зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1130811 - Eliminate an else-after-return when parsing ES7 array comprehensions. r=shu
--HG-- extra : rebase_source : d801e039ada40e5b8be2e5beff1e0aa2d4ba2fbf
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@ -7719,15 +7719,17 @@ Parser<ParseHandler>::arrayInitializer()
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TokenKind tt;
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if (!tokenStream.getToken(&tt, TokenStream::Operand))
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return null();
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// Handle an ES7 array comprehension first.
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if (tt == TOK_FOR)
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return arrayComprehension(begin);
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if (tt == TOK_RB) {
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/*
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* Mark empty arrays as non-constant, since we cannot easily
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* determine their type.
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*/
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handler.setListFlag(literal, PNX_NONCONST);
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} else if (tt == TOK_FOR) {
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// ES6 array comprehension.
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return arrayComprehension(begin);
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} else {
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tokenStream.ungetToken();
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