internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeMethodInvokeExpression expression2 = (CodeMethodInvokeExpression)expression;
CodeExpression targetObject = expression2.Method.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RuleMethodInvokeExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RuleMethodInvokeExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
MethodInfo methodInfo = info2.MethodInfo;
List <CodeExpression> attributedExprs = new List <CodeExpression>();
analysis.AnalyzeRuleAttributes(methodInfo, targetObject, qualifier, expression2.Parameters, methodInfo.GetParameters(), attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, true, false, null);
}
for (int i = 0; i < expression2.Parameters.Count; i++)
{
CodeExpression item = expression2.Parameters[i];
if (!attributedExprs.Contains(item))
{
RuleExpressionWalker.AnalyzeUsage(analysis, item, true, false, null);
}
}
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
Type expressionType = null;
RuleMethodInvokeExpressionInfo info = null;
ValidationError item = null;
BindingFlags @public = BindingFlags.Public;
CodeMethodInvokeExpression newParent = (CodeMethodInvokeExpression)expression;
if (isWritten)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CannotWriteToExpression, new object[] { typeof(CodeMethodInvokeExpression).ToString() }), 0x17a);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
if ((newParent.Method == null) || (newParent.Method.TargetObject == null))
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullMethodTarget, new object[] { newParent.Method.MethodName }), 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
if ((newParent.Method.TypeArguments != null) && (newParent.Method.TypeArguments.Count > 0))
{
item = new ValidationError(Messages.GenericMethodsNotSupported, 0x548);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
try
{
if (!validation.PushParentExpression(newParent))
{
return(null);
}
RuleExpressionInfo info2 = RuleExpressionWalker.Validate(validation, newParent.Method.TargetObject, false);
if (info2 == null)
{
return(null);
}
expressionType = info2.ExpressionType;
if (expressionType == null)
{
return(null);
}
if (expressionType == typeof(NullLiteral))
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullMethodTarget, new object[] { newParent.Method.MethodName }), 0x546);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
expressionType = null;
}
List <CodeExpression> argumentExprs = new List <CodeExpression>();
bool flag = false;
if (newParent.Parameters != null)
{
for (int i = 0; i < newParent.Parameters.Count; i++)
{
CodeExpression expression3 = newParent.Parameters[i];
if (expression3 == null)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullMethodParameter, new object[] { i.ToString(CultureInfo.CurrentCulture), newParent.Method.MethodName }), 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
expressionType = null;
}
else
{
if (expression3 is CodeTypeReferenceExpression)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CodeExpressionNotHandled, new object[] { expression3.GetType().FullName }), 0x548);
item.UserData["ErrorObject"] = expression3;
validation.AddError(item);
flag = true;
}
if (RuleExpressionWalker.Validate(validation, expression3, false) == null)
{
flag = true;
}
argumentExprs.Add(expression3);
}
}
}
if (expressionType == null)
{
return(null);
}
if (flag)
{
return(null);
}
if (newParent.Method.TargetObject is CodeTypeReferenceExpression)
{
@public |= BindingFlags.FlattenHierarchy | BindingFlags.Static;
}
else
{
@public |= BindingFlags.Instance;
}
if (validation.AllowInternalMembers(expressionType))
{
@public |= BindingFlags.NonPublic;
}
info = validation.ResolveMethod(expressionType, newParent.Method.MethodName, @public, argumentExprs, out item);
if ((info == null) && newParent.UserData.Contains("QualifiedName"))
{
string qualifiedName = newParent.UserData["QualifiedName"] as string;
Type type2 = validation.ResolveType(qualifiedName);
if (type2 != null)
{
validation.DetermineExtensionMethods(type2.Assembly);
info = validation.ResolveMethod(expressionType, newParent.Method.MethodName, @public, argumentExprs, out item);
}
}
if (info == null)
{
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
}
finally
{
validation.PopParentExpression();
}
MethodInfo methodInfo = info.MethodInfo;
if (methodInfo.ReturnType == null)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CouldNotDetermineMemberType, new object[] { newParent.Method.MethodName }), 0x194);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
if (!validation.ValidateMemberAccess(newParent.Method.TargetObject, expressionType, methodInfo, newParent.Method.MethodName, newParent))
{
return(null);
}
object[] customAttributes = methodInfo.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length > 0))
{
Stack <MemberInfo> stack = new Stack <MemberInfo>();
stack.Push(methodInfo);
bool flag2 = true;
foreach (RuleAttribute attribute in customAttributes)
{
if (!attribute.Validate(validation, methodInfo, expressionType, methodInfo.GetParameters()))
{
flag2 = false;
}
}
stack.Pop();
if (!flag2)
{
return(null);
}
}
if (methodInfo is ExtensionMethodInfo)
{
newParent.UserData["QualifiedName"] = methodInfo.DeclaringType.AssemblyQualifiedName;
}
return(info);
}
internal override RuleExpressionResult Evaluate(CodeExpression expression, RuleExecution execution)
{
object obj3;
CodeMethodInvokeExpression expression2 = (CodeMethodInvokeExpression)expression;
object obj2 = RuleExpressionWalker.Evaluate(execution, expression2.Method.TargetObject).Value;
RuleMethodInvokeExpressionInfo info = execution.Validation.ExpressionInfo(expression2) as RuleMethodInvokeExpressionInfo;
if (info == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = expression2;
throw exception;
}
MethodInfo methodInfo = info.MethodInfo;
if (!methodInfo.IsStatic && (obj2 == null))
{
RuleEvaluationException exception2 = new RuleEvaluationException(string.Format(CultureInfo.CurrentCulture, Messages.TargetEvaluatedNullMethod, new object[] { expression2.Method.MethodName }));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
object[] parameters = null;
RuleExpressionResult[] resultArray = null;
if ((expression2.Parameters != null) && (expression2.Parameters.Count > 0))
{
int count = expression2.Parameters.Count;
ParameterInfo[] infoArray = methodInfo.GetParameters();
parameters = new object[infoArray.Length];
int length = infoArray.Length;
if (info.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[expression2.Parameters.Count];
}
resultArray[index] = result;
if (expression3.Direction != FieldDirection.Out)
{
parameters[index] = Executor.AdjustType(expressionType, result.Value, infoArray[index].ParameterType);
}
}
else
{
parameters[index] = Executor.AdjustType(expressionType, result.Value, infoArray[index].ParameterType);
}
index++;
}
if (length < count)
{
ParameterInfo info3 = infoArray[length];
Type parameterType = info3.ParameterType;
Type elementType = parameterType.GetElementType();
Array array = (Array)parameterType.InvokeMember(parameterType.Name, BindingFlags.CreateInstance, null, null, new object[] { count - index }, CultureInfo.CurrentCulture);
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
{
obj3 = methodInfo.Invoke(obj2, parameters);
}
catch (TargetInvocationException exception3)
{
if (exception3.InnerException == null)
{
throw;
}
throw new TargetInvocationException(string.Format(CultureInfo.CurrentCulture, Messages.Error_MethodInvoke, new object[] { RuleDecompiler.DecompileType(methodInfo.ReflectedType), methodInfo.Name, 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(obj3));
}
