mirror of https://github.com/python/cpython
gh-113602: Bail out when the parser tries to override existing errors (#113607)
Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
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@ -2360,6 +2360,8 @@ func(
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"""
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self._check_error(code, "parenthesis '\\)' does not match opening parenthesis '\\['")
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self._check_error("match y:\n case e(e=v,v,", " was never closed")
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# Examples with dencodings
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s = b'# coding=latin\n(aaaaaaaaaaaaaaaaa\naaaaaaaaaaa\xb5'
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self._check_error(s, r"'\(' was never closed")
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@ -0,0 +1,2 @@
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Fix an error that was causing the parser to try to overwrite existing errors
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and crashing in the process. Patch by Pablo Galindo
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@ -311,6 +311,10 @@ _PyPegen_raise_error_known_location(Parser *p, PyObject *errtype,
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Py_ssize_t end_lineno, Py_ssize_t end_col_offset,
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const char *errmsg, va_list va)
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{
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// Bail out if we already have an error set.
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if (p->error_indicator && PyErr_Occurred()) {
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return NULL;
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}
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PyObject *value = NULL;
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PyObject *errstr = NULL;
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PyObject *error_line = NULL;
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