From 41386e9cb918eed93b3f13648cbef387e371e451 Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@lorry>
Date: Wed, 20 May 2015 09:56:07 +0000
Subject: webkitgtk-2.4.9

---
 Source/JavaScriptCore/profiler/Profile.cpp | 43 +++++++++++++++++-------------
 1 file changed, 25 insertions(+), 18 deletions(-)

(limited to 'Source/JavaScriptCore/profiler/Profile.cpp')

diff --git a/Source/JavaScriptCore/profiler/Profile.cpp b/Source/JavaScriptCore/profiler/Profile.cpp
index f3d450ab2..ed21e7879 100644
--- a/Source/JavaScriptCore/profiler/Profile.cpp
+++ b/Source/JavaScriptCore/profiler/Profile.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008, 2014 Apple Inc. All Rights Reserved.
+ * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -31,34 +31,45 @@
 
 namespace JSC {
 
-Ref<Profile> Profile::create(const String& title, unsigned uid, double startTime)
+PassRefPtr<Profile> Profile::create(const String& title, unsigned uid)
 {
-    return adoptRef(*new Profile(title, uid, startTime));
+    return adoptRef(new Profile(title, uid));
 }
 
-Profile::Profile(const String& title, unsigned uid, double startTime)
+Profile::Profile(const String& title, unsigned uid)
     : m_title(title)
     , m_uid(uid)
 {
     // FIXME: When multi-threading is supported this will be a vector and calls
     // into the profiler will need to know which thread it is executing on.
-    m_rootNode = ProfileNode::create(nullptr, CallIdentifier(ASCIILiteral("Thread_1"), String(), 0, 0), nullptr);
-    m_rootNode->appendCall(ProfileNode::Call(startTime));
+    m_head = ProfileNode::create(0, CallIdentifier("Thread_1", String(), 0), 0, 0);
 }
 
 Profile::~Profile()
 {
 }
 
-#ifndef NDEBUG
-void Profile::debugPrint()
+void Profile::forEach(void (ProfileNode::*function)())
 {
-    CalculateProfileSubtreeDataFunctor functor;
-    m_rootNode->forEachNodePostorder(functor);
-    ProfileNode::ProfileSubtreeData data = functor.returnValue();
+    ProfileNode* currentNode = m_head->firstChild();
+    for (ProfileNode* nextNode = currentNode; nextNode; nextNode = nextNode->firstChild())
+        currentNode = nextNode;
+
+    if (!currentNode)
+        currentNode = m_head.get();
+
+    ProfileNode* endNode = m_head->traverseNextNodePostOrder();
+    while (currentNode && currentNode != endNode) {
+        (currentNode->*function)();
+        currentNode = currentNode->traverseNextNodePostOrder();
+    } 
+}
 
+#ifndef NDEBUG
+void Profile::debugPrintData() const
+{
     dataLogF("Call graph:\n");
-    m_rootNode->debugPrintRecursively(0, data);
+    m_head->debugPrintData(0);
 }
 
 typedef WTF::KeyValuePair<FunctionCallHashCount::ValueType, unsigned> NameCountPair;
@@ -68,17 +79,13 @@ static inline bool functionNameCountPairComparator(const NameCountPair& a, const
     return a.value > b.value;
 }
 
-void Profile::debugPrintSampleStyle()
+void Profile::debugPrintDataSampleStyle() const
 {
     typedef Vector<NameCountPair> NameCountPairVector;
 
-    CalculateProfileSubtreeDataFunctor functor;
-    m_rootNode->forEachNodePostorder(functor);
-    ProfileNode::ProfileSubtreeData data = functor.returnValue();
-
     FunctionCallHashCount countedFunctions;
     dataLogF("Call graph:\n");
-    m_rootNode->debugPrintSampleStyleRecursively(0, countedFunctions, data);
+    m_head->debugPrintDataSampleStyle(0, countedFunctions);
 
     dataLogF("\nTotal number in stack:\n");
     NameCountPairVector sortedFunctions(countedFunctions.size());
-- 
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