public override Procedure VisitProcedure(Procedure node)
{
// Make sure not to visit the same Procedure twice
if (allProcs.Contains(node.Name))
{
return(node);
}
allProcs.Add(node.Name);
if (node.Name.Equals(mainProcName))
{
mainProcExists = true;
/*
* // Check if this guy takes input parameters
* if (node.InParams.Length != 0)
* {
* throw new InvalidProg("main procedure " + node.Name + " has input paramters");
* }
*
* if (node.OutParams.Length != 0)
* {
* Console.WriteLine("Warning: output parameters of the main procedure will be ignored");
* }
*/
}
// Keep record of all modified globals
foreach (IdentifierExpr ie in node.Modifies)
{
GlobalVariable g = (GlobalVariable)ie.Decl;
if (g == null)
{
continue;
}
if (!modifiedGlobals.ContainsKey(g.Name))
{
modifiedGlobals.Add(g.Name, g);
}
}
// No need to go down into a procedure
//node.Modifies = this.VisitIdentifierExprSeq(node.Modifies);
//node.InParams = this.VisitVariableSeq(node.InParams);
//node.OutParams = this.VisitVariableSeq(node.OutParams);
if (node.Name == LanguageSemantics.getThreadIDName() ||
node.Name == LanguageSemantics.getChildThreadIDName())
{
Debug.Assert(node.OutParams.Count == 1);
if (node.OutParams[0].TypedIdent.Type.IsBv)
{
threadIdType = node.OutParams[0].TypedIdent.Type;
}
}
return(node);
}
public InstrumentationPolicy(int K, HashSet <string> glob, HashSet <string> procsWithImpl, HashSet <string> asyncProcs, HashSet <Tuple <string, string> > recursiveProcs, ConcurrencyMode mode)
{
executionContextBound = K;
globalsToInstrument = glob;
this.procsWithImpl = procsWithImpl;
this.asyncProcs = asyncProcs;
this.recursiveProcs = recursiveProcs;
this.mode = mode;
atomicBeginProcName = LanguageSemantics.atomicBeginProcName();
atomicEndProcName = LanguageSemantics.atomicEndProcName();
assertNotReachableName = LanguageSemantics.assertNotReachableName();
getThreadIDName = LanguageSemantics.getThreadIDName();
}