From 32ea33253afbbdefd2680aa95ab5f57455272ae7 Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@digia.com>
Date: Fri, 30 Nov 2012 16:58:06 +0100
Subject: Imported WebKit commit 6a4a1d32e1d779548c726c4826cba9d69eb87601
 (http://svn.webkit.org/repository/webkit/trunk@136242)

Final import for the Qt 5.x series that implements the QtWebKit / QtWebKitWidgets split

Extra fixes will be cherry-picked.

Change-Id: I844f1ebb99c6d6b75db31d6538c2acd628e79681
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
---
 Source/JavaScriptCore/bytecode/CodeOrigin.cpp | 62 +++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 Source/JavaScriptCore/bytecode/CodeOrigin.cpp

(limited to 'Source/JavaScriptCore/bytecode/CodeOrigin.cpp')

diff --git a/Source/JavaScriptCore/bytecode/CodeOrigin.cpp b/Source/JavaScriptCore/bytecode/CodeOrigin.cpp
new file mode 100644
index 000000000..92e2b0fc9
--- /dev/null
+++ b/Source/JavaScriptCore/bytecode/CodeOrigin.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2012 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "CodeOrigin.h"
+
+#include "Executable.h"
+
+namespace JSC {
+
+unsigned CodeOrigin::inlineDepthForCallFrame(InlineCallFrame* inlineCallFrame)
+{
+    unsigned result = 1;
+    for (InlineCallFrame* current = inlineCallFrame; current; current = current->caller.inlineCallFrame)
+        result++;
+    return result;
+}
+
+unsigned CodeOrigin::inlineDepth() const
+{
+    return inlineDepthForCallFrame(inlineCallFrame);
+}
+    
+Vector<CodeOrigin> CodeOrigin::inlineStack() const
+{
+    Vector<CodeOrigin> result(inlineDepth());
+    result.last() = *this;
+    unsigned index = result.size() - 2;
+    for (InlineCallFrame* current = inlineCallFrame; current; current = current->caller.inlineCallFrame)
+        result[index--] = current->caller;
+    return result;
+}
+
+CodeBlockHash InlineCallFrame::hash() const
+{
+    return executable->hashFor(specializationKind());
+}
+
+} // namespace JSC
+
-- 
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