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-rw-r--r--Objects/call.c1368
1 files changed, 0 insertions, 1368 deletions
diff --git a/Objects/call.c b/Objects/call.c
deleted file mode 100644
index bc32090938..0000000000
--- a/Objects/call.c
+++ /dev/null
@@ -1,1368 +0,0 @@
-#include "Python.h"
-#include "frameobject.h"
-
-
-static PyObject *
-null_error(void)
-{
- if (!PyErr_Occurred())
- PyErr_SetString(PyExc_SystemError,
- "null argument to internal routine");
- return NULL;
-}
-
-
-PyObject*
-_Py_CheckFunctionResult(PyObject *callable, PyObject *result, const char *where)
-{
- int err_occurred = (PyErr_Occurred() != NULL);
-
- assert((callable != NULL) ^ (where != NULL));
-
- if (result == NULL) {
- if (!err_occurred) {
- if (callable)
- PyErr_Format(PyExc_SystemError,
- "%R returned NULL without setting an error",
- callable);
- else
- PyErr_Format(PyExc_SystemError,
- "%s returned NULL without setting an error",
- where);
-#ifdef Py_DEBUG
- /* Ensure that the bug is caught in debug mode */
- Py_FatalError("a function returned NULL without setting an error");
-#endif
- return NULL;
- }
- }
- else {
- if (err_occurred) {
- Py_DECREF(result);
-
- if (callable) {
- _PyErr_FormatFromCause(PyExc_SystemError,
- "%R returned a result with an error set",
- callable);
- }
- else {
- _PyErr_FormatFromCause(PyExc_SystemError,
- "%s returned a result with an error set",
- where);
- }
-#ifdef Py_DEBUG
- /* Ensure that the bug is caught in debug mode */
- Py_FatalError("a function returned a result with an error set");
-#endif
- return NULL;
- }
- }
- return result;
-}
-
-
-/* --- Core PyObject call functions ------------------------------- */
-
-PyObject *
-_PyObject_FastCallDict(PyObject *callable, PyObject **args, Py_ssize_t nargs,
- PyObject *kwargs)
-{
- /* _PyObject_FastCallDict() 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());
-
- assert(callable != NULL);
- assert(nargs >= 0);
- assert(nargs == 0 || args != NULL);
- assert(kwargs == NULL || PyDict_Check(kwargs));
-
- if (PyFunction_Check(callable)) {
- return _PyFunction_FastCallDict(callable, args, nargs, kwargs);
- }
- else if (PyCFunction_Check(callable)) {
- return _PyCFunction_FastCallDict(callable, args, nargs, kwargs);
- }
- else {
- PyObject *argstuple, *result;
- ternaryfunc call;
-
- /* Slow-path: build a temporary tuple */
- call = callable->ob_type->tp_call;
- if (call == NULL) {
- PyErr_Format(PyExc_TypeError, "'%.200s' object is not callable",
- callable->ob_type->tp_name);
- return NULL;
- }
-
- argstuple = _PyStack_AsTuple(args, nargs);
- if (argstuple == NULL) {
- return NULL;
- }
-
- if (Py_EnterRecursiveCall(" while calling a Python object")) {
- Py_DECREF(argstuple);
- return NULL;
- }
-
- result = (*call)(callable, argstuple, kwargs);
-
- Py_LeaveRecursiveCall();
- Py_DECREF(argstuple);
-
- result = _Py_CheckFunctionResult(callable, result, NULL);
- return result;
- }
-}
-
-
-PyObject *
-_PyObject_FastCallKeywords(PyObject *callable, PyObject **stack, Py_ssize_t nargs,
- PyObject *kwnames)
-{
- /* _PyObject_FastCallKeywords() 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());
-
- assert(nargs >= 0);
- assert(kwnames == NULL || PyTuple_CheckExact(kwnames));
-
- /* kwnames must only contains str strings, no subclass, and all keys must
- be unique: these checks are implemented in Python/ceval.c and
- _PyArg_ParseStackAndKeywords(). */
-
- if (PyFunction_Check(callable)) {
- return _PyFunction_FastCallKeywords(callable, stack, nargs, kwnames);
- }
- if (PyCFunction_Check(callable)) {
- return _PyCFunction_FastCallKeywords(callable, stack, nargs, kwnames);
- }
- else {
- /* Slow-path: build a temporary tuple for positional arguments and a
- temporary dictionary for keyword arguments (if any) */
-
- ternaryfunc call;
- PyObject *argstuple;
- PyObject *kwdict, *result;
- Py_ssize_t nkwargs;
-
- nkwargs = (kwnames == NULL) ? 0 : PyTuple_GET_SIZE(kwnames);
- assert((nargs == 0 && nkwargs == 0) || stack != NULL);
-
- call = callable->ob_type->tp_call;
- if (call == NULL) {
- PyErr_Format(PyExc_TypeError, "'%.200s' object is not callable",
- callable->ob_type->tp_name);
- return NULL;
- }
-
- argstuple = _PyStack_AsTuple(stack, nargs);
- if (argstuple == NULL) {
- return NULL;
- }
-
- if (nkwargs > 0) {
- kwdict = _PyStack_AsDict(stack + nargs, kwnames);
- if (kwdict == NULL) {
- Py_DECREF(argstuple);
- return NULL;
- }
- }
- else {
- kwdict = NULL;
- }
-
- if (Py_EnterRecursiveCall(" while calling a Python object")) {
- Py_DECREF(argstuple);
- Py_XDECREF(kwdict);
- return NULL;
- }
-
- result = (*call)(callable, argstuple, kwdict);
-
- Py_LeaveRecursiveCall();
-
- Py_DECREF(argstuple);
- Py_XDECREF(kwdict);
-
- result = _Py_CheckFunctionResult(callable, result, NULL);
- return result;
- }
-}
-
-
-PyObject *
-PyObject_Call(PyObject *callable, PyObject *args, PyObject *kwargs)
-{
- ternaryfunc call;
- PyObject *result;
-
- /* PyObject_Call() 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());
- assert(PyTuple_Check(args));
- assert(kwargs == NULL || PyDict_Check(kwargs));
-
- if (PyFunction_Check(callable)) {
- return _PyFunction_FastCallDict(callable,
- &PyTuple_GET_ITEM(args, 0),
- PyTuple_GET_SIZE(args),
- kwargs);
- }
- else if (PyCFunction_Check(callable)) {
- return PyCFunction_Call(callable, args, kwargs);
- }
- else {
- call = callable->ob_type->tp_call;
- if (call == NULL) {
- PyErr_Format(PyExc_TypeError, "'%.200s' object is not callable",
- callable->ob_type->tp_name);
- return NULL;
- }
-
- if (Py_EnterRecursiveCall(" while calling a Python object"))
- return NULL;
-
- result = (*call)(callable, args, kwargs);
-
- Py_LeaveRecursiveCall();
-
- return _Py_CheckFunctionResult(callable, result, NULL);
- }
-}
-
-
-/* --- PyFunction call functions ---------------------------------- */
-
-static PyObject* _Py_HOT_FUNCTION
-function_code_fastcall(PyCodeObject *co, PyObject **args, Py_ssize_t nargs,
- PyObject *globals)
-{
- PyFrameObject *f;
- PyThreadState *tstate = PyThreadState_GET();
- PyObject **fastlocals;
- Py_ssize_t i;
- PyObject *result;
-
- assert(globals != NULL);
- /* XXX Perhaps we should create a specialized
- _PyFrame_New_NoTrack() that doesn't take locals, but does
- take builtins without sanity checking them.
- */
- assert(tstate != NULL);
- f = _PyFrame_New_NoTrack(tstate, co, globals, NULL);
- if (f == NULL) {
- return NULL;
- }
-
- fastlocals = f->f_localsplus;
-
- for (i = 0; i < nargs; i++) {
- Py_INCREF(*args);
- fastlocals[i] = *args++;
- }
- result = PyEval_EvalFrameEx(f,0);
-
- if (Py_REFCNT(f) > 1) {
- Py_DECREF(f);
- _PyObject_GC_TRACK(f);
- }
- else {
- ++tstate->recursion_depth;
- Py_DECREF(f);
- --tstate->recursion_depth;
- }
- return result;
-}
-
-
-PyObject *
-_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs,
- PyObject *kwargs)
-{
- PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
- PyObject *globals = PyFunction_GET_GLOBALS(func);
- PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
- PyObject *kwdefs, *closure, *name, *qualname;
- PyObject *kwtuple, **k;
- PyObject **d;
- Py_ssize_t nd, nk;
- PyObject *result;
-
- assert(func != NULL);
- assert(nargs >= 0);
- assert(nargs == 0 || args != NULL);
- assert(kwargs == NULL || PyDict_Check(kwargs));
-
- if (co->co_kwonlyargcount == 0 &&
- (kwargs == NULL || PyDict_GET_SIZE(kwargs) == 0) &&
- co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE))
- {
- /* Fast paths */
- if (argdefs == NULL && co->co_argcount == nargs) {
- return function_code_fastcall(co, args, nargs, globals);
- }
- else if (nargs == 0 && argdefs != NULL
- && co->co_argcount == Py_SIZE(argdefs)) {
- /* function called with no arguments, but all parameters have
- a default value: use default values as arguments .*/
- args = &PyTuple_GET_ITEM(argdefs, 0);
- return function_code_fastcall(co, args, Py_SIZE(argdefs), globals);
- }
- }
-
- nk = (kwargs != NULL) ? PyDict_GET_SIZE(kwargs) : 0;
- if (nk != 0) {
- Py_ssize_t pos, i;
-
- /* Issue #29318: Caller and callee functions must not share the
- dictionary: kwargs must be copied. */
- kwtuple = PyTuple_New(2 * nk);
- if (kwtuple == NULL) {
- return NULL;
- }
-
- k = &PyTuple_GET_ITEM(kwtuple, 0);
- pos = i = 0;
- while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
- /* We must hold strong references because keyword arguments can be
- indirectly modified while the function is called:
- see issue #2016 and test_extcall */
- Py_INCREF(k[i]);
- Py_INCREF(k[i+1]);
- i += 2;
- }
- nk = i / 2;
- }
- else {
- kwtuple = NULL;
- k = NULL;
- }
-
- kwdefs = PyFunction_GET_KW_DEFAULTS(func);
- closure = PyFunction_GET_CLOSURE(func);
- name = ((PyFunctionObject *)func) -> func_name;
- qualname = ((PyFunctionObject *)func) -> func_qualname;
-
- if (argdefs != NULL) {
- d = &PyTuple_GET_ITEM(argdefs, 0);
- nd = Py_SIZE(argdefs);
- }
- else {
- d = NULL;
- nd = 0;
- }
-
- result = _PyEval_EvalCodeWithName((PyObject*)co, globals, (PyObject *)NULL,
- args, nargs,
- k, k + 1, nk, 2,
- d, nd, kwdefs,
- closure, name, qualname);
- Py_XDECREF(kwtuple);
- return result;
-}
-
-PyObject *
-_PyFunction_FastCallKeywords(PyObject *func, PyObject **stack,
- Py_ssize_t nargs, PyObject *kwnames)
-{
- PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
- PyObject *globals = PyFunction_GET_GLOBALS(func);
- PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
- PyObject *kwdefs, *closure, *name, *qualname;
- PyObject **d;
- Py_ssize_t nkwargs = (kwnames == NULL) ? 0 : PyTuple_GET_SIZE(kwnames);
- Py_ssize_t nd;
-
- assert(PyFunction_Check(func));
- assert(nargs >= 0);
- assert(kwnames == NULL || PyTuple_CheckExact(kwnames));
- assert((nargs == 0 && nkwargs == 0) || stack != NULL);
- /* kwnames must only contains str strings, no subclass, and all keys must
- be unique */
-
- if (co->co_kwonlyargcount == 0 && nkwargs == 0 &&
- co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE))
- {
- if (argdefs == NULL && co->co_argcount == nargs) {
- return function_code_fastcall(co, stack, nargs, globals);
- }
- else if (nargs == 0 && argdefs != NULL
- && co->co_argcount == Py_SIZE(argdefs)) {
- /* function called with no arguments, but all parameters have
- a default value: use default values as arguments .*/
- stack = &PyTuple_GET_ITEM(argdefs, 0);
- return function_code_fastcall(co, stack, Py_SIZE(argdefs), globals);
- }
- }
-
- kwdefs = PyFunction_GET_KW_DEFAULTS(func);
- closure = PyFunction_GET_CLOSURE(func);
- name = ((PyFunctionObject *)func) -> func_name;
- qualname = ((PyFunctionObject *)func) -> func_qualname;
-
- if (argdefs != NULL) {
- d = &PyTuple_GET_ITEM(argdefs, 0);
- nd = Py_SIZE(argdefs);
- }
- else {
- d = NULL;
- nd = 0;
- }
- return _PyEval_EvalCodeWithName((PyObject*)co, globals, (PyObject *)NULL,
- stack, nargs,
- nkwargs ? &PyTuple_GET_ITEM(kwnames, 0) : NULL,
- stack + nargs,
- nkwargs, 1,
- d, (int)nd, kwdefs,
- closure, name, qualname);
-}
-
-
-/* --- PyCFunction call functions --------------------------------- */
-
-PyObject *
-_PyMethodDef_RawFastCallDict(PyMethodDef *method, PyObject *self, PyObject **args,
- Py_ssize_t nargs, PyObject *kwargs)
-{
- /* _PyMethodDef_RawFastCallDict() 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());
-
- assert(method != NULL);
- assert(nargs >= 0);
- assert(nargs == 0 || args != NULL);
- assert(kwargs == NULL || PyDict_Check(kwargs));
-
- PyCFunction meth = method->ml_meth;
- int flags = method->ml_flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST);
- PyObject *result = NULL;
-
- if (Py_EnterRecursiveCall(" while calling a Python object")) {
- return NULL;
- }
-
- switch (flags)
- {
- case METH_NOARGS:
- if (nargs != 0) {
- PyErr_Format(PyExc_TypeError,
- "%.200s() takes no arguments (%zd given)",
- method->ml_name, nargs);
- goto exit;
- }
-
- if (kwargs != NULL && PyDict_GET_SIZE(kwargs) != 0) {
- goto no_keyword_error;
- }
-
- result = (*meth) (self, NULL);
- break;
-
- case METH_O:
- if (nargs != 1) {
- PyErr_Format(PyExc_TypeError,
- "%.200s() takes exactly one argument (%zd given)",
- method->ml_name, nargs);
- goto exit;
- }
-
- if (kwargs != NULL && PyDict_GET_SIZE(kwargs) != 0) {
- goto no_keyword_error;
- }
-
- result = (*meth) (self, args[0]);
- break;
-
- case METH_VARARGS:
- if (!(flags & METH_KEYWORDS)
- && kwargs != NULL && PyDict_GET_SIZE(kwargs) != 0) {
- goto no_keyword_error;
- }
- /* fall through next case */
-
- case METH_VARARGS | METH_KEYWORDS:
- {
- /* Slow-path: create a temporary tuple for positional arguments */
- PyObject *argstuple = _PyStack_AsTuple(args, nargs);
- if (argstuple == NULL) {
- goto exit;
- }
-
- if (flags & METH_KEYWORDS) {
- result = (*(PyCFunctionWithKeywords)meth) (self, argstuple, kwargs);
- }
- else {
- result = (*meth) (self, argstuple);
- }
- Py_DECREF(argstuple);
- break;
- }
-
- case METH_FASTCALL:
- {
- PyObject **stack;
- PyObject *kwnames;
- _PyCFunctionFast fastmeth = (_PyCFunctionFast)meth;
-
- if (_PyStack_UnpackDict(args, nargs, kwargs, &stack, &kwnames) < 0) {
- goto exit;
- }
-
- result = (*fastmeth) (self, stack, nargs, kwnames);
- if (stack != args) {
- PyMem_Free(stack);
- }
- Py_XDECREF(kwnames);
- break;
- }
-
- default:
- PyErr_SetString(PyExc_SystemError,
- "Bad call flags in _PyMethodDef_RawFastCallDict. "
- "METH_OLDARGS is no longer supported!");
- goto exit;
- }
-
- goto exit;
-
-no_keyword_error:
- PyErr_Format(PyExc_TypeError,
- "%.200s() takes no keyword arguments",
- method->ml_name, nargs);
-
-exit:
- Py_LeaveRecursiveCall();
- return result;
-}
-
-
-PyObject *
-_PyCFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs,
- PyObject *kwargs)
-{
- PyObject *result;
-
- assert(func != NULL);
- assert(PyCFunction_Check(func));
-
- result = _PyMethodDef_RawFastCallDict(((PyCFunctionObject*)func)->m_ml,
- PyCFunction_GET_SELF(func),
- args, nargs, kwargs);
- result = _Py_CheckFunctionResult(func, result, NULL);
- return result;
-}
-
-
-PyObject *
-_PyMethodDef_RawFastCallKeywords(PyMethodDef *method, PyObject *self, PyObject **args,
- Py_ssize_t nargs, PyObject *kwnames)
-{
- /* _PyMethodDef_RawFastCallKeywords() 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());
-
- assert(method != NULL);
- assert(nargs >= 0);
- assert(kwnames == NULL || PyTuple_CheckExact(kwnames));
- /* kwnames must only contains str strings, no subclass, and all keys must
- be unique */
-
- PyCFunction meth = method->ml_meth;
- int flags = method->ml_flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST);
- Py_ssize_t nkwargs = kwnames == NULL ? 0 : PyTuple_Size(kwnames);
- PyObject *result = NULL;
-
- if (Py_EnterRecursiveCall(" while calling a Python object")) {
- return NULL;
- }
-
- switch (flags)
- {
- case METH_NOARGS:
- if (nargs != 0) {
- PyErr_Format(PyExc_TypeError,
- "%.200s() takes no arguments (%zd given)",
- method->ml_name, nargs);
- goto exit;
- }
-
- if (nkwargs) {
- goto no_keyword_error;
- }
-
- result = (*meth) (self, NULL);
- break;
-
- case METH_O:
- if (nargs != 1) {
- PyErr_Format(PyExc_TypeError,
- "%.200s() takes exactly one argument (%zd given)",
- method->ml_name, nargs);
- goto exit;
- }
-
- if (nkwargs) {
- goto no_keyword_error;
- }
-
- result = (*meth) (self, args[0]);
- break;
-
- case METH_FASTCALL:
- /* Fast-path: avoid temporary dict to pass keyword arguments */
- result = ((_PyCFunctionFast)meth) (self, args, nargs, kwnames);
- break;
-
- case METH_VARARGS:
- case METH_VARARGS | METH_KEYWORDS:
- {
- /* Slow-path: create a temporary tuple for positional arguments
- and a temporary dict for keyword arguments */
- PyObject *argtuple;
-
- if (!(flags & METH_KEYWORDS) && nkwargs) {
- goto no_keyword_error;
- }
-
- argtuple = _PyStack_AsTuple(args, nargs);
- if (argtuple == NULL) {
- goto exit;
- }
-
- if (flags & METH_KEYWORDS) {
- PyObject *kwdict;
-
- if (nkwargs > 0) {
- kwdict = _PyStack_AsDict(args + nargs, kwnames);
- if (kwdict == NULL) {
- Py_DECREF(argtuple);
- goto exit;
- }
- }
- else {
- kwdict = NULL;
- }
-
- result = (*(PyCFunctionWithKeywords)meth) (self, argtuple, kwdict);
- Py_XDECREF(kwdict);
- }
- else {
- result = (*meth) (self, argtuple);
- }
- Py_DECREF(argtuple);
- break;
- }
-
- default:
- PyErr_SetString(PyExc_SystemError,
- "Bad call flags in _PyCFunction_FastCallKeywords. "
- "METH_OLDARGS is no longer supported!");
- goto exit;
- }
-
- goto exit;
-
-no_keyword_error:
- PyErr_Format(PyExc_TypeError,
- "%.200s() takes no keyword arguments",
- method->ml_name);
-
-exit:
- Py_LeaveRecursiveCall();
- return result;
-}
-
-
-PyObject *
-_PyCFunction_FastCallKeywords(PyObject *func, PyObject **args,
- Py_ssize_t nargs, PyObject *kwnames)
-{
- PyObject *result;
-
- assert(func != NULL);
- assert(PyCFunction_Check(func));
-
- result = _PyMethodDef_RawFastCallKeywords(((PyCFunctionObject*)func)->m_ml,
- PyCFunction_GET_SELF(func),
- args, nargs, kwnames);
- result = _Py_CheckFunctionResult(func, result, NULL);
- return result;
-}
-
-
-static PyObject *
-cfunction_call_varargs(PyObject *func, PyObject *args, PyObject *kwargs)
-{
- assert(!PyErr_Occurred());
-
- PyCFunction meth = PyCFunction_GET_FUNCTION(func);
- PyObject *self = PyCFunction_GET_SELF(func);
- PyObject *result;
-
- if (PyCFunction_GET_FLAGS(func) & METH_KEYWORDS) {
- if (Py_EnterRecursiveCall(" while calling a Python object")) {
- return NULL;
- }
-
- result = (*(PyCFunctionWithKeywords)meth)(self, args, kwargs);
-
- Py_LeaveRecursiveCall();
- }
- else {
- if (kwargs != NULL && PyDict_Size(kwargs) != 0) {
- PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
- ((PyCFunctionObject*)func)->m_ml->ml_name);
- return NULL;
- }
-
- if (Py_EnterRecursiveCall(" while calling a Python object")) {
- return NULL;
- }
-
- result = (*meth)(self, args);
-
- Py_LeaveRecursiveCall();
- }
-
- return _Py_CheckFunctionResult(func, result, NULL);
-}
-
-
-PyObject *
-PyCFunction_Call(PyObject *func, PyObject *args, PyObject *kwargs)
-{
- /* first try METH_VARARGS to pass directly args tuple unchanged.
- _PyMethodDef_RawFastCallDict() creates a new temporary tuple
- for METH_VARARGS. */
- if (PyCFunction_GET_FLAGS(func) & METH_VARARGS) {
- return cfunction_call_varargs(func, args, kwargs);
- }
- else {
- return _PyCFunction_FastCallDict(func,
- &PyTuple_GET_ITEM(args, 0),
- PyTuple_GET_SIZE(args),
- kwargs);
- }
-}
-
-
-/* --- More complex call functions -------------------------------- */
-
-/* External interface to call any callable object.
- The args must be a tuple or NULL. The kwargs must be a dict or NULL. */
-PyObject *
-PyEval_CallObjectWithKeywords(PyObject *callable,
- PyObject *args, PyObject *kwargs)
-{
-#ifdef Py_DEBUG
- /* PyEval_CallObjectWithKeywords() must not be called with an exception
- set. It raises a new exception if parameters are invalid or if
- PyTuple_New() fails, and so the original exception is lost. */
- assert(!PyErr_Occurred());
-#endif
-
- if (args == NULL) {
- return _PyObject_FastCallDict(callable, NULL, 0, kwargs);
- }
-
- if (!PyTuple_Check(args)) {
- PyErr_SetString(PyExc_TypeError,
- "argument list must be a tuple");
- return NULL;
- }
-
- if (kwargs != NULL && !PyDict_Check(kwargs)) {
- PyErr_SetString(PyExc_TypeError,
- "keyword list must be a dictionary");
- return NULL;
- }
-
- return PyObject_Call(callable, args, kwargs);
-}
-
-
-PyObject *
-PyObject_CallObject(PyObject *callable, PyObject *args)
-{
- return PyEval_CallObjectWithKeywords(callable, args, NULL);
-}
-
-
-/* Positional arguments are obj followed by args:
- call callable(obj, *args, **kwargs) */
-PyObject *
-_PyObject_FastCall_Prepend(PyObject *callable,
- PyObject *obj, PyObject **args, Py_ssize_t nargs)
-{
- PyObject *small_stack[_PY_FASTCALL_SMALL_STACK];
- PyObject **args2;
- PyObject *result;
-
- nargs++;
- if (nargs <= (Py_ssize_t)Py_ARRAY_LENGTH(small_stack)) {
- args2 = small_stack;
- }
- else {
- args2 = PyMem_Malloc(nargs * sizeof(PyObject *));
- if (args2 == NULL) {
- PyErr_NoMemory();
- return NULL;
- }
- }
-
- /* use borrowed references */
- args2[0] = obj;
- memcpy(&args2[1],
- args,
- (nargs - 1)* sizeof(PyObject *));
-
- result = _PyObject_FastCall(callable, args2, nargs);
- if (args2 != small_stack) {
- PyMem_Free(args2);
- }
- return result;
-}
-
-
-/* Call callable(obj, *args, **kwargs). */
-PyObject *
-_PyObject_Call_Prepend(PyObject *callable,
- PyObject *obj, PyObject *args, PyObject *kwargs)
-{
- PyObject *small_stack[_PY_FASTCALL_SMALL_STACK];
- PyObject **stack;
- Py_ssize_t argcount;
- PyObject *result;
-
- assert(PyTuple_Check(args));
-
- argcount = PyTuple_GET_SIZE(args);
- if (argcount + 1 <= (Py_ssize_t)Py_ARRAY_LENGTH(small_stack)) {
- stack = small_stack;
- }
- else {
- stack = PyMem_Malloc((argcount + 1) * sizeof(PyObject *));
- if (stack == NULL) {
- PyErr_NoMemory();
- return NULL;
- }
- }
-
- /* use borrowed references */
- stack[0] = obj;
- memcpy(&stack[1],
- &PyTuple_GET_ITEM(args, 0),
- argcount * sizeof(PyObject *));
-
- result = _PyObject_FastCallDict(callable,
- stack, argcount + 1,
- kwargs);
- if (stack != small_stack) {
- PyMem_Free(stack);
- }
- return result;
-}
-
-
-/* --- Call with a format string ---------------------------------- */
-
-static PyObject *
-_PyObject_CallFunctionVa(PyObject *callable, const char *format,
- va_list va, int is_size_t)
-{
- PyObject* small_stack[_PY_FASTCALL_SMALL_STACK];
- const Py_ssize_t small_stack_len = Py_ARRAY_LENGTH(small_stack);
- PyObject **stack;
- Py_ssize_t nargs, i;
- PyObject *result;
-
- if (callable == NULL) {
- return null_error();
- }
-
- if (!format || !*format) {
- return _PyObject_CallNoArg(callable);
- }
-
- if (is_size_t) {
- stack = _Py_VaBuildStack_SizeT(small_stack, small_stack_len,
- format, va, &nargs);
- }
- else {
- stack = _Py_VaBuildStack(small_stack, small_stack_len,
- format, va, &nargs);
- }
- if (stack == NULL) {
- return NULL;
- }
-
- if (nargs == 1 && PyTuple_Check(stack[0])) {
- /* Special cases for backward compatibility:
- - PyObject_CallFunction(func, "O", tuple) calls func(*tuple)
- - PyObject_CallFunction(func, "(OOO)", arg1, arg2, arg3) calls
- func(*(arg1, arg2, arg3)): func(arg1, arg2, arg3) */
- PyObject *args = stack[0];
- result = _PyObject_FastCall(callable,
- &PyTuple_GET_ITEM(args, 0),
- PyTuple_GET_SIZE(args));
- }
- else {
- result = _PyObject_FastCall(callable, stack, nargs);
- }
-
- for (i = 0; i < nargs; ++i) {
- Py_DECREF(stack[i]);
- }
- if (stack != small_stack) {
- PyMem_Free(stack);
- }
- return result;
-}
-
-
-PyObject *
-PyObject_CallFunction(PyObject *callable, const char *format, ...)
-{
- va_list va;
- PyObject *result;
-
- va_start(va, format);
- result = _PyObject_CallFunctionVa(callable, format, va, 0);
- va_end(va);
-
- return result;
-}
-
-
-PyObject *
-PyEval_CallFunction(PyObject *callable, const char *format, ...)
-{
- va_list vargs;
- PyObject *args;
- PyObject *res;
-
- va_start(vargs, format);
-
- args = Py_VaBuildValue(format, vargs);
- va_end(vargs);
-
- if (args == NULL)
- return NULL;
-
- res = PyEval_CallObject(callable, args);
- Py_DECREF(args);
-
- return res;
-}
-
-
-PyObject *
-_PyObject_CallFunction_SizeT(PyObject *callable, const char *format, ...)
-{
- va_list va;
- PyObject *result;
-
- va_start(va, format);
- result = _PyObject_CallFunctionVa(callable, format, va, 1);
- va_end(va);
-
- return result;
-}
-
-
-static PyObject*
-callmethod(PyObject* callable, const char *format, va_list va, int is_size_t)
-{
- assert(callable != NULL);
-
- if (!PyCallable_Check(callable)) {
- PyErr_Format(PyExc_TypeError,
- "attribute of type '%.200s' is not callable",
- Py_TYPE(callable)->tp_name);
- return NULL;
- }
-
- return _PyObject_CallFunctionVa(callable, format, va, is_size_t);
-}
-
-
-PyObject *
-PyObject_CallMethod(PyObject *obj, const char *name, const char *format, ...)
-{
- va_list va;
- PyObject *callable, *retval;
-
- if (obj == NULL || name == NULL) {
- return null_error();
- }
-
- callable = PyObject_GetAttrString(obj, name);
- if (callable == NULL)
- return NULL;
-
- va_start(va, format);
- retval = callmethod(callable, format, va, 0);
- va_end(va);
-
- Py_DECREF(callable);
- return retval;
-}
-
-
-PyObject *
-PyEval_CallMethod(PyObject *obj, const char *name, const char *format, ...)
-{
- va_list vargs;
- PyObject *meth;
- PyObject *args;
- PyObject *res;
-
- meth = PyObject_GetAttrString(obj, name);
- if (meth == NULL)
- return NULL;
-
- va_start(vargs, format);
-
- args = Py_VaBuildValue(format, vargs);
- va_end(vargs);
-
- if (args == NULL) {
- Py_DECREF(meth);
- return NULL;
- }
-
- res = PyEval_CallObject(meth, args);
- Py_DECREF(meth);
- Py_DECREF(args);
-
- return res;
-}
-
-
-PyObject *
-_PyObject_CallMethodId(PyObject *obj, _Py_Identifier *name,
- const char *format, ...)
-{
- va_list va;
- PyObject *callable, *retval;
-
- if (obj == NULL || name == NULL) {
- return null_error();
- }
-
- callable = _PyObject_GetAttrId(obj, name);
- if (callable == NULL)
- return NULL;
-
- va_start(va, format);
- retval = callmethod(callable, format, va, 0);
- va_end(va);
-
- Py_DECREF(callable);
- return retval;
-}
-
-
-PyObject *
-_PyObject_CallMethod_SizeT(PyObject *obj, const char *name,
- const char *format, ...)
-{
- va_list va;
- PyObject *callable, *retval;
-
- if (obj == NULL || name == NULL) {
- return null_error();
- }
-
- callable = PyObject_GetAttrString(obj, name);
- if (callable == NULL)
- return NULL;
-
- va_start(va, format);
- retval = callmethod(callable, format, va, 1);
- va_end(va);
-
- Py_DECREF(callable);
- return retval;
-}
-
-
-PyObject *
-_PyObject_CallMethodId_SizeT(PyObject *obj, _Py_Identifier *name,
- const char *format, ...)
-{
- va_list va;
- PyObject *callable, *retval;
-
- if (obj == NULL || name == NULL) {
- return null_error();
- }
-
- callable = _PyObject_GetAttrId(obj, name);
- if (callable == NULL) {
- return NULL;
- }
-
- va_start(va, format);
- retval = callmethod(callable, format, va, 1);
- va_end(va);
-
- Py_DECREF(callable);
- return retval;
-}
-
-
-/* --- Call with "..." arguments ---------------------------------- */
-
-static PyObject *
-object_vacall(PyObject *callable, va_list vargs)
-{
- PyObject *small_stack[_PY_FASTCALL_SMALL_STACK];
- PyObject **stack;
- Py_ssize_t nargs;
- PyObject *result;
- Py_ssize_t i;
- va_list countva;
-
- if (callable == NULL) {
- return null_error();
- }
-
- /* Count the number of arguments */
- va_copy(countva, vargs);
- nargs = 0;
- while (1) {
- PyObject *arg = va_arg(countva, PyObject *);
- if (arg == NULL) {
- break;
- }
- nargs++;
- }
- va_end(countva);
-
- /* Copy arguments */
- if (nargs <= (Py_ssize_t)Py_ARRAY_LENGTH(small_stack)) {
- stack = small_stack;
- }
- else {
- stack = PyMem_Malloc(nargs * sizeof(stack[0]));
- if (stack == NULL) {
- PyErr_NoMemory();
- return NULL;
- }
- }
-
- for (i = 0; i < nargs; ++i) {
- stack[i] = va_arg(vargs, PyObject *);
- }
-
- /* Call the function */
- result = _PyObject_FastCall(callable, stack, nargs);
-
- if (stack != small_stack) {
- PyMem_Free(stack);
- }
- return result;
-}
-
-
-PyObject *
-PyObject_CallMethodObjArgs(PyObject *callable, PyObject *name, ...)
-{
- va_list vargs;
- PyObject *result;
-
- if (callable == NULL || name == NULL) {
- return null_error();
- }
-
- callable = PyObject_GetAttr(callable, name);
- if (callable == NULL) {
- return NULL;
- }
-
- va_start(vargs, name);
- result = object_vacall(callable, vargs);
- va_end(vargs);
-
- Py_DECREF(callable);
- return result;
-}
-
-
-PyObject *
-_PyObject_CallMethodIdObjArgs(PyObject *obj,
- struct _Py_Identifier *name, ...)
-{
- va_list vargs;
- PyObject *callable, *result;
-
- if (obj == NULL || name == NULL) {
- return null_error();
- }
-
- callable = _PyObject_GetAttrId(obj, name);
- if (callable == NULL) {
- return NULL;
- }
-
- va_start(vargs, name);
- result = object_vacall(callable, vargs);
- va_end(vargs);
-
- Py_DECREF(callable);
- return result;
-}
-
-
-PyObject *
-PyObject_CallFunctionObjArgs(PyObject *callable, ...)
-{
- va_list vargs;
- PyObject *result;
-
- va_start(vargs, callable);
- result = object_vacall(callable, vargs);
- va_end(vargs);
-
- return result;
-}
-
-
-/* --- PyStack functions ------------------------------------------ */
-
-/* Issue #29234: Inlining _PyStack_AsTuple() into callers increases their
- stack consumption, Disable inlining to optimize the stack consumption. */
-PyObject* _Py_NO_INLINE
-_PyStack_AsTuple(PyObject **stack, Py_ssize_t nargs)
-{
- PyObject *args;
- Py_ssize_t i;
-
- args = PyTuple_New(nargs);
- if (args == NULL) {
- return NULL;
- }
-
- for (i=0; i < nargs; i++) {
- PyObject *item = stack[i];
- Py_INCREF(item);
- PyTuple_SET_ITEM(args, i, item);
- }
- return args;
-}
-
-
-PyObject*
-_PyStack_AsTupleSlice(PyObject **stack, Py_ssize_t nargs,
- Py_ssize_t start, Py_ssize_t end)
-{
- PyObject *args;
- Py_ssize_t i;
-
- assert(0 <= start);
- assert(end <= nargs);
- assert(start <= end);
-
- args = PyTuple_New(end - start);
- if (args == NULL) {
- return NULL;
- }
-
- for (i=start; i < end; i++) {
- PyObject *item = stack[i];
- Py_INCREF(item);
- PyTuple_SET_ITEM(args, i - start, item);
- }
- return args;
-}
-
-
-PyObject *
-_PyStack_AsDict(PyObject **values, PyObject *kwnames)
-{
- Py_ssize_t nkwargs;
- PyObject *kwdict;
- Py_ssize_t i;
-
- assert(kwnames != NULL);
- nkwargs = PyTuple_GET_SIZE(kwnames);
- kwdict = _PyDict_NewPresized(nkwargs);
- if (kwdict == NULL) {
- return NULL;
- }
-
- for (i = 0; i < nkwargs; i++) {
- PyObject *key = PyTuple_GET_ITEM(kwnames, i);
- PyObject *value = *values++;
- /* If key already exists, replace it with the new value */
- if (PyDict_SetItem(kwdict, key, value)) {
- Py_DECREF(kwdict);
- return NULL;
- }
- }
- return kwdict;
-}
-
-
-int
-_PyStack_UnpackDict(PyObject **args, Py_ssize_t nargs, PyObject *kwargs,
- PyObject ***p_stack, PyObject **p_kwnames)
-{
- PyObject **stack, **kwstack;
- Py_ssize_t nkwargs;
- Py_ssize_t pos, i;
- PyObject *key, *value;
- PyObject *kwnames;
-
- assert(nargs >= 0);
- assert(kwargs == NULL || PyDict_CheckExact(kwargs));
-
- if (kwargs == NULL || (nkwargs = PyDict_GET_SIZE(kwargs)) == 0) {
- *p_stack = args;
- *p_kwnames = NULL;
- return 0;
- }
-
- if ((size_t)nargs > PY_SSIZE_T_MAX / sizeof(stack[0]) - (size_t)nkwargs) {
- PyErr_NoMemory();
- return -1;
- }
-
- stack = PyMem_Malloc((nargs + nkwargs) * sizeof(stack[0]));
- if (stack == NULL) {
- PyErr_NoMemory();
- return -1;
- }
-
- kwnames = PyTuple_New(nkwargs);
- if (kwnames == NULL) {
- PyMem_Free(stack);
- return -1;
- }
-
- /* Copy position arguments (borrowed references) */
- memcpy(stack, args, nargs * sizeof(stack[0]));
-
- kwstack = stack + nargs;
- pos = i = 0;
- /* This loop doesn't support lookup function mutating the dictionary
- to change its size. It's a deliberate choice for speed, this function is
- called in the performance critical hot code. */
- while (PyDict_Next(kwargs, &pos, &key, &value)) {
- Py_INCREF(key);
- PyTuple_SET_ITEM(kwnames, i, key);
- /* The stack contains borrowed references */
- kwstack[i] = value;
- i++;
- }
-
- *p_stack = stack;
- *p_kwnames = kwnames;
- return 0;
-}
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