From c604ed6c1a306ae963500fc63177bc9b6ae5569a Mon Sep 17 00:00:00 2001
From: "JesusFreke@JesusFreke.com"
 <JesusFreke@JesusFreke.com@55b6fa8a-2a1e-11de-a435-ffa8d773f76a>
Date: Fri, 28 Aug 2009 03:58:42 +0000
Subject: [PATCH] Add .hashcode and .equals to EncodedCatchHandler and
 EncodedTypeAddrPair, so that the TryListBuilder can build a unique hash to
 avoid duplicate EncodedCatchHandler entries

git-svn-id: https://smali.googlecode.com/svn/trunk@424 55b6fa8a-2a1e-11de-a435-ffa8d773f76a
---
 .../src/main/java/org/jf/dexlib/CodeItem.java | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/dexlib/src/main/java/org/jf/dexlib/CodeItem.java b/dexlib/src/main/java/org/jf/dexlib/CodeItem.java
index 7372ef3f..06ad5353 100644
--- a/dexlib/src/main/java/org/jf/dexlib/CodeItem.java
+++ b/dexlib/src/main/java/org/jf/dexlib/CodeItem.java
@@ -572,6 +572,39 @@ public class CodeItem extends Item<CodeItem> {
                 }
             }
         }
+
+        @Override
+        public int hashCode() {
+            int hash = 0;
+            for (EncodedTypeAddrPair handler: handlers) {
+                hash = hash * 31 + handler.hashCode();
+            }
+            hash = hash * 31 + catchAllHandlerAddress;
+            return hash;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this==o) {
+                return true;
+            }
+            if (o==null || !this.getClass().equals(o.getClass())) {
+                return false;
+            }
+
+            EncodedCatchHandler other = (EncodedCatchHandler)o;
+            if (handlers.length != other.handlers.length || catchAllHandlerAddress != other.catchAllHandlerAddress) {
+                return false;
+            }
+
+            for (int i=0; i<handlers.length; i++) {
+                if (!handlers[i].equals(other.handlers[i])) {
+                    return false;
+                }
+            }
+
+            return true;
+        }
     }
 
     public static class EncodedTypeAddrPair {
@@ -630,5 +663,23 @@ public class CodeItem extends Item<CodeItem> {
                 out.writeUnsignedLeb128(handlerAddress);
             }
         }
+
+        @Override
+        public int hashCode() {
+            return exceptionType.hashCode() * 31 + handlerAddress;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this==o) {
+                return true;
+            }
+            if (o==null || !this.getClass().equals(o.getClass())) {
+                return false;
+            }
+
+            EncodedTypeAddrPair other = (EncodedTypeAddrPair)o;
+            return exceptionType == other.exceptionType && handlerAddress == other.handlerAddress;
+        }
     }
 }