Issue #19235: Add new RecursionError exception. Patch by Georg Brandl.

This commit is contained in:
Yury Selivanov 2015-07-03 01:04:23 -04:00
parent 27be130ec7
commit f488fb422a
31 changed files with 101 additions and 69 deletions

View file

@ -1231,6 +1231,11 @@ SimpleExtendsException(PyExc_Exception, EOFError,
SimpleExtendsException(PyExc_Exception, RuntimeError,
"Unspecified run-time error.");
/*
* RecursionError extends RuntimeError
*/
SimpleExtendsException(PyExc_RuntimeError, RecursionError,
"Recursion limit exceeded.");
/*
* NotImplementedError extends RuntimeError
@ -2380,7 +2385,7 @@ SimpleExtendsException(PyExc_Warning, ResourceWarning,
/* Pre-computed RuntimeError instance for when recursion depth is reached.
/* Pre-computed RecursionError 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.
*/
@ -2484,6 +2489,7 @@ _PyExc_Init(PyObject *bltinmod)
PRE_INIT(OSError)
PRE_INIT(EOFError)
PRE_INIT(RuntimeError)
PRE_INIT(RecursionError)
PRE_INIT(NotImplementedError)
PRE_INIT(NameError)
PRE_INIT(UnboundLocalError)
@ -2560,6 +2566,7 @@ _PyExc_Init(PyObject *bltinmod)
#endif
POST_INIT(EOFError)
POST_INIT(RuntimeError)
POST_INIT(RecursionError)
POST_INIT(NotImplementedError)
POST_INIT(NameError)
POST_INIT(UnboundLocalError)
@ -2643,9 +2650,9 @@ _PyExc_Init(PyObject *bltinmod)
preallocate_memerrors();
if (!PyExc_RecursionErrorInst) {
PyExc_RecursionErrorInst = BaseException_new(&_PyExc_RuntimeError, NULL, NULL);
PyExc_RecursionErrorInst = BaseException_new(&_PyExc_RecursionError, NULL, NULL);
if (!PyExc_RecursionErrorInst)
Py_FatalError("Cannot pre-allocate RuntimeError instance for "
Py_FatalError("Cannot pre-allocate RecursionError instance for "
"recursion errors");
else {
PyBaseExceptionObject *err_inst =
@ -2654,15 +2661,15 @@ _PyExc_Init(PyObject *bltinmod)
PyObject *exc_message;
exc_message = PyUnicode_FromString("maximum recursion depth exceeded");
if (!exc_message)
Py_FatalError("cannot allocate argument for RuntimeError "
Py_FatalError("cannot allocate argument for RecursionError "
"pre-allocation");
args_tuple = PyTuple_Pack(1, exc_message);
if (!args_tuple)
Py_FatalError("cannot allocate tuple for RuntimeError "
Py_FatalError("cannot allocate tuple for RecursionError "
"pre-allocation");
Py_DECREF(exc_message);
if (BaseException_init(err_inst, args_tuple, NULL))
Py_FatalError("init of pre-allocated RuntimeError failed");
Py_FatalError("init of pre-allocated RecursionError failed");
Py_DECREF(args_tuple);
}
}