bool BINARY_OPERATION_ADD_TUPLE_OBJECT_INPLACE(PyObject **operand1, PyObject *operand2) {
assert(operand1);
CHECK_OBJECT(*operand1);
CHECK_OBJECT(operand2);
assert(PyTuple_CheckExact(*operand1));
PyObject *result;
if (PyTuple_CheckExact(operand2)) {
// TODO: No tuple specific code, create one and use it, although it
// is probably not too common to in-place to them.
result = PySequence_InPlaceConcat(*operand1, operand2);
} else if (PySequence_Check(operand2)) {
result = PySequence_InPlaceConcat(*operand1, operand2);
} else {
result = PyNumber_InPlaceAdd(*operand1, operand2);
}
if (unlikely(result == NULL)) {
return false;
}
// We got an object handed, that we have to release.
Py_DECREF(*operand1);
// That's our return value then. As we use a dedicated variable, it's
// OK that way.
*operand1 = result;
return true;
}
static PyObject *t_sequence_seq_inplace_concat(t_sequence *self,
PyObject *values)
{
PyObject *result;
if (self->itemvalue.flags & V_PURE)
result = PySequence_InPlaceConcat(self->sequence, values);
else
{
values = _prepareValues((t_itemvalue *) self, values);
if (!values)
return NULL;
result = PySequence_InPlaceConcat(self->sequence, values);
Py_DECREF(values);
}
if (!result)
return NULL;
if (result == self->sequence)
{
if (_t_itemvalue__setDirty((t_itemvalue *) self, 0) < 0)
{
Py_DECREF(result);
return NULL;
}
Py_DECREF(result);
Py_INCREF((PyObject *) self);
result = (PyObject *) self;
}
return result;
}
/**
* Extends __dir__ with the extra attributes accessible through
* resulttuple_getattro()
*/
static PyObject *
resulttuple_dir(PyObject *self)
{
PyObject *mapping_attr;
PyObject *items = NULL;
PyObject *mapping = NULL;
PyObject *mapping_values = NULL;
PyObject *result = NULL;
mapping_attr = PYGLIB_PyUnicode_FromString (tuple_indices_key);
mapping = PyTuple_Type.tp_getattro (self, mapping_attr);
Py_DECREF (mapping_attr);
if (mapping == NULL)
goto error;
items = PyObject_Dir ((PyObject*)self->ob_type);
if (items == NULL)
goto error;
mapping_values = PyDict_Keys (mapping);
if (mapping_values == NULL)
goto error;
result = PySequence_InPlaceConcat (items, mapping_values);
error:
Py_XDECREF (items);
Py_XDECREF (mapping);
Py_XDECREF (mapping_values);
return result;
}
bool BINARY_OPERATION_ADD_OBJECT_LIST_INPLACE(PyObject **operand1, PyObject *operand2) {
assert(operand1);
CHECK_OBJECT(*operand1);
CHECK_OBJECT(operand2);
assert(PyList_CheckExact(operand2));
PyObject *result;
if (PyList_CheckExact(*operand1)) {
return LIST_EXTEND_FROM_LIST(*operand1, operand2);
} else if (PySequence_Check(*operand1)) {
result = PySequence_InPlaceConcat(*operand1, operand2);
} else {
result = PyNumber_InPlaceAdd(*operand1, operand2);
}
if (unlikely(result == NULL)) {
return false;
}
// We got an object handed, that we have to release.
Py_DECREF(*operand1);
// That's our return value then. As we use a dedicated variable, it's
// OK that way.
*operand1 = result;
return true;
}
List &List::operator+=(const List &rhs)
{
PyObject *obj = PySequence_InPlaceConcat(mPtr, rhs.borrowReference());
PW_PyExcept_Check("List::operator+=");
Py_DECREF(obj);
return *this;
}
static PyObject *t_sequence_extend(t_sequence *self, PyObject *args)
{
PyObject *values, *result;
int setDirty = 1;
if (!PyArg_ParseTuple(args, "O|i", &values, &setDirty))
return NULL;
if (self->itemvalue.flags & V_PURE)
result = PySequence_InPlaceConcat(self->sequence, values);
else
{
values = _prepareValues((t_itemvalue *) self, values);
if (!values)
return NULL;
result = PySequence_InPlaceConcat(self->sequence, values);
Py_DECREF(values);
}
if (!result)
return NULL;
if (result == self->sequence)
{
if (setDirty && _t_itemvalue__setDirty((t_itemvalue *) self, 0) < 0)
{
Py_DECREF(result);
return NULL;
}
Py_DECREF(result);
Py_RETURN_NONE;
}
Py_DECREF(result);
PyErr_SetString(PyExc_NotImplementedError, "in-place concat");
return NULL;
}
PyObject* fastdraw (PyObject* self, PyObject* args) {
// don't do much error checking because the point of this is performance
// and we own the class calling this; guaranteed to get
// [obj], pygame.Surface, {obj: set(Graphic)}, [pygame.Rect]
// and layers is sorted
PyObject* layers_in, * sfc, * graphics_in, * dirty;
PyObject** layers, *** graphics, ** gs, * g, * g_dirty, * g_rect, * r_o,
** graphics_obj, * tmp, * pre_draw, * clip, * dbl_tmp[2], * rtn,
* opaque_in, * dirty_opaque, * l_dirty_opaque, ** dirty_by_layer,
* rs, * draw_in, * draw;
char* dbl[4] = {"was_visible", "visible", "_last_postrot_rect",
"_postrot_rect"};
int n_layers, * n_graphics, i, j, k, l, n, n_dirty, r_new, r_good;
PyRectObject* r, * tmp_r;
if (!PyArg_UnpackTuple(args, "fastdraw", 4, 4, &layers_in, &sfc,
&graphics_in, &dirty))
return NULL;
pre_draw = PyString_FromString("_pre_draw"); // NOTE: ref[+1a]
clip = PyString_FromString("clip"); // NOTE: ref[+1b]
// get arrays of layers, graphics and sizes
// NOTE: ref[+2]
layers_in = PySequence_Fast(layers_in, "layers: expected sequence");
n_layers = PySequence_Fast_GET_SIZE(layers_in);
layers = PySequence_Fast_ITEMS(layers_in);
graphics_obj = PyMem_New(PyObject*, n_layers); // NOTE: alloc[+1]
n_graphics = PyMem_New(int, n_layers); // NOTE: alloc[+2]
graphics = PyMem_New(PyObject**, n_layers); // NOTE: alloc[+3]
for (i = 0; i < n_layers; i++) { // graphics_in
// NOTE: ref[+3]
tmp = PySequence_Fast(PyDict_GetItem(graphics_in, layers[i]),
"graphics values: expected sequence");
// need to keep it around since graphics references its array
graphics_obj[i] = tmp;
n_graphics[i] = PySequence_Fast_GET_SIZE(tmp);
graphics[i] = PySequence_Fast_ITEMS(tmp);
}
// get dirty rects from graphics
for (i = 0; i < n_layers; i++) { // graphics
gs = graphics[i];
for (j = 0; j < n_graphics[i]; j++) { // gs
g = gs[j];
PyObject_CallMethodObjArgs(g, pre_draw, NULL);
// NOTE: ref[+4] (list)
g_dirty = PyObject_GetAttrString(g, "_dirty");
for (k = 0; k < 2; k++) // last/current
// NOTE: ref[+5]
dbl_tmp[k] = PyObject_GetAttrString(g, dbl[k]);
if (dbl_tmp[0] != dbl_tmp[1]) {
// visiblity changed since last draw: set dirty everywhere
Py_DECREF(g_dirty); // NOTE: ref[-4]
g_dirty = PyList_New(1); // NOTE: ref[+4]
// NOTE: ref[+6]
g_rect = PyObject_GetAttrString(g, "_postrot_rect");
PyList_SET_ITEM(g_dirty, 0, g_rect); // NOTE: ref[-6]
PyObject_SetAttrString(g, "_dirty", g_dirty);
}
n = PyList_GET_SIZE(g_dirty);
for (k = 0; k < 2; k++) { // last/current
if (dbl_tmp[k] == Py_True) {
// NOTE: ref[+6] (pygame.Rect)
g_rect = PyObject_GetAttrString(g, dbl[k + 2]);
for (l = 0; l < n; l++) { // g_dirty
r_o = PyList_GET_ITEM(g_dirty, l); // pygame.Rect
// NOTE: ref[+7]
r_o = PyObject_CallMethodObjArgs(r_o, clip, g_rect,
NULL);
PyList_Append(dirty, r_o);
Py_DECREF(r_o); // NOTE: ref[-7]
}
Py_DECREF(g_rect); // NOTE: ref[-6]
}
}
Py_DECREF(dbl_tmp[0]);
Py_DECREF(dbl_tmp[1]); // NOTE: ref[-5]
Py_DECREF(g_dirty); // NOTE: ref[-4]
tmp = PyObject_GetAttrString(g, "visible"); // NOTE: ref[+4]
PyObject_SetAttrString(g, "was_visible", tmp);
Py_DECREF(tmp); // NOTE: ref[-4]
}
}
// only have something to do if dirty is non-empty
rtn = Py_False;
Py_INCREF(rtn); // since we're (possibly) returning it
n_dirty = PyList_GET_SIZE(dirty);
if (PyList_GET_SIZE(dirty) == 0) {
goto end;
}
opaque_in = PyString_FromString("opaque_in"); // NOTE: ref[+4]
dirty_opaque = PyList_New(0); // NOTE: ref[+5]
dirty_by_layer = PyMem_New(PyObject*, n_layers); // NOTE: alloc[+4]
for (i = 0; i < n_layers; i++) { // graphics
gs = graphics[i];
n = n_graphics[i];
// get opaque regions of dirty rects
l_dirty_opaque = PyList_New(0); // NOTE: ref[+6]
for (j = 0; j < n_dirty; j++) { // dirty
r = (PyRectObject*) PyList_GET_ITEM(dirty, j); // pygame.Rect
r_new = 0;
r_good = 1;
for (k = 0; k < n; k++) { // gs
g = gs[k];
// NOTE: ref[+7]
g_rect = PyObject_GetAttrString(g, "_postrot_rect");
if (r_new) tmp_r = r;
// NOTE: ref[+8]
r = (PyRectObject*)
PyObject_CallMethodObjArgs((PyObject*) r, clip, g_rect,
NULL);
if (r_new) Py_DECREF(tmp_r); // NOTE: ref[-8](k>0)
r_new = 1;
Py_DECREF(g_rect); // NOTE: ref[-7]
// NOTE: ref[+7]
tmp = PyObject_CallMethodObjArgs(g, opaque_in, (PyObject*) r,
NULL);
r_good = r->r.w > 0 && r->r.h > 0 && tmp == Py_True;
Py_DECREF(tmp); // NOTE: ref[-7]
if (!r_good) break;
}
if (r_good) PyList_Append(l_dirty_opaque, (PyObject*) r);
if (r_new) Py_DECREF((PyObject*) r); // NOTE: ref[-8](k=0)
}
// undirty below opaque graphics and make dirty rects disjoint
// NOTE: ref[+7]
dirty_by_layer[i] = mk_disjoint(dirty, dirty_opaque);
tmp = dirty_opaque;
// NOTE: ref[+8] (not sure why this returns a new reference)
dirty_opaque = PySequence_InPlaceConcat(dirty_opaque, l_dirty_opaque);
Py_DECREF(tmp); // NOTE: ref[-5] ref[-8+5]
Py_DECREF(l_dirty_opaque); // NOTE: ref[-6] ref[-7+6]
}
draw = PyString_FromString("_draw"); // NOTE: ref[+7]
// redraw in dirty rects
for (i = n_layers - 1; i >= 0; i--) { // layers
rs = dirty_by_layer[i];
n = PyList_GET_SIZE(rs);
gs = graphics[i];
for (j = 0; j < n_graphics[i]; j++) { // gs
g = gs[j];
tmp = PyObject_GetAttrString(g, "visible"); // NOTE: ref[+8]
if (tmp == Py_True) {
// NOTE: ref[+9]
g_rect = PyObject_GetAttrString(g, "_postrot_rect");
draw_in = PyList_New(0); // NOTE: ref[+10]
for (k = 0; k < n; k++) { // rs
r = (PyRectObject*) PyList_GET_ITEM(rs, k);
// NOTE: ref[+11]
r = (PyRectObject*)
PyObject_CallMethodObjArgs(g_rect, clip, r, NULL);
if (r->r.w > 0 && r->r.h > 0)
PyList_Append(draw_in, (PyObject*) r);
Py_DECREF(r); // NOTE: ref[-11]
}
if (PyList_GET_SIZE(draw_in) > 0) {
PyObject_CallMethodObjArgs(g, draw, sfc, draw_in, NULL);
}
Py_DECREF(draw_in); // NOTE: ref[-10]
Py_DECREF(g_rect); // NOTE: ref[-9]
}
Py_DECREF(tmp); // ref[-8]
tmp = PyList_New(0); // NOTE: ref[+8]
PyObject_SetAttrString(g, "_dirty", tmp);
Py_DECREF(tmp); // NOTE: ref[-8]
}
}
// add up dirty rects to return
Py_DECREF(rtn);
rtn = PyList_New(0);
for (i = 0; i < n_layers; i++) { // dirty_by_layer
tmp = rtn;
// NOTE: ref[+8] (not sure why this returns a new reference)
rtn = PySequence_InPlaceConcat(rtn, dirty_by_layer[i]);
Py_DECREF(tmp); // NOTE: ref[-8]
}
// cleanup (in reverse order)
Py_DECREF(draw); // NOTE: ref[-7]
// NOTE: ref[-6]
for (i = 0; i < n_layers; i++) Py_DECREF(dirty_by_layer[i]);
PyMem_Free(dirty_by_layer); // NOTE: alloc[-4]
Py_DECREF(dirty_opaque); // NOTE: ref[-5]
Py_DECREF(opaque_in); // NOTE: ref[-4]
end:
for (i = 0; i < n_layers; i++) Py_DECREF(graphics_obj[i]); // NOTE: ref[-3]
PyMem_Free(graphics); // NOTE: alloc[-3]
PyMem_Free(n_graphics); // NOTE: alloc[-2]
PyMem_Free(graphics_obj); // NOTE: alloc[-1]
Py_DECREF(layers_in); // NOTE: ref[-2]
Py_DECREF(clip); // NOTE: ref[-1b]
Py_DECREF(pre_draw); // NOTE: ref[-1a]
return rtn;
}
static PyObject *cdefer_Deferred__runCallbacks(cdefer_Deferred *self) {
PyObject *cb;
PyObject *item;
PyObject *callbacktuple;
PyObject *callback;
PyObject *args;
PyObject *newArgs;
PyObject *newArgs2;
PyObject *kwargs;
PyObject *_continue;
PyObject *type, *value, *traceback;
PyObject *tmp;
PyObject *result;
int size;
int offset;
const char *callback_name;
if (self->running_callbacks) {
Py_INCREF(Py_None);
return Py_None;
}
if (!self->paused) {
cb = self->callbacks;
if (!PyList_Check(cb)) {
PyErr_SetString(PyExc_TypeError, "callbacks must be a list");
return NULL;
}
for (;;) {
size = PyList_GET_SIZE(cb);
if (size == -1) {
return NULL;
}
if (self->callback_index >= size) {
break;
}
item = PyList_GET_ITEM(cb, self->callback_index);
if (!item) {
return NULL;
}
if (cdefer_Deferred__verify_callbacks_item(item)) {
return NULL;
}
if (PyObject_IsInstance(self->result, failure_class)) {
offset = 1;
callback_name = "errback";
} else {
offset = 0;
callback_name = "callback";
}
callbacktuple = PyTuple_GET_ITEM(item, offset);
if (!callbacktuple) {
return NULL;
}
if (cdefer_Deferred__verify_callback_entry(callback_name, callbacktuple)) {
return NULL;
}
callback = PyTuple_GET_ITEM(callbacktuple, 0);
if(!callback) {
return NULL;
}
if (callback == Py_None) {
++self->callback_index;
continue;
}
args = PyTuple_GET_ITEM(callbacktuple, 1);
if (!args) {
return NULL;
}
kwargs = PyTuple_GET_ITEM(callbacktuple, 2);
if (!kwargs) {
return NULL;
}
newArgs = Py_BuildValue("(O)", self->result);
if (!newArgs) {
return NULL;
}
if (args != Py_None) {
newArgs2 = PySequence_InPlaceConcat(newArgs, args);
Py_CLEAR(newArgs);
if (!newArgs2) {
return NULL;
}
} else {
newArgs2 = newArgs;
newArgs = NULL;
}
++self->callback_index;
if (kwargs == Py_None) {
kwargs = NULL;
}
self->running_callbacks = 1;
tmp = PyObject_Call(callback, newArgs2, kwargs);
self->running_callbacks = 0;
Py_DECREF(self->result);
self->result = tmp;
Py_CLEAR(newArgs2);
if (!self->result) {
PyErr_Fetch(&type, &value, &traceback);
PyErr_NormalizeException(&type, &value, &traceback);
if (!traceback) {
traceback = Py_None;
Py_INCREF(traceback);
}
self->result = PyObject_CallFunction(failure_class, "OOO", value, type, traceback);
if (!self->result) {
PyErr_Restore(type, value, traceback);
return NULL;
}
Py_DECREF(type);
Py_DECREF(value);
Py_DECREF(traceback);
continue;
}
if (PyObject_TypeCheck(self->result, &cdefer_DeferredType)) {
PyObject *self_result;
if (PyList_SetSlice(cb, 0, self->callback_index, NULL) == -1) {
return NULL;
}
self->callback_index = 0;
result = PyObject_CallMethod((PyObject *)self, "pause", NULL);
if (!result) {
return NULL;
}
Py_DECREF(result);
_continue = PyObject_GetAttrString((PyObject *)self,
"_continue");
if (!_continue) {
return NULL;
}
self_result = self->result;
Py_INCREF(self_result);
result = cdefer_Deferred__addCallbacks(
(cdefer_Deferred *)self->result, _continue,
_continue, Py_None, Py_None, Py_None, Py_None);
Py_DECREF(self_result);
/* The reference was either copied/incref'd or not
* (when errored) in addCallbacks, either way, we own
* one too, and don't need it anymore. */
Py_DECREF(_continue);
if (!result) {
return NULL;
}
Py_DECREF(result);
goto endLabel;
}
}
if (PyList_SetSlice(cb, 0, PyList_GET_SIZE(cb), NULL) == -1) {
return NULL;
}
self->callback_index = 0;
}
endLabel:
if (PyObject_IsInstance(self->result, failure_class)) {
result = PyObject_CallMethod((PyObject *)self->result,
"cleanFailure", NULL);
if (!result) {
return NULL;
}
Py_DECREF(result);
if (cdefer_Deferred__set_debuginfo_fail_result(self) == -1) {
return NULL;
}
} else {
if (cdefer_Deferred__clear_debuginfo(self) == -1) {
return NULL;
}
}
Py_INCREF(Py_None);
return Py_None;
}