diff options
Diffstat (limited to 'src/script/qscriptengine_p.h')
| -rw-r--r-- | src/script/qscriptengine_p.h | 828 |
1 files changed, 0 insertions, 828 deletions
diff --git a/src/script/qscriptengine_p.h b/src/script/qscriptengine_p.h deleted file mode 100644 index f3fb57f..0000000 --- a/src/script/qscriptengine_p.h +++ /dev/null @@ -1,828 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtScript module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://qt.nokia.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QSCRIPTENGINE_P_H -#define QSCRIPTENGINE_P_H - -#include "qscriptenginefwd_p.h" - -#ifndef QT_NO_SCRIPT - -#include <QtCore/QDateTime> -#include <QtCore/QMutex> -#include <QtCore/QLinkedList> -#include <QtCore/QString> -#include <QtCore/QVector> -#include <QtCore/QHash> -#include <QtCore/qnumeric.h> - -#include "qscriptengine.h" -#include "qscriptnameid_p.h" -#include "qscriptobjectfwd_p.h" -#include "qscriptrepository_p.h" -#include "qscriptgc_p.h" -#include "qscriptecmaarray_p.h" -#include "qscriptecmadate_p.h" -#include "qscriptecmaobject_p.h" -#include "qscriptecmaboolean_p.h" -#include "qscriptecmanumber_p.h" -#include "qscriptecmastring_p.h" -#include "qscriptecmafunction_p.h" -#include "qscriptextvariant_p.h" -#include "qscriptextqobject_p.h" -#include "qscriptvalue_p.h" -#include "qscriptcontextfwd_p.h" - -#include <math.h> - -QT_BEGIN_NAMESPACE - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -namespace QScript { - -class ArgumentsObjectData: public QScriptObjectData -{ -public: - ArgumentsObjectData() : length(0) {} - virtual ~ArgumentsObjectData() {} - -public: // attributes - QScriptValueImpl activation; - uint length; -}; - -} // namespace QScript - -inline QScriptEnginePrivate *QScriptEnginePrivate::get(QScriptEngine *q) -{ - if (q) - return q->d_func(); - return 0; -} - -inline const QScriptEnginePrivate *QScriptEnginePrivate::get(const QScriptEngine *q) -{ - if (q) - return q->d_func(); - return 0; -} - -inline QScriptEngine *QScriptEnginePrivate::get(QScriptEnginePrivate *d) -{ - return d->q_func(); -} - -inline QString QScriptEnginePrivate::toString(QScriptNameIdImpl *id) -{ - if (! id) - return QString(); - - return id->s; -} - -inline QString QScriptEnginePrivate::memberName(const QScript::Member &member) const -{ - return toString(member.nameId()); -} - -inline void QScriptEnginePrivate::newReference(QScriptValueImpl *o, int mode) -{ - Q_ASSERT(o); - o->m_type = QScript::ReferenceType; - o->m_int_value = (mode); -} - -inline void QScriptEnginePrivate::newActivation(QScriptValueImpl *o) -{ - Q_ASSERT(o); - newObject(o, nullValue(), m_class_activation); -} - -inline void QScriptEnginePrivate::newPointer(QScriptValueImpl *o, void *ptr) -{ - Q_ASSERT(o); - o->m_type = QScript::PointerType; - o->m_ptr_value = ptr; -} - -inline void QScriptEnginePrivate::newInteger(QScriptValueImpl *o, int i) -{ - Q_ASSERT(o); - o->m_type = QScript::IntegerType; - o->m_int_value = (i); -} - -inline void QScriptEnginePrivate::newNameId(QScriptValueImpl *o, const QString &s) -{ - Q_ASSERT(o); - o->m_type = QScript::StringType; - o->m_string_value = (nameId(s, /*persistent=*/false)); -} - -inline void QScriptEnginePrivate::newString(QScriptValueImpl *o, const QString &s) -{ - Q_ASSERT(o); - o->m_type = QScript::StringType; - QScriptNameIdImpl *entry = new QScriptNameIdImpl(s); - m_tempStringRepository.append(entry); - o->m_string_value = (entry); - m_newAllocatedTempStringRepositoryChars += s.length(); -} - -inline void QScriptEnginePrivate::newNameId(QScriptValueImpl *o, QScriptNameIdImpl *id) -{ - Q_ASSERT(o); - o->m_type = QScript::StringType; - o->m_string_value = (id); -} - -inline const QScript::IdTable *QScriptEnginePrivate::idTable() const -{ - return &m_id_table; -} - -inline qsreal QScriptEnginePrivate::convertToNativeDouble(const QScriptValueImpl &value) -{ - Q_ASSERT (value.isValid()); - - if (value.isNumber()) - return value.m_number_value; - - return convertToNativeDouble_helper(value); -} - -inline qint32 QScriptEnginePrivate::convertToNativeInt32(const QScriptValueImpl &value) -{ - Q_ASSERT (value.isValid()); - - return toInt32 (convertToNativeDouble(value)); -} - - -inline bool QScriptEnginePrivate::convertToNativeBoolean(const QScriptValueImpl &value) -{ - Q_ASSERT (value.isValid()); - - if (value.isBoolean()) - return value.m_bool_value; - - return convertToNativeBoolean_helper(value); -} - -inline QString QScriptEnginePrivate::convertToNativeString(const QScriptValueImpl &value) -{ - Q_ASSERT (value.isValid()); - - if (value.isString()) - return value.m_string_value->s; - - return convertToNativeString_helper(value); -} - -inline qsreal QScriptEnginePrivate::toInteger(qsreal n) -{ - if (qIsNaN(n)) - return 0; - - if (n == 0 || qIsInf(n)) - return n; - - int sign = n < 0 ? -1 : 1; - return sign * ::floor(::fabs(n)); -} - -inline qint32 QScriptEnginePrivate::toInt32(qsreal n) -{ - if (qIsNaN(n) || qIsInf(n) || (n == 0)) - return 0; - - double sign = (n < 0) ? -1.0 : 1.0; - qsreal abs_n = fabs(n); - - n = ::fmod(sign * ::floor(abs_n), D32); - const double D31 = D32 / 2.0; - - if (sign == -1 && n < -D31) - n += D32; - - else if (sign != -1 && n >= D31) - n -= D32; - - return qint32 (n); -} - -inline quint32 QScriptEnginePrivate::toUint32(qsreal n) -{ - if (qIsNaN(n) || qIsInf(n) || (n == 0)) - return 0; - - double sign = (n < 0) ? -1.0 : 1.0; - qsreal abs_n = fabs(n); - - n = ::fmod(sign * ::floor(abs_n), D32); - - if (n < 0) - n += D32; - - return quint32 (n); -} - -inline quint16 QScriptEnginePrivate::toUint16(qsreal n) -{ - if (qIsNaN(n) || qIsInf(n) || (n == 0)) - return 0; - - double sign = (n < 0) ? -1.0 : 1.0; - qsreal abs_n = fabs(n); - - n = ::fmod(sign * ::floor(abs_n), D16); - - if (n < 0) - n += D16; - - return quint16 (n); -} - -inline QScript::AST::Node *QScriptEnginePrivate::abstractSyntaxTree() const -{ - return m_abstractSyntaxTree; -} - -inline QScript::MemoryPool *QScriptEnginePrivate::nodePool() -{ - return m_pool; -} - -inline void QScriptEnginePrivate::setNodePool(QScript::MemoryPool *pool) -{ - m_pool = pool; -} - -inline QScript::Lexer *QScriptEnginePrivate::lexer() -{ - return m_lexer; -} - -inline void QScriptEnginePrivate::setLexer(QScript::Lexer *lexer) -{ - m_lexer = lexer; -} - -inline QScriptObject *QScriptEnginePrivate::allocObject() -{ - return objectAllocator(m_objectGeneration); -} - -inline QScriptContextPrivate *QScriptEnginePrivate::currentContext() const -{ - return m_context; -} - -inline QScriptContextPrivate *QScriptEnginePrivate::pushContext() -{ - QScriptContext *context = m_frameRepository.get(); - QScriptContextPrivate *ctx_p = QScriptContextPrivate::get(context); - ctx_p->init(m_context); - m_context = ctx_p; -#ifndef Q_SCRIPT_NO_EVENT_NOTIFY - notifyContextPush(); -#endif - return m_context; -} - -inline void QScriptEnginePrivate::popContext() -{ - Q_ASSERT(m_context != 0); -#ifndef Q_SCRIPT_NO_EVENT_NOTIFY - notifyContextPop(); -#endif - QScriptContextPrivate *context = m_context; - m_context = context->parentContext(); - if (m_context) { - QScriptContextPrivate *p1 = m_context; - QScriptContextPrivate *p2 = context; - if ((p1->m_state != QScriptContext::ExceptionState) - || (p2->m_state == QScriptContext::ExceptionState)) { - // propagate the state - p1->m_result = p2->m_result; - p1->m_state = p2->m_state; - // only update errorLineNumber if there actually was an exception - if (p2->m_state == QScriptContext::ExceptionState) { - if (p2->errorLineNumber != -1) - p1->errorLineNumber = p2->errorLineNumber; - else - p1->errorLineNumber = p1->currentLine; - } - } - } - m_frameRepository.release(QScriptContextPrivate::get(context)); -} - -inline void QScriptEnginePrivate::maybeGC() -{ - if (objectAllocator.blocked()) - return; - - bool do_string_gc = ((m_stringRepository.size() - m_oldStringRepositorySize) > 256) - || (m_newAllocatedStringRepositoryChars > 0x800000); - do_string_gc |= ((m_tempStringRepository.size() - m_oldTempStringRepositorySize) > 1024) - || (m_newAllocatedTempStringRepositoryChars > 0x800000); - - if (! do_string_gc && ! objectAllocator.poll()) - return; - - maybeGC_helper(do_string_gc); -} - -inline void QScriptEnginePrivate::adjustBytesAllocated(int bytes) -{ - objectAllocator.adjustBytesAllocated(bytes); -} - -inline bool QScriptEnginePrivate::blockGC(bool block) -{ - return objectAllocator.blockGC(block); -} - -inline void QScriptEnginePrivate::markString(QScriptNameIdImpl *id, int /*generation*/) -{ - id->used = true; -} - -inline QScriptValueImpl QScriptEnginePrivate::createFunction(QScriptFunction *fun) -{ - QScriptValueImpl v; - newFunction(&v, fun); - return v; -} - -inline QScriptValueImpl QScriptEnginePrivate::newArray(const QScript::Array &value) -{ - QScriptValueImpl v; - newArray(&v, value); - return v; -} - -inline QScriptValueImpl QScriptEnginePrivate::newArray(uint length) -{ - QScriptValueImpl v; - QScript::Array a(this); - a.resize(length); - newArray(&v, a); - return v; -} - -inline QScriptClassInfo *QScriptEnginePrivate::registerClass(const QString &pname, int type) -{ - if (type == -1) - type = ++m_class_prev_id; - - QScriptClassInfo *oc = new QScriptClassInfo(this, QScriptClassInfo::Type(type), pname); - m_allocated_classes.append(oc); - - return oc; -} - -inline QScriptClassInfo *QScriptEnginePrivate::registerClass(const QString &name) -{ - return registerClass(name, -1); -} - -inline QScriptValueImpl QScriptEnginePrivate::createFunction(QScriptInternalFunctionSignature fun, - int length, QScriptClassInfo *classInfo, const QString &name) -{ - return createFunction(new QScript::C2Function(fun, length, classInfo, name)); -} - -inline void QScriptEnginePrivate::newFunction(QScriptValueImpl *o, QScriptFunction *function) -{ - QScriptValueImpl proto; - if (functionConstructor) - proto = functionConstructor->publicPrototype; - else { - // creating the Function prototype object - Q_ASSERT(objectConstructor); - proto = objectConstructor->publicPrototype; - } - newObject(o, proto, m_class_function); - o->setObjectData(function); -} - -inline void QScriptEnginePrivate::newConstructor(QScriptValueImpl *ctor, - QScriptFunction *function, - QScriptValueImpl &proto) -{ - newFunction(ctor, function); - ctor->setProperty(m_id_table.id_prototype, proto, - QScriptValue::Undeletable - | QScriptValue::ReadOnly - | QScriptValue::SkipInEnumeration); - proto.setProperty(m_id_table.id_constructor, *ctor, - QScriptValue::Undeletable - | QScriptValue::SkipInEnumeration); -} - -inline void QScriptEnginePrivate::newArguments(QScriptValueImpl *object, - const QScriptValueImpl &activation, - uint length, - const QScriptValueImpl &callee) -{ - QScript::ArgumentsObjectData *data = new QScript::ArgumentsObjectData(); - data->activation = activation; - data->length = length; - newObject(object, m_class_arguments); - object->setObjectData(data); - object->setProperty(m_id_table.id_callee, callee, - QScriptValue::SkipInEnumeration); - object->setProperty(m_id_table.id_length, QScriptValueImpl(length), - QScriptValue::SkipInEnumeration); -} - -inline QScriptFunction *QScriptEnginePrivate::convertToNativeFunction(const QScriptValueImpl &object) -{ - if (object.isFunction()) - return static_cast<QScriptFunction*> (object.objectData()); - return 0; -} - -inline QScriptValue QScriptEnginePrivate::toPublic(const QScriptValueImpl &value) -{ - if (!value.isValid()) - return QScriptValue(); - - QScriptValuePrivate *p = registerValue(value); - QScriptValue v; - QScriptValuePrivate::init(v, p); - return v; -} - -inline QScriptValueImpl QScriptEnginePrivate::toImpl(const QScriptValue &value) -{ - QScriptValuePrivate *p = QScriptValuePrivate::get(value); - if (!p) - return QScriptValueImpl(); - if (p->value.type() == QScript::LazyStringType) - return toImpl_helper(value); - return p->value; -} - -inline QScriptValueImplList QScriptEnginePrivate::toImplList(const QScriptValueList &lst) -{ - QScriptValueImplList result; - QScriptValueList::const_iterator it; - for (it = lst.constBegin(); it != lst.constEnd(); ++it) - result.append(toImpl(*it)); - return result; -} - -inline QScriptValueImpl QScriptEnginePrivate::toObject(const QScriptValueImpl &value) -{ - if (value.isObject() || !value.isValid()) - return value; - return toObject_helper(value); -} - -inline QScriptValueImpl QScriptEnginePrivate::toPrimitive(const QScriptValueImpl &object, - QScriptValueImpl::TypeHint hint) -{ - Q_ASSERT(object.isValid()); - - if (! object.isObject()) - return object; - - return toPrimitive_helper(object, hint); -} - -inline QDateTime QScriptEnginePrivate::toDateTime(const QScriptValueImpl &value) const -{ - return dateConstructor->toDateTime(value); -} - -inline void QScriptEnginePrivate::newArray(QScriptValueImpl *object, const QScript::Array &value) -{ - arrayConstructor->newArray(object, value); -} - -inline void QScriptEnginePrivate::newObject(QScriptValueImpl *o, const QScriptValueImpl &proto, - QScriptClassInfo *oc) -{ - Q_ASSERT(o != 0); - - QScriptObject *od = allocObject(); - od->reset(); - od->m_id = ++m_next_object_id; - if (proto.isValid()) - od->m_prototype = proto; - else { - Q_ASSERT(objectConstructor); - od->m_prototype = objectConstructor->publicPrototype; - } - - o->m_type = QScript::ObjectType; - od->m_class = (oc ? oc : m_class_object); - o->m_object_value = od; -} - -inline void QScriptEnginePrivate::newObject(QScriptValueImpl *o, QScriptClassInfo *oc) -{ - newObject(o, objectConstructor->publicPrototype, oc); -} - -inline QScriptValueImpl QScriptEnginePrivate::newObject() -{ - QScriptValueImpl v; - newObject(&v); - return v; -} - -inline void QScriptEnginePrivate::newVariant(QScriptValueImpl *out, - const QVariant &value, - bool setDefaultPrototype) -{ - Q_ASSERT(variantConstructor != 0); - variantConstructor->newVariant(out, value); - if (setDefaultPrototype) { - QScriptValueImpl proto = defaultPrototype(value.userType()); - if (proto.isValid()) - out->setPrototype(proto); - } -} - -#ifndef QT_NO_QOBJECT -# ifndef Q_SCRIPT_NO_QMETAOBJECT_CACHE -inline QScriptMetaObject *QScriptEnginePrivate::cachedMetaObject(const QMetaObject *meta) -{ - QScriptMetaObject *value = m_cachedMetaObjects.value(meta); - if (!value) { - value = new QScriptMetaObject; - m_cachedMetaObjects.insert(meta, value); - } - return value; -} -# endif -#endif // !QT_NO_QOBJECT - -inline QScriptNameIdImpl *QScriptEnginePrivate::nameId(const QString &str, bool persistent) -{ - QScriptNameIdImpl *entry = toStringEntry(str); - if (! entry) - entry = insertStringEntry(str); - - Q_ASSERT(entry->unique); - - if (persistent) - entry->persistent = true; - - return entry; -} - -inline QScriptNameIdImpl *QScriptEnginePrivate::intern(const QChar *u, int s) -{ - QString tmp(u, s); - return nameId(tmp, /*persistent=*/ true); -} - -inline QScriptValueImpl QScriptEnginePrivate::valueFromVariant(const QVariant &v) -{ - QScriptValueImpl result = create(v.userType(), v.data()); - Q_ASSERT(result.isValid()); - return result; -} - -inline QScriptValueImpl QScriptEnginePrivate::undefinedValue() -{ - return m_undefinedValue; -} - -inline QScriptValueImpl QScriptEnginePrivate::nullValue() -{ - return m_nullValue; -} - -inline QScriptValueImpl QScriptEnginePrivate::defaultPrototype(int metaTypeId) const -{ - QScriptCustomTypeInfo info = m_customTypes.value(metaTypeId); - return info.prototype; -} - -inline void QScriptEnginePrivate::setDefaultPrototype(int metaTypeId, const QScriptValueImpl &prototype) -{ - QScriptCustomTypeInfo info = m_customTypes.value(metaTypeId); - info.prototype = prototype; - m_customTypes.insert(metaTypeId, info); -} - -inline uint _q_scriptHash(const QString &key) -{ - const QChar *p = key.unicode(); - int n = qMin(key.size(), 128); - uint h = key.size(); - uint g; - - while (n--) { - h = (h << 4) + (*p++).unicode(); - if ((g = (h & 0xf0000000)) != 0) - h ^= g >> 23; - h &= ~g; - } - return h; -} - -inline QScriptNameIdImpl *QScriptEnginePrivate::toStringEntry(const QString &s) -{ - uint h = _q_scriptHash(s) % m_string_hash_size; - - for (QScriptNameIdImpl *entry = m_string_hash_base[h]; entry && entry->h == h; entry = entry->next) { - if (entry->s == s) - return entry; - } - - return 0; -} - -inline bool QScriptEnginePrivate::lessThan(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs) -{ - return QScriptContextPrivate::lt_cmp(lhs, rhs); -} - -inline bool QScriptEnginePrivate::equals(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs) -{ - return QScriptContextPrivate::eq_cmp(lhs, rhs); -} - -inline bool QScriptEnginePrivate::strictlyEquals(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs) -{ - return QScriptContextPrivate::strict_eq_cmp(lhs, rhs); -} - -inline void QScriptEnginePrivate::unregisterValue(QScriptValuePrivate *p) -{ - QScriptValueImpl &v = p->value; - Q_ASSERT(v.isValid()); - if (v.isString()) { - QScriptNameIdImpl *id = v.stringValue(); - m_stringHandles.remove(id); - } else if (v.isObject()) { - QScriptObject *instance = v.objectValue(); - m_objectHandles.remove(instance); - } else { - int i = m_otherHandles.indexOf(p); - Q_ASSERT(i != -1); - m_otherHandles.remove(i); - } - m_handleRepository.release(p); -} - -inline QScriptValueImpl QScriptEnginePrivate::globalObject() const -{ - return m_globalObject; -} - -inline bool QScriptEnginePrivate::hasUncaughtException() const -{ - return (currentContext()->state() == QScriptContext::ExceptionState); -} - -inline QScriptValueImpl QScriptEnginePrivate::uncaughtException() const -{ - if (!hasUncaughtException()) - return QScriptValueImpl(); - return currentContext()->returnValue(); -} - -inline void QScriptEnginePrivate::maybeProcessEvents() -{ - if (m_processEventsInterval > 0 && ++m_processEventIncr > 512) { - m_processEventIncr = 0; - processEvents(); - } -} - -inline bool QScriptEnginePrivate::shouldAbort() const -{ - return m_abort; -} - -inline void QScriptEnginePrivate::resetAbortFlag() -{ - m_abort = false; -} - -#ifndef Q_SCRIPT_NO_EVENT_NOTIFY - -inline bool QScriptEnginePrivate::shouldNotify() const -{ - return m_agent != 0; -} - -inline void QScriptEnginePrivate::notifyScriptLoad( - qint64 id, const QString &program, - const QString &fileName, int lineNumber) -{ - if (shouldNotify()) - notifyScriptLoad_helper(id, program, fileName, lineNumber); -} - -inline void QScriptEnginePrivate::notifyScriptUnload(qint64 id) -{ - if (shouldNotify()) - notifyScriptUnload_helper(id); -} - -inline void QScriptEnginePrivate::notifyPositionChange(QScriptContextPrivate *ctx) -{ - Q_ASSERT(m_agent != 0); - notifyPositionChange_helper(ctx); -} - -inline void QScriptEnginePrivate::notifyContextPush() -{ - if (shouldNotify()) - notifyContextPush_helper(); -} - -inline void QScriptEnginePrivate::notifyContextPop() -{ - if (shouldNotify()) - notifyContextPop_helper(); -} - -inline void QScriptEnginePrivate::notifyFunctionEntry(QScriptContextPrivate *ctx) -{ - if (shouldNotify()) - notifyFunctionEntry_helper(ctx); -} - -inline void QScriptEnginePrivate::notifyFunctionExit(QScriptContextPrivate *ctx) -{ - if (shouldNotify()) - notifyFunctionExit_helper(ctx); -} - -inline void QScriptEnginePrivate::notifyException(QScriptContextPrivate *ctx) -{ - if (shouldNotify()) - notifyException_helper(ctx); -} - -inline void QScriptEnginePrivate::notifyExceptionCatch(QScriptContextPrivate *ctx) -{ - if (shouldNotify()) - notifyExceptionCatch_helper(ctx); -} - -#endif // Q_SCRIPT_NO_EVENT_NOTIFY - -QT_END_NAMESPACE - -#endif // QT_NO_SCRIPT - -#endif |