private static List <Cmd> ProcessAssume(AssumeCmd cmd)
{
var ret = new List <Cmd>();
var gm = new GatherMemAccesses();
gm.VisitExpr(cmd.Expr);
foreach (var tup in gm.accesses)
{
ret.Add(BoogieAstFactory.MkVarEqExpr(memAccess, tup.Item2));
ret.Add(Read(tup.Item1));
}
ret.Add(cmd);
return(ret);
}
private static List <Cmd> ProcessAssign(AssignCmd cmd)
{
var ret = new List <Cmd>();
var reads = new GatherMemAccesses();
var writes = new List <Tuple <Variable, Expr> >();
var scalars = new List <Variable>();
foreach (var lhs in cmd.Lhss)
{
if (lhs is MapAssignLhs)
{
var ma = lhs as MapAssignLhs;
ma.Indexes.Iter(e => writes.Add(Tuple.Create(ma.DeepAssignedVariable, e)));
ma.Indexes.Iter(e => reads.VisitExpr(e));
}
else if (lhs is SimpleAssignLhs && scalarGlobals.Contains(lhs.DeepAssignedVariable.Name))
{
scalars.Add(lhs.DeepAssignedVariable);
}
}
cmd.Rhss.Iter(e => reads.VisitExpr(e));
writes.Iter(tup =>
{
ret.Add(BoogieAstFactory.MkVarEqExpr(memAccess, tup.Item2));
ret.Add(Write(tup.Item1));
});
reads.accesses.Iter(tup =>
{
ret.Add(BoogieAstFactory.MkVarEqExpr(memAccess, tup.Item2));
ret.Add(Read(tup.Item1));
});
ret.Add(cmd);
scalars.Iter(v => ret.Add(RecordScalar(v)));
return(ret);
}
private static List <Cmd> ProcessCall(CallCmd cmd)
{
var ret = new List <Cmd>();
var gm = new GatherMemAccesses();
cmd.Ins.Where(e => e != null).Iter(e => gm.VisitExpr(e));
foreach (var tup in gm.accesses)
{
ret.Add(BoogieAstFactory.MkVarEqExpr(memAccess, tup.Item2));
ret.Add(Read(tup.Item1));
}
ret.Add(cmd);
cmd.Outs.Where(ie => ie != null && scalarGlobals.Contains(ie.Name))
.Iter(ie => ret.Add(RecordScalar(ie.Decl)));
return(ret);
}