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LibJS: Implement unary plus / minus

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This commit is contained in:
Linus Groh 2020-04-02 17:58:39 +01:00 • committed by Andreas Kling
parent 5e6e1fd482
commit a62230770b
9 changed files with 73 additions and 25 deletions
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10
Libraries/LibJS/AST.cpp
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@ -303,6 +303,10 @@ Value UnaryExpression::execute(Interpreter& interpreter) const
return bitwise_not(lhs_result);
case UnaryOp::Not:
return Value(!lhs_result.to_boolean());
case UnaryOp::Plus:
return unary_plus(lhs_result);
case UnaryOp::Minus:
return unary_minus(lhs_result);
case UnaryOp::Typeof:
switch (lhs_result.type()) {
case Value::Type::Undefined:
@ -442,6 +446,12 @@ void UnaryExpression::dump(int indent) const
case UnaryOp::Not:
op_string = "!";
break;
case UnaryOp::Plus:
op_string = "+";
break;
case UnaryOp::Minus:
op_string = "-";
break;
case UnaryOp::Typeof:
op_string = "typeof ";
break;