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LibJS: Implement logical assignment operators (&&=, ||=, ??=)

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TC39 proposal, stage 4 as of 2020-07.
https://tc39.es/proposal-logical-assignment/
This commit is contained in:
Linus Groh 2020-10-05 16:49:43 +01:00 • committed by Andreas Kling
parent d8d00d3ac7
commit aa71dae03c
6 changed files with 108 additions and 6 deletions
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3
Libraries/LibJS/Lexer.cpp
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@ -89,6 +89,9 @@ Lexer::Lexer(StringView source)
s_three_char_tokens.set("**=", TokenType::DoubleAsteriskEquals);
s_three_char_tokens.set("<<=", TokenType::ShiftLeftEquals);
s_three_char_tokens.set(">>=", TokenType::ShiftRightEquals);
s_three_char_tokens.set("&&=", TokenType::DoubleAmpersandEquals);
s_three_char_tokens.set("||=", TokenType::DoublePipeEquals);
s_three_char_tokens.set("\?\?=", TokenType::DoubleQuestionMarkEquals);
s_three_char_tokens.set(">>>", TokenType::UnsignedShiftRight);
s_three_char_tokens.set("...", TokenType::TripleDot);
}