From 92e28326a4f5ba68485d86d6f7f29c397d46d883 Mon Sep 17 00:00:00 2001
From: Skylot <skylot@gmail.com>
Date: Sat, 13 Jul 2019 13:24:52 +0300
Subject: [PATCH] misc: don't add same edge insn several times

---
 .../dex/attributes/nodes/EdgeInsnAttr.java    | 29 +++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/jadx-core/src/main/java/jadx/core/dex/attributes/nodes/EdgeInsnAttr.java b/jadx-core/src/main/java/jadx/core/dex/attributes/nodes/EdgeInsnAttr.java
index c0f4c3f34..41324d9f4 100644
--- a/jadx-core/src/main/java/jadx/core/dex/attributes/nodes/EdgeInsnAttr.java
+++ b/jadx-core/src/main/java/jadx/core/dex/attributes/nodes/EdgeInsnAttr.java
@@ -1,5 +1,7 @@
 package jadx.core.dex.attributes.nodes;
 
+import java.util.Objects;
+
 import jadx.core.dex.attributes.AType;
 import jadx.core.dex.attributes.AttrList;
 import jadx.core.dex.attributes.IAttribute;
@@ -14,8 +16,12 @@ public class EdgeInsnAttr implements IAttribute {
 
 	public static void addEdgeInsn(BlockNode start, BlockNode end, InsnNode insn) {
 		EdgeInsnAttr edgeInsnAttr = new EdgeInsnAttr(start, end, insn);
-		start.addAttr(AType.EDGE_INSN, edgeInsnAttr);
-		end.addAttr(AType.EDGE_INSN, edgeInsnAttr);
+		if (!start.getAll(AType.EDGE_INSN).contains(edgeInsnAttr)) {
+			start.addAttr(AType.EDGE_INSN, edgeInsnAttr);
+		}
+		if (!end.getAll(AType.EDGE_INSN).contains(edgeInsnAttr)) {
+			end.addAttr(AType.EDGE_INSN, edgeInsnAttr);
+		}
 	}
 
 	public EdgeInsnAttr(BlockNode start, BlockNode end, InsnNode insn) {
@@ -41,6 +47,25 @@ public class EdgeInsnAttr implements IAttribute {
 		return insn;
 	}
 
+	@Override
+	public boolean equals(Object o) {
+		if (this == o) {
+			return true;
+		}
+		if (o == null || getClass() != o.getClass()) {
+			return false;
+		}
+		EdgeInsnAttr that = (EdgeInsnAttr) o;
+		return start.equals(that.start)
+				&& end.equals(that.end)
+				&& insn.isDeepEquals(that.insn);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(start, end, insn);
+	}
+
 	@Override
 	public String toString() {
 		return "EDGE_INSN: " + start + "->" + end + ' ' + insn;