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LibJS: Move 'typeof' string functionality from AST to Value

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We should be able to get the 'typeof' string for any value directly, so
this is now a standalone Value::typeof() method instead of being part of
UnaryExpression::execute().
This commit is contained in:
Linus Groh 2021-04-02 20:33:03 +02:00 • committed by Andreas Kling
parent dc6db819f9
commit d6cffb82a2
3 changed files with 31 additions and 30 deletions
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31
Userland/Libraries/LibJS/AST.cpp
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@ -719,34 +719,7 @@ Value UnaryExpression::execute(Interpreter& interpreter, GlobalObject& global_ob
case UnaryOp::Minus:
return unary_minus(global_object, lhs_result);
case UnaryOp::Typeof:
switch (lhs_result.type()) {
case Value::Type::Empty:
VERIFY_NOT_REACHED();
return {};
case Value::Type::Undefined:
return js_string(vm, "undefined");
case Value::Type::Null:
// yes, this is on purpose. yes, this is how javascript works.
// yes, it's silly.
return js_string(vm, "object");
case Value::Type::Int32:
case Value::Type::Double:
return js_string(vm, "number");
case Value::Type::String:
return js_string(vm, "string");
case Value::Type::Object:
if (lhs_result.is_function())
return js_string(vm, "function");
return js_string(vm, "object");
case Value::Type::Boolean:
return js_string(vm, "boolean");
case Value::Type::Symbol:
return js_string(vm, "symbol");
case Value::Type::BigInt:
return js_string(vm, "bigint");
default:
VERIFY_NOT_REACHED();
}
return js_string(vm, lhs_result.typeof());
case UnaryOp::Void:
return js_undefined();
case UnaryOp::Delete:
@ -1430,9 +1403,9 @@ Value AssignmentExpression::execute(Interpreter& interpreter, GlobalObject& glob
}
reference.put(global_object, rhs_result);
if (interpreter.exception())
return {};
return rhs_result;
}