using System;

namespace HeuristicLab.Problems.ProgramSynthesis.Push.Attributes {
  using HeuristicLab.Problems.ProgramSynthesis.Push.Stack;

  [AttributeUsage(AttributeTargets.Class)]
  public class PushExpressionAttribute : Attribute {
    public readonly StackTypes StackType;
    public readonly StackTypes AdditionalStackDependencies;
    public readonly string ExpressionName;
    public readonly bool ManipulatesExec;

    public PushExpressionAttribute(StackTypes stackType, string expressionName, StackTypes additionalStackDependencies = default(StackTypes)) {
      StackType = stackType;
      AdditionalStackDependencies = additionalStackDependencies;
      ExpressionName = expressionName;
      ManipulatesExec = stackType == StackTypes.Exec || AdditionalStackDependencies.HasFlag(StackTypes.Exec);
    }
  }
}