def test_windll(self):
if os.name != 'nt':
py.test.skip('Run only on windows')
from rpython.rlib.libffi import WinDLL
dll = WinDLL('Kernel32.dll')
sleep = dll.getpointer('Sleep',[types.uint], types.void)
chain = ArgChain()
chain.arg(10)
sleep.call(chain, lltype.Void, is_struct=False)
def test_windll(self):
if os.name != 'nt':
py.test.skip('Run only on windows')
from rpython.rlib.libffi import WinDLL
dll = WinDLL('Kernel32.dll')
sleep = dll.getpointer('Sleep', [types.uint], types.void)
chain = ArgChain()
chain.arg(10)
sleep.call(chain, lltype.Void, is_struct=False)
def libffi_stuff(i, j):
lib = CDLL(libm_name)
func = lib.getpointer("fabs", [types.double], types.double)
res = 0.0
x = float(j)
while i > 0:
jitdriver2.jit_merge_point(i=i, res=res, func=func, x=x)
promote(func)
argchain = ArgChain()
argchain.arg(x)
res = func.call(argchain, rffi.DOUBLE)
i -= 1
return res
def libffi_stuff(i, j):
lib = CDLL(libm_name)
func = lib.getpointer('fabs', [types.double], types.double)
res = 0.0
x = float(j)
v2 = Virt2(i)
while v2.i > 0:
jitdriver2.jit_merge_point(v2=v2, res=res, func=func, x=x)
promote(func)
argchain = ArgChain()
argchain.arg(x)
res = func.call(argchain, rffi.DOUBLE)
v2.i -= 1
return res
def test_argchain(self):
chain = ArgChain()
assert chain.numargs == 0
chain2 = chain.arg(42)
assert chain2 is chain
assert chain.numargs == 1
intarg = chain.first
assert chain.last is intarg
assert intarg.intval == 42
chain.arg(123.45)
assert chain.numargs == 2
assert chain.first is intarg
assert intarg.next is chain.last
floatarg = intarg.next
assert floatarg.floatval == 123.45
def test_argchain(self):
chain = ArgChain()
assert chain.numargs == 0
chain2 = chain.arg(42)
assert chain2 is chain
assert chain.numargs == 1
intarg = chain.first
assert chain.last is intarg
assert intarg.intval == 42
chain.arg(123.45)
assert chain.numargs == 2
assert chain.first is intarg
assert intarg.next is chain.last
floatarg = intarg.next
assert floatarg.floatval == 123.45
def call(self, funcspec, args, RESULT, is_struct=False, jitif=[]):
"""
Call the specified function after constructing and ArgChain with the
arguments in ``args``.
The function is specified with ``funcspec``, which is a tuple of the
form (lib, name, argtypes, restype).
This method is overridden by metainterp/test/test_fficall.py in
order to do the call in a loop and JIT it. The optional arguments are
used only by that overridden method.
"""
lib, name, argtypes, restype = funcspec
func = lib.getpointer(name, argtypes, restype)
chain = ArgChain()
for arg in args:
if isinstance(arg, tuple):
methname, arg = arg
meth = getattr(chain, methname)
meth(arg)
else:
chain.arg(arg)
return func.call(chain, RESULT, is_struct=is_struct)
def call(self, funcspec, args, RESULT, is_struct=False, jitif=[]):
"""
Call the specified function after constructing and ArgChain with the
arguments in ``args``.
The function is specified with ``funcspec``, which is a tuple of the
form (lib, name, argtypes, restype).
This method is overridden by metainterp/test/test_fficall.py in
order to do the call in a loop and JIT it. The optional arguments are
used only by that overridden method.
"""
lib, name, argtypes, restype = funcspec
func = lib.getpointer(name, argtypes, restype)
chain = ArgChain()
for arg in args:
if isinstance(arg, tuple):
methname, arg = arg
meth = getattr(chain, methname)
meth(arg)
else:
chain.arg(arg)
return func.call(chain, RESULT, is_struct=is_struct)