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98e2b45297
svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r85896 | antoine.pitrou | 2010-10-29 00:56:58 +0200 (ven., 29 oct. 2010) | 4 lines Issue #5437: A preallocated MemoryError instance should not hold traceback data (including local variables caught in the stack trace) alive infinitely. ........
2103 lines
58 KiB
C
2103 lines
58 KiB
C
/*
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* New exceptions.c written in Iceland by Richard Jones and Georg Brandl.
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*
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* Thanks go to Tim Peters and Michael Hudson for debugging.
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*/
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#define PY_SSIZE_T_CLEAN
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#include <Python.h>
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#include "structmember.h"
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#include "osdefs.h"
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/* NOTE: If the exception class hierarchy changes, don't forget to update
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* Lib/test/exception_hierarchy.txt
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*/
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/*
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* BaseException
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*/
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static PyObject *
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BaseException_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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{
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PyBaseExceptionObject *self;
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self = (PyBaseExceptionObject *)type->tp_alloc(type, 0);
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if (!self)
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return NULL;
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/* the dict is created on the fly in PyObject_GenericSetAttr */
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self->dict = NULL;
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self->traceback = self->cause = self->context = NULL;
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self->args = PyTuple_New(0);
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if (!self->args) {
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Py_DECREF(self);
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return NULL;
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}
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return (PyObject *)self;
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}
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static int
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BaseException_init(PyBaseExceptionObject *self, PyObject *args, PyObject *kwds)
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{
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if (!_PyArg_NoKeywords(Py_TYPE(self)->tp_name, kwds))
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return -1;
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Py_DECREF(self->args);
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self->args = args;
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Py_INCREF(self->args);
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return 0;
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}
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static int
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BaseException_clear(PyBaseExceptionObject *self)
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{
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Py_CLEAR(self->dict);
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Py_CLEAR(self->args);
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Py_CLEAR(self->traceback);
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Py_CLEAR(self->cause);
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Py_CLEAR(self->context);
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return 0;
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}
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static void
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BaseException_dealloc(PyBaseExceptionObject *self)
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{
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_PyObject_GC_UNTRACK(self);
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BaseException_clear(self);
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Py_TYPE(self)->tp_free((PyObject *)self);
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}
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static int
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BaseException_traverse(PyBaseExceptionObject *self, visitproc visit, void *arg)
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{
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Py_VISIT(self->dict);
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Py_VISIT(self->args);
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Py_VISIT(self->traceback);
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Py_VISIT(self->cause);
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Py_VISIT(self->context);
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return 0;
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}
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static PyObject *
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BaseException_str(PyBaseExceptionObject *self)
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{
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switch (PyTuple_GET_SIZE(self->args)) {
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case 0:
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return PyUnicode_FromString("");
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case 1:
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return PyObject_Str(PyTuple_GET_ITEM(self->args, 0));
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default:
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return PyObject_Str(self->args);
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}
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}
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static PyObject *
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BaseException_repr(PyBaseExceptionObject *self)
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{
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char *name;
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char *dot;
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name = (char *)Py_TYPE(self)->tp_name;
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dot = strrchr(name, '.');
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if (dot != NULL) name = dot+1;
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return PyUnicode_FromFormat("%s%R", name, self->args);
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}
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/* Pickling support */
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static PyObject *
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BaseException_reduce(PyBaseExceptionObject *self)
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{
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if (self->args && self->dict)
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return PyTuple_Pack(3, Py_TYPE(self), self->args, self->dict);
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else
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return PyTuple_Pack(2, Py_TYPE(self), self->args);
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}
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/*
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* Needed for backward compatibility, since exceptions used to store
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* all their attributes in the __dict__. Code is taken from cPickle's
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* load_build function.
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*/
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static PyObject *
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BaseException_setstate(PyObject *self, PyObject *state)
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{
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PyObject *d_key, *d_value;
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Py_ssize_t i = 0;
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if (state != Py_None) {
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if (!PyDict_Check(state)) {
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PyErr_SetString(PyExc_TypeError, "state is not a dictionary");
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return NULL;
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}
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while (PyDict_Next(state, &i, &d_key, &d_value)) {
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if (PyObject_SetAttr(self, d_key, d_value) < 0)
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return NULL;
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}
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}
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Py_RETURN_NONE;
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}
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static PyObject *
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BaseException_with_traceback(PyObject *self, PyObject *tb) {
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if (PyException_SetTraceback(self, tb))
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return NULL;
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Py_INCREF(self);
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return self;
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}
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PyDoc_STRVAR(with_traceback_doc,
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"Exception.with_traceback(tb) --\n\
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set self.__traceback__ to tb and return self.");
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static PyMethodDef BaseException_methods[] = {
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{"__reduce__", (PyCFunction)BaseException_reduce, METH_NOARGS },
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{"__setstate__", (PyCFunction)BaseException_setstate, METH_O },
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{"with_traceback", (PyCFunction)BaseException_with_traceback, METH_O,
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with_traceback_doc},
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{NULL, NULL, 0, NULL},
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};
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static PyObject *
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BaseException_get_dict(PyBaseExceptionObject *self)
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{
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if (self->dict == NULL) {
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self->dict = PyDict_New();
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if (!self->dict)
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return NULL;
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}
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Py_INCREF(self->dict);
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return self->dict;
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}
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static int
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BaseException_set_dict(PyBaseExceptionObject *self, PyObject *val)
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{
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if (val == NULL) {
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PyErr_SetString(PyExc_TypeError, "__dict__ may not be deleted");
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return -1;
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}
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if (!PyDict_Check(val)) {
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PyErr_SetString(PyExc_TypeError, "__dict__ must be a dictionary");
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return -1;
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}
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Py_CLEAR(self->dict);
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Py_INCREF(val);
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self->dict = val;
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return 0;
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}
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static PyObject *
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BaseException_get_args(PyBaseExceptionObject *self)
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{
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if (self->args == NULL) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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Py_INCREF(self->args);
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return self->args;
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}
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static int
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BaseException_set_args(PyBaseExceptionObject *self, PyObject *val)
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{
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PyObject *seq;
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if (val == NULL) {
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PyErr_SetString(PyExc_TypeError, "args may not be deleted");
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return -1;
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}
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seq = PySequence_Tuple(val);
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if (!seq) return -1;
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Py_CLEAR(self->args);
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self->args = seq;
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return 0;
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}
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static PyObject *
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BaseException_get_tb(PyBaseExceptionObject *self)
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{
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if (self->traceback == NULL) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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Py_INCREF(self->traceback);
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return self->traceback;
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}
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static int
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BaseException_set_tb(PyBaseExceptionObject *self, PyObject *tb)
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{
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if (tb == NULL) {
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PyErr_SetString(PyExc_TypeError, "__traceback__ may not be deleted");
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return -1;
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}
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else if (!(tb == Py_None || PyTraceBack_Check(tb))) {
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PyErr_SetString(PyExc_TypeError,
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"__traceback__ must be a traceback or None");
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return -1;
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}
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Py_XINCREF(tb);
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Py_XDECREF(self->traceback);
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self->traceback = tb;
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return 0;
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}
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static PyObject *
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BaseException_get_context(PyObject *self) {
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PyObject *res = PyException_GetContext(self);
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if (res) return res; /* new reference already returned above */
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Py_RETURN_NONE;
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}
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static int
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BaseException_set_context(PyObject *self, PyObject *arg) {
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if (arg == NULL) {
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PyErr_SetString(PyExc_TypeError, "__context__ may not be deleted");
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return -1;
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} else if (arg == Py_None) {
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arg = NULL;
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} else if (!PyExceptionInstance_Check(arg)) {
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PyErr_SetString(PyExc_TypeError, "exception context must be None "
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"or derive from BaseException");
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return -1;
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} else {
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/* PyException_SetContext steals this reference */
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Py_INCREF(arg);
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}
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PyException_SetContext(self, arg);
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return 0;
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}
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static PyObject *
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BaseException_get_cause(PyObject *self) {
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PyObject *res = PyException_GetCause(self);
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if (res) return res; /* new reference already returned above */
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Py_RETURN_NONE;
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}
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static int
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BaseException_set_cause(PyObject *self, PyObject *arg) {
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if (arg == NULL) {
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PyErr_SetString(PyExc_TypeError, "__cause__ may not be deleted");
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return -1;
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} else if (arg == Py_None) {
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arg = NULL;
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} else if (!PyExceptionInstance_Check(arg)) {
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PyErr_SetString(PyExc_TypeError, "exception cause must be None "
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"or derive from BaseException");
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return -1;
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} else {
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/* PyException_SetCause steals this reference */
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Py_INCREF(arg);
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}
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PyException_SetCause(self, arg);
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return 0;
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}
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static PyGetSetDef BaseException_getset[] = {
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{"__dict__", (getter)BaseException_get_dict, (setter)BaseException_set_dict},
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{"args", (getter)BaseException_get_args, (setter)BaseException_set_args},
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{"__traceback__", (getter)BaseException_get_tb, (setter)BaseException_set_tb},
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{"__context__", (getter)BaseException_get_context,
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(setter)BaseException_set_context, PyDoc_STR("exception context")},
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{"__cause__", (getter)BaseException_get_cause,
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(setter)BaseException_set_cause, PyDoc_STR("exception cause")},
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{NULL},
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};
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PyObject *
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PyException_GetTraceback(PyObject *self) {
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PyBaseExceptionObject *base_self = (PyBaseExceptionObject *)self;
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Py_XINCREF(base_self->traceback);
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return base_self->traceback;
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}
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int
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PyException_SetTraceback(PyObject *self, PyObject *tb) {
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return BaseException_set_tb((PyBaseExceptionObject *)self, tb);
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}
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PyObject *
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PyException_GetCause(PyObject *self) {
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PyObject *cause = ((PyBaseExceptionObject *)self)->cause;
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Py_XINCREF(cause);
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return cause;
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}
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/* Steals a reference to cause */
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void
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PyException_SetCause(PyObject *self, PyObject *cause) {
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PyObject *old_cause = ((PyBaseExceptionObject *)self)->cause;
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((PyBaseExceptionObject *)self)->cause = cause;
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Py_XDECREF(old_cause);
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}
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PyObject *
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PyException_GetContext(PyObject *self) {
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PyObject *context = ((PyBaseExceptionObject *)self)->context;
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Py_XINCREF(context);
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return context;
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}
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/* Steals a reference to context */
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void
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PyException_SetContext(PyObject *self, PyObject *context) {
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PyObject *old_context = ((PyBaseExceptionObject *)self)->context;
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((PyBaseExceptionObject *)self)->context = context;
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Py_XDECREF(old_context);
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}
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static PyTypeObject _PyExc_BaseException = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"BaseException", /*tp_name*/
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sizeof(PyBaseExceptionObject), /*tp_basicsize*/
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0, /*tp_itemsize*/
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(destructor)BaseException_dealloc, /*tp_dealloc*/
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0, /*tp_print*/
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0, /*tp_getattr*/
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0, /*tp_setattr*/
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0, /* tp_reserved; */
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(reprfunc)BaseException_repr, /*tp_repr*/
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0, /*tp_as_number*/
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0, /*tp_as_sequence*/
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0, /*tp_as_mapping*/
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0, /*tp_hash */
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0, /*tp_call*/
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(reprfunc)BaseException_str, /*tp_str*/
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PyObject_GenericGetAttr, /*tp_getattro*/
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PyObject_GenericSetAttr, /*tp_setattro*/
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0, /*tp_as_buffer*/
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC |
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Py_TPFLAGS_BASE_EXC_SUBCLASS, /*tp_flags*/
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PyDoc_STR("Common base class for all exceptions"), /* tp_doc */
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(traverseproc)BaseException_traverse, /* tp_traverse */
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(inquiry)BaseException_clear, /* tp_clear */
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0, /* tp_richcompare */
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0, /* tp_weaklistoffset */
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0, /* tp_iter */
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0, /* tp_iternext */
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BaseException_methods, /* tp_methods */
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0, /* tp_members */
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BaseException_getset, /* tp_getset */
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0, /* tp_base */
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0, /* tp_dict */
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0, /* tp_descr_get */
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0, /* tp_descr_set */
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offsetof(PyBaseExceptionObject, dict), /* tp_dictoffset */
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(initproc)BaseException_init, /* tp_init */
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0, /* tp_alloc */
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BaseException_new, /* tp_new */
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};
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/* the CPython API expects exceptions to be (PyObject *) - both a hold-over
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from the previous implmentation and also allowing Python objects to be used
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in the API */
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PyObject *PyExc_BaseException = (PyObject *)&_PyExc_BaseException;
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/* note these macros omit the last semicolon so the macro invocation may
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* include it and not look strange.
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*/
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#define SimpleExtendsException(EXCBASE, EXCNAME, EXCDOC) \
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static PyTypeObject _PyExc_ ## EXCNAME = { \
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PyVarObject_HEAD_INIT(NULL, 0) \
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# EXCNAME, \
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sizeof(PyBaseExceptionObject), \
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0, (destructor)BaseException_dealloc, 0, 0, 0, 0, 0, 0, 0, \
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0, 0, 0, 0, 0, 0, 0, \
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, \
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PyDoc_STR(EXCDOC), (traverseproc)BaseException_traverse, \
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(inquiry)BaseException_clear, 0, 0, 0, 0, 0, 0, 0, &_ ## EXCBASE, \
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0, 0, 0, offsetof(PyBaseExceptionObject, dict), \
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(initproc)BaseException_init, 0, BaseException_new,\
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}; \
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PyObject *PyExc_ ## EXCNAME = (PyObject *)&_PyExc_ ## EXCNAME
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#define MiddlingExtendsException(EXCBASE, EXCNAME, EXCSTORE, EXCDOC) \
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static PyTypeObject _PyExc_ ## EXCNAME = { \
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PyVarObject_HEAD_INIT(NULL, 0) \
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# EXCNAME, \
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sizeof(Py ## EXCSTORE ## Object), \
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0, (destructor)EXCSTORE ## _dealloc, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
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0, 0, 0, 0, 0, \
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, \
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PyDoc_STR(EXCDOC), (traverseproc)EXCSTORE ## _traverse, \
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(inquiry)EXCSTORE ## _clear, 0, 0, 0, 0, 0, 0, 0, &_ ## EXCBASE, \
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0, 0, 0, offsetof(Py ## EXCSTORE ## Object, dict), \
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(initproc)EXCSTORE ## _init, 0, BaseException_new,\
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|
}; \
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PyObject *PyExc_ ## EXCNAME = (PyObject *)&_PyExc_ ## EXCNAME
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|
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#define ComplexExtendsException(EXCBASE, EXCNAME, EXCSTORE, EXCDEALLOC, EXCMETHODS, EXCMEMBERS, EXCSTR, EXCDOC) \
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static PyTypeObject _PyExc_ ## EXCNAME = { \
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PyVarObject_HEAD_INIT(NULL, 0) \
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# EXCNAME, \
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sizeof(Py ## EXCSTORE ## Object), 0, \
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(destructor)EXCSTORE ## _dealloc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
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(reprfunc)EXCSTR, 0, 0, 0, \
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, \
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PyDoc_STR(EXCDOC), (traverseproc)EXCSTORE ## _traverse, \
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(inquiry)EXCSTORE ## _clear, 0, 0, 0, 0, EXCMETHODS, \
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EXCMEMBERS, 0, &_ ## EXCBASE, \
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0, 0, 0, offsetof(Py ## EXCSTORE ## Object, dict), \
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(initproc)EXCSTORE ## _init, 0, BaseException_new,\
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|
}; \
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PyObject *PyExc_ ## EXCNAME = (PyObject *)&_PyExc_ ## EXCNAME
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|
|
|
|
/*
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|
* Exception extends BaseException
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|
*/
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|
SimpleExtendsException(PyExc_BaseException, Exception,
|
|
"Common base class for all non-exit exceptions.");
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|
|
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/*
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|
* TypeError extends Exception
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|
*/
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|
SimpleExtendsException(PyExc_Exception, TypeError,
|
|
"Inappropriate argument type.");
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|
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/*
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* StopIteration extends Exception
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*/
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|
SimpleExtendsException(PyExc_Exception, StopIteration,
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|
"Signal the end from iterator.__next__().");
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|
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/*
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* GeneratorExit extends BaseException
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*/
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SimpleExtendsException(PyExc_BaseException, GeneratorExit,
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|
"Request that a generator exit.");
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/*
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* SystemExit extends BaseException
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*/
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static int
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SystemExit_init(PySystemExitObject *self, PyObject *args, PyObject *kwds)
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|
{
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Py_ssize_t size = PyTuple_GET_SIZE(args);
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|
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if (BaseException_init((PyBaseExceptionObject *)self, args, kwds) == -1)
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return -1;
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|
|
if (size == 0)
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return 0;
|
|
Py_CLEAR(self->code);
|
|
if (size == 1)
|
|
self->code = PyTuple_GET_ITEM(args, 0);
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|
else if (size > 1)
|
|
self->code = args;
|
|
Py_INCREF(self->code);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
SystemExit_clear(PySystemExitObject *self)
|
|
{
|
|
Py_CLEAR(self->code);
|
|
return BaseException_clear((PyBaseExceptionObject *)self);
|
|
}
|
|
|
|
static void
|
|
SystemExit_dealloc(PySystemExitObject *self)
|
|
{
|
|
_PyObject_GC_UNTRACK(self);
|
|
SystemExit_clear(self);
|
|
Py_TYPE(self)->tp_free((PyObject *)self);
|
|
}
|
|
|
|
static int
|
|
SystemExit_traverse(PySystemExitObject *self, visitproc visit, void *arg)
|
|
{
|
|
Py_VISIT(self->code);
|
|
return BaseException_traverse((PyBaseExceptionObject *)self, visit, arg);
|
|
}
|
|
|
|
static PyMemberDef SystemExit_members[] = {
|
|
{"code", T_OBJECT, offsetof(PySystemExitObject, code), 0,
|
|
PyDoc_STR("exception code")},
|
|
{NULL} /* Sentinel */
|
|
};
|
|
|
|
ComplexExtendsException(PyExc_BaseException, SystemExit, SystemExit,
|
|
SystemExit_dealloc, 0, SystemExit_members, 0,
|
|
"Request to exit from the interpreter.");
|
|
|
|
/*
|
|
* KeyboardInterrupt extends BaseException
|
|
*/
|
|
SimpleExtendsException(PyExc_BaseException, KeyboardInterrupt,
|
|
"Program interrupted by user.");
|
|
|
|
|
|
/*
|
|
* ImportError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, ImportError,
|
|
"Import can't find module, or can't find name in module.");
|
|
|
|
|
|
/*
|
|
* EnvironmentError extends Exception
|
|
*/
|
|
|
|
/* Where a function has a single filename, such as open() or some
|
|
* of the os module functions, PyErr_SetFromErrnoWithFilename() is
|
|
* called, giving a third argument which is the filename. But, so
|
|
* that old code using in-place unpacking doesn't break, e.g.:
|
|
*
|
|
* except IOError, (errno, strerror):
|
|
*
|
|
* we hack args so that it only contains two items. This also
|
|
* means we need our own __str__() which prints out the filename
|
|
* when it was supplied.
|
|
*/
|
|
static int
|
|
EnvironmentError_init(PyEnvironmentErrorObject *self, PyObject *args,
|
|
PyObject *kwds)
|
|
{
|
|
PyObject *myerrno = NULL, *strerror = NULL, *filename = NULL;
|
|
PyObject *subslice = NULL;
|
|
|
|
if (BaseException_init((PyBaseExceptionObject *)self, args, kwds) == -1)
|
|
return -1;
|
|
|
|
if (PyTuple_GET_SIZE(args) <= 1 || PyTuple_GET_SIZE(args) > 3) {
|
|
return 0;
|
|
}
|
|
|
|
if (!PyArg_UnpackTuple(args, "EnvironmentError", 2, 3,
|
|
&myerrno, &strerror, &filename)) {
|
|
return -1;
|
|
}
|
|
Py_CLEAR(self->myerrno); /* replacing */
|
|
self->myerrno = myerrno;
|
|
Py_INCREF(self->myerrno);
|
|
|
|
Py_CLEAR(self->strerror); /* replacing */
|
|
self->strerror = strerror;
|
|
Py_INCREF(self->strerror);
|
|
|
|
/* self->filename will remain Py_None otherwise */
|
|
if (filename != NULL) {
|
|
Py_CLEAR(self->filename); /* replacing */
|
|
self->filename = filename;
|
|
Py_INCREF(self->filename);
|
|
|
|
subslice = PyTuple_GetSlice(args, 0, 2);
|
|
if (!subslice)
|
|
return -1;
|
|
|
|
Py_DECREF(self->args); /* replacing args */
|
|
self->args = subslice;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
EnvironmentError_clear(PyEnvironmentErrorObject *self)
|
|
{
|
|
Py_CLEAR(self->myerrno);
|
|
Py_CLEAR(self->strerror);
|
|
Py_CLEAR(self->filename);
|
|
return BaseException_clear((PyBaseExceptionObject *)self);
|
|
}
|
|
|
|
static void
|
|
EnvironmentError_dealloc(PyEnvironmentErrorObject *self)
|
|
{
|
|
_PyObject_GC_UNTRACK(self);
|
|
EnvironmentError_clear(self);
|
|
Py_TYPE(self)->tp_free((PyObject *)self);
|
|
}
|
|
|
|
static int
|
|
EnvironmentError_traverse(PyEnvironmentErrorObject *self, visitproc visit,
|
|
void *arg)
|
|
{
|
|
Py_VISIT(self->myerrno);
|
|
Py_VISIT(self->strerror);
|
|
Py_VISIT(self->filename);
|
|
return BaseException_traverse((PyBaseExceptionObject *)self, visit, arg);
|
|
}
|
|
|
|
static PyObject *
|
|
EnvironmentError_str(PyEnvironmentErrorObject *self)
|
|
{
|
|
if (self->filename)
|
|
return PyUnicode_FromFormat("[Errno %S] %S: %R",
|
|
self->myerrno ? self->myerrno: Py_None,
|
|
self->strerror ? self->strerror: Py_None,
|
|
self->filename);
|
|
else if (self->myerrno && self->strerror)
|
|
return PyUnicode_FromFormat("[Errno %S] %S",
|
|
self->myerrno ? self->myerrno: Py_None,
|
|
self->strerror ? self->strerror: Py_None);
|
|
else
|
|
return BaseException_str((PyBaseExceptionObject *)self);
|
|
}
|
|
|
|
static PyMemberDef EnvironmentError_members[] = {
|
|
{"errno", T_OBJECT, offsetof(PyEnvironmentErrorObject, myerrno), 0,
|
|
PyDoc_STR("exception errno")},
|
|
{"strerror", T_OBJECT, offsetof(PyEnvironmentErrorObject, strerror), 0,
|
|
PyDoc_STR("exception strerror")},
|
|
{"filename", T_OBJECT, offsetof(PyEnvironmentErrorObject, filename), 0,
|
|
PyDoc_STR("exception filename")},
|
|
{NULL} /* Sentinel */
|
|
};
|
|
|
|
|
|
static PyObject *
|
|
EnvironmentError_reduce(PyEnvironmentErrorObject *self)
|
|
{
|
|
PyObject *args = self->args;
|
|
PyObject *res = NULL, *tmp;
|
|
|
|
/* self->args is only the first two real arguments if there was a
|
|
* file name given to EnvironmentError. */
|
|
if (PyTuple_GET_SIZE(args) == 2 && self->filename) {
|
|
args = PyTuple_New(3);
|
|
if (!args) return NULL;
|
|
|
|
tmp = PyTuple_GET_ITEM(self->args, 0);
|
|
Py_INCREF(tmp);
|
|
PyTuple_SET_ITEM(args, 0, tmp);
|
|
|
|
tmp = PyTuple_GET_ITEM(self->args, 1);
|
|
Py_INCREF(tmp);
|
|
PyTuple_SET_ITEM(args, 1, tmp);
|
|
|
|
Py_INCREF(self->filename);
|
|
PyTuple_SET_ITEM(args, 2, self->filename);
|
|
} else
|
|
Py_INCREF(args);
|
|
|
|
if (self->dict)
|
|
res = PyTuple_Pack(3, Py_TYPE(self), args, self->dict);
|
|
else
|
|
res = PyTuple_Pack(2, Py_TYPE(self), args);
|
|
Py_DECREF(args);
|
|
return res;
|
|
}
|
|
|
|
|
|
static PyMethodDef EnvironmentError_methods[] = {
|
|
{"__reduce__", (PyCFunction)EnvironmentError_reduce, METH_NOARGS},
|
|
{NULL}
|
|
};
|
|
|
|
ComplexExtendsException(PyExc_Exception, EnvironmentError,
|
|
EnvironmentError, EnvironmentError_dealloc,
|
|
EnvironmentError_methods, EnvironmentError_members,
|
|
EnvironmentError_str,
|
|
"Base class for I/O related errors.");
|
|
|
|
|
|
/*
|
|
* IOError extends EnvironmentError
|
|
*/
|
|
MiddlingExtendsException(PyExc_EnvironmentError, IOError,
|
|
EnvironmentError, "I/O operation failed.");
|
|
|
|
|
|
/*
|
|
* OSError extends EnvironmentError
|
|
*/
|
|
MiddlingExtendsException(PyExc_EnvironmentError, OSError,
|
|
EnvironmentError, "OS system call failed.");
|
|
|
|
|
|
/*
|
|
* WindowsError extends OSError
|
|
*/
|
|
#ifdef MS_WINDOWS
|
|
#include "errmap.h"
|
|
|
|
static int
|
|
WindowsError_clear(PyWindowsErrorObject *self)
|
|
{
|
|
Py_CLEAR(self->myerrno);
|
|
Py_CLEAR(self->strerror);
|
|
Py_CLEAR(self->filename);
|
|
Py_CLEAR(self->winerror);
|
|
return BaseException_clear((PyBaseExceptionObject *)self);
|
|
}
|
|
|
|
static void
|
|
WindowsError_dealloc(PyWindowsErrorObject *self)
|
|
{
|
|
_PyObject_GC_UNTRACK(self);
|
|
WindowsError_clear(self);
|
|
Py_TYPE(self)->tp_free((PyObject *)self);
|
|
}
|
|
|
|
static int
|
|
WindowsError_traverse(PyWindowsErrorObject *self, visitproc visit, void *arg)
|
|
{
|
|
Py_VISIT(self->myerrno);
|
|
Py_VISIT(self->strerror);
|
|
Py_VISIT(self->filename);
|
|
Py_VISIT(self->winerror);
|
|
return BaseException_traverse((PyBaseExceptionObject *)self, visit, arg);
|
|
}
|
|
|
|
static int
|
|
WindowsError_init(PyWindowsErrorObject *self, PyObject *args, PyObject *kwds)
|
|
{
|
|
PyObject *o_errcode = NULL;
|
|
long errcode;
|
|
long posix_errno;
|
|
|
|
if (EnvironmentError_init((PyEnvironmentErrorObject *)self, args, kwds)
|
|
== -1)
|
|
return -1;
|
|
|
|
if (self->myerrno == NULL)
|
|
return 0;
|
|
|
|
/* Set errno to the POSIX errno, and winerror to the Win32
|
|
error code. */
|
|
errcode = PyLong_AsLong(self->myerrno);
|
|
if (errcode == -1 && PyErr_Occurred())
|
|
return -1;
|
|
posix_errno = winerror_to_errno(errcode);
|
|
|
|
Py_CLEAR(self->winerror);
|
|
self->winerror = self->myerrno;
|
|
|
|
o_errcode = PyLong_FromLong(posix_errno);
|
|
if (!o_errcode)
|
|
return -1;
|
|
|
|
self->myerrno = o_errcode;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static PyObject *
|
|
WindowsError_str(PyWindowsErrorObject *self)
|
|
{
|
|
if (self->filename)
|
|
return PyUnicode_FromFormat("[Error %S] %S: %R",
|
|
self->winerror ? self->winerror: Py_None,
|
|
self->strerror ? self->strerror: Py_None,
|
|
self->filename);
|
|
else if (self->winerror && self->strerror)
|
|
return PyUnicode_FromFormat("[Error %S] %S",
|
|
self->winerror ? self->winerror: Py_None,
|
|
self->strerror ? self->strerror: Py_None);
|
|
else
|
|
return EnvironmentError_str((PyEnvironmentErrorObject *)self);
|
|
}
|
|
|
|
static PyMemberDef WindowsError_members[] = {
|
|
{"errno", T_OBJECT, offsetof(PyWindowsErrorObject, myerrno), 0,
|
|
PyDoc_STR("POSIX exception code")},
|
|
{"strerror", T_OBJECT, offsetof(PyWindowsErrorObject, strerror), 0,
|
|
PyDoc_STR("exception strerror")},
|
|
{"filename", T_OBJECT, offsetof(PyWindowsErrorObject, filename), 0,
|
|
PyDoc_STR("exception filename")},
|
|
{"winerror", T_OBJECT, offsetof(PyWindowsErrorObject, winerror), 0,
|
|
PyDoc_STR("Win32 exception code")},
|
|
{NULL} /* Sentinel */
|
|
};
|
|
|
|
ComplexExtendsException(PyExc_OSError, WindowsError, WindowsError,
|
|
WindowsError_dealloc, 0, WindowsError_members,
|
|
WindowsError_str, "MS-Windows OS system call failed.");
|
|
|
|
#endif /* MS_WINDOWS */
|
|
|
|
|
|
/*
|
|
* VMSError extends OSError (I think)
|
|
*/
|
|
#ifdef __VMS
|
|
MiddlingExtendsException(PyExc_OSError, VMSError, EnvironmentError,
|
|
"OpenVMS OS system call failed.");
|
|
#endif
|
|
|
|
|
|
/*
|
|
* EOFError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, EOFError,
|
|
"Read beyond end of file.");
|
|
|
|
|
|
/*
|
|
* RuntimeError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, RuntimeError,
|
|
"Unspecified run-time error.");
|
|
|
|
|
|
/*
|
|
* NotImplementedError extends RuntimeError
|
|
*/
|
|
SimpleExtendsException(PyExc_RuntimeError, NotImplementedError,
|
|
"Method or function hasn't been implemented yet.");
|
|
|
|
/*
|
|
* NameError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, NameError,
|
|
"Name not found globally.");
|
|
|
|
/*
|
|
* UnboundLocalError extends NameError
|
|
*/
|
|
SimpleExtendsException(PyExc_NameError, UnboundLocalError,
|
|
"Local name referenced but not bound to a value.");
|
|
|
|
/*
|
|
* AttributeError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, AttributeError,
|
|
"Attribute not found.");
|
|
|
|
|
|
/*
|
|
* SyntaxError extends Exception
|
|
*/
|
|
|
|
static int
|
|
SyntaxError_init(PySyntaxErrorObject *self, PyObject *args, PyObject *kwds)
|
|
{
|
|
PyObject *info = NULL;
|
|
Py_ssize_t lenargs = PyTuple_GET_SIZE(args);
|
|
|
|
if (BaseException_init((PyBaseExceptionObject *)self, args, kwds) == -1)
|
|
return -1;
|
|
|
|
if (lenargs >= 1) {
|
|
Py_CLEAR(self->msg);
|
|
self->msg = PyTuple_GET_ITEM(args, 0);
|
|
Py_INCREF(self->msg);
|
|
}
|
|
if (lenargs == 2) {
|
|
info = PyTuple_GET_ITEM(args, 1);
|
|
info = PySequence_Tuple(info);
|
|
if (!info) return -1;
|
|
|
|
if (PyTuple_GET_SIZE(info) != 4) {
|
|
/* not a very good error message, but it's what Python 2.4 gives */
|
|
PyErr_SetString(PyExc_IndexError, "tuple index out of range");
|
|
Py_DECREF(info);
|
|
return -1;
|
|
}
|
|
|
|
Py_CLEAR(self->filename);
|
|
self->filename = PyTuple_GET_ITEM(info, 0);
|
|
Py_INCREF(self->filename);
|
|
|
|
Py_CLEAR(self->lineno);
|
|
self->lineno = PyTuple_GET_ITEM(info, 1);
|
|
Py_INCREF(self->lineno);
|
|
|
|
Py_CLEAR(self->offset);
|
|
self->offset = PyTuple_GET_ITEM(info, 2);
|
|
Py_INCREF(self->offset);
|
|
|
|
Py_CLEAR(self->text);
|
|
self->text = PyTuple_GET_ITEM(info, 3);
|
|
Py_INCREF(self->text);
|
|
|
|
Py_DECREF(info);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
SyntaxError_clear(PySyntaxErrorObject *self)
|
|
{
|
|
Py_CLEAR(self->msg);
|
|
Py_CLEAR(self->filename);
|
|
Py_CLEAR(self->lineno);
|
|
Py_CLEAR(self->offset);
|
|
Py_CLEAR(self->text);
|
|
Py_CLEAR(self->print_file_and_line);
|
|
return BaseException_clear((PyBaseExceptionObject *)self);
|
|
}
|
|
|
|
static void
|
|
SyntaxError_dealloc(PySyntaxErrorObject *self)
|
|
{
|
|
_PyObject_GC_UNTRACK(self);
|
|
SyntaxError_clear(self);
|
|
Py_TYPE(self)->tp_free((PyObject *)self);
|
|
}
|
|
|
|
static int
|
|
SyntaxError_traverse(PySyntaxErrorObject *self, visitproc visit, void *arg)
|
|
{
|
|
Py_VISIT(self->msg);
|
|
Py_VISIT(self->filename);
|
|
Py_VISIT(self->lineno);
|
|
Py_VISIT(self->offset);
|
|
Py_VISIT(self->text);
|
|
Py_VISIT(self->print_file_and_line);
|
|
return BaseException_traverse((PyBaseExceptionObject *)self, visit, arg);
|
|
}
|
|
|
|
/* This is called "my_basename" instead of just "basename" to avoid name
|
|
conflicts with glibc; basename is already prototyped if _GNU_SOURCE is
|
|
defined, and Python does define that. */
|
|
static char *
|
|
my_basename(char *name)
|
|
{
|
|
char *cp = name;
|
|
char *result = name;
|
|
|
|
if (name == NULL)
|
|
return "???";
|
|
while (*cp != '\0') {
|
|
if (*cp == SEP)
|
|
result = cp + 1;
|
|
++cp;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
static PyObject *
|
|
SyntaxError_str(PySyntaxErrorObject *self)
|
|
{
|
|
int have_lineno = 0;
|
|
char *filename = 0;
|
|
/* Below, we always ignore overflow errors, just printing -1.
|
|
Still, we cannot allow an OverflowError to be raised, so
|
|
we need to call PyLong_AsLongAndOverflow. */
|
|
int overflow;
|
|
|
|
/* XXX -- do all the additional formatting with filename and
|
|
lineno here */
|
|
|
|
if (self->filename && PyUnicode_Check(self->filename)) {
|
|
filename = _PyUnicode_AsString(self->filename);
|
|
}
|
|
have_lineno = (self->lineno != NULL) && PyLong_CheckExact(self->lineno);
|
|
|
|
if (!filename && !have_lineno)
|
|
return PyObject_Str(self->msg ? self->msg : Py_None);
|
|
|
|
if (filename && have_lineno)
|
|
return PyUnicode_FromFormat("%S (%s, line %ld)",
|
|
self->msg ? self->msg : Py_None,
|
|
my_basename(filename),
|
|
PyLong_AsLongAndOverflow(self->lineno, &overflow));
|
|
else if (filename)
|
|
return PyUnicode_FromFormat("%S (%s)",
|
|
self->msg ? self->msg : Py_None,
|
|
my_basename(filename));
|
|
else /* only have_lineno */
|
|
return PyUnicode_FromFormat("%S (line %ld)",
|
|
self->msg ? self->msg : Py_None,
|
|
PyLong_AsLongAndOverflow(self->lineno, &overflow));
|
|
}
|
|
|
|
static PyMemberDef SyntaxError_members[] = {
|
|
{"msg", T_OBJECT, offsetof(PySyntaxErrorObject, msg), 0,
|
|
PyDoc_STR("exception msg")},
|
|
{"filename", T_OBJECT, offsetof(PySyntaxErrorObject, filename), 0,
|
|
PyDoc_STR("exception filename")},
|
|
{"lineno", T_OBJECT, offsetof(PySyntaxErrorObject, lineno), 0,
|
|
PyDoc_STR("exception lineno")},
|
|
{"offset", T_OBJECT, offsetof(PySyntaxErrorObject, offset), 0,
|
|
PyDoc_STR("exception offset")},
|
|
{"text", T_OBJECT, offsetof(PySyntaxErrorObject, text), 0,
|
|
PyDoc_STR("exception text")},
|
|
{"print_file_and_line", T_OBJECT,
|
|
offsetof(PySyntaxErrorObject, print_file_and_line), 0,
|
|
PyDoc_STR("exception print_file_and_line")},
|
|
{NULL} /* Sentinel */
|
|
};
|
|
|
|
ComplexExtendsException(PyExc_Exception, SyntaxError, SyntaxError,
|
|
SyntaxError_dealloc, 0, SyntaxError_members,
|
|
SyntaxError_str, "Invalid syntax.");
|
|
|
|
|
|
/*
|
|
* IndentationError extends SyntaxError
|
|
*/
|
|
MiddlingExtendsException(PyExc_SyntaxError, IndentationError, SyntaxError,
|
|
"Improper indentation.");
|
|
|
|
|
|
/*
|
|
* TabError extends IndentationError
|
|
*/
|
|
MiddlingExtendsException(PyExc_IndentationError, TabError, SyntaxError,
|
|
"Improper mixture of spaces and tabs.");
|
|
|
|
|
|
/*
|
|
* LookupError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, LookupError,
|
|
"Base class for lookup errors.");
|
|
|
|
|
|
/*
|
|
* IndexError extends LookupError
|
|
*/
|
|
SimpleExtendsException(PyExc_LookupError, IndexError,
|
|
"Sequence index out of range.");
|
|
|
|
|
|
/*
|
|
* KeyError extends LookupError
|
|
*/
|
|
static PyObject *
|
|
KeyError_str(PyBaseExceptionObject *self)
|
|
{
|
|
/* If args is a tuple of exactly one item, apply repr to args[0].
|
|
This is done so that e.g. the exception raised by {}[''] prints
|
|
KeyError: ''
|
|
rather than the confusing
|
|
KeyError
|
|
alone. The downside is that if KeyError is raised with an explanatory
|
|
string, that string will be displayed in quotes. Too bad.
|
|
If args is anything else, use the default BaseException__str__().
|
|
*/
|
|
if (PyTuple_GET_SIZE(self->args) == 1) {
|
|
return PyObject_Repr(PyTuple_GET_ITEM(self->args, 0));
|
|
}
|
|
return BaseException_str(self);
|
|
}
|
|
|
|
ComplexExtendsException(PyExc_LookupError, KeyError, BaseException,
|
|
0, 0, 0, KeyError_str, "Mapping key not found.");
|
|
|
|
|
|
/*
|
|
* ValueError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, ValueError,
|
|
"Inappropriate argument value (of correct type).");
|
|
|
|
/*
|
|
* UnicodeError extends ValueError
|
|
*/
|
|
|
|
SimpleExtendsException(PyExc_ValueError, UnicodeError,
|
|
"Unicode related error.");
|
|
|
|
static PyObject *
|
|
get_string(PyObject *attr, const char *name)
|
|
{
|
|
if (!attr) {
|
|
PyErr_Format(PyExc_TypeError, "%.200s attribute not set", name);
|
|
return NULL;
|
|
}
|
|
|
|
if (!PyBytes_Check(attr)) {
|
|
PyErr_Format(PyExc_TypeError, "%.200s attribute must be bytes", name);
|
|
return NULL;
|
|
}
|
|
Py_INCREF(attr);
|
|
return attr;
|
|
}
|
|
|
|
static PyObject *
|
|
get_unicode(PyObject *attr, const char *name)
|
|
{
|
|
if (!attr) {
|
|
PyErr_Format(PyExc_TypeError, "%.200s attribute not set", name);
|
|
return NULL;
|
|
}
|
|
|
|
if (!PyUnicode_Check(attr)) {
|
|
PyErr_Format(PyExc_TypeError,
|
|
"%.200s attribute must be unicode", name);
|
|
return NULL;
|
|
}
|
|
Py_INCREF(attr);
|
|
return attr;
|
|
}
|
|
|
|
static int
|
|
set_unicodefromstring(PyObject **attr, const char *value)
|
|
{
|
|
PyObject *obj = PyUnicode_FromString(value);
|
|
if (!obj)
|
|
return -1;
|
|
Py_CLEAR(*attr);
|
|
*attr = obj;
|
|
return 0;
|
|
}
|
|
|
|
PyObject *
|
|
PyUnicodeEncodeError_GetEncoding(PyObject *exc)
|
|
{
|
|
return get_unicode(((PyUnicodeErrorObject *)exc)->encoding, "encoding");
|
|
}
|
|
|
|
PyObject *
|
|
PyUnicodeDecodeError_GetEncoding(PyObject *exc)
|
|
{
|
|
return get_unicode(((PyUnicodeErrorObject *)exc)->encoding, "encoding");
|
|
}
|
|
|
|
PyObject *
|
|
PyUnicodeEncodeError_GetObject(PyObject *exc)
|
|
{
|
|
return get_unicode(((PyUnicodeErrorObject *)exc)->object, "object");
|
|
}
|
|
|
|
PyObject *
|
|
PyUnicodeDecodeError_GetObject(PyObject *exc)
|
|
{
|
|
return get_string(((PyUnicodeErrorObject *)exc)->object, "object");
|
|
}
|
|
|
|
PyObject *
|
|
PyUnicodeTranslateError_GetObject(PyObject *exc)
|
|
{
|
|
return get_unicode(((PyUnicodeErrorObject *)exc)->object, "object");
|
|
}
|
|
|
|
int
|
|
PyUnicodeEncodeError_GetStart(PyObject *exc, Py_ssize_t *start)
|
|
{
|
|
Py_ssize_t size;
|
|
PyObject *obj = get_unicode(((PyUnicodeErrorObject *)exc)->object,
|
|
"object");
|
|
if (!obj)
|
|
return -1;
|
|
*start = ((PyUnicodeErrorObject *)exc)->start;
|
|
size = PyUnicode_GET_SIZE(obj);
|
|
if (*start<0)
|
|
*start = 0; /*XXX check for values <0*/
|
|
if (*start>=size)
|
|
*start = size-1;
|
|
Py_DECREF(obj);
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeDecodeError_GetStart(PyObject *exc, Py_ssize_t *start)
|
|
{
|
|
Py_ssize_t size;
|
|
PyObject *obj = get_string(((PyUnicodeErrorObject *)exc)->object, "object");
|
|
if (!obj)
|
|
return -1;
|
|
size = PyBytes_GET_SIZE(obj);
|
|
*start = ((PyUnicodeErrorObject *)exc)->start;
|
|
if (*start<0)
|
|
*start = 0;
|
|
if (*start>=size)
|
|
*start = size-1;
|
|
Py_DECREF(obj);
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeTranslateError_GetStart(PyObject *exc, Py_ssize_t *start)
|
|
{
|
|
return PyUnicodeEncodeError_GetStart(exc, start);
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeEncodeError_SetStart(PyObject *exc, Py_ssize_t start)
|
|
{
|
|
((PyUnicodeErrorObject *)exc)->start = start;
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeDecodeError_SetStart(PyObject *exc, Py_ssize_t start)
|
|
{
|
|
((PyUnicodeErrorObject *)exc)->start = start;
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeTranslateError_SetStart(PyObject *exc, Py_ssize_t start)
|
|
{
|
|
((PyUnicodeErrorObject *)exc)->start = start;
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeEncodeError_GetEnd(PyObject *exc, Py_ssize_t *end)
|
|
{
|
|
Py_ssize_t size;
|
|
PyObject *obj = get_unicode(((PyUnicodeErrorObject *)exc)->object,
|
|
"object");
|
|
if (!obj)
|
|
return -1;
|
|
*end = ((PyUnicodeErrorObject *)exc)->end;
|
|
size = PyUnicode_GET_SIZE(obj);
|
|
if (*end<1)
|
|
*end = 1;
|
|
if (*end>size)
|
|
*end = size;
|
|
Py_DECREF(obj);
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeDecodeError_GetEnd(PyObject *exc, Py_ssize_t *end)
|
|
{
|
|
Py_ssize_t size;
|
|
PyObject *obj = get_string(((PyUnicodeErrorObject *)exc)->object, "object");
|
|
if (!obj)
|
|
return -1;
|
|
size = PyBytes_GET_SIZE(obj);
|
|
*end = ((PyUnicodeErrorObject *)exc)->end;
|
|
if (*end<1)
|
|
*end = 1;
|
|
if (*end>size)
|
|
*end = size;
|
|
Py_DECREF(obj);
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeTranslateError_GetEnd(PyObject *exc, Py_ssize_t *start)
|
|
{
|
|
return PyUnicodeEncodeError_GetEnd(exc, start);
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeEncodeError_SetEnd(PyObject *exc, Py_ssize_t end)
|
|
{
|
|
((PyUnicodeErrorObject *)exc)->end = end;
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeDecodeError_SetEnd(PyObject *exc, Py_ssize_t end)
|
|
{
|
|
((PyUnicodeErrorObject *)exc)->end = end;
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeTranslateError_SetEnd(PyObject *exc, Py_ssize_t end)
|
|
{
|
|
((PyUnicodeErrorObject *)exc)->end = end;
|
|
return 0;
|
|
}
|
|
|
|
PyObject *
|
|
PyUnicodeEncodeError_GetReason(PyObject *exc)
|
|
{
|
|
return get_unicode(((PyUnicodeErrorObject *)exc)->reason, "reason");
|
|
}
|
|
|
|
|
|
PyObject *
|
|
PyUnicodeDecodeError_GetReason(PyObject *exc)
|
|
{
|
|
return get_unicode(((PyUnicodeErrorObject *)exc)->reason, "reason");
|
|
}
|
|
|
|
|
|
PyObject *
|
|
PyUnicodeTranslateError_GetReason(PyObject *exc)
|
|
{
|
|
return get_unicode(((PyUnicodeErrorObject *)exc)->reason, "reason");
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeEncodeError_SetReason(PyObject *exc, const char *reason)
|
|
{
|
|
return set_unicodefromstring(&((PyUnicodeErrorObject *)exc)->reason,
|
|
reason);
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeDecodeError_SetReason(PyObject *exc, const char *reason)
|
|
{
|
|
return set_unicodefromstring(&((PyUnicodeErrorObject *)exc)->reason,
|
|
reason);
|
|
}
|
|
|
|
|
|
int
|
|
PyUnicodeTranslateError_SetReason(PyObject *exc, const char *reason)
|
|
{
|
|
return set_unicodefromstring(&((PyUnicodeErrorObject *)exc)->reason,
|
|
reason);
|
|
}
|
|
|
|
|
|
static int
|
|
UnicodeError_clear(PyUnicodeErrorObject *self)
|
|
{
|
|
Py_CLEAR(self->encoding);
|
|
Py_CLEAR(self->object);
|
|
Py_CLEAR(self->reason);
|
|
return BaseException_clear((PyBaseExceptionObject *)self);
|
|
}
|
|
|
|
static void
|
|
UnicodeError_dealloc(PyUnicodeErrorObject *self)
|
|
{
|
|
_PyObject_GC_UNTRACK(self);
|
|
UnicodeError_clear(self);
|
|
Py_TYPE(self)->tp_free((PyObject *)self);
|
|
}
|
|
|
|
static int
|
|
UnicodeError_traverse(PyUnicodeErrorObject *self, visitproc visit, void *arg)
|
|
{
|
|
Py_VISIT(self->encoding);
|
|
Py_VISIT(self->object);
|
|
Py_VISIT(self->reason);
|
|
return BaseException_traverse((PyBaseExceptionObject *)self, visit, arg);
|
|
}
|
|
|
|
static PyMemberDef UnicodeError_members[] = {
|
|
{"encoding", T_OBJECT, offsetof(PyUnicodeErrorObject, encoding), 0,
|
|
PyDoc_STR("exception encoding")},
|
|
{"object", T_OBJECT, offsetof(PyUnicodeErrorObject, object), 0,
|
|
PyDoc_STR("exception object")},
|
|
{"start", T_PYSSIZET, offsetof(PyUnicodeErrorObject, start), 0,
|
|
PyDoc_STR("exception start")},
|
|
{"end", T_PYSSIZET, offsetof(PyUnicodeErrorObject, end), 0,
|
|
PyDoc_STR("exception end")},
|
|
{"reason", T_OBJECT, offsetof(PyUnicodeErrorObject, reason), 0,
|
|
PyDoc_STR("exception reason")},
|
|
{NULL} /* Sentinel */
|
|
};
|
|
|
|
|
|
/*
|
|
* UnicodeEncodeError extends UnicodeError
|
|
*/
|
|
|
|
static int
|
|
UnicodeEncodeError_init(PyObject *self, PyObject *args, PyObject *kwds)
|
|
{
|
|
PyUnicodeErrorObject *err;
|
|
|
|
if (BaseException_init((PyBaseExceptionObject *)self, args, kwds) == -1)
|
|
return -1;
|
|
|
|
err = (PyUnicodeErrorObject *)self;
|
|
|
|
Py_CLEAR(err->encoding);
|
|
Py_CLEAR(err->object);
|
|
Py_CLEAR(err->reason);
|
|
|
|
if (!PyArg_ParseTuple(args, "O!O!nnO!",
|
|
&PyUnicode_Type, &err->encoding,
|
|
&PyUnicode_Type, &err->object,
|
|
&err->start,
|
|
&err->end,
|
|
&PyUnicode_Type, &err->reason)) {
|
|
err->encoding = err->object = err->reason = NULL;
|
|
return -1;
|
|
}
|
|
|
|
Py_INCREF(err->encoding);
|
|
Py_INCREF(err->object);
|
|
Py_INCREF(err->reason);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static PyObject *
|
|
UnicodeEncodeError_str(PyObject *self)
|
|
{
|
|
PyUnicodeErrorObject *uself = (PyUnicodeErrorObject *)self;
|
|
PyObject *result = NULL;
|
|
PyObject *reason_str = NULL;
|
|
PyObject *encoding_str = NULL;
|
|
|
|
/* Get reason and encoding as strings, which they might not be if
|
|
they've been modified after we were contructed. */
|
|
reason_str = PyObject_Str(uself->reason);
|
|
if (reason_str == NULL)
|
|
goto done;
|
|
encoding_str = PyObject_Str(uself->encoding);
|
|
if (encoding_str == NULL)
|
|
goto done;
|
|
|
|
if (uself->start < PyUnicode_GET_SIZE(uself->object) && uself->end == uself->start+1) {
|
|
int badchar = (int)PyUnicode_AS_UNICODE(uself->object)[uself->start];
|
|
const char *fmt;
|
|
if (badchar <= 0xff)
|
|
fmt = "'%U' codec can't encode character '\\x%02x' in position %zd: %U";
|
|
else if (badchar <= 0xffff)
|
|
fmt = "'%U' codec can't encode character '\\u%04x' in position %zd: %U";
|
|
else
|
|
fmt = "'%U' codec can't encode character '\\U%08x' in position %zd: %U";
|
|
result = PyUnicode_FromFormat(
|
|
fmt,
|
|
encoding_str,
|
|
badchar,
|
|
uself->start,
|
|
reason_str);
|
|
}
|
|
else {
|
|
result = PyUnicode_FromFormat(
|
|
"'%U' codec can't encode characters in position %zd-%zd: %U",
|
|
encoding_str,
|
|
uself->start,
|
|
uself->end-1,
|
|
reason_str);
|
|
}
|
|
done:
|
|
Py_XDECREF(reason_str);
|
|
Py_XDECREF(encoding_str);
|
|
return result;
|
|
}
|
|
|
|
static PyTypeObject _PyExc_UnicodeEncodeError = {
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
"UnicodeEncodeError",
|
|
sizeof(PyUnicodeErrorObject), 0,
|
|
(destructor)UnicodeError_dealloc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
(reprfunc)UnicodeEncodeError_str, 0, 0, 0,
|
|
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
|
|
PyDoc_STR("Unicode encoding error."), (traverseproc)UnicodeError_traverse,
|
|
(inquiry)UnicodeError_clear, 0, 0, 0, 0, 0, UnicodeError_members,
|
|
0, &_PyExc_UnicodeError, 0, 0, 0, offsetof(PyUnicodeErrorObject, dict),
|
|
(initproc)UnicodeEncodeError_init, 0, BaseException_new,
|
|
};
|
|
PyObject *PyExc_UnicodeEncodeError = (PyObject *)&_PyExc_UnicodeEncodeError;
|
|
|
|
PyObject *
|
|
PyUnicodeEncodeError_Create(
|
|
const char *encoding, const Py_UNICODE *object, Py_ssize_t length,
|
|
Py_ssize_t start, Py_ssize_t end, const char *reason)
|
|
{
|
|
return PyObject_CallFunction(PyExc_UnicodeEncodeError, "Uu#nnU",
|
|
encoding, object, length, start, end, reason);
|
|
}
|
|
|
|
|
|
/*
|
|
* UnicodeDecodeError extends UnicodeError
|
|
*/
|
|
|
|
static int
|
|
UnicodeDecodeError_init(PyObject *self, PyObject *args, PyObject *kwds)
|
|
{
|
|
PyUnicodeErrorObject *ude;
|
|
const char *data;
|
|
Py_ssize_t size;
|
|
|
|
if (BaseException_init((PyBaseExceptionObject *)self, args, kwds) == -1)
|
|
return -1;
|
|
|
|
ude = (PyUnicodeErrorObject *)self;
|
|
|
|
Py_CLEAR(ude->encoding);
|
|
Py_CLEAR(ude->object);
|
|
Py_CLEAR(ude->reason);
|
|
|
|
if (!PyArg_ParseTuple(args, "O!OnnO!",
|
|
&PyUnicode_Type, &ude->encoding,
|
|
&ude->object,
|
|
&ude->start,
|
|
&ude->end,
|
|
&PyUnicode_Type, &ude->reason)) {
|
|
ude->encoding = ude->object = ude->reason = NULL;
|
|
return -1;
|
|
}
|
|
|
|
if (!PyBytes_Check(ude->object)) {
|
|
if (PyObject_AsReadBuffer(ude->object, (const void **)&data, &size)) {
|
|
ude->encoding = ude->object = ude->reason = NULL;
|
|
return -1;
|
|
}
|
|
ude->object = PyBytes_FromStringAndSize(data, size);
|
|
}
|
|
else {
|
|
Py_INCREF(ude->object);
|
|
}
|
|
|
|
Py_INCREF(ude->encoding);
|
|
Py_INCREF(ude->reason);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static PyObject *
|
|
UnicodeDecodeError_str(PyObject *self)
|
|
{
|
|
PyUnicodeErrorObject *uself = (PyUnicodeErrorObject *)self;
|
|
PyObject *result = NULL;
|
|
PyObject *reason_str = NULL;
|
|
PyObject *encoding_str = NULL;
|
|
|
|
/* Get reason and encoding as strings, which they might not be if
|
|
they've been modified after we were contructed. */
|
|
reason_str = PyObject_Str(uself->reason);
|
|
if (reason_str == NULL)
|
|
goto done;
|
|
encoding_str = PyObject_Str(uself->encoding);
|
|
if (encoding_str == NULL)
|
|
goto done;
|
|
|
|
if (uself->start < PyBytes_GET_SIZE(uself->object) && uself->end == uself->start+1) {
|
|
int byte = (int)(PyBytes_AS_STRING(((PyUnicodeErrorObject *)self)->object)[uself->start]&0xff);
|
|
result = PyUnicode_FromFormat(
|
|
"'%U' codec can't decode byte 0x%02x in position %zd: %U",
|
|
encoding_str,
|
|
byte,
|
|
uself->start,
|
|
reason_str);
|
|
}
|
|
else {
|
|
result = PyUnicode_FromFormat(
|
|
"'%U' codec can't decode bytes in position %zd-%zd: %U",
|
|
encoding_str,
|
|
uself->start,
|
|
uself->end-1,
|
|
reason_str
|
|
);
|
|
}
|
|
done:
|
|
Py_XDECREF(reason_str);
|
|
Py_XDECREF(encoding_str);
|
|
return result;
|
|
}
|
|
|
|
static PyTypeObject _PyExc_UnicodeDecodeError = {
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
"UnicodeDecodeError",
|
|
sizeof(PyUnicodeErrorObject), 0,
|
|
(destructor)UnicodeError_dealloc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
(reprfunc)UnicodeDecodeError_str, 0, 0, 0,
|
|
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
|
|
PyDoc_STR("Unicode decoding error."), (traverseproc)UnicodeError_traverse,
|
|
(inquiry)UnicodeError_clear, 0, 0, 0, 0, 0, UnicodeError_members,
|
|
0, &_PyExc_UnicodeError, 0, 0, 0, offsetof(PyUnicodeErrorObject, dict),
|
|
(initproc)UnicodeDecodeError_init, 0, BaseException_new,
|
|
};
|
|
PyObject *PyExc_UnicodeDecodeError = (PyObject *)&_PyExc_UnicodeDecodeError;
|
|
|
|
PyObject *
|
|
PyUnicodeDecodeError_Create(
|
|
const char *encoding, const char *object, Py_ssize_t length,
|
|
Py_ssize_t start, Py_ssize_t end, const char *reason)
|
|
{
|
|
return PyObject_CallFunction(PyExc_UnicodeDecodeError, "Uy#nnU",
|
|
encoding, object, length, start, end, reason);
|
|
}
|
|
|
|
|
|
/*
|
|
* UnicodeTranslateError extends UnicodeError
|
|
*/
|
|
|
|
static int
|
|
UnicodeTranslateError_init(PyUnicodeErrorObject *self, PyObject *args,
|
|
PyObject *kwds)
|
|
{
|
|
if (BaseException_init((PyBaseExceptionObject *)self, args, kwds) == -1)
|
|
return -1;
|
|
|
|
Py_CLEAR(self->object);
|
|
Py_CLEAR(self->reason);
|
|
|
|
if (!PyArg_ParseTuple(args, "O!nnO!",
|
|
&PyUnicode_Type, &self->object,
|
|
&self->start,
|
|
&self->end,
|
|
&PyUnicode_Type, &self->reason)) {
|
|
self->object = self->reason = NULL;
|
|
return -1;
|
|
}
|
|
|
|
Py_INCREF(self->object);
|
|
Py_INCREF(self->reason);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static PyObject *
|
|
UnicodeTranslateError_str(PyObject *self)
|
|
{
|
|
PyUnicodeErrorObject *uself = (PyUnicodeErrorObject *)self;
|
|
PyObject *result = NULL;
|
|
PyObject *reason_str = NULL;
|
|
|
|
/* Get reason as a string, which it might not be if it's been
|
|
modified after we were contructed. */
|
|
reason_str = PyObject_Str(uself->reason);
|
|
if (reason_str == NULL)
|
|
goto done;
|
|
|
|
if (uself->start < PyUnicode_GET_SIZE(uself->object) && uself->end == uself->start+1) {
|
|
int badchar = (int)PyUnicode_AS_UNICODE(uself->object)[uself->start];
|
|
const char *fmt;
|
|
if (badchar <= 0xff)
|
|
fmt = "can't translate character '\\x%02x' in position %zd: %U";
|
|
else if (badchar <= 0xffff)
|
|
fmt = "can't translate character '\\u%04x' in position %zd: %U";
|
|
else
|
|
fmt = "can't translate character '\\U%08x' in position %zd: %U";
|
|
result = PyUnicode_FromFormat(
|
|
fmt,
|
|
badchar,
|
|
uself->start,
|
|
reason_str
|
|
);
|
|
} else {
|
|
result = PyUnicode_FromFormat(
|
|
"can't translate characters in position %zd-%zd: %U",
|
|
uself->start,
|
|
uself->end-1,
|
|
reason_str
|
|
);
|
|
}
|
|
done:
|
|
Py_XDECREF(reason_str);
|
|
return result;
|
|
}
|
|
|
|
static PyTypeObject _PyExc_UnicodeTranslateError = {
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
"UnicodeTranslateError",
|
|
sizeof(PyUnicodeErrorObject), 0,
|
|
(destructor)UnicodeError_dealloc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
(reprfunc)UnicodeTranslateError_str, 0, 0, 0,
|
|
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
|
|
PyDoc_STR("Unicode translation error."), (traverseproc)UnicodeError_traverse,
|
|
(inquiry)UnicodeError_clear, 0, 0, 0, 0, 0, UnicodeError_members,
|
|
0, &_PyExc_UnicodeError, 0, 0, 0, offsetof(PyUnicodeErrorObject, dict),
|
|
(initproc)UnicodeTranslateError_init, 0, BaseException_new,
|
|
};
|
|
PyObject *PyExc_UnicodeTranslateError = (PyObject *)&_PyExc_UnicodeTranslateError;
|
|
|
|
PyObject *
|
|
PyUnicodeTranslateError_Create(
|
|
const Py_UNICODE *object, Py_ssize_t length,
|
|
Py_ssize_t start, Py_ssize_t end, const char *reason)
|
|
{
|
|
return PyObject_CallFunction(PyExc_UnicodeTranslateError, "u#nns",
|
|
object, length, start, end, reason);
|
|
}
|
|
|
|
|
|
/*
|
|
* AssertionError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, AssertionError,
|
|
"Assertion failed.");
|
|
|
|
|
|
/*
|
|
* ArithmeticError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, ArithmeticError,
|
|
"Base class for arithmetic errors.");
|
|
|
|
|
|
/*
|
|
* FloatingPointError extends ArithmeticError
|
|
*/
|
|
SimpleExtendsException(PyExc_ArithmeticError, FloatingPointError,
|
|
"Floating point operation failed.");
|
|
|
|
|
|
/*
|
|
* OverflowError extends ArithmeticError
|
|
*/
|
|
SimpleExtendsException(PyExc_ArithmeticError, OverflowError,
|
|
"Result too large to be represented.");
|
|
|
|
|
|
/*
|
|
* ZeroDivisionError extends ArithmeticError
|
|
*/
|
|
SimpleExtendsException(PyExc_ArithmeticError, ZeroDivisionError,
|
|
"Second argument to a division or modulo operation was zero.");
|
|
|
|
|
|
/*
|
|
* SystemError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, SystemError,
|
|
"Internal error in the Python interpreter.\n"
|
|
"\n"
|
|
"Please report this to the Python maintainer, along with the traceback,\n"
|
|
"the Python version, and the hardware/OS platform and version.");
|
|
|
|
|
|
/*
|
|
* ReferenceError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, ReferenceError,
|
|
"Weak ref proxy used after referent went away.");
|
|
|
|
|
|
/*
|
|
* MemoryError extends Exception
|
|
*/
|
|
|
|
#define MEMERRORS_SAVE 16
|
|
static PyBaseExceptionObject *memerrors_freelist = NULL;
|
|
static int memerrors_numfree = 0;
|
|
|
|
static PyObject *
|
|
MemoryError_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
|
|
{
|
|
PyBaseExceptionObject *self;
|
|
|
|
if (type != (PyTypeObject *) PyExc_MemoryError)
|
|
return BaseException_new(type, args, kwds);
|
|
if (memerrors_freelist == NULL)
|
|
return BaseException_new(type, args, kwds);
|
|
/* Fetch object from freelist and revive it */
|
|
self = memerrors_freelist;
|
|
self->args = PyTuple_New(0);
|
|
/* This shouldn't happen since the empty tuple is persistent */
|
|
if (self->args == NULL)
|
|
return NULL;
|
|
memerrors_freelist = (PyBaseExceptionObject *) self->dict;
|
|
memerrors_numfree--;
|
|
self->dict = NULL;
|
|
_Py_NewReference((PyObject *)self);
|
|
_PyObject_GC_TRACK(self);
|
|
return (PyObject *)self;
|
|
}
|
|
|
|
static void
|
|
MemoryError_dealloc(PyBaseExceptionObject *self)
|
|
{
|
|
_PyObject_GC_UNTRACK(self);
|
|
BaseException_clear(self);
|
|
if (memerrors_numfree >= MEMERRORS_SAVE)
|
|
Py_TYPE(self)->tp_free((PyObject *)self);
|
|
else {
|
|
self->dict = (PyObject *) memerrors_freelist;
|
|
memerrors_freelist = self;
|
|
memerrors_numfree++;
|
|
}
|
|
}
|
|
|
|
static void
|
|
preallocate_memerrors(void)
|
|
{
|
|
/* We create enough MemoryErrors and then decref them, which will fill
|
|
up the freelist. */
|
|
int i;
|
|
PyObject *errors[MEMERRORS_SAVE];
|
|
for (i = 0; i < MEMERRORS_SAVE; i++) {
|
|
errors[i] = MemoryError_new((PyTypeObject *) PyExc_MemoryError,
|
|
NULL, NULL);
|
|
if (!errors[i])
|
|
Py_FatalError("Could not preallocate MemoryError object");
|
|
}
|
|
for (i = 0; i < MEMERRORS_SAVE; i++) {
|
|
Py_DECREF(errors[i]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
free_preallocated_memerrors(void)
|
|
{
|
|
while (memerrors_freelist != NULL) {
|
|
PyObject *self = (PyObject *) memerrors_freelist;
|
|
memerrors_freelist = (PyBaseExceptionObject *) memerrors_freelist->dict;
|
|
Py_TYPE(self)->tp_free((PyObject *)self);
|
|
}
|
|
}
|
|
|
|
|
|
static PyTypeObject _PyExc_MemoryError = {
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
"MemoryError",
|
|
sizeof(PyBaseExceptionObject),
|
|
0, (destructor)MemoryError_dealloc, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0,
|
|
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
|
|
PyDoc_STR("Out of memory."), (traverseproc)BaseException_traverse,
|
|
(inquiry)BaseException_clear, 0, 0, 0, 0, 0, 0, 0, &_PyExc_Exception,
|
|
0, 0, 0, offsetof(PyBaseExceptionObject, dict),
|
|
(initproc)BaseException_init, 0, MemoryError_new
|
|
};
|
|
PyObject *PyExc_MemoryError = (PyObject *) &_PyExc_MemoryError;
|
|
|
|
|
|
/*
|
|
* BufferError extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, BufferError, "Buffer error.");
|
|
|
|
|
|
/* Warning category docstrings */
|
|
|
|
/*
|
|
* Warning extends Exception
|
|
*/
|
|
SimpleExtendsException(PyExc_Exception, Warning,
|
|
"Base class for warning categories.");
|
|
|
|
|
|
/*
|
|
* UserWarning extends Warning
|
|
*/
|
|
SimpleExtendsException(PyExc_Warning, UserWarning,
|
|
"Base class for warnings generated by user code.");
|
|
|
|
|
|
/*
|
|
* DeprecationWarning extends Warning
|
|
*/
|
|
SimpleExtendsException(PyExc_Warning, DeprecationWarning,
|
|
"Base class for warnings about deprecated features.");
|
|
|
|
|
|
/*
|
|
* PendingDeprecationWarning extends Warning
|
|
*/
|
|
SimpleExtendsException(PyExc_Warning, PendingDeprecationWarning,
|
|
"Base class for warnings about features which will be deprecated\n"
|
|
"in the future.");
|
|
|
|
|
|
/*
|
|
* SyntaxWarning extends Warning
|
|
*/
|
|
SimpleExtendsException(PyExc_Warning, SyntaxWarning,
|
|
"Base class for warnings about dubious syntax.");
|
|
|
|
|
|
/*
|
|
* RuntimeWarning extends Warning
|
|
*/
|
|
SimpleExtendsException(PyExc_Warning, RuntimeWarning,
|
|
"Base class for warnings about dubious runtime behavior.");
|
|
|
|
|
|
/*
|
|
* FutureWarning extends Warning
|
|
*/
|
|
SimpleExtendsException(PyExc_Warning, FutureWarning,
|
|
"Base class for warnings about constructs that will change semantically\n"
|
|
"in the future.");
|
|
|
|
|
|
/*
|
|
* ImportWarning extends Warning
|
|
*/
|
|
SimpleExtendsException(PyExc_Warning, ImportWarning,
|
|
"Base class for warnings about probable mistakes in module imports");
|
|
|
|
|
|
/*
|
|
* UnicodeWarning extends Warning
|
|
*/
|
|
SimpleExtendsException(PyExc_Warning, UnicodeWarning,
|
|
"Base class for warnings about Unicode related problems, mostly\n"
|
|
"related to conversion problems.");
|
|
|
|
/*
|
|
* BytesWarning extends Warning
|
|
*/
|
|
SimpleExtendsException(PyExc_Warning, BytesWarning,
|
|
"Base class for warnings about bytes and buffer related problems, mostly\n"
|
|
"related to conversion from str or comparing to str.");
|
|
|
|
|
|
|
|
/* Pre-computed RuntimeError instance for when recursion depth is reached.
|
|
Meant to be used when normalizing the exception for exceeding the recursion
|
|
depth will cause its own infinite recursion.
|
|
*/
|
|
PyObject *PyExc_RecursionErrorInst = NULL;
|
|
|
|
#define PRE_INIT(TYPE) if (PyType_Ready(&_PyExc_ ## TYPE) < 0) \
|
|
Py_FatalError("exceptions bootstrapping error.");
|
|
|
|
#define POST_INIT(TYPE) Py_INCREF(PyExc_ ## TYPE); \
|
|
if (PyDict_SetItemString(bdict, # TYPE, PyExc_ ## TYPE)) \
|
|
Py_FatalError("Module dictionary insertion problem.");
|
|
|
|
|
|
void
|
|
_PyExc_Init(void)
|
|
{
|
|
PyObject *bltinmod, *bdict;
|
|
|
|
PRE_INIT(BaseException)
|
|
PRE_INIT(Exception)
|
|
PRE_INIT(TypeError)
|
|
PRE_INIT(StopIteration)
|
|
PRE_INIT(GeneratorExit)
|
|
PRE_INIT(SystemExit)
|
|
PRE_INIT(KeyboardInterrupt)
|
|
PRE_INIT(ImportError)
|
|
PRE_INIT(EnvironmentError)
|
|
PRE_INIT(IOError)
|
|
PRE_INIT(OSError)
|
|
#ifdef MS_WINDOWS
|
|
PRE_INIT(WindowsError)
|
|
#endif
|
|
#ifdef __VMS
|
|
PRE_INIT(VMSError)
|
|
#endif
|
|
PRE_INIT(EOFError)
|
|
PRE_INIT(RuntimeError)
|
|
PRE_INIT(NotImplementedError)
|
|
PRE_INIT(NameError)
|
|
PRE_INIT(UnboundLocalError)
|
|
PRE_INIT(AttributeError)
|
|
PRE_INIT(SyntaxError)
|
|
PRE_INIT(IndentationError)
|
|
PRE_INIT(TabError)
|
|
PRE_INIT(LookupError)
|
|
PRE_INIT(IndexError)
|
|
PRE_INIT(KeyError)
|
|
PRE_INIT(ValueError)
|
|
PRE_INIT(UnicodeError)
|
|
PRE_INIT(UnicodeEncodeError)
|
|
PRE_INIT(UnicodeDecodeError)
|
|
PRE_INIT(UnicodeTranslateError)
|
|
PRE_INIT(AssertionError)
|
|
PRE_INIT(ArithmeticError)
|
|
PRE_INIT(FloatingPointError)
|
|
PRE_INIT(OverflowError)
|
|
PRE_INIT(ZeroDivisionError)
|
|
PRE_INIT(SystemError)
|
|
PRE_INIT(ReferenceError)
|
|
PRE_INIT(BufferError)
|
|
PRE_INIT(MemoryError)
|
|
PRE_INIT(BufferError)
|
|
PRE_INIT(Warning)
|
|
PRE_INIT(UserWarning)
|
|
PRE_INIT(DeprecationWarning)
|
|
PRE_INIT(PendingDeprecationWarning)
|
|
PRE_INIT(SyntaxWarning)
|
|
PRE_INIT(RuntimeWarning)
|
|
PRE_INIT(FutureWarning)
|
|
PRE_INIT(ImportWarning)
|
|
PRE_INIT(UnicodeWarning)
|
|
PRE_INIT(BytesWarning)
|
|
|
|
bltinmod = PyImport_ImportModule("builtins");
|
|
if (bltinmod == NULL)
|
|
Py_FatalError("exceptions bootstrapping error.");
|
|
bdict = PyModule_GetDict(bltinmod);
|
|
if (bdict == NULL)
|
|
Py_FatalError("exceptions bootstrapping error.");
|
|
|
|
POST_INIT(BaseException)
|
|
POST_INIT(Exception)
|
|
POST_INIT(TypeError)
|
|
POST_INIT(StopIteration)
|
|
POST_INIT(GeneratorExit)
|
|
POST_INIT(SystemExit)
|
|
POST_INIT(KeyboardInterrupt)
|
|
POST_INIT(ImportError)
|
|
POST_INIT(EnvironmentError)
|
|
POST_INIT(IOError)
|
|
POST_INIT(OSError)
|
|
#ifdef MS_WINDOWS
|
|
POST_INIT(WindowsError)
|
|
#endif
|
|
#ifdef __VMS
|
|
POST_INIT(VMSError)
|
|
#endif
|
|
POST_INIT(EOFError)
|
|
POST_INIT(RuntimeError)
|
|
POST_INIT(NotImplementedError)
|
|
POST_INIT(NameError)
|
|
POST_INIT(UnboundLocalError)
|
|
POST_INIT(AttributeError)
|
|
POST_INIT(SyntaxError)
|
|
POST_INIT(IndentationError)
|
|
POST_INIT(TabError)
|
|
POST_INIT(LookupError)
|
|
POST_INIT(IndexError)
|
|
POST_INIT(KeyError)
|
|
POST_INIT(ValueError)
|
|
POST_INIT(UnicodeError)
|
|
POST_INIT(UnicodeEncodeError)
|
|
POST_INIT(UnicodeDecodeError)
|
|
POST_INIT(UnicodeTranslateError)
|
|
POST_INIT(AssertionError)
|
|
POST_INIT(ArithmeticError)
|
|
POST_INIT(FloatingPointError)
|
|
POST_INIT(OverflowError)
|
|
POST_INIT(ZeroDivisionError)
|
|
POST_INIT(SystemError)
|
|
POST_INIT(ReferenceError)
|
|
POST_INIT(BufferError)
|
|
POST_INIT(MemoryError)
|
|
POST_INIT(BufferError)
|
|
POST_INIT(Warning)
|
|
POST_INIT(UserWarning)
|
|
POST_INIT(DeprecationWarning)
|
|
POST_INIT(PendingDeprecationWarning)
|
|
POST_INIT(SyntaxWarning)
|
|
POST_INIT(RuntimeWarning)
|
|
POST_INIT(FutureWarning)
|
|
POST_INIT(ImportWarning)
|
|
POST_INIT(UnicodeWarning)
|
|
POST_INIT(BytesWarning)
|
|
|
|
preallocate_memerrors();
|
|
|
|
PyExc_RecursionErrorInst = BaseException_new(&_PyExc_RuntimeError, NULL, NULL);
|
|
if (!PyExc_RecursionErrorInst)
|
|
Py_FatalError("Cannot pre-allocate RuntimeError instance for "
|
|
"recursion errors");
|
|
else {
|
|
PyBaseExceptionObject *err_inst =
|
|
(PyBaseExceptionObject *)PyExc_RecursionErrorInst;
|
|
PyObject *args_tuple;
|
|
PyObject *exc_message;
|
|
exc_message = PyUnicode_FromString("maximum recursion depth exceeded");
|
|
if (!exc_message)
|
|
Py_FatalError("cannot allocate argument for RuntimeError "
|
|
"pre-allocation");
|
|
args_tuple = PyTuple_Pack(1, exc_message);
|
|
if (!args_tuple)
|
|
Py_FatalError("cannot allocate tuple for RuntimeError "
|
|
"pre-allocation");
|
|
Py_DECREF(exc_message);
|
|
if (BaseException_init(err_inst, args_tuple, NULL))
|
|
Py_FatalError("init of pre-allocated RuntimeError failed");
|
|
Py_DECREF(args_tuple);
|
|
}
|
|
|
|
Py_DECREF(bltinmod);
|
|
}
|
|
|
|
void
|
|
_PyExc_Fini(void)
|
|
{
|
|
Py_CLEAR(PyExc_RecursionErrorInst);
|
|
free_preallocated_memerrors();
|
|
}
|