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/*
* 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 "PrototypeFunction.h"
namespace JSC {
void HashTable::createTable(JSGlobalData* globalData) const
{
#if ENABLE(PERFECT_HASH_SIZE)
ASSERT(!table);
HashEntry* entries = new HashEntry[hashSizeMask + 1];
for (int i = 0; i <= hashSizeMask; ++i)
entries[i].setKey(0);
for (int i = 0; values[i].key; ++i) {
UString::Rep* identifier = Identifier::add(globalData, values[i].key).releaseRef();
int hashIndex = identifier->computedHash() & hashSizeMask;
ASSERT(!entries[hashIndex].key());
entries[hashIndex].initialize(identifier, values[i].attributes, values[i].value1, values[i].value2);
}
table = entries;
#else
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) {
UString::Rep* identifier = Identifier::add(globalData, values[i].key).releaseRef();
int hashIndex = identifier->computedHash() & 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);
}
table = entries;
#endif
}
void HashTable::deleteTable() const
{
if (table) {
#if ENABLE(PERFECT_HASH_SIZE)
int max = hashSizeMask + 1;
#else
int max = compactSize;
#endif
for (int i = 0; i != max; ++i) {
if (UString::Rep* 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(entry->attributes() & Function);
JSValuePtr* location = thisObj->getDirectLocation(propertyName);
if (!location) {
PrototypeFunction* function = new (exec) PrototypeFunction(exec, entry->functionLength(), propertyName, entry->function());
thisObj->putDirect(propertyName, function, entry->attributes());
location = thisObj->getDirectLocation(propertyName);
}
slot.setValueSlot(thisObj, location, thisObj->offsetForLocation(location));
}
} // namespace JSC
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