BadBinaryExpression.cs

Go to the documentation of this file.

using BadScript2.Common;
using BadScript2.Optimizations.Folding;
 
namespace BadScript2.Parser.Expressions.Binary;
 
public abstract class BadBinaryExpression : BadExpression
{
    protected BadBinaryExpression(BadExpression left, BadExpression right, BadSourcePosition position) : base(
        left.IsConstant && right.IsConstant,
        position
    )
    {
        Left = left;
        Right = right;
    }
 
    public BadExpression Left { get; private set; }
 
    public BadExpression Right { get; private set; }
 
    public override void Optimize()
    {
        Left = BadConstantFoldingOptimizer.Optimize(Left);
        Right = BadConstantFoldingOptimizer.Optimize(Right);
    }
 
    public void SetLeft(BadExpression expr)
    {
        Left = expr;
    }
 
    public void SetRight(BadExpression expr)
    {
        Right = expr;
    }
 
    protected abstract string GetSymbol();
 
    public override IEnumerable<BadExpression> GetDescendants()
    {
        foreach (BadExpression expression in Left.GetDescendantsAndSelf())
        {
            yield return expression;
        }
 
        foreach (BadExpression? expression in Right.GetDescendantsAndSelf())
        {
            yield return expression;
        }
    }
 
    public override string ToString()
    {
        return $"({Left} {GetSymbol()} {Right})";
    }
}