using System.Collections.Generic;
using NTERA.Engine.Compiler;

namespace NTERA.Engine.Runtime
{
	public class StackFrame
	{
		public Dictionary<string, Variable> LocalVariables { get; set; }
		public Dictionary<string, Variable> GlobalVariables { get; set; }

		public FunctionDefinition SelfDefinition { get; set; }
	}

	public enum ExecutionResultType
	{
		None,
		FunctionReturn
	}

	public class ExecutionResult
	{
		public static ExecutionResult None { get; } = new ExecutionResult(ExecutionResultType.None);

		public ExecutionResultType Type { get; }

		public Value? Result { get; }


		public ExecutionResult(ExecutionResultType type, Value? value = null)
		{
			Type = type;
			Result = value;
		}
	}
}