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|
# mode: run
cdef int grail():
cdef int (*spam)()
spam = &grail
spam = grail
assert spam is grail
assert spam == grail
assert spam == &grail
ctypedef int funcptr_t()
cdef funcptr_t* get_grail():
return &grail
def test_assignments():
"""
>>> test_assignments()
"""
grail()
def test_return_value():
"""
>>> test_return_value()
True
"""
g = get_grail()
return g == &grail
def call_cfuncptr():
"""
>>> call_cfuncptr()
"""
cdef int (*spam)()
spam = grail
spam()
cdef int exceptminus2(int bad) except -2:
if bad:
raise RuntimeError
else:
return 0
def call_exceptminus2_through_exceptstar_pointer(bad):
"""
>>> call_exceptminus2_through_exceptstar_pointer(True)
Traceback (most recent call last):
...
RuntimeError
>>> call_exceptminus2_through_exceptstar_pointer(False)
0
"""
cdef int (*fptr)(int) except * # GH4770 - should not be treated as except? -1
fptr = exceptminus2
return fptr(bad)
def call_exceptminus2_through_exceptmaybeminus2_pointer(bad):
"""
>>> call_exceptminus2_through_exceptmaybeminus2_pointer(True)
Traceback (most recent call last):
...
RuntimeError
>>> call_exceptminus2_through_exceptmaybeminus2_pointer(False)
0
"""
cdef int (*fptr)(int) except ?-2 # exceptions should be compatible
fptr = exceptminus2
return fptr(bad)
cdef int noexcept_func(): # noexcept
return 0
def call_noexcept_func_except_star():
"""
>>> call_noexcept_func_except_star()
0
"""
cdef int (*fptr)() except *
fptr = noexcept_func # exception specifications are compatible
return fptr()
def call_noexcept_func_except_check():
"""
>>> call_noexcept_func_except_check()
0
"""
cdef int (*fptr)() except ?-1
fptr = noexcept_func # exception specifications are compatible
return fptr()
|
