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bpo-29878: Add global instances of int for 0 and 1. (#852)

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This commit is contained in:
Serhiy Storchaka 2017-03-30 09:09:41 +03:00 • committed by GitHub
parent e6911a44f6
commit ba85d69a3e
18 changed files with 105 additions and 249 deletions
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19
Python/compile.c
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@ -561,7 +561,7 @@ compiler_enter_scope(struct compiler *c, identifier name,
if (u->u_ste->ste_needs_class_closure) {
/* Cook up an implicit __class__ cell. */
_Py_IDENTIFIER(__class__);
PyObject *tuple, *name, *zero;
PyObject *tuple, *name;
int res;
assert(u->u_scope_type == COMPILER_SCOPE_CLASS);
assert(PyDict_GET_SIZE(u->u_cellvars) == 0);
@ -575,15 +575,8 @@ compiler_enter_scope(struct compiler *c, identifier name,
compiler_unit_free(u);
return 0;
}
zero = PyLong_FromLong(0);
if (!zero) {
Py_DECREF(tuple);
compiler_unit_free(u);
return 0;
}
res = PyDict_SetItem(u->u_cellvars, tuple, zero);
res = PyDict_SetItem(u->u_cellvars, tuple, _PyLong_Zero);
Py_DECREF(tuple);
Py_DECREF(zero);
if (res < 0) {
compiler_unit_free(u);
return 0;
@ -2596,14 +2589,8 @@ compiler_import(struct compiler *c, stmt_ty s)
for (i = 0; i < n; i++) {
alias_ty alias = (alias_ty)asdl_seq_GET(s->v.Import.names, i);
int r;
PyObject *level;
level = PyLong_FromLong(0);
if (level == NULL)
return 0;
ADDOP_O(c, LOAD_CONST, level, consts);
Py_DECREF(level);
ADDOP_O(c, LOAD_CONST, _PyLong_Zero, consts);
ADDOP_O(c, LOAD_CONST, Py_None, consts);
ADDOP_NAME(c, IMPORT_NAME, alias->name, names);