diff options
Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSGlobalData.cpp')
| -rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSGlobalData.cpp | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSGlobalData.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSGlobalData.cpp deleted file mode 100644 index 1c25c16..0000000 --- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSGlobalData.cpp +++ /dev/null @@ -1,283 +0,0 @@ -/* - * Copyright (C) 2008 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. - * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 "JSGlobalData.h" - -#include "ArgList.h" -#include "Collector.h" -#include "CommonIdentifiers.h" -#include "FunctionConstructor.h" -#include "GetterSetter.h" -#include "Interpreter.h" -#include "JSActivation.h" -#include "JSAPIValueWrapper.h" -#include "JSArray.h" -#include "JSByteArray.h" -#include "JSClassRef.h" -#include "JSFunction.h" -#include "JSLock.h" -#include "JSNotAnObject.h" -#include "JSPropertyNameIterator.h" -#include "JSStaticScopeObject.h" -#include "Lexer.h" -#include "Lookup.h" -#include "Nodes.h" -#include "Parser.h" - -#if ENABLE(JSC_MULTIPLE_THREADS) -#include <wtf/Threading.h> -#endif - -#if PLATFORM(MAC) -#include "ProfilerServer.h" -#endif - -using namespace WTF; - -namespace JSC { - -extern JSC_CONST_HASHTABLE HashTable arrayTable; -extern JSC_CONST_HASHTABLE HashTable jsonTable; -extern JSC_CONST_HASHTABLE HashTable dateTable; -extern JSC_CONST_HASHTABLE HashTable mathTable; -extern JSC_CONST_HASHTABLE HashTable numberTable; -extern JSC_CONST_HASHTABLE HashTable regExpTable; -extern JSC_CONST_HASHTABLE HashTable regExpConstructorTable; -extern JSC_CONST_HASHTABLE HashTable stringTable; - -void* JSGlobalData::jsArrayVPtr; -void* JSGlobalData::jsByteArrayVPtr; -void* JSGlobalData::jsStringVPtr; -void* JSGlobalData::jsFunctionVPtr; - -void JSGlobalData::storeVPtrs() -{ - CollectorCell cell; - void* storage = &cell; - - COMPILE_ASSERT(sizeof(JSArray) <= sizeof(CollectorCell), sizeof_JSArray_must_be_less_than_CollectorCell); - JSCell* jsArray = new (storage) JSArray(JSArray::createStructure(jsNull())); - JSGlobalData::jsArrayVPtr = jsArray->vptr(); - jsArray->~JSCell(); - - COMPILE_ASSERT(sizeof(JSByteArray) <= sizeof(CollectorCell), sizeof_JSByteArray_must_be_less_than_CollectorCell); - JSCell* jsByteArray = new (storage) JSByteArray(JSByteArray::VPtrStealingHack); - JSGlobalData::jsByteArrayVPtr = jsByteArray->vptr(); - jsByteArray->~JSCell(); - - COMPILE_ASSERT(sizeof(JSString) <= sizeof(CollectorCell), sizeof_JSString_must_be_less_than_CollectorCell); - JSCell* jsString = new (storage) JSString(JSString::VPtrStealingHack); - JSGlobalData::jsStringVPtr = jsString->vptr(); - jsString->~JSCell(); - - COMPILE_ASSERT(sizeof(JSFunction) <= sizeof(CollectorCell), sizeof_JSFunction_must_be_less_than_CollectorCell); - JSCell* jsFunction = new (storage) JSFunction(JSFunction::createStructure(jsNull())); - JSGlobalData::jsFunctionVPtr = jsFunction->vptr(); - jsFunction->~JSCell(); -} - -JSGlobalData::JSGlobalData(bool isShared) - : isSharedInstance(isShared) - , clientData(0) - , arrayTable(fastNew<HashTable>(JSC::arrayTable)) - , dateTable(fastNew<HashTable>(JSC::dateTable)) - , jsonTable(fastNew<HashTable>(JSC::jsonTable)) - , mathTable(fastNew<HashTable>(JSC::mathTable)) - , numberTable(fastNew<HashTable>(JSC::numberTable)) - , regExpTable(fastNew<HashTable>(JSC::regExpTable)) - , regExpConstructorTable(fastNew<HashTable>(JSC::regExpConstructorTable)) - , stringTable(fastNew<HashTable>(JSC::stringTable)) - , activationStructure(JSActivation::createStructure(jsNull())) - , interruptedExecutionErrorStructure(JSObject::createStructure(jsNull())) - , staticScopeStructure(JSStaticScopeObject::createStructure(jsNull())) - , stringStructure(JSString::createStructure(jsNull())) - , notAnObjectErrorStubStructure(JSNotAnObjectErrorStub::createStructure(jsNull())) - , notAnObjectStructure(JSNotAnObject::createStructure(jsNull())) - , propertyNameIteratorStructure(JSPropertyNameIterator::createStructure(jsNull())) - , getterSetterStructure(GetterSetter::createStructure(jsNull())) - , apiWrapperStructure(JSAPIValueWrapper::createStructure(jsNull())) - , dummyMarkableCellStructure(JSCell::createDummyStructure()) -#if USE(JSVALUE32) - , numberStructure(JSNumberCell::createStructure(jsNull())) -#endif - , identifierTable(createIdentifierTable()) - , propertyNames(new CommonIdentifiers(this)) - , emptyList(new MarkedArgumentBuffer) - , lexer(new Lexer(this)) - , parser(new Parser) - , interpreter(new Interpreter) -#if ENABLE(JIT) - , jitStubs(this) -#endif - , timeoutChecker(new TimeoutChecker) - , heap(this) - , initializingLazyNumericCompareFunction(false) - , head(0) - , dynamicGlobalObject(0) - , functionCodeBlockBeingReparsed(0) - , firstStringifierToMark(0) - , markStack(jsArrayVPtr) - , cachedUTCOffset(NaN) -#ifndef NDEBUG - , mainThreadOnly(false) -#endif -{ -#if PLATFORM(MAC) - startProfilerServerIfNeeded(); -#endif -} - -JSGlobalData::~JSGlobalData() -{ - // By the time this is destroyed, heap.destroy() must already have been called. - - delete interpreter; -#ifndef NDEBUG - // Zeroing out to make the behavior more predictable when someone attempts to use a deleted instance. - interpreter = 0; -#endif - - arrayTable->deleteTable(); - dateTable->deleteTable(); - jsonTable->deleteTable(); - mathTable->deleteTable(); - numberTable->deleteTable(); - regExpTable->deleteTable(); - regExpConstructorTable->deleteTable(); - stringTable->deleteTable(); - - fastDelete(const_cast<HashTable*>(arrayTable)); - fastDelete(const_cast<HashTable*>(dateTable)); - fastDelete(const_cast<HashTable*>(jsonTable)); - fastDelete(const_cast<HashTable*>(mathTable)); - fastDelete(const_cast<HashTable*>(numberTable)); - fastDelete(const_cast<HashTable*>(regExpTable)); - fastDelete(const_cast<HashTable*>(regExpConstructorTable)); - fastDelete(const_cast<HashTable*>(stringTable)); - - delete parser; - delete lexer; - delete timeoutChecker; - - deleteAllValues(opaqueJSClassData); - - delete emptyList; - - delete propertyNames; - deleteIdentifierTable(identifierTable); - - delete clientData; -} - -PassRefPtr<JSGlobalData> JSGlobalData::createNonDefault() -{ - return adoptRef(new JSGlobalData(false)); -} - -PassRefPtr<JSGlobalData> JSGlobalData::create() -{ - JSGlobalData* globalData = new JSGlobalData(false); - setDefaultIdentifierTable(globalData->identifierTable); - setCurrentIdentifierTable(globalData->identifierTable); - return adoptRef(globalData); -} - -PassRefPtr<JSGlobalData> JSGlobalData::createLeaked() -{ - Structure::startIgnoringLeaks(); - RefPtr<JSGlobalData> data = create(); - Structure::stopIgnoringLeaks(); - return data.release(); -} - -bool JSGlobalData::sharedInstanceExists() -{ - return sharedInstanceInternal(); -} - -JSGlobalData& JSGlobalData::sharedInstance() -{ - JSGlobalData*& instance = sharedInstanceInternal(); - if (!instance) { - instance = new JSGlobalData(true); -#if ENABLE(JSC_MULTIPLE_THREADS) - instance->makeUsableFromMultipleThreads(); -#endif - } - return *instance; -} - -JSGlobalData*& JSGlobalData::sharedInstanceInternal() -{ - ASSERT(JSLock::currentThreadIsHoldingLock()); - static JSGlobalData* sharedInstance; - return sharedInstance; -} - -// FIXME: We can also detect forms like v1 < v2 ? -1 : 0, reverse comparison, etc. -const Vector<Instruction>& JSGlobalData::numericCompareFunction(ExecState* exec) -{ - if (!lazyNumericCompareFunction.size() && !initializingLazyNumericCompareFunction) { - initializingLazyNumericCompareFunction = true; - RefPtr<FunctionExecutable> function = FunctionExecutable::fromGlobalCode(Identifier(exec, "numericCompare"), exec, 0, makeSource(UString("(function (v1, v2) { return v1 - v2; })")), 0, 0); - lazyNumericCompareFunction = function->bytecode(exec, exec->scopeChain()).instructions(); - initializingLazyNumericCompareFunction = false; - } - - return lazyNumericCompareFunction; -} - -JSGlobalData::ClientData::~ClientData() -{ -} - -void JSGlobalData::resetDateCache() -{ - cachedUTCOffset = NaN; - dstOffsetCache.reset(); - cachedDateString = UString(); - dateInstanceCache.reset(); -} - -void JSGlobalData::startSampling() -{ - interpreter->startSampling(); -} - -void JSGlobalData::stopSampling() -{ - interpreter->stopSampling(); -} - -void JSGlobalData::dumpSampleData(ExecState* exec) -{ - interpreter->dumpSampleData(exec); -} - -} // namespace JSC |