public IEnumerable <Constant> GetConstants(Instruction instruction, IVariable var)
{
if (!ConstantPropagationSetAnalysis.IsConstantType(var.Type, host))
{
return(null);
}
var domain = info[instruction];
var varDomain = domain.Constants(var);
if (varDomain.IsTop)
{
return(null);
}
if (varDomain.IsBottom)
{
return(new HashSet <Constant>());
}
return(new HashSet <Constant>(varDomain.Elements));
}
public IEnumerable <Constant> GetConstants(Instruction instruction, IFieldAccess field)
{
if (!ConstantPropagationSetAnalysis.IsConstantType(field.Type, host))
{
return(null);
}
var domain = info[instruction];
var fieldDomain = domain.Constants(field);
if (fieldDomain.IsTop)
{
return(null);
}
if (fieldDomain.IsBottom)
{
return(new HashSet <Constant>());
}
return(new HashSet <Constant>(fieldDomain.Elements));
}
private bool IsConstantType(ITypeReference tref)
{
return(ConstantPropagationSetAnalysis.IsConstantType(tref, parent.Host));
}