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[Bug #20986] [Prism] Allow escaped multibyte character

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This commit is contained in:
Nobuyoshi Nakada 2024-12-27 09:01:08 +09:00
parent 4d8c9c1310
commit f226bc20f6
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GPG Key ID: 3582D74E1FEE4465
Notes: git 2024-12-27 00:32:20 +00:00 
Merged: https://github.com/ruby/ruby/pull/12477
1 changed files with 6 additions and 1 deletions
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7
prism/prism.c
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@ -9618,10 +9618,15 @@ escape_write_escape_encoded(pm_parser_t *parser, pm_buffer_t *buffer, pm_buffer_
if (width == 1) {
escape_write_byte(parser, buffer, regular_expression_buffer, flags, escape_byte(*parser->current.end++, flags));
} else if (width > 1) {
// Valid multibyte character. Just ignore escape.
pm_buffer_t *b = (flags & PM_ESCAPE_FLAG_REGEXP) ? regular_expression_buffer : buffer;
pm_buffer_append_bytes(b, parser->current.end, width);
parser->current.end += width;
} else {
// Assume the next character wasn't meant to be part of this escape
// sequence since it is invalid. Add an error and move on.
parser->current.end += width;
parser->current.end++;
pm_parser_err_current(parser, PM_ERR_ESCAPE_INVALID_CONTROL);
}
}