1 /* 2 * Copyright (C) 2008 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with this library; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 * 18 */ 19 20 #include "config.h" 21 #include "Lookup.h" 22 23 #include "JSFunction.h" 24 #include "PrototypeFunction.h" 25 26 namespace JSC { 27 28 void HashTable::createTable(JSGlobalData* globalData) const 29 { 30 ASSERT(!table); 31 int linkIndex = compactHashSizeMask + 1; 32 HashEntry* entries = new HashEntry[compactSize]; 33 for (int i = 0; i < compactSize; ++i) 34 entries[i].setKey(0); 35 for (int i = 0; values[i].key; ++i) { 36 UString::Rep* identifier = Identifier::add(globalData, values[i].key).releaseRef(); 37 int hashIndex = identifier->existingHash() & compactHashSizeMask; 38 HashEntry* entry = &entries[hashIndex]; 39 40 if (entry->key()) { 41 while (entry->next()) { 42 entry = entry->next(); 43 } 44 ASSERT(linkIndex < compactSize); 45 entry->setNext(&entries[linkIndex++]); 46 entry = entry->next(); 47 } 48 49 entry->initialize(identifier, values[i].attributes, values[i].value1, values[i].value2); 50 } 51 table = entries; 52 } 53 54 void HashTable::deleteTable() const 55 { 56 if (table) { 57 int max = compactSize; 58 for (int i = 0; i != max; ++i) { 59 if (UString::Rep* key = table[i].key()) 60 key->deref(); 61 } 62 delete [] table; 63 table = 0; 64 } 65 } 66 67 void setUpStaticFunctionSlot(ExecState* exec, const HashEntry* entry, JSObject* thisObj, const Identifier& propertyName, PropertySlot& slot) 68 { 69 ASSERT(entry->attributes() & Function); 70 JSValue* location = thisObj->getDirectLocation(propertyName); 71 72 if (!location) { 73 InternalFunction* function = new (exec) NativeFunctionWrapper(exec, exec->lexicalGlobalObject()->prototypeFunctionStructure(), entry->functionLength(), propertyName, entry->function()); 74 75 thisObj->putDirectFunction(propertyName, function, entry->attributes()); 76 location = thisObj->getDirectLocation(propertyName); 77 } 78 79 slot.setValueSlot(thisObj, location, thisObj->offsetForLocation(location)); 80 } 81 82 } // namespace JSC 83
