source: stable/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory-5.5.0/Semantics/ConversionResolveResult.cs @ 15761

// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
// 
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// 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 ICSharpCode.NRefactory.TypeSystem;

namespace ICSharpCode.NRefactory.Semantics
{
  /// <summary>
  /// Represents an implicit or explicit type conversion.
  /// <c>conversionResolveResult.Input.Type</c> is the source type;
  /// <c>conversionResolveResult.Type</c> is the target type.
  /// The <see cref="Conversion"/> property provides details about the kind of conversion.
  /// </summary>
  public class ConversionResolveResult : ResolveResult
  {
    public readonly ResolveResult Input;
    public readonly Conversion Conversion;
    
    /// <summary>
    /// For numeric conversions, specifies whether overflow checking is enabled.
    /// </summary>
    public readonly bool CheckForOverflow;
    
    public ConversionResolveResult(IType targetType, ResolveResult input, Conversion conversion)
      : base(targetType)
    {
      if (input == null)
        throw new ArgumentNullException("input");
      if (conversion == null)
        throw new ArgumentNullException("conversion");
      this.Input = input;
      this.Conversion = conversion;
    }
    
    public ConversionResolveResult(IType targetType, ResolveResult input, Conversion conversion, bool checkForOverflow)
      : this(targetType, input, conversion)
    {
      this.CheckForOverflow = checkForOverflow;
    }
    
    public override bool IsError {
      get { return !Conversion.IsValid; }
    }
    
    public override IEnumerable<ResolveResult> GetChildResults()
    {
      return new [] { Input };
    }

  }
}