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authormonster <monster@ydb.tech>2022-07-07 14:41:37 +0300
committermonster <monster@ydb.tech>2022-07-07 14:41:37 +0300
commit06e5c21a835c0e923506c4ff27929f34e00761c2 (patch)
tree75efcbc6854ef9bd476eb8bf00cc5c900da436a2 /contrib/tools/python3/src/Objects/object.c
parent03f024c4412e3aa613bb543cf1660176320ba8f4 (diff)
downloadydb-06e5c21a835c0e923506c4ff27929f34e00761c2.tar.gz
fix ya.make
Diffstat (limited to 'contrib/tools/python3/src/Objects/object.c')
-rw-r--r--contrib/tools/python3/src/Objects/object.c2354
1 files changed, 0 insertions, 2354 deletions
diff --git a/contrib/tools/python3/src/Objects/object.c b/contrib/tools/python3/src/Objects/object.c
deleted file mode 100644
index 47c352e3d6..0000000000
--- a/contrib/tools/python3/src/Objects/object.c
+++ /dev/null
@@ -1,2354 +0,0 @@
-
-/* Generic object operations; and implementation of None */
-
-#include "Python.h"
-#include "pycore_ceval.h" // _Py_EnterRecursiveCall()
-#include "pycore_context.h"
-#include "pycore_initconfig.h"
-#include "pycore_object.h"
-#include "pycore_pyerrors.h"
-#include "pycore_pylifecycle.h"
-#include "pycore_pymem.h" // _PyMem_IsPtrFreed()
-#include "pycore_pystate.h" // _PyThreadState_GET()
-#include "pycore_symtable.h" // PySTEntry_Type
-#include "pycore_unionobject.h" // _PyUnion_Type
-#include "frameobject.h"
-#include "interpreteridobject.h"
-
-#ifdef Py_LIMITED_API
- // Prevent recursive call _Py_IncRef() <=> Py_INCREF()
-# error "Py_LIMITED_API macro must not be defined"
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Defined in tracemalloc.c */
-extern void _PyMem_DumpTraceback(int fd, const void *ptr);
-
-_Py_IDENTIFIER(Py_Repr);
-_Py_IDENTIFIER(__bytes__);
-_Py_IDENTIFIER(__dir__);
-_Py_IDENTIFIER(__isabstractmethod__);
-
-
-int
-_PyObject_CheckConsistency(PyObject *op, int check_content)
-{
-#define CHECK(expr) \
- do { if (!(expr)) { _PyObject_ASSERT_FAILED_MSG(op, Py_STRINGIFY(expr)); } } while (0)
-
- CHECK(!_PyObject_IsFreed(op));
- CHECK(Py_REFCNT(op) >= 1);
-
- _PyType_CheckConsistency(Py_TYPE(op));
-
- if (PyUnicode_Check(op)) {
- _PyUnicode_CheckConsistency(op, check_content);
- }
- else if (PyDict_Check(op)) {
- _PyDict_CheckConsistency(op, check_content);
- }
- return 1;
-
-#undef CHECK
-}
-
-
-#ifdef Py_REF_DEBUG
-Py_ssize_t _Py_RefTotal;
-
-Py_ssize_t
-_Py_GetRefTotal(void)
-{
- PyObject *o;
- Py_ssize_t total = _Py_RefTotal;
- o = _PySet_Dummy;
- if (o != NULL)
- total -= Py_REFCNT(o);
- return total;
-}
-
-void
-_PyDebug_PrintTotalRefs(void) {
- fprintf(stderr,
- "[%zd refs, %zd blocks]\n",
- _Py_GetRefTotal(), _Py_GetAllocatedBlocks());
-}
-#endif /* Py_REF_DEBUG */
-
-/* Object allocation routines used by NEWOBJ and NEWVAROBJ macros.
- These are used by the individual routines for object creation.
- Do not call them otherwise, they do not initialize the object! */
-
-#ifdef Py_TRACE_REFS
-/* Head of circular doubly-linked list of all objects. These are linked
- * together via the _ob_prev and _ob_next members of a PyObject, which
- * exist only in a Py_TRACE_REFS build.
- */
-static PyObject refchain = {&refchain, &refchain};
-
-/* Insert op at the front of the list of all objects. If force is true,
- * op is added even if _ob_prev and _ob_next are non-NULL already. If
- * force is false amd _ob_prev or _ob_next are non-NULL, do nothing.
- * force should be true if and only if op points to freshly allocated,
- * uninitialized memory, or you've unlinked op from the list and are
- * relinking it into the front.
- * Note that objects are normally added to the list via _Py_NewReference,
- * which is called by PyObject_Init. Not all objects are initialized that
- * way, though; exceptions include statically allocated type objects, and
- * statically allocated singletons (like Py_True and Py_None).
- */
-void
-_Py_AddToAllObjects(PyObject *op, int force)
-{
-#ifdef Py_DEBUG
- if (!force) {
- /* If it's initialized memory, op must be in or out of
- * the list unambiguously.
- */
- _PyObject_ASSERT(op, (op->_ob_prev == NULL) == (op->_ob_next == NULL));
- }
-#endif
- if (force || op->_ob_prev == NULL) {
- op->_ob_next = refchain._ob_next;
- op->_ob_prev = &refchain;
- refchain._ob_next->_ob_prev = op;
- refchain._ob_next = op;
- }
-}
-#endif /* Py_TRACE_REFS */
-
-#ifdef Py_REF_DEBUG
-/* Log a fatal error; doesn't return. */
-void
-_Py_NegativeRefcount(const char *filename, int lineno, PyObject *op)
-{
- _PyObject_AssertFailed(op, NULL, "object has negative ref count",
- filename, lineno, __func__);
-}
-
-#endif /* Py_REF_DEBUG */
-
-void
-Py_IncRef(PyObject *o)
-{
- Py_XINCREF(o);
-}
-
-void
-Py_DecRef(PyObject *o)
-{
- Py_XDECREF(o);
-}
-
-void
-_Py_IncRef(PyObject *o)
-{
- Py_INCREF(o);
-}
-
-void
-_Py_DecRef(PyObject *o)
-{
- Py_DECREF(o);
-}
-
-PyObject *
-PyObject_Init(PyObject *op, PyTypeObject *tp)
-{
- if (op == NULL) {
- return PyErr_NoMemory();
- }
-
- _PyObject_Init(op, tp);
- return op;
-}
-
-PyVarObject *
-PyObject_InitVar(PyVarObject *op, PyTypeObject *tp, Py_ssize_t size)
-{
- if (op == NULL) {
- return (PyVarObject *) PyErr_NoMemory();
- }
-
- _PyObject_InitVar(op, tp, size);
- return op;
-}
-
-PyObject *
-_PyObject_New(PyTypeObject *tp)
-{
- PyObject *op = (PyObject *) PyObject_Malloc(_PyObject_SIZE(tp));
- if (op == NULL) {
- return PyErr_NoMemory();
- }
- _PyObject_Init(op, tp);
- return op;
-}
-
-PyVarObject *
-_PyObject_NewVar(PyTypeObject *tp, Py_ssize_t nitems)
-{
- PyVarObject *op;
- const size_t size = _PyObject_VAR_SIZE(tp, nitems);
- op = (PyVarObject *) PyObject_Malloc(size);
- if (op == NULL) {
- return (PyVarObject *)PyErr_NoMemory();
- }
- _PyObject_InitVar(op, tp, nitems);
- return op;
-}
-
-void
-PyObject_CallFinalizer(PyObject *self)
-{
- PyTypeObject *tp = Py_TYPE(self);
-
- if (tp->tp_finalize == NULL)
- return;
- /* tp_finalize should only be called once. */
- if (_PyType_IS_GC(tp) && _PyGC_FINALIZED(self))
- return;
-
- tp->tp_finalize(self);
- if (_PyType_IS_GC(tp)) {
- _PyGC_SET_FINALIZED(self);
- }
-}
-
-int
-PyObject_CallFinalizerFromDealloc(PyObject *self)
-{
- if (Py_REFCNT(self) != 0) {
- _PyObject_ASSERT_FAILED_MSG(self,
- "PyObject_CallFinalizerFromDealloc called "
- "on object with a non-zero refcount");
- }
-
- /* Temporarily resurrect the object. */
- Py_SET_REFCNT(self, 1);
-
- PyObject_CallFinalizer(self);
-
- _PyObject_ASSERT_WITH_MSG(self,
- Py_REFCNT(self) > 0,
- "refcount is too small");
-
- /* Undo the temporary resurrection; can't use DECREF here, it would
- * cause a recursive call. */
- Py_SET_REFCNT(self, Py_REFCNT(self) - 1);
- if (Py_REFCNT(self) == 0) {
- return 0; /* this is the normal path out */
- }
-
- /* tp_finalize resurrected it! Make it look like the original Py_DECREF
- * never happened. */
- Py_ssize_t refcnt = Py_REFCNT(self);
- _Py_NewReference(self);
- Py_SET_REFCNT(self, refcnt);
-
- _PyObject_ASSERT(self,
- (!_PyType_IS_GC(Py_TYPE(self))
- || _PyObject_GC_IS_TRACKED(self)));
- /* If Py_REF_DEBUG macro is defined, _Py_NewReference() increased
- _Py_RefTotal, so we need to undo that. */
-#ifdef Py_REF_DEBUG
- _Py_RefTotal--;
-#endif
- return -1;
-}
-
-int
-PyObject_Print(PyObject *op, FILE *fp, int flags)
-{
- int ret = 0;
- if (PyErr_CheckSignals())
- return -1;
-#ifdef USE_STACKCHECK
- if (PyOS_CheckStack()) {
- PyErr_SetString(PyExc_MemoryError, "stack overflow");
- return -1;
- }
-#endif
- clearerr(fp); /* Clear any previous error condition */
- if (op == NULL) {
- Py_BEGIN_ALLOW_THREADS
- fprintf(fp, "<nil>");
- Py_END_ALLOW_THREADS
- }
- else {
- if (Py_REFCNT(op) <= 0) {
- /* XXX(twouters) cast refcount to long until %zd is
- universally available */
- Py_BEGIN_ALLOW_THREADS
- fprintf(fp, "<refcnt %ld at %p>",
- (long)Py_REFCNT(op), (void *)op);
- Py_END_ALLOW_THREADS
- }
- else {
- PyObject *s;
- if (flags & Py_PRINT_RAW)
- s = PyObject_Str(op);
- else
- s = PyObject_Repr(op);
- if (s == NULL)
- ret = -1;
- else if (PyBytes_Check(s)) {
- fwrite(PyBytes_AS_STRING(s), 1,
- PyBytes_GET_SIZE(s), fp);
- }
- else if (PyUnicode_Check(s)) {
- PyObject *t;
- t = PyUnicode_AsEncodedString(s, "utf-8", "backslashreplace");
- if (t == NULL) {
- ret = -1;
- }
- else {
- fwrite(PyBytes_AS_STRING(t), 1,
- PyBytes_GET_SIZE(t), fp);
- Py_DECREF(t);
- }
- }
- else {
- PyErr_Format(PyExc_TypeError,
- "str() or repr() returned '%.100s'",
- Py_TYPE(s)->tp_name);
- ret = -1;
- }
- Py_XDECREF(s);
- }
- }
- if (ret == 0) {
- if (ferror(fp)) {
- PyErr_SetFromErrno(PyExc_OSError);
- clearerr(fp);
- ret = -1;
- }
- }
- return ret;
-}
-
-/* For debugging convenience. Set a breakpoint here and call it from your DLL */
-void
-_Py_BreakPoint(void)
-{
-}
-
-
-/* Heuristic checking if the object memory is uninitialized or deallocated.
- Rely on the debug hooks on Python memory allocators:
- see _PyMem_IsPtrFreed().
-
- The function can be used to prevent segmentation fault on dereferencing
- pointers like 0xDDDDDDDDDDDDDDDD. */
-int
-_PyObject_IsFreed(PyObject *op)
-{
- if (_PyMem_IsPtrFreed(op) || _PyMem_IsPtrFreed(Py_TYPE(op))) {
- return 1;
- }
- /* ignore op->ob_ref: its value can have be modified
- by Py_INCREF() and Py_DECREF(). */
-#ifdef Py_TRACE_REFS
- if (op->_ob_next != NULL && _PyMem_IsPtrFreed(op->_ob_next)) {
- return 1;
- }
- if (op->_ob_prev != NULL && _PyMem_IsPtrFreed(op->_ob_prev)) {
- return 1;
- }
-#endif
- return 0;
-}
-
-
-/* For debugging convenience. See Misc/gdbinit for some useful gdb hooks */
-void
-_PyObject_Dump(PyObject* op)
-{
- if (_PyObject_IsFreed(op)) {
- /* It seems like the object memory has been freed:
- don't access it to prevent a segmentation fault. */
- fprintf(stderr, "<object at %p is freed>\n", op);
- fflush(stderr);
- return;
- }
-
- /* first, write fields which are the least likely to crash */
- fprintf(stderr, "object address : %p\n", (void *)op);
- /* XXX(twouters) cast refcount to long until %zd is
- universally available */
- fprintf(stderr, "object refcount : %ld\n", (long)Py_REFCNT(op));
- fflush(stderr);
-
- PyTypeObject *type = Py_TYPE(op);
- fprintf(stderr, "object type : %p\n", type);
- fprintf(stderr, "object type name: %s\n",
- type==NULL ? "NULL" : type->tp_name);
-
- /* the most dangerous part */
- fprintf(stderr, "object repr : ");
- fflush(stderr);
-
- PyGILState_STATE gil = PyGILState_Ensure();
- PyObject *error_type, *error_value, *error_traceback;
- PyErr_Fetch(&error_type, &error_value, &error_traceback);
-
- (void)PyObject_Print(op, stderr, 0);
- fflush(stderr);
-
- PyErr_Restore(error_type, error_value, error_traceback);
- PyGILState_Release(gil);
-
- fprintf(stderr, "\n");
- fflush(stderr);
-}
-
-PyObject *
-PyObject_Repr(PyObject *v)
-{
- PyObject *res;
- if (PyErr_CheckSignals())
- return NULL;
-#ifdef USE_STACKCHECK
- if (PyOS_CheckStack()) {
- PyErr_SetString(PyExc_MemoryError, "stack overflow");
- return NULL;
- }
-#endif
- if (v == NULL)
- return PyUnicode_FromString("<NULL>");
- if (Py_TYPE(v)->tp_repr == NULL)
- return PyUnicode_FromFormat("<%s object at %p>",
- Py_TYPE(v)->tp_name, v);
-
- PyThreadState *tstate = _PyThreadState_GET();
-#ifdef Py_DEBUG
- /* PyObject_Repr() must not be called with an exception set,
- because it can clear it (directly or indirectly) and so the
- caller loses its exception */
- assert(!_PyErr_Occurred(tstate));
-#endif
-
- /* It is possible for a type to have a tp_repr representation that loops
- infinitely. */
- if (_Py_EnterRecursiveCall(tstate,
- " while getting the repr of an object")) {
- return NULL;
- }
- res = (*Py_TYPE(v)->tp_repr)(v);
- _Py_LeaveRecursiveCall(tstate);
-
- if (res == NULL) {
- return NULL;
- }
- if (!PyUnicode_Check(res)) {
- _PyErr_Format(tstate, PyExc_TypeError,
- "__repr__ returned non-string (type %.200s)",
- Py_TYPE(res)->tp_name);
- Py_DECREF(res);
- return NULL;
- }
-#ifndef Py_DEBUG
- if (PyUnicode_READY(res) < 0) {
- return NULL;
- }
-#endif
- return res;
-}
-
-PyObject *
-PyObject_Str(PyObject *v)
-{
- PyObject *res;
- if (PyErr_CheckSignals())
- return NULL;
-#ifdef USE_STACKCHECK
- if (PyOS_CheckStack()) {
- PyErr_SetString(PyExc_MemoryError, "stack overflow");
- return NULL;
- }
-#endif
- if (v == NULL)
- return PyUnicode_FromString("<NULL>");
- if (PyUnicode_CheckExact(v)) {
-#ifndef Py_DEBUG
- if (PyUnicode_READY(v) < 0)
- return NULL;
-#endif
- Py_INCREF(v);
- return v;
- }
- if (Py_TYPE(v)->tp_str == NULL)
- return PyObject_Repr(v);
-
- PyThreadState *tstate = _PyThreadState_GET();
-#ifdef Py_DEBUG
- /* PyObject_Str() must not be called with an exception set,
- because it can clear it (directly or indirectly) and so the
- caller loses its exception */
- assert(!_PyErr_Occurred(tstate));
-#endif
-
- /* It is possible for a type to have a tp_str representation that loops
- infinitely. */
- if (_Py_EnterRecursiveCall(tstate, " while getting the str of an object")) {
- return NULL;
- }
- res = (*Py_TYPE(v)->tp_str)(v);
- _Py_LeaveRecursiveCall(tstate);
-
- if (res == NULL) {
- return NULL;
- }
- if (!PyUnicode_Check(res)) {
- _PyErr_Format(tstate, PyExc_TypeError,
- "__str__ returned non-string (type %.200s)",
- Py_TYPE(res)->tp_name);
- Py_DECREF(res);
- return NULL;
- }
-#ifndef Py_DEBUG
- if (PyUnicode_READY(res) < 0) {
- return NULL;
- }
-#endif
- assert(_PyUnicode_CheckConsistency(res, 1));
- return res;
-}
-
-PyObject *
-PyObject_ASCII(PyObject *v)
-{
- PyObject *repr, *ascii, *res;
-
- repr = PyObject_Repr(v);
- if (repr == NULL)
- return NULL;
-
- if (PyUnicode_IS_ASCII(repr))
- return repr;
-
- /* repr is guaranteed to be a PyUnicode object by PyObject_Repr */
- ascii = _PyUnicode_AsASCIIString(repr, "backslashreplace");
- Py_DECREF(repr);
- if (ascii == NULL)
- return NULL;
-
- res = PyUnicode_DecodeASCII(
- PyBytes_AS_STRING(ascii),
- PyBytes_GET_SIZE(ascii),
- NULL);
-
- Py_DECREF(ascii);
- return res;
-}
-
-PyObject *
-PyObject_Bytes(PyObject *v)
-{
- PyObject *result, *func;
-
- if (v == NULL)
- return PyBytes_FromString("<NULL>");
-
- if (PyBytes_CheckExact(v)) {
- Py_INCREF(v);
- return v;
- }
-
- func = _PyObject_LookupSpecial(v, &PyId___bytes__);
- if (func != NULL) {
- result = _PyObject_CallNoArg(func);
- Py_DECREF(func);
- if (result == NULL)
- return NULL;
- if (!PyBytes_Check(result)) {
- PyErr_Format(PyExc_TypeError,
- "__bytes__ returned non-bytes (type %.200s)",
- Py_TYPE(result)->tp_name);
- Py_DECREF(result);
- return NULL;
- }
- return result;
- }
- else if (PyErr_Occurred())
- return NULL;
- return PyBytes_FromObject(v);
-}
-
-
-/*
-def _PyObject_FunctionStr(x):
- try:
- qualname = x.__qualname__
- except AttributeError:
- return str(x)
- try:
- mod = x.__module__
- if mod is not None and mod != 'builtins':
- return f"{x.__module__}.{qualname}()"
- except AttributeError:
- pass
- return qualname
-*/
-PyObject *
-_PyObject_FunctionStr(PyObject *x)
-{
- _Py_IDENTIFIER(__module__);
- _Py_IDENTIFIER(__qualname__);
- _Py_IDENTIFIER(builtins);
- assert(!PyErr_Occurred());
- PyObject *qualname;
- int ret = _PyObject_LookupAttrId(x, &PyId___qualname__, &qualname);
- if (qualname == NULL) {
- if (ret < 0) {
- return NULL;
- }
- return PyObject_Str(x);
- }
- PyObject *module;
- PyObject *result = NULL;
- ret = _PyObject_LookupAttrId(x, &PyId___module__, &module);
- if (module != NULL && module != Py_None) {
- PyObject *builtinsname = _PyUnicode_FromId(&PyId_builtins);
- if (builtinsname == NULL) {
- goto done;
- }
- ret = PyObject_RichCompareBool(module, builtinsname, Py_NE);
- if (ret < 0) {
- // error
- goto done;
- }
- if (ret > 0) {
- result = PyUnicode_FromFormat("%S.%S()", module, qualname);
- goto done;
- }
- }
- else if (ret < 0) {
- goto done;
- }
- result = PyUnicode_FromFormat("%S()", qualname);
-done:
- Py_DECREF(qualname);
- Py_XDECREF(module);
- return result;
-}
-
-/* For Python 3.0.1 and later, the old three-way comparison has been
- completely removed in favour of rich comparisons. PyObject_Compare() and
- PyObject_Cmp() are gone, and the builtin cmp function no longer exists.
- The old tp_compare slot has been renamed to tp_as_async, and should no
- longer be used. Use tp_richcompare instead.
-
- See (*) below for practical amendments.
-
- tp_richcompare gets called with a first argument of the appropriate type
- and a second object of an arbitrary type. We never do any kind of
- coercion.
-
- The tp_richcompare slot should return an object, as follows:
-
- NULL if an exception occurred
- NotImplemented if the requested comparison is not implemented
- any other false value if the requested comparison is false
- any other true value if the requested comparison is true
-
- The PyObject_RichCompare[Bool]() wrappers raise TypeError when they get
- NotImplemented.
-
- (*) Practical amendments:
-
- - If rich comparison returns NotImplemented, == and != are decided by
- comparing the object pointer (i.e. falling back to the base object
- implementation).
-
-*/
-
-/* Map rich comparison operators to their swapped version, e.g. LT <--> GT */
-int _Py_SwappedOp[] = {Py_GT, Py_GE, Py_EQ, Py_NE, Py_LT, Py_LE};
-
-static const char * const opstrings[] = {"<", "<=", "==", "!=", ">", ">="};
-
-/* Perform a rich comparison, raising TypeError when the requested comparison
- operator is not supported. */
-static PyObject *
-do_richcompare(PyThreadState *tstate, PyObject *v, PyObject *w, int op)
-{
- richcmpfunc f;
- PyObject *res;
- int checked_reverse_op = 0;
-
- if (!Py_IS_TYPE(v, Py_TYPE(w)) &&
- PyType_IsSubtype(Py_TYPE(w), Py_TYPE(v)) &&
- (f = Py_TYPE(w)->tp_richcompare) != NULL) {
- checked_reverse_op = 1;
- res = (*f)(w, v, _Py_SwappedOp[op]);
- if (res != Py_NotImplemented)
- return res;
- Py_DECREF(res);
- }
- if ((f = Py_TYPE(v)->tp_richcompare) != NULL) {
- res = (*f)(v, w, op);
- if (res != Py_NotImplemented)
- return res;
- Py_DECREF(res);
- }
- if (!checked_reverse_op && (f = Py_TYPE(w)->tp_richcompare) != NULL) {
- res = (*f)(w, v, _Py_SwappedOp[op]);
- if (res != Py_NotImplemented)
- return res;
- Py_DECREF(res);
- }
- /* If neither object implements it, provide a sensible default
- for == and !=, but raise an exception for ordering. */
- switch (op) {
- case Py_EQ:
- res = (v == w) ? Py_True : Py_False;
- break;
- case Py_NE:
- res = (v != w) ? Py_True : Py_False;
- break;
- default:
- _PyErr_Format(tstate, PyExc_TypeError,
- "'%s' not supported between instances of '%.100s' and '%.100s'",
- opstrings[op],
- Py_TYPE(v)->tp_name,
- Py_TYPE(w)->tp_name);
- return NULL;
- }
- Py_INCREF(res);
- return res;
-}
-
-/* Perform a rich comparison with object result. This wraps do_richcompare()
- with a check for NULL arguments and a recursion check. */
-
-PyObject *
-PyObject_RichCompare(PyObject *v, PyObject *w, int op)
-{
- PyThreadState *tstate = _PyThreadState_GET();
-
- assert(Py_LT <= op && op <= Py_GE);
- if (v == NULL || w == NULL) {
- if (!_PyErr_Occurred(tstate)) {
- PyErr_BadInternalCall();
- }
- return NULL;
- }
- if (_Py_EnterRecursiveCall(tstate, " in comparison")) {
- return NULL;
- }
- PyObject *res = do_richcompare(tstate, v, w, op);
- _Py_LeaveRecursiveCall(tstate);
- return res;
-}
-
-/* Perform a rich comparison with integer result. This wraps
- PyObject_RichCompare(), returning -1 for error, 0 for false, 1 for true. */
-int
-PyObject_RichCompareBool(PyObject *v, PyObject *w, int op)
-{
- PyObject *res;
- int ok;
-
- /* Quick result when objects are the same.
- Guarantees that identity implies equality. */
- if (v == w) {
- if (op == Py_EQ)
- return 1;
- else if (op == Py_NE)
- return 0;
- }
-
- res = PyObject_RichCompare(v, w, op);
- if (res == NULL)
- return -1;
- if (PyBool_Check(res))
- ok = (res == Py_True);
- else
- ok = PyObject_IsTrue(res);
- Py_DECREF(res);
- return ok;
-}
-
-Py_hash_t
-PyObject_HashNotImplemented(PyObject *v)
-{
- PyErr_Format(PyExc_TypeError, "unhashable type: '%.200s'",
- Py_TYPE(v)->tp_name);
- return -1;
-}
-
-Py_hash_t
-PyObject_Hash(PyObject *v)
-{
- PyTypeObject *tp = Py_TYPE(v);
- if (tp->tp_hash != NULL)
- return (*tp->tp_hash)(v);
- /* To keep to the general practice that inheriting
- * solely from object in C code should work without
- * an explicit call to PyType_Ready, we implicitly call
- * PyType_Ready here and then check the tp_hash slot again
- */
- if (tp->tp_dict == NULL) {
- if (PyType_Ready(tp) < 0)
- return -1;
- if (tp->tp_hash != NULL)
- return (*tp->tp_hash)(v);
- }
- /* Otherwise, the object can't be hashed */
- return PyObject_HashNotImplemented(v);
-}
-
-PyObject *
-PyObject_GetAttrString(PyObject *v, const char *name)
-{
- PyObject *w, *res;
-
- if (Py_TYPE(v)->tp_getattr != NULL)
- return (*Py_TYPE(v)->tp_getattr)(v, (char*)name);
- w = PyUnicode_FromString(name);
- if (w == NULL)
- return NULL;
- res = PyObject_GetAttr(v, w);
- Py_DECREF(w);
- return res;
-}
-
-int
-PyObject_HasAttrString(PyObject *v, const char *name)
-{
- PyObject *res = PyObject_GetAttrString(v, name);
- if (res != NULL) {
- Py_DECREF(res);
- return 1;
- }
- PyErr_Clear();
- return 0;
-}
-
-int
-PyObject_SetAttrString(PyObject *v, const char *name, PyObject *w)
-{
- PyObject *s;
- int res;
-
- if (Py_TYPE(v)->tp_setattr != NULL)
- return (*Py_TYPE(v)->tp_setattr)(v, (char*)name, w);
- s = PyUnicode_InternFromString(name);
- if (s == NULL)
- return -1;
- res = PyObject_SetAttr(v, s, w);
- Py_XDECREF(s);
- return res;
-}
-
-int
-_PyObject_IsAbstract(PyObject *obj)
-{
- int res;
- PyObject* isabstract;
-
- if (obj == NULL)
- return 0;
-
- res = _PyObject_LookupAttrId(obj, &PyId___isabstractmethod__, &isabstract);
- if (res > 0) {
- res = PyObject_IsTrue(isabstract);
- Py_DECREF(isabstract);
- }
- return res;
-}
-
-PyObject *
-_PyObject_GetAttrId(PyObject *v, _Py_Identifier *name)
-{
- PyObject *result;
- PyObject *oname = _PyUnicode_FromId(name); /* borrowed */
- if (!oname)
- return NULL;
- result = PyObject_GetAttr(v, oname);
- return result;
-}
-
-int
-_PyObject_SetAttrId(PyObject *v, _Py_Identifier *name, PyObject *w)
-{
- int result;
- PyObject *oname = _PyUnicode_FromId(name); /* borrowed */
- if (!oname)
- return -1;
- result = PyObject_SetAttr(v, oname, w);
- return result;
-}
-
-static inline int
-set_attribute_error_context(PyObject* v, PyObject* name)
-{
- assert(PyErr_Occurred());
- _Py_IDENTIFIER(name);
- _Py_IDENTIFIER(obj);
- if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
- return 0;
- }
- // Intercept AttributeError exceptions and augment them to offer suggestions later.
- PyObject *type, *value, *traceback;
- PyErr_Fetch(&type, &value, &traceback);
- PyErr_NormalizeException(&type, &value, &traceback);
- // Check if the normalized exception is indeed an AttributeError
- if (!PyErr_GivenExceptionMatches(value, PyExc_AttributeError)) {
- goto restore;
- }
- PyAttributeErrorObject* the_exc = (PyAttributeErrorObject*) value;
- // Check if this exception was already augmented
- if (the_exc->name || the_exc->obj) {
- goto restore;
- }
- // Augment the exception with the name and object
- if (_PyObject_SetAttrId(value, &PyId_name, name) ||
- _PyObject_SetAttrId(value, &PyId_obj, v)) {
- return 1;
- }
-restore:
- PyErr_Restore(type, value, traceback);
- return 0;
-}
-
-PyObject *
-PyObject_GetAttr(PyObject *v, PyObject *name)
-{
- PyTypeObject *tp = Py_TYPE(v);
- if (!PyUnicode_Check(name)) {
- PyErr_Format(PyExc_TypeError,
- "attribute name must be string, not '%.200s'",
- Py_TYPE(name)->tp_name);
- return NULL;
- }
-
- PyObject* result = NULL;
- if (tp->tp_getattro != NULL) {
- result = (*tp->tp_getattro)(v, name);
- }
- else if (tp->tp_getattr != NULL) {
- const char *name_str = PyUnicode_AsUTF8(name);
- if (name_str == NULL) {
- return NULL;
- }
- result = (*tp->tp_getattr)(v, (char *)name_str);
- }
- else {
- PyErr_Format(PyExc_AttributeError,
- "'%.50s' object has no attribute '%U'",
- tp->tp_name, name);
- }
-
- if (result == NULL) {
- set_attribute_error_context(v, name);
- }
- return result;
-}
-
-int
-_PyObject_LookupAttr(PyObject *v, PyObject *name, PyObject **result)
-{
- PyTypeObject *tp = Py_TYPE(v);
-
- if (!PyUnicode_Check(name)) {
- PyErr_Format(PyExc_TypeError,
- "attribute name must be string, not '%.200s'",
- Py_TYPE(name)->tp_name);
- *result = NULL;
- return -1;
- }
-
- if (tp->tp_getattro == PyObject_GenericGetAttr) {
- *result = _PyObject_GenericGetAttrWithDict(v, name, NULL, 1);
- if (*result != NULL) {
- return 1;
- }
- if (PyErr_Occurred()) {
- return -1;
- }
- return 0;
- }
- if (tp->tp_getattro != NULL) {
- *result = (*tp->tp_getattro)(v, name);
- }
- else if (tp->tp_getattr != NULL) {
- const char *name_str = PyUnicode_AsUTF8(name);
- if (name_str == NULL) {
- *result = NULL;
- return -1;
- }
- *result = (*tp->tp_getattr)(v, (char *)name_str);
- }
- else {
- *result = NULL;
- return 0;
- }
-
- if (*result != NULL) {
- return 1;
- }
- if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
- return -1;
- }
- PyErr_Clear();
- return 0;
-}
-
-int
-_PyObject_LookupAttrId(PyObject *v, _Py_Identifier *name, PyObject **result)
-{
- PyObject *oname = _PyUnicode_FromId(name); /* borrowed */
- if (!oname) {
- *result = NULL;
- return -1;
- }
- return _PyObject_LookupAttr(v, oname, result);
-}
-
-int
-PyObject_HasAttr(PyObject *v, PyObject *name)
-{
- PyObject *res;
- if (_PyObject_LookupAttr(v, name, &res) < 0) {
- PyErr_Clear();
- return 0;
- }
- if (res == NULL) {
- return 0;
- }
- Py_DECREF(res);
- return 1;
-}
-
-int
-PyObject_SetAttr(PyObject *v, PyObject *name, PyObject *value)
-{
- PyTypeObject *tp = Py_TYPE(v);
- int err;
-
- if (!PyUnicode_Check(name)) {
- PyErr_Format(PyExc_TypeError,
- "attribute name must be string, not '%.200s'",
- Py_TYPE(name)->tp_name);
- return -1;
- }
- Py_INCREF(name);
-
- PyUnicode_InternInPlace(&name);
- if (tp->tp_setattro != NULL) {
- err = (*tp->tp_setattro)(v, name, value);
- Py_DECREF(name);
- return err;
- }
- if (tp->tp_setattr != NULL) {
- const char *name_str = PyUnicode_AsUTF8(name);
- if (name_str == NULL) {
- Py_DECREF(name);
- return -1;
- }
- err = (*tp->tp_setattr)(v, (char *)name_str, value);
- Py_DECREF(name);
- return err;
- }
- Py_DECREF(name);
- _PyObject_ASSERT(name, Py_REFCNT(name) >= 1);
- if (tp->tp_getattr == NULL && tp->tp_getattro == NULL)
- PyErr_Format(PyExc_TypeError,
- "'%.100s' object has no attributes "
- "(%s .%U)",
- tp->tp_name,
- value==NULL ? "del" : "assign to",
- name);
- else
- PyErr_Format(PyExc_TypeError,
- "'%.100s' object has only read-only attributes "
- "(%s .%U)",
- tp->tp_name,
- value==NULL ? "del" : "assign to",
- name);
- return -1;
-}
-
-/* Helper to get a pointer to an object's __dict__ slot, if any */
-
-PyObject **
-_PyObject_GetDictPtr(PyObject *obj)
-{
- Py_ssize_t dictoffset;
- PyTypeObject *tp = Py_TYPE(obj);
-
- dictoffset = tp->tp_dictoffset;
- if (dictoffset == 0)
- return NULL;
- if (dictoffset < 0) {
- Py_ssize_t tsize = Py_SIZE(obj);
- if (tsize < 0) {
- tsize = -tsize;
- }
- size_t size = _PyObject_VAR_SIZE(tp, tsize);
-
- dictoffset += (long)size;
- _PyObject_ASSERT(obj, dictoffset > 0);
- _PyObject_ASSERT(obj, dictoffset % SIZEOF_VOID_P == 0);
- }
- return (PyObject **) ((char *)obj + dictoffset);
-}
-
-PyObject *
-PyObject_SelfIter(PyObject *obj)
-{
- Py_INCREF(obj);
- return obj;
-}
-
-/* Helper used when the __next__ method is removed from a type:
- tp_iternext is never NULL and can be safely called without checking
- on every iteration.
- */
-
-PyObject *
-_PyObject_NextNotImplemented(PyObject *self)
-{
- PyErr_Format(PyExc_TypeError,
- "'%.200s' object is not iterable",
- Py_TYPE(self)->tp_name);
- return NULL;
-}
-
-
-/* Specialized version of _PyObject_GenericGetAttrWithDict
- specifically for the LOAD_METHOD opcode.
-
- Return 1 if a method is found, 0 if it's a regular attribute
- from __dict__ or something returned by using a descriptor
- protocol.
-
- `method` will point to the resolved attribute or NULL. In the
- latter case, an error will be set.
-*/
-int
-_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method)
-{
- PyTypeObject *tp = Py_TYPE(obj);
- PyObject *descr;
- descrgetfunc f = NULL;
- PyObject **dictptr, *dict;
- PyObject *attr;
- int meth_found = 0;
-
- assert(*method == NULL);
-
- if (Py_TYPE(obj)->tp_getattro != PyObject_GenericGetAttr
- || !PyUnicode_Check(name)) {
- *method = PyObject_GetAttr(obj, name);
- return 0;
- }
-
- if (tp->tp_dict == NULL && PyType_Ready(tp) < 0)
- return 0;
-
- descr = _PyType_Lookup(tp, name);
- if (descr != NULL) {
- Py_INCREF(descr);
- if (_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR)) {
- meth_found = 1;
- } else {
- f = Py_TYPE(descr)->tp_descr_get;
- if (f != NULL && PyDescr_IsData(descr)) {
- *method = f(descr, obj, (PyObject *)Py_TYPE(obj));
- Py_DECREF(descr);
- return 0;
- }
- }
- }
-
- dictptr = _PyObject_GetDictPtr(obj);
- if (dictptr != NULL && (dict = *dictptr) != NULL) {
- Py_INCREF(dict);
- attr = PyDict_GetItemWithError(dict, name);
- if (attr != NULL) {
- Py_INCREF(attr);
- *method = attr;
- Py_DECREF(dict);
- Py_XDECREF(descr);
- return 0;
- }
- else {
- Py_DECREF(dict);
- if (PyErr_Occurred()) {
- Py_XDECREF(descr);
- return 0;
- }
- }
- }
-
- if (meth_found) {
- *method = descr;
- return 1;
- }
-
- if (f != NULL) {
- *method = f(descr, obj, (PyObject *)Py_TYPE(obj));
- Py_DECREF(descr);
- return 0;
- }
-
- if (descr != NULL) {
- *method = descr;
- return 0;
- }
-
- PyErr_Format(PyExc_AttributeError,
- "'%.50s' object has no attribute '%U'",
- tp->tp_name, name);
-
- set_attribute_error_context(obj, name);
- return 0;
-}
-
-/* Generic GetAttr functions - put these in your tp_[gs]etattro slot. */
-
-PyObject *
-_PyObject_GenericGetAttrWithDict(PyObject *obj, PyObject *name,
- PyObject *dict, int suppress)
-{
- /* Make sure the logic of _PyObject_GetMethod is in sync with
- this method.
-
- When suppress=1, this function suppresses AttributeError.
- */
-
- PyTypeObject *tp = Py_TYPE(obj);
- PyObject *descr = NULL;
- PyObject *res = NULL;
- descrgetfunc f;
- Py_ssize_t dictoffset;
- PyObject **dictptr;
-
- if (!PyUnicode_Check(name)){
- PyErr_Format(PyExc_TypeError,
- "attribute name must be string, not '%.200s'",
- Py_TYPE(name)->tp_name);
- return NULL;
- }
- Py_INCREF(name);
-
- if (tp->tp_dict == NULL) {
- if (PyType_Ready(tp) < 0)
- goto done;
- }
-
- descr = _PyType_Lookup(tp, name);
-
- f = NULL;
- if (descr != NULL) {
- Py_INCREF(descr);
- f = Py_TYPE(descr)->tp_descr_get;
- if (f != NULL && PyDescr_IsData(descr)) {
- res = f(descr, obj, (PyObject *)Py_TYPE(obj));
- if (res == NULL && suppress &&
- PyErr_ExceptionMatches(PyExc_AttributeError)) {
- PyErr_Clear();
- }
- goto done;
- }
- }
-
- if (dict == NULL) {
- /* Inline _PyObject_GetDictPtr */
- dictoffset = tp->tp_dictoffset;
- if (dictoffset != 0) {
- if (dictoffset < 0) {
- Py_ssize_t tsize = Py_SIZE(obj);
- if (tsize < 0) {
- tsize = -tsize;
- }
- size_t size = _PyObject_VAR_SIZE(tp, tsize);
- _PyObject_ASSERT(obj, size <= PY_SSIZE_T_MAX);
-
- dictoffset += (Py_ssize_t)size;
- _PyObject_ASSERT(obj, dictoffset > 0);
- _PyObject_ASSERT(obj, dictoffset % SIZEOF_VOID_P == 0);
- }
- dictptr = (PyObject **) ((char *)obj + dictoffset);
- dict = *dictptr;
- }
- }
- if (dict != NULL) {
- Py_INCREF(dict);
- res = PyDict_GetItemWithError(dict, name);
- if (res != NULL) {
- Py_INCREF(res);
- Py_DECREF(dict);
- goto done;
- }
- else {
- Py_DECREF(dict);
- if (PyErr_Occurred()) {
- if (suppress && PyErr_ExceptionMatches(PyExc_AttributeError)) {
- PyErr_Clear();
- }
- else {
- goto done;
- }
- }
- }
- }
-
- if (f != NULL) {
- res = f(descr, obj, (PyObject *)Py_TYPE(obj));
- if (res == NULL && suppress &&
- PyErr_ExceptionMatches(PyExc_AttributeError)) {
- PyErr_Clear();
- }
- goto done;
- }
-
- if (descr != NULL) {
- res = descr;
- descr = NULL;
- goto done;
- }
-
- if (!suppress) {
- PyErr_Format(PyExc_AttributeError,
- "'%.50s' object has no attribute '%U'",
- tp->tp_name, name);
- }
- done:
- Py_XDECREF(descr);
- Py_DECREF(name);
- return res;
-}
-
-PyObject *
-PyObject_GenericGetAttr(PyObject *obj, PyObject *name)
-{
- return _PyObject_GenericGetAttrWithDict(obj, name, NULL, 0);
-}
-
-int
-_PyObject_GenericSetAttrWithDict(PyObject *obj, PyObject *name,
- PyObject *value, PyObject *dict)
-{
- PyTypeObject *tp = Py_TYPE(obj);
- PyObject *descr;
- descrsetfunc f;
- PyObject **dictptr;
- int res = -1;
-
- if (!PyUnicode_Check(name)){
- PyErr_Format(PyExc_TypeError,
- "attribute name must be string, not '%.200s'",
- Py_TYPE(name)->tp_name);
- return -1;
- }
-
- if (tp->tp_dict == NULL && PyType_Ready(tp) < 0)
- return -1;
-
- Py_INCREF(name);
-
- descr = _PyType_Lookup(tp, name);
-
- if (descr != NULL) {
- Py_INCREF(descr);
- f = Py_TYPE(descr)->tp_descr_set;
- if (f != NULL) {
- res = f(descr, obj, value);
- goto done;
- }
- }
-
- /* XXX [Steve Dower] These are really noisy - worth it? */
- /*if (PyType_Check(obj) || PyModule_Check(obj)) {
- if (value && PySys_Audit("object.__setattr__", "OOO", obj, name, value) < 0)
- return -1;
- if (!value && PySys_Audit("object.__delattr__", "OO", obj, name) < 0)
- return -1;
- }*/
-
- if (dict == NULL) {
- dictptr = _PyObject_GetDictPtr(obj);
- if (dictptr == NULL) {
- if (descr == NULL) {
- PyErr_Format(PyExc_AttributeError,
- "'%.100s' object has no attribute '%U'",
- tp->tp_name, name);
- }
- else {
- PyErr_Format(PyExc_AttributeError,
- "'%.50s' object attribute '%U' is read-only",
- tp->tp_name, name);
- }
- goto done;
- }
- res = _PyObjectDict_SetItem(tp, dictptr, name, value);
- }
- else {
- Py_INCREF(dict);
- if (value == NULL)
- res = PyDict_DelItem(dict, name);
- else
- res = PyDict_SetItem(dict, name, value);
- Py_DECREF(dict);
- }
- if (res < 0 && PyErr_ExceptionMatches(PyExc_KeyError))
- PyErr_SetObject(PyExc_AttributeError, name);
-
- done:
- Py_XDECREF(descr);
- Py_DECREF(name);
- return res;
-}
-
-int
-PyObject_GenericSetAttr(PyObject *obj, PyObject *name, PyObject *value)
-{
- return _PyObject_GenericSetAttrWithDict(obj, name, value, NULL);
-}
-
-int
-PyObject_GenericSetDict(PyObject *obj, PyObject *value, void *context)
-{
- PyObject **dictptr = _PyObject_GetDictPtr(obj);
- if (dictptr == NULL) {
- PyErr_SetString(PyExc_AttributeError,
- "This object has no __dict__");
- return -1;
- }
- if (value == NULL) {
- PyErr_SetString(PyExc_TypeError, "cannot delete __dict__");
- return -1;
- }
- if (!PyDict_Check(value)) {
- PyErr_Format(PyExc_TypeError,
- "__dict__ must be set to a dictionary, "
- "not a '%.200s'", Py_TYPE(value)->tp_name);
- return -1;
- }
- Py_INCREF(value);
- Py_XSETREF(*dictptr, value);
- return 0;
-}
-
-
-/* Test a value used as condition, e.g., in a while or if statement.
- Return -1 if an error occurred */
-
-int
-PyObject_IsTrue(PyObject *v)
-{
- Py_ssize_t res;
- if (v == Py_True)
- return 1;
- if (v == Py_False)
- return 0;
- if (v == Py_None)
- return 0;
- else if (Py_TYPE(v)->tp_as_number != NULL &&
- Py_TYPE(v)->tp_as_number->nb_bool != NULL)
- res = (*Py_TYPE(v)->tp_as_number->nb_bool)(v);
- else if (Py_TYPE(v)->tp_as_mapping != NULL &&
- Py_TYPE(v)->tp_as_mapping->mp_length != NULL)
- res = (*Py_TYPE(v)->tp_as_mapping->mp_length)(v);
- else if (Py_TYPE(v)->tp_as_sequence != NULL &&
- Py_TYPE(v)->tp_as_sequence->sq_length != NULL)
- res = (*Py_TYPE(v)->tp_as_sequence->sq_length)(v);
- else
- return 1;
- /* if it is negative, it should be either -1 or -2 */
- return (res > 0) ? 1 : Py_SAFE_DOWNCAST(res, Py_ssize_t, int);
-}
-
-/* equivalent of 'not v'
- Return -1 if an error occurred */
-
-int
-PyObject_Not(PyObject *v)
-{
- int res;
- res = PyObject_IsTrue(v);
- if (res < 0)
- return res;
- return res == 0;
-}
-
-/* Test whether an object can be called */
-
-int
-PyCallable_Check(PyObject *x)
-{
- if (x == NULL)
- return 0;
- return Py_TYPE(x)->tp_call != NULL;
-}
-
-
-/* Helper for PyObject_Dir without arguments: returns the local scope. */
-static PyObject *
-_dir_locals(void)
-{
- PyObject *names;
- PyObject *locals;
-
- locals = PyEval_GetLocals();
- if (locals == NULL)
- return NULL;
-
- names = PyMapping_Keys(locals);
- if (!names)
- return NULL;
- if (!PyList_Check(names)) {
- PyErr_Format(PyExc_TypeError,
- "dir(): expected keys() of locals to be a list, "
- "not '%.200s'", Py_TYPE(names)->tp_name);
- Py_DECREF(names);
- return NULL;
- }
- if (PyList_Sort(names)) {
- Py_DECREF(names);
- return NULL;
- }
- /* the locals don't need to be DECREF'd */
- return names;
-}
-
-/* Helper for PyObject_Dir: object introspection. */
-static PyObject *
-_dir_object(PyObject *obj)
-{
- PyObject *result, *sorted;
- PyObject *dirfunc = _PyObject_LookupSpecial(obj, &PyId___dir__);
-
- assert(obj != NULL);
- if (dirfunc == NULL) {
- if (!PyErr_Occurred())
- PyErr_SetString(PyExc_TypeError, "object does not provide __dir__");
- return NULL;
- }
- /* use __dir__ */
- result = _PyObject_CallNoArg(dirfunc);
- Py_DECREF(dirfunc);
- if (result == NULL)
- return NULL;
- /* return sorted(result) */
- sorted = PySequence_List(result);
- Py_DECREF(result);
- if (sorted == NULL)
- return NULL;
- if (PyList_Sort(sorted)) {
- Py_DECREF(sorted);
- return NULL;
- }
- return sorted;
-}
-
-/* Implementation of dir() -- if obj is NULL, returns the names in the current
- (local) scope. Otherwise, performs introspection of the object: returns a
- sorted list of attribute names (supposedly) accessible from the object
-*/
-PyObject *
-PyObject_Dir(PyObject *obj)
-{
- return (obj == NULL) ? _dir_locals() : _dir_object(obj);
-}
-
-/*
-None is a non-NULL undefined value.
-There is (and should be!) no way to create other objects of this type,
-so there is exactly one (which is indestructible, by the way).
-*/
-
-/* ARGSUSED */
-static PyObject *
-none_repr(PyObject *op)
-{
- return PyUnicode_FromString("None");
-}
-
-/* ARGUSED */
-static void _Py_NO_RETURN
-none_dealloc(PyObject* ignore)
-{
- /* This should never get called, but we also don't want to SEGV if
- * we accidentally decref None out of existence.
- */
- Py_FatalError("deallocating None");
-}
-
-static PyObject *
-none_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
-{
- if (PyTuple_GET_SIZE(args) || (kwargs && PyDict_GET_SIZE(kwargs))) {
- PyErr_SetString(PyExc_TypeError, "NoneType takes no arguments");
- return NULL;
- }
- Py_RETURN_NONE;
-}
-
-static int
-none_bool(PyObject *v)
-{
- return 0;
-}
-
-static PyNumberMethods none_as_number = {
- 0, /* nb_add */
- 0, /* nb_subtract */
- 0, /* nb_multiply */
- 0, /* nb_remainder */
- 0, /* nb_divmod */
- 0, /* nb_power */
- 0, /* nb_negative */
- 0, /* nb_positive */
- 0, /* nb_absolute */
- (inquiry)none_bool, /* nb_bool */
- 0, /* nb_invert */
- 0, /* nb_lshift */
- 0, /* nb_rshift */
- 0, /* nb_and */
- 0, /* nb_xor */
- 0, /* nb_or */
- 0, /* nb_int */
- 0, /* nb_reserved */
- 0, /* nb_float */
- 0, /* nb_inplace_add */
- 0, /* nb_inplace_subtract */
- 0, /* nb_inplace_multiply */
- 0, /* nb_inplace_remainder */
- 0, /* nb_inplace_power */
- 0, /* nb_inplace_lshift */
- 0, /* nb_inplace_rshift */
- 0, /* nb_inplace_and */
- 0, /* nb_inplace_xor */
- 0, /* nb_inplace_or */
- 0, /* nb_floor_divide */
- 0, /* nb_true_divide */
- 0, /* nb_inplace_floor_divide */
- 0, /* nb_inplace_true_divide */
- 0, /* nb_index */
-};
-
-PyTypeObject _PyNone_Type = {
- PyVarObject_HEAD_INIT(&PyType_Type, 0)
- "NoneType",
- 0,
- 0,
- none_dealloc, /*tp_dealloc*/ /*never called*/
- 0, /*tp_vectorcall_offset*/
- 0, /*tp_getattr*/
- 0, /*tp_setattr*/
- 0, /*tp_as_async*/
- none_repr, /*tp_repr*/
- &none_as_number, /*tp_as_number*/
- 0, /*tp_as_sequence*/
- 0, /*tp_as_mapping*/
- 0, /*tp_hash */
- 0, /*tp_call */
- 0, /*tp_str */
- 0, /*tp_getattro */
- 0, /*tp_setattro */
- 0, /*tp_as_buffer */
- Py_TPFLAGS_DEFAULT, /*tp_flags */
- 0, /*tp_doc */
- 0, /*tp_traverse */
- 0, /*tp_clear */
- 0, /*tp_richcompare */
- 0, /*tp_weaklistoffset */
- 0, /*tp_iter */
- 0, /*tp_iternext */
- 0, /*tp_methods */
- 0, /*tp_members */
- 0, /*tp_getset */
- 0, /*tp_base */
- 0, /*tp_dict */
- 0, /*tp_descr_get */
- 0, /*tp_descr_set */
- 0, /*tp_dictoffset */
- 0, /*tp_init */
- 0, /*tp_alloc */
- none_new, /*tp_new */
-};
-
-PyObject _Py_NoneStruct = {
- _PyObject_EXTRA_INIT
- 1, &_PyNone_Type
-};
-
-/* NotImplemented is an object that can be used to signal that an
- operation is not implemented for the given type combination. */
-
-static PyObject *
-NotImplemented_repr(PyObject *op)
-{
- return PyUnicode_FromString("NotImplemented");
-}
-
-static PyObject *
-NotImplemented_reduce(PyObject *op, PyObject *Py_UNUSED(ignored))
-{
- return PyUnicode_FromString("NotImplemented");
-}
-
-static PyMethodDef notimplemented_methods[] = {
- {"__reduce__", NotImplemented_reduce, METH_NOARGS, NULL},
- {NULL, NULL}
-};
-
-static PyObject *
-notimplemented_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
-{
- if (PyTuple_GET_SIZE(args) || (kwargs && PyDict_GET_SIZE(kwargs))) {
- PyErr_SetString(PyExc_TypeError, "NotImplementedType takes no arguments");
- return NULL;
- }
- Py_RETURN_NOTIMPLEMENTED;
-}
-
-static void _Py_NO_RETURN
-notimplemented_dealloc(PyObject* ignore)
-{
- /* This should never get called, but we also don't want to SEGV if
- * we accidentally decref NotImplemented out of existence.
- */
- Py_FatalError("deallocating NotImplemented");
-}
-
-static int
-notimplemented_bool(PyObject *v)
-{
- if (PyErr_WarnEx(PyExc_DeprecationWarning,
- "NotImplemented should not be used in a boolean context",
- 1) < 0)
- {
- return -1;
- }
- return 1;
-}
-
-static PyNumberMethods notimplemented_as_number = {
- .nb_bool = notimplemented_bool,
-};
-
-PyTypeObject _PyNotImplemented_Type = {
- PyVarObject_HEAD_INIT(&PyType_Type, 0)
- "NotImplementedType",
- 0,
- 0,
- notimplemented_dealloc, /*tp_dealloc*/ /*never called*/
- 0, /*tp_vectorcall_offset*/
- 0, /*tp_getattr*/
- 0, /*tp_setattr*/
- 0, /*tp_as_async*/
- NotImplemented_repr, /*tp_repr*/
- &notimplemented_as_number, /*tp_as_number*/
- 0, /*tp_as_sequence*/
- 0, /*tp_as_mapping*/
- 0, /*tp_hash */
- 0, /*tp_call */
- 0, /*tp_str */
- 0, /*tp_getattro */
- 0, /*tp_setattro */
- 0, /*tp_as_buffer */
- Py_TPFLAGS_DEFAULT, /*tp_flags */
- 0, /*tp_doc */
- 0, /*tp_traverse */
- 0, /*tp_clear */
- 0, /*tp_richcompare */
- 0, /*tp_weaklistoffset */
- 0, /*tp_iter */
- 0, /*tp_iternext */
- notimplemented_methods, /*tp_methods */
- 0, /*tp_members */
- 0, /*tp_getset */
- 0, /*tp_base */
- 0, /*tp_dict */
- 0, /*tp_descr_get */
- 0, /*tp_descr_set */
- 0, /*tp_dictoffset */
- 0, /*tp_init */
- 0, /*tp_alloc */
- notimplemented_new, /*tp_new */
-};
-
-PyObject _Py_NotImplementedStruct = {
- _PyObject_EXTRA_INIT
- 1, &_PyNotImplemented_Type
-};
-
-PyStatus
-_PyTypes_Init(void)
-{
- PyStatus status = _PyTypes_InitSlotDefs();
- if (_PyStatus_EXCEPTION(status)) {
- return status;
- }
-
-#define INIT_TYPE(TYPE) \
- do { \
- if (PyType_Ready(&(TYPE)) < 0) { \
- return _PyStatus_ERR("Can't initialize " #TYPE " type"); \
- } \
- } while (0)
-
- // Base types
- INIT_TYPE(PyBaseObject_Type);
- INIT_TYPE(PyType_Type);
- assert(PyBaseObject_Type.tp_base == NULL);
- assert(PyType_Type.tp_base == &PyBaseObject_Type);
-
- // All other static types
- INIT_TYPE(PyAsyncGen_Type);
- INIT_TYPE(PyBool_Type);
- INIT_TYPE(PyByteArrayIter_Type);
- INIT_TYPE(PyByteArray_Type);
- INIT_TYPE(PyBytesIter_Type);
- INIT_TYPE(PyBytes_Type);
- INIT_TYPE(PyCFunction_Type);
- INIT_TYPE(PyCMethod_Type);
- INIT_TYPE(PyCallIter_Type);
- INIT_TYPE(PyCapsule_Type);
- INIT_TYPE(PyCell_Type);
- INIT_TYPE(PyClassMethodDescr_Type);
- INIT_TYPE(PyClassMethod_Type);
- INIT_TYPE(PyCode_Type);
- INIT_TYPE(PyComplex_Type);
- INIT_TYPE(PyCoro_Type);
- INIT_TYPE(PyDictItems_Type);
- INIT_TYPE(PyDictIterItem_Type);
- INIT_TYPE(PyDictIterKey_Type);
- INIT_TYPE(PyDictIterValue_Type);
- INIT_TYPE(PyDictKeys_Type);
- INIT_TYPE(PyDictProxy_Type);
- INIT_TYPE(PyDictRevIterItem_Type);
- INIT_TYPE(PyDictRevIterKey_Type);
- INIT_TYPE(PyDictRevIterValue_Type);
- INIT_TYPE(PyDictValues_Type);
- INIT_TYPE(PyDict_Type);
- INIT_TYPE(PyEllipsis_Type);
- INIT_TYPE(PyEnum_Type);
- INIT_TYPE(PyFloat_Type);
- INIT_TYPE(PyFrame_Type);
- INIT_TYPE(PyFrozenSet_Type);
- INIT_TYPE(PyFunction_Type);
- INIT_TYPE(PyGen_Type);
- INIT_TYPE(PyGetSetDescr_Type);
- INIT_TYPE(PyInstanceMethod_Type);
- INIT_TYPE(PyListIter_Type);
- INIT_TYPE(PyListRevIter_Type);
- INIT_TYPE(PyList_Type);
- INIT_TYPE(PyLongRangeIter_Type);
- INIT_TYPE(PyLong_Type);
- INIT_TYPE(PyMemberDescr_Type);
- INIT_TYPE(PyMemoryView_Type);
- INIT_TYPE(PyMethodDescr_Type);
- INIT_TYPE(PyMethod_Type);
- INIT_TYPE(PyModuleDef_Type);
- INIT_TYPE(PyModule_Type);
- INIT_TYPE(PyODictItems_Type);
- INIT_TYPE(PyODictIter_Type);
- INIT_TYPE(PyODictKeys_Type);
- INIT_TYPE(PyODictValues_Type);
- INIT_TYPE(PyODict_Type);
- INIT_TYPE(PyPickleBuffer_Type);
- INIT_TYPE(PyProperty_Type);
- INIT_TYPE(PyRangeIter_Type);
- INIT_TYPE(PyRange_Type);
- INIT_TYPE(PyReversed_Type);
- INIT_TYPE(PySTEntry_Type);
- INIT_TYPE(PySeqIter_Type);
- INIT_TYPE(PySetIter_Type);
- INIT_TYPE(PySet_Type);
- INIT_TYPE(PySlice_Type);
- INIT_TYPE(PyStaticMethod_Type);
- INIT_TYPE(PyStdPrinter_Type);
- INIT_TYPE(PySuper_Type);
- INIT_TYPE(PyTraceBack_Type);
- INIT_TYPE(PyTupleIter_Type);
- INIT_TYPE(PyTuple_Type);
- INIT_TYPE(PyUnicodeIter_Type);
- INIT_TYPE(PyUnicode_Type);
- INIT_TYPE(PyWrapperDescr_Type);
- INIT_TYPE(Py_GenericAliasType);
- INIT_TYPE(_PyAnextAwaitable_Type);
- INIT_TYPE(_PyAsyncGenASend_Type);
- INIT_TYPE(_PyAsyncGenAThrow_Type);
- INIT_TYPE(_PyAsyncGenWrappedValue_Type);
- INIT_TYPE(_PyCoroWrapper_Type);
- INIT_TYPE(_PyInterpreterID_Type);
- INIT_TYPE(_PyManagedBuffer_Type);
- INIT_TYPE(_PyMethodWrapper_Type);
- INIT_TYPE(_PyNamespace_Type);
- INIT_TYPE(_PyNone_Type);
- INIT_TYPE(_PyNotImplemented_Type);
- INIT_TYPE(_PyWeakref_CallableProxyType);
- INIT_TYPE(_PyWeakref_ProxyType);
- INIT_TYPE(_PyWeakref_RefType);
- INIT_TYPE(_PyUnion_Type);
-
- return _PyStatus_OK();
-#undef INIT_TYPE
-}
-
-
-void
-_Py_NewReference(PyObject *op)
-{
- if (_Py_tracemalloc_config.tracing) {
- _PyTraceMalloc_NewReference(op);
- }
-#ifdef Py_REF_DEBUG
- _Py_RefTotal++;
-#endif
- Py_SET_REFCNT(op, 1);
-#ifdef Py_TRACE_REFS
- _Py_AddToAllObjects(op, 1);
-#endif
-}
-
-
-#ifdef Py_TRACE_REFS
-void
-_Py_ForgetReference(PyObject *op)
-{
- if (Py_REFCNT(op) < 0) {
- _PyObject_ASSERT_FAILED_MSG(op, "negative refcnt");
- }
-
- if (op == &refchain ||
- op->_ob_prev->_ob_next != op || op->_ob_next->_ob_prev != op)
- {
- _PyObject_ASSERT_FAILED_MSG(op, "invalid object chain");
- }
-
-#ifdef SLOW_UNREF_CHECK
- PyObject *p;
- for (p = refchain._ob_next; p != &refchain; p = p->_ob_next) {
- if (p == op) {
- break;
- }
- }
- if (p == &refchain) {
- /* Not found */
- _PyObject_ASSERT_FAILED_MSG(op,
- "object not found in the objects list");
- }
-#endif
-
- op->_ob_next->_ob_prev = op->_ob_prev;
- op->_ob_prev->_ob_next = op->_ob_next;
- op->_ob_next = op->_ob_prev = NULL;
-}
-
-/* Print all live objects. Because PyObject_Print is called, the
- * interpreter must be in a healthy state.
- */
-void
-_Py_PrintReferences(FILE *fp)
-{
- PyObject *op;
- fprintf(fp, "Remaining objects:\n");
- for (op = refchain._ob_next; op != &refchain; op = op->_ob_next) {
- fprintf(fp, "%p [%zd] ", (void *)op, Py_REFCNT(op));
- if (PyObject_Print(op, fp, 0) != 0) {
- PyErr_Clear();
- }
- putc('\n', fp);
- }
-}
-
-/* Print the addresses of all live objects. Unlike _Py_PrintReferences, this
- * doesn't make any calls to the Python C API, so is always safe to call.
- */
-void
-_Py_PrintReferenceAddresses(FILE *fp)
-{
- PyObject *op;
- fprintf(fp, "Remaining object addresses:\n");
- for (op = refchain._ob_next; op != &refchain; op = op->_ob_next)
- fprintf(fp, "%p [%zd] %s\n", (void *)op,
- Py_REFCNT(op), Py_TYPE(op)->tp_name);
-}
-
-PyObject *
-_Py_GetObjects(PyObject *self, PyObject *args)
-{
- int i, n;
- PyObject *t = NULL;
- PyObject *res, *op;
-
- if (!PyArg_ParseTuple(args, "i|O", &n, &t))
- return NULL;
- op = refchain._ob_next;
- res = PyList_New(0);
- if (res == NULL)
- return NULL;
- for (i = 0; (n == 0 || i < n) && op != &refchain; i++) {
- while (op == self || op == args || op == res || op == t ||
- (t != NULL && !Py_IS_TYPE(op, (PyTypeObject *) t))) {
- op = op->_ob_next;
- if (op == &refchain)
- return res;
- }
- if (PyList_Append(res, op) < 0) {
- Py_DECREF(res);
- return NULL;
- }
- op = op->_ob_next;
- }
- return res;
-}
-
-#endif
-
-
-/* Hack to force loading of abstract.o */
-Py_ssize_t (*_Py_abstract_hack)(PyObject *) = PyObject_Size;
-
-
-void
-_PyObject_DebugTypeStats(FILE *out)
-{
- _PyDict_DebugMallocStats(out);
- _PyFloat_DebugMallocStats(out);
- _PyFrame_DebugMallocStats(out);
- _PyList_DebugMallocStats(out);
- _PyTuple_DebugMallocStats(out);
-}
-
-/* These methods are used to control infinite recursion in repr, str, print,
- etc. Container objects that may recursively contain themselves,
- e.g. builtin dictionaries and lists, should use Py_ReprEnter() and
- Py_ReprLeave() to avoid infinite recursion.
-
- Py_ReprEnter() returns 0 the first time it is called for a particular
- object and 1 every time thereafter. It returns -1 if an exception
- occurred. Py_ReprLeave() has no return value.
-
- See dictobject.c and listobject.c for examples of use.
-*/
-
-int
-Py_ReprEnter(PyObject *obj)
-{
- PyObject *dict;
- PyObject *list;
- Py_ssize_t i;
-
- dict = PyThreadState_GetDict();
- /* Ignore a missing thread-state, so that this function can be called
- early on startup. */
- if (dict == NULL)
- return 0;
- list = _PyDict_GetItemIdWithError(dict, &PyId_Py_Repr);
- if (list == NULL) {
- if (PyErr_Occurred()) {
- return -1;
- }
- list = PyList_New(0);
- if (list == NULL)
- return -1;
- if (_PyDict_SetItemId(dict, &PyId_Py_Repr, list) < 0)
- return -1;
- Py_DECREF(list);
- }
- i = PyList_GET_SIZE(list);
- while (--i >= 0) {
- if (PyList_GET_ITEM(list, i) == obj)
- return 1;
- }
- if (PyList_Append(list, obj) < 0)
- return -1;
- return 0;
-}
-
-void
-Py_ReprLeave(PyObject *obj)
-{
- PyObject *dict;
- PyObject *list;
- Py_ssize_t i;
- PyObject *error_type, *error_value, *error_traceback;
-
- PyErr_Fetch(&error_type, &error_value, &error_traceback);
-
- dict = PyThreadState_GetDict();
- if (dict == NULL)
- goto finally;
-
- list = _PyDict_GetItemIdWithError(dict, &PyId_Py_Repr);
- if (list == NULL || !PyList_Check(list))
- goto finally;
-
- i = PyList_GET_SIZE(list);
- /* Count backwards because we always expect obj to be list[-1] */
- while (--i >= 0) {
- if (PyList_GET_ITEM(list, i) == obj) {
- PyList_SetSlice(list, i, i + 1, NULL);
- break;
- }
- }
-
-finally:
- /* ignore exceptions because there is no way to report them. */
- PyErr_Restore(error_type, error_value, error_traceback);
-}
-
-/* Trashcan support. */
-
-/* Add op to the _PyTrash_delete_later list. Called when the current
- * call-stack depth gets large. op must be a currently untracked gc'ed
- * object, with refcount 0. Py_DECREF must already have been called on it.
- */
-void
-_PyTrash_deposit_object(PyObject *op)
-{
- PyInterpreterState *interp = _PyInterpreterState_GET();
- struct _gc_runtime_state *gcstate = &interp->gc;
-
- _PyObject_ASSERT(op, _PyObject_IS_GC(op));
- _PyObject_ASSERT(op, !_PyObject_GC_IS_TRACKED(op));
- _PyObject_ASSERT(op, Py_REFCNT(op) == 0);
- _PyGCHead_SET_PREV(_Py_AS_GC(op), gcstate->trash_delete_later);
- gcstate->trash_delete_later = op;
-}
-
-/* The equivalent API, using per-thread state recursion info */
-void
-_PyTrash_thread_deposit_object(PyObject *op)
-{
- PyThreadState *tstate = _PyThreadState_GET();
- _PyObject_ASSERT(op, _PyObject_IS_GC(op));
- _PyObject_ASSERT(op, !_PyObject_GC_IS_TRACKED(op));
- _PyObject_ASSERT(op, Py_REFCNT(op) == 0);
- _PyGCHead_SET_PREV(_Py_AS_GC(op), tstate->trash_delete_later);
- tstate->trash_delete_later = op;
-}
-
-/* Deallocate all the objects in the _PyTrash_delete_later list. Called when
- * the call-stack unwinds again.
- */
-void
-_PyTrash_destroy_chain(void)
-{
- PyInterpreterState *interp = _PyInterpreterState_GET();
- struct _gc_runtime_state *gcstate = &interp->gc;
-
- while (gcstate->trash_delete_later) {
- PyObject *op = gcstate->trash_delete_later;
- destructor dealloc = Py_TYPE(op)->tp_dealloc;
-
- gcstate->trash_delete_later =
- (PyObject*) _PyGCHead_PREV(_Py_AS_GC(op));
-
- /* Call the deallocator directly. This used to try to
- * fool Py_DECREF into calling it indirectly, but
- * Py_DECREF was already called on this object, and in
- * assorted non-release builds calling Py_DECREF again ends
- * up distorting allocation statistics.
- */
- _PyObject_ASSERT(op, Py_REFCNT(op) == 0);
- ++gcstate->trash_delete_nesting;
- (*dealloc)(op);
- --gcstate->trash_delete_nesting;
- }
-}
-
-/* The equivalent API, using per-thread state recursion info */
-void
-_PyTrash_thread_destroy_chain(void)
-{
- PyThreadState *tstate = _PyThreadState_GET();
- /* We need to increase trash_delete_nesting here, otherwise,
- _PyTrash_thread_destroy_chain will be called recursively
- and then possibly crash. An example that may crash without
- increase:
- N = 500000 # need to be large enough
- ob = object()
- tups = [(ob,) for i in range(N)]
- for i in range(49):
- tups = [(tup,) for tup in tups]
- del tups
- */
- assert(tstate->trash_delete_nesting == 0);
- ++tstate->trash_delete_nesting;
- while (tstate->trash_delete_later) {
- PyObject *op = tstate->trash_delete_later;
- destructor dealloc = Py_TYPE(op)->tp_dealloc;
-
- tstate->trash_delete_later =
- (PyObject*) _PyGCHead_PREV(_Py_AS_GC(op));
-
- /* Call the deallocator directly. This used to try to
- * fool Py_DECREF into calling it indirectly, but
- * Py_DECREF was already called on this object, and in
- * assorted non-release builds calling Py_DECREF again ends
- * up distorting allocation statistics.
- */
- _PyObject_ASSERT(op, Py_REFCNT(op) == 0);
- (*dealloc)(op);
- assert(tstate->trash_delete_nesting == 1);
- }
- --tstate->trash_delete_nesting;
-}
-
-
-int
-_PyTrash_begin(PyThreadState *tstate, PyObject *op)
-{
- if (tstate->trash_delete_nesting >= PyTrash_UNWIND_LEVEL) {
- /* Store the object (to be deallocated later) and jump past
- * Py_TRASHCAN_END, skipping the body of the deallocator */
- _PyTrash_thread_deposit_object(op);
- return 1;
- }
- ++tstate->trash_delete_nesting;
- return 0;
-}
-
-
-void
-_PyTrash_end(PyThreadState *tstate)
-{
- --tstate->trash_delete_nesting;
- if (tstate->trash_delete_later && tstate->trash_delete_nesting <= 0) {
- _PyTrash_thread_destroy_chain();
- }
-}
-
-
-/* bpo-40170: It's only be used in Py_TRASHCAN_BEGIN macro to hide
- implementation details. */
-int
-_PyTrash_cond(PyObject *op, destructor dealloc)
-{
- return Py_TYPE(op)->tp_dealloc == dealloc;
-}
-
-
-void _Py_NO_RETURN
-_PyObject_AssertFailed(PyObject *obj, const char *expr, const char *msg,
- const char *file, int line, const char *function)
-{
- fprintf(stderr, "%s:%d: ", file, line);
- if (function) {
- fprintf(stderr, "%s: ", function);
- }
- fflush(stderr);
-
- if (expr) {
- fprintf(stderr, "Assertion \"%s\" failed", expr);
- }
- else {
- fprintf(stderr, "Assertion failed");
- }
- fflush(stderr);
-
- if (msg) {
- fprintf(stderr, ": %s", msg);
- }
- fprintf(stderr, "\n");
- fflush(stderr);
-
- if (_PyObject_IsFreed(obj)) {
- /* It seems like the object memory has been freed:
- don't access it to prevent a segmentation fault. */
- fprintf(stderr, "<object at %p is freed>\n", obj);
- fflush(stderr);
- }
- else {
- /* Display the traceback where the object has been allocated.
- Do it before dumping repr(obj), since repr() is more likely
- to crash than dumping the traceback. */
- void *ptr;
- PyTypeObject *type = Py_TYPE(obj);
- if (_PyType_IS_GC(type)) {
- ptr = (void *)((char *)obj - sizeof(PyGC_Head));
- }
- else {
- ptr = (void *)obj;
- }
- _PyMem_DumpTraceback(fileno(stderr), ptr);
-
- /* This might succeed or fail, but we're about to abort, so at least
- try to provide any extra info we can: */
- _PyObject_Dump(obj);
-
- fprintf(stderr, "\n");
- fflush(stderr);
- }
-
- Py_FatalError("_PyObject_AssertFailed");
-}
-
-
-void
-_Py_Dealloc(PyObject *op)
-{
- destructor dealloc = Py_TYPE(op)->tp_dealloc;
-#ifdef Py_TRACE_REFS
- _Py_ForgetReference(op);
-#endif
- (*dealloc)(op);
-}
-
-
-PyObject **
-PyObject_GET_WEAKREFS_LISTPTR(PyObject *op)
-{
- return _PyObject_GET_WEAKREFS_LISTPTR(op);
-}
-
-
-#undef Py_NewRef
-#undef Py_XNewRef
-
-// Export Py_NewRef() and Py_XNewRef() as regular functions for the stable ABI.
-PyObject*
-Py_NewRef(PyObject *obj)
-{
- return _Py_NewRef(obj);
-}
-
-PyObject*
-Py_XNewRef(PyObject *obj)
-{
- return _Py_XNewRef(obj);
-}
-
-#undef Py_Is
-#undef Py_IsNone
-#undef Py_IsTrue
-#undef Py_IsFalse
-
-// Export Py_Is(), Py_IsNone(), Py_IsTrue(), Py_IsFalse() as regular functions
-// for the stable ABI.
-int Py_Is(PyObject *x, PyObject *y)
-{
- return (x == y);
-}
-
-int Py_IsNone(PyObject *x)
-{
- return Py_Is(x, Py_None);
-}
-
-int Py_IsTrue(PyObject *x)
-{
- return Py_Is(x, Py_True);
-}
-
-int Py_IsFalse(PyObject *x)
-{
- return Py_Is(x, Py_False);
-}
-
-#ifdef __cplusplus
-}
-#endif