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[ruby/prism] Improve error handling for missing parentheses after 'not' in command calls

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d9151b8a82
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ydah 2025-07-07 19:06:26 +09:00 • committed by git
parent 4cf85fe214
commit 4eb0a6cd4d
4 changed files with 20 additions and 4 deletions
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11
prism/prism.c
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@ -19775,8 +19775,17 @@ parse_expression_prefix(pm_parser_t *parser, pm_binding_power_t binding_power, b
pm_arguments_t arguments = { 0 };
pm_node_t *receiver = NULL;
// If we do not accept a command call, then we also do not accept a
// not without parentheses. In this case we need to reject this
// syntax.
if (!accepts_command_call && !match1(parser, PM_TOKEN_PARENTHESIS_LEFT)) {
pm_parser_err_current(parser, PM_ERR_EXPECT_LPAREN_AFTER_NOT);
if (match1(parser, PM_TOKEN_PARENTHESIS_LEFT_PARENTHESES)) {
pm_parser_err(parser, parser->previous.end, parser->previous.end + 1, PM_ERR_EXPECT_LPAREN_AFTER_NOT_LPAREN);
} else {
accept1(parser, PM_TOKEN_NEWLINE);
pm_parser_err_current(parser, PM_ERR_EXPECT_LPAREN_AFTER_NOT_OTHER);
}
return (pm_node_t *) pm_missing_node_create(parser, parser->current.start, parser->current.end);
}