/// <summary> /// Initializes a new instance of the <see cref="ArrayDescriptor"/> class. /// </summary> /// <param name="arrayDescriptorBuilder">The array descriptor builder.</param> public ArrayDescriptor(ArrayDescriptorBuilder arrayDescriptorBuilder) { Indexes = new ReadOnlyDictionary <string, MemoryIndex>(arrayDescriptorBuilder.Indexes); ParentVariable = arrayDescriptorBuilder.ParentVariable; UnknownIndex = arrayDescriptorBuilder.UnknownIndex; ArrayValue = arrayDescriptorBuilder.ArrayValue; }
/// <summary> /// Prepares operation for every descendant index and merge the array into one which will be /// stored in the target memory entry. /// </summary> /// <param name="operation">The operation.</param> /// <returns>Array where the input arrays is merged into.</returns> private Value mergeArrays(MergeOperation operation) { ArrayDescriptorBuilder builder = new ArrayDescriptorBuilder(); builder.SetParentVariable(operation.TargetIndex); builder.SetUnknownField(operation.TargetIndex.CreateUnknownIndex()); ContainerOperations collectVariables = new ContainerOperations(this, builder, operation.TargetIndex, builder.UnknownIndex); // Collecting possible indexes of merged array AssociativeArray targetArray = null; foreach (var operationData in operation.Indexes) { MemoryIndex index = operationData.Item1; Snapshot snapshot = operationData.Item2; AssociativeArray arrayValue; if (snapshot.Structure.TryGetArray(index, out arrayValue)) { // Target array value will be the firs one if (targetArray == null) { if (index.Equals(operation.TargetIndex)) { targetArray = arrayValue; } } ArrayDescriptor descriptor = snapshot.Structure.GetDescriptor(arrayValue); collectVariables.CollectIndexes(snapshot, index, descriptor); } else { collectVariables.SetUndefined(); } } if (targetArray == null) { targetArray = targetSnapshot.CreateArray(); } builder.SetArrayValue(targetArray); collectVariables.MergeContainers(); Structure.SetArray(operation.TargetIndex, targetArray); Structure.SetDescriptor(targetArray, builder.Build()); return(targetArray); }