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Issue #1894 - Part 2: Implement support for nullish coalescing in the JS parser

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Based on https://bugzilla.mozilla.org/show_bug.cgi?id=1566141
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FranklinDM 2022-05-16 01:33:50 +08:00 • committed by roytam1
commit d7cdeaf313
8 changed files with 119 additions and 44 deletions
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6
js/src/frontend/TokenStream.cpp
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@ -1260,8 +1260,8 @@ enum FirstCharKind {
LastCharKind = Other
};
// OneChar: 40, 41, 44, 58, 59, 63, 91, 93, 123, 125, 126:
// '(', ')', ',', ':', ';', '?', '[', ']', '{', '}', '~'
// OneChar: 40, 41, 44, 58, 59, 91, 93, 123, 125, 126:
// '(', ')', ',', ':', ';', '[', ']', '{', '}', '~'
// Ident: 36, 65..90, 95, 97..122: '$', 'A'..'Z', '_', 'a'..'z'
// Dot: 46: '.'
// Equals: 61: '='
@ -1811,7 +1811,7 @@ TokenStream::getTokenInternal(TokenKind* ttp, Modifier modifier)
tp->type = TOK_OPTCHAIN;
}
} else {
tp->type = TOK_HOOK;
tp->type = matchChar('?') ? TOK_COALESCE : TOK_HOOK;
}
goto out;