public static ExpressionEvaluator <bool> CreateBool(string expression)
{
ExpressionEvaluatorBuilder <bool> builder = new ExpressionEvaluatorBuilder <bool>();
builder.SetExpression(expression);
builder.AddSkip('\n');
builder.AddSkip('\r');
builder.AddSkip('\t');
builder.AddSkip(' ');
builder.AddLexem(@"\(", n => new Bracket(n, true, ")"));
builder.AddLexem(@"\)", n => new Bracket(n, false, "("));
builder.AddLexem(@"\[", n => new Bracket(n, true, "]"));
builder.AddLexem(@"\]", n => new Bracket(n, false, "["));
builder.AddLexem(@"\{", n => new Bracket(n, true, "}"));
builder.AddLexem(@"\}", n => new Bracket(n, false, "{"));
builder.AddLexem(@"true", n => new Constant <bool>(n, bool.Parse(n)));
builder.AddLexem(@"false", n => new Constant <bool>(n, bool.Parse(n)));
builder.AddLexem(@"[A-Za-zА-Яа-я]+[A-Za-zА-Яа-я\d]*", n => new Variable <bool>(n));
builder.AddLexem(@"\&", n => new OperationAnd(n));
builder.AddLexem(@"\|", n => new OperationOr(n));
builder.AddLexem(@"\!", n => new OperationNot(n));
return(builder.Build());
}
public static ExpressionEvaluator <bool> CreateLogical(string expression)
{
ExpressionEvaluatorBuilder <bool> builder = new ExpressionEvaluatorBuilder <bool>();
builder.SetExpression(expression);
builder.AddSkip('\n');
builder.AddSkip('\r');
builder.AddSkip('\t');
builder.AddSkip(' ');
builder.AddLexem(@"\(", n => new Bracket(n, true, ")"));
builder.AddLexem(@"\)", n => new Bracket(n, false, "("));
builder.AddLexem(@"\[", n => new Bracket(n, true, "]"));
builder.AddLexem(@"\]", n => new Bracket(n, false, "["));
builder.AddLexem(@"\{", n => new Bracket(n, true, "}"));
builder.AddLexem(@"\}", n => new Bracket(n, false, "{"));
builder.AddLexem(@"true", n => new Constant <bool>(n, bool.Parse(n)));
builder.AddLexem(@"false", n => new Constant <bool>(n, bool.Parse(n)));
builder.AddLexem(@"\d+\.*\d*", n => new Constant <double>(n, double.Parse(n, CultureInfo.InvariantCulture)));
builder.AddLexem(@"\+", n => new OperationPlus(n));
builder.AddLexem(@"\-", n => new OperationMinus(n));
builder.AddLexem(@"\*", n => new OperationMultiply(n));
builder.AddLexem(@"\/", n => new OperationDivide(n));
builder.AddLexem(@"\^", n => new OperationPow(n));
builder.AddLexem(@"\&", n => new OperationAnd(n));
builder.AddLexem(@"\|", n => new OperationOr(n));
builder.AddLexem(@"\!", n => new OperationNot(n));
builder.AddLexem(@">", n => new OperationGreater(n));
return(builder.Build());
}
public static ExpressionEvaluator <double> CreateNumeric(string expression)
{
ExpressionEvaluatorBuilder <double> builder = new ExpressionEvaluatorBuilder <double>();
builder.SetExpression(expression);
builder.AddSkip('\n');
builder.AddSkip('\r');
builder.AddSkip('\t');
builder.AddSkip(' ');
builder.AddLexem(@"\(", n => new Bracket(n, true, ")"));
builder.AddLexem(@"\)", n => new Bracket(n, false, "("));
builder.AddLexem(@"\[", n => new Bracket(n, true, "]"));
builder.AddLexem(@"\]", n => new Bracket(n, false, "["));
builder.AddLexem(@"\{", n => new Bracket(n, true, "}"));
builder.AddLexem(@"\}", n => new Bracket(n, false, "{"));
builder.AddLexem(@"[A-Za-zА-Яа-я]+[A-Za-zА-Яа-я\d]*", n => new Variable <double>(n));
builder.AddLexem(@"\d+\.*\d*", n => new Constant <double>(n, double.Parse(n, CultureInfo.InvariantCulture)));
builder.AddLexem(@"\+", n => new OperationPlus(n));
builder.AddLexem(@"\-", n => new OperationMinus(n));
builder.AddLexem(@"\*", n => new OperationMultiply(n));
builder.AddLexem(@"\/", n => new OperationDivide(n));
builder.AddLexem(@"\^", n => new OperationPow(n));
return(builder.Build());
}
public static ExpressionEvaluator CreateDefault(string expression)
{
ExpressionEvaluatorBuilder builder = new ExpressionEvaluatorBuilder();
builder.SetExpression(expression);
builder.AddSkip('\n');
builder.AddSkip('\r');
builder.AddSkip('\t');
builder.AddSkip(' ');
builder.AddLexem(@"\(", n => new Bracket(n, true, ")"));
builder.AddLexem(@"\)", n => new Bracket(n, false, "("));
builder.AddLexem(@"\[", n => new Bracket(n, true, "]"));
builder.AddLexem(@"\]", n => new Bracket(n, false, "["));
builder.AddLexem(@"\{", n => new Bracket(n, true, "}"));
builder.AddLexem(@"\}", n => new Bracket(n, false, "{"));
builder.AddLexem(@"true", n => new Constant(n, bool.Parse(n)));
builder.AddLexem(@"false", n => new Constant(n, bool.Parse(n)));
builder.AddLexem(@"\d+\.*\d*", n => new Constant(n, double.Parse(n, CultureInfo.InvariantCulture)));
builder.AddLexem(@"[A-Za-zА-Яа-я]+[A-Za-zА-Яа-я\d]*", n => new Variable(n));
builder.AddLexem("\"[^\"]*\"", n => new Constant(n, n.Substring(1, n.Length - 2)));
builder.AddOperation(@"\^", (args) => Math.Pow(args[0], args[1]), 30, 2);
builder.AddOperation(@"\*", (args) => args[0] * args[1], 20, 2);
builder.AddOperation(@"\/", (args) => args[0] / args[1], 20, 2);
builder.AddOperation(@"\+", (args) => args[0] + args[1], 10, 2);
builder.AddOperation(@"\-", (args) => args[0] - args[1], 10, 2);
builder.AddOperation(@">", (args) => args[0] > args[1], 9, 2);
builder.AddOperation(@">=", (args) => args[0] >= args[1], 9, 2);
builder.AddOperation(@"<", (args) => args[0] < args[1], 9, 2);
builder.AddOperation(@"<=", (args) => args[0] <= args[1], 9, 2);
builder.AddOperation(@"=", (args) => args[0] == args[1], 8, 2);
builder.AddOperation(@"\!", (args) => !args[0], 7, 1);
builder.AddOperation(@"\&", (args) => args[0] && args[1], 6, 2);
builder.AddOperation(@"\|", (args) => args[0] || args[1], 5, 2);
return(builder.Build());
}