Upsilon/Upsilon/Binder/BoundStatements/BoundBlockStatement.cs

using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
using Upsilon.Text;

namespace Upsilon.Binder
{
    public class BoundBlockStatement : BoundStatement
    {
        public BoundBlockStatement(ImmutableArray<BoundStatement> statements, TextSpan span) : base(span)
        {
            Statements = statements;
        }

        public override BoundKind Kind => BoundKind.BoundBlockStatement;
        public override IEnumerable<BoundNode> GetNodeAtPosition(int linePosition, int characterPosition)
        {
            foreach (var statement in Statements)
            {
                if (statement.Span.Contains(linePosition, characterPosition))
                {
                    foreach (var node in statement.GetNodeAtPosition(linePosition, characterPosition))
                    {
                        yield return node;
                    }
                }
            }
            yield return this;
        }

        public override IEnumerable<BoundNode> GetChildren()
        {
            return Statements;
        }

        public ImmutableArray<BoundStatement> Statements { get; }
    }
}