public IXILMapping TryAllocate(Component host, XILInstr instr, TypeDescriptor[] operandTypes, TypeDescriptor[] resultTypes, IProject proj)
{
if (!instr.Name.Equals(InstructionCodes.LoadVar) &&
!instr.Name.Equals(InstructionCodes.StoreVar))
{
return(null);
}
var tgtVar = instr.Operand as Variable;
if (tgtVar == null)
{
return(null);
}
bool dfeed = EnableDirectFeed;
if (tgtVar.HasAttribute <FeedThruVariable>())
{
dfeed = true;
}
else if (tgtVar.HasAttribute <RegisteredVariable>())
{
dfeed = false;
}
LocalStorageUnit lsu = new LocalStorageUnit(tgtVar, dfeed);
if (instr.Name.Equals(InstructionCodes.LoadVar))
{
return(new LocalStorageUnitReadMapping(lsu));
}
else
{
return(new LocalStorageUnitWriteMapping(lsu));
}
}
public IEnumerable <IXILMapping> TryMap(ITransactionSite taSite, XILInstr instr, TypeDescriptor[] operandTypes, TypeDescriptor[] resultTypes)
{
if (!instr.Name.Equals(InstructionCodes.LoadVar) &&
!instr.Name.Equals(InstructionCodes.StoreVar))
{
yield break;
}
var tgtVar = instr.Operand as Variable;
if (tgtVar == null)
{
yield break;
}
var fu = taSite.Host;
LocalStorageUnit lsu = fu as LocalStorageUnit;
if (lsu == null)
{
yield break;
}
if (!lsu.MappedVariable.Equals(tgtVar))
{
yield break;
}
if (instr.Name.Equals(InstructionCodes.LoadVar))
{
yield return(new LocalStorageUnitReadMapping(lsu));
}
else
{
yield return(new LocalStorageUnitWriteMapping(lsu));
}
}
/// <summary>
/// Constructs a new instance
/// </summary>
/// <param name="host">hosting storage unit</param>
public LocalStorageUnitTransactionSite(LocalStorageUnit host) :
base(host)
{
_host = host;
}
/// <summary>
/// Constructs a new instance.
/// </summary>
/// <param name="host">hosting storage unit</param>
public LocalStorageUnitWriteMapping(LocalStorageUnit host) :
base(host.TASite, EMappingKind.ExclusiveResource)
{
_host = host;
}
/// <summary>
/// Constructs a new instance
/// </summary>
/// <param name="host">hosting storage unit</param>
public LocalStorageUnitTransactionSite(LocalStorageUnit host):
base(host)
{
_host = host;
}
public IXILMapping TryAllocate(Component host, XILInstr instr, TypeDescriptor[] operandTypes, TypeDescriptor[] resultTypes, IProject proj)
{
if (!instr.Name.Equals(InstructionCodes.LoadVar) &&
!instr.Name.Equals(InstructionCodes.StoreVar))
return null;
var tgtVar = instr.Operand as Variable;
if (tgtVar == null)
return null;
bool dfeed = EnableDirectFeed;
if (tgtVar.HasAttribute<FeedThruVariable>())
dfeed = true;
else if (tgtVar.HasAttribute<RegisteredVariable>())
dfeed = false;
LocalStorageUnit lsu = new LocalStorageUnit(tgtVar, dfeed);
if (instr.Name.Equals(InstructionCodes.LoadVar))
return new LocalStorageUnitReadMapping(lsu);
else
return new LocalStorageUnitWriteMapping(lsu);
}
/// <summary>
/// Constructs a new instance.
/// </summary>
/// <param name="host">hosting storage unit</param>
public LocalStorageUnitWriteMapping(LocalStorageUnit host) :
base(host.TASite, EMappingKind.ExclusiveResource)
{
_host = host;
}