BadArrayExpression.cs

Go to the documentation of this file.

using BadScript2.Common;
using BadScript2.Optimizations.Folding;
using BadScript2.Runtime;
using BadScript2.Runtime.Objects;
 
namespace BadScript2.Parser.Expressions.Constant;
 
public class BadArrayExpression : BadExpression
{
    private readonly BadExpression[] m_InitExpressions;
 
    public BadArrayExpression(BadExpression[] initExpressions, BadSourcePosition position) : base(
        false,
        position
    )
    {
        m_InitExpressions = initExpressions;
    }
 
    public int Length => m_InitExpressions.Length;
 
    public IEnumerable<BadExpression> InitExpressions => m_InitExpressions;
 
    public override void Optimize()
    {
        for (int i = 0; i < m_InitExpressions.Length; i++)
        {
            m_InitExpressions[i] = BadConstantFoldingOptimizer.Optimize(m_InitExpressions[i]);
        }
    }
 
    protected override IEnumerable<BadObject> InnerExecute(BadExecutionContext context)
    {
        List<BadObject> array = new List<BadObject>();
 
        foreach (BadExpression expression in m_InitExpressions)
        {
            BadObject o = BadObject.Null;
 
            foreach (BadObject obj in expression.Execute(context))
            {
                o = obj;
 
                yield return o;
            }
 
            array.Add(o.Dereference());
        }
 
        yield return new BadArray(array);
    }
 
    public override IEnumerable<BadExpression> GetDescendants()
    {
        return m_InitExpressions.SelectMany(expression => expression.GetDescendantsAndSelf());
    }
}