8000 bpo-39981: Default values for AST nodes by isidentical · Pull Request #19031 · python/cpython · GitHub
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bpo-39981: Default values for AST nodes #19031

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bpo-39981: Default values for AST nodes #19031

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bpo-39981: Default values for AST nodes
isidentical Mar 16, 2020
6249514
apply suggestions from code review
isidentical Mar 17, 2020
43fe55a
Do proper cleanups, increase reference of None, format switch
isidentical Mar 17, 2020
5d033a1
Keep field defaults inside of _field_defaults and recreate the mutabl…
isidentical Mar 18, 2020
fb7990e
Add AST._field_defaults for consistency
isidentical May 5, 2020
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Add AST._field_defaults for consistency
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@isidentical
isidentical committed May 5, 2020
commit fb7990e72006c2362a4bd2c4cee9bf9defa91229
9 changes: 5 additions & 4 deletions Parser/asdl_c.py
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Original file line number Diff line number Diff line change
Expand Up @@ -699,10 +699,10 @@ def visitModule(self, mod):
Py_ssize_t i, numfields = 0;
int res = -1;
PyObject *key, *value, *fields, *field_defaults;
if (_PyObject_LookupAttr(Py_TYPE(self), astmodulestate_global->_fields, &fields) < 0) {
if (_PyObject_LookupAttr(self, astmodulestate_global->_fields, &fields) < 0) {
goto cleanup;
}
if (_PyObject_LookupAttr(Py_TYPE(self), astmodulestate_global->_field_defaults, &field_defaults) < 0) {
if (_PyObject_LookupAttr(self, astmodulestate_global->_field_defaults, &field_defaults) < 0) {
goto cleanup;
}
if (fields) {
Expand Down Expand Up @@ -833,7 +833,7 @@ def visitModule(self, mod):
)
{
Py_ssize_t i;
PyObject *fnames, *fdefaults;
PyObject *fnames, *fdefaults = NULL;
PyObject *result = NULL;

fnames = PyTuple_New(num_fields);
Expand Down Expand Up @@ -1004,7 +1004,8 @@ def visitModule(self, mod):
empty_tuple = PyTuple_New(0);
if (!empty_tuple ||
PyObject_SetAttrString(astmodulestate_global->AST_type, "_fields", empty_tuple) < 0 ||
PyObject_SetAttrString(astmodulestate_global->AST_type, "_attributes", empty_tuple) < 0) {
PyObject_SetAttrString(astmodulestate_global->AST_type, "_attributes", empty_tuple) < 0 ||
PyObject_SetAttrString(astmodulestate_global->AST_type, "_field_defaults", empty_tuple) < 0) {
Py_XDECREF(empty_tuple);
return -1;
}
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9 changes: 5 additions & 4 deletions Python/Python-ast.c
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