r8() throw(const int);
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struct A
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{
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};
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struct B1 : A
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{
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};
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struct B2 : A
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{
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};
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struct D : B1, B2
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{
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};
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struct Base
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{
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virtual void f1() throw();
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virtual void f2();
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virtual void f3() throw(...);
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virtual void f4() throw(int, float);
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virtual void f5() throw(int, float);
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virtual void f6() throw(A);
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virtual void f7() throw(A, int, float);
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virtual void f8();
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virtual void g1() throw(); // expected-note {{overridden virtual function is here}}
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virtual void g2() throw(int); // expected-note {{overridden virtual function is here}}
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virtual void g3() throw(A); // expected-note {{overridden virtual function is here}}
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virtual void g4() throw(B1); // expected-note {{overridden virtual function is here}}
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};
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struct Derived : Base
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{
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virtual void f1() throw();
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virtual void f2() throw(...);
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virtual void f3();
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virtual void f4() throw(float, int);
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virtual void f5() throw(float);
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virtual void f6() throw(B1);
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virtual void f7() throw(B1, B2, int);
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virtual void f8() throw(B2, B2, int, float, char, double, bool);
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virtual void g1() throw(int); // expected-error {{exception specification of overriding function is more lax}}
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virtual void g2(); // expected-error {{exception specification of overriding function is more lax}}
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virtual void g3() throw(D); // expected-error {{exception specification of overriding function is more lax}}
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virtual void g4() throw(A); // expected-error {{exception specification of overriding function is more lax}}
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};
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