protected override object DoEvaluate(ScriptThread thread) {
thread.CurrentNode = this; //standard prolog
object result = null;
var leftValue = _left.Evaluate(thread);
if (leftValue == null)
thread.ThrowScriptError("Target object is null.");
var type = leftValue.GetType();
var members = type.GetMember(_memberName);
if (members == null || members.Length == 0)
thread.ThrowScriptError("Member {0} not found in object of type {1}.", _memberName, type);
var member = members[0];
switch (member.MemberType) {
case MemberTypes.Property:
var propInfo = member as PropertyInfo;
result = propInfo.GetValue(leftValue, null);
break;
case MemberTypes.Field:
var fieldInfo = member as FieldInfo;
result = fieldInfo.GetValue(leftValue);
break;
case MemberTypes.Method:
result = new ClrMethodBindingTargetInfo(type, _memberName, leftValue); //this bindingInfo works as a call target
break;
default:
thread.ThrowScriptError("Invalid member type ({0}) for member {1} of type {2}.", member.MemberType, _memberName, type);
result = null;
break;
}//switch
thread.CurrentNode = Parent; //standard epilog
return result;
}
protected override object DoEvaluate(ScriptThread thread)
{
thread.CurrentNode = this; //standard prolog
object result;
var leftValue = _left.Evaluate(thread);
if (leftValue == null)
{
thread.ThrowScriptError("Target object is null.");
}
var type = leftValue.GetType();
var members = type.GetMember(_memberName);
if (members.Length == 0)
{
thread.ThrowScriptError("Member {0} not found in object of type {1}.", _memberName, type);
}
var member = members[0];
switch (member.MemberType)
{
case MemberTypes.Property:
var propInfo = (PropertyInfo)member;
result = propInfo.GetValue(leftValue, null);
break;
case MemberTypes.Field:
var fieldInfo = (FieldInfo)member;
result = fieldInfo.GetValue(leftValue);
break;
case MemberTypes.Method:
result = new ClrMethodBindingTargetInfo(type, _memberName, leftValue); //this bindingInfo works as a call target
break;
default:
thread.ThrowScriptError("Invalid member type ({0}) for member {1} of type {2}.", member.MemberType, _memberName, type);
result = null;
break;
}
thread.CurrentNode = Parent; //standard epilog
return(result);
}
