public override void ConvertElementLogic()
{
processReturnFunction = CreateProcessReturnFunction();
mainFunction = new SolidityFunction(GetElementCallName(), SolidityVisibility.Internal);
mainFunction.AddParameters(processConverter.GetIdentifiersAsParameters());
var calledStartEventConverter = processConverter.ContractConverter.GetStartEventConverter(callActivity);
var callSubprocessStatement = calledStartEventConverter.GetStatementForPrevious(callActivity);
stateTracker = new SolidityStatement($"uint256 {ConversionTemplates.CallActivityCounter(GetElementCallName())}");
switch (callActivity.InstanceType)
{
case InstanceType.Single:
//Call the subprocess.
mainFunction.AddToBody(callSubprocessStatement);
break;
case InstanceType.Sequential:
//Call the subprocess and create a counter.
mainFunction.AddToBody(new SolidityStatement($"{ConversionTemplates.CallActivityCounter(GetElementCallName())} = 0"));
mainFunction.AddToBody(callSubprocessStatement);
break;
case InstanceType.Parallel:
//Call all of the subprocesses using an identifier, create a counter.
mainFunction.AddToBody(new SolidityStatement($"{ConversionTemplates.CallActivityCounter(GetElementCallName())} = 0"));
var solidityForLoop = new SolidityFor(GetLoopVariable(), GetCountTarget(callActivity));
solidityForLoop.AddToBody(callSubprocessStatement);
mainFunction.AddToBody(solidityForLoop);
break;
}
}
//Gets assignemnts for the Task Function
public override IList <SolidityStatement> GetOutputAssignments()
{
var forLoop = new SolidityFor("i", $"{FunctionName}Output.length");
List <SolidityStatement> outputAssignments = new List <SolidityStatement>();
outputAssignments.Add(new SolidityStatement($"for(uint256 i = 0; i < {FunctionName}Output.length; i++){{", false));
foreach (var outputs in Decision.DecisionTable.Outputs)
{
outputAssignments.Add(new SolidityStatement($" {outputs.Name}.push({FunctionName}Output[i].{outputs.Name.ToLowerCamelCase().Replace(".", "__")})", true));
}
outputAssignments.Add(new SolidityStatement("}", false));
return(outputAssignments);
}
//Functions for comparison of matched rule and already matched outputs
public override SolidityFunction CreateHelperFunction()
{
FunctionName = Regex.Replace(Decision.Id, @" ", "").ToLowerCamelCase();
SolidityFunction function = new SolidityFunction($"{FunctionName}_decideByPriority", SolidityVisibility.Internal, $"{OutputStructName} memory", true);
var prioritiesFormatted = GetPriorities(Decision);
var noUniqueOutputs = Regex.Matches(prioritiesFormatted, $"{OutputStructName}").Count;
function.AddParameter(new SolidityParameter($"{OutputStructName}[{noUniqueOutputs}] memory", "priorities"));
function.AddParameter(new SolidityParameter($"{OutputStructName} memory", "currentOutput"));
function.AddParameter(new SolidityParameter($"{OutputStructName} memory", "newOutput"));
var priorityComparison = GetPriorityComparisonBody();
var priorityIteration = new SolidityFor("i", $"{noUniqueOutputs}");
priorityIteration.AddToBody(new SolidityStatement(priorityComparison.ToString(), false));
function.AddToBody(priorityIteration);
function.AddToBody(new SolidityStatement("revert('Undefined output')", true));
return(function);
}
//Retruns for loop component initializing the output
private SolidityFor GetInitializationForLoop(int noUniqueOutputs)
{
var initForLoop = new SolidityFor("i", $"{noUniqueOutputs}");
//Add only outputs that meet the conditions
var initCheck = new SolidityIfElse();
string initCheckBody = $"output[j] = {OutputStructName}(";
foreach (var output in Decision.DecisionTable.Outputs.Select((value, i) => new { i, value }))
{
initCheckBody += $"priorities[i].{output.value.Name}";
if (output.i + 1 < Decision.DecisionTable.Outputs.Count)
{
initCheckBody += ", ";
}
}
initCheckBody += ");\n";
initCheckBody += "j++;";
initCheck.AddConditionBlock("existsInOutput[i]", new SolidityStatement(initCheckBody, false));
initForLoop.AddToBody(new SolidityStatement(initCheck.ToString(), false));
return(initForLoop);
}
public override SolidityFunction CreateDecisionFunction()
{
//Define function's header
FunctionName = Regex.Replace(Decision.Id, @" ", "").ToLowerCamelCase();
SolidityFunction function = new SolidityFunction(FunctionName, SolidityVisibility.Internal, $"{OutputStructName}[] memory", true);
//Add declaration of helper varaibles
var prioritiesFormatted = GetPriorities();
var noUniqueOutputs = Regex.Matches(prioritiesFormatted, $"{OutputStructName}").Count;
function.AddToBody(new SolidityStatement($"{OutputStructName}[{noUniqueOutputs}] memory priorities = {prioritiesFormatted}", true));
function.AddToBody(new SolidityStatement($"bool[{noUniqueOutputs}] memory existsInOutput", true));
function.AddToBody(new SolidityStatement($"uint outputSize = 0", true));
function.AddToBody(new SolidityStatement($"bool matchedRule = false", true));
var rules = GetAllConditions();
foreach (var rule in rules.Skip(PriorityOffset).Select((value, i) => new { i, value }))
{
string priorityListCheck = GetPirorityListCheck(rule.i + PriorityOffset);
var priorityCheckLoop = new SolidityFor("i", $"{noUniqueOutputs}");
priorityCheckLoop.AddToBody(new SolidityStatement(priorityListCheck, false));
function.AddToBody(AddBodyBasedOnRule(rule.value, priorityCheckLoop.ToString()));
}
//Initialization of output list
function.AddToBody(new SolidityStatement("uint j = 0", true));
function.AddToBody(new SolidityStatement($"{OutputStructName}[] memory output = new {OutputStructName}[](outputSize)", true));
var initForLoop = GetInitializationForLoop(noUniqueOutputs);
function.AddToBody(initForLoop);
//Add the rest of the function
var undefinedOutputCheck = new SolidityIfElse();
undefinedOutputCheck.AddConditionBlock("!matchedRule", new SolidityStatement("revert('Undefined output')", true));
function.AddToBody(undefinedOutputCheck);
function.AddToBody(new SolidityStatement("return output", true));
return(function);
}