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[ruby/prism] Only call encoding_changed callback on change

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https://github.com/ruby/prism/commit/7d0bea3ce0
This commit is contained in:
Kevin Newton 2024-02-21 10:28:58 -05:00 committed by git
parent bf680af7b2
commit 2b2e61e6f9
1 changed files with 5 additions and 2 deletions
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7
prism/prism.c
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@ -6605,9 +6605,12 @@ parser_lex_magic_comment_encoding_value(pm_parser_t *parser, const uint8_t *star
const pm_encoding_t *encoding = pm_encoding_find(start, end);
if (encoding != NULL) {
parser->encoding = encoding;
if (parser->encoding != encoding) {
parser->encoding = encoding;
if (parser->encoding_changed_callback != NULL) parser->encoding_changed_callback(parser);
}
parser->encoding_changed = (encoding != PM_ENCODING_UTF_8_ENTRY);
if (parser->encoding_changed_callback != NULL) parser->encoding_changed_callback(parser);
return true;
}