feat: add compare for HighLevelILFlowGraphEdge

Author: tinysec

Handle/BNFlowGraphNode.cs

@@ -155,8 +155,5 @@ public void SetOutgoingEdgePoints(ulong edgeNum, Point[] points)
 			    (ulong)points.Length
 		    );
 	    }
-	    
-	   
-
 	}
 }

HighLevelIL/HighLevelILFlowGraphEdge.cs

@@ -1,6 +1,11 @@
+using System;
+
 namespace BinaryNinja
 {
-	public sealed class HighLevelILFlowGraphEdge : AbstractFlowGraphEdge<HighLevelILFlowGraphNode>
+	public sealed class HighLevelILFlowGraphEdge 
+		: AbstractFlowGraphEdge<HighLevelILFlowGraphNode>,
+		IEquatable<HighLevelILFlowGraphEdge>, 
+		IComparable<HighLevelILFlowGraphEdge>
 	{
 		internal HighLevelILFlowGraphEdge(
 			BNFlowGraphEdge native,
@@ -37,5 +42,87 @@ bool outgoing
 				);
 			}
 		}
+		
+		public override bool Equals(object? other)
+		{
+			return this.Equals(other as HighLevelILFlowGraphEdge);
+		}
+
+		public bool Equals(HighLevelILFlowGraphEdge? other)
+		{
+			if (other is null)
+			{
+				return false;
+			}
+
+			if (ReferenceEquals(this , other))
+			{
+				return true;
+			}
+
+			if (this.Type != other.Type)
+			{
+				return false;
+			}
+			
+			if (this.Source != other.Source)
+			{
+				return false;
+			}
+			
+			if (this.Target != other.Target)
+			{
+				return false;
+			}
+
+			return true;
+		}
+
+		[System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "CA2218:OverrideGetHashCodeOnOverridingEquals")]
+		public override int GetHashCode()
+		{
+			return HashCode.Combine<uint,int,int>( 
+				(uint)this.Type,
+				this.Source.GetHashCode(),
+				this.Target.GetHashCode()
+			);
+		}
+
+		public static bool operator ==(HighLevelILFlowGraphEdge? left, HighLevelILFlowGraphEdge? right)
+		{
+			if (left is null)
+			{
+				return right is null;
+			}
+			
+			return left.Equals(right);
+		}
+
+		public static bool operator !=(HighLevelILFlowGraphEdge? left, HighLevelILFlowGraphEdge? right)
+		{
+			return !(left == right);
+		}
+
+		public int CompareTo(HighLevelILFlowGraphEdge? other)
+		{
+			if (other is null)
+			{
+				return 1;
+			}
+			
+			int result = this.Type.CompareTo(other.Type);
+
+			if (0 == result)
+			{
+				result = this.Source.CompareTo(other.Source);
+			}
+			
+			if (0 == result)
+			{
+				result = this.Target.CompareTo(other.Target);
+			}
+			
+			return result;
+		}
 	}
 }

Struct/BNFlowGraphEdge.cs

@@ -39,7 +39,8 @@ public unsafe struct BNFlowGraphEdge
 		internal BNEdgeStyle style;
 	}
 
-    public abstract class AbstractFlowGraphEdge<T_FLOW_GRAPH_NODE>  : INativeWrapperEx<BNFlowGraphEdge>
+    public abstract class AbstractFlowGraphEdge<T_FLOW_GRAPH_NODE> 
+	    : INativeWrapperEx<BNFlowGraphEdge>
 		where T_FLOW_GRAPH_NODE :  FlowGraphNode
     {
 		public BranchType Type {get;} = BranchType.UnconditionalBranch;