예제 #1
0
SlotConnectorBase::SlotConnectorBase(PyObject* slot, int n_sig_args) {
	function = 0;
	klass = 0;
	PyObject* instance = 0;
	cfunction = 0;
	if (PyMethod_Check(slot)) {
		instance = PyMethod_GET_SELF(slot);

		klass =    PyMethod_GET_CLASS(slot);
		function = PyMethod_GET_FUNCTION(slot);
		Py_INCREF(klass);
		Py_INCREF(function);
		PyObject* func_code = PyObject_GetAttrString(function, "func_code");
		PyObject* co_argcount = PyObject_GetAttrString(func_code, "co_argcount");
		n_slot_args = PyInt_AsLong(co_argcount)-1;
		if (n_slot_args == -1) {
			PyErr_SetString(PyExc_TypeError, "Slot method should at least have a 'self' argument");
			return;
		}
		core = ((Wt::WObject*)(((PyCPPClassInstance*)instance)->proxy->getCoreAsVoid()));
		Py_DECREF(func_code);
		Py_DECREF(co_argcount);
	}
	else if PyCFunction_Check(slot) {
		instance = PyCFunction_GET_SELF(slot);
		cfunction = PyCFunction_GET_FUNCTION(slot);
		flags = PyCFunction_GET_FLAGS(slot);
		n_slot_args = PyCFunction_GET_NARGS(slot);
		core = ((Wt::WObject*)(((PyCPPClassInstance*)instance)->proxy->getCoreAsVoid()));
	}
	else {
예제 #2
0
파일: _dispatcher.c 프로젝트: esc/numba
/* A custom, fast, inlinable version of PyCFunction_Call() */
static PyObject *
call_cfunc(DispatcherObject *self, PyObject *cfunc, PyObject *args, PyObject *kws, PyObject *locals)
{
    PyCFunctionWithKeywords fn;
    PyThreadState *tstate;
    assert(PyCFunction_Check(cfunc));
    assert(PyCFunction_GET_FLAGS(cfunc) == METH_VARARGS | METH_KEYWORDS);
    fn = (PyCFunctionWithKeywords) PyCFunction_GET_FUNCTION(cfunc);
    tstate = PyThreadState_GET();
    if (tstate->use_tracing && tstate->c_profilefunc)
    {
        /*
         * The following code requires some explaining:
         *
         * We want the jit-compiled function to be visible to the profiler, so we
         * need to synthesize a frame for it.
         * The PyFrame_New() constructor doesn't do anything with the 'locals' value if the 'code's
         * 'CO_NEWLOCALS' flag is set (which is always the case nowadays).
         * So, to get local variables into the frame, we have to manually set the 'f_locals'
         * member, then call `PyFrame_LocalsToFast`, where a subsequent call to the `frame.f_locals`
         * property (by virtue of the `frame_getlocals` function in frameobject.c) will find them.
         */
        PyCodeObject *code = (PyCodeObject*)PyObject_GetAttrString((PyObject*)self, "__code__");
        PyObject *globals = PyDict_New();
        PyObject *builtins = PyEval_GetBuiltins();
        PyFrameObject *frame = NULL;
        PyObject *result = NULL;

        if (!code) {
            PyErr_Format(PyExc_RuntimeError, "No __code__ attribute found.");
            goto error;
        }
        /* Populate builtins, which is required by some JITted functions */
        if (PyDict_SetItemString(globals, "__builtins__", builtins)) {
            goto error;
        }
        frame = PyFrame_New(tstate, code, globals, NULL);
        if (frame == NULL) {
            goto error;
        }
        /* Populate the 'fast locals' in `frame` */
        Py_XDECREF(frame->f_locals);
        frame->f_locals = locals;
        Py_XINCREF(frame->f_locals);
        PyFrame_LocalsToFast(frame, 0);
        tstate->frame = frame;
        C_TRACE(result, fn(PyCFunction_GET_SELF(cfunc), args, kws));
        tstate->frame = frame->f_back;

    error:
        Py_XDECREF(frame);
        Py_XDECREF(globals);
        Py_XDECREF(code);
        return result;
    }
    else
        return fn(PyCFunction_GET_SELF(cfunc), args, kws);
}
예제 #3
0
PyObject *
PyCFunction_Call(PyObject *func, PyObject *arg, PyObject *kw)
{
    PyCFunctionObject* f = (PyCFunctionObject*)func;
    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
    PyObject *self = PyCFunction_GET_SELF(func);
    Py_ssize_t size;

    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
    case METH_VARARGS:
        if (kw == NULL || PyDict_Size(kw) == 0)
            return (*meth)(self, arg);
        break;
    case METH_VARARGS | METH_KEYWORDS:
    case METH_OLDARGS | METH_KEYWORDS:
        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
    case METH_NOARGS:
        if (kw == NULL || PyDict_Size(kw) == 0) {
            size = PyTuple_GET_SIZE(arg);
            if (size == 0)
                return (*meth)(self, NULL);
            PyErr_Format(PyExc_TypeError,
                "%.200s() takes no arguments (%zd given)",
                f->m_ml->ml_name, size);
            return NULL;
        }
        break;
    case METH_O:
        if (kw == NULL || PyDict_Size(kw) == 0) {
            size = PyTuple_GET_SIZE(arg);
            if (size == 1)
                return (*meth)(self, PyTuple_GET_ITEM(arg, 0));
            PyErr_Format(PyExc_TypeError,
                "%.200s() takes exactly one argument (%zd given)",
                f->m_ml->ml_name, size);
            return NULL;
        }
        break;
    case METH_OLDARGS:
        /* the really old style */
        if (kw == NULL || PyDict_Size(kw) == 0) {
            size = PyTuple_GET_SIZE(arg);
            if (size == 1)
                arg = PyTuple_GET_ITEM(arg, 0);
            else if (size == 0)
                arg = NULL;
            return (*meth)(self, arg);
        }
        break;
    default:
        PyErr_BadInternalCall();
        return NULL;
    }
    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
                 f->m_ml->ml_name);
    return NULL;
}
예제 #4
0
int
PyCFunction_GetFlags(PyObject *op)
{
    if (!PyCFunction_Check(op)) {
        PyErr_BadInternalCall();
        return -1;
    }
    return PyCFunction_GET_FLAGS(op);
}
예제 #5
0
PyObject *
PyCFunction_Call(PyObject *func, PyObject *arg, PyObject *kw)
{
    PyCFunctionObject* f = (PyCFunctionObject*)func;
    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
    PyObject *self = PyCFunction_GET_SELF(func);
    Py_ssize_t size;

    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
    case METH_VARARGS:
        if (kw == NULL || PyDict_Size(kw) == 0)
            return (*meth)(self, arg);
        break;
    case METH_VARARGS | METH_KEYWORDS:
        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
    case METH_NOARGS:
        if (kw == NULL || PyDict_Size(kw) == 0) {
            size = PyTuple_GET_SIZE(arg);
            if (size == 0)
                return (*meth)(self, NULL);
            PyErr_Format(PyExc_TypeError,
                "%.200s() takes no arguments (%zd given)",
                f->m_ml->ml_name, size);
            return NULL;
        }
        break;
    case METH_O:
        if (kw == NULL || PyDict_Size(kw) == 0) {
            size = PyTuple_GET_SIZE(arg);
            if (size == 1)
                return (*meth)(self, PyTuple_GET_ITEM(arg, 0));
            PyErr_Format(PyExc_TypeError,
                "%.200s() takes exactly one argument (%zd given)",
                f->m_ml->ml_name, size);
            return NULL;
        }
        break;
    default:
        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
                        "PyCFunction_Call. METH_OLDARGS is no "
                        "longer supported!");

        return NULL;
    }
    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
                 f->m_ml->ml_name);
    return NULL;
}
예제 #6
0
PyObject* signalCall(PyObject* self, PyObject* args, PyObject* kw)
{
    PySideSignal* signal = reinterpret_cast<PySideSignal*>(self);

    if (!signal->homonymousMethod) {
        PyErr_SetString(PyExc_TypeError, "native Qt signal is not callable");
        return 0;
    }

    descrgetfunc getDescriptor = signal->homonymousMethod->ob_type->tp_descr_get;
    Shiboken::AutoDecRef homonymousMethod(getDescriptor(signal->homonymousMethod, 0, 0));

    if (PyCFunction_GET_FLAGS(homonymousMethod.object()) & METH_STATIC)
        return PyCFunction_Call(homonymousMethod, args, kw);

    ternaryfunc callFunc = signal->homonymousMethod->ob_type->tp_call;
    return callFunc(homonymousMethod, args, kw);
}
예제 #7
0
파일: ceval.c 프로젝트: brosner/cleese
static PyObject *
call_function(PyObject ***pp_stack, int oparg)
{
	int na = oparg & 0xff;
	int nk = (oparg>>8) & 0xff;
	int n = na + 2 * nk;
	PyObject **pfunc = (*pp_stack) - n - 1;
	PyObject *func = *pfunc;
	PyObject *x, *w;

	/* Always dispatch PyCFunction first, because these are
	   presumed to be the most frequent callable object.
	*/
	if (PyCFunction_Check(func) && nk == 0) {
		int flags = PyCFunction_GET_FLAGS(func);
		if (flags & (METH_NOARGS | METH_O)) {
			PyCFunction meth = PyCFunction_GET_FUNCTION(func);
			PyObject *self = PyCFunction_GET_SELF(func);
			if (flags & METH_NOARGS && na == 0) 
				x = (*meth)(self, NULL);
			else if (flags & METH_O && na == 1) {
				PyObject *arg = EXT_POP(*pp_stack);
				x = (*meth)(self, arg);
				Py_DECREF(arg);
			}
			else {
				err_args(func, flags, na);
				x = NULL;
			}
		}
		else {
			PyObject *callargs;
			callargs = load_args(pp_stack, na);
			x = PyCFunction_Call(func, callargs, NULL);
			Py_XDECREF(callargs); 
		} 
	} else {
		if (PyMethod_Check(func) && PyMethod_GET_SELF(func) != NULL) {
			/* optimize access to bound methods */
			PyObject *self = PyMethod_GET_SELF(func);
			Py_INCREF(self);
			func = PyMethod_GET_FUNCTION(func);
			Py_INCREF(func);
			Py_DECREF(*pfunc);
			*pfunc = self;
			na++;
			n++;
		} else
			Py_INCREF(func);
		if (PyFunction_Check(func))
			x = fast_function(func, pp_stack, n, na, nk);
		else 
			x = do_call(func, pp_stack, na, nk);
		Py_DECREF(func);
	}
	
	/* What does this do? */
	while ((*pp_stack) > pfunc) {
		w = EXT_POP(*pp_stack);
		Py_DECREF(w);
	}
	return x;
}
예제 #8
0
PyObject *
PyCFunction_Call(PyObject *func, PyObject *arg, PyObject *kw)
{
	PyCFunctionObject* f = (PyCFunctionObject*)func;
	PyCFunction meth = PyCFunction_GET_FUNCTION(func);
	PyObject *self = PyCFunction_GET_SELF(func);
	Py_ssize_t size;

	switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
	case METH_VARARGS:
		if (kw == NULL || PyDict_Size(kw) == 0)
			return (*meth)(self, arg);
		break;
	case METH_VARARGS | METH_KEYWORDS:
	case METH_OLDARGS | METH_KEYWORDS:
		return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
	case METH_ARG_RANGE:
	{
		if (kw == NULL || PyDict_Size(kw) == 0) {
			PyObject *args[PY_MAX_ARITY] = {NULL};
			int min_arity = PyCFunction_GET_MIN_ARITY(func);
			int max_arity = PyCFunction_GET_MAX_ARITY(func);
			size = PyTuple_GET_SIZE(arg);
			switch (size) {
				default:
					PyErr_BadInternalCall();
					return NULL;
				case 3: args[2] = PyTuple_GET_ITEM(arg, 2);
				case 2: args[1] = PyTuple_GET_ITEM(arg, 1);
				case 1: args[0] = PyTuple_GET_ITEM(arg, 0);
				case 0: break;
			}

			/* But wait, you ask, what about {un,bin}ary functions?
			   Aren't we passing more arguments than it expects?
			   Yes, but C allows this. Go C. */
			if (min_arity <= size && size <= max_arity)
				return (*(PyCFunctionThreeArgs)meth)
				       (self, args[0], args[1], args[2]);

			if (max_arity == min_arity)
				PyErr_Format(PyExc_TypeError,
					"%.200s() takes exactly %d argument(s)"
					" (%zd given)",
					f->m_ml->ml_name, max_arity, size);
			else
				PyErr_Format(PyExc_TypeError,
					"%.200s() takes %d-%d arguments"
					" (%zd given)",
					f->m_ml->ml_name,
					min_arity, max_arity, size);

			return NULL;
		}
		break;
	}
	case METH_OLDARGS:
		/* the really old style */
		if (kw == NULL || PyDict_Size(kw) == 0) {
			size = PyTuple_GET_SIZE(arg);
			if (size == 1)
				arg = PyTuple_GET_ITEM(arg, 0);
			else if (size == 0)
				arg = NULL;
			return (*meth)(self, arg);
		}
		break;
	/* METH_O is deprecated; PyCFunction_NewEx is supposed to convert it to
	   METH_ARG_RANGE and set ml_{min,max}_arity correctly. */
	case METH_O:
	default:
		PyErr_BadInternalCall();
		return NULL;
	}
	PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
		     f->m_ml->ml_name);
	return NULL;
}
예제 #9
0
PyObject *
PyCFunction_Call(PyObject *func, PyObject *args, PyObject *kwds)
{
    PyCFunctionObject* f = (PyCFunctionObject*)func;
    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
    PyObject *self = PyCFunction_GET_SELF(func);
    PyObject *arg, *res;
    Py_ssize_t size;
    int flags;

    /* PyCFunction_Call() must not be called with an exception set,
       because it may clear it (directly or indirectly) and so the
       caller loses its exception */
    assert(!PyErr_Occurred());

    flags = PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST);

    if (flags == (METH_VARARGS | METH_KEYWORDS)) {
        res = (*(PyCFunctionWithKeywords)meth)(self, args, kwds);
    }
    else {
        if (kwds != NULL && PyDict_Size(kwds) != 0) {
            PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
                         f->m_ml->ml_name);
            return NULL;
        }

        switch (flags) {
        case METH_VARARGS:
            res = (*meth)(self, args);
            break;

        case METH_NOARGS:
            size = PyTuple_GET_SIZE(args);
            if (size != 0) {
                PyErr_Format(PyExc_TypeError,
                    "%.200s() takes no arguments (%zd given)",
                    f->m_ml->ml_name, size);
                return NULL;
            }

            res = (*meth)(self, NULL);
            break;

        case METH_O:
            size = PyTuple_GET_SIZE(args);
            if (size != 1) {
                PyErr_Format(PyExc_TypeError,
                    "%.200s() takes exactly one argument (%zd given)",
                    f->m_ml->ml_name, size);
                return NULL;
            }

            arg = PyTuple_GET_ITEM(args, 0);
            res = (*meth)(self, arg);
            break;

        default:
            PyErr_SetString(PyExc_SystemError,
                            "Bad call flags in PyCFunction_Call. "
                            "METH_OLDARGS is no longer supported!");
            return NULL;
        }
    }

    return _Py_CheckFunctionResult(func, res, NULL);
}
예제 #10
0
파일: methodobject.c 프로젝트: d11/rts
PyObject *
PyCFunction_Call(PyObject *func, PyObject *arg, PyObject *kw)
{
    STACKLESS_GETARG();
    PyCFunctionObject* f = (PyCFunctionObject*)func;
    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
    PyObject *self = PyCFunction_GET_SELF(func);
    Py_ssize_t size;

#ifdef STACKLESS
    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_STACKLESS)) {
#else
    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
#endif
    case METH_VARARGS:
        if (kw == NULL || PyDict_Size(kw) == 0)
            WRAP_RETURN( (*meth)(self, arg) )
        break;
    case METH_VARARGS | METH_KEYWORDS:
        WRAP_RETURN( (*(PyCFunctionWithKeywords)meth)(self, arg, kw) )
    case METH_NOARGS:
        if (kw == NULL || PyDict_Size(kw) == 0) {
            size = PyTuple_GET_SIZE(arg);
            if (size == 0)
                WRAP_RETURN( (*meth)(self, NULL) )
            PyErr_Format(PyExc_TypeError,
                "%.200s() takes no arguments (%zd given)",
                f->m_ml->ml_name, size);
            return NULL;
        }
        break;
    case METH_O:
        if (kw == NULL || PyDict_Size(kw) == 0) {
            size = PyTuple_GET_SIZE(arg);
            if (size == 1)
                WRAP_RETURN( (*meth)(self, PyTuple_GET_ITEM(arg, 0)) )
            PyErr_Format(PyExc_TypeError,
                "%.200s() takes exactly one argument (%zd given)",
                f->m_ml->ml_name, size);
            return NULL;
        }
        break;
    default:
        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
                "PyCFunction_Call. METH_OLDARGS is no "
                "longer supported!");
            
        return NULL;
    }
    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
             f->m_ml->ml_name);
    return NULL;
}

/* Methods (the standard built-in methods, that is) */

static void
meth_dealloc(PyCFunctionObject *m)
{
    _PyObject_GC_UNTRACK(m);
    Py_XDECREF(m->m_self);
    Py_XDECREF(m->m_module);
    if (numfree < PyCFunction_MAXFREELIST) {
        m->m_self = (PyObject *)free_list;
        free_list = m;
        numfree++;
    }
    else {
        PyObject_GC_Del(m);
    }
}