//////////////////////////////////////////////
public virtual ExpressionValue GetValue(
DynContext EvalContext,
String Name,
Boolean SeekForExtenders,
Boolean SeekForMethods,
Boolean SeekInContexts)
{
#if CASE_INSENSITIVE
Name = Name.ToUpper();
#endif
DynContext DynLanContext = EvalContext as DynContext;
if (DynLanContext == null)
{
return(null);
}
// szukanie extender'a
if (SeekForExtenders)
{
ExpressionExtenderInfo extender = BuildinExtenders.FindByName(Name);
if (extender != null)
{
return(new ExpressionValue(extender));
}
}
if (SeekInContexts)
{
// szukanie zmiennej w lokalnym kontekście
if (DynLanContext.CurrentState != DynLanContext.GlobalState)
{
// szukanie zmiennej w metodach gdzie została zadeklarowana metoda
if (DynLanContext.Stack != null)
{
#if !NET20
DynLanState currentState = DynLanContext.
Stack.
LastOrDefault();
#else
DynLanState currentState = Linq2.LastOrDefault(
DynLanContext.Stack);
#endif
DynLanMethod method = currentState == null ? null :
currentState.Program as DynLanMethod;
if (method != null)
{
for (Int32 i = DynLanContext.Stack.Count - 2; i >= 0; i--)
{
DynLanState state = DynLanContext.Stack[i];
DynLanMethod thisMethod = state.Program as DynLanMethod;
DynLanObject thisObject = state.Object;
if (thisMethod == null)
{
break;
}
if (thisMethod != null &&
thisMethod.Methods != null &&
thisMethod.Methods.Contains(method))
{
if (thisObject != null &&
thisObject.Contains(Name))
{
return(new ExpressionValue(thisObject[Name]));
}
}
else
{
break;
}
method = thisMethod;
}
}
}
if (DynLanContext.CurrentState.Object != null &&
DynLanContext.CurrentState.Object.Contains(Name))
{
return(new ExpressionValue(DynLanContext.CurrentState.Object[Name]));
}
}
// szukanie zmiennej w globalnym kontekście
if (DynLanContext.GlobalState.Object != null &&
DynLanContext.GlobalState.Object.Contains(Name))
{
return(new ExpressionValue(DynLanContext.GlobalState.Object[Name]));
}
}
// przeniesione na dło aby metody i zmiennej których nazwy pokrywaja sie z globalnymi
// mobly byc używane
// szukanie metody
if (SeekForMethods)
{
ExpressionMethodInfo method = BuildinMethods.FindByName(Name);
if (method != null)
{
return(new ExpressionValue(method));
}
}
/*for (var i = DynLanContext.Stack.IndexOf(DynLanContext.Current); i >= 0; i--)
* {
* DynLanState context = DynLanContext.Stack[i];
*
* if ((context == DynLanContext.Current || context.ContextType == DynLanContextType.GLOBAL) &&
* context.Object != null &&
* context.Object.Contains(Name))
* {
* return new ExpressionValue(context.Object[Name]);
* }
* }*/
// szukanie po globalnych zmiennych
/*if (DynLanContext.GlobalContext.ContextType == DynLanContextType.GLOBAL)
* {
* if (DynLanContext.GlobalContext.Object.Contains(Name))
* return new ExpressionValue(DynLanContext.GlobalContext.Object[Name]);
* }*/
return(null);
}
//////////////////////////////////////////////
public virtual ExpressionValue GetValue(
PainContext EvalContext,
String Name,
Boolean SeekForExtenders,
Boolean SeekForMethods,
Boolean SeekInContexts)
{
Name = Name.ToUpper();
PainContext painContext = EvalContext as PainContext;
if (painContext == null)
{
return(null);
}
// szukanie extender'a
if (SeekForExtenders)
{
ExpressionExtenderInfo extender = BuildinExtenders.FindByName(Name);
if (extender != null)
{
return(new ExpressionValue(extender));
}
}
// szukanie metody
if (SeekForMethods)
{
ExpressionMethodInfo method = BuildinMethods.FindByName(Name);
if (method != null)
{
return(new ExpressionValue(method));
}
}
if (SeekInContexts)
{
// szukanie po innych zmiennych
if (painContext.CurrentState != painContext.GlobalState)
{
if (painContext.CurrentState.Object != null &&
painContext.CurrentState.Object.Contains(Name))
{
return(new ExpressionValue(painContext.CurrentState.Object[Name]));
}
}
if (painContext.GlobalState.Object != null &&
painContext.GlobalState.Object.Contains(Name))
{
return(new ExpressionValue(painContext.GlobalState.Object[Name]));
}
}
/*for (var i = painContext.Stack.IndexOf(painContext.Current); i >= 0; i--)
* {
* PainState context = painContext.Stack[i];
*
* if ((context == painContext.Current || context.ContextType == PainContextType.GLOBAL) &&
* context.Object != null &&
* context.Object.Contains(Name))
* {
* return new ExpressionValue(context.Object[Name]);
* }
* }*/
// szukanie po globalnych zmiennych
/*if (painContext.GlobalContext.ContextType == PainContextType.GLOBAL)
* {
* if (painContext.GlobalContext.Object.Contains(Name))
* return new ExpressionValue(painContext.GlobalContext.Object[Name]);
* }*/
return(null);
}
private static ExpressionMethodResult EvaluateInlineMethod(
Object Object,
Object Method,
IList <Object> MethodParameters,
DynLanContext DynLanContext)
{
if (Method is OnpMethodInfo)
{
OnpMethodInfo methodInfo = Method as OnpMethodInfo;
DynamicCallResult callResult = MyReflectionHelper.CallMethod(
methodInfo.Obj,
methodInfo.MethodName,
CorrectParameters(MethodParameters));
if (callResult != null)
{
return(new ExpressionMethodResult(callResult.Value));
}
}
else if (Method is OnpActionMethodInfo)
{
OnpActionMethodInfo methodInfo = Method as OnpActionMethodInfo;
if (methodInfo != null && methodInfo.Action != null)
{
return(new ExpressionMethodResult(methodInfo.Action(CorrectParameters(MethodParameters))));
}
}
else if (Method is ExpressionMethod)
{
ExpressionMethod onpMethod = Method as ExpressionMethod;
ExpressionMethodResult result = null;
if (Object is EmptyObject)
{
result = onpMethod.
CalculateValueDelegate(
DynLanContext,
CorrectParameters(MethodParameters));
}
else
{
#if !NET20
var tmp = new[] { Object }.Union(MethodParameters);
#else
var tmp = Linq2.From(new[] { Object }).Union(MethodParameters).ToArray();
#endif
result = onpMethod.
CalculateValueDelegate(
DynLanContext,
CorrectParameters(tmp));
}
return(result == null ?
new ExpressionMethodResult(null) :
result);
}
else if (Method is ExpressionMethodInfo)
{
ExpressionMethodInfo onpMethodInfo = Method as ExpressionMethodInfo;
ExpressionMethod onpMethod = BuildinMethods.GetByID(onpMethodInfo.ID);
ExpressionMethodResult result = null;
if (onpMethod == null)
{
return(new ExpressionMethodResult(result));
}
if (Object is EmptyObject)
{
result = onpMethod.
CalculateValueDelegate(
DynLanContext,
CorrectParameters(MethodParameters));
}
else
{
#if !NET20
var tmp = new[] { Object }.Union(MethodParameters);
#else
var tmp = Linq2.From(new[] { Object }).Union(MethodParameters).ToArray();
#endif
result = onpMethod.
CalculateValueDelegate(
DynLanContext,
CorrectParameters(tmp));
}
if (result != null)
{
result.Value = InternalTypeConverter.ToInner(result.Value);
}
return(result == null ?
new ExpressionMethodResult(null) :
result);
}
else if (Method is ExpressionExtender)
{
ExpressionExtender onpExtender = Method as ExpressionExtender;
return(new ExpressionMethodResult(
onpExtender.
CalculateValueDelegate(
DynLanContext,
Object,
MethodParameters)));
}
else if (Method is ExpressionExtenderInfo)
{
ExpressionExtenderInfo onpExtenderInfo = Method as ExpressionExtenderInfo;
ExpressionExtender onpExtender = BuildinExtenders.GetByID(onpExtenderInfo.ID);
if (onpExtender == null)
{
return(new ExpressionMethodResult(null));
}
return(new ExpressionMethodResult(
onpExtender.
CalculateValueDelegate(
DynLanContext,
Object,
MethodParameters)));
}
else if (Method is Delegate)
{
#if NETCE
throw new NotSupportedException("Calling delegates is forbidden on wince2.0!");
#else
Delegate m = Method as Delegate;
DynamicCallResult callResult = MyReflectionHelper.CallMethod(
m.Target,
m.Method,
CorrectParameters(MethodParameters));
if (callResult != null)
{
return(new ExpressionMethodResult(callResult.Value));
}
#endif
}
if (Method == null)
{
if (Object == null)
{
throw new DynLanMethodNotFoundException("Cannot find a method to call");
}
else
{
throw new DynLanMethodNotFoundException("Cannot find a method to call in object " + Object.GetType().Name + "");
}
}
throw new DynLanUnsupportedMethodTypeException("Unsupported method type " + Method.GetType() + "!");
}
private static ExpressionMethodResult EvaluateInlineMethod(
Object Object,
Object Method,
IList <Object> MethodParameters,
PainContext PainContext)
{
if (Method is OnpMethodInfo)
{
OnpMethodInfo methodInfo = Method as OnpMethodInfo;
DynamicCallResult callResult = MyReflectionHelper.CallMethod(
methodInfo.Obj,
methodInfo.Name,
MethodParameters);
if (callResult != null)
{
return(new ExpressionMethodResult(callResult.Value));
}
}
else if (Method is ExpressionMethod)
{
ExpressionMethod onpMethod = Method as ExpressionMethod;
ExpressionMethodResult result = null;
if (Object is EmptyObject)
{
result = onpMethod.
CalculateValueDelegate(
PainContext,
MethodParameters);
}
else
{
result = onpMethod.
CalculateValueDelegate(
PainContext,
new[] { Object }.Union(MethodParameters).ToArray());
}
return(result == null ?
new ExpressionMethodResult(null) :
result);
}
else if (Method is ExpressionMethodInfo)
{
ExpressionMethodInfo onpMethodInfo = Method as ExpressionMethodInfo;
ExpressionMethod onpMethod = BuildinMethods.GetByID(onpMethodInfo.ID);
ExpressionMethodResult result = null;
if (onpMethod == null)
{
return(new ExpressionMethodResult(result));
}
if (Object is EmptyObject)
{
result = onpMethod.
CalculateValueDelegate(
PainContext,
MethodParameters);
}
else
{
result = onpMethod.
CalculateValueDelegate(
PainContext,
new[] { Object }.Union(MethodParameters).ToArray());
}
return(result == null ?
new ExpressionMethodResult(null) :
result);
}
else if (Method is ExpressionExtender)
{
ExpressionExtender onpExtender = Method as ExpressionExtender;
return(new ExpressionMethodResult(
onpExtender.
CalculateValueDelegate(
PainContext,
Object,
MethodParameters)));
}
else if (Method is ExpressionExtenderInfo)
{
ExpressionExtenderInfo onpExtenderInfo = Method as ExpressionExtenderInfo;
ExpressionExtender onpExtender = BuildinExtenders.GetByID(onpExtenderInfo.ID);
if (onpExtender == null)
{
return(new ExpressionMethodResult(null));
}
return(new ExpressionMethodResult(
onpExtender.
CalculateValueDelegate(
PainContext,
Object,
MethodParameters)));
}
if (Method == null)
{
if (Object == null)
{
throw new PainMethodNotFoundException("Cannot find a method to call");
}
else
{
throw new PainMethodNotFoundException("Cannot find a method to call in object " + Object.GetType().Name + "");
}
}
throw new PainUnsupportedMethodTypeException("Unsupported method type " + Method.GetType() + "!");
}