From bd2eaf35e0787c01e8d51b8e60354482ddd39530 Mon Sep 17 00:00:00 2001
From: bdemsky <bdemsky>
Date: Sat, 14 Aug 2004 19:58:54 +0000
Subject: [PATCH 1/1] Add additional functionality to Simplehash.

---
 .../RepairCompiler/MCC/Runtime/SimpleHash.cc  | 24 ++++++++++++++++++-
 .../RepairCompiler/MCC/Runtime/SimpleHash.h   |  3 ++-
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/Repair/RepairCompiler/MCC/Runtime/SimpleHash.cc b/Repair/RepairCompiler/MCC/Runtime/SimpleHash.cc
index 77beed7..fef3507 100755
--- a/Repair/RepairCompiler/MCC/Runtime/SimpleHash.cc
+++ b/Repair/RepairCompiler/MCC/Runtime/SimpleHash.cc
@@ -229,7 +229,15 @@ int SimpleHash::remove(int key, int data) {
     return 0;
 }
 
-
+void SimpleHash::addAll(SimpleHash * set) {
+  SimpleIterator it;
+  set->iterator(it);
+  while(it.hasNext()) {
+    int key=it.key();
+    int data=it.next();
+    add(key,data);
+  }
+}
 
 int SimpleHash::add(int key, int data) {
   /* Rehash code */
@@ -325,6 +333,20 @@ int SimpleHash::count(int key) {
     return count;
 }
 
+SimpleHash * SimpleHash::imageSet(int key) {
+  SimpleHash * newset=new SimpleHash(count(key));
+  unsigned int hashkey = (unsigned int)key % size;
+  
+  struct SimpleNode *ptr = bucket[hashkey];
+  while (ptr) {
+    if (ptr->key == key) {
+      newset->add(ptr->data,ptr->data);
+    }
+    ptr = ptr->next;
+  }
+  return newset;
+}
+
 int SimpleHash::get(int key, int&data) {
     unsigned int hashkey = (unsigned int)key % size;
     
diff --git a/Repair/RepairCompiler/MCC/Runtime/SimpleHash.h b/Repair/RepairCompiler/MCC/Runtime/SimpleHash.h
index eda2467..094c963 100755
--- a/Repair/RepairCompiler/MCC/Runtime/SimpleHash.h
+++ b/Repair/RepairCompiler/MCC/Runtime/SimpleHash.h
@@ -95,7 +95,8 @@ public:
         return numelements;
     }
     int count(int key);
-
+    void addAll(SimpleHash * set);
+    SimpleHash * imageSet(int key);
 };
 
 /* SimpleHashExcepion  *************************************************/
-- 
2.34.1