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Make identifiers str (not str8) objects throughout.

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This affects the parser, various object implementations,
and all places that put identifiers into C string literals.

In testing, a number of crashes occurred as code would
fail when the recursion limit was reached (such as the
Unicode interning dictionary having key/value pairs where
key is not value). To solve these, I added an overflowed
flag, which allows for 50 more recursions after the
limit was reached and the exception was raised, and
a recursion_critical flag, which indicates that recursion
absolutely must be allowed, i.e. that a certain call
must not cause a stack overflow exception.

There are still some places where both str and str8 are
accepted as identifiers; these should eventually be
removed.
This commit is contained in:
Martin v. Löwis 2007-06-10 09:51:05 +00:00
parent 38e43c25ee
commit 5b222135f8
40 changed files with 462 additions and 289 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Objects/funcobject.c
View file

@ -322,7 +322,7 @@ func_set_name(PyFunctionObject *op, PyObject *value)
/* Not legal to del f.func_name or to set it to anything
* other than a string object. */
if (value == NULL || !PyString_Check(value)) {
if (value == NULL || (!PyString_Check(value) && !PyUnicode_Check(value))) {
PyErr_SetString(PyExc_TypeError,
"__name__ must be set to a string object");
return -1;
@ -516,7 +516,7 @@ func_new(PyTypeObject* type, PyObject* args, PyObject* kw)
if (nfree != nclosure)
return PyErr_Format(PyExc_ValueError,
"%s requires closure of length %zd, not %zd",
PyString_AS_STRING(code->co_name),
PyUnicode_AsString(code->co_name),
nfree, nclosure);
if (nclosure) {
Py_ssize_t i;