PyCFrameObject *
slp_cframe_new(PyFrame_ExecFunc *exec, unsigned int linked)
{
PyThreadState *ts = PyThreadState_GET();
PyCFrameObject *cf;
PyFrameObject *back;
if (free_list == NULL) {
cf = PyObject_GC_NewVar(PyCFrameObject, &PyCFrame_Type, 0);
if (cf == NULL)
return NULL;
}
else {
assert(numfree > 0);
--numfree;
cf = free_list;
free_list = (PyCFrameObject *) free_list->f_back;
_Py_NewReference((PyObject *) cf);
}
back = ts->frame;
if (!linked)
back = NULL;
Py_XINCREF(back);
cf->f_execute = exec;
cf->f_back = back;
cf->ob1 = cf->ob2 = cf->ob3 = NULL;
cf->i = cf->n = 0;
_PyObject_GC_TRACK(cf);
return cf;
}
static PyObject* QtGuiObject_alloc(PyTypeObject *type, Py_ssize_t nitems) {
PyObject *obj;
const size_t size = _PyObject_VAR_SIZE(type, nitems+1);
/* note that we need to add one, for the sentinel */
if (PyType_IS_GC(type))
obj = _PyObject_GC_Malloc(size);
else
obj = (PyObject *)PyObject_MALLOC(size);
if (obj == NULL)
return PyErr_NoMemory();
// This is why we need this custom alloc: To call the C++ constructor.
memset(obj, '\0', size);
new ((PyQtGuiObject*) obj) PyQtGuiObject();
if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
Py_INCREF(type);
if (type->tp_itemsize == 0)
PyObject_INIT(obj, type);
else
(void) PyObject_INIT_VAR((PyVarObject *)obj, type, nitems);
if (PyType_IS_GC(type))
_PyObject_GC_TRACK(obj);
return obj;
}
static PyObject *
record_new_items_iter(PyObject *seq)
{
ApgRecordItemsObject *it;
PyObject *map_iter;
if (!ApgRecord_CheckExact(seq)) {
PyErr_BadInternalCall();
return NULL;
}
map_iter = PyObject_GetIter(((ApgRecordObject*)seq)->mapping);
if (map_iter == NULL) {
return NULL;
}
it = PyObject_GC_New(ApgRecordItemsObject, &ApgRecordItems_Type);
if (it == NULL)
return NULL;
it->it_map_iter = map_iter;
it->it_index = 0;
Py_INCREF(seq);
it->it_seq = (ApgRecordObject *)seq;
_PyObject_GC_TRACK(it);
return (PyObject *)it;
}
PyObject *
PyGen_New(PyFrameObject *f)
#endif
{
PyGenObject *gen = PyObject_GC_New(PyGenObject, &PyGen_Type);
if (gen == NULL) {
Py_DECREF(f);
return NULL;
}
gen->gi_frame = f;
#ifdef STACKLESS
/* Support for unpickling generators. This will segmentation fault if
called by pricklepit.c:gen_new as that passes Py_None as a placeholder. */
if ((PyObject*)f == Py_None) {
Py_INCREF(Py_None);
gen->gi_code = Py_None;
} else {
#endif
Py_INCREF(f->f_code);
gen->gi_code = (PyObject *)(f->f_code);
#ifdef STACKLESS
}
#endif
gen->gi_running = 0;
gen->gi_weakreflist = NULL;
_PyObject_GC_TRACK(gen);
return (PyObject *)gen;
}
PyObject *
PyMethod_New(PyObject *func, PyObject *self)
{
PyMethodObject *im;
if (self == NULL) {
PyErr_BadInternalCall();
return NULL;
}
im = free_list;
if (im != NULL) {
free_list = (PyMethodObject *)(im->im_self);
PyObject_INIT(im, &PyMethod_Type);
numfree--;
}
else {
im = PyObject_GC_New(PyMethodObject, &PyMethod_Type);
if (im == NULL)
return NULL;
}
im->im_weakreflist = NULL;
Py_INCREF(func);
im->im_func = func;
Py_XINCREF(self);
im->im_self = self;
_PyObject_GC_TRACK(im);
return (PyObject *)im;
}
PyObject *
PySlice_New(PyObject *start, PyObject *stop, PyObject *step)
{
PySliceObject *obj;
if (slice_cache != NULL) {
obj = slice_cache;
slice_cache = NULL;
_Py_NewReference((PyObject *)obj);
} else {
obj = PyObject_GC_New(PySliceObject, &PySlice_Type);
if (obj == NULL)
return NULL;
}
if (step == NULL) step = Py_None;
Py_INCREF(step);
if (start == NULL) start = Py_None;
Py_INCREF(start);
if (stop == NULL) stop = Py_None;
Py_INCREF(stop);
obj->step = step;
obj->start = start;
obj->stop = stop;
_PyObject_GC_TRACK(obj);
return (PyObject *) obj;
}
static PyObject *
gen_new_with_qualname(PyTypeObject *type, PyFrameObject *f,
PyObject *name, PyObject *qualname)
{
PyGenObject *gen = PyObject_GC_New(PyGenObject, type);
if (gen == NULL) {
Py_DECREF(f);
return NULL;
}
gen->gi_frame = f;
f->f_gen = (PyObject *) gen;
Py_INCREF(f->f_code);
gen->gi_code = (PyObject *)(f->f_code);
gen->gi_running = 0;
gen->gi_weakreflist = NULL;
if (name != NULL)
gen->gi_name = name;
else
gen->gi_name = ((PyCodeObject *)gen->gi_code)->co_name;
Py_INCREF(gen->gi_name);
if (qualname != NULL)
gen->gi_qualname = qualname;
else
gen->gi_qualname = gen->gi_name;
Py_INCREF(gen->gi_qualname);
_PyObject_GC_TRACK(gen);
return (PyObject *)gen;
}
PyObject *
PyFunction_NewWithQualName(PyObject *code, PyObject *globals, PyObject *qualname)
{
PyFunctionObject *op;
PyObject *doc, *consts, *module;
static PyObject *__name__ = NULL;
if (__name__ == NULL) {
__name__ = PyUnicode_InternFromString("__name__");
if (__name__ == NULL)
return NULL;
}
op = PyObject_GC_New(PyFunctionObject, &PyFunction_Type);
if (op == NULL)
return NULL;
op->func_weakreflist = NULL;
Py_INCREF(code);
op->func_code = code;
Py_INCREF(globals);
op->func_globals = globals;
op->func_name = ((PyCodeObject *)code)->co_name;
Py_INCREF(op->func_name);
op->func_defaults = NULL; /* No default arguments */
op->func_kwdefaults = NULL; /* No keyword only defaults */
op->func_closure = NULL;
consts = ((PyCodeObject *)code)->co_consts;
if (PyTuple_Size(consts) >= 1) {
doc = PyTuple_GetItem(consts, 0);
if (!PyUnicode_Check(doc))
doc = Py_None;
}
else
doc = Py_None;
Py_INCREF(doc);
op->func_doc = doc;
op->func_dict = NULL;
op->func_module = NULL;
op->func_annotations = NULL;
/* __module__: If module name is in globals, use it.
Otherwise, use None. */
module = PyDict_GetItem(globals, __name__);
if (module) {
Py_INCREF(module);
op->func_module = module;
}
if (qualname)
op->func_qualname = qualname;
else
op->func_qualname = op->func_name;
Py_INCREF(op->func_qualname);
_PyObject_GC_TRACK(op);
return (PyObject *)op;
}
PyObject *
PyTuple_New(register Py_ssize_t size)
{
register PyTupleObject *op;
Py_ssize_t i;
if (size < 0) {
PyErr_BadInternalCall();
return NULL;
}
#if PyTuple_MAXSAVESIZE > 0
if (size == 0 && free_list[0]) {
op = free_list[0];
Py_INCREF(op);
#ifdef COUNT_ALLOCS
tuple_zero_allocs++;
#endif
return (PyObject *) op;
}
if (size < PyTuple_MAXSAVESIZE && (op = free_list[size]) != NULL) {
free_list[size] = (PyTupleObject *) op->ob_item[0];
numfree[size]--;
#ifdef COUNT_ALLOCS
fast_tuple_allocs++;
#endif
/* Inline PyObject_InitVar */
#ifdef Py_TRACE_REFS
Py_SIZE(op) = size;
Py_TYPE(op) = &PyTuple_Type;
#endif
_Py_NewReference((PyObject *)op);
}
else
#endif
{
Py_ssize_t nbytes = size * sizeof(PyObject *);
/* Check for overflow */
if (nbytes / sizeof(PyObject *) != (size_t)size ||
(nbytes > PY_SSIZE_T_MAX - sizeof(PyTupleObject) - sizeof(PyObject *)))
{
return PyErr_NoMemory();
}
nbytes += sizeof(PyTupleObject) - sizeof(PyObject *);
op = PyObject_GC_NewVar(PyTupleObject, &PyTuple_Type, size);
if (op == NULL)
return NULL;
}
for (i=0; i < size; i++)
op->ob_item[i] = NULL;
#if PyTuple_MAXSAVESIZE > 0
if (size == 0) {
free_list[0] = op;
++numfree[0];
Py_INCREF(op); /* extra INCREF so that this is never freed */
}
#endif
_PyObject_GC_TRACK(op);
return (PyObject *) op;
}
PyFrameObject*
PyFrame_New(PyThreadState *tstate, PyCodeObject *code,
PyObject *globals, PyObject *locals)
{
PyFrameObject *f = _PyFrame_New_NoTrack(tstate, code, globals, locals);
if (f)
_PyObject_GC_TRACK(f);
return f;
}
//pycodeobject 对象和 global名字空间传进来
PyObject *
PyFunction_New(PyObject *code, PyObject *globals)
{
PyFunctionObject *op = PyObject_GC_New(PyFunctionObject,
&PyFunction_Type);
static PyObject *__name__ = 0;
if (op != NULL) {
PyObject *doc;
PyObject *consts;
PyObject *module;
op->func_weakreflist = NULL;
Py_INCREF(code);
op->func_code = code;//PyCodeObject 设置上去
Py_INCREF(globals);
op->func_globals = globals;
op->func_name = ((PyCodeObject *)code)->co_name;
Py_INCREF(op->func_name);
//默认参数
op->func_defaults = NULL; /* No default arguments */
//闭包数据
op->func_closure = NULL;
consts = ((PyCodeObject *)code)->co_consts;
if (PyTuple_Size(consts) >= 1) {
//第0项一定是doc了....
doc = PyTuple_GetItem(consts, 0);
if (!PyString_Check(doc) && !PyUnicode_Check(doc))
doc = Py_None;
}
else
doc = Py_None;
Py_INCREF(doc);
op->func_doc = doc;
op->func_dict = NULL;
op->func_module = NULL;
/* __module__: If module name is in globals, use it.
Otherwise, use None.
*/
if (!__name__) {
__name__ = PyString_InternFromString("__name__");
if (!__name__) {
Py_DECREF(op);
return NULL;
}
}
module = PyDict_GetItem(globals, __name__);
if (module) {
Py_INCREF(module);
op->func_module = module;
}
}
else
return NULL;
_PyObject_GC_TRACK(op);
return (PyObject *)op;
}
int
_PyTuple_Resize(PyObject **pv, Py_ssize_t newsize)
{
PyTupleObject *v;
PyTupleObject *sv;
Py_ssize_t i;
Py_ssize_t oldsize;
v = (PyTupleObject *) *pv;
if (v == NULL || Py_TYPE(v) != &PyTuple_Type ||
(Py_SIZE(v) != 0 && Py_REFCNT(v) != 1)) {
*pv = 0;
Py_XDECREF(v);
PyErr_BadInternalCall();
return -1;
}
oldsize = Py_SIZE(v);
if (oldsize == newsize)
return 0;
if (oldsize == 0) {
/* Empty tuples are often shared, so we should never
resize them in-place even if we do own the only
(current) reference */
Py_DECREF(v);
*pv = PyTuple_New(newsize);
return *pv == NULL ? -1 : 0;
}
/* XXX UNREF/NEWREF interface should be more symmetrical */
_Py_DEC_REFTOTAL;
if (_PyObject_GC_IS_TRACKED(v))
_PyObject_GC_UNTRACK(v);
_Py_ForgetReference((PyObject *) v);
/* DECREF items deleted by shrinkage */
for (i = newsize; i < oldsize; i++) {
Py_XDECREF(v->ob_item[i]);
v->ob_item[i] = NULL;
}
sv = PyObject_GC_Resize(PyTupleObject, v, newsize);
if (sv == NULL) {
*pv = NULL;
PyObject_GC_Del(v);
return -1;
}
_Py_NewReference((PyObject *) sv);
/* Zero out items added by growing */
if (newsize > oldsize)
memset(&sv->ob_item[oldsize], 0,
sizeof(*sv->ob_item) * (newsize - oldsize));
*pv = (PyObject *) sv;
_PyObject_GC_TRACK(sv);
return 0;
}
PyObject *
PyInstanceMethod_New(PyObject *func) {
PyInstanceMethodObject *method;
method = PyObject_GC_New(PyInstanceMethodObject,
&PyInstanceMethod_Type);
if (method == NULL) return NULL;
Py_INCREF(func);
method->func = func;
_PyObject_GC_TRACK(method);
return (PyObject *)method;
}
static PyObject *
coro_await(PyCoroObject *coro)
{
PyCoroWrapper *cw = PyObject_GC_New(PyCoroWrapper, &_PyCoroWrapper_Type);
if (cw == NULL) {
return NULL;
}
Py_INCREF(coro);
cw->cw_coroutine = coro;
_PyObject_GC_TRACK(cw);
return (PyObject *)cw;
}
PyObject *
PyCell_New(PyObject *obj)
{
PyCellObject *op;
op = (PyCellObject *)PyObject_GC_New(PyCellObject, &PyCell_Type);
op->ob_ref = obj;
Py_XINCREF(obj);
_PyObject_GC_TRACK(op);
return (PyObject *)op;
}
PyObject *
PyDictProxy_New(PyObject *dict)
{
proxyobject *pp;
pp = PyObject_GC_New(proxyobject, &proxytype);
if (pp != NULL) {
Py_INCREF(dict);
pp->dict = dict;
_PyObject_GC_TRACK(pp);
}
return (PyObject *)pp;
}
PyObject *
PyCFunction_NewEx(PyMethodDef *ml, PyObject *self, PyObject *module)
{
PyCFunctionObject *op;
// Sanity check early, to avoid having to clean up from the mixed
// free list/allocation scheme below.
if (ml->ml_flags & METH_ARG_RANGE) {
if (ml->ml_min_arity < 0 || ml->ml_min_arity > PY_MAX_ARITY ||
ml->ml_max_arity < 0 || ml->ml_max_arity > PY_MAX_ARITY ||
ml->ml_max_arity < ml->ml_min_arity) {
PyErr_BadInternalCall();
return NULL;
}
}
op = free_list;
if (op != NULL) {
free_list = (PyCFunctionObject *)(op->m_self);
PyObject_INIT(op, &PyCFunction_Type);
numfree--;
}
else {
op = PyObject_GC_New(PyCFunctionObject, &PyCFunction_Type);
if (op == NULL)
return NULL;
}
/* Rewrite the old METH_O/METH_NOARGS flags to the new METH_ARG_RANGE
so we only have to implement METH_ARG_RANGE. */
if (ml->ml_flags & METH_NOARGS) {
ml->ml_flags &= ~METH_NOARGS;
ml->ml_flags |= METH_ARG_RANGE;
ml->ml_min_arity = 0;
ml->ml_max_arity = 0;
}
else if (ml->ml_flags & METH_O) {
ml->ml_flags &= ~METH_O;
ml->ml_flags |= METH_ARG_RANGE;
ml->ml_min_arity = 1;
ml->ml_max_arity = 1;
}
op->m_ml = ml;
Py_XINCREF(self);
op->m_self = self;
Py_XINCREF(module);
op->m_module = module;
_PyObject_GC_TRACK(op);
return (PyObject *)op;
}
static PyContext *
context_new_from_vars(PyHamtObject *vars)
{
PyContext *ctx = _context_alloc();
if (ctx == NULL) {
return NULL;
}
Py_INCREF(vars);
ctx->ctx_vars = vars;
_PyObject_GC_TRACK(ctx);
return ctx;
}
PyObject *
PyCallIter_New(PyObject *callable, PyObject *sentinel)
{
calliterobject *it;
it = PyObject_GC_New(calliterobject, &PyCallIter_Type);
if (it == NULL)
return NULL;
Py_INCREF(callable);
it->it_callable = callable;
Py_INCREF(sentinel);
it->it_sentinel = sentinel;
_PyObject_GC_TRACK(it);
return (PyObject *)it;
}
PyObject *
PyGen_New(PyFrameObject *f)
{
PyGenObject *gen = PyObject_GC_New(PyGenObject, &PyGen_Type);
if (gen == NULL) {
Py_DECREF(f);
return NULL;
}
gen->gi_frame = f;
Py_INCREF(f->f_code);
gen->gi_code = (PyObject *)(f->f_code);
gen->gi_running = 0;
gen->gi_weakreflist = NULL;
_PyObject_GC_TRACK(gen);
return (PyObject *)gen;
}
static PyContext *
context_new_empty(void)
{
PyContext *ctx = _context_alloc();
if (ctx == NULL) {
return NULL;
}
ctx->ctx_vars = _PyHamt_New();
if (ctx->ctx_vars == NULL) {
Py_DECREF(ctx);
return NULL;
}
_PyObject_GC_TRACK(ctx);
return ctx;
}
static PyObject *
record_iter(PyObject *seq)
{
ApgRecordIterObject *it;
if (!ApgRecord_CheckExact(seq)) {
PyErr_BadInternalCall();
return NULL;
}
it = PyObject_GC_New(ApgRecordIterObject, &ApgRecordIter_Type);
if (it == NULL)
return NULL;
it->it_index = 0;
Py_INCREF(seq);
it->it_seq = (ApgRecordObject *)seq;
_PyObject_GC_TRACK(it);
return (PyObject *)it;
}
static PyObject *
tuple_iter(PyObject *seq)
{
tupleiterobject *it;
if (!PyTuple_Check(seq)) {
PyErr_BadInternalCall();
return NULL;
}
it = PyObject_GC_New(tupleiterobject, &PyTupleIter_Type);
if (it == NULL)
return NULL;
it->it_index = 0;
Py_INCREF(seq);
it->it_seq = (PyTupleObject *)seq;
_PyObject_GC_TRACK(it);
return (PyObject *)it;
}
PyObject *
PySeqIter_New(PyObject *seq)
{
seqiterobject *it;
if (!PySequence_Check(seq)) {
PyErr_BadInternalCall();
return NULL;
}
it = PyObject_GC_New(seqiterobject, &PySeqIter_Type);
if (it == NULL)
return NULL;
it->it_index = 0;
Py_INCREF(seq);
it->it_seq = seq;
_PyObject_GC_TRACK(it);
return (PyObject *)it;
}
PyObject *
PyWrapper_New(PyObject *d, PyObject *self)
{
wrapperobject *wp;
PyWrapperDescrObject *descr;
assert(PyObject_TypeCheck(d, &PyWrapperDescr_Type));
descr = (PyWrapperDescrObject *)d;
assert(PyObject_IsInstance(self, (PyObject *)(descr->d_type)));
wp = PyObject_GC_New(wrapperobject, &wrappertype);
if (wp != NULL) {
Py_INCREF(descr);
wp->descr = descr;
Py_INCREF(self);
wp->self = self;
_PyObject_GC_TRACK(wp);
}
return (PyObject *)wp;
}
static tracebackobject *
newtracebackobject(tracebackobject *next, PyFrameObject *frame, int lasti,
int lineno)
{
tracebackobject *tb;
if ((next != NULL && !PyTraceBack_Check(next)) ||
frame == NULL || !PyFrame_Check(frame)) {
PyErr_BadInternalCall();
return NULL;
}
tb = PyObject_GC_New(tracebackobject, &PyTraceBack_Type);
if (tb != NULL) {
Py_XINCREF(next);
tb->tb_next = next;
Py_XINCREF(frame);
tb->tb_frame = frame;
tb->tb_lasti = lasti;
tb->tb_lineno = lineno;
_PyObject_GC_TRACK(tb);
}
return tb;
}
static void
gen_dealloc(PyGenObject *gen)
{
PyObject *self = (PyObject *) gen;
_PyObject_GC_UNTRACK(gen);
if (gen->gi_weakreflist != NULL)
PyObject_ClearWeakRefs(self);
_PyObject_GC_TRACK(self);
if (PyObject_CallFinalizerFromDealloc(self))
return; /* resurrected. :( */
_PyObject_GC_UNTRACK(self);
Py_CLEAR(gen->gi_frame);
Py_CLEAR(gen->gi_code);
Py_CLEAR(gen->gi_name);
Py_CLEAR(gen->gi_qualname);
PyObject_GC_Del(gen);
}
PyObject *
PyCFunction_NewEx(PyMethodDef *ml, PyObject *self, PyObject *module)
{
PyCFunctionObject *op;
op = free_list;
if (op != NULL) {
free_list = (PyCFunctionObject *)(op->m_self);
PyObject_INIT(op, &PyCFunction_Type);
}
else {
op = PyObject_GC_New(PyCFunctionObject, &PyCFunction_Type);
if (op == NULL)
return NULL;
}
op->m_ml = ml;
Py_XINCREF(self);
op->m_self = self;
Py_XINCREF(module);
op->m_module = module;
_PyObject_GC_TRACK(op);
return (PyObject *)op;
}
PyObject *
ApgRecord_New(PyObject *mapping, Py_ssize_t size)
{
ApgRecordObject *o;
Py_ssize_t i;
if (size < 1 || mapping == NULL) {
PyErr_BadInternalCall();
return NULL;
}
if (size < ApgRecord_MAXSAVESIZE && (o = free_list[size]) != NULL) {
free_list[size] = (ApgRecordObject *) o->ob_item[0];
numfree[size]--;
_Py_NewReference((PyObject *)o);
}
else {
/* Check for overflow */
if ((size_t)size > ((size_t)PY_SSIZE_T_MAX - sizeof(ApgRecordObject) -
sizeof(PyObject *)) / sizeof(PyObject *)) {
return PyErr_NoMemory();
}
o = PyObject_GC_NewVar(ApgRecordObject, &ApgRecord_Type, size);
if (o == NULL) {
return NULL;
}
}
for (i = 0; i < size; i++) {
o->ob_item[i] = NULL;
}
Py_INCREF(mapping);
o->mapping = mapping;
o->self_hash = -1;
_PyObject_GC_TRACK(o);
return (PyObject *) o;
}
static void
gen_dealloc(PyGenObject *gen)
{
PyObject *self = (PyObject *) gen;
_PyObject_GC_UNTRACK(gen);
if (gen->gi_weakreflist != NULL)
PyObject_ClearWeakRefs(self);
_PyObject_GC_TRACK(self);
if (gen->gi_frame != NULL && gen->gi_frame->f_stacktop != NULL) {
/* Generator is paused, so we need to close */
Py_TYPE(gen)->tp_del(self);
if (self->ob_refcnt > 0)
return; /* resurrected. :( */
}
_PyObject_GC_UNTRACK(self);
Py_CLEAR(gen->gi_frame);
Py_CLEAR(gen->gi_code);
PyObject_GC_Del(gen);
}
