From a73a964e51247ed169d322c725a3a18859f109a3 Mon Sep 17 00:00:00 2001 From: Ori Bernstein Date: Mon, 14 Jun 2021 00:00:37 +0000 Subject: python, hg: tow outside the environment. they've served us well, and can ride off into the sunset. --- sys/src/cmd/python/Objects/iterobject.c | 232 -------------------------------- 1 file changed, 232 deletions(-) delete mode 100644 sys/src/cmd/python/Objects/iterobject.c (limited to 'sys/src/cmd/python/Objects/iterobject.c') diff --git a/sys/src/cmd/python/Objects/iterobject.c b/sys/src/cmd/python/Objects/iterobject.c deleted file mode 100644 index cf839f478..000000000 --- a/sys/src/cmd/python/Objects/iterobject.c +++ /dev/null @@ -1,232 +0,0 @@ -/* Iterator objects */ - -#include "Python.h" - -typedef struct { - PyObject_HEAD - long it_index; - PyObject *it_seq; /* Set to NULL when iterator is exhausted */ -} seqiterobject; - -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; -} - -static void -iter_dealloc(seqiterobject *it) -{ - _PyObject_GC_UNTRACK(it); - Py_XDECREF(it->it_seq); - PyObject_GC_Del(it); -} - -static int -iter_traverse(seqiterobject *it, visitproc visit, void *arg) -{ - Py_VISIT(it->it_seq); - return 0; -} - -static PyObject * -iter_iternext(PyObject *iterator) -{ - seqiterobject *it; - PyObject *seq; - PyObject *result; - - assert(PySeqIter_Check(iterator)); - it = (seqiterobject *)iterator; - seq = it->it_seq; - if (seq == NULL) - return NULL; - - result = PySequence_GetItem(seq, it->it_index); - if (result != NULL) { - it->it_index++; - return result; - } - if (PyErr_ExceptionMatches(PyExc_IndexError) || - PyErr_ExceptionMatches(PyExc_StopIteration)) - { - PyErr_Clear(); - Py_DECREF(seq); - it->it_seq = NULL; - } - return NULL; -} - -static PyObject * -iter_len(seqiterobject *it) -{ - Py_ssize_t seqsize, len; - - if (it->it_seq) { - seqsize = PySequence_Size(it->it_seq); - if (seqsize == -1) - return NULL; - len = seqsize - it->it_index; - if (len >= 0) - return PyInt_FromSsize_t(len); - } - return PyInt_FromLong(0); -} - -PyDoc_STRVAR(length_hint_doc, "Private method returning an estimate of len(list(it))."); - -static PyMethodDef seqiter_methods[] = { - {"__length_hint__", (PyCFunction)iter_len, METH_NOARGS, length_hint_doc}, - {NULL, NULL} /* sentinel */ -}; - -PyTypeObject PySeqIter_Type = { - PyObject_HEAD_INIT(&PyType_Type) - 0, /* ob_size */ - "iterator", /* tp_name */ - sizeof(seqiterobject), /* tp_basicsize */ - 0, /* tp_itemsize */ - /* methods */ - (destructor)iter_dealloc, /* tp_dealloc */ - 0, /* tp_print */ - 0, /* tp_getattr */ - 0, /* tp_setattr */ - 0, /* tp_compare */ - 0, /* tp_repr */ - 0, /* tp_as_number */ - 0, /* tp_as_sequence */ - 0, /* tp_as_mapping */ - 0, /* tp_hash */ - 0, /* tp_call */ - 0, /* tp_str */ - PyObject_GenericGetAttr, /* tp_getattro */ - 0, /* tp_setattro */ - 0, /* tp_as_buffer */ - Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */ - 0, /* tp_doc */ - (traverseproc)iter_traverse, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - PyObject_SelfIter, /* tp_iter */ - iter_iternext, /* tp_iternext */ - seqiter_methods, /* tp_methods */ - 0, /* tp_members */ -}; - -/* -------------------------------------- */ - -typedef struct { - PyObject_HEAD - PyObject *it_callable; /* Set to NULL when iterator is exhausted */ - PyObject *it_sentinel; /* Set to NULL when iterator is exhausted */ -} calliterobject; - -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; -} -static void -calliter_dealloc(calliterobject *it) -{ - _PyObject_GC_UNTRACK(it); - Py_XDECREF(it->it_callable); - Py_XDECREF(it->it_sentinel); - PyObject_GC_Del(it); -} - -static int -calliter_traverse(calliterobject *it, visitproc visit, void *arg) -{ - Py_VISIT(it->it_callable); - Py_VISIT(it->it_sentinel); - return 0; -} - -static PyObject * -calliter_iternext(calliterobject *it) -{ - if (it->it_callable != NULL) { - PyObject *args = PyTuple_New(0); - PyObject *result; - if (args == NULL) - return NULL; - result = PyObject_Call(it->it_callable, args, NULL); - Py_DECREF(args); - if (result != NULL) { - int ok; - ok = PyObject_RichCompareBool(result, - it->it_sentinel, - Py_EQ); - if (ok == 0) - return result; /* Common case, fast path */ - Py_DECREF(result); - if (ok > 0) { - Py_CLEAR(it->it_callable); - Py_CLEAR(it->it_sentinel); - } - } - else if (PyErr_ExceptionMatches(PyExc_StopIteration)) { - PyErr_Clear(); - Py_CLEAR(it->it_callable); - Py_CLEAR(it->it_sentinel); - } - } - return NULL; -} - -PyTypeObject PyCallIter_Type = { - PyObject_HEAD_INIT(&PyType_Type) - 0, /* ob_size */ - "callable-iterator", /* tp_name */ - sizeof(calliterobject), /* tp_basicsize */ - 0, /* tp_itemsize */ - /* methods */ - (destructor)calliter_dealloc, /* tp_dealloc */ - 0, /* tp_print */ - 0, /* tp_getattr */ - 0, /* tp_setattr */ - 0, /* tp_compare */ - 0, /* tp_repr */ - 0, /* tp_as_number */ - 0, /* tp_as_sequence */ - 0, /* tp_as_mapping */ - 0, /* tp_hash */ - 0, /* tp_call */ - 0, /* tp_str */ - PyObject_GenericGetAttr, /* tp_getattro */ - 0, /* tp_setattro */ - 0, /* tp_as_buffer */ - Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */ - 0, /* tp_doc */ - (traverseproc)calliter_traverse, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - PyObject_SelfIter, /* tp_iter */ - (iternextfunc)calliter_iternext, /* tp_iternext */ - 0, /* tp_methods */ -}; 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