/// Evaluate the operation against stack
public void Eval(IEvaluationContext context, Stack <object> stack)
{
Type t = OperationHelper.ResolveType(context, _typeName);
if (t == null)
{
throw new TypeLoadException("Failed to resolve type '" + _typeName + "'");
}
stack.Push(t);
}
/// Evaluate the operation against stack
public void Eval(IEvaluationContext context, Stack <object> stack)
{
var p = stack.Pop();
Type t = OperationHelper.ResolveType(context, _typeName);
if (t == null)
{
throw new TypeLoadException("Failed to resolve type '" + _typeName + "'");
}
if (p == null)
{
stack.Push(false);
}
else
{
stack.Push(t.IsAssignableFrom(p.GetType()));
}
}
/// Evaluate the operation against stack
public void Eval(IEvaluationContext context, Stack <object> stack)
{
string typeName = _typeName;
object arrInit = null;
int pc = _paramCount;
object[] o = null;
int c = 0;
if (_isInitializerProvided)
{
arrInit = stack.Pop();
if (!(arrInit is System.Collections.IEnumerable))
{
throw new InvalidOperationException("Invalid array initializer");
}
bool empty = (typeName == "[]");
if ((arrInit is Array) && !empty)
{
c = ((Array)arrInit).Length;
}
else
{
Type tc = null;
List <object> rr = new List <object>();
foreach (var array in (arrInit as System.Collections.IEnumerable))
{
rr.Add(array);
if (empty)
{
tc = Utils.CommonBase(array, tc);
}
}
c = rr.Count;
arrInit = rr;
if (tc != null)
{
typeName = tc.FullName + "[]";
}
}
pc--;
if (pc == 0)
{
o = new object[1] {
c
}
}
;
}
if (pc > 0)
{
o = OperationHelper.PopArray(stack, pc);
}
object ret = null;
if (string.IsNullOrEmpty(typeName))
{
ret = arrInit;
}
else
{
var tn = OperationHelper.ResolveType(context, typeName);
if (tn == null)
{
throw new TypeLoadException("Failed to resolve type '" + _typeName + "'");
}
if (!tn.IsArray && _isInitializerProvided)
{
throw new InvalidOperationException("Initializers can only be provided to arrays");
}
if (!Utils.TryCreateInstance(tn, o, context.AccessPrivate, out ret))
{
throw new InvalidOperationException("Failed to create object of type '" + _typeName + "'");
}
}
if (_isInitializerProvided && !string.IsNullOrEmpty(typeName))
{
if (o != null && o.Length != 0 && (int)o[0] != c)
{
throw new InvalidOperationException("Array initializer length does not match array size");
}
var par = (Array)ret;
var elType = par.GetType().GetElementType();
c = 0;
foreach (var array in (System.Collections.IEnumerable)arrInit)
{
par.SetValue(Utils.To(elType, array), c++);
}
}
stack.Push(ret);
}