/*	[Signature("(LGraph;Ljava/lang/Iterable<Ljava/lang/Integer;>;)V")]*/

    private void bfs(Graph graph, Iterable iterable)
    {
        Queue    queue    = new Queue();
        Iterator iterator = iterable.iterator();

        while (iterator.hasNext())
        {
            int num = ((Integer)iterator.next()).intValue();
            this.marked[num] = true;
            this.distTo[num] = 0;
            queue.enqueue(Integer.valueOf(num));
        }
        while (!queue.isEmpty())
        {
            int      num2      = ((Integer)queue.dequeue()).intValue();
            Iterator iterator2 = graph.adj(num2).iterator();
            while (iterator2.hasNext())
            {
                int num3 = ((Integer)iterator2.next()).intValue();
                if (!this.marked[num3])
                {
                    this.edgeTo[num3] = num2;
                    this.distTo[num3] = this.distTo[num2] + 1;
                    this.marked[num3] = true;
                    queue.enqueue(Integer.valueOf(num3));
                }
            }
        }
    }
Example #2
0
 void TryGetNext()
 {
     if (Iterator == null)
     {
         Iterator = Source.iterator();
     }
     while (true)
     {
         var hasNext = Iterator.hasNext();
         if (!hasNext)
         {
             OnNoMoreNext();
             if (IsYieldBreak)
             {
                 break;
             }
             else
             {
                 throw new RuntimeException("MyIteratorException");
             }
         }
         var item = Iterator.next();
         Process(item);
         if (IsYieldReturn)
         {
             break;
         }
         if (IsYieldBreak)
         {
             break;
         }
     }
 }
Example #3
0
 public static void forEach(Iterable @this, java.util.function.Consumer consumer)
 {
     java.util.Iterator i = @this.iterator();
     while (i.hasNext())
     {
         consumer.accept(i.next());
     }
 }
        public static IEnumerable <T> AsEnumerable <T>(this Iterable iterable)
        {
            var iterator = iterable.iterator();

            while (iterator.hasNext())
            {
                yield return((T)iterator.next());
            }
        }
Example #5
0
        internal static IEnumerable <T> IterableToEnumerable <T>(Iterable <T> iterable)
        {
            Iterator <T> iterator = iterable.iterator();

            while (iterator.hasNext())
            {
                yield return(iterator.next());
            }
        }
Example #6
0
    public static IEnumerable ToEnumerable(Iterable iterable)
    {
        var iterator = iterable.iterator();

        while (iterator.hasNext())
        {
            yield return(iterator.next());
        }
    }
Example #7
0
        public static IEnumerable <object> ToSeq(this Iterable iterable)
        {
            var iterator = iterable.iterator();

            while (iterator.hasNext())
            {
                yield return(iterator.next());
            }
        }
 public virtual bool matchesSafely(Iterable collection)
 {
   Iterator iterator = collection.iterator();
   while (iterator.hasNext())
   {
     if (this.elementMatcher.matches(iterator.next()))
       return true;
   }
   return false;
 }
Example #9
0
        internal static Optional <T> getFirst <T>(Iterable <T> iterable)
        {
            var iterator = iterable.iterator();

            if (iterator.hasNext())
            {
                return(Optional.of(iterator.next()));
            }
            else
            {
                return(Optional.empty <T>());
            }
        }
Example #10
0
        internal static T getFirst <T>(Iterable <T> iterable, T defaultValue)
        {
            var iterator = iterable.iterator();

            if (iterator.hasNext())
            {
                return(iterator.next());
            }
            else
            {
                return(defaultValue);
            }
        }
/*	[Signature("(LDigraph;Ljava/lang/Iterable<Ljava/lang/Integer;>;)V")]*/

    public DirectedDFS(Digraph d, Iterable i)
    {
        this.marked = new bool[d.V()];
        Iterator iterator = i.iterator();

        while (iterator.hasNext())
        {
            int num = ((Integer)iterator.next()).intValue();
            if (!this.marked[num])
            {
                this.dfs(d, num);
            }
        }
    }
Example #12
0
        internal static Optional <T> tryFind <T>(Iterable <T> iterable, Predicate <T> predicate)
        {
            var iterator = iterable.iterator();

            while (iterator.hasNext())
            {
                T value = iterator.next();
                if (predicate.test(value))
                {
                    return(new Some <T>(value));
                }
            }
            return(None <T> .Instance);
        }
        public virtual void setWords(Iterable words)
        {
            this.tokens.clear();
            Iterator iterator = words.iterator();

            while (iterator.hasNext())
            {
                string text = (string)iterator.next();
                if (!String.instancehelper_isEmpty(text))
                {
                    this.tokens.add(text);
                }
            }
            this.createGrammar();
            this.postProcessGrammar();
        }
Example #14
0
        internal static OptionalInt findIndex <T>(Iterable <T> iterable, Predicate <T> predicate)
        {
            var iterator = iterable.iterator();
            int index    = 0;

            while (iterator.hasNext())
            {
                T value = iterator.next();
                if (predicate.test(value))
                {
                    return(new SomeInt(index));
                }
                index++;
            }
            return(NoneInt.Instance);
        }
Example #15
0
        static void declareGenericTypeBindings(GenericParameterBindings genericsScope, Iterable <TypeInfo> keys, Iterable <TypeInfo> values)
        {
            if (keys.count() != values.count())
            {
                throw new IllegalStateException();
            }
            var it1 = keys.iterator();
            var it2 = values.iterator();

            while (it1.hasNext())
            {
                var t1 = it1.next();
                var t2 = it2.next();
                if (t1.IsGenericParameter)
                {
                    genericsScope.declareBinding(t1, t2);
                }
            }
        }
Example #16
0
        internal static Optional <T> tryGetLast <T>(Iterable <T> iterable) where T : class
        {
            var hasElement = false;
            T   last       = null;
            var iterator   = iterable.iterator();

            while (iterator.hasNext())
            {
                hasElement = true;
                last       = iterator.next();
            }
            if (hasElement)
            {
                return(Optional.of(last));
            }
            else
            {
                return(Optional.empty <T>());
            }
        }
 private boolean hasNoMatches(Iterable<PhoneNumberMatch> iterable)
 {
     return !iterable.iterator().hasNext();
 }
        MethodInfo resolveMethod(Iterable<MethodInfo> methods, Iterable<ExpressionNode> arguments,
                TypeInfo returnType, bool extensionMethods) {
            var candidates = new ArrayList<CandidateMethodInfo>();
            var hasLambda = false;
            
            foreach (var method in methods) {
                var parameterCount = method.Parameters.count();
                var argumentCount = arguments.count();
                if (method.IsVarargs) {
                    if (argumentCount < parameterCount - 1) {
                        continue;
                    }
                } else if (argumentCount != parameterCount) {
                    continue;
                }
                var fixedArgumentCount = (method.IsVarargs) ? parameterCount - 1 : parameterCount;
                var isCompatible = true;
                var parameterTypes = new TypeInfo[argumentCount];
                var expandedForm = method.IsVarargs;

                if (!method.IsClosed) {
                    var typeVariableInfos = new HashMap<TypeInfo, TypeVariableInfo>();
                    foreach (var t in method.GenericArguments) {
                        typeVariableInfos[t] = new TypeVariableInfo(t);
                    }
                    
                    // Inference phase 1
                    var nit = arguments.iterator();
                    var pit = method.Parameters.iterator();
                    bool closedParams = true;
                    for (int i = 0; i < fixedArgumentCount; i++) {
                        var paramType = pit.next().Type;
                        var argNode = nit.next();
                        if (paramType.IsClosed) {
                            if (!isArgumentCompatible(argNode, paramType)) {
                                goto continueLookup;
                            }
                        } else {
                            closedParams = false;
                            if (argNode.ExpressionKind == ExpressionKind.Lambda) {
                                hasLambda = true;
                                makeExplicitParameterTypeInference(argNode, paramType, typeVariableInfos);
                            } else {
                                var argInfo = argNode.getUserData(typeof(ExpressionInfo));
                                if (argInfo == null) {
                                    continue;
                                }
                                if (BytecodeHelper.isDelegateType(paramType) || BytecodeHelper.isExpressionTreeType(paramType)) {
                                    makeExplicitParameterTypeInference(argNode, paramType, typeVariableInfos);
                                } else {
                                    ValidationHelper.getType(context, argNode);
                                    makeOutputTypeInference(argNode, paramType, typeVariableInfos);
                                }
                            }
                        }
                    }
                    if (method.IsVarargs) {
                        var paramType = pit.next().Type.ElementType;
                        var isClosedParam = paramType.IsClosed;
                        var first = true;
                        while (nit.hasNext()) {
                            var argNode = nit.next();
                            if (isClosedParam) {
                                switch (isVarargCompatible(argNode, paramType, first)) {
                                case False:
                                    goto continueLookup;
                                case True:
                                    expandedForm = false;
                                    if (nit.hasNext()) {
                                        goto continueLookup;
                                    }
                                    break;
                                }
                            } else {
                                closedParams = false;
                                if (argNode.ExpressionKind == ExpressionKind.Lambda) {
                                    hasLambda = true;
                                    makeExplicitParameterTypeInference(argNode, paramType, typeVariableInfos);
                                } else {
                                    var argInfo = argNode.getUserData(typeof(ExpressionInfo));
                                    if (argInfo == null) {
                                        continue;
                                    }
                                    if (BytecodeHelper.isDelegateType(paramType) || BytecodeHelper.isExpressionTreeType(paramType)) {
                                        makeExplicitParameterTypeInference(argNode, paramType, typeVariableInfos);
                                    } else if (paramType != ValidationHelper.getType(context, argNode)
                                            && !ValidationHelper.isAssignable(context, paramType, argNode)
                                            && first
                                            && ValidationHelper.isAssignable(context, paramType.getArrayType(), argNode)) {
                                        expandedForm = false;
                                        makeOutputTypeInference(argNode, paramType.getArrayType(), typeVariableInfos);
                                    } else {
                                        makeOutputTypeInference(argNode, paramType, typeVariableInfos);
                                    }
                                }
                            }
                            first = false;
                        }
                    }

                    if (closedParams && returnType != null && returnType != context.TypeSystem.VoidType) {
                        makeLowerBoundInference(returnType, method.ReturnType, typeVariableInfos);
                    }
                    
                    // Inference phase 2
                    for (;;) {
                        var varFixed = false;
                        var hasUnfixed = false;
                        foreach (var e in typeVariableInfos.entrySet()) {
                            if (e.Value.fixedType != null) {
                                continue;
                            }
                            if (!containsUnfixedVariables(e.getValue().dependencies, typeVariableInfos)) {
                                if (fixTypeVariable(e.getValue())) {
                                    varFixed = true;
                                    continue;
                                }
                            }
                            hasUnfixed = true;
                        }
                        if (!varFixed) {
                            varFixed = false;
                            foreach (var e in typeVariableInfos.entrySet()) {
                                if (e.Value.fixedType != null) {
                                    continue;
                                }
                                if (hasUnfixedTypeVariablesDependingOn(e.Key, typeVariableInfos, new HashSet<TypeInfo>())) {
                                    if (!e.Value.bounds.isEmpty()) {
                                        if (fixTypeVariable(e.Value)) {
                                            varFixed = true;
                                            continue;
                                        }
                                    }
                                }
                                hasUnfixed = true;
                            }
                        }
                        if (!varFixed && hasUnfixed) {
                            goto continueLookup;
                        }
                        if (!hasUnfixed) {
                            break;
                        }
                        var mit = method.Parameters.iterator();
                        TypeInfo paramType = null;
                        foreach (var e in arguments) {
                            if (mit.hasNext()) {
                                paramType = mit.next().Type;
                            }
                            if (e.ExpressionKind != ExpressionKind.Lambda) {
                                if (!BytecodeHelper.isDelegateType(paramType) && !BytecodeHelper.isExpressionTreeType(paramType)) {
                                    continue;
                                }
                            }
                            var m = getInvokeMethod(paramType);
                            if (hasUnfixedTypeVariables(m.ReturnType, typeVariableInfos)) {
                                hasUnfixed = false;
                                foreach (var p in m.Parameters) {
                                    if (hasUnfixedTypeVariables(p.Type, typeVariableInfos)) {
                                        hasUnfixed = true;
                                        break;
                                    }
                                }
                                if (!hasUnfixed) {
                                    makeOutputTypeInference(e, paramType, typeVariableInfos);
                                }
                            }
                        }
                    }

                    var typeArguments = new ArrayList<TypeInfo>();
                    foreach (var t in method.GenericArguments) {
                        typeArguments.add(typeVariableInfos[t].fixedType);
                    }
                    method = context.TypeSystem.getGenericMethod(method, typeArguments);
                }

                var it1 = arguments.iterator();
                var it2 = method.Parameters.iterator();
                int i;
                for (i = 0; i < fixedArgumentCount; i++) {
                    var argNode = it1.next();
                    var paramType = it2.next().Type;
                    parameterTypes[i] = paramType;
                    if (!isArgumentCompatible(argNode, paramType)) {
                        isCompatible = false;
                        break;
                    } else if (argNode.ExpressionKind == ExpressionKind.Lambda) {
                        hasLambda = true;
                    }
                }
                if (isCompatible && method.IsVarargs) {
                    var paramType = it2.next().Type.ElementType;
                    var first = true;
                    while (isCompatible && it1.hasNext()) {
                        var argNode = it1.next();
                        parameterTypes[i++] = paramType;
                        switch (isVarargCompatible(argNode, paramType, first)) {
                        case False:
                            isCompatible = false;
                            break;
                        case True:
                            expandedForm = false;
                            if (it1.hasNext()) {
                                isCompatible = false;
                                break;
                            } else if (argNode.ExpressionKind == ExpressionKind.Lambda) {
                                hasLambda = true;
                            }
                            break;
                        }
                        first = false;
                    }
                }
                if (isCompatible) {
                    candidates.add(new CandidateMethodInfo(method, parameterTypes, arguments, expandedForm));
                }
            continueLookup:
                ;
            }

            if (candidates.size() == 0) {
                return null;
            }

            CandidateMethodInfo result;
            if (candidates.size() > 1) {
                result = resolveOverloading(candidates, extensionMethods);
                if (result == null) {
                    return null;
                }
            } else {
                result = candidates[0];
            }
            if (hasLambda) {
                int parameterCount = result.method.Parameters.count();
                int argumentCount = arguments.count();
                int fixedArgumentCount = (result.method.IsVarargs) ? parameterCount - 1 : parameterCount;

                var parameterTypes = new TypeInfo[argumentCount];
                var pit = result.method.getParameters().iterator();
                int i;
                for (i = 0; i < fixedArgumentCount; i++) {
                    parameterTypes[i] = pit.next().Type;
                }
                if (result.method.IsVarargs) {
                    if (result.expandedForm) {
                        var paramType = pit.next().Type.ElementType;
                        while (i < argumentCount) {
                            parameterTypes[i++] = paramType;
                        }
                    } else {
                        parameterTypes[i] = pit.next().Type;
                    }
                }
                i = 0;
                foreach (var argNode in arguments) {
					expressionValidator.handleExpression(argNode, parameterTypes[i], true);
                    i++;
                }
            }
            return result.method;
        }
 public virtual Description appendValueList(string start, string separator, string end, Iterable values)
 {
   return this.appendValueList(start, separator, end, values.iterator());
 }
        protected void drawMany(DrawContext dc, Iterable <Annotation> annotations, Layer layer)
        {
            if (dc == null)
            {
                String msg = Logging.getMessage("nullValue.DrawContextIsNull");
                Logging.logger().severe(msg);
                throw new ArgumentException(msg);
            }

            if (dc.getVisibleSector() == null)
            {
                return;
            }

            SectorGeometryList geos = dc.getSurfaceGeometry();

            //noinspection RedundantIfStatement
            if (geos == null)
            {
                return;
            }

            if (annotations == null)
            {
                String msg = Logging.getMessage("nullValue.AnnotationIterator");
                Logging.logger().severe(msg);
                throw new ArgumentException(msg);
            }

            if (dc.isContinuous2DGlobe() && this.currentFrameTime != dc.getFrameTimeStamp())
            {
                // Keep track of which annotations are added to the ordered renderable list so that they are not added
                // to that list more than once per frame.
                this.currentPickAnnotations.clear();
                this.currentDrawAnnotations.clear();
                this.currentFrameTime = dc.getFrameTimeStamp();
            }

            Iterator <Annotation> iterator = annotations.iterator();

            if (!iterator.hasNext())
            {
                return;
            }

            double altitude = dc.getView().getEyePosition().getElevation();

            while (iterator.hasNext())
            {
                Annotation annotation = iterator.next();
                if (!isAnnotationValid(annotation, true))
                {
                    continue;
                }

                if (!annotation.getAttributes().isVisible())
                {
                    continue;
                }

                // Do not draw the pick pass if not at pick point range;
                if (dc.isPickingMode() && !this.isAtPickRange(dc, annotation))
                {
                    continue;
                }

                if (altitude < annotation.getMinActiveAltitude() || altitude > annotation.getMaxActiveAltitude())
                {
                    continue;
                }

                if (dc.isContinuous2DGlobe() && annotation is ScreenAnnotation)
                {
                    if (dc.isPickingMode() && this.currentPickAnnotations.contains(annotation))
                    {
                        continue;
                    }

                    if (currentDrawAnnotations.contains(annotation))
                    {
                        continue;
                    }
                }

                // TODO: cull annotations that are beyond the horizon
                double eyeDistance = 1;
                if (annotation is Locatable)
                {
                    // Determine Cartesian position from the surface geometry if the annotation is near the surface,
                    // otherwise draw it from the globe.
                    Vec4 annotationPoint = getAnnotationDrawPoint(dc, annotation);
                    if (annotationPoint == null)
                    {
                        continue;
                    }
                    eyeDistance = annotation.isAlwaysOnTop() ? 0 : dc.getView().getEyePoint().distanceTo3(annotationPoint);
                }

                if (annotation is ScreenAnnotation)
                {
                    Rectangle screenBounds = annotation.getBounds(dc);
                    if (screenBounds != null && !dc.getView().getViewport().intersects(screenBounds))
                    {
                        return;
                    }
                }

                // The annotations aren't drawn here, but added to the ordered queue to be drawn back-to-front.
                dc.addOrderedRenderable(new OrderedAnnotation(annotation, layer, eyeDistance));

                if (dc.isContinuous2DGlobe() && annotation is ScreenAnnotation)
                {
                    if (dc.isPickingMode())
                    {
                        this.currentPickAnnotations.add(annotation);
                    }
                    else
                    {
                        this.currentDrawAnnotations.add(annotation);
                    }
                }
            }
        }