public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
Object retVal = base.Execute(c, dsi);
if (retVal == null)
{
return(null);
}
StackValue propValue = (StackValue)retVal;
StackValue thisObject = dsi.runtime.rmem.Stack.Last();
if (StackUtils.IsValidPointer(thisObject) && StackUtils.IsReferenceType(propValue))
{
int classIndex = (int)thisObject.metaData.type;
if (classIndex != ProtoCore.DSASM.Constants.kInvalidIndex)
{
var core = dsi.runtime.Core;
int thisptr = (int)thisObject.opdata;
int idx = core.ClassTable.ClassNodes[classIndex].symbols.IndexOf(PropertyName);
StackValue oldValue = core.Heap.Heaplist[(int)thisObject.opdata].GetValue(idx, core);
if (!StackUtils.Equals(oldValue, propValue))
{
GCUtils.GCRetain(propValue, core);
core.Heap.Heaplist[thisptr].SetValue(idx, propValue);
}
}
}
return(retVal);
}
/// <summary>
/// Convert the parameters passed to the types specified in this fep
/// </summary>
/// <param name="formalParameters"></param>
/// <returns></returns>
public List <StackValue> CoerceParameters(List <StackValue> formalParameters, Core core)
{
List <StackValue> fixedUpVersions = new List <StackValue>();
for (int i = 0; i < formalParameters.Count; i++)
{
StackValue formalParam = formalParameters[i];
Type targetType = FormalParams[i];
StackValue coercedParam = TypeSystem.Coerce(formalParam, targetType, core);
GCUtils.GCRetain(coercedParam, core);
fixedUpVersions.Add(coercedParam);
}
return(fixedUpVersions);
}
public static StackValue Coerce(StackValue sv, Type targetType, Core core)
{
//@TODO(Jun): FIX ME - abort coersion for default args
if (sv.IsDefaultArgument)
{
return(sv);
}
if (!(
sv.metaData.type == targetType.UID ||
(core.ClassTable.ClassNodes[sv.metaData.type].ConvertibleTo(targetType.UID)) ||
sv.IsArray))
{
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kConversionNotPossible, ProtoCore.StringConstants.kConvertNonConvertibleTypes);
return(StackValue.Null);
}
//if it's an array
if (sv.IsArray && !targetType.IsIndexable)
{
//This is an array rank reduction
//this may only be performed in recursion and is illegal here
string errorMessage = String.Format(ProtoCore.StringConstants.kConvertArrayToNonArray, core.TypeSystem.GetType(targetType.UID));
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kConversionNotPossible, errorMessage);
return(StackValue.Null);
}
if (sv.IsArray &&
targetType.IsIndexable)
{
Validity.Assert(sv.IsArray);
//We're being asked to convert an array into an array
//walk over the structure converting each othe elements
var hpe = core.Heap.GetHeapElement(sv);
#if GC_REFERENCE_COUNTING
var isTemporary = hpe.Active && hpe.Refcount == 0;
#else
var isTemporary = false;
#endif
if (targetType.UID == (int)PrimitiveType.kTypeVar && targetType.rank == DSASM.Constants.kArbitraryRank && isTemporary)
{
return(sv);
}
//Validity.Assert(targetType.rank != -1, "Arbitrary rank array conversion not yet implemented {2EAF557F-62DE-48F0-9BFA-F750BBCDF2CB}");
//Decrease level of reductions by one
Type newTargetType = new Type();
newTargetType.UID = targetType.UID;
if (targetType.rank != Constants.kArbitraryRank)
{
newTargetType.rank = targetType.rank - 1;
}
else
{
if (ArrayUtils.GetMaxRankForArray(sv, core) == 1)
{
//Last unpacking
newTargetType.rank = 0;
}
else
{
newTargetType.rank = Constants.kArbitraryRank;
}
}
return(ArrayUtils.CopyArray(sv, newTargetType, core));
}
if (!sv.IsArray && !sv.IsNull &&
targetType.IsIndexable &&
targetType.rank != DSASM.Constants.kArbitraryRank)
{
//We're being asked to promote the value into an array
if (targetType.rank == 1)
{
Type newTargetType = new Type();
newTargetType.UID = targetType.UID;
newTargetType.Name = targetType.Name;
newTargetType.rank = 0;
//Upcast once
StackValue coercedValue = Coerce(sv, newTargetType, core);
GCUtils.GCRetain(coercedValue, core);
StackValue newSv = core.Heap.AllocateArray(new StackValue[] { coercedValue }, null);
return(newSv);
}
else
{
Validity.Assert(targetType.rank > 1, "Target rank should be greater than one for this clause");
Type newTargetType = new Type();
newTargetType.UID = targetType.UID;
newTargetType.Name = targetType.Name;
newTargetType.rank = targetType.rank - 1;
//Upcast once
StackValue coercedValue = Coerce(sv, newTargetType, core);
GCUtils.GCRetain(coercedValue, core);
StackValue newSv = core.Heap.AllocateArray(new StackValue[] { coercedValue }, null);
return(newSv);
}
}
if (sv.IsPointer)
{
StackValue ret = ClassCoerece(sv, targetType, core);
return(ret);
}
//If it's anything other than array, just create a new copy
switch (targetType.UID)
{
case (int)PrimitiveType.kInvalidType:
Validity.Assert(false, "Can't convert invalid type");
break;
case (int)PrimitiveType.kTypeBool:
return(sv.ToBoolean(core));
case (int)PrimitiveType.kTypeChar:
{
StackValue newSV = sv.ShallowClone();
newSV.metaData = new MetaData {
type = (int)PrimitiveType.kTypeChar
};
return(newSV);
}
case (int)PrimitiveType.kTypeDouble:
return(sv.ToDouble());
case (int)PrimitiveType.kTypeFunctionPointer:
if (sv.metaData.type != (int)PrimitiveType.kTypeFunctionPointer)
{
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kTypeMismatch, ProtoCore.StringConstants.kFailToConverToFunction);
return(StackValue.Null);
}
return(sv);
case (int)PrimitiveType.kTypeHostEntityID:
{
StackValue newSV = sv.ShallowClone();
newSV.metaData = new MetaData {
type = (int)PrimitiveType.kTypeHostEntityID
};
return(newSV);
}
case (int)PrimitiveType.kTypeInt:
{
if (sv.metaData.type == (int)PrimitiveType.kTypeDouble)
{
//TODO(lukechurch): Once the API is improved (MAGN-5174)
//Replace this with a log entry notification
//core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kTypeConvertionCauseInfoLoss, ProtoCore.StringConstants.kConvertDoubleToInt);
}
return(sv.ToInteger());
}
case (int)PrimitiveType.kTypeNull:
{
if (sv.metaData.type != (int)PrimitiveType.kTypeNull)
{
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kTypeMismatch, ProtoCore.StringConstants.kFailToConverToNull);
return(StackValue.Null);
}
return(sv);
}
case (int)PrimitiveType.kTypePointer:
{
if (sv.metaData.type != (int)PrimitiveType.kTypeNull)
{
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kTypeMismatch, ProtoCore.StringConstants.kFailToConverToPointer);
return(StackValue.Null);
}
return(sv);
}
case (int)PrimitiveType.kTypeString:
{
StackValue newSV = sv.ShallowClone();
newSV.metaData = new MetaData {
type = (int)PrimitiveType.kTypeString
};
if (sv.metaData.type == (int)PrimitiveType.kTypeChar)
{
char ch = EncodingUtils.ConvertInt64ToCharacter(newSV.opdata);
newSV = StackValue.BuildString(ch.ToString(), core.Heap);
}
return(newSV);
}
case (int)PrimitiveType.kTypeVar:
{
return(sv);
}
case (int)PrimitiveType.kTypeArray:
{
return(ArrayUtils.CopyArray(sv, targetType, core));
}
default:
if (sv.IsNull)
{
return(StackValue.Null);
}
else
{
throw new NotImplementedException("Requested coercion not implemented");
}
}
throw new NotImplementedException("Requested coercion not implemented");
}
public static StackValue Coerce(StackValue sv, Type targetType, Core core)
{
//@TODO(Jun): FIX ME - abort coersion for default args
if (sv.optype == AddressType.DefaultArg)
{
return(sv);
}
if (!(
(int)sv.metaData.type == targetType.UID ||
(core.DSExecutable.classTable.ClassNodes[(int)sv.metaData.type].ConvertibleTo(targetType.UID)) ||
sv.optype == AddressType.ArrayPointer))
{
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kConversionNotPossible, ProtoCore.RuntimeData.WarningMessage.kConvertNonConvertibleTypes);
return(StackUtils.BuildNull());
}
//if it's an array
if (sv.optype == AddressType.ArrayPointer && !targetType.IsIndexable && targetType.rank != DSASM.Constants.kUndefinedRank)// && targetType.UID != (int)PrimitiveType.kTypeVar)
{
//This is an array rank reduction
//this may only be performed in recursion and is illegal here
string errorMessage = String.Format(ProtoCore.RuntimeData.WarningMessage.kConvertArrayToNonArray, core.TypeSystem.GetType(targetType.UID));
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kConversionNotPossible, errorMessage);
return(StackUtils.BuildNull());
}
if (sv.optype == AddressType.ArrayPointer && targetType.IsIndexable)
{
Validity.Assert(ArrayUtils.IsArray(sv));
//We're being asked to convert an array into an array
//walk over the structure converting each othe elements
if (targetType.UID == (int)PrimitiveType.kTypeVar && targetType.rank == DSASM.Constants.kArbitraryRank && core.Heap.IsTemporaryPointer(sv))
{
return(sv);
}
HeapElement he = core.Heap.Heaplist[(int)sv.opdata];
StackValue[] newSubSVs = new StackValue[he.VisibleSize];
//Validity.Assert(targetType.rank != -1, "Arbitrary rank array conversion not yet implemented {2EAF557F-62DE-48F0-9BFA-F750BBCDF2CB}");
//Decrease level of reductions by one
Type newTargetType = new Type();
newTargetType.UID = targetType.UID;
if (targetType.rank != ProtoCore.DSASM.Constants.kArbitraryRank)
{
newTargetType.rank = targetType.rank - 1;
newTargetType.IsIndexable = newTargetType.rank > 0;
}
else
{
if (ArrayUtils.GetMaxRankForArray(sv, core) == 1)
{
//Last unpacking
newTargetType.rank = 0;
newTargetType.IsIndexable = false;
}
else
{
newTargetType.rank = ProtoCore.DSASM.Constants.kArbitraryRank;
newTargetType.IsIndexable = true;
}
}
for (int i = 0; i < he.VisibleSize; i++)
{
StackValue coercedValue = Coerce(he.Stack[i], newTargetType, core);
GCUtils.GCRetain(coercedValue, core);
newSubSVs[i] = coercedValue;
}
StackValue newSV = HeapUtils.StoreArray(newSubSVs, core);
return(newSV);
}
if (sv.optype != AddressType.ArrayPointer && sv.optype != AddressType.Null &&
targetType.IsIndexable &&
targetType.rank != DSASM.Constants.kArbitraryRank)
{
//We're being asked to promote the value into an array
if (targetType.rank == 1)
{
Type newTargetType = new Type();
newTargetType.UID = targetType.UID;
newTargetType.IsIndexable = false;
newTargetType.Name = targetType.Name;
newTargetType.rank = 0;
//Upcast once
StackValue coercedValue = Coerce(sv, newTargetType, core);
GCUtils.GCRetain(coercedValue, core);
StackValue newSv = HeapUtils.StoreArray(new StackValue[] { coercedValue }, core);
return(newSv);
}
else
{
Validity.Assert(targetType.rank > 1, "Target rank should be greater than one for this clause");
Type newTargetType = new Type();
newTargetType.UID = targetType.UID;
newTargetType.IsIndexable = true;
newTargetType.Name = targetType.Name;
newTargetType.rank = targetType.rank - 1;
//Upcast once
StackValue coercedValue = Coerce(sv, newTargetType, core);
GCUtils.GCRetain(coercedValue, core);
StackValue newSv = HeapUtils.StoreArray(new StackValue[] { coercedValue }, core);
return(newSv);
}
}
if (sv.optype == AddressType.Pointer)
{
StackValue ret = ClassCoerece(sv, targetType, core);
return(ret);
}
//If it's anything other than array, just create a new copy
switch (targetType.UID)
{
case (int)PrimitiveType.kInvalidType:
Validity.Assert(false, "Can't convert invalid type");
break;
case (int)PrimitiveType.kTypeBool:
return(sv.AsBoolean(core));
case (int)PrimitiveType.kTypeChar:
{
StackValue newSV = sv.ShallowClone();
newSV.metaData = new MetaData {
type = (int)PrimitiveType.kTypeChar
};
return(newSV);
}
case (int)PrimitiveType.kTypeDouble:
return(sv.AsDouble());
case (int)PrimitiveType.kTypeFunctionPointer:
if (sv.metaData.type != (int)PrimitiveType.kTypeFunctionPointer)
{
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kTypeMismatch, ProtoCore.RuntimeData.WarningMessage.kFailToConverToFunction);
return(StackUtils.BuildNull());
}
return(sv.ShallowClone());
case (int)PrimitiveType.kTypeHostEntityID:
{
StackValue newSV = sv.ShallowClone();
newSV.metaData = new MetaData {
type = (int)PrimitiveType.kTypeHostEntityID
};
return(newSV);
}
case (int)PrimitiveType.kTypeInt:
{
if (sv.metaData.type == (int)PrimitiveType.kTypeDouble)
{
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kTypeConvertionCauseInfoLoss, ProtoCore.RuntimeData.WarningMessage.kConvertDoubleToInt);
}
return(sv.AsInt());
}
case (int)PrimitiveType.kTypeNull:
{
if (sv.metaData.type != (int)PrimitiveType.kTypeNull)
{
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kTypeMismatch, ProtoCore.RuntimeData.WarningMessage.kFailToConverToNull);
return(StackUtils.BuildNull());
}
return(sv.ShallowClone());
}
case (int)PrimitiveType.kTypePointer:
{
if (sv.metaData.type != (int)PrimitiveType.kTypeNull)
{
core.RuntimeStatus.LogWarning(RuntimeData.WarningID.kTypeMismatch, ProtoCore.RuntimeData.WarningMessage.kFailToConverToPointer);
return(StackUtils.BuildNull());
}
StackValue ret = sv.ShallowClone();
return(ret);
}
case (int)PrimitiveType.kTypeString:
{
StackValue newSV = sv.ShallowClone();
newSV.metaData = new MetaData {
type = (int)PrimitiveType.kTypeString
};
if (sv.metaData.type == (int)PrimitiveType.kTypeChar)
{
char ch = ProtoCore.Utils.EncodingUtils.ConvertInt64ToCharacter(newSV.opdata);
newSV = StackUtils.BuildString(ch.ToString(), core.Heap);
}
return(newSV);
}
case (int)PrimitiveType.kTypeVar:
{
return(sv);
}
case (int)PrimitiveType.kTypeArray:
{
HeapElement he = core.Heap.Heaplist[(int)sv.opdata];
StackValue[] newSubSVs = new StackValue[he.VisibleSize];
for (int i = 0; i < he.VisibleSize; i++)
{
StackValue coercedValue = Coerce(he.Stack[i], targetType, core);
GCUtils.GCRetain(coercedValue, core);
newSubSVs[i] = coercedValue;
}
StackValue newSV = HeapUtils.StoreArray(newSubSVs, core);
return(newSV);
}
default:
if (sv.optype == AddressType.Null)
{
return(StackUtils.BuildNull());
}
else
{
throw new NotImplementedException("Requested coercion not implemented");
}
}
throw new NotImplementedException("Requested coercion not implemented");
}