|
static private ExpressionTypeDoesNotMatchConstructorParameter ( object p0, object p1, string paramName, int index ) : |
||
| p0 | object | |
| p1 | object | |
| paramName | string | |
| index | int | |
| Результат | ||
private static Expression ValidateOneArgument(MethodBase method, ExpressionType nodeKind, Expression arg, ParameterInfo pi)
{
RequiresCanRead(arg, "arguments");
Type pType = pi.ParameterType;
if (pType.IsByRef)
{
pType = pType.GetElementType();
}
TypeUtils.ValidateType(pType);
if (!TypeUtils.AreReferenceAssignable(pType, arg.Type))
{
if (TypeUtils.IsSameOrSubclass(typeof(Expression), pType) && pType.IsAssignableFrom(arg.GetType()))
{
arg = Expression.Quote(arg);
}
else
{
// TODO: this is for LinqV1 compat, can we just have one exception?
switch (nodeKind)
{
case ExpressionType.New:
throw Error.ExpressionTypeDoesNotMatchConstructorParameter(arg.Type, pType);
case ExpressionType.Invoke:
throw Error.ExpressionTypeDoesNotMatchParameter(arg.Type, pType);
case ExpressionType.Dynamic:
case ExpressionType.Call:
throw Error.ExpressionTypeDoesNotMatchMethodParameter(arg.Type, pType, method);
default:
throw Assert.Unreachable;
}
}
}
return(arg);
}
private static void ValidateNewArgs(ConstructorInfo constructor, ref ReadOnlyCollection <Expression> arguments, ref ReadOnlyCollection <MemberInfo> members)
{
ParameterInfo[] pis;
if ((pis = constructor.GetParametersCached()).Length > 0)
{
if (arguments.Count != pis.Length)
{
throw Error.IncorrectNumberOfConstructorArguments();
}
if (arguments.Count != members.Count)
{
throw Error.IncorrectNumberOfArgumentsForMembers();
}
Expression[] newArguments = null;
MemberInfo[] newMembers = null;
for (int i = 0, n = arguments.Count; i < n; i++)
{
Expression arg = arguments[i];
RequiresCanRead(arg, nameof(arguments), i);
MemberInfo member = members[i];
ContractUtils.RequiresNotNull(member, nameof(members), i);
if (!TypeUtils.AreEquivalent(member.DeclaringType, constructor.DeclaringType))
{
throw Error.ArgumentMemberNotDeclOnType(member.Name, constructor.DeclaringType.Name, nameof(members), i);
}
Type memberType;
ValidateAnonymousTypeMember(ref member, out memberType, nameof(members), i);
if (!TypeUtils.AreReferenceAssignable(memberType, arg.Type))
{
if (!TryQuote(memberType, ref arg))
{
throw Error.ArgumentTypeDoesNotMatchMember(arg.Type, memberType, nameof(arguments), i);
}
}
ParameterInfo pi = pis[i];
Type pType = pi.ParameterType;
if (pType.IsByRef)
{
pType = pType.GetElementType();
}
if (!TypeUtils.AreReferenceAssignable(pType, arg.Type))
{
if (!TryQuote(pType, ref arg))
{
throw Error.ExpressionTypeDoesNotMatchConstructorParameter(arg.Type, pType, nameof(arguments), i);
}
}
if (newArguments == null && arg != arguments[i])
{
newArguments = new Expression[arguments.Count];
for (int j = 0; j < i; j++)
{
newArguments[j] = arguments[j];
}
}
if (newArguments != null)
{
newArguments[i] = arg;
}
if (newMembers == null && member != members[i])
{
newMembers = new MemberInfo[members.Count];
for (int j = 0; j < i; j++)
{
newMembers[j] = members[j];
}
}
if (newMembers != null)
{
newMembers[i] = member;
}
}
if (newArguments != null)
{
arguments = new TrueReadOnlyCollection <Expression>(newArguments);
}
if (newMembers != null)
{
members = new TrueReadOnlyCollection <MemberInfo>(newMembers);
}
}
else if (arguments != null && arguments.Count > 0)
{
throw Error.IncorrectNumberOfConstructorArguments();
}
else if (members != null && members.Count > 0)
{
throw Error.IncorrectNumberOfMembersForGivenConstructor();
}
}
