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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
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4
Python/modsupport.c
View file

@ -65,7 +65,7 @@ Py_InitModule4(const char *name, PyMethodDef *methods, const char *doc,
return NULL;
d = PyModule_GetDict(m);
if (methods != NULL) {
n = PyString_FromString(name);
n = PyUnicode_FromString(name);
if (n == NULL)
return NULL;
for (ml = methods; ml->ml_name != NULL; ml++) {
@ -689,5 +689,5 @@ PyModule_AddIntConstant(PyObject *m, const char *name, long value)
int
PyModule_AddStringConstant(PyObject *m, const char *name, const char *value)
{
return PyModule_AddObject(m, name, PyString_FromString(value));
return PyModule_AddObject(m, name, PyUnicode_FromString(value));
}