Exemple #1
0
        private bool CanGenerateAFAMultiEventListPipe()
        {
            var typeOfTKey      = typeof(TKey);
            var typeOfTPayload  = typeof(TPayload);
            var typeOfTRegister = typeof(TRegister);

            if (!typeOfTPayload.CanRepresentAsColumnar())
            {
                return(false);
            }
            if (!typeOfTRegister.CanRepresentAsColumnar())
            {
                return(false);
            }
            if (typeOfTKey.GetPartitionType() != null)
            {
                return(false);
            }

            var lookupKey = CacheKey.Create((object)this.afa);

            var generatedPipeType = cachedPipes.GetOrAdd(lookupKey, key => AfaMultiEventListTemplate.GenerateAFA(this));

            this.errorMessages = generatedPipeType.Item2;
            return(generatedPipeType.Item1 != null);
        }
Exemple #2
0
        private UnaryPipe <TKey, TPayload, TRegister> GetAFAMultiEventListPipe(IStreamObserver <TKey, TRegister> observer)
        {
            var lookupKey         = CacheKey.Create((object)this.afa);
            var generatedPipeType = cachedPipes.GetOrAdd(lookupKey, key => AfaMultiEventListTemplate.GenerateAFA(this));

            var instance    = Activator.CreateInstance(generatedPipeType.Item1, this, observer, this.afa, this.MaxDuration);
            var returnValue = (UnaryPipe <TKey, TPayload, TRegister>)instance;

            return(returnValue);
        }
Exemple #3
0
        internal static Tuple <Type, string> GenerateAFA <TKey, TPayload, TRegister, TAccumulator>(
            AfaStreamable <TKey, TPayload, TRegister, TAccumulator> stream)
        {
            Contract.Requires(stream != null);
            Contract.Ensures(Contract.Result <Tuple <Type, string> >() == null || typeof(UnaryPipe <TKey, TPayload, TRegister>).GetTypeInfo().IsAssignableFrom(Contract.Result <Tuple <Type, string> >().Item1));

            string errorMessages = null;

            try
            {
                var className = string.Format("Generated{1}AfaMultiEventList_{0}", AFASequenceNumber++, typeof(TKey).Equals(typeof(Empty)) ? string.Empty : "Grouped");
                var template  = new AfaMultiEventListTemplate(className, typeof(TKey), typeof(TPayload), typeof(TRegister), typeof(TAccumulator))
                {
                    TKey = typeof(TKey).GetCSharpSourceSyntax()
                };
                var payloadRepresentation =
                    Config.ForceRowBasedExecution
                    ?
                    new ColumnarRepresentation(typeof(TPayload))
                    :
                    new ColumnarRepresentation(typeof(TPayload))
                ;

                template.isFinal                   = stream.afa.isFinal;
                template.hasOutgoingArcs           = stream.afa.hasOutgoingArcs;
                template.startStates               = stream.afa.startStates;
                template.AllowOverlappingInstances = stream.afa.uncompiledAfa.AllowOverlappingInstances;
                template.payloadIsAnon             = typeof(TPayload).IsAnonymousTypeName();
                template.payloadHasNoFields        = payloadRepresentation.noFields;

                var d1          = stream.afa.uncompiledAfa.transitionInfo;
                var orderedKeys = d1.Keys.OrderBy(e => e).ToArray();
                for (int i = 0; i < orderedKeys.Length; i++)
                {
                    var sourceNodeNumber        = orderedKeys[i];
                    var outgoingEdgesDictionary = d1[sourceNodeNumber];
                    var orderedTargetNodes      = outgoingEdgesDictionary.Keys.OrderBy(e => e).ToArray();
                    var edgeList = new List <EdgeInfo>();
                    for (int j = 0; j < orderedTargetNodes.Length; j++)
                    {
                        var targetNodeNumber = orderedTargetNodes[j];
                        var edge             = outgoingEdgesDictionary[targetNodeNumber];
                        if (edge is MultiElementArc <TPayload, TRegister, TAccumulator> multiArc)
                        {
                            var multiEdgeInfo = new MultiEdgeInfo()
                            {
                                SourceNode            = sourceNodeNumber,
                                TargetNode            = targetNodeNumber,
                                fromStartState        = stream.afa.startStates.Any(n => n == sourceNodeNumber),
                                EpsilonReachableNodes = EpsilonClosure(stream.afa, targetNodeNumber),
                                Initialize            = (ts, reg) => multiArc.Initialize.Inline(ts, reg),
                                Accumulate            = (ts, ev, reg, acc) => multiArc.Accumulate.Inline(ts, ev, reg, acc),
                                Fence = (ts, acc, reg) => multiArc.Fence.Inline(ts, acc, reg),
                            };
                            if (multiArc.Transfer == null)
                            {
                                multiEdgeInfo.Transfer = null;
                            }
                            else
                            {
                                multiEdgeInfo.Transfer = (ts, acc, reg) => multiArc.Transfer.Inline(ts, acc, reg);
                            }
                            if (multiArc.Dispose == null)
                            {
                                multiEdgeInfo.Dispose = (acc) => "// no dispose function";
                            }
                            else
                            {
                                multiEdgeInfo.Dispose = (acc) => multiArc.Dispose.Inline(acc);
                            }
                            if (multiArc.SkipToEnd == null)
                            {
                                multiEdgeInfo.SkipToEnd = null;
                            }
                            else
                            {
                                multiEdgeInfo.SkipToEnd = (ts, ev, acc) => multiArc.SkipToEnd.Inline(ts, ev, acc);
                            }

                            edgeList.Add(multiEdgeInfo);
                            continue;
                        }
                        if (edge is SingleElementArc <TPayload, TRegister> singleArc)
                        {
                            var edgeInfo = CreateSingleEdgeInfo(stream, targetNodeNumber, singleArc, "payloadoffset");
                            edgeList.Add(edgeInfo);
                            continue;
                        }
                        if (edge is ListElementArc <TPayload, TRegister> listArc)
                        {
                            var edgeInfo = CreateListEdgeInfo(stream, payloadRepresentation, targetNodeNumber, listArc, "payloadoffset");
                            edgeList.Add(edgeInfo);
                            continue;
                        }
                    }
                    template.edgeInfos.Add(Tuple.Create(sourceNodeNumber, edgeList));
                }
                for (int i = 0; i < stream.afa.startStates.Length; i++)
                {
                    var startState             = stream.afa.startStates[i];
                    var edgeList2              = new List <EdgeInfo>();
                    var outgoingEdgeDictionary = stream.afa.uncompiledAfa.transitionInfo[startState];
                    foreach (var edge in outgoingEdgeDictionary)
                    {
                        var targetNode = edge.Key;
                        var arc        = edge.Value;
                        if (arc is MultiElementArc <TPayload, TRegister, TAccumulator> multiArc)
                        {
                            var eps = EpsilonClosure(stream.afa, targetNode);

                            var multiEdgeInfo = new MultiEdgeInfo()
                            {
                                SourceNode            = startState,
                                TargetNode            = targetNode,
                                fromStartState        = true,
                                EpsilonReachableNodes = EpsilonClosure(stream.afa, targetNode),
                                Initialize            = (ts, reg) => multiArc.Initialize.Inline(ts, reg),
                                Accumulate            = (ts, ev, reg, acc) => multiArc.Accumulate.Inline(ts, ev, reg, acc),
                                Fence = (ts, acc, reg) => multiArc.Fence.Inline(ts, acc, reg),
                            };
                            if (multiArc.Transfer == null)
                            {
                                multiEdgeInfo.Transfer = null;
                            }
                            else
                            {
                                multiEdgeInfo.Transfer = (ts, acc, reg) => multiArc.Transfer.Inline(ts, acc, reg);
                            }
                            if (multiArc.Dispose == null)
                            {
                                multiEdgeInfo.Dispose = (acc) => "// no dispose function";
                            }
                            else
                            {
                                multiEdgeInfo.Dispose = (acc) => multiArc.Dispose.Inline(acc);
                            }
                            if (multiArc.SkipToEnd == null)
                            {
                                multiEdgeInfo.SkipToEnd = null;
                            }
                            else
                            {
                                multiEdgeInfo.SkipToEnd = (ts, ev, acc) => multiArc.SkipToEnd.Inline(ts, ev, acc);
                            }
                            edgeList2.Add(multiEdgeInfo);
                            continue;
                        }
                        if (arc is SingleElementArc <TPayload, TRegister> singleArc)
                        {
                            var edgeInfo = CreateSingleEdgeInfo(stream, targetNode, singleArc, "payloadoffset");
                            edgeList2.Add(edgeInfo);
                            continue;
                        }
                        if (arc is ListElementArc <TPayload, TRegister> listArc)
                        {
                            var edgeInfo = CreateListEdgeInfo(stream, payloadRepresentation, targetNode, listArc, "payloadoffset");
                            edgeList2.Add(edgeInfo);
                            continue;
                        }
                    }

                    template.startEdgeInfos.Add(Tuple.Create(startState, edgeList2));
                }

                template.isSyncTimeSimultaneityFree = true; // The handwritten version doesn't make a distinction.
                template.keyEqualityComparer        =
                    (left, right) =>
                    stream.Properties.KeyEqualityComparer.GetEqualsExpr().Inline(left, right);

                var expandedCode = template.TransformText();

                var assemblyReferences = Transformer.AssemblyReferencesNeededFor(typeof(TKey), typeof(TPayload), typeof(TRegister), typeof(Queue <>));
                assemblyReferences.Add(typeof(IStreamable <,>).GetTypeInfo().Assembly);
                assemblyReferences.Add(Transformer.GeneratedStreamMessageAssembly <TKey, TPayload>());
                assemblyReferences.Add(Transformer.GeneratedStreamMessageAssembly <TKey, TRegister>());
                assemblyReferences.Add(Transformer.GeneratedMemoryPoolAssembly <TKey, TRegister>());

                var a = Transformer.CompileSourceCode(expandedCode, assemblyReferences, out errorMessages);
                var t = a.GetType(template.className);
                if (t.GetTypeInfo().IsGenericType)
                {
                    var list = typeof(TKey).GetAnonymousTypes();
                    list.AddRange(template.payloadType.GetAnonymousTypes());
                    list.AddRange(template.registerType.GetAnonymousTypes());
                    t = t.MakeGenericType(list.ToArray());
                }
                return(Tuple.Create(t, errorMessages));
            }
            catch
            {
                if (Config.CodegenOptions.DontFallBackToRowBasedExecution)
                {
                    throw new InvalidOperationException("Code Generation failed when it wasn't supposed to!");
                }
                return(Tuple.Create((Type)null, errorMessages));
            }
        }
        internal static Tuple <Type, string> GenerateAFA <TKey, TPayload, TRegister, TAccumulator>(
            AfaStreamable <TKey, TPayload, TRegister, TAccumulator> stream)
        {
            Contract.Requires(stream != null);
            Contract.Ensures(Contract.Result <Tuple <Type, string> >() == null || typeof(UnaryPipe <TKey, TPayload, TRegister>).GetTypeInfo().IsAssignableFrom(Contract.Result <Tuple <Type, string> >().Item1));

            var className = string.Format("Generated{1}AfaMultiEventList_{0}", AFASequenceNumber++, typeof(TKey).Equals(typeof(Empty)) ? string.Empty : "Grouped");
            var template  = new AfaMultiEventListTemplate(className, typeof(TKey), typeof(TPayload), typeof(TRegister), typeof(TAccumulator))
            {
                TKey = typeof(TKey).GetCSharpSourceSyntax()
            };
            var payloadRepresentation = new ColumnarRepresentation(typeof(TPayload));

            template.isFinal                   = stream.afa.isFinal;
            template.hasOutgoingArcs           = stream.afa.hasOutgoingArcs;
            template.startStates               = stream.afa.startStates;
            template.AllowOverlappingInstances = stream.afa.uncompiledAfa.AllowOverlappingInstances;
            template.payloadIsAnon             = typeof(TPayload).IsAnonymousTypeName();
            template.payloadHasNoFields        = payloadRepresentation.noFields;

            var d1          = stream.afa.uncompiledAfa.transitionInfo;
            var orderedKeys = d1.Keys.OrderBy(e => e).ToArray();

            for (int i = 0; i < orderedKeys.Length; i++)
            {
                var sourceNodeNumber        = orderedKeys[i];
                var outgoingEdgesDictionary = d1[sourceNodeNumber];
                var orderedTargetNodes      = outgoingEdgesDictionary.Keys.OrderBy(e => e).ToArray();
                var edgeList = new List <EdgeInfo>();
                for (int j = 0; j < orderedTargetNodes.Length; j++)
                {
                    var targetNodeNumber = orderedTargetNodes[j];
                    var edge             = outgoingEdgesDictionary[targetNodeNumber];
                    if (edge is MultiElementArc <TPayload, TRegister, TAccumulator> multiArc)
                    {
                        var multiEdgeInfo = new MultiEdgeInfo()
                        {
                            SourceNode            = sourceNodeNumber,
                            TargetNode            = targetNodeNumber,
                            fromStartState        = stream.afa.startStates.Any(n => n == sourceNodeNumber),
                            EpsilonReachableNodes = EpsilonClosure(stream.afa, targetNodeNumber),
                            Initialize            = (ts, reg) => multiArc.Initialize.Inline(ts, reg),
                            Accumulate            = (ts, ev, reg, acc) => multiArc.Accumulate.Inline(ts, ev, reg, acc),
                            Fence = (ts, acc, reg) => multiArc.Fence.Inline(ts, acc, reg),
                        };

                        multiEdgeInfo.Transfer = multiArc.Transfer == null
                            ? (Func <string, string, string, string>)null
                            : ((ts, acc, reg) => multiArc.Transfer.Inline(ts, acc, reg));

                        if (multiArc.Dispose == null)
                        {
                            multiEdgeInfo.Dispose = (acc) => "// no dispose function";
                        }
                        else
                        {
                            multiEdgeInfo.Dispose = (acc) => multiArc.Dispose.Inline(acc);
                        }

                        multiEdgeInfo.SkipToEnd = multiArc.SkipToEnd == null
                            ? (Func <string, string, string, string>)null
                            : ((ts, ev, acc) => multiArc.SkipToEnd.Inline(ts, ev, acc));

                        edgeList.Add(multiEdgeInfo);
                        continue;
                    }
                    if (edge is SingleElementArc <TPayload, TRegister> singleArc)
                    {
                        var edgeInfo = CreateSingleEdgeInfo(stream, targetNodeNumber, singleArc, "payloadoffset");
                        edgeList.Add(edgeInfo);
                        continue;
                    }
                    if (edge is ListElementArc <TPayload, TRegister> listArc)
                    {
                        var edgeInfo = CreateListEdgeInfo(stream, payloadRepresentation, targetNodeNumber, listArc, "payloadoffset");
                        edgeList.Add(edgeInfo);
                        continue;
                    }
                }
                template.edgeInfos.Add(Tuple.Create(sourceNodeNumber, edgeList));
            }
            for (int i = 0; i < stream.afa.startStates.Length; i++)
            {
                var startState             = stream.afa.startStates[i];
                var edgeList2              = new List <EdgeInfo>();
                var outgoingEdgeDictionary = stream.afa.uncompiledAfa.transitionInfo[startState];
                foreach (var edge in outgoingEdgeDictionary)
                {
                    var targetNode = edge.Key;
                    var arc        = edge.Value;
                    if (arc is MultiElementArc <TPayload, TRegister, TAccumulator> multiArc)
                    {
                        var eps = EpsilonClosure(stream.afa, targetNode);

                        var multiEdgeInfo = new MultiEdgeInfo()
                        {
                            SourceNode            = startState,
                            TargetNode            = targetNode,
                            fromStartState        = true,
                            EpsilonReachableNodes = EpsilonClosure(stream.afa, targetNode),
                            Initialize            = (ts, reg) => multiArc.Initialize.Inline(ts, reg),
                            Accumulate            = (ts, ev, reg, acc) => multiArc.Accumulate.Inline(ts, ev, reg, acc),
                            Fence = (ts, acc, reg) => multiArc.Fence.Inline(ts, acc, reg),
                        };

                        multiEdgeInfo.Transfer = multiArc.Transfer == null
                            ? (Func <string, string, string, string>)null
                            : ((ts, acc, reg) => multiArc.Transfer.Inline(ts, acc, reg));

                        if (multiArc.Dispose == null)
                        {
                            multiEdgeInfo.Dispose = (acc) => "// no dispose function";
                        }
                        else
                        {
                            multiEdgeInfo.Dispose = (acc) => multiArc.Dispose.Inline(acc);
                        }

                        multiEdgeInfo.SkipToEnd = multiArc.SkipToEnd == null
                            ? (Func <string, string, string, string>)null
                            : ((ts, ev, acc) => multiArc.SkipToEnd.Inline(ts, ev, acc));

                        edgeList2.Add(multiEdgeInfo);
                        continue;
                    }
                    if (arc is SingleElementArc <TPayload, TRegister> singleArc)
                    {
                        var edgeInfo = CreateSingleEdgeInfo(stream, targetNode, singleArc, "payloadoffset");
                        edgeList2.Add(edgeInfo);
                        continue;
                    }
                    if (arc is ListElementArc <TPayload, TRegister> listArc)
                    {
                        var edgeInfo = CreateListEdgeInfo(stream, payloadRepresentation, targetNode, listArc, "payloadoffset");
                        edgeList2.Add(edgeInfo);
                        continue;
                    }
                }

                template.startEdgeInfos.Add(Tuple.Create(startState, edgeList2));
            }

            template.isSyncTimeSimultaneityFree = true; // The handwritten version doesn't make a distinction.
            template.keyEqualityComparer        =
                (left, right) =>
                stream.Properties.KeyEqualityComparer.GetEqualsExpr().Inline(left, right);

            return(template.Generate <TKey, TPayload, TRegister, TAccumulator>());
        }