+++ /dev/null
-/*
- * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
- * Copyright (C) 2008 Cameron Zwarich (cwzwarich@uwaterloo.ca)
- *
- * 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 "JSGlobalObject.h"
-
-#include "Activation.h"
-#include "array_object.h"
-#include "bool_object.h"
-#include "date_object.h"
-#include "debugger.h"
-#include "error_object.h"
-#include "function_object.h"
-#include "math_object.h"
-#include "number_object.h"
-#include "object_object.h"
-#include "regexp_object.h"
-#include "SavedBuiltins.h"
-#include "string_object.h"
-
-#if HAVE(SYS_TIME_H)
-#include <sys/time.h>
-#endif
-
-#if PLATFORM(WIN_OS)
-#include <windows.h>
-#endif
-
-#if PLATFORM(QT)
-#include <QDateTime>
-#endif
-
-namespace KJS {
-
-// Default number of ticks before a timeout check should be done.
-static const int initialTickCountThreshold = 255;
-
-// Preferred number of milliseconds between each timeout check
-static const int preferredScriptCheckTimeInterval = 1000;
-
-static inline void markIfNeeded(JSValue* v)
-{
- if (v && !v->marked())
- v->mark();
-}
-
-// Returns the current time in milliseconds
-// It doesn't matter what "current time" is here, just as long as
-// it's possible to measure the time difference correctly.
-static inline unsigned getCurrentTime()
-{
-#if HAVE(SYS_TIME_H)
- struct timeval tv;
- gettimeofday(&tv, 0);
- return tv.tv_sec * 1000 + tv.tv_usec / 1000;
-#elif PLATFORM(QT)
- QDateTime t = QDateTime::currentDateTime();
- return t.toTime_t() * 1000 + t.time().msec();
-#elif PLATFORM(WIN_OS)
- return timeGetTime();
-#else
-#error Platform does not have getCurrentTime function
-#endif
-}
-
-JSGlobalObject* JSGlobalObject::s_head = 0;
-
-void JSGlobalObject::deleteActivationStack()
-{
- ActivationStackNode* prevNode = 0;
- for (ActivationStackNode* currentNode = d()->activations; currentNode; currentNode = prevNode) {
- prevNode = currentNode->prev;
- delete currentNode;
- }
-}
-
-JSGlobalObject::~JSGlobalObject()
-{
- ASSERT(JSLock::currentThreadIsHoldingLock());
-
- if (d()->debugger)
- d()->debugger->detach(this);
-
- d()->next->d()->prev = d()->prev;
- d()->prev->d()->next = d()->next;
- s_head = d()->next;
- if (s_head == this)
- s_head = 0;
-
- deleteActivationStack();
-
- delete d();
-}
-
-void JSGlobalObject::init()
-{
- ASSERT(JSLock::currentThreadIsHoldingLock());
-
- if (s_head) {
- d()->prev = s_head;
- d()->next = s_head->d()->next;
- s_head->d()->next->d()->prev = this;
- s_head->d()->next = this;
- } else
- s_head = d()->next = d()->prev = this;
-
- d()->compatMode = NativeMode;
-
- resetTimeoutCheck();
- d()->timeoutTime = 0;
- d()->timeoutCheckCount = 0;
-
- d()->recursion = 0;
- d()->debugger = 0;
-
- ActivationStackNode* newStackNode = new ActivationStackNode;
- newStackNode->prev = 0;
- d()->activations = newStackNode;
- d()->activationCount = 0;
-
- reset(prototype());
-}
-
-bool JSGlobalObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
-{
- if (symbolTableGet(propertyName, slot))
- return true;
- return JSVariableObject::getOwnPropertySlot(exec, propertyName, slot);
-}
-
-void JSGlobalObject::put(ExecState* exec, const Identifier& propertyName, JSValue* value, int attr)
-{
- if (symbolTablePut(propertyName, value, !(attr & ~DontDelete)))
- return;
- return JSVariableObject::put(exec, propertyName, value, attr);
-}
-
-static inline JSObject* lastInPrototypeChain(JSObject* object)
-{
- JSObject* o = object;
- while (o->prototype()->isObject())
- o = static_cast<JSObject*>(o->prototype());
- return o;
-}
-
-void JSGlobalObject::reset(JSValue* prototype)
-{
- // Clear before inititalizing, to avoid calling mark() on stale pointers --
- // which would be wasteful -- or uninitialized pointers -- which would be
- // dangerous. (The allocations below may cause a GC.)
-
- _prop.clear();
- localStorage().clear();
- symbolTable().clear();
-
- // Prototypes
- d()->functionPrototype = 0;
- d()->objectPrototype = 0;
-
- d()->arrayPrototype = 0;
- d()->stringPrototype = 0;
- d()->booleanPrototype = 0;
- d()->numberPrototype = 0;
- d()->datePrototype = 0;
- d()->regExpPrototype = 0;
- d()->errorPrototype = 0;
-
- d()->evalErrorPrototype = 0;
- d()->rangeErrorPrototype = 0;
- d()->referenceErrorPrototype = 0;
- d()->syntaxErrorPrototype = 0;
- d()->typeErrorPrototype = 0;
- d()->URIErrorPrototype = 0;
-
- // Constructors
- d()->objectConstructor = 0;
- d()->functionConstructor = 0;
- d()->arrayConstructor = 0;
- d()->stringConstructor = 0;
- d()->booleanConstructor = 0;
- d()->numberConstructor = 0;
- d()->dateConstructor = 0;
- d()->regExpConstructor = 0;
- d()->errorConstructor = 0;
-
- d()->evalErrorConstructor = 0;
- d()->rangeErrorConstructor = 0;
- d()->referenceErrorConstructor = 0;
- d()->syntaxErrorConstructor = 0;
- d()->typeErrorConstructor = 0;
- d()->URIErrorConstructor = 0;
-
- ExecState* exec = &d()->globalExec;
-
- // Prototypes
- d()->functionPrototype = new FunctionPrototype(exec);
- d()->objectPrototype = new ObjectPrototype(exec, d()->functionPrototype);
- d()->functionPrototype->setPrototype(d()->objectPrototype);
-
- d()->arrayPrototype = new ArrayPrototype(exec, d()->objectPrototype);
- d()->stringPrototype = new StringPrototype(exec, d()->objectPrototype);
- d()->booleanPrototype = new BooleanPrototype(exec, d()->objectPrototype, d()->functionPrototype);
- d()->numberPrototype = new NumberPrototype(exec, d()->objectPrototype, d()->functionPrototype);
- d()->datePrototype = new DatePrototype(exec, d()->objectPrototype);
- d()->regExpPrototype = new RegExpPrototype(exec, d()->objectPrototype, d()->functionPrototype);
- d()->errorPrototype = new ErrorPrototype(exec, d()->objectPrototype, d()->functionPrototype);
-
- d()->evalErrorPrototype = new NativeErrorPrototype(exec, d()->errorPrototype, "EvalError", "EvalError");
- d()->rangeErrorPrototype = new NativeErrorPrototype(exec, d()->errorPrototype, "RangeError", "RangeError");
- d()->referenceErrorPrototype = new NativeErrorPrototype(exec, d()->errorPrototype, "ReferenceError", "ReferenceError");
- d()->syntaxErrorPrototype = new NativeErrorPrototype(exec, d()->errorPrototype, "SyntaxError", "SyntaxError");
- d()->typeErrorPrototype = new NativeErrorPrototype(exec, d()->errorPrototype, "TypeError", "TypeError");
- d()->URIErrorPrototype = new NativeErrorPrototype(exec, d()->errorPrototype, "URIError", "URIError");
-
- // Constructors
- d()->objectConstructor = new ObjectObjectImp(exec, d()->objectPrototype, d()->functionPrototype);
- d()->functionConstructor = new FunctionObjectImp(exec, d()->functionPrototype);
- d()->arrayConstructor = new ArrayObjectImp(exec, d()->functionPrototype, d()->arrayPrototype);
- d()->stringConstructor = new StringObjectImp(exec, d()->functionPrototype, d()->stringPrototype);
- d()->booleanConstructor = new BooleanObjectImp(exec, d()->functionPrototype, d()->booleanPrototype);
- d()->numberConstructor = new NumberObjectImp(exec, d()->functionPrototype, d()->numberPrototype);
- d()->dateConstructor = new DateObjectImp(exec, d()->functionPrototype, d()->datePrototype);
- d()->regExpConstructor = new RegExpObjectImp(exec, d()->functionPrototype, d()->regExpPrototype);
- d()->errorConstructor = new ErrorObjectImp(exec, d()->functionPrototype, d()->errorPrototype);
-
- d()->evalErrorConstructor = new NativeErrorImp(exec, d()->functionPrototype, d()->evalErrorPrototype);
- d()->rangeErrorConstructor = new NativeErrorImp(exec, d()->functionPrototype, d()->rangeErrorPrototype);
- d()->referenceErrorConstructor = new NativeErrorImp(exec, d()->functionPrototype, d()->referenceErrorPrototype);
- d()->syntaxErrorConstructor = new NativeErrorImp(exec, d()->functionPrototype, d()->syntaxErrorPrototype);
- d()->typeErrorConstructor = new NativeErrorImp(exec, d()->functionPrototype, d()->typeErrorPrototype);
- d()->URIErrorConstructor = new NativeErrorImp(exec, d()->functionPrototype, d()->URIErrorPrototype);
-
- d()->functionPrototype->putDirect(exec->propertyNames().constructor, d()->functionConstructor, DontEnum);
-
- d()->objectPrototype->putDirect(exec->propertyNames().constructor, d()->objectConstructor, DontEnum | DontDelete | ReadOnly);
- d()->functionPrototype->putDirect(exec->propertyNames().constructor, d()->functionConstructor, DontEnum | DontDelete | ReadOnly);
- d()->arrayPrototype->putDirect(exec->propertyNames().constructor, d()->arrayConstructor, DontEnum | DontDelete | ReadOnly);
- d()->booleanPrototype->putDirect(exec->propertyNames().constructor, d()->booleanConstructor, DontEnum | DontDelete | ReadOnly);
- d()->stringPrototype->putDirect(exec->propertyNames().constructor, d()->stringConstructor, DontEnum | DontDelete | ReadOnly);
- d()->numberPrototype->putDirect(exec->propertyNames().constructor, d()->numberConstructor, DontEnum | DontDelete | ReadOnly);
- d()->datePrototype->putDirect(exec->propertyNames().constructor, d()->dateConstructor, DontEnum | DontDelete | ReadOnly);
- d()->regExpPrototype->putDirect(exec->propertyNames().constructor, d()->regExpConstructor, DontEnum | DontDelete | ReadOnly);
- d()->errorPrototype->putDirect(exec->propertyNames().constructor, d()->errorConstructor, DontEnum | DontDelete | ReadOnly);
- d()->evalErrorPrototype->putDirect(exec->propertyNames().constructor, d()->evalErrorConstructor, DontEnum | DontDelete | ReadOnly);
- d()->rangeErrorPrototype->putDirect(exec->propertyNames().constructor, d()->rangeErrorConstructor, DontEnum | DontDelete | ReadOnly);
- d()->referenceErrorPrototype->putDirect(exec->propertyNames().constructor, d()->referenceErrorConstructor, DontEnum | DontDelete | ReadOnly);
- d()->syntaxErrorPrototype->putDirect(exec->propertyNames().constructor, d()->syntaxErrorConstructor, DontEnum | DontDelete | ReadOnly);
- d()->typeErrorPrototype->putDirect(exec->propertyNames().constructor, d()->typeErrorConstructor, DontEnum | DontDelete | ReadOnly);
- d()->URIErrorPrototype->putDirect(exec->propertyNames().constructor, d()->URIErrorConstructor, DontEnum | DontDelete | ReadOnly);
-
- // Set global constructors
-
- // FIXME: kjs_window.cpp checks Internal/DontEnum as a performance hack, to
- // see that these values can be put directly without a check for override
- // properties.
-
- // FIXME: These properties should be handled by a static hash table.
-
- putDirect("Object", d()->objectConstructor, DontEnum);
- putDirect("Function", d()->functionConstructor, DontEnum);
- putDirect("Array", d()->arrayConstructor, DontEnum);
- putDirect("Boolean", d()->booleanConstructor, DontEnum);
- putDirect("String", d()->stringConstructor, DontEnum);
- putDirect("Number", d()->numberConstructor, DontEnum);
- putDirect("Date", d()->dateConstructor, DontEnum);
- putDirect("RegExp", d()->regExpConstructor, DontEnum);
- putDirect("Error", d()->errorConstructor, DontEnum);
- putDirect("EvalError", d()->evalErrorConstructor, Internal);
- putDirect("RangeError", d()->rangeErrorConstructor, Internal);
- putDirect("ReferenceError", d()->referenceErrorConstructor, Internal);
- putDirect("SyntaxError", d()->syntaxErrorConstructor, Internal);
- putDirect("TypeError", d()->typeErrorConstructor, Internal);
- putDirect("URIError", d()->URIErrorConstructor, Internal);
-
- // Set global values.
-
- putDirect("Math", new MathObjectImp(exec, d()->objectPrototype), DontEnum);
-
- putDirect("NaN", jsNaN(), DontEnum | DontDelete);
- putDirect("Infinity", jsNumber(Inf), DontEnum | DontDelete);
- putDirect("undefined", jsUndefined(), DontEnum | DontDelete);
-
- // Set global functions.
-
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "eval", globalFuncEval), DontEnum);
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 2, "parseInt", globalFuncParseInt), DontEnum);
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "parseFloat", globalFuncParseFloat), DontEnum);
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "isNaN", globalFuncIsNaN), DontEnum);
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "isFinite", globalFuncIsFinite), DontEnum);
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "escape", globalFuncEscape), DontEnum);
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "unescape", globalFuncUnescape), DontEnum);
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "decodeURI", globalFuncDecodeURI), DontEnum);
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "decodeURIComponent", globalFuncDecodeURIComponent), DontEnum);
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "encodeURI", globalFuncEncodeURI), DontEnum);
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "encodeURIComponent", globalFuncEncodeURIComponent), DontEnum);
-#ifndef NDEBUG
- putDirectFunction(new PrototypeFunction(exec, d()->functionPrototype, 1, "kjsprint", globalFuncKJSPrint), DontEnum);
-#endif
-
- // Set prototype, and also insert the object prototype at the end of the chain.
-
- setPrototype(prototype);
- lastInPrototypeChain(this)->setPrototype(d()->objectPrototype);
-}
-
-void JSGlobalObject::startTimeoutCheck()
-{
- if (!d()->timeoutCheckCount)
- resetTimeoutCheck();
-
- ++d()->timeoutCheckCount;
-}
-
-void JSGlobalObject::stopTimeoutCheck()
-{
- --d()->timeoutCheckCount;
-}
-
-void JSGlobalObject::resetTimeoutCheck()
-{
- d()->tickCount = 0;
- d()->ticksUntilNextTimeoutCheck = initialTickCountThreshold;
- d()->timeAtLastCheckTimeout = 0;
- d()->timeExecuting = 0;
-}
-
-bool JSGlobalObject::checkTimeout()
-{
- d()->tickCount = 0;
-
- unsigned currentTime = getCurrentTime();
-
- if (!d()->timeAtLastCheckTimeout) {
- // Suspicious amount of looping in a script -- start timing it
- d()->timeAtLastCheckTimeout = currentTime;
- return false;
- }
-
- unsigned timeDiff = currentTime - d()->timeAtLastCheckTimeout;
-
- if (timeDiff == 0)
- timeDiff = 1;
-
- d()->timeExecuting += timeDiff;
- d()->timeAtLastCheckTimeout = currentTime;
-
- // Adjust the tick threshold so we get the next checkTimeout call in the interval specified in
- // preferredScriptCheckTimeInterval
- d()->ticksUntilNextTimeoutCheck = (unsigned)((float)preferredScriptCheckTimeInterval / timeDiff) * d()->ticksUntilNextTimeoutCheck;
-
- // If the new threshold is 0 reset it to the default threshold. This can happen if the timeDiff is higher than the
- // preferred script check time interval.
- if (d()->ticksUntilNextTimeoutCheck == 0)
- d()->ticksUntilNextTimeoutCheck = initialTickCountThreshold;
-
- if (shouldInterruptScriptBeforeTimeout())
- return true;
-
- if (d()->timeoutTime && d()->timeExecuting > d()->timeoutTime) {
- if (shouldInterruptScript())
- return true;
-
- resetTimeoutCheck();
- }
-
- return false;
-}
-
-void JSGlobalObject::saveBuiltins(SavedBuiltins& builtins) const
-{
- if (!builtins._internal)
- builtins._internal = new SavedBuiltinsInternal;
-
- builtins._internal->objectConstructor = d()->objectConstructor;
- builtins._internal->functionConstructor = d()->functionConstructor;
- builtins._internal->arrayConstructor = d()->arrayConstructor;
- builtins._internal->booleanConstructor = d()->booleanConstructor;
- builtins._internal->stringConstructor = d()->stringConstructor;
- builtins._internal->numberConstructor = d()->numberConstructor;
- builtins._internal->dateConstructor = d()->dateConstructor;
- builtins._internal->regExpConstructor = d()->regExpConstructor;
- builtins._internal->errorConstructor = d()->errorConstructor;
- builtins._internal->evalErrorConstructor = d()->evalErrorConstructor;
- builtins._internal->rangeErrorConstructor = d()->rangeErrorConstructor;
- builtins._internal->referenceErrorConstructor = d()->referenceErrorConstructor;
- builtins._internal->syntaxErrorConstructor = d()->syntaxErrorConstructor;
- builtins._internal->typeErrorConstructor = d()->typeErrorConstructor;
- builtins._internal->URIErrorConstructor = d()->URIErrorConstructor;
-
- builtins._internal->objectPrototype = d()->objectPrototype;
- builtins._internal->functionPrototype = d()->functionPrototype;
- builtins._internal->arrayPrototype = d()->arrayPrototype;
- builtins._internal->booleanPrototype = d()->booleanPrototype;
- builtins._internal->stringPrototype = d()->stringPrototype;
- builtins._internal->numberPrototype = d()->numberPrototype;
- builtins._internal->datePrototype = d()->datePrototype;
- builtins._internal->regExpPrototype = d()->regExpPrototype;
- builtins._internal->errorPrototype = d()->errorPrototype;
- builtins._internal->evalErrorPrototype = d()->evalErrorPrototype;
- builtins._internal->rangeErrorPrototype = d()->rangeErrorPrototype;
- builtins._internal->referenceErrorPrototype = d()->referenceErrorPrototype;
- builtins._internal->syntaxErrorPrototype = d()->syntaxErrorPrototype;
- builtins._internal->typeErrorPrototype = d()->typeErrorPrototype;
- builtins._internal->URIErrorPrototype = d()->URIErrorPrototype;
-}
-
-void JSGlobalObject::restoreBuiltins(const SavedBuiltins& builtins)
-{
- if (!builtins._internal)
- return;
-
- d()->objectConstructor = builtins._internal->objectConstructor;
- d()->functionConstructor = builtins._internal->functionConstructor;
- d()->arrayConstructor = builtins._internal->arrayConstructor;
- d()->booleanConstructor = builtins._internal->booleanConstructor;
- d()->stringConstructor = builtins._internal->stringConstructor;
- d()->numberConstructor = builtins._internal->numberConstructor;
- d()->dateConstructor = builtins._internal->dateConstructor;
- d()->regExpConstructor = builtins._internal->regExpConstructor;
- d()->errorConstructor = builtins._internal->errorConstructor;
- d()->evalErrorConstructor = builtins._internal->evalErrorConstructor;
- d()->rangeErrorConstructor = builtins._internal->rangeErrorConstructor;
- d()->referenceErrorConstructor = builtins._internal->referenceErrorConstructor;
- d()->syntaxErrorConstructor = builtins._internal->syntaxErrorConstructor;
- d()->typeErrorConstructor = builtins._internal->typeErrorConstructor;
- d()->URIErrorConstructor = builtins._internal->URIErrorConstructor;
-
- d()->objectPrototype = builtins._internal->objectPrototype;
- d()->functionPrototype = builtins._internal->functionPrototype;
- d()->arrayPrototype = builtins._internal->arrayPrototype;
- d()->booleanPrototype = builtins._internal->booleanPrototype;
- d()->stringPrototype = builtins._internal->stringPrototype;
- d()->numberPrototype = builtins._internal->numberPrototype;
- d()->datePrototype = builtins._internal->datePrototype;
- d()->regExpPrototype = builtins._internal->regExpPrototype;
- d()->errorPrototype = builtins._internal->errorPrototype;
- d()->evalErrorPrototype = builtins._internal->evalErrorPrototype;
- d()->rangeErrorPrototype = builtins._internal->rangeErrorPrototype;
- d()->referenceErrorPrototype = builtins._internal->referenceErrorPrototype;
- d()->syntaxErrorPrototype = builtins._internal->syntaxErrorPrototype;
- d()->typeErrorPrototype = builtins._internal->typeErrorPrototype;
- d()->URIErrorPrototype = builtins._internal->URIErrorPrototype;
-}
-
-void JSGlobalObject::mark()
-{
- JSVariableObject::mark();
-
- markIfNeeded(d()->globalExec.exception());
-
- markIfNeeded(d()->objectConstructor);
- markIfNeeded(d()->functionConstructor);
- markIfNeeded(d()->arrayConstructor);
- markIfNeeded(d()->booleanConstructor);
- markIfNeeded(d()->stringConstructor);
- markIfNeeded(d()->numberConstructor);
- markIfNeeded(d()->dateConstructor);
- markIfNeeded(d()->regExpConstructor);
- markIfNeeded(d()->errorConstructor);
- markIfNeeded(d()->evalErrorConstructor);
- markIfNeeded(d()->rangeErrorConstructor);
- markIfNeeded(d()->referenceErrorConstructor);
- markIfNeeded(d()->syntaxErrorConstructor);
- markIfNeeded(d()->typeErrorConstructor);
- markIfNeeded(d()->URIErrorConstructor);
-
- markIfNeeded(d()->objectPrototype);
- markIfNeeded(d()->functionPrototype);
- markIfNeeded(d()->arrayPrototype);
- markIfNeeded(d()->booleanPrototype);
- markIfNeeded(d()->stringPrototype);
- markIfNeeded(d()->numberPrototype);
- markIfNeeded(d()->datePrototype);
- markIfNeeded(d()->regExpPrototype);
- markIfNeeded(d()->errorPrototype);
- markIfNeeded(d()->evalErrorPrototype);
- markIfNeeded(d()->rangeErrorPrototype);
- markIfNeeded(d()->referenceErrorPrototype);
- markIfNeeded(d()->syntaxErrorPrototype);
- markIfNeeded(d()->typeErrorPrototype);
- markIfNeeded(d()->URIErrorPrototype);
-}
-
-ExecState* JSGlobalObject::globalExec()
-{
- return &d()->globalExec;
-}
-
-ActivationImp* JSGlobalObject::pushActivation(ExecState* exec)
-{
- if (d()->activationCount == activationStackNodeSize) {
- ActivationStackNode* newNode = new ActivationStackNode;
- newNode->prev = d()->activations;
- d()->activations = newNode;
- d()->activationCount = 0;
- }
-
- StackActivation* stackEntry = &d()->activations->data[d()->activationCount++];
- stackEntry->activationStorage.init(exec);
- return &stackEntry->activationStorage;
-}
-
-inline void JSGlobalObject::checkActivationCount()
-{
- if (!d()->activationCount) {
- ActivationStackNode* prev = d()->activations->prev;
- ASSERT(prev);
- delete d()->activations;
- d()->activations = prev;
- d()->activationCount = activationStackNodeSize;
- }
-}
-
-void JSGlobalObject::popActivation()
-{
- checkActivationCount();
- d()->activations->data[--d()->activationCount].activationDataStorage.localStorage.shrink(0);
-}
-
-void JSGlobalObject::tearOffActivation(ExecState* exec, bool leaveRelic)
-{
- ActivationImp* oldActivation = exec->activationObject();
- if (!oldActivation || !oldActivation->isOnStack())
- return;
-
- ASSERT(exec->codeType() == FunctionCode);
- ActivationImp* newActivation = new ActivationImp(*oldActivation->d(), leaveRelic);
-
- if (!leaveRelic) {
- checkActivationCount();
- d()->activationCount--;
- }
-
- oldActivation->d()->localStorage.shrink(0);
-
- exec->setActivationObject(newActivation);
- exec->setVariableObject(newActivation);
- exec->setLocalStorage(&newActivation->localStorage());
- exec->replaceScopeChainTop(newActivation);
-}
-
-} // namespace KJS
projects / apple / javascriptcore.git / blobdiff