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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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7
Libraries/LibJS/Token.h
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@ -36,7 +36,6 @@ namespace JS {
__ENUMERATE_JS_TOKEN(AmpersandEquals, Operator) \
__ENUMERATE_JS_TOKEN(Arrow, Operator) \
__ENUMERATE_JS_TOKEN(Asterisk, Operator) \
__ENUMERATE_JS_TOKEN(DoubleAsteriskEquals, Operator) \
__ENUMERATE_JS_TOKEN(AsteriskEquals, Operator) \
__ENUMERATE_JS_TOKEN(Async, Keyword) \
__ENUMERATE_JS_TOKEN(Await, Keyword) \
@ -61,9 +60,13 @@ namespace JS {
__ENUMERATE_JS_TOKEN(Delete, Keyword) \
__ENUMERATE_JS_TOKEN(Do, ControlKeyword) \
__ENUMERATE_JS_TOKEN(DoubleAmpersand, Operator) \
__ENUMERATE_JS_TOKEN(DoubleAmpersandEquals, Operator) \
__ENUMERATE_JS_TOKEN(DoubleAsterisk, Operator) \
__ENUMERATE_JS_TOKEN(DoubleAsteriskEquals, Operator) \
__ENUMERATE_JS_TOKEN(DoublePipe, Operator) \
__ENUMERATE_JS_TOKEN(DoublePipeEquals, Operator) \
__ENUMERATE_JS_TOKEN(DoubleQuestionMark, Operator) \
__ENUMERATE_JS_TOKEN(DoubleQuestionMarkEquals, Operator) \
__ENUMERATE_JS_TOKEN(Else, ControlKeyword) \
__ENUMERATE_JS_TOKEN(Enum, Keyword) \
__ENUMERATE_JS_TOKEN(Eof, Invalid) \
@ -113,8 +116,8 @@ namespace JS {
__ENUMERATE_JS_TOKEN(Public, Keyword) \
__ENUMERATE_JS_TOKEN(QuestionMark, Operator) \
__ENUMERATE_JS_TOKEN(QuestionMarkPeriod, Operator) \
__ENUMERATE_JS_TOKEN(RegexLiteral, String) \
__ENUMERATE_JS_TOKEN(RegexFlags, String) \
__ENUMERATE_JS_TOKEN(RegexLiteral, String) \
__ENUMERATE_JS_TOKEN(Return, ControlKeyword) \
__ENUMERATE_JS_TOKEN(Semicolon, Punctuation) \
__ENUMERATE_JS_TOKEN(ShiftLeft, Operator) \