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gh-126240: handle NULL returned by _Py_asdl_expr_seq_new #126241

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Oct 31, 2024
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gh-126240: handle NULL returned by _Py_asdl_expr_seq_new #126241

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9 changes: 9 additions & 0 deletions Parser/action_helpers.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1128,6 +1128,9 @@ expr_ty _PyPegen_collect_call_seqs(Parser *p, asdl_expr_seq *a, asdl_seq *b,
}

asdl_expr_seq *args = _Py_asdl_expr_seq_new(total_len, arena);
if (args == NULL) {
return NULL;
}

Py_ssize_t i = 0;
for (i = 0; i < args_len; i++) {
Expand Down Expand Up @@ -1298,6 +1301,9 @@ unpack_top_level_joined_strs(Parser *p, asdl_expr_seq *raw_expressions)
}

asdl_expr_seq *expressions = _Py_asdl_expr_seq_new(req_size, p->arena);
if (expressions == NULL) {
return NULL;
}

Py_ssize_t raw_index, req_index = 0;
for (raw_index = 0; raw_index < raw_size; raw_index++) {
Expand Down Expand Up @@ -1490,6 +1496,9 @@ expr_ty _PyPegen_formatted_value(Parser *p, expr_ty expression, Token *debug, Re
}

asdl_expr_seq *values = _Py_asdl_expr_seq_new(2, arena);
if (values == NULL) {
return NULL;
}
asdl_seq_SET(values, 0, debug_text);
asdl_seq_SET(values, 1, formatted_value);
return _PyAST_JoinedStr(values, lineno, col_offset, debug_end_line, debug_end_offset, p->arena);
Expand Down
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