protected override void DeclareAlgorithm()
{
var srClk = SignalRef.Create(_taSite._clk, SignalRef.EReferencedProperty.RisingEdge);
var lrClk = new LiteralReference(srClk);
var srEn = SignalRef.Create(_taSite._en, SignalRef.EReferencedProperty.Cur);
var lrEn = new LiteralReference(srEn);
var lr1 = LiteralReference.CreateConstant(StdLogic._1);
var cond = lrClk & (Expression.Equal(lrEn, lr1));
var srSLV = SignalRef.Create(_taSite._slvSignal, SignalRef.EReferencedProperty.Cur);
var lrSLV = new LiteralReference(srSLV);
Expression conv;
if (_taSite._port.InitialValue.GetType().Equals(typeof(StdLogicVector)))
{
conv = lrSLV;
}
else
{
conv = IntrinsicFunctions.Cast(
lrSLV,
typeof(StdLogicVector),
TypeDescriptor.GetTypeOf(_taSite._port.InitialValue));
}
var srNext = SignalRef.Create(_taSite._port, SignalRef.EReferencedProperty.Next);
If(cond);
{
Store(srNext, conv);
}
EndIf();
}
private Expression MakeIntegerResult(Expression ex)
{
var arg = ex.Accept(this);
if (arg.ResultType.CILType.Equals(typeof(int)))
{
return(arg);
}
else
{
var iarg = IntrinsicFunctions.Cast(ex, arg.ResultType.CILType, typeof(int));
return(iarg);
}
}
private void MakeStringArray(Expression[] elements)
{
TypeDescriptor stype = (TypeDescriptor)typeof(string);
for (int i = 0; i < elements.Length; i++)
{
TypeDescriptor rtype = elements[i].ResultType;
if (!rtype.Equals(stype))
{
elements[i] = IntrinsicFunctions.Cast(
elements[i],
rtype.CILType, typeof(string));
}
}
}
public override bool Rewrite(CodeDescriptor decompilee, System.Reflection.MethodBase callee, Analysis.StackElement[] args, Analysis.IDecompiler stack, IFunctionBuilder builder)
{
Array arr = (Array)args[0].Sample;
if (arr == null)
{
throw new InvalidOperationException("Unable to deduce array length");
}
int numElems = arr.Length;
Type tTE = arr.GetType().GetElementType();
Type tTA;
callee.IsFunction(out tTA);
FunctionCall newCall = IntrinsicFunctions.NewArray(tTE, LiteralReference.CreateConstant(numElems), arr);
FunctionSpec fspec = (FunctionSpec)newCall.Callee;
IntrinsicFunction ifun = fspec.IntrinsicRep;
ArrayParams aparams = (ArrayParams)ifun.Parameter;
for (int i = 0; i < numElems; i++)
{
aparams.Elements[i] = IntrinsicFunctions.GetArrayElement(
args[0].Expr,
LiteralReference.CreateConstant(i));
}
object sample = null;
try
{
sample = callee.Invoke(arr);
}
catch (Exception)
{
}
Expression conv = IntrinsicFunctions.Cast(newCall, arr.GetType(), tTA);
stack.Push(conv, sample);
return(true);
}
protected override void DeclareAlgorithm()
{
var srCur = SignalRef.Create(_taSite._portSignal, SignalRef.EReferencedProperty.Cur);
var lrCur = new LiteralReference(srCur);
if (_taSite._portSignal.ElementType.CILType.Equals(typeof(StdLogic)))
{
var index = new IndexSpec((DimSpec)0);
var srSLV = new SignalRef(
_taSite._slvSignal,
SignalRef.EReferencedProperty.Next,
index.AsExpressions(),
index, true);
Store(srSLV, lrCur);
}
else
{
var convFn = IntrinsicFunctions.Cast(lrCur,
_taSite._portSignal.ElementType.CILType,
_taSite._slvSignal.ElementType);
var srSLV = SignalRef.Create(_taSite._slvSignal, SignalRef.EReferencedProperty.Next);
Store(srSLV, convFn);
}
}
protected override void DeclareAlgorithm()
{
var srClk = SignalRef.Create(_taSite._clk, SignalRef.EReferencedProperty.RisingEdge);
var lrClk = new LiteralReference(srClk);
var srWrEn = _taSite.NeedWriteAccess ? SignalRef.Create(_taSite._wrEn, SignalRef.EReferencedProperty.Cur) : null;
var lrWrEn = _taSite.NeedWriteAccess ? new LiteralReference(srWrEn) : null;
var srAddr = SignalRef.Create(_taSite._addr, SignalRef.EReferencedProperty.Cur);
var lrAddr = new LiteralReference(srAddr);
var srDataIn = _taSite.NeedWriteAccess ? SignalRef.Create(_taSite._dataIn, SignalRef.EReferencedProperty.Cur) : null;
var lrDataIn = _taSite.NeedWriteAccess ? new LiteralReference(srDataIn) : null;
var srDataOut = SignalRef.Create(_taSite._dataOut, SignalRef.EReferencedProperty.Next);
var hi = LiteralReference.CreateConstant(StdLogic._1);
var addrUType = TypeDescriptor.GetTypeOf(((StdLogicVector)_taSite._addr.InitialValue).UnsignedValue);
var uAddr = IntrinsicFunctions.Cast(lrAddr, typeof(StdLogicVector), addrUType);
var iAddr = IntrinsicFunctions.Cast(uAddr, addrUType.CILType, typeof(int));
var array = _taSite._array;
var lrArray = new LiteralReference(array.ArrayLit);
var elemType = array.ElementType;
var aref = new ArrayRef(lrArray, elemType, iAddr);
var convDataIn = _taSite.NeedWriteAccess ? IntrinsicFunctions.Cast(lrDataIn, typeof(StdLogicVector), elemType) : null;
var convAref = IntrinsicFunctions.Cast(aref, elemType.CILType, _taSite._dataOut.ElementType);
If(lrClk);
{
Store(srDataOut, convAref);
if (_taSite.NeedWriteAccess)
{
If(Expression.Equal(lrWrEn, hi));
{
Store(aref, convDataIn);
}
EndIf();
}
}
EndIf();
}
public void AddAccessor(InlineFieldMapperTransactionSite taSite, bool needRead, bool needWrite)
{
var srWrEn = needWrite ? SignalRef.Create(taSite._wrEn, SignalRef.EReferencedProperty.Cur) : null;
var lrWrEn = needWrite ? new LiteralReference(srWrEn) : null;
var srDataIn = needWrite ? SignalRef.Create(taSite._dataIn, SignalRef.EReferencedProperty.Cur) : null;
var lrDataIn = needWrite ? new LiteralReference(srDataIn) : null;
var srDataOut = needRead ? SignalRef.Create(taSite._dataOut, SignalRef.EReferencedProperty.Next) : null;
var hi = LiteralReference.CreateConstant(StdLogic._1);
var elemType = taSite._literal.Type;
var lrVar = new LiteralReference((Literal)taSite._literal);
var convDataIn = needWrite ? IntrinsicFunctions.Cast(lrDataIn, typeof(StdLogicVector), elemType) : null;
var convVar = needRead ? IntrinsicFunctions.Cast(lrVar, elemType.CILType, taSite._dataOut.ElementType) : null;
bool isBool = taSite._literal.Type.CILType.Equals(typeof(bool));
var lr1 = LiteralReference.CreateConstant((StdLogicVector)"1");
var lr0 = LiteralReference.CreateConstant((StdLogicVector)"0");
if (needWrite)
{
BodyBuilder.If(Expression.Equal(lrWrEn, hi));
{
if (isBool)
{
BodyBuilder.Store(taSite._literal, Expression.Equal(lrDataIn, lr1));
}
else
{
BodyBuilder.Store(taSite._literal, convDataIn);
}
var diagOut = taSite.Host as ISupportsDiagnosticOutput;
if (diagOut != null && diagOut.EnableDiagnostics)
{
Expression vref = new LiteralReference(taSite.Literal);
var fref = taSite.Literal as FieldRef;
var field = fref != null ? fref.FieldDesc : null;
if (field != null && field.HasAttribute <ActualTypeAttribute>())
{
var atype = field.QueryAttribute <ActualTypeAttribute>();
vref = IntrinsicFunctions.Cast(vref, vref.ResultType.CILType, atype.ActualType, true);
}
BodyBuilder.ReportLine(taSite.Literal.Name + " changed to ", vref);
}
}
BodyBuilder.EndIf();
}
if (needRead)
{
if (isBool)
{
BodyBuilder.If(lrVar);
{
BodyBuilder.If(lrVar);
BodyBuilder.Store(srDataOut, lr1);
}
BodyBuilder.Else();
{
BodyBuilder.Store(srDataOut, lr0);
}
BodyBuilder.EndIf();
}
else
{
BodyBuilder.Store(srDataOut, convVar);
}
}
}