Example #1
0
        // Perform a constructor call on this object.
        internal override Object Construct(VsaEngine engine, Object[] args)
        {
            ArrayObject obj;
            int         index, len;

            if (args.Length != 1)
            {
                // Construct an array from a list of values.
                obj = new ArrayObject
                          (EngineInstance.GetEngineInstance(engine)
                          .GetArrayPrototype(), (uint)(args.Length));
                len = args.Length;
                for (index = 0; index < len; ++index)
                {
                    obj.PutIndex(index, args[index]);
                }
            }
            else if (args[0] is Array)
            {
                // Wrap an existing array.
                Array array = (Array)(args[0]);
                if (array.Rank != 1)
                {
                    throw new JScriptException(JSError.TypeMismatch);
                }
                obj = new ArrayObject.Wrapper
                          (EngineInstance.GetEngineInstance(engine)
                          .GetArrayPrototype(), (Array)(args[0]));
            }
            else
            {
                // Construct an array from a length value.
                switch (Support.TypeCodeForObject(args[0]))
                {
                case TypeCode.Byte:
                case TypeCode.SByte:
                case TypeCode.Char:
                case TypeCode.Int16:
                case TypeCode.UInt16:
                case TypeCode.Int32:
                case TypeCode.UInt32:
                case TypeCode.Int64:
                case TypeCode.UInt64:
                case TypeCode.Single:
                case TypeCode.Double:
                case TypeCode.Decimal:
                {
                    double num  = Convert.ToNumber(args[0]);
                    uint   inum = Convert.ToUInt32(args[0]);
                    if (num == (double)inum)
                    {
                        return(new ArrayObject
                                   (EngineInstance.GetEngineInstance(engine)
                                   .GetArrayPrototype(), inum));
                    }
                    else
                    {
                        throw new JScriptException
                                  (JSError.ArrayLengthConstructIncorrect);
                    }
                }
                    // Not reached.
                }

                // The length is not numeric, so it is actually a value.
                obj = new ArrayObject
                          (EngineInstance.GetEngineInstance(engine)
                          .GetArrayPrototype());
                obj.PutIndex(0, args[0]);
            }
            return(obj);
        }
	// Perform a constructor call on this object.
	internal override Object Construct(VsaEngine engine, Object[] args)
			{
				ArrayObject obj;
				int index, len;
				if(args.Length != 1)
				{
					// Construct an array from a list of values.
					obj = new ArrayObject
						(EngineInstance.GetEngineInstance(engine)
								.GetArrayPrototype(), (uint)(args.Length));
					len = args.Length;
					for(index = 0; index < len; ++index)
					{
						obj.PutIndex(index, args[index]);
					}
				}
				else if(args[0] is Array)
				{
					// Wrap an existing array.
					Array array = (Array)(args[0]);
					if(array.Rank != 1)
					{
						throw new JScriptException(JSError.TypeMismatch);
					}
					obj = new ArrayObject.Wrapper
						(EngineInstance.GetEngineInstance(engine)
								.GetArrayPrototype(), (Array)(args[0]));
				}
				else
				{
					// Construct an array from a length value.
					switch(Support.TypeCodeForObject(args[0]))
					{
						case TypeCode.Byte:
						case TypeCode.SByte: 
						case TypeCode.Char: 
						case TypeCode.Int16: 
						case TypeCode.UInt16:
						case TypeCode.Int32:
						case TypeCode.UInt32:
						case TypeCode.Int64:
						case TypeCode.UInt64:
						case TypeCode.Single:
						case TypeCode.Double:
						case TypeCode.Decimal:
						{
							double num = Convert.ToNumber(args[0]);
							uint inum = Convert.ToUInt32(args[0]);
							if(num == (double)inum)
							{
								return new ArrayObject
									(EngineInstance.GetEngineInstance(engine)
											.GetArrayPrototype(), inum);
							}
							else
							{
								throw new JScriptException
									(JSError.ArrayLengthConstructIncorrect);
							}
						}
						// Not reached.
					}

					// The length is not numeric, so it is actually a value.
					obj = new ArrayObject
						(EngineInstance.GetEngineInstance(engine)
								.GetArrayPrototype());
					obj.PutIndex(0, args[0]);
				}
				return obj;
			}