From cad810f21b803229eb11403f9209855525a25d57 Mon Sep 17 00:00:00 2001
From: Steve Block <steveblock@google.com>
Date: Fri, 6 May 2011 11:45:16 +0100
Subject: Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
---
 Source/JavaScriptCore/runtime/Lookup.cpp | 96 ++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 Source/JavaScriptCore/runtime/Lookup.cpp

(limited to 'Source/JavaScriptCore/runtime/Lookup.cpp')

diff --git a/Source/JavaScriptCore/runtime/Lookup.cpp b/Source/JavaScriptCore/runtime/Lookup.cpp
new file mode 100644
index 0000000..dac1c94
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/Lookup.cpp
@@ -0,0 +1,96 @@
+/*
+ *  Copyright (C) 2008 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include "config.h"
+#include "Lookup.h"
+
+#include "Executable.h"
+#include "JSFunction.h"
+#include "PrototypeFunction.h"
+
+namespace JSC {
+
+void HashTable::createTable(JSGlobalData* globalData) const
+{
+    ASSERT(!table);
+    int linkIndex = compactHashSizeMask + 1;
+    HashEntry* entries = new HashEntry[compactSize];
+    for (int i = 0; i < compactSize; ++i)
+        entries[i].setKey(0);
+    for (int i = 0; values[i].key; ++i) {
+        StringImpl* identifier = Identifier::add(globalData, values[i].key).leakRef();
+        int hashIndex = identifier->existingHash() & compactHashSizeMask;
+        HashEntry* entry = &entries[hashIndex];
+
+        if (entry->key()) {
+            while (entry->next()) {
+                entry = entry->next();
+            }
+            ASSERT(linkIndex < compactSize);
+            entry->setNext(&entries[linkIndex++]);
+            entry = entry->next();
+        }
+
+        entry->initialize(identifier, values[i].attributes, values[i].value1, values[i].value2
+#if ENABLE(JIT)
+                          , values[i].generator
+#endif
+                          );
+    }
+    table = entries;
+}
+
+void HashTable::deleteTable() const
+{
+    if (table) {
+        int max = compactSize;
+        for (int i = 0; i != max; ++i) {
+            if (StringImpl* key = table[i].key())
+                key->deref();
+        }
+        delete [] table;
+        table = 0;
+    }
+}
+
+void setUpStaticFunctionSlot(ExecState* exec, const HashEntry* entry, JSObject* thisObj, const Identifier& propertyName, PropertySlot& slot)
+{
+    ASSERT(thisObj->structure()->anonymousSlotCount() > 0);
+    ASSERT(thisObj->getAnonymousValue(0).isCell() && asObject(thisObj->getAnonymousValue(0).asCell())->isGlobalObject());
+    ASSERT(entry->attributes() & Function);
+    JSValue* location = thisObj->getDirectLocation(propertyName);
+
+    if (!location) {
+        NativeFunctionWrapper* function;
+        JSGlobalObject* globalObject = asGlobalObject(thisObj->getAnonymousValue(0).asCell());
+#if ENABLE(JIT) && ENABLE(JIT_OPTIMIZE_NATIVE_CALL)
+        if (entry->generator())
+            function = new (exec) NativeFunctionWrapper(exec, globalObject, globalObject->prototypeFunctionStructure(), entry->functionLength(), propertyName, exec->globalData().getHostFunction(entry->function(), entry->generator()));
+        else
+#endif
+            function = new (exec) NativeFunctionWrapper(exec, globalObject, globalObject->prototypeFunctionStructure(), entry->functionLength(), propertyName, entry->function());
+
+        thisObj->putDirectFunction(propertyName, function, entry->attributes());
+        location = thisObj->getDirectLocation(propertyName);
+    }
+
+    slot.setValueSlot(thisObj, location, thisObj->offsetForLocation(location));
+}
+
+} // namespace JSC
-- 
cgit v1.1