Ejemplo n.º 1
0
		public static void ReplaceBIIMPLIESOperator(OperatorExpression paramOperatorExpression)
		{
			LogicExpression[] arrayOfLogicExpression1 = paramOperatorExpression.Branches;

			LogicExpression[] arrayOfLogicExpression2 = {
			                                            	arrayOfLogicExpression1[0].Clone(),
			                                            	arrayOfLogicExpression1[1].Clone()
			                                            };

			LogicExpression[] arrayOfLogicExpression3 = {
			                                            	arrayOfLogicExpression1[0].Clone(),
			                                            	arrayOfLogicExpression1[1].Clone()
			                                            };

			arrayOfLogicExpression3[0].Negated = !arrayOfLogicExpression3[0].Negated;
			arrayOfLogicExpression3[1].Negated = !arrayOfLogicExpression3[1].Negated;

			var localLogicBranch1 = new OperatorExpression(Operator.And) { Branches = arrayOfLogicExpression2 };

			var localLogicBranch2 = new OperatorExpression(Operator.And) { Branches = arrayOfLogicExpression3 };

			LogicExpression[] arrayOfLogicExpression4 = {localLogicBranch1, localLogicBranch2};

			paramOperatorExpression.Branches = arrayOfLogicExpression4;
			paramOperatorExpression.Operator = Operator.Or;
		}
Ejemplo n.º 2
0
		public static void ReplaceIMPLIESOperator(OperatorExpression paramOperatorExpression)
		{
			LogicExpression[] arrayOfLogicExpression = paramOperatorExpression.Branches;

			arrayOfLogicExpression[0].Negated = !arrayOfLogicExpression[0].Negated;

			paramOperatorExpression.Operator = (Operator) 1;
		}
Ejemplo n.º 3
0
        public override LogicExpression Clone()
        {
            var localLogicBranch = new OperatorExpression(Operator, Negated);

            var arrayOfLogicExpression = new LogicExpression[_logicBranches.Length];

            for (int i = 0; i < _logicBranches.Length; i++)
            {
                arrayOfLogicExpression[i] = _logicBranches[i].Clone();
            }
            localLogicBranch.Branches = arrayOfLogicExpression;
            return localLogicBranch;
        }
Ejemplo n.º 4
0
		public static BoolResolution GetBoolResolution(OperatorExpression paramOperatorExpression)
		{
			LogicExpression[] arrayOfLogicExpression = paramOperatorExpression.Branches;

			bool i = false;
			bool j = false;

			foreach (bool b in arrayOfLogicExpression.OfType<LogicValue>().Select(t => t.EqualsTrue()))
			{
				if (b)
					i = true;
				else
					j = true;
			
				if (i && j)
				{
					break;
				}
			}
			if (i || j)
			{
				var k = paramOperatorExpression.Operator;

				switch (k)
				{
					case Operator.And:
						return j ? BoolResolution.BoolResolveFalse : BoolResolution.BoolRemoveBoolValues;
					case Operator.Or:
						return i ? BoolResolution.BoolResolveTrue : BoolResolution.BoolRemoveBoolValues;
				}

				Console.Error.WriteLine("Software Error: Operator other than AND, OR found when looking at bool values");

				return BoolResolution.BoolNotFound;
			}
			return BoolResolution.BoolNotFound;
		}
Ejemplo n.º 5
0
		public static int Absorbtion(OperatorExpression paramOperatorExpression)
		{
			LogicExpression[] arrayOfLogicExpression1 = paramOperatorExpression.Branches;

			int j = 0;
			int m;
			for (int k = 0; k < arrayOfLogicExpression1.Length - 1; k++)
			{
				for (m = k + 1; (m < arrayOfLogicExpression1.Length) && (arrayOfLogicExpression1[k] != null); m++)
				{
					if (arrayOfLogicExpression1[m] == null)
						continue;
					var q = IsAbsorbtion(arrayOfLogicExpression1[k], arrayOfLogicExpression1[m]);
					switch (q)
					{
						case Absorption.AbsorbedRight:
							arrayOfLogicExpression1[m] = null;
							j++;
							break;
						case Absorption.AbsorbedLeft:
							arrayOfLogicExpression1[k] = null;
							j++;
							break;
					}
				}
			}

			if (j > 0)
			{
				var arrayOfLogicExpression2 = new LogicExpression[arrayOfLogicExpression1.Length - j];

				m = 0;

				foreach (LogicExpression t in arrayOfLogicExpression1.Where(t => t != null))
				{
					arrayOfLogicExpression2[m++] = t;
				}
				paramOperatorExpression.Branches = arrayOfLogicExpression2;
			}

			return j;
		}
Ejemplo n.º 6
0
		public static bool Distributivity(OperatorExpression paramOperatorExpression)
		{
			Operator @operator = paramOperatorExpression.Operator;

			LogicExpression[] branches = paramOperatorExpression.Branches;
			var arrayOfLogicExpression = new LogicExpression[branches.Length][];

			int j = 0;
			int k = 1;

			foreach (LogicExpression expression in branches)
			{
				if (((expression is ParameterLogicExpression)) || ((expression is LogicValue)))
				{
					arrayOfLogicExpression[(j++)] = new[] {expression};
				}
				else
				{
					arrayOfLogicExpression[j] = ((OperatorExpression) expression).Branches;
					k *= arrayOfLogicExpression[j].Length;
					j++;
				}
			}

			if (k*branches.Length == j)
			{
				return false;
			}
			var arrayOfInt = new int[arrayOfLogicExpression.Length];
			arrayOfInt[arrayOfInt.Length - 1] = -1;
			var expressions = new LogicExpression[k];

			for (int n = 0; n < expressions.Length; n++)
			{
				arrayOfInt[(arrayOfInt.Length - 1)] += 1;

				for (int i1 = arrayOfInt.Length - 1; i1 > 0; i1--)
				{
					if (arrayOfInt[i1] != arrayOfLogicExpression[i1].Length)
						break;
					arrayOfInt[i1] = 0;
					arrayOfInt[(i1 - 1)] += 1;
				}

				var arrayOfLogicExpression3 = new LogicExpression[arrayOfLogicExpression.Length];

				for (int i2 = 0; i2 < arrayOfLogicExpression3.Length; i2++)
				{
					arrayOfLogicExpression3[i2] = arrayOfLogicExpression[i2][arrayOfInt[i2]];
				}
				if (arrayOfLogicExpression3.Length == 1)
				{
					expressions[n] = arrayOfLogicExpression3[0];
				}
				else
				{
					expressions[n] = new OperatorExpression(@operator)
					                             	{
					                             		Branches = arrayOfLogicExpression3
					                             	};
				}
			}

			var nn = (Operator) (@operator == 0 ? 1 : 0);

			paramOperatorExpression.Branches = expressions;
			paramOperatorExpression.Operator = nn;

			return true;
		}
Ejemplo n.º 7
0
		public static bool Associativity(OperatorExpression paramOperatorExpression)
		{
			LogicExpression[] arrayOfLogicExpression1 = paramOperatorExpression.Branches;

			int i = arrayOfLogicExpression1.OfType<OperatorExpression>()
				.Where(
					branch =>
					(branch.Operator == paramOperatorExpression.Operator) && (!branch.Negated))
				.Sum(branch => branch.Branches.Length - 1);

			if (i == 0)
			{
				return false;
			}

			var arrayOfLogicExpression2 = new LogicExpression[arrayOfLogicExpression1.Length + i];

			int k = 0;

			foreach (LogicExpression t in arrayOfLogicExpression1)
			{
				var operatorExpression = t as OperatorExpression;
				if (operatorExpression != null)
				{
					var localLogicBranch2 = operatorExpression;

					if ((localLogicBranch2.Operator == paramOperatorExpression.Operator) && (!localLogicBranch2.Negated))
					{
						LogicExpression[] arrayOfLogicExpression3 = localLogicBranch2.Branches;

						foreach (LogicExpression t1 in arrayOfLogicExpression3)
							arrayOfLogicExpression2[k++] = t1;
					}
					else
					{
						arrayOfLogicExpression2[k++] = t;
					}
				}
				else
				{
					arrayOfLogicExpression2[(k++)] = t;
				}
			}
			paramOperatorExpression.Branches = arrayOfLogicExpression2;

			return true;
		}
Ejemplo n.º 8
0
		public static bool DeMorgans(OperatorExpression paramOperatorExpression)
		{
			Operator i = paramOperatorExpression.Operator;

			if (!paramOperatorExpression.Negated)
			{
				return false;
			}
			LogicExpression[] arrayOfLogicExpression = paramOperatorExpression.Branches;

			foreach (LogicExpression t in arrayOfLogicExpression)
			{
				t.Negated = !t.Negated;
			}

			paramOperatorExpression.Operator = i == Operator.And ? Operator.Or : Operator.And;
			paramOperatorExpression.Negated = false;

			return true;
		}
Ejemplo n.º 9
0
		public static void ReplaceXOROperator(OperatorExpression paramOperatorExpression)
		{
			LogicExpression[] branches = paramOperatorExpression.Branches;

			LogicExpression[] expressions = {
			                                            	branches[0].Clone(),
			                                            	branches[1].Clone()
			                                            };

			expressions[0].Negated = !expressions[0].Negated;

			LogicExpression[] arrayOfLogicExpression3 = {
			                                            	branches[0].Clone(),
			                                            	branches[1].Clone()
			                                            };

			arrayOfLogicExpression3[1].Negated = !arrayOfLogicExpression3[1].Negated;

			LogicExpression[] arrayOfLogicExpression4 = {
			                                            	new OperatorExpression(Operator.And)
			                                            		{
			                                            			Branches = expressions
			                                            		},
			                                            	new OperatorExpression(Operator.And)
			                                            		{
			                                            			Branches = arrayOfLogicExpression3
			                                            		}
			                                            };

			paramOperatorExpression.Branches = arrayOfLogicExpression4;
			paramOperatorExpression.Operator = Operator.Or;
		}
Ejemplo n.º 10
0
        // EmptyLogicException, DifferentSyntaxesUsedException, UnexpectedSymbolException, InvalidVariableNameException, UnclosedBracketException
        private static LogicExpression SplitWordsByOperator(String[] paramArrayOfString, int paramInt1, Operator paramInt2,
            ParserSyntax paramParserSyntax)
        {
            if (paramInt1 == 0)
                throw new UnexpectedSymbolException("Operator at beginning of list of arguments");
            if (paramInt1 == paramArrayOfString.Length - 1)
            {
                throw new UnexpectedSymbolException("Operator at end of list of arguments");
            }
            int m;
            if ((paramInt2 == Operator.OperatorXor) || (paramInt2 == Operator.OperatorImplies) || (paramInt2 == Operator.OperatorBiimplies))
            {
                var arrayOfLogicExpression1 = new LogicExpression[2];

                var arrayOfString1 = new String[paramInt1];
                var arrayOfString2 = new String[paramArrayOfString.Length - paramInt1 - 1];

                for (var mm = 0; mm < arrayOfString1.Length; mm++)
                {
                    arrayOfString1[mm] = paramArrayOfString[mm];
                }

                m = paramInt1 + 1;

                for (int n = 0; n < arrayOfString2.Length; n++)
                {
                    arrayOfString2[n] = paramArrayOfString[(m++)];
                }
                arrayOfLogicExpression1[0] = ParseWords(arrayOfString1, paramParserSyntax);
                arrayOfLogicExpression1[1] = ParseWords(arrayOfString2, paramParserSyntax);

                var localLogicBranch1 = new OperatorExpression(paramInt2)
                                            {
                                                Branches = arrayOfLogicExpression1
                                            };
                return localLogicBranch1;
            }

            int i = 2;
            for (int k = paramInt1 - 1; k >= 0; k--)
            {
                var j = GetOperatorValue(paramArrayOfString[k]);

                if (j == Operator.NonOperator)
                    continue;
                if (j != paramInt2)
                {
                    break;
                }
                paramParserSyntax.UpdateLogicSyntax(GetLogicSyntax(paramArrayOfString[k]));

                i++;
            }

            var arrayOfLogicExpression2 = new LogicExpression[i];

            m = paramArrayOfString.Length - 1;

            for (int i2 = arrayOfLogicExpression2.Length - 1; i2 >= 0; i2--)
            {
                int i1 = 0;

                int i3;
                for (i3 = m; i3 >= 0; i3--)
                {
                    var j = GetOperatorValue(paramArrayOfString[i3]);

                    if (j != paramInt2)
                        i1++;
                    else if (j == paramInt2)
                    {
                        break;
                    }
                }
                var arrayOfString3 = new String[i1];

                i3 = m - i1;
                int i4 = i1 - 1;

                for (int i5 = m; i5 > i3; i5--)
                {
                    arrayOfString3[(i4--)] = paramArrayOfString[i5];
                }

                m = m - i1 - 1;

                arrayOfLogicExpression2[i2] = ParseWords(arrayOfString3, paramParserSyntax);
            }

            var localLogicBranch2 = new OperatorExpression(paramInt2)
                                        {
                                            Branches = arrayOfLogicExpression2
                                        };
            return localLogicBranch2;
        }
Ejemplo n.º 11
0
 public void SetParent(OperatorExpression paramOperatorExpression, int paramInt)
 {
     _parent = paramOperatorExpression;
     _positionInParent = paramInt;
 }