public Location(Location caller)
{
id = caller.id + "a";
y = caller.y + Constants.LabelOffsetY * 2;
x = Constants.LabelOffsetX * 10;
Label = new Label{
content = "1",
kind = "exponentialrate",
y = y,
x = caller.x + Constants.LabelOffsetX * 10 - 70
};
}
public Location(string na, int xc, int yc)
{
name = na;
x = xc;
y = yc;
Label = new Label{
content = "1",
kind = "exponentialrate",
y = y,
x = xc + Constants.LabelOffsetX * 10 - 70
};
id = "nId" + nextID;
nextID++;
}
public void rewriteInstructionFault(string path)
{
ByteCodeInstructions insts = new ByteCodeInstructions();
foreach (var tem in templates)
{
foreach (var loc in tem.Locations)
{
if(loc.pc == null)
{
continue;
}
foreach (var l2 in tem.Locations)
{
if (loc.id != l2.id)
{
foreach (var edge in tem.Transitions)
{
if (edge.source.id == loc.id && edge.target.id == l2.id)
{
edge.grds.content += " && faultAtId != " + loc.Guid;
}
}
}
}
// get instruction name and resolve to byte code instruction
int index = loc.name.IndexOf("_");
string inst = loc.name.Replace("__", "_");//.Substring(loc.name.IndexOf("_") + 1);
inst = Regex.Replace(inst, @"pc\d*_", "");
inst = inst.Replace("\n", "");
string instNotSpecial = Regex.Replace(inst, @"_\d*", "");
BytecodeInstruction bci = insts.instructionToBytecode(inst);
BytecodeInstruction bciNotSpecial = insts.instructionToBytecode(instNotSpecial);
// for handling special case in instruction, e.g. iconst_0 vs. ifeq 7
if(bciNotSpecial != null)
{
// special case, overwrite bci
bci = bciNotSpecial;
}
var tempTrans = new List<Transition>();
if(bci == null || bci.relatedInstruction.mnemonic == "") // should we use "" or null for non-valid instruction?
{
// make transition to error state if invalid instruction
var x = tem.idToLocation(Constants.errorLocId);
var labs = new List<Label>()
{
new Label()
{
content = string.Format("faultAtId == {0}", loc.Guid),
kind = "guard"
}
};
Transition errorTransition = new Transition(loc, x, labs);
tempTrans.Add(errorTransition);
}
if (bci != null && index != -1)
{
foreach (var edge in tem.Transitions)
{
// for inst fault edges
if (edge.source.id == loc.id && !edge.source.id.Contains("-") && !edge.target.id.Contains("-"))
{
var a = bci.relatedInstruction;
var labs = a.getLabels();
// add guard to distribute probability equally among fault and valid edge
Label probLbl = new Label() {content = "faultAtId == " + loc.Guid, kind = "guard", x = loc.x, y = loc.y };
labs.Add(probLbl);
int lx = 50, lx2 = 90, ly = 100;
Transition tt = new Transition(edge.source, edge.target, labs);
List<Transition.Nail> nails = new List<Transition.Nail>();
Transition.Nail nail1 = new Transition.Nail { x = loc.x - lx, y = loc.y - ly };
Transition.Nail nail2 = new Transition.Nail { x = loc.x - lx2, y = loc.y - ly };
nails.Add(nail1);
nails.Add(nail2);
tt.nails = nails;
tempTrans.Add(tt);
}
}
}
tem.Transitions.AddRange(tempTrans);
}
}
// add inst fault template
XElement instFaultTemplateXML = XElement.Parse(XMLProvider.getInstructionFaultTemplate());
XMLHandler xhl = new XMLHandler();
Template instFaultTemplate = xhl.getTemplate(instFaultTemplateXML);
instFaultTemplate.Locations[1].Committed = true;
// define number range for fault number
Label selectFaultIdLabel = new Label(){content = string.Format("i:int[0,{0}]", XMLHandler.idCount), kind = "select", x = -110, y = -127};
instFaultTemplate.Transitions[0].labels.Add(selectFaultIdLabel);
// todo: generalize this
globalDeclarations += "\nint faultAtId;\n";
templates.Add(instFaultTemplate);
Save(path);
}
public Template getTemplate(XElement xel)
{
Template t = new Template(xel);
t.InitialLocation.id = xel.Element("init").Attribute("ref").Value;
// store name object from XML
t.name = (string)xel.Element("name");
// store information about locations from UPPAAL model in objects from XML
foreach (var locs in xel.Descendants("location"))
{
Location l = new Location();
l.id = (string)locs.Attribute("id");
l.name = (string)locs.Element("name");
l.Guid = idCount.ToString();
var tr = locs.Element("urgent");
l.Urgent = tr != null;
idCount++;
XElement xele = locs.Element("label");
if (xele != null)
{
int xCoord = Convert.ToInt32(xele.Attribute("x").Value);
int yCoord = Convert.ToInt32(xele.Attribute("y").Value);
Label invariant = new Label { kind = xele.Attribute("kind").Value, content = (string)xele.Value, x = xCoord, y = yCoord };
l.Label = invariant;
}
try
{
// load pc number
Regex regex = new Regex(@"pc(\d+)");
Match match = regex.Match(l.name);
if (match.Success)
{
l.pc = match.Value.Replace("pc", "");
}
}
catch (Exception ex)
{
// yeah.. this should probably be handled more eloquently..
l.pc = "None";
} //TODO fix fault template
l.x = Convert.ToInt32(locs.Attribute("x").Value);
l.y = Convert.ToInt32(locs.Attribute("y").Value);
t.Locations.Add(l);
}
// store information about transitions from UPPAAL model in objects from XML
List<Transition> transitions = new List<Transition>();
foreach (var trans in xel.Descendants("transition"))
{
Transition srcDstPair = new Transition();
srcDstPair.source.id = (string)trans.Element("source").Attribute("ref");
srcDstPair.target.id = (string)trans.Element("target").Attribute("ref");
// add guards
srcDstPair.grds = getGuards(trans);
// add selections
srcDstPair.sels = getSelections(trans);
// add updates
srcDstPair.asms = getAssignments(trans);
// add synchronizations
srcDstPair.syncs = getSyncs(trans);
// add nails
srcDstPair.nails = getNails(trans);
transitions.Add(srcDstPair);
}
t.Transitions = transitions;
return t;
}
private void parseInst(int count, string instLine){
/*if(instLine.Contains("try"))
{
instLine = "exception catch";
}*/
inst = new Instruction(instLine);
name = "pc" + instLine.Replace("(", "").Replace(")", "").Replace("<", "").Replace(">", "")
.Replace(",", "").Replace(" ", "_").Replace(".", "_").Replace(":", "_")
.Replace("__", "_").Replace("-","");
Label = new Label{
content = "t <= " + Constants.instTime,
kind = "invariant",
y = y,
x = -70
};
}
private void parseCall(string instLine)
{
inst = new Instruction();
name = new Regex(" [a-zA-Z]+ \\(").Match(instLine)
.ToString().Replace(" ","").Replace("(","");
Label = new Label{
content = "1",
kind = "exponentialrate",
y = y,
x = -70
};
}