public void GenerateDeserialize(ILGenerator il, ILDeserializeMethodContainer ilMethods)
{
var local = il.DeclareLocal(typeof(object));
var isntIt = il.DefineLabel();
// object objVal = array[i];
ilMethods.LoadCurrentObject();
il.EmitSetLocalVariable(local);
// if (!(objVal is T))
il.EmitLoadLocalVariable(local);
il.EmitIsInstance <T>();
il.EmitShortBranchTrue(isntIt);
// if it's not a value type, we can check if it's null (since reference types can be null)
if (!_valueType)
{
// || objVal == null))
il.EmitLoadLocalVariable(local);
il.EmitShortBranchFalse(isntIt);
}
// return false;
il.EmitConstantInt(0);
il.EmitReturn();
il.MarkLabel(isntIt);
// i++;
ilMethods.AddToIndex(() => il.EmitConstantInt(1));
// result.Property = (T)objVal;
ilMethods.SetMemberValue(() =>
{
il.EmitLoadLocalVariable(local);
});
}
public void GenerateDeserialize(ILGenerator il, ILDeserializeMethodContainer ilMethods)
{
var local = il.DeclareLocal(typeof(object));
var isInst = il.DeclareLocal(typeof(T));
ilMethods.LoadCurrentObject();
il.EmitSetLocalVariable(local);
if (_valueType)
{
// value type
/*
* object local = array[i];
*
* if (local is T isBranchSet)
* {
* result.Member = isBranchSet;
* }
*/
var ifCompleted = il.DefineLabel();
// if (local is T obj4)
il.EmitLoadLocalVariable(local);
il.EmitIsInstance <T>();
il.EmitShortBranchFalse(ifCompleted);
// result.Member = (int)isBranchSet;
ilMethods.SetMemberValue(() =>
{
il.EmitLoadLocalVariable(local);
});
il.MarkLabel(ifCompleted);
// i++;
ilMethods.AddToIndex(() => il.EmitConstantInt(1));
}
else
{
// reference type
/*
* object local = array[i];
*
* if (local is T isBranchSet)
* {
* result.Member = isBranchSet;
* }
* else if (local == null)
* {
* result.Member = null;
* }
*/
var ifCompleted = il.DefineLabel();
var secondBranch = il.DefineLabel();
// if (local is T isInst)
il.EmitLoadLocalVariable(local);
il.EmitIsInstance <T>();
il.EmitDuplicate();
il.EmitSetLocalVariable(isInst);
il.EmitShortBranchFalse(secondBranch);
// result.Member = isInst;
ilMethods.SetMemberValue(() =>
{
il.EmitLoadLocalVariable(isInst);
});
il.EmitBranch(ifCompleted);
il.MarkLabel(secondBranch);
// else if (local == null)
il.EmitLoadLocalVariable(local);
il.EmitShortBranchTrue(ifCompleted);
// result.Member = null;
ilMethods.SetMemberValue(() =>
{
il.EmitLoadNull();
});
// }
il.MarkLabel(ifCompleted);
ilMethods.AddToIndex(() => il.EmitConstantInt(1));
}
}