internal override RuleExpressionResult Evaluate(CodeExpression expression, RuleExecution execution)
{
object obj2;
CodeObjectCreateExpression expression2 = (CodeObjectCreateExpression)expression;
if (expression2.CreateType == null)
{
RuleEvaluationException exception = new RuleEvaluationException(Messages.NullTypeType);
exception.Data["ErrorObject"] = expression2;
throw exception;
}
RuleExpressionInfo info = execution.Validation.ExpressionInfo(expression2);
if (info == null)
{
InvalidOperationException exception2 = new InvalidOperationException(Messages.ExpressionNotValidated);
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
RuleConstructorExpressionInfo info2 = info as RuleConstructorExpressionInfo;
if (info2 == null)
{
return(new RuleLiteralResult(Activator.CreateInstance(info.ExpressionType)));
}
ConstructorInfo constructorInfo = info2.ConstructorInfo;
object[] parameters = null;
RuleExpressionResult[] resultArray = null;
if ((expression2.Parameters != null) && (expression2.Parameters.Count > 0))
{
int count = expression2.Parameters.Count;
ParameterInfo[] infoArray = constructorInfo.GetParameters();
parameters = new object[infoArray.Length];
int length = infoArray.Length;
if (info2.NeedsParamsExpansion)
{
length--;
}
int index = 0;
while (index < length)
{
Type expressionType = execution.Validation.ExpressionInfo(expression2.Parameters[index]).ExpressionType;
RuleExpressionResult result = RuleExpressionWalker.Evaluate(execution, expression2.Parameters[index]);
CodeDirectionExpression expression3 = expression2.Parameters[index] as CodeDirectionExpression;
if ((expression3 != null) && ((expression3.Direction == FieldDirection.Ref) || (expression3.Direction == FieldDirection.Out)))
{
if (resultArray == null)
{
resultArray = new RuleExpressionResult[count];
}
resultArray[index] = result;
}
parameters[index] = Executor.AdjustType(expressionType, result.Value, infoArray[index].ParameterType);
index++;
}
if (length < count)
{
ParameterInfo info4 = infoArray[length];
Type elementType = info4.ParameterType.GetElementType();
Array array = Array.CreateInstance(elementType, (int)(count - index));
while (index < count)
{
Type operandType = execution.Validation.ExpressionInfo(expression2.Parameters[index]).ExpressionType;
RuleExpressionResult result2 = RuleExpressionWalker.Evaluate(execution, expression2.Parameters[index]);
array.SetValue(Executor.AdjustType(operandType, result2.Value, elementType), (int)(index - length));
index++;
}
parameters[length] = array;
}
}
try
{
obj2 = constructorInfo.Invoke(parameters);
}
catch (TargetInvocationException exception3)
{
if (exception3.InnerException == null)
{
throw;
}
throw new TargetInvocationException(string.Format(CultureInfo.CurrentCulture, Messages.Error_ConstructorInvoke, new object[] { RuleDecompiler.DecompileType(info2.ExpressionType), exception3.InnerException.Message }), exception3.InnerException);
}
if (resultArray != null)
{
for (int i = 0; i < expression2.Parameters.Count; i++)
{
if (resultArray[i] != null)
{
resultArray[i].Value = parameters[i];
}
}
}
return(new RuleLiteralResult(obj2));
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
ValidationError error;
CodeObjectCreateExpression newParent = (CodeObjectCreateExpression)expression;
if (isWritten)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CannotWriteToExpression, new object[] { typeof(CodeObjectCreateExpression).ToString() }), 0x17a);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return(null);
}
if (newParent.CreateType == null)
{
error = new ValidationError(Messages.NullTypeType, 0x53d);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return(null);
}
Type type = validation.ResolveType(newParent.CreateType);
if (type == null)
{
return(null);
}
List <CodeExpression> argumentExprs = new List <CodeExpression>();
try
{
if (!validation.PushParentExpression(newParent))
{
return(null);
}
bool flag = false;
for (int i = 0; i < newParent.Parameters.Count; i++)
{
CodeExpression expression3 = newParent.Parameters[i];
if (expression3 == null)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullConstructorParameter, new object[] { i.ToString(CultureInfo.CurrentCulture), RuleDecompiler.DecompileType(type) }), 0x53d);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
flag = true;
}
else
{
if (RuleExpressionWalker.Validate(validation, expression3, false) == null)
{
flag = true;
}
argumentExprs.Add(expression3);
}
}
if (flag)
{
return(null);
}
}
finally
{
validation.PopParentExpression();
}
BindingFlags constructorBindingFlags = BindingFlags.Public | BindingFlags.Instance;
if (validation.AllowInternalMembers(type))
{
constructorBindingFlags |= BindingFlags.NonPublic;
}
if (type.IsValueType && (argumentExprs.Count == 0))
{
return(new RuleExpressionInfo(type));
}
if (type.IsAbstract)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, new object[] { RuleDecompiler.DecompileType(type) }), 0x137);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return(null);
}
RuleConstructorExpressionInfo info2 = validation.ResolveConstructor(type, constructorBindingFlags, argumentExprs, out error);
if (info2 == null)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, new object[] { RuleDecompiler.DecompileType(type) }), 0x137);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return(null);
}
return(info2);
}