/// <summary>
/// Visits a jump statement point
/// </summary>
/// <param name="p">point to visit</param>
public override void VisitJump(JumpStmtPoint p)
{
_currentPoint = p;
switch (p.Jump.Type)
{
case JumpStmt.Types.Return:
var returnVar = Output.GetLocalControlVariable(SnapshotBase.ReturnValue);
/*var returnValue = p.Expression.Value.ReadMemory(Input);
* returnVar.WriteMemory(Output, returnValue);*/
if (p.Expression != null)
{
var varID = getVariableIdentifier(p.Expression.Value);
List <Value> possibleValues = new List <Value>(p.Expression.Value.ReadMemory(p.Expression.OutSnapshot).PossibleValues);
List <ValueInfo> values = new List <ValueInfo>();
values.Add(new ValueInfo(possibleValues, varID));
bool nullValue = hasPossibleNullValue(p.Expression) || hasPossibleNullValue(p.Expression);
TaintInfo outputTaint = mergeTaint(values, nullValue);
returnVar.WriteMemory(Output, new MemoryEntry(Output.CreateInfo(outputTaint)));
}
break;
default:
throw new NotImplementedException();
}
}
public override void VisitJump(JumpStmtPoint p)
{
switch (p.Jump.Type)
{
case JumpStmt.Types.Return:
var returnVar = Output.GetLocalControlVariable(SnapshotBase.ReturnValue);
var returnValue = p.Expression.Value.ReadMemory(Input);
returnVar.WriteMemory(Output, returnValue);
break;
default:
throw new NotImplementedException();
}
}
