From 8995b83bcbfbb68245f779b64e5517627c6cc6ea Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@digia.com>
Date: Wed, 17 Oct 2012 16:21:14 +0200
Subject: Imported WebKit commit cf4f8fc6f19b0629f51860cb2d4b25e139d07e00
 (http://svn.webkit.org/repository/webkit/trunk@131592)

New snapshot that includes the build fixes for Mac OS X 10.6 and earlier as well
as the previously cherry-picked changes
---
 Source/JavaScriptCore/runtime/JSGlobalData.h | 48 +++++++++++++++++-----------
 1 file changed, 30 insertions(+), 18 deletions(-)

(limited to 'Source/JavaScriptCore/runtime/JSGlobalData.h')

diff --git a/Source/JavaScriptCore/runtime/JSGlobalData.h b/Source/JavaScriptCore/runtime/JSGlobalData.h
index 603f9f82a..6cc0aad8d 100644
--- a/Source/JavaScriptCore/runtime/JSGlobalData.h
+++ b/Source/JavaScriptCore/runtime/JSGlobalData.h
@@ -44,6 +44,7 @@
 #include "Strong.h"
 #include "Terminator.h"
 #include "TimeoutChecker.h"
+#include "TypedArrayDescriptor.h"
 #include "WeakRandom.h"
 #include <wtf/BumpPointerAllocator.h>
 #include <wtf/Forward.h>
@@ -108,24 +109,6 @@ namespace JSC {
         ThreadStackTypeSmall
     };
 
-    struct TypedArrayDescriptor {
-        TypedArrayDescriptor()
-            : m_classInfo(0)
-            , m_storageOffset(0)
-            , m_lengthOffset(0)
-        {
-        }
-        TypedArrayDescriptor(const ClassInfo* classInfo, size_t storageOffset, size_t lengthOffset)
-            : m_classInfo(classInfo)
-            , m_storageOffset(storageOffset)
-            , m_lengthOffset(lengthOffset)
-        {
-        }
-        const ClassInfo* m_classInfo;
-        size_t m_storageOffset;
-        size_t m_lengthOffset;
-    };
-
 #if ENABLE(DFG_JIT)
     class ConservativeRoots;
 
@@ -429,6 +412,35 @@ namespace JSC {
         registerTypedArrayFunction(float32, Float32);
         registerTypedArrayFunction(float64, Float64);
 #undef registerTypedArrayFunction
+        
+        const TypedArrayDescriptor* typedArrayDescriptor(TypedArrayType type) const
+        {
+            switch (type) {
+            case TypedArrayNone:
+                return 0;
+            case TypedArrayInt8:
+                return &int8ArrayDescriptor();
+            case TypedArrayInt16:
+                return &int16ArrayDescriptor();
+            case TypedArrayInt32:
+                return &int32ArrayDescriptor();
+            case TypedArrayUint8:
+                return &uint8ArrayDescriptor();
+            case TypedArrayUint8Clamped:
+                return &uint8ClampedArrayDescriptor();
+            case TypedArrayUint16:
+                return &uint16ArrayDescriptor();
+            case TypedArrayUint32:
+                return &uint32ArrayDescriptor();
+            case TypedArrayFloat32:
+                return &float32ArrayDescriptor();
+            case TypedArrayFloat64:
+                return &float64ArrayDescriptor();
+            default:
+                CRASH();
+                return 0;
+            }
+        }
 
         JSLock& apiLock() { return m_apiLock; }
 
-- 
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