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Issue #29369: Use Py_IDENTIFIER in Python-ast.c

This commit is contained in:
INADA Naoki 2017-01-25 22:33:43 +09:00
parent 6e08baf12d
commit fc489082c8
2 changed files with 25 additions and 14 deletions
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21
Parser/asdl_c.py
View File

@ -622,6 +622,9 @@ class PyTypesVisitor(PickleVisitor):
def visitModule(self, mod):
self.emit("""
_Py_IDENTIFIER(_fields);
_Py_IDENTIFIER(_attributes);
typedef struct {
PyObject_HEAD
PyObject *dict;
@ -650,7 +653,6 @@ ast_clear(AST_object *self)
static int
ast_type_init(PyObject *self, PyObject *args, PyObject *kw)
{
_Py_IDENTIFIER(_fields);
Py_ssize_t i, numfields = 0;
int res = -1;
PyObject *key, *value, *fields;
@ -775,6 +777,8 @@ static PyTypeObject AST_type = {
static PyTypeObject* make_type(char *type, PyTypeObject* base, char**fields, int num_fields)
{
_Py_IDENTIFIER(__module__);
_Py_IDENTIFIER(_ast);
PyObject *fnames, *result;
int i;
fnames = PyTuple_New(num_fields);
@ -787,8 +791,11 @@ static PyTypeObject* make_type(char *type, PyTypeObject* base, char**fields, int
}
PyTuple_SET_ITEM(fnames, i, field);
}
result = PyObject_CallFunction((PyObject*)&PyType_Type, "s(O){sOss}",
type, base, "_fields", fnames, "__module__", "_ast");
result = PyObject_CallFunction((PyObject*)&PyType_Type, "s(O){OOOO}",
type, base,
_PyUnicode_FromId(&PyId__fields), fnames,
_PyUnicode_FromId(&PyId___module__),
_PyUnicode_FromId(&PyId__ast));
Py_DECREF(fnames);
return (PyTypeObject*)result;
}
@ -796,7 +803,6 @@ static PyTypeObject* make_type(char *type, PyTypeObject* base, char**fields, int
static int add_attributes(PyTypeObject* type, char**attrs, int num_fields)
{
int i, result;
_Py_IDENTIFIER(_attributes);
PyObject *s, *l = PyTuple_New(num_fields);
if (!l)
return 0;
@ -942,8 +948,8 @@ static int add_ast_fields(void)
d = AST_type.tp_dict;
empty_tuple = PyTuple_New(0);
if (!empty_tuple ||
PyDict_SetItemString(d, "_fields", empty_tuple) < 0 ||
PyDict_SetItemString(d, "_attributes", empty_tuple) < 0) {
_PyDict_SetItemId(d, &PyId__fields, empty_tuple) < 0 ||
_PyDict_SetItemId(d, &PyId__attributes, empty_tuple) < 0) {
Py_XDECREF(empty_tuple);
return -1;
}
@ -1091,8 +1097,7 @@ class ObjVisitor(PickleVisitor):
self.emit("%s o = (%s)_o;" % (ctype, ctype), 1)
self.emit("PyObject *result = NULL, *value = NULL;", 1)
self.emit('if (!o) {', 1)
self.emit("Py_INCREF(Py_None);", 2)
self.emit('return Py_None;', 2)
self.emit("Py_RETURN_NONE;", 2)
self.emit("}", 1)
self.emit('', 0)

18
Python/Python-ast.c
View File

@ -504,6 +504,9 @@ static char *withitem_fields[]={
};
_Py_IDENTIFIER(_fields);
_Py_IDENTIFIER(_attributes);
typedef struct {
PyObject_HEAD
PyObject *dict;
@ -532,7 +535,6 @@ ast_clear(AST_object *self)
static int
ast_type_init(PyObject *self, PyObject *args, PyObject *kw)
{
_Py_IDENTIFIER(_fields);
Py_ssize_t i, numfields = 0;
int res = -1;
PyObject *key, *value, *fields;
@ -657,6 +659,8 @@ static PyTypeObject AST_type = {
static PyTypeObject* make_type(char *type, PyTypeObject* base, char**fields, int num_fields)
{
_Py_IDENTIFIER(__module__);
_Py_IDENTIFIER(_ast);
PyObject *fnames, *result;
int i;
fnames = PyTuple_New(num_fields);
@ -669,8 +673,11 @@ static PyTypeObject* make_type(char *type, PyTypeObject* base, char**fields, int
}
PyTuple_SET_ITEM(fnames, i, field);
}
result = PyObject_CallFunction((PyObject*)&PyType_Type, "s(O){sOss}",
type, base, "_fields", fnames, "__module__", "_ast");
result = PyObject_CallFunction((PyObject*)&PyType_Type, "s(O){OOOO}",
type, base,
_PyUnicode_FromId(&PyId__fields), fnames,
_PyUnicode_FromId(&PyId___module__),
_PyUnicode_FromId(&PyId__ast));
Py_DECREF(fnames);
return (PyTypeObject*)result;
}
@ -678,7 +685,6 @@ static PyTypeObject* make_type(char *type, PyTypeObject* base, char**fields, int
static int add_attributes(PyTypeObject* type, char**attrs, int num_fields)
{
int i, result;
_Py_IDENTIFIER(_attributes);
PyObject *s, *l = PyTuple_New(num_fields);
if (!l)
return 0;
@ -824,8 +830,8 @@ static int add_ast_fields(void)
d = AST_type.tp_dict;
empty_tuple = PyTuple_New(0);
if (!empty_tuple ||
PyDict_SetItemString(d, "_fields", empty_tuple) < 0 ||
PyDict_SetItemString(d, "_attributes", empty_tuple) < 0) {
_PyDict_SetItemId(d, &PyId__fields, empty_tuple) < 0 ||
_PyDict_SetItemId(d, &PyId__attributes, empty_tuple) < 0) {
Py_XDECREF(empty_tuple);
return -1;
}