public override void InitExprents()
{
SwitchExprent swexpr = (SwitchExprent)first.GetExprents().RemoveAtReturningValue(
first.GetExprents().Count - 1);
swexpr.SetCaseValues(caseValues);
headexprent[0] = swexpr;
}
public static void Simplify(SwitchStatement switchStatement)
{
SwitchExprent switchExprent = (SwitchExprent)switchStatement.GetHeadexprent();
Exprent value = switchExprent.GetValue();
if (IsEnumArray(value))
{
List <List <Exprent> > caseValues = switchStatement.GetCaseValues();
Dictionary <Exprent, Exprent> mapping = new Dictionary <Exprent, Exprent>(caseValues
.Count);
ArrayExprent array = (ArrayExprent)value;
FieldExprent arrayField = (FieldExprent)array.GetArray();
ClassesProcessor.ClassNode classNode = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(arrayField.GetClassname());
if (classNode != null)
{
MethodWrapper wrapper = classNode.GetWrapper().GetMethodWrapper(ICodeConstants.Clinit_Name
, "()V");
if (wrapper != null && wrapper.root != null)
{
wrapper.GetOrBuildGraph().IterateExprents((Exprent exprent) => {
if (exprent is AssignmentExprent)
{
AssignmentExprent assignment = (AssignmentExprent)exprent;
Exprent left = assignment.GetLeft();
if (left.type == Exprent.Exprent_Array && ((ArrayExprent)left).GetArray().Equals(
arrayField))
{
Sharpen.Collections.Put(mapping, assignment.GetRight(), ((InvocationExprent)((ArrayExprent
)left).GetIndex()).GetInstance());
}
}
return(0);
}
);
}
}
List <List <Exprent> > realCaseValues = new List <List <Exprent> >(caseValues.Count);
foreach (List <Exprent> caseValue in caseValues)
{
List <Exprent> values = new List <Exprent>(caseValue.Count);
realCaseValues.Add(values);
foreach (Exprent exprent in caseValue)
{
if (exprent == null)
{
values.Add(null);
}
else
{
Exprent realConst = mapping.GetOrNull(exprent);
if (realConst == null)
{
DecompilerContext.GetLogger().WriteMessage("Unable to simplify switch on enum: "
+ exprent + " not found, available: " + mapping, IFernflowerLogger.Severity.Error
);
return;
}
values.Add(realConst.Copy());
}
}
}
caseValues.Clear();
Sharpen.Collections.AddAll(caseValues, realCaseValues);
switchExprent.ReplaceExprent(value, ((InvocationExprent)array.GetIndex()).GetInstance
().Copy());
}
}
