示例#1
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 def test_windll(self):
     if os.name != 'nt':
         skip('Run only on windows')
     from pypy.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)
示例#2
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文件: test_libffi.py 项目: njues/Sypy
 def test_windll(self):
     if os.name != 'nt':
         skip('Run only on windows')
     from pypy.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)
示例#3
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 def f42(n):
     c_strchr = glob.c_strchr
     raw = rffi.str2charp("foobar" + chr((n & 63) + 32))
     argchain = ArgChain()
     argchain = argchain.arg(rffi.cast(lltype.Signed, raw))
     argchain = argchain.arg(rffi.cast(rffi.INT, ord('b')))
     res = c_strchr.call(argchain, rffi.CCHARP)
     check(rffi.charp2str(res) == "bar" + chr((n & 63) + 32))
     rffi.free_charp(raw)
示例#4
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 def f42(n):
     c_strchr = glob.c_strchr
     raw = rffi.str2charp("foobar" + chr((n & 63) + 32))
     argchain = ArgChain()
     argchain = argchain.arg(rffi.cast(lltype.Signed, raw))
     argchain = argchain.arg(rffi.cast(rffi.INT, ord('b')))
     res = c_strchr.call(argchain, rffi.CCHARP)
     check(rffi.charp2str(res) == "bar" + chr((n & 63) + 32))
     rffi.free_charp(raw)
示例#5
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文件: test_libffi.py 项目: ieure/pypy
    def call(self, funcspec, args, RESULT, init_result=0, is_struct=False):
        """
        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, r_singlefloat):
                chain.arg_singlefloat(float(arg))
            elif IS_32_BIT and isinstance(arg, r_longlong):
                chain.arg_longlong(longlong2float(arg))
            elif IS_32_BIT and isinstance(arg, r_ulonglong):
                arg = rffi.cast(rffi.LONGLONG, arg)
                chain.arg_longlong(longlong2float(arg))
            elif 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)
示例#6
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 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
示例#7
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 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
示例#8
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 def f42():
     length = len(glob.lst)
     c_qsort = glob.c_qsort
     raw = alloc1()
     fn = llhelper(CALLBACK, rffi._make_wrapper_for(CALLBACK, callback))
     argchain = ArgChain()
     argchain = argchain.arg(rffi.cast(lltype.Signed, raw))
     argchain = argchain.arg(rffi.cast(rffi.SIZE_T, 2))
     argchain = argchain.arg(rffi.cast(rffi.SIZE_T, 8))
     argchain = argchain.arg(rffi.cast(lltype.Signed, fn))
     c_qsort.call(argchain, lltype.Void)
     free1(raw)
     check(len(glob.lst) > length)
     del glob.lst[:]
示例#9
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 def f42():
     length = len(glob.lst)
     c_qsort = glob.c_qsort
     raw = alloc1()
     fn = llhelper(CALLBACK, rffi._make_wrapper_for(CALLBACK, callback))
     argchain = ArgChain()
     argchain = argchain.arg(rffi.cast(lltype.Signed, raw))
     argchain = argchain.arg(rffi.cast(rffi.SIZE_T, 2))
     argchain = argchain.arg(rffi.cast(rffi.SIZE_T, 8))
     argchain = argchain.arg(rffi.cast(lltype.Signed, fn))
     c_qsort.call(argchain, lltype.Void)
     free1(raw)
     check(len(glob.lst) > length)
     del glob.lst[:]
示例#10
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 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
示例#11
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文件: test_libffi.py 项目: njues/Sypy
 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
示例#12
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 def g(func):
     # a different function, which is marked as "dont_look_inside"
     # in case it uses an unsupported argument
     argchain = ArgChain()
     # this loop is unrolled
     for method_name, argval in method_and_args:
         getattr(argchain, method_name)(argval)
     return func.call(argchain, RESULT, is_struct=is_struct)
示例#13
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文件: ffi.py 项目: overminder/YASI
 def call(self, args_w):
     assert len(args_w) == len(self.argtypes_w)
     argchain = ArgChain()
     buffers = []
     for i in xrange(len(args_w)):
         w_arg = args_w[i]
         assert isinstance(w_arg, self.argtypes_w[i])
         if isinstance(w_arg, W_Integer):
             argchain.arg(w_arg.ival)
         elif isinstance(w_arg, W_Symbol):
             sval = w_arg.sval
             assert sval is not None
             charp = rffi.str2charp(sval)
             buffers.append(charp)
             argchain.arg(charp)
         elif isinstance(w_arg, W_String):
             sval = w_arg.content()
             assert sval is not None
             charp = rffi.str2charp(sval)
             buffers.append(charp)
             argchain.arg(charp)
         elif isinstance(w_arg, W_Boolean):
             argchain.arg(w_arg.to_bool())
         else:
             assert 0, 'unsupported argument type'
     res = self.funcptr.call(argchain, rffi.LONG) # annotate type to LONG
     for charp in buffers:
         rffi.free_charp(charp)
     #
     if self.w_restype is W_Integer:
         w_retval = W_Integer(rffi.cast(rffi.LONG, res))
     elif self.w_restype is W_Boolean:
         w_retval = w_boolean(rffi.cast(rffi.LONG, res))
     elif self.w_restype is W_Symbol:
         # XXX who delete the returned pointer?
         w_retval = symbol(rffi.charp2str(rffi.cast(rffi.CCHARP, res)))
     elif self.w_restype is W_String:
         w_retval = W_String(rffi.charp2str(rffi.cast(rffi.CCHARP, res)))
     elif self.w_restype is W_Unspecified:
         w_retval = w_unspec
     else:
         assert 0, 'unsupported result type'
     return w_retval
示例#14
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文件: test_libffi.py 项目: njues/Sypy
 def test_wrong_args(self):
     # so far the test passes but for the wrong reason :-), i.e. because
     # .arg() only supports integers and floats
     chain = ArgChain()
     x = lltype.malloc(lltype.GcStruct('xxx'))
     y = lltype.malloc(lltype.GcArray(rffi.SIGNED), 3)
     z = lltype.malloc(lltype.Array(rffi.SIGNED), 4, flavor='raw')
     py.test.raises(TypeError, "chain.arg(x)")
     py.test.raises(TypeError, "chain.arg(y)")
     py.test.raises(TypeError, "chain.arg(z)")
     lltype.free(z, flavor='raw')
示例#15
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    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)
示例#16
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文件: test_libffi.py 项目: njues/Sypy
    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)