public static IStateScheduler GetScheduler(CmdLineOpts options)
{
IStateScheduler scheduler = null;
switch (options.scheduler)
{
case CmdLineOpts.Scheduler.DFS:
scheduler = new DFSStateScheduler();
break;
case CmdLineOpts.Scheduler.BFS:
scheduler = new BFSStateScheduler();
break;
case CmdLineOpts.Scheduler.UntilEndBFS:
scheduler = new UntilTerminationBFSStateScheduler();
break;
case CmdLineOpts.Scheduler.AltBFS:
scheduler = new AlternativeBFSStateScheduler();
break;
default:
throw new ArgumentException("Unsupported scheduler");
}
if (options.PreferLoopEscapingPaths > 0)
{
scheduler = new LoopEscapingScheduler(scheduler);
}
if (options.MaxLoopDepth > 0)
{
scheduler = new LimitLoopBoundScheduler(scheduler, options.MaxLoopDepth);
}
return(scheduler);
}
public static Executor GetExecutor(Program p, IStateScheduler scheduler = null, ISolver solver = null, bool useConstantFolding = false)
{
if (scheduler == null)
{
scheduler = new DFSStateScheduler();
}
if (solver == null)
{
solver = new SimpleSolver(new DummySolver());
}
IExprBuilder builder = new SimpleExprBuilder(/*immutable=*/ true);
if (useConstantFolding)
{
builder = new ConstantFoldingExprBuilder(new ConstantCachingExprBuilder(builder));
}
Executor e = new Executor(p, scheduler, solver, builder, new SimpleSymbolicPool());
return(e);
}