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bpo-44335: Fix a regression when identifying invalid characters in syntax errors (GH-26589)
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@ -211,6 +211,7 @@ def testSyntaxErrorOffset(self):
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check('lambda x: x = 2', 1, 1)
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check('f{a + b + c}', 1, 2)
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check('[file for str(file) in []\n])', 2, 2)
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check('a = « hello » « world »', 1, 5)
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check('[\nfile\nfor str(file)\nin\n[]\n]', 3, 5)
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check('[file for\n str(file) in []]', 2, 2)
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check("ages = {'Alice'=22, 'Bob'=23}", 1, 16)
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@ -0,0 +1,2 @@
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Fix a regression when identifying incorrect characters in syntax errors.
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Patch by Pablo Galindo
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@ -1288,7 +1288,9 @@ _PyPegen_run_parser(Parser *p)
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reset_parser_state(p);
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_PyPegen_parse(p);
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if (PyErr_Occurred()) {
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if (PyErr_ExceptionMatches(PyExc_SyntaxError)) {
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// Prioritize tokenizer errors to custom syntax errors raised
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// on the second phase only if the errors come from the parser.
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if (p->tok->done != E_ERROR && PyErr_ExceptionMatches(PyExc_SyntaxError)) {
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_PyPegen_check_tokenizer_errors(p);
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}
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return NULL;
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