public Expression Deserialize(FormatContext context)
{
var genericArgs = context.Type.GetGenericArguments();
//new KeyValuePair<TKey, TValue>(Read(TKey), Read(TValue))
return(New(context.Type.GetConstructor(genericArgs), context.Read(genericArgs[0]), context.Read(genericArgs[1])));
}
public Expression Deserialize(FormatContext context)
{
var collection = context.Type.GetInterface("ICollection`1") ?? context.Type.GetInterface("IReadOnlyCollection`1") ?? context.Type;
var itemType = collection.GetGenericArguments()[0];
var countVar = Variable(typeof(int), "_count");
var resultVar = Variable(context.Type, "_ret");
var indexVar = Variable(typeof(int), "_idx");
var breakLabel = Label("_break");
return(Block(new[] { countVar, resultVar, indexVar },
Assign(indexVar, Constant(0)),
Assign(countVar, context.Read <int>()),
Assign(resultVar, New(context.DeserializableType ?? context.Type)),
Loop(IfThenElse(
LessThan(indexVar, countVar),
Block(
Call(Convert(resultVar, context.DeserializableType ?? collection), "Add", null, context.Read(itemType)),
PostIncrementAssign(indexVar)),
Break(breakLabel)), breakLabel),
resultVar
));
}
public Expression Deserialize(FormatContext context)
{
var t = context.Type;
var arrType = t.IsArray ? t.GetElementType() : t.GetGenericArguments()[0];
var indexVar = Variable(typeof(int), "_idx");
var arrLengthVar = Variable(typeof(int), "_len");
var resultVar = Variable(t, "_ret"); //t is an array type
var breakLabel = Label("_break");
//i = 0;
//length = msg.ReadInt32();
//result = new T[length];
//
//while (true)
//{
// if (index < length)
// {
// result[i] = Read(T);
// i++;
// }
// else
// {
// break;
// }
//}
return(Block(new[] { indexVar, arrLengthVar, resultVar },
Assign(indexVar, Constant(0)),
Assign(arrLengthVar, context.Read <int>()),
Assign(resultVar, t.IsArray ? (Expression)NewArrayBounds(arrType, arrLengthVar) : New(t)),
Loop(IfThenElse(
LessThan(indexVar, arrLengthVar),
Block(
t.IsArray
? (Expression)Assign(ArrayAccess(resultVar, indexVar), context.Read(arrType))
: Call(resultVar, "Add", null, context.Read(arrType)),
PostIncrementAssign(indexVar)),
Break(breakLabel)), breakLabel),
resultVar));
}
public Expression Deserialize(FormatContext context)
{
return(Expression.New(
typeof(Guid).GetConstructor(BindingFlags.Public | BindingFlags.Instance, null, new[] { typeof(byte[]) }, null),
context.Read <byte[]>()));
}
public Expression Deserialize(FormatContext context)
{
var enumType = context.Type.GetEnumUnderlyingType();
return(Convert(context.Read(enumType), context.Type));
}
public Expression Deserialize(FormatContext context)
{
var genericArgs = context.Type.GetGenericArguments();
//new ValueTuple<T1, T2, ..., T3>(Read(T1), Read(T2), ..., Read(TN))
return(New(context.Type.GetConstructor(genericArgs), genericArgs.Select(o => context.Read(o))));
}