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Return early when checking logical operators (#4626)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
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Zoltan Herczeg 2021-03-11 19:35:39 +01:00 committed by GitHub
parent 8321640c4e
commit e739f11ed2
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jerry-core/parser/js/js-parser-expr.c
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@ -2937,6 +2937,13 @@ parser_check_invalid_logical_op (parser_context_t *context_p, /**< context */
parser_raise_error (context_p, PARSER_ERR_INVALID_NULLISH_COALESCING); parser_raise_error (context_p, PARSER_ERR_INVALID_NULLISH_COALESCING);
} }
/* If a logical operator is found, and there is no SyntaxError, the scan can be terminated
* since there was no SyntaxError when the logical operator was pushed onto the stack. */
if (token == LEXER_LOGICAL_OR || token == LEXER_LOGICAL_AND || token == LEXER_NULLISH_COALESCING)
{
return;
}
parser_stack_iterator_skip (&iterator, sizeof (uint8_t)); parser_stack_iterator_skip (&iterator, sizeof (uint8_t));
} }
} /* parser_check_invalid_logical_op */ } /* parser_check_invalid_logical_op */