mirror of https://github.com/python/cpython
bpo-35879: Fix type comment leaks (GH-11728)
* Fix leak for # type: ignore * Fix the type comment leak
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@ -330,6 +330,7 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
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}
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if (type == TYPE_IGNORE) {
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PyObject_FREE(str);
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if (!growable_int_array_add(&type_ignores, tok->lineno)) {
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err_ret->error = E_NOMEM;
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break;
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11
Python/ast.c
11
Python/ast.c
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@ -699,11 +699,16 @@ ast_error(struct compiling *c, const node *n, const char *errmsg, ...)
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*/
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static string
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new_type_comment(const char *s)
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new_type_comment(const char *s, struct compiling *c)
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{
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return PyUnicode_DecodeUTF8(s, strlen(s), NULL);
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PyObject *res = PyUnicode_DecodeUTF8(s, strlen(s), NULL);
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if (PyArena_AddPyObject(c->c_arena, res) < 0) {
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Py_DECREF(res);
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return NULL;
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}
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return res;
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}
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#define NEW_TYPE_COMMENT(n) new_type_comment(STR(n))
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#define NEW_TYPE_COMMENT(n) new_type_comment(STR(n), c)
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static int
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num_stmts(const node *n)
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