def make_function_type(cffi_func):
cffi_type = ffi.typeof(cffi_func)
signature = map_type(cffi_type)
cases = [signature]
template = typing.make_concrete_template("CFFIFuncPtr", cffi_func, cases)
result = types.FunctionPointer(template, get_pointer(cffi_func))
return result
def make_function_type(cfnptr):
cargs = [convert_ctypes(a) for a in cfnptr.argtypes]
cret = convert_ctypes(cfnptr.restype)
cases = [templates.signature(cret, *cargs)]
template = templates.make_concrete_template("CFuncPtr", cfnptr, cases)
pointer = ctypes.cast(cfnptr, ctypes.c_void_p).value
return types.FunctionPointer(template, pointer)
def make_function_type(cfnptr):
if cfnptr.argtypes is None:
raise TypeError(
"ctypes function %r doesn't define its argument types; "
"consider setting the `argtypes` attribute" % (cfnptr.__name__, ))
cargs = [convert_ctypes(a) for a in cfnptr.argtypes]
cret = convert_ctypes(cfnptr.restype)
if sys.platform == 'win32' and not cfnptr._flags_ & ctypes._FUNCFLAG_CDECL:
# 'stdcall' calling convention under Windows
cconv = 'x86_stdcallcc'
else:
# Default C calling convention
cconv = None
cases = [templates.signature(cret, *cargs)]
template = templates.make_concrete_template("CFuncPtr", cfnptr, cases)
pointer = ctypes.cast(cfnptr, ctypes.c_void_p).value
return types.FunctionPointer(template, pointer, cconv=cconv)