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LibJS: Implement bitwise left shift operator (<<)

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This commit is contained in:
Linus Groh 2020-04-23 13:36:14 +01:00 • committed by Andreas Kling
parent 97366f4dd4
commit f0e7404480
7 changed files with 95 additions and 1 deletions
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9
Libraries/LibJS/AST.cpp
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@ -749,6 +749,12 @@ Value AssignmentExpression::execute(Interpreter& interpreter) const
return {};
rhs_result = div(interpreter, lhs_result, rhs_result);
break;
case AssignmentOp::LeftShiftAssignment:
lhs_result = m_lhs->execute(interpreter);
if (interpreter.exception())
return {};
rhs_result = left_shift(interpreter, lhs_result, rhs_result);
break;
}
if (interpreter.exception())
return {};
@ -816,6 +822,9 @@ void AssignmentExpression::dump(int indent) const
case AssignmentOp::DivisionAssignment:
op_string = "/=";
break;
case AssignmentOp::LeftShiftAssignment:
op_string = "<<=";
break;
}
ASTNode::dump(indent);