TheRock/compiler/amd-llvm/clang/test/CXX/except/except.spec/p2-places.cpp

// RUN: %clang_cc1 -std=c++11 -fexceptions -fcxx-exceptions -fsyntax-only -verify %s

// Tests where specs are allowed and where they aren't.

namespace dyn {

  // Straight from the standard:

  // Plain function with spec
  void f() throw(int);

  // Pointer to function with spec
  void (*fp)() throw (int);

  // Function taking reference to function with spec
  void g(void pfa() throw(int));

  // Typedef for pointer to function with spec
  typedef int (*pf)() throw(int); // expected-error {{specifications are not allowed in typedefs}}

  // Some more:

  // Function returning function with spec
  void (*h())() throw(int);

  // Ultimate parser thrill: function with spec returning function with spec and
  // taking pointer to function with spec.
  // The actual function throws int, the return type double, the argument float.
  void (*i() throw(int))(void (*)() throw(float)) throw(double);

  // Pointer to pointer to function taking function with spec
  void (**k)(void pfa() throw(int)); // no-error

  // Pointer to pointer to function with spec
  void (**j)() throw(int); // expected-error {{not allowed beyond a single}}

  // Pointer to function returning pointer to pointer to function with spec
  void (**(*h())())() throw(int); // expected-error {{not allowed beyond a single}}

  // FIXME: Missing a lot of negative tests, primarily type-ids in various places
  // We fail to diagnose all of those.
}

namespace noex {

  // These parallel those from above.

  void f() noexcept(false);

  void (*fp)() noexcept(false);

  void g(void pfa() noexcept(false));

  typedef int (*pf)() noexcept(false); // expected-error {{specifications are not allowed in typedefs}}

  void (*h())() noexcept(false);

  void (*i() noexcept(false))(void (*)() noexcept(true)) noexcept(false);

  void (**k)(void pfa() noexcept(false)); // no-error

  void (**j)() noexcept(false); // expected-error {{not allowed beyond a single}}

  void (**(*h())())() noexcept(false); // expected-error {{not allowed beyond a single}}
}