public void Load(DarksVMContext ctx, out ExecutionState state)
{
uint sp = ctx.Registers[DarksVMConstants.REG_SP].U4;
DarksVMSlot fieldSlot = ctx.Stack[sp--];
DarksVMSlot objSlot = ctx.Stack[sp];
var field = (FieldInfo)ctx.Instance.Data.LookupReference(fieldSlot.U4 & 0x7fffffff);
if (!field.IsStatic && objSlot.O == null)
{
throw new NullReferenceException();
}
if (!((fieldSlot.U4 & 0x80000000) != 0))
{
object instance = field.DeclaringType.IsValueType && objSlot.O is IReference
? ((IReference)objSlot.O).GetValue(ctx, PointerType.OBJECT).ToObject(field.DeclaringType)
: objSlot.ToObject(field.DeclaringType);
ctx.Stack[sp] = DarksVMSlot.FromObject(field.GetValue(instance), field.FieldType);
}
else
{
ctx.Stack[sp] = new DarksVMSlot {
O = new FieldRef(objSlot.O, field)
};
}
ctx.Stack.SetTopPosition(sp);
ctx.Registers[DarksVMConstants.REG_SP].U4 = sp;
state = ExecutionState.Next;
}
public void Load(DarksVMContext ctx, out ExecutionState state)
{
uint sp = ctx.Registers[DarksVMConstants.REG_SP].U4;
DarksVMSlot typeSlot = ctx.Stack[sp--];
DarksVMSlot valSlot = ctx.Stack[sp];
var valType = (Type)ctx.Instance.Data.LookupReference(typeSlot.U4);
switch (Type.GetTypeCode(valType))
{
case TypeCode.String when valSlot.O == null:
valSlot.O = ctx.Instance.Data.LookupString(valSlot.U4);
break;
default:
Debug.Assert(valType.IsValueType);
valSlot.O = valSlot.ToObject(valType);
break;
}
ctx.Stack[sp] = valSlot;
ctx.Stack.SetTopPosition(sp);
ctx.Registers[DarksVMConstants.REG_SP].U4 = sp;
state = ExecutionState.Next;
}
public unsafe void Load(DarksVMContext ctx, out ExecutionState state)
{
uint sp = ctx.Registers[DarksVMConstants.REG_SP].U4;
DarksVMSlot fieldSlot = ctx.Stack[sp--];
DarksVMSlot valSlot = ctx.Stack[sp--];
DarksVMSlot objSlot = ctx.Stack[sp--];
var field = (FieldInfo)ctx.Instance.Data.LookupReference(fieldSlot.U4);
if (!field.IsStatic && objSlot.O == null)
{
throw new NullReferenceException();
}
object value = Type.GetTypeCode(field.FieldType) == TypeCode.String && valSlot.O == null
? ctx.Instance.Data.LookupString(valSlot.U4)
: valSlot.ToObject(field.FieldType);
if (field.DeclaringType.IsValueType && objSlot.O is IReference)
{
TypedReference typedRef;
((IReference)objSlot.O).ToTypedReference(ctx, &typedRef, field.DeclaringType);
TypedReferenceHelpers.CastTypedRef(&typedRef, field.DeclaringType);
field.SetValueDirect(typedRef, value);
}
else
{
field.SetValue(objSlot.ToObject(field.DeclaringType), value);
}
ctx.Stack.SetTopPosition(sp);
ctx.Registers[DarksVMConstants.REG_SP].U4 = sp;
state = ExecutionState.Next;
}
private static object PopObject(DarksVMContext ctx, Type type, ref uint sp)
{
DarksVMSlot arg = ctx.Stack[sp--];
return(Type.GetTypeCode(type) == TypeCode.String && arg.O == null?ctx.Instance.Data.LookupString(arg.U4) : arg.ToObject(type));
}
