Пример #1
0
        private void MkCreateSpecMachineMethod(string machineName)
        {
            var fields = new List <SyntaxNode>();

            //create machine
            fields.Add(
                generator.LocalDeclarationStatement(
                    generator.IdentifierName("var"),
                    "machine",
                    generator.ObjectCreationExpression(
                        generator.IdentifierName(machineName),
                        new List <SyntaxNode> {
                generator.IdentifierName("application")
            })));

            //log
            fields.Add(CSharpHelper.MkCSharpTrace($"<CreateLog> Created spec Machine {machineName}"));

            fields.AddRange(allMachines[machineName].observesEvents.Select(x => CSharpHelper.MkCSharpInvocationExpression(CSharpHelper.MkCSharpDot("machine", "observes", "Add"), GetEventVar(x))));

            var prtvalueNull =
                (ExpressionSyntax)generator.MemberAccessExpression(IdentifierName("PrtEventValue"), IdentifierName("@null"));

            //execute the entry function of the machine
            fields.Add(
                CSharpHelper.MkCSharpInvocationExpression(
                    CSharpHelper.MkCSharpDot("machine", "PrtEnqueueEvent"),
                    prtvalueNull,
                    prtvalueNull,
                    LiteralExpression(SyntaxKind.NullLiteralExpression)));
            //return machine;
            fields.Add(generator.ReturnStatement(generator.IdentifierName("machine")));

            var        methodPars         = new[] { generator.ParameterDeclaration("application", generator.IdentifierName("StateImpl")) };
            SyntaxNode makeCreateSpecDecl = generator.MethodDeclaration(
                $"CreateSpecMachine_{machineName}",
                methodPars,
                null,
                IdentifierName("PrtSpecMachine"),
                Accessibility.Public,
                DeclarationModifiers.Static,
                fields);

            members.Add(makeCreateSpecDecl);
        }
Пример #2
0
        private void MkCreateRealMachineMethod(string machineName)
        {
            var fields = new List <SyntaxNode>();

            //create machine
            MachineInfo machineInfo = allMachines[machineName];

            //There are three cases:
            //- default (no constraint on queue size): maxQueueSizeAssumed == false; maxQueueSize = default (10?)
            //- assume <maxQueueSize>: maxQueueSize > 0, maxQueueSizeAssumed == true;
            //- assert <maxQueueSize>: maxQueueSize > 0, maxQueueSizeAssumed == false;
            if (machineInfo.maxQueueSize > 0)
            {
                fields.Add(
                    generator.LocalDeclarationStatement(
                        generator.IdentifierName("var"),
                        "machine",
                        generator.ObjectCreationExpression(
                            generator.IdentifierName(machineName),
                            new List <SyntaxNode>
                {
                    generator.IdentifierName("application"),
                    generator.LiteralExpression(machineInfo.maxQueueSize),
                    generator.LiteralExpression(machineInfo.maxQueueSizeAssumed)
                })));
            }
            else
            {
                fields.Add(
                    generator.LocalDeclarationStatement(
                        generator.IdentifierName("var"),
                        "machine",
                        generator.ObjectCreationExpression(
                            generator.IdentifierName(machineName),
                            new List <SyntaxNode>
                {
                    generator.IdentifierName("application"),
                    MemberAccessExpression(
                        SyntaxKind.SimpleMemberAccessExpression,
                        IdentifierName("PrtImplMachine"),
                        IdentifierName("DefaultMaxBufferSize")),
                    generator.LiteralExpression(machineInfo.maxQueueSizeAssumed)
                })));
            }

            // log
            fields.Add(
                CSharpHelper.MkCSharpTrace(
                    $"<CreateLog> Created Machine {machineName}-{{0}}",
                    CSharpHelper.MkCSharpDot("machine", "instanceNumber")));

            //initialize the permission set for self
            if (allMachines[machineName].receiveSet == null)
            {
                fields.Add(
                    CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
                        CSharpHelper.MkCSharpDot(IdentifierName("machine"), "self", "permissions"),
                        LiteralExpression(SyntaxKind.NullLiteralExpression)));
            }
            else
            {
                fields.AddRange(
                    allMachines[machineName].receiveSet.Select(
                        ev => CSharpHelper.MkCSharpInvocationExpression(
                            CSharpHelper.MkCSharpDot(IdentifierName("machine"), "self", "permissions", "Add"),
                            GetEventVar(ev))));
            }

            //initialize the send set
            if (allMachines[machineName].sendsSet == null)
            {
                fields.Add(
                    CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
                        CSharpHelper.MkCSharpDot(IdentifierName("machine"), "sends"),
                        LiteralExpression(SyntaxKind.NullLiteralExpression)));
            }
            else
            {
                fields.AddRange(
                    allMachines[machineName].sendsSet.Select(
                        ev => CSharpHelper.MkCSharpInvocationExpression(
                            CSharpHelper.MkCSharpDot(IdentifierName("machine"), "sends", "Add"),
                            GetEventVar(ev))));
            }

            //machine.currentPayload = payload;
            fields.Add(
                CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
                    CSharpHelper.MkCSharpDot("machine", "currentPayload"),
                    IdentifierName("payload")));

            //return machine;
            fields.Add(generator.ReturnStatement(generator.IdentifierName("machine")));

            var methodPars = new[]
            {
                generator.ParameterDeclaration("application", generator.IdentifierName("StateImpl")),
                generator.ParameterDeclaration("payload", generator.IdentifierName("PrtValue"))
            };
            SyntaxNode makeCreateMachineDecl = generator.MethodDeclaration(
                $"CreateMachine_{machineName}",
                methodPars,
                null, // type parameters
                generator.IdentifierName("PrtImplMachine"),
                Accessibility.Public,
                DeclarationModifiers.Static,
                fields);

            members.Add(makeCreateMachineDecl);
        }
Пример #3
0
 public static ExpressionSyntax MkCSharpDot(string first, params string[] names)
 {
     return(CSharpHelper.MkCSharpDot(SyntaxFactory.IdentifierName(first), names));
 }
Пример #4
0
        private SyntaxNode MkStaticAppConstructor(string testName)
        {
            var stmtList = new List <StatementSyntax>();

            //Initialize types and events
            var nodes = dependsOn.Keys.Select(s => s.ToLower()).ToList();

            foreach (var files in dependsOn.Values)
            {
                foreach (var f in files)
                {
                    if (!nodes.Contains(f))
                    {
                        nodes.Add(f);
                    }
                }
            }
            var edges = new List <Tuple <string, string> >();

            foreach (var file in dependsOn)
            {
                foreach (var dep in file.Value)
                {
                    if (file.Key != dep)
                    {
                        edges.Add(new Tuple <string, string>(dep.ToLower(), file.Key.ToLower()));
                    }
                }
            }
            List <string> topoOrder = TopologicalSortFiles <string>(nodes, edges);

            //make invocations to the initialization of all types
            foreach (var fName in topoOrder)
            {
                stmtList.Add(
                    SyntaxFactory.ExpressionStatement(CSharpHelper.MkCSharpInvocationExpression(
                                                          SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, SyntaxFactory.IdentifierName("Types"), SyntaxFactory.IdentifierName("Types_" + fName))
                                                          )));
            }

            //make invocation to the initialization of all events
            foreach (var fName in topoOrder)
            {
                stmtList.Add(
                    SyntaxFactory.ExpressionStatement(CSharpHelper.MkCSharpInvocationExpression(
                                                          SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, SyntaxFactory.IdentifierName("Events"), SyntaxFactory.IdentifierName("Events_" + fName))
                                                          )));
            }

            //Initialize all the maps

            //safe map
            foreach (var sm in allTests[testName].isSafeMap)
            {
                var safeadd = CSharpHelper.MkCSharpInvocationExpression(
                    CSharpHelper.MkCSharpDot("isSafeMap", "Add"),
                    CSharpHelper.MkCSharpStringLiteralExpression(sm.Key),
                    sm.Value ? CSharpHelper.MkCSharpTrueLiteralExpression() : CSharpHelper.MkCSharpFalseLiteralExpression()
                    );
                stmtList.Add(SyntaxFactory.ExpressionStatement(safeadd));
            }

            //rename map
            foreach (var rename in allTests[testName].renameMap)
            {
                var renameadd = CSharpHelper.MkCSharpInvocationExpression(
                    CSharpHelper.MkCSharpDot("renameMap", "Add"),
                    CSharpHelper.MkCSharpStringLiteralExpression(rename.Key),
                    CSharpHelper.MkCSharpStringLiteralExpression(rename.Value)
                    );
                stmtList.Add(SyntaxFactory.ExpressionStatement(renameadd));
            }
            //create map
            var listOfSpecMachineNames = allTests[testName].renameMap.Where(item => allTests[testName].specMachineMap.ContainsKey(item.Key)).Select(item => item.Value).Distinct();
            var listOfMachineNames     = allTests[testName].renameMap.Where(item => !allTests[testName].specMachineMap.ContainsKey(item.Key)).Select(item => item.Value).Distinct();

            foreach (var specMachine in listOfSpecMachineNames)
            {
                var createadd = CSharpHelper.MkCSharpInvocationExpression(
                    CSharpHelper.MkCSharpDot("createSpecMap", "Add"),
                    CSharpHelper.MkCSharpStringLiteralExpression(specMachine),
                    SyntaxFactory.IdentifierName(string.Format("CreateSpecMachine_{0}", specMachine)));
                stmtList.Add(SyntaxFactory.ExpressionStatement(createadd));
            }
            foreach (var machine in listOfMachineNames)
            {
                //its a machine
                var createadd = CSharpHelper.MkCSharpInvocationExpression(
                    CSharpHelper.MkCSharpDot("createMachineMap", "Add"),
                    CSharpHelper.MkCSharpStringLiteralExpression(machine),
                    SyntaxFactory.IdentifierName(string.Format("CreateMachine_{0}", machine))
                    );
                stmtList.Add(SyntaxFactory.ExpressionStatement(createadd));
            }
            //interface map
            foreach (var it in allTests[testName].interfaceMap)
            {
                var eventsParams = new SeparatedSyntaxList <ExpressionSyntax>();
                foreach (var ev in it.Value)
                {
                    eventsParams = eventsParams.Add(GetEventVar(ev));
                }
                var initStmt = CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
                    SyntaxFactory.ElementAccessExpression(
                        SyntaxFactory.IdentifierName("interfaceMap"),
                        SyntaxFactory.BracketedArgumentList(SyntaxFactory.SingletonSeparatedList <ArgumentSyntax>(SyntaxFactory.Argument(CSharpHelper.MkCSharpStringLiteralExpression(it.Key))))
                        ),
                    SyntaxFactory.ObjectCreationExpression(
                        SyntaxFactory.GenericName(SyntaxFactory.Identifier("List"), SyntaxFactory.TypeArgumentList(SyntaxFactory.SingletonSeparatedList <TypeSyntax>(SyntaxFactory.IdentifierName("PrtEventValue")))),
                        SyntaxFactory.ArgumentList(),
                        SyntaxFactory.InitializerExpression(SyntaxKind.CollectionInitializerExpression, eventsParams))
                    );
                stmtList.Add(initStmt);
            }

            //send actions
            {
                var eventsParams = new SeparatedSyntaxList <ExpressionSyntax>();
                foreach (var ev in allTests[testName].sendActions)
                {
                    eventsParams = eventsParams.Add(CSharpHelper.MkCSharpStringLiteralExpression(ev));
                }
                var initStmt = CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
                    SyntaxFactory.IdentifierName("visibleEvents"),
                    SyntaxFactory.ObjectCreationExpression(
                        SyntaxFactory.GenericName(SyntaxFactory.Identifier("List"), SyntaxFactory.TypeArgumentList(SyntaxFactory.SingletonSeparatedList <TypeSyntax>(SyntaxFactory.IdentifierName("string")))),
                        SyntaxFactory.ArgumentList(),
                        SyntaxFactory.InitializerExpression(SyntaxKind.CollectionInitializerExpression, eventsParams))
                    );
                stmtList.Add(initStmt);
            }

            //interface actions
            {
                var interfaceParams = new SeparatedSyntaxList <ExpressionSyntax>();
                foreach (var it in allTests[testName].createActions)
                {
                    interfaceParams = interfaceParams.Add(CSharpHelper.MkCSharpStringLiteralExpression(it));
                }
                var initStmt = CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
                    SyntaxFactory.IdentifierName("visibleInterfaces"),
                    SyntaxFactory.ObjectCreationExpression(
                        SyntaxFactory.GenericName(SyntaxFactory.Identifier("List"), SyntaxFactory.TypeArgumentList(SyntaxFactory.SingletonSeparatedList <TypeSyntax>(SyntaxFactory.IdentifierName("string")))),
                        SyntaxFactory.ArgumentList(),
                        SyntaxFactory.InitializerExpression(SyntaxKind.CollectionInitializerExpression, interfaceParams))
                    );
                stmtList.Add(initStmt);
            }

            //initialize the interface types
            foreach (var it in allTests[testName].interfaceMap)
            {
                var initStmt = CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
                    SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, SyntaxFactory.ParenthesizedExpression(
                                                             CSharpHelper.MkCSharpCastExpression("PrtInterfaceType",
                                                                                                 SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, SyntaxFactory.IdentifierName("Types"), SyntaxFactory.IdentifierName(String.Format("type_{0}", it.Key))))),
                                                         SyntaxFactory.IdentifierName("permissions")),
                    SyntaxFactory.ElementAccessExpression(
                        SyntaxFactory.IdentifierName("interfaceMap"),
                        SyntaxFactory.BracketedArgumentList(SyntaxFactory.SingletonSeparatedList <ArgumentSyntax>(SyntaxFactory.Argument(CSharpHelper.MkCSharpStringLiteralExpression(it.Key))))
                        )
                    );
                stmtList.Add(initStmt);
            }

            //spec machine map
            foreach (var specMachine in allTests[testName].specMachineMap)
            {
                SeparatedSyntaxList <ExpressionSyntax> machines = new SeparatedSyntaxList <ExpressionSyntax>();
                machines = machines.AddRange(specMachine.Value.Select(x => CSharpHelper.MkCSharpStringLiteralExpression(x)));

                var addstmt =
                    CSharpHelper.MkCSharpInvocationExpression(
                        CSharpHelper.MkCSharpDot("specMachineMap", "Add"),
                        CSharpHelper.MkCSharpStringLiteralExpression(specMachine.Key),
                        SyntaxFactory.ObjectCreationExpression(
                            CSharpHelper.MkCSharpGenericListType(SyntaxFactory.IdentifierName("string")),
                            SyntaxFactory.ArgumentList(),
                            SyntaxFactory.InitializerExpression(SyntaxKind.CollectionInitializerExpression, machines))
                        );
                stmtList.Add(SyntaxFactory.ExpressionStatement(addstmt));
            }
            //link map
            //declare temp variable
            var dictStringString =
                SyntaxFactory.GenericName(
                    SyntaxFactory.Identifier("Dictionary"),
                    SyntaxFactory.TypeArgumentList(SyntaxFactory.SeparatedList <TypeSyntax>(
                                                       new SyntaxNodeOrToken[] {
                SyntaxFactory.PredefinedType(
                    SyntaxFactory.Token(SyntaxKind.StringKeyword)),
                SyntaxFactory.Token(SyntaxKind.CommaToken),
                SyntaxFactory.PredefinedType(
                    SyntaxFactory.Token(SyntaxKind.StringKeyword))
            }))
                    );

            stmtList.Add(
                SyntaxFactory.LocalDeclarationStatement(
                    SyntaxFactory.VariableDeclaration(
                        dictStringString,
                        SyntaxFactory.SingletonSeparatedList <VariableDeclaratorSyntax>(
                            SyntaxFactory.VariableDeclarator(
                                SyntaxFactory.Identifier("_temp"))
                            )
                        )
                    )
                );
            foreach (var creatorM in allTests[testName].linkMap)
            {
                var tempInit =
                    CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
                        SyntaxFactory.IdentifierName("_temp"),
                        CSharpHelper.MkCSharpObjectCreationExpression(dictStringString)
                        );
                stmtList.Add(tempInit);
                foreach (var linkmapitem in creatorM.Value)
                {
                    stmtList.Add(
                        SyntaxFactory.ExpressionStatement(
                            CSharpHelper.MkCSharpInvocationExpression(
                                CSharpHelper.MkCSharpDot("_temp", "Add"),
                                CSharpHelper.MkCSharpStringLiteralExpression(linkmapitem.Key),
                                CSharpHelper.MkCSharpStringLiteralExpression(linkmapitem.Value)
                                ))
                        );
                }

                var addLinkItem = SyntaxFactory.ExpressionStatement(
                    CSharpHelper.MkCSharpInvocationExpression(
                        CSharpHelper.MkCSharpDot("linkMap", "Add"),
                        CSharpHelper.MkCSharpStringLiteralExpression(creatorM.Key),
                        SyntaxFactory.IdentifierName("_temp"))
                    );
                stmtList.Add(addLinkItem);
            }



            var staticConstrutor = SyntaxFactory.ConstructorDeclaration(
                SyntaxFactory.Identifier("Application"))
                                   .WithModifiers(
                SyntaxFactory.TokenList(
                    SyntaxFactory.Token(SyntaxKind.StaticKeyword)))
                                   .WithBody(SyntaxFactory.Block(stmtList))
                                   .NormalizeWhitespace();

            return(staticConstrutor);
        }
Пример #5
0
            public SyntaxNode MkClass()
            {
                var generator = translator.generator;
                //StartState property (getter only, since there's no setter in the base class):
                string startState         = machineInfo.initStateName;
                var    startStateProperty =
                    SyntaxFactory.PropertyDeclaration(
                        SyntaxFactory.IdentifierName("PrtState"),
                        SyntaxFactory.Identifier("StartState"))
                    .WithModifiers(
                        SyntaxFactory.TokenList(
                            new[] {
                    SyntaxFactory.Token(SyntaxKind.PublicKeyword),
                    SyntaxFactory.Token(SyntaxKind.OverrideKeyword)
                }))
                    .WithAccessorList(
                        SyntaxFactory.AccessorList(
                            SyntaxFactory.SingletonList <AccessorDeclarationSyntax>(
                                SyntaxFactory.AccessorDeclaration(
                                    SyntaxKind.GetAccessorDeclaration,
                                    SyntaxFactory.Block(
                                        SyntaxFactory.SingletonList <StatementSyntax>(
                                            SyntaxFactory.ReturnStatement(
                                                SyntaxFactory.IdentifierName(startState))))))))
                    .NormalizeWhitespace();

                machineMembers.Add(startStateProperty);

                //Add getters/setters for machine variables:
                int ind = 0;

                foreach (var pair in machineInfo.localVariableToVarInfo)
                {
                    SyntaxTokenList modifiers = new SyntaxTokenList();
                    modifiers = modifiers.Add(SyntaxFactory.Token(SyntaxKind.PublicKeyword));
                    var getBody = SyntaxFactory.SingletonList <StatementSyntax>(SyntaxFactory.ReturnStatement(
                                                                                    (ExpressionSyntax)CSharpHelper.MkCSharpElementAccessExpression(
                                                                                        SyntaxFactory.IdentifierName("fields"), ind)));
                    var setBody = SyntaxFactory.SingletonList <StatementSyntax>((StatementSyntax)CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
                                                                                    (ExpressionSyntax)CSharpHelper.MkCSharpElementAccessExpression(
                                                                                        SyntaxFactory.IdentifierName("fields"), ind),
                                                                                    SyntaxFactory.IdentifierName("value")));
                    AccessorDeclarationSyntax[] accessorList = new AccessorDeclarationSyntax[]
                    { CSharpHelper.MkCSharpAccessor("get", getBody), CSharpHelper.MkCSharpAccessor("set", setBody) };
                    machineMembers.Add(CSharpHelper.MkCSharpPropertyDecl("PrtValue", VarName(pair.Key), modifiers, accessorList));
                    ind += 1;
                }

                var skeletonMethodBody = generator.ReturnStatement(generator.ObjectCreationExpression(generator.IdentifierName(machineName)));
                var skeletonMethodDecl = generator.MethodDeclaration("MakeSkeleton", null,
                                                                     null, generator.IdentifierName(machineInfo.IsReal ? "PrtImplMachine" : "PrtSpecMachine"),
                                                                     Accessibility.Public,
                                                                     DeclarationModifiers.Override,
                                                                     new SyntaxNode[] { skeletonMethodBody });

                machineMembers.Add(skeletonMethodDecl);

                //(this.GetType())
                var returnMethodPars = new SyntaxNode[]
                {
                    generator.InvocationExpression(generator.MemberAccessExpression(generator.ThisExpression(), generator.IdentifierName("GetType")))
                };
                //return app.NextMachineInstanceNumber(this.GetType());
                var nextInstanceNumberMethodBody = generator.ReturnStatement(generator.InvocationExpression(generator.MemberAccessExpression(
                                                                                                                generator.IdentifierName("app"), generator.IdentifierName("NextMachineInstanceNumber")), returnMethodPars));

                //(StateImpl app)
                if (machineInfo.IsReal)
                {
                    var methodPars = new SyntaxNode[] { generator.ParameterDeclaration("app", generator.IdentifierName("StateImpl")) };
                    var nextInstanceNumberMethodDecl = generator.MethodDeclaration("NextInstanceNumber", methodPars,
                                                                                   //null, generator.IdentifierName("int"),
                                                                                   null, generator.TypeExpression(SpecialType.System_Int32),
                                                                                   Accessibility.Public,
                                                                                   DeclarationModifiers.Override,
                                                                                   new SyntaxNode[] { nextInstanceNumberMethodBody });
                    machineMembers.Add(nextInstanceNumberMethodDecl);
                }

                //Name property (getter only):
                var nameProperty =
                    SyntaxFactory.PropertyDeclaration(
                        SyntaxFactory.PredefinedType(
                            SyntaxFactory.Token(SyntaxKind.StringKeyword)),
                        SyntaxFactory.Identifier("Name"))
                    .WithModifiers(
                        SyntaxFactory.TokenList(
                            new[] {
                    SyntaxFactory.Token(SyntaxKind.PublicKeyword),
                    SyntaxFactory.Token(SyntaxKind.OverrideKeyword)
                }))
                    .WithAccessorList(
                        SyntaxFactory.AccessorList(
                            SyntaxFactory.SingletonList <AccessorDeclarationSyntax>(
                                SyntaxFactory.AccessorDeclaration(
                                    SyntaxKind.GetAccessorDeclaration,
                                    SyntaxFactory.Block(
                                        SyntaxFactory.SingletonList <StatementSyntax>(
                                            SyntaxFactory.ReturnStatement(
                                                SyntaxFactory.IdentifierName("\"" + machineName + "\""))))))))
                    .NormalizeWhitespace();

                machineMembers.Add(nameProperty);

                //constructor for cloning
                var constructor_1 = generator.ConstructorDeclaration(machineName, null, Accessibility.Public, baseConstructorArguments: new SyntaxNode[0]);

                machineMembers.Add(constructor_1);

                //Machine class constructor
                //public PONG(StateImpl app, int maxB, bool assume): base (app, maxB, assume)
                List <SyntaxNode> constructorStmtList = new List <SyntaxNode>();

                foreach (var varInfo in machineInfo.localVariableToVarInfo.Values)
                {
                    var defaultValue = CSharpHelper.MkCSharpInvocationExpression(SyntaxFactory.MemberAccessExpression(
                                                                                     SyntaxKind.SimpleMemberAccessExpression,
                                                                                     SyntaxFactory.IdentifierName("PrtValue"),
                                                                                     SyntaxFactory.IdentifierName("PrtMkDefaultValue")), translator.typeContext.PTypeToCSharpExpr(varInfo.type));
                    constructorStmtList.Add(SyntaxFactory.ExpressionStatement(CSharpHelper.MkCSharpInvocationExpression(CSharpHelper.MkCSharpDot("fields", "Add"), defaultValue)));
                }
                if (machineInfo.IsReal)
                {
                    var constructorPars = new SyntaxNode[]
                    {
                        generator.ParameterDeclaration("app", generator.IdentifierName("StateImpl")),
                        generator.ParameterDeclaration("maxB", generator.TypeExpression(SpecialType.System_Int32)),
                        generator.ParameterDeclaration("assume", generator.TypeExpression(SpecialType.System_Boolean))
                    };
                    var baseConstructorArgs = new SyntaxNode[] { generator.IdentifierName("app"), generator.IdentifierName("maxB"), generator.IdentifierName("assume") };

                    var constructor_2 = generator.ConstructorDeclaration(machineName, constructorPars, Accessibility.Public,
                                                                         baseConstructorArguments: baseConstructorArgs,
                                                                         statements: constructorStmtList);
                    machineMembers.Add(constructor_2);
                }
                else
                {
                    var constructorPars = new SyntaxNode[]
                    {
                        generator.ParameterDeclaration("app", generator.IdentifierName("StateImpl"))
                    };
                    var baseConstructorArgs = new SyntaxNode[] { generator.IdentifierName("app") };
                    var constructor_2       = generator.ConstructorDeclaration(machineName, constructorPars, Accessibility.Public,
                                                                               baseConstructorArguments: baseConstructorArgs,
                                                                               statements: constructorStmtList);
                    machineMembers.Add(constructor_2);
                }

                // Fun classes for all functions of the machine:
                foreach (var pair in machineInfo.funNameToFunInfo)
                {
                    MkFunctionDecl funDecl = new MkFunctionDecl(pair.Key, pair.Value, this, translator);
                    funDecl.AddFunClass();
                }

                foreach (var pair in machineInfo.stateNameToStateInfo)
                {
                    string stateName = pair.Key;
                    string stateType = stateName + "_Class";
                    //state instantiation for the machine class constructor:
                    //Example:
                    //PONG_Pong_WaitPing = new PONG_Pong_WaitPing_Class("PONG_Pong_WaitPing", AnonFun1, AnonFun0, false, StateTemperature.Warm);
                    //Consider 6 cases (write a mmethod): for each bool value of hasNullTransition, there are 3 possible "temperatures"
                    mainConstructorFields.Add(MkStateInstantiation(stateName, stateType, pair.Value.entryActionName, pair.Value.exitFunName,
                                                                   pair.Value.hasNullTransition, pair.Value.temperature));
                }

                //State classes for all states of the machine:
                foreach (var pair in machineInfo.stateNameToStateInfo)
                {
                    string stateName = pair.Key;
                    string stateType = stateName + "_Class";
                    //state class declaration:
                    var stateClassDecl =
                        SyntaxFactory.ClassDeclaration(stateType)
                        .WithModifiers(
                            SyntaxFactory.TokenList(
                                SyntaxFactory.Token(SyntaxKind.PublicKeyword)))
                        .WithBaseList(
                            SyntaxFactory.BaseList(
                                SyntaxFactory.SingletonSeparatedList <BaseTypeSyntax>(
                                    SyntaxFactory.SimpleBaseType(
                                        SyntaxFactory.IdentifierName("PrtState")))))
                        .WithMembers(
                            SyntaxFactory.SingletonList <MemberDeclarationSyntax>(
                                SyntaxFactory.ConstructorDeclaration(
                                    SyntaxFactory.Identifier(stateType))
                                .WithModifiers(
                                    SyntaxFactory.TokenList(
                                        SyntaxFactory.Token(SyntaxKind.PublicKeyword)))
                                .WithParameterList(
                                    SyntaxFactory.ParameterList(
                                        SyntaxFactory.SeparatedList <ParameterSyntax>(
                                            new SyntaxNodeOrToken[] {
                        SyntaxFactory.Parameter(
                            SyntaxFactory.Identifier("name"))
                        .WithType(
                            SyntaxFactory.PredefinedType(
                                SyntaxFactory.Token(SyntaxKind.StringKeyword))),
                        SyntaxFactory.Token(SyntaxKind.CommaToken),
                        SyntaxFactory.Parameter(
                            SyntaxFactory.Identifier("entryFun"))
                        .WithType(
                            SyntaxFactory.IdentifierName("PrtFun")),
                        SyntaxFactory.Token(SyntaxKind.CommaToken),
                        SyntaxFactory.Parameter(
                            SyntaxFactory.Identifier("exitFun"))
                        .WithType(
                            SyntaxFactory.IdentifierName("PrtFun")),
                        SyntaxFactory.Token(SyntaxKind.CommaToken),
                        SyntaxFactory.Parameter(
                            SyntaxFactory.Identifier("hasNullTransition"))
                        .WithType(
                            SyntaxFactory.PredefinedType(
                                SyntaxFactory.Token(SyntaxKind.BoolKeyword))),
                        SyntaxFactory.Token(SyntaxKind.CommaToken),
                        SyntaxFactory.Parameter(
                            SyntaxFactory.Identifier("temperature"))
                        .WithType(
                            SyntaxFactory.IdentifierName("StateTemperature"))
                    })))
                                .WithInitializer(
                                    SyntaxFactory.ConstructorInitializer(
                                        SyntaxKind.BaseConstructorInitializer,
                                        SyntaxFactory.ArgumentList(
                                            SyntaxFactory.SeparatedList <ArgumentSyntax>(
                                                new SyntaxNodeOrToken[] {
                        SyntaxFactory.Argument(
                            SyntaxFactory.IdentifierName("name")),
                        SyntaxFactory.Token(SyntaxKind.CommaToken),
                        SyntaxFactory.Argument(
                            SyntaxFactory.IdentifierName("entryFun")),
                        SyntaxFactory.Token(SyntaxKind.CommaToken),
                        SyntaxFactory.Argument(
                            SyntaxFactory.IdentifierName("exitFun")),
                        SyntaxFactory.Token(SyntaxKind.CommaToken),
                        SyntaxFactory.Argument(
                            SyntaxFactory.IdentifierName("hasNullTransition")),
                        SyntaxFactory.Token(SyntaxKind.CommaToken),
                        SyntaxFactory.Argument(
                            SyntaxFactory.IdentifierName("temperature"))
                    }))))
                                .WithBody(
                                    SyntaxFactory.Block())))
                        .NormalizeWhitespace();
                    machineMembers.Add(stateClassDecl);

                    //state declaration:
                    //Example: public static Init Init_State;
                    var stateDeclaration =
                        SyntaxFactory.FieldDeclaration(
                            SyntaxFactory.VariableDeclaration(
                                SyntaxFactory.IdentifierName(stateType))
                            .WithVariables(
                                SyntaxFactory.SingletonSeparatedList <VariableDeclaratorSyntax>(
                                    SyntaxFactory.VariableDeclarator(
                                        SyntaxFactory.Identifier(stateName)))))
                        .WithModifiers(
                            SyntaxFactory.TokenList(
                                new[] {
                        SyntaxFactory.Token(SyntaxKind.PublicKeyword),
                        SyntaxFactory.Token(SyntaxKind.StaticKeyword)
                    }))
                        .NormalizeWhitespace();
                    machineMembers.Add(stateDeclaration);

                    //Add DoDecls to the StateInfo:
                    foreach (var doFun in pair.Value.dos)
                    {
                        ExpressionSyntax doFunExpr = SyntaxFactory.IdentifierName(doFun.Value);
                        if (doFun.Value == "ignore")
                        {
                            doFunExpr = SyntaxFactory.MemberAccessExpression(
                                SyntaxKind.SimpleMemberAccessExpression,
                                SyntaxFactory.IdentifierName("PrtFun"),
                                SyntaxFactory.IdentifierName("IgnoreFun"));
                        }
                        mainConstructorFields.Add(
                            SyntaxFactory.ExpressionStatement(
                                SyntaxFactory.InvocationExpression(
                                    SyntaxFactory.MemberAccessExpression(
                                        SyntaxKind.SimpleMemberAccessExpression,
                                        SyntaxFactory.MemberAccessExpression(
                                            SyntaxKind.SimpleMemberAccessExpression,
                                            SyntaxFactory.IdentifierName(stateName),
                                            SyntaxFactory.IdentifierName("dos")),
                                        SyntaxFactory.IdentifierName("Add")))
                                .WithArgumentList(
                                    SyntaxFactory.ArgumentList(
                                        SyntaxFactory.SeparatedList <ArgumentSyntax>(
                                            new SyntaxNodeOrToken[] {
                            SyntaxFactory.Argument(
                                translator.GetEventVar(doFun.Key)),
                            SyntaxFactory.Token(SyntaxKind.CommaToken),
                            SyntaxFactory.Argument(doFunExpr)
                        }))))
                            .NormalizeWhitespace()
                            );
                    }

                    //Add deferred events (if any) to the state:
                    foreach (var deferredEvent in pair.Value.deferredEvents)
                    {
                        mainConstructorFields.Add(
                            SyntaxFactory.ExpressionStatement(
                                SyntaxFactory.InvocationExpression(
                                    SyntaxFactory.MemberAccessExpression(
                                        SyntaxKind.SimpleMemberAccessExpression,
                                        SyntaxFactory.MemberAccessExpression(
                                            SyntaxKind.SimpleMemberAccessExpression,
                                            SyntaxFactory.IdentifierName(stateName),
                                            SyntaxFactory.IdentifierName("deferredSet")),
                                        SyntaxFactory.IdentifierName("Add")))
                                .WithArgumentList(
                                    SyntaxFactory.ArgumentList(
                                        SyntaxFactory.SingletonSeparatedList <ArgumentSyntax>(
                                            SyntaxFactory.Argument(
                                                translator.GetEventVar(deferredEvent))))))
                            .NormalizeWhitespace()
                            );
                    }

                    //Transition instantiations for the state of the machine:

                    //"transition" + "_" + transition_count
                    foreach (var transition in pair.Value.transitions)
                    {
                        string trigger         = transition.Key;
                        string transition_name = "transition" + "_" + transition_count;
                        if (transition.Value.IsPush)
                        {
                            //push transition:
                            mainConstructorFields.Add(
                                SyntaxFactory.LocalDeclarationStatement(
                                    SyntaxFactory.VariableDeclaration(
                                        SyntaxFactory.IdentifierName("PrtTransition"))
                                    .WithVariables(
                                        SyntaxFactory.SingletonSeparatedList <VariableDeclaratorSyntax>(
                                            SyntaxFactory.VariableDeclarator(
                                                SyntaxFactory.Identifier(transition_name))
                                            .WithInitializer(
                                                SyntaxFactory.EqualsValueClause(
                                                    SyntaxFactory.ObjectCreationExpression(
                                                        SyntaxFactory.IdentifierName("PrtTransition"))
                                                    .WithArgumentList(
                                                        SyntaxFactory.ArgumentList(
                                                            SyntaxFactory.SeparatedList <ArgumentSyntax>(
                                                                new SyntaxNodeOrToken[] {
                                SyntaxFactory.Argument(
                                    SyntaxFactory.MemberAccessExpression(
                                        SyntaxKind.SimpleMemberAccessExpression,
                                        SyntaxFactory.IdentifierName("PrtFun"),
                                        SyntaxFactory.IdentifierName("IgnoreFun"))),
                                SyntaxFactory.Token(SyntaxKind.CommaToken),
                                SyntaxFactory.Argument(
                                    SyntaxFactory.IdentifierName(transition.Value.target)),
                                SyntaxFactory.Token(SyntaxKind.CommaToken),
                                SyntaxFactory.Argument(
                                    SyntaxFactory.LiteralExpression(
                                        SyntaxKind.TrueLiteralExpression))
                            }))))))))
                                .NormalizeWhitespace());
                        }
                        else
                        {
                            //goto transition:
                            mainConstructorFields.Add(
                                SyntaxFactory.LocalDeclarationStatement(
                                    SyntaxFactory.VariableDeclaration(
                                        SyntaxFactory.IdentifierName("PrtTransition"))
                                    .WithVariables(
                                        SyntaxFactory.SingletonSeparatedList <VariableDeclaratorSyntax>(
                                            SyntaxFactory.VariableDeclarator(
                                                SyntaxFactory.Identifier("transition" + "_" + transition_count))
                                            .WithInitializer(
                                                SyntaxFactory.EqualsValueClause(
                                                    SyntaxFactory.ObjectCreationExpression(
                                                        SyntaxFactory.IdentifierName("PrtTransition"))
                                                    .WithArgumentList(
                                                        SyntaxFactory.ArgumentList(
                                                            SyntaxFactory.SeparatedList <ArgumentSyntax>(
                                                                new SyntaxNodeOrToken[] {
                                SyntaxFactory.Argument(
                                    SyntaxFactory.IdentifierName(transition.Value.transFunName)),
                                SyntaxFactory.Token(SyntaxKind.CommaToken),
                                SyntaxFactory.Argument(
                                    SyntaxFactory.IdentifierName(transition.Value.target)),
                                SyntaxFactory.Token(SyntaxKind.CommaToken),
                                SyntaxFactory.Argument(
                                    SyntaxFactory.LiteralExpression(
                                        SyntaxKind.FalseLiteralExpression))
                            }))))))))
                                .NormalizeWhitespace());
                        }
                        //Add transition to the state:
                        mainConstructorFields.Add(
                            SyntaxFactory.ExpressionStatement(
                                SyntaxFactory.InvocationExpression(
                                    SyntaxFactory.MemberAccessExpression(
                                        SyntaxKind.SimpleMemberAccessExpression,
                                        SyntaxFactory.MemberAccessExpression(
                                            SyntaxKind.SimpleMemberAccessExpression,
                                            SyntaxFactory.IdentifierName(stateName),
                                            SyntaxFactory.IdentifierName("transitions")),
                                        SyntaxFactory.IdentifierName("Add")))
                                .WithArgumentList(
                                    SyntaxFactory.ArgumentList(
                                        SyntaxFactory.SeparatedList <ArgumentSyntax>(
                                            new SyntaxNodeOrToken[] {
                            SyntaxFactory.Argument(
                                translator.GetEventVar(trigger)),
                            SyntaxFactory.Token(SyntaxKind.CommaToken),
                            SyntaxFactory.Argument(
                                SyntaxFactory.IdentifierName(transition_name))
                        }))))
                            .NormalizeWhitespace()
                            );
                        transition_count += 1;
                    }
                }

                //Constructor for the machine class:
                //static Machine()
                var mainConstructor =
                    SyntaxFactory.ConstructorDeclaration(
                        SyntaxFactory.Identifier(machineName))
                    .WithModifiers(
                        SyntaxFactory.TokenList(
                            SyntaxFactory.Token(SyntaxKind.StaticKeyword)))
                    .WithBody(
                        SyntaxFactory.Block(mainConstructorFields
                                            ))
                    .NormalizeWhitespace();

                machineMembers.Add(mainConstructor);

                var mainMachineClassDecl = generator.ClassDeclaration(
                    machineName, typeParameters: null,
                    accessibility: Accessibility.Public,
                    baseType: generator.IdentifierName(machineInfo.IsReal ? "PrtImplMachine" : "PrtSpecMachine"),
                    members: machineMembers);

                return(mainMachineClassDecl);
            }