//
// Author:
//   Michael Göricke
//
// Copyright (c) 2019
//
// This file is part of ShapeConverter.
//
// ShapeConverter is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see<http://www.gnu.org/licenses/>.

using EpsSharp.Eps.Core;

namespace EpsSharp.Eps.Commands.Control
{
    /// <summary>
    /// Loop
    /// </summary>
    internal class LoopCmd : CommandOperand
    {
        public override void Execute(EpsInterpreter interpreter)
        {
            var proc = interpreter.OperandStack.Pop();
            interpreter.ResetExitCurrentLoop();

            while (true)
            {
                interpreter.Execute(proc);

                if (interpreter.BreakCurrentLoop)
                {
                    break;
                }
            }

            interpreter.ResetExitCurrentLoop();
        }
    }
}
