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gh-108179: Add error message for parser stack overflows (#108256)

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Dennis Sweeney 2023-08-22 03:41:50 -04:00 • committed by GitHub
parent 7f87ebbc3f
commit 86617518c4
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5 changed files with 542 additions and 1063 deletions
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1590
Parser/parser.c generated
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2
Parser/pegen.h
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@ -166,6 +166,8 @@ void *_PyPegen_raise_error_known_location(Parser *p, PyObject *errtype,
Py_ssize_t end_lineno, Py_ssize_t end_col_offset,
const char *errmsg, va_list va);
void _Pypegen_set_syntax_error(Parser* p, Token* last_token);
void _Pypegen_stack_overflow(Parser *p);
Py_LOCAL_INLINE(void *)
RAISE_ERROR_KNOWN_LOCATION(Parser *p, PyObject *errtype,
Py_ssize_t lineno, Py_ssize_t col_offset,

8
Parser/pegen_errors.c
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@ -454,3 +454,11 @@ _Pypegen_set_syntax_error(Parser* p, Token* last_token) {
// generic SyntaxError we just raised if errors are found.
_PyPegen_tokenize_full_source_to_check_for_errors(p);
}
void
_Pypegen_stack_overflow(Parser *p)
{
p->error_indicator = 1;
PyErr_SetString(PyExc_MemoryError,
"Parser stack overflowed - Python source too complex to parse");
}