Ejemplo n.º 1
0
PassRefPtr<CodeBlock> ScriptExecutable::newReplacementCodeBlockFor(
    CodeSpecializationKind kind)
{
    if (classInfo() == EvalExecutable::info()) {
        RELEASE_ASSERT(kind == CodeForCall);
        EvalExecutable* executable = jsCast<EvalExecutable*>(this);
        EvalCodeBlock* baseline = static_cast<EvalCodeBlock*>(
            executable->m_evalCodeBlock->baselineVersion());
        RefPtr<EvalCodeBlock> result = adoptRef(new EvalCodeBlock(
            CodeBlock::CopyParsedBlock, *baseline));
        result->setAlternative(baseline);
        return result;
    }
    
    if (classInfo() == ProgramExecutable::info()) {
        RELEASE_ASSERT(kind == CodeForCall);
        ProgramExecutable* executable = jsCast<ProgramExecutable*>(this);
        ProgramCodeBlock* baseline = static_cast<ProgramCodeBlock*>(
            executable->m_programCodeBlock->baselineVersion());
        RefPtr<ProgramCodeBlock> result = adoptRef(new ProgramCodeBlock(
            CodeBlock::CopyParsedBlock, *baseline));
        result->setAlternative(baseline);
        return result;
    }

    RELEASE_ASSERT(classInfo() == FunctionExecutable::info());
    FunctionExecutable* executable = jsCast<FunctionExecutable*>(this);
    FunctionCodeBlock* baseline = static_cast<FunctionCodeBlock*>(
        executable->codeBlockFor(kind)->baselineVersion());
    RefPtr<FunctionCodeBlock> result = adoptRef(new FunctionCodeBlock(
        CodeBlock::CopyParsedBlock, *baseline));
    result->setAlternative(baseline);
    return result;
}
Ejemplo n.º 2
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void Error::newError(QScriptValueImpl *result, const QScriptValueImpl &proto,
                     const QString &message)
{
    QScriptEnginePrivate *eng_p = engine();

    if (!result->isValid())
        eng_p->newObject(result, proto, classInfo());
    else
        result->setClassInfo(classInfo());
    result->setProperty(QLatin1String("message"), QScriptValueImpl(eng_p, message));
}
Ejemplo n.º 3
0
RefPtr<CodeBlock> ScriptExecutable::newCodeBlockFor(
    CodeSpecializationKind kind, JSFunction* function, JSScope* scope, JSObject*& exception)
{
    VM* vm = scope->vm();

    ASSERT(vm->heap.isDeferred());
    ASSERT(startColumn() != UINT_MAX);
    ASSERT(endColumn() != UINT_MAX);

    if (classInfo() == EvalExecutable::info()) {
        EvalExecutable* executable = jsCast<EvalExecutable*>(this);
        RELEASE_ASSERT(kind == CodeForCall);
        RELEASE_ASSERT(!executable->m_evalCodeBlock);
        RELEASE_ASSERT(!function);
        return adoptRef(new EvalCodeBlock(
            executable, executable->m_unlinkedEvalCodeBlock.get(), scope,
            executable->source().provider()));
    }
    
    if (classInfo() == ProgramExecutable::info()) {
        ProgramExecutable* executable = jsCast<ProgramExecutable*>(this);
        RELEASE_ASSERT(kind == CodeForCall);
        RELEASE_ASSERT(!executable->m_programCodeBlock);
        RELEASE_ASSERT(!function);
        return adoptRef(new ProgramCodeBlock(
            executable, executable->m_unlinkedProgramCodeBlock.get(), scope,
            executable->source().provider(), executable->source().startColumn()));
    }
    
    RELEASE_ASSERT(classInfo() == FunctionExecutable::info());
    RELEASE_ASSERT(function);
    FunctionExecutable* executable = jsCast<FunctionExecutable*>(this);
    RELEASE_ASSERT(!executable->codeBlockFor(kind));
    JSGlobalObject* globalObject = scope->globalObject();
    ParserError error;
    DebuggerMode debuggerMode = globalObject->hasDebugger() ? DebuggerOn : DebuggerOff;
    ProfilerMode profilerMode = globalObject->hasProfiler() ? ProfilerOn : ProfilerOff;
    UnlinkedFunctionCodeBlock* unlinkedCodeBlock =
    executable->m_unlinkedExecutable->codeBlockFor(*vm, executable->m_source, kind, debuggerMode, profilerMode, error, executable->isArrowFunction());
    recordParse(executable->m_unlinkedExecutable->features(), executable->m_unlinkedExecutable->hasCapturedVariables(), firstLine(), lastLine(), startColumn(), endColumn()); 
    if (!unlinkedCodeBlock) {
        exception = vm->throwException(
            globalObject->globalExec(),
            error.toErrorObject(globalObject, executable->m_source));
        return nullptr;
    }

    SourceProvider* provider = executable->source().provider();
    unsigned sourceOffset = executable->source().startOffset();
    unsigned startColumn = executable->source().startColumn();

    return adoptRef(new FunctionCodeBlock(
        executable, unlinkedCodeBlock, scope, provider, sourceOffset, startColumn));
}
Ejemplo n.º 4
0
Enumeration::Enumeration(QScriptEnginePrivate *eng):
    Ecma::Core(eng, QLatin1String("Enumeration"), QScriptClassInfo::EnumerationType)
{
    classInfo()->setData(new EnumerationClassData(classInfo()));

    newEnumeration(&publicPrototype, eng->newArray());

    eng->newConstructor(&ctor, this, publicPrototype);

    addPrototypeFunction(QLatin1String("toFront"), method_toFront, 0);
    addPrototypeFunction(QLatin1String("hasNext"), method_hasNext, 0);
    addPrototypeFunction(QLatin1String("next"), method_next, 0);
}
void Function::initialize()
{
    QScriptEnginePrivate *eng = engine();
    eng->newConstructor(&ctor, this, publicPrototype);

    addPrototypeFunction(QLatin1String("toString"), method_toString, 1);
    addPrototypeFunction(QLatin1String("apply"), method_apply, 1);
    addPrototypeFunction(QLatin1String("call"), method_call, 1);
    addPrototypeFunction(QLatin1String("connect"), method_connect, 1);
    addPrototypeFunction(QLatin1String("disconnect"), method_disconnect, 1);

    QExplicitlySharedDataPointer<QScriptClassData> data(new FunctionClassData(classInfo()));
    classInfo()->setData(data);
}
Ejemplo n.º 6
0
void ExecutableBase::dump(PrintStream& out) const
{
    ExecutableBase* realThis = const_cast<ExecutableBase*>(this);
    
    if (classInfo() == NativeExecutable::info()) {
        NativeExecutable* native = jsCast<NativeExecutable*>(realThis);
        out.print("NativeExecutable:", RawPointer(bitwise_cast<void*>(native->function())), "/", RawPointer(bitwise_cast<void*>(native->constructor())));
        return;
    }
    
    if (classInfo() == EvalExecutable::info()) {
        EvalExecutable* eval = jsCast<EvalExecutable*>(realThis);
        if (CodeBlock* codeBlock = eval->codeBlock())
            out.print(*codeBlock);
        else
            out.print("EvalExecutable w/o CodeBlock");
        return;
    }
    
    if (classInfo() == ProgramExecutable::info()) {
        ProgramExecutable* eval = jsCast<ProgramExecutable*>(realThis);
        if (CodeBlock* codeBlock = eval->codeBlock())
            out.print(*codeBlock);
        else
            out.print("ProgramExecutable w/o CodeBlock");
        return;
    }

    if (classInfo() == ModuleProgramExecutable::info()) {
        ModuleProgramExecutable* executable = jsCast<ModuleProgramExecutable*>(realThis);
        if (CodeBlock* codeBlock = executable->codeBlock())
            out.print(*codeBlock);
        else
            out.print("ModuleProgramExecutable w/o CodeBlock");
        return;
    }
    
    FunctionExecutable* function = jsCast<FunctionExecutable*>(realThis);
    if (!function->eitherCodeBlock())
        out.print("FunctionExecutable w/o CodeBlock");
    else {
        CommaPrinter comma("/");
        if (function->codeBlockForCall())
            out.print(comma, *function->codeBlockForCall());
        if (function->codeBlockForConstruct())
            out.print(comma, *function->codeBlockForConstruct());
    }
}
Ejemplo n.º 7
0
UString JSObject::className() const
{
    const ClassInfo* info = classInfo();
    if (info)
        return info->className;
    return "Object";
}
Ejemplo n.º 8
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bool QScriptValueImpl::hasInstance(const QScriptValueImpl &value) const
{
    Q_ASSERT(isObject());

    if (QScriptClassData *odata = classInfo()->data()) {
        if (odata->implementsHasInstance(*this))
            return odata->hasInstance(*this, value);
    }
    if (!isFunction())
        return false;

    // [[HasInstance] for function objects

    if (!value.isObject())
        return false;

    QScriptEnginePrivate *eng = engine();
    QScriptValueImpl proto = property(eng->idTable()->id_prototype);
    if (!proto.isObject()) {
        QScriptContextPrivate *ctx = eng->currentContext();
        ctx->throwTypeError(QLatin1String("instanceof: 'prototype' property is not an object"));
        return false;
    }

    QScriptObject *target = proto.m_object_value;
    QScriptValueImpl v = value;
    while (true) {
        v = v.prototype();
        if (!v.isObject())
            break;
        if (target == v.m_object_value)
            return true;
    }
    return false;
}
Ejemplo n.º 9
0
void Boolean::execute(QScriptContextPrivate *context)
{
#ifndef Q_SCRIPT_NO_EVENT_NOTIFY
    engine()->notifyFunctionEntry(context);
#endif
    bool value;
    if (context->argumentCount() > 0)
        value = context->argument(0).toBoolean();
    else
        value = false;

    QScriptValueImpl boolean(engine(), value);
    if (!context->isCalledAsConstructor()) {
        context->setReturnValue(boolean);
    } else {
        QScriptValueImpl &obj = context->m_thisObject;
        obj.setClassInfo(classInfo());
        obj.setInternalValue(boolean);
        obj.setPrototype(publicPrototype);
        context->setReturnValue(obj);
    }
#ifndef Q_SCRIPT_NO_EVENT_NOTIFY
    engine()->notifyFunctionExit(context);
#endif
}
Ejemplo n.º 10
0
EXPORT
UString JSObject::className() const
{
  const ClassInfo *ci = classInfo();
  if ( ci )
    return ci->className;
  return "Object";
}
void FunctionClassData::mark(const QScriptValueImpl &object, int generation)
{
    if (object.classInfo() != classInfo())
        return;
    QScriptFunction *fun = object.toFunction();
    QScriptEnginePrivate *eng = QScriptEnginePrivate::get(object.engine());
    fun->mark(eng, generation);
}
Ejemplo n.º 12
0
CodeBlock* ScriptExecutable::newReplacementCodeBlockFor(
    CodeSpecializationKind kind)
{
    if (classInfo() == EvalExecutable::info()) {
        RELEASE_ASSERT(kind == CodeForCall);
        EvalExecutable* executable = jsCast<EvalExecutable*>(this);
        EvalCodeBlock* baseline = static_cast<EvalCodeBlock*>(
            executable->m_evalCodeBlock->baselineVersion());
        EvalCodeBlock* result = EvalCodeBlock::create(vm(),
            CodeBlock::CopyParsedBlock, *baseline);
        result->setAlternative(*vm(), baseline);
        return result;
    }
    
    if (classInfo() == ProgramExecutable::info()) {
        RELEASE_ASSERT(kind == CodeForCall);
        ProgramExecutable* executable = jsCast<ProgramExecutable*>(this);
        ProgramCodeBlock* baseline = static_cast<ProgramCodeBlock*>(
            executable->m_programCodeBlock->baselineVersion());
        ProgramCodeBlock* result = ProgramCodeBlock::create(vm(),
            CodeBlock::CopyParsedBlock, *baseline);
        result->setAlternative(*vm(), baseline);
        return result;
    }

    if (classInfo() == ModuleProgramExecutable::info()) {
        RELEASE_ASSERT(kind == CodeForCall);
        ModuleProgramExecutable* executable = jsCast<ModuleProgramExecutable*>(this);
        ModuleProgramCodeBlock* baseline = static_cast<ModuleProgramCodeBlock*>(
            executable->m_moduleProgramCodeBlock->baselineVersion());
        ModuleProgramCodeBlock* result = ModuleProgramCodeBlock::create(vm(),
            CodeBlock::CopyParsedBlock, *baseline);
        result->setAlternative(*vm(), baseline);
        return result;
    }

    RELEASE_ASSERT(classInfo() == FunctionExecutable::info());
    FunctionExecutable* executable = jsCast<FunctionExecutable*>(this);
    FunctionCodeBlock* baseline = static_cast<FunctionCodeBlock*>(
        executable->codeBlockFor(kind)->baselineVersion());
    FunctionCodeBlock* result = FunctionCodeBlock::create(vm(),
        CodeBlock::CopyParsedBlock, *baseline);
    result->setAlternative(*vm(), baseline);
    return result;
}
Ejemplo n.º 13
0
void RegExp::newRegExp(QScriptValueImpl *result, const QString &pattern, int flags)
{
#ifndef QT_NO_REGEXP
    QRegExp rx = toRegExp(pattern, flags);
    newRegExp_helper(result, rx, flags);
#else
    engine()->newObject(result, publicPrototype, classInfo());
    initRegExp(result, pattern, flags);
#endif // QT_NO_REGEXP
}
Ejemplo n.º 14
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bool QScriptValueImpl::implementsHasInstance() const
{
    Q_ASSERT(isObject());
    if (isFunction())
        return true;
    if (QScriptClassData *odata = classInfo()->data()) {
        return odata->implementsHasInstance(*this);
    }
    return false;
}
Ejemplo n.º 15
0
const HashEntry* JSObject::findPropertyHashEntry(const Identifier& propertyName) const
{
  for (const ClassInfo *info = classInfo(); info; info = info->parentClass) {
    if (const HashTable *propHashTable = info->propHashTable) {
      if (const HashEntry *e = Lookup::findEntry(propHashTable, propertyName))
        return e;
    }
  }
  return 0;
}
Ejemplo n.º 16
0
const HashEntry* JSObject::findPropertyHashEntry(ExecState* exec, const Identifier& propertyName) const
{
    for (const ClassInfo* info = classInfo(); info; info = info->parentClass) {
        if (const HashTable* propHashTable = info->propHashTable(exec)) {
            if (const HashEntry* entry = propHashTable->entry(exec, propertyName))
                return entry;
        }
    }
    return 0;
}
Ejemplo n.º 17
0
void ExecutableBase::clearCode()
{
#if ENABLE(JIT)
    m_jitCodeForCall = nullptr;
    m_jitCodeForConstruct = nullptr;
    m_jitCodeForCallWithArityCheck = MacroAssemblerCodePtr();
    m_jitCodeForConstructWithArityCheck = MacroAssemblerCodePtr();
#endif
    m_numParametersForCall = NUM_PARAMETERS_NOT_COMPILED;
    m_numParametersForConstruct = NUM_PARAMETERS_NOT_COMPILED;

    if (classInfo() == FunctionExecutable::info()) {
        FunctionExecutable* executable = jsCast<FunctionExecutable*>(this);
        executable->m_codeBlockForCall.clear();
        executable->m_codeBlockForConstruct.clear();
        return;
    }

    if (classInfo() == EvalExecutable::info()) {
        EvalExecutable* executable = jsCast<EvalExecutable*>(this);
        executable->m_evalCodeBlock.clear();
        executable->m_unlinkedEvalCodeBlock.clear();
        return;
    }
    
    if (classInfo() == ProgramExecutable::info()) {
        ProgramExecutable* executable = jsCast<ProgramExecutable*>(this);
        executable->m_programCodeBlock.clear();
        executable->m_unlinkedProgramCodeBlock.clear();
        return;
    }

    if (classInfo() == ModuleProgramExecutable::info()) {
        ModuleProgramExecutable* executable = jsCast<ModuleProgramExecutable*>(this);
        executable->m_moduleProgramCodeBlock.clear();
        executable->m_unlinkedModuleProgramCodeBlock.clear();
        executable->m_moduleEnvironmentSymbolTable.clear();
        return;
    }
    
    ASSERT(classInfo() == NativeExecutable::info());
}
Ejemplo n.º 18
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void Variant::newVariant(QScriptValueImpl *result, const QVariant &value)
{
    Instance *instance;
    if (!result->isValid()) {
        engine()->newObject(result, publicPrototype, classInfo());
        instance = new Instance();
        result->setObjectData(instance);
    } else {
        Q_ASSERT(result->isObject());
        if (result->classInfo() != classInfo()) {
            result->destroyObjectData();
            result->setClassInfo(classInfo());
            instance = new Instance();
            result->setObjectData(instance);
        } else {
            instance = Instance::get(*result, classInfo());
        }
    }
    instance->value = value;
}
Ejemplo n.º 19
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void EnumerationClassData::mark(const QScriptValueImpl &object, int generation)
{
    Q_ASSERT(object.isValid());

    QScriptEnginePrivate *eng = object.engine();

    if (Enumeration::Instance *instance = Enumeration::Instance::get(object, classInfo())) {
        eng->markObject(instance->object, generation);
        if (instance->it)
            eng->markObject(instance->it->object(), generation);
    }
}
Ejemplo n.º 20
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void Enumeration::newEnumeration(QScriptValueImpl *result, const QScriptValueImpl &object)
{
    Instance *instance = new Instance();
    instance->object = object;
    if (object.isObject()) {
        instance->it = new QScriptValueIteratorImpl(object);
        instance->it->setIgnoresDontEnum(false);
        instance->it->setEnumeratePrototype(true);
    } else {
        instance->it = 0;
    }
    engine()->newObject(result, publicPrototype, classInfo());
    result->setObjectData(instance);
}
Ejemplo n.º 21
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/*
@begin DOMCSSRuleTable 4
  type			DOMCSSRule::Type	DontDelete|ReadOnly
  cssText		DOMCSSRule::CssText	DontDelete|ReadOnly
  parentStyleSheet	DOMCSSRule::ParentStyleSheet	DontDelete|ReadOnly
  parentRule		DOMCSSRule::ParentRule	DontDelete|ReadOnly
@end
@begin DOMCSSStyleRuleTable 2
  selectorText		DOMCSSRule::Style_SelectorText	DontDelete
  style			DOMCSSRule::Style_Style		DontDelete|ReadOnly
@end
@begin DOMCSSMediaRuleTable 4
  media			DOMCSSRule::Media_Media		DontDelete|ReadOnly
  cssRules		DOMCSSRule::Media_CssRules	DontDelete|ReadOnly
  insertRule		DOMCSSRule::Media_InsertRule	DontDelete|Function 2
  deleteRule		DOMCSSRule::Media_DeleteRule	DontDelete|Function 1
@end
@begin DOMCSSFontFaceRuleTable 1
  style			DOMCSSRule::FontFace_Style	DontDelete|ReadOnly
@end
@begin DOMCSSPageRuleTable 2
  selectorText		DOMCSSRule::Page_SelectorText	DontDelete
  style			DOMCSSRule::Page_Style		DontDelete|ReadOnly
@end
@begin DOMCSSImportRuleTable 3
  href			DOMCSSRule::Import_Href		DontDelete|ReadOnly
  media			DOMCSSRule::Import_Media	DontDelete|ReadOnly
  styleSheet		DOMCSSRule::Import_StyleSheet	DontDelete|ReadOnly
@end
@begin DOMCSSCharsetRuleTable 1
  encoding		DOMCSSRule::Charset_Encoding	DontDelete
@end
*/
Value DOMCSSRule::tryGet(ExecState *exec, const Identifier &propertyName) const
{
#ifdef KJS_VERBOSE
  kdDebug(6070) << "DOMCSSRule::tryGet " << propertyName.qstring() << endl;
#endif
  const HashTable* table = classInfo()->propHashTable; // get the right hashtable
  const HashEntry* entry = Lookup::findEntry(table, propertyName);
  if (entry) {
    if (entry->attr & Function)
      return lookupOrCreateFunction<DOMCSSRuleFunc>(exec, propertyName, this, entry->value, entry->params, entry->attr);
    return getValueProperty(exec, entry->value);
  }

  // Base CSSRule stuff or parent class forward, as usual
  return DOMObjectLookupGet<DOMCSSRuleFunc, DOMCSSRule, DOMObject>(exec, propertyName, &DOMCSSRuleTable, this);
}
Ejemplo n.º 22
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void JSObject::getOwnPropertyNames(ExecState* /*exec*/, PropertyNameArray& propertyNames, PropertyMap::PropertyMode mode)
{
  _prop.getPropertyNames(propertyNames, mode);

  // Add properties from the static hashtable of properties
  const ClassInfo *info = classInfo();
  while (info) {
    if (info->propHashTable) {
      int size = info->propHashTable->size;
      const HashEntry *e = info->propHashTable->entries;
      for (int i = 0; i < size; ++i, ++e) {
        if (e->s && PropertyMap::checkEnumerable(e->attr, mode))
          propertyNames.add(e->s);
      }
    }
    info = info->parentClass;
  }
}
Ejemplo n.º 23
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void DOMCSSRule::tryPut(ExecState *exec, const Identifier &propertyName, const Value& value, int attr)
{
  const HashTable* table = classInfo()->propHashTable; // get the right hashtable
  const HashEntry* entry = Lookup::findEntry(table, propertyName);
  if (entry) {
    if (entry->attr & Function) // function: put as override property
    {
      ObjectImp::put(exec, propertyName, value, attr);
      return;
    }
    else if ((entry->attr & ReadOnly) == 0) // let DOMObjectLookupPut print the warning if not
    {
      putValueProperty(exec, entry->value, value, attr);
      return;
    }
  }
  DOMObjectLookupPut<DOMCSSRule, DOMObject>(exec, propertyName, value, attr, &DOMCSSRuleTable, this);
}
bool FunctionClassData::get(const QScriptValueImpl &object, const Member &member,
                            QScriptValueImpl *result)
{
    if (object.classInfo() != classInfo())
        return false;

    QScriptEnginePrivate *eng = QScriptEnginePrivate::get(object.engine());
    if (! member.isNativeProperty())
        return false;

    if (member.nameId() == eng->idTable()->id_length) {
        eng->newNumber(result, object.toFunction()->length);
        return true;
    } else if (member.nameId() == eng->idTable()->id_arguments) {
        eng->newNull(result);
        return true;
    }

    return false;
}
Ejemplo n.º 25
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EXPORT
void JSObject::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames)
{
   _prop.getEnumerablePropertyNames(propertyNames);

  // Add properties from the static hashtable of properties
  const ClassInfo *info = classInfo();
  while (info) {
    if (info->propHashTable) {
      int size = info->propHashTable->size;
      const HashEntry *e = info->propHashTable->entries;
      for (int i = 0; i < size; ++i, ++e) {
        if (e->s && !(e->attr & DontEnum))
          propertyNames.add(e->s);
      }
    }
    info = info->parentClass;
  }
  if (_proto->isObject())
     static_cast<JSObject*>(_proto)->getPropertyNames(exec, propertyNames);
}
bool FunctionClassData::resolve(const QScriptValueImpl &object,
                                QScriptNameIdImpl *nameId,
                                QScript::Member *member, QScriptValueImpl *base)
{
    if (object.classInfo() != classInfo())
        return false;

    QScriptEnginePrivate *eng = QScriptEnginePrivate::get(object.engine());

    if ((nameId == eng->idTable()->id_length)
        || (nameId == eng->idTable()->id_arguments)) {
        member->native(nameId, /*id=*/ 0,
                       QScriptValue::Undeletable
                       | QScriptValue::ReadOnly
                       | QScriptValue::SkipInEnumeration);
        *base = object;
        return true;
    }

    return false;
}
Ejemplo n.º 27
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void JSObject::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames)
{
    m_structureID->propertyMap().getEnumerablePropertyNames(propertyNames);

    // Add properties from the static hashtables of properties
    for (const ClassInfo* info = classInfo(); info; info = info->parentClass) {
        const HashTable* table = info->propHashTable(exec);
        if (!table)
            continue;
        table->initializeIfNeeded(exec);
        ASSERT(table->table);
        int hashSizeMask = table->hashSizeMask;
        const HashEntry* entry = table->table;
        for (int i = 0; i <= hashSizeMask; ++i, ++entry) {
            if (entry->key && !(entry->attributes & DontEnum))
                propertyNames.add(entry->key);
        }
    }

    if (prototype()->isObject())
        static_cast<JSObject*>(prototype())->getPropertyNames(exec, propertyNames);
}
Ejemplo n.º 28
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bool QScriptValueImpl::resolve_helper(QScriptNameIdImpl *nameId, QScript::Member *member,
                                      QScriptValueImpl *object, QScriptValue::ResolveFlags mode,
                                      QScript::AccessMode access) const
{
    QScriptObject *object_data = m_object_value;

    QScriptEnginePrivate *eng_p = engine();

    if (nameId == eng_p->idTable()->id___proto__) {
        member->native(nameId, /*id=*/0, QScriptValue::Undeletable);
        *object = *this;
        return true;
    }

    // If not found anywhere else, search in the extra members.
    if (QScriptClassData *odata = classInfo()->data()) {
        *object = *this;

        if (odata->resolve(*this, nameId, member, object, access))
            return true;
    }

    if (mode & QScriptValue::ResolvePrototype) {
        // For values and other non object based types, search in class's prototype
        const QScriptValueImpl &proto = object_data->m_prototype;

        if (proto.isObject()
            && proto.resolve(nameId, member, object, mode, access)) {
            return true;
        }
    }

    if ((mode & QScriptValue::ResolveScope) && object_data->m_scope.isValid())
        return object_data->m_scope.resolve(nameId, member, object, mode, access);

    return false;
}
Ejemplo n.º 29
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Error::Error(QScriptEnginePrivate *eng):
    Core(eng, QLatin1String("Error"), QScriptClassInfo::ErrorType)
{
    eng->newFunction(&ctor, this);
    newErrorPrototype(&publicPrototype, QScriptValueImpl(), ctor, QLatin1String("Error"));
    addPrototypeFunction(QLatin1String("backtrace"), method_backtrace, 0);
    addPrototypeFunction(QLatin1String("toString"), method_toString, 0);

    // native errors

    evalErrorCtor = eng->createFunction(method_EvalError, 3,
                                        classInfo(), QLatin1String("EvalError"));
    rangeErrorCtor = eng->createFunction(method_RangeError, 3,
                                         classInfo(), QLatin1String("RangeError"));
    referenceErrorCtor = eng->createFunction(method_ReferenceError, 3,
                                             classInfo(), QLatin1String("ReferenceError"));
    syntaxErrorCtor = eng->createFunction(method_SyntaxError, 3,
                                          classInfo(), QLatin1String("SyntaxError"));
    typeErrorCtor = eng->createFunction(method_TypeError, 3,
                                        classInfo(), QLatin1String("TypeError"));
    uriErrorCtor = eng->createFunction(method_UriError, 3,
                                       classInfo(), QLatin1String("URIError"));

    newErrorPrototype(&evalErrorPrototype, publicPrototype,
                      evalErrorCtor, QLatin1String("EvalError"));
    newErrorPrototype(&rangeErrorPrototype, publicPrototype,
                      rangeErrorCtor, QLatin1String("RangeError"));
    newErrorPrototype(&referenceErrorPrototype, publicPrototype,
                      referenceErrorCtor, QLatin1String("ReferenceError"));
    newErrorPrototype(&syntaxErrorPrototype, publicPrototype,
                      syntaxErrorCtor, QLatin1String("SyntaxError"));
    newErrorPrototype(&typeErrorPrototype, publicPrototype,
                      typeErrorCtor, QLatin1String("TypeError"));
    newErrorPrototype(&uriErrorPrototype, publicPrototype,
                      uriErrorCtor, QLatin1String("URIError"));
}
Ejemplo n.º 30
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 void Boolean::newBoolean(QScriptValueImpl *result, bool value)
   {
     engine()->newObject(result, publicPrototype, classInfo());
   }