source: trunk/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory-5.5.0/Semantics/OperatorResolveResult.cs

// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using ICSharpCode.NRefactory.TypeSystem;

namespace ICSharpCode.NRefactory.Semantics
{
  /// <summary>
  /// Represents a unary/binary/ternary operator invocation.
  /// </summary>
  public class OperatorResolveResult : ResolveResult
  {
    readonly ExpressionType operatorType;
    readonly IMethod userDefinedOperatorMethod;
    readonly IList<ResolveResult> operands;
    readonly bool isLiftedOperator;
    
    public OperatorResolveResult(IType resultType, ExpressionType operatorType, params ResolveResult[] operands)
      : base(resultType)
    {
      if (operands == null)
        throw new ArgumentNullException("operands");
      this.operatorType = operatorType;
      this.operands = operands;
    }
    
    public OperatorResolveResult(IType resultType, ExpressionType operatorType, IMethod userDefinedOperatorMethod, bool isLiftedOperator, IList<ResolveResult> operands)
      : base(resultType)
    {
      if (operands == null)
        throw new ArgumentNullException("operands");
      this.operatorType = operatorType;
      this.userDefinedOperatorMethod = userDefinedOperatorMethod;
      this.isLiftedOperator = isLiftedOperator;
      this.operands = operands;
    }
    
    /// <summary>
    /// Gets the operator type.
    /// </summary>
    public ExpressionType OperatorType {
      get { return operatorType; }
    }
    
    /// <summary>
    /// Gets the operands.
    /// </summary>
    public IList<ResolveResult> Operands {
      get { return operands; }
    }
    
    /// <summary>
    /// Gets the user defined operator method.
    /// Returns null if this is a predefined operator.
    /// </summary>
    public IMethod UserDefinedOperatorMethod {
      get { return userDefinedOperatorMethod; }
    }
    
    /// <summary>
    /// Gets whether this is a lifted operator.
    /// </summary>
    public bool IsLiftedOperator {
      get { return isLiftedOperator; }
    }
    
    public override IEnumerable<ResolveResult> GetChildResults()
    {
      return operands;
    }
  }
}