Cis/EC.Helper/RabbitFunc/Expressions/Expression.cs

using EC.Helper.RabbitFunc.Runtime;

namespace EC.Helper.RabbitFunc.Expressions;

public abstract class Expression
{
    protected Expression()
    { }

    protected Expression(ExpressionType nodeType)
    {
        NodeType = nodeType;
    }

    public virtual ExpressionType NodeType { get; }

    public virtual Type Type { get; }

    public static ParameterExpression Parameter(Type type, string name)
    {
        if (name == null)
            throw new ArgumentNullException(nameof(name));

        return new ParameterExpression(ExpressionType.Parameter, type, name);
    }

    public static ParameterExpression Variable(Type type, string name)
    {
        if (name == null)
            throw new ArgumentNullException(nameof(name));

        return new ParameterExpression(ExpressionType.Variable, type, name);
    }

    public static MemberExpression Member(Expression instance, string name)
    {
        if (instance == null)
            throw new ArgumentNullException(nameof(instance));
        if (name == null)
            throw new ArgumentNullException(nameof(name));

        return new MemberExpression(instance, name);
    }

    public static MemberExpression Field(Expression instance, string name)
    {
        if (instance == null)
            throw new ArgumentNullException(nameof(instance));
        if (name == null)
            throw new ArgumentNullException(nameof(name));

        return new MemberExpression(instance, name);
    }

    public static MemberExpression Property(Expression instance, string name)
    {
        if (instance == null)
            throw new ArgumentNullException(nameof(instance));
        if (name == null)
            throw new ArgumentNullException(nameof(name));

        return new MemberExpression(instance, name);
    }

    public static BinaryExpression Assign(Expression left, Expression right)
    {
        if (left == null)
            throw new ArgumentNullException(nameof(left));
        if (right == null)
            throw new ArgumentNullException(nameof(right));

        return new BinaryExpression(ExpressionType.Assign, left, right);
    }

    public static ConstantExpression Constant(object value)
    {
        return new ConstantExpression(value);
    }

    public static UnaryExpression Convert(Expression expression, Type type)
    {
        if (expression == null)
            throw new ArgumentNullException(nameof(expression));
        if (type == null)
            throw new ArgumentNullException(nameof(type));

        return new UnaryExpression(ExpressionType.Constant, expression);
    }

    public static BinaryExpression Add(Expression left, Expression right)
    {
        if (left == null)
            throw new ArgumentNullException(nameof(left));
        if (right == null)
            throw new ArgumentNullException(nameof(right));

        return new BinaryExpression(ExpressionType.Add, left, right);
    }

    public static BinaryExpression Subtract(Expression left, Expression right)
    {
        if (left == null)
            throw new ArgumentNullException(nameof(left));
        if (right == null)
            throw new ArgumentNullException(nameof(right));

        return new BinaryExpression(ExpressionType.Subtract, left, right);
    }

    public static BinaryExpression Multiply(Expression left, Expression right)
    {
        if (left == null)
            throw new ArgumentNullException(nameof(left));
        if (right == null)
            throw new ArgumentNullException(nameof(right));

        return new BinaryExpression(ExpressionType.Multiply, left, right);
    }

    public static BinaryExpression Divide(Expression left, Expression right)
    {
        if (left == null)
            throw new ArgumentNullException(nameof(left));
        if (right == null)
            throw new ArgumentNullException(nameof(right));

        return new BinaryExpression(ExpressionType.Divide, left, right);
    }

    public static BinaryExpression Modulo(Expression left, Expression right)
    {
        if (left == null)
            throw new ArgumentNullException(nameof(left));
        if (right == null)
            throw new ArgumentNullException(nameof(right));

        return new BinaryExpression(ExpressionType.Modulo, left, right);
    }

    public static BinaryExpression Power(Expression left, Expression right)
    {
        if (left == null)
            throw new ArgumentNullException(nameof(left));
        if (right == null)
            throw new ArgumentNullException(nameof(right));

        return new BinaryExpression(ExpressionType.Power, left, right);
    }

    public static UnaryExpression Negate(Expression expression)
    {
        if (expression == null)
            throw new ArgumentNullException(nameof(expression));

        return new UnaryExpression(ExpressionType.Negate, expression);
    }

    public static BinaryExpression ArrayIndex(Expression array, Expression index)
    {
        if (array == null)
            throw new ArgumentNullException(nameof(array));
        if (index == null)
            throw new ArgumentNullException(nameof(index));

        return new BinaryExpression(ExpressionType.ArrayIndex, array, index);
    }

    public static UnaryExpression ArrayLength(Expression array)
    {
        if (array == null)
            throw new ArgumentNullException(nameof(array));

        return new UnaryExpression(ExpressionType.ArrayLength, array);
    }

    public static MethodCallExpression Call(Expression instance, string methodName, params Expression[] arguments)
    {
        if (methodName == null)
            throw new ArgumentNullException(nameof(methodName));

        return new MethodCallExpression(instance, methodName, arguments);
    }

    public static MethodCallExpression Call(Expression instance, string methodName, IList<Expression> arguments)
    {
        if (methodName == null)
            throw new ArgumentNullException(nameof(methodName));
        if (arguments == null)
            throw new ArgumentNullException(nameof(arguments));

        return new MethodCallExpression(instance, methodName, arguments);
    }

    public static LambdaExpression Lambda(string name, Expression body, params ParameterExpression[] parameters)
    {
        if (name == null)
            throw new ArgumentNullException(nameof(name));
        if (body == null)
            throw new ArgumentNullException(nameof(body));

        return new LambdaExpression(name, body, parameters);
    }

    public static LambdaExpression Lambda(string name, Expression body, IList<ParameterExpression> parameters)
    {
        if (name == null)
            throw new ArgumentNullException(nameof(name));
        if (body == null)
            throw new ArgumentNullException(nameof(body));

        return new LambdaExpression(name, body, parameters.ToArray());
    }

    public static UnaryExpression Not(Expression expression)
    {
        if (expression == null)
            throw new ArgumentNullException(nameof(expression));

        return new UnaryExpression(ExpressionType.Not, expression);
    }

    public static ConditionalExpression Condition(Expression condition, Expression trueExpression, Expression falseExpression)
    {
        if (condition == null)
            throw new ArgumentNullException(nameof(condition));
        if (trueExpression == null)
            throw new ArgumentNullException(nameof(trueExpression));
        if (falseExpression == null)
            throw new ArgumentNullException(nameof(falseExpression));

        return new ConditionalExpression(condition, trueExpression, falseExpression);
    }

    public virtual object Eval(RuntimeContext context)
    {
        throw new NotSupportedException();
    }
}