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Diffstat (limited to 'src/script/qscriptenginefwd_p.h')
| -rw-r--r-- | src/script/qscriptenginefwd_p.h | 560 |
1 files changed, 560 insertions, 0 deletions
diff --git a/src/script/qscriptenginefwd_p.h b/src/script/qscriptenginefwd_p.h new file mode 100644 index 0000000..855317c --- /dev/null +++ b/src/script/qscriptenginefwd_p.h @@ -0,0 +1,560 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSCRIPTENGINEFWD_P_H +#define QSCRIPTENGINEFWD_P_H + +#ifndef QT_NO_QOBJECT +#include "private/qobject_p.h" +#endif + +#ifndef QT_NO_SCRIPT + +#include <QtCore/qobjectdefs.h> + +#include <QtCore/QHash> +#include <QtCore/QList> +#include <QtCore/QRegExp> +#include <QtCore/QSet> +#include <QtCore/QStringList> +#include <QtCore/QTime> +#include <QtCore/QVector> + +#include "qscriptengine.h" +#include "qscriptrepository_p.h" +#include "qscriptgc_p.h" +#include "qscriptobjectfwd_p.h" +#include "qscriptclassinfo_p.h" +#include "qscriptstring_p.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. +// + +class QScriptClass; +class QScriptContext; + +namespace QScript { + +namespace AST { + class Node; +} // namespace AST + +namespace Ecma { + class Object; + class Number; + class Boolean; + class String; + class Math; + class Date; + class Function; + class Array; + class RegExp; + class Error; +} // namespace Ecma + +namespace Ext { + class Enumeration; + class Variant; +} // namespace Ext + +class ExtQObject; +class ExtQMetaObject; + +class Array; +class Lexer; +class Code; +class CompilationUnit; +class IdTable; +class MemoryPool; + +class IdTable +{ +public: + inline IdTable() + : id_constructor(0), id_false(0), id_null(0), + id_object(0), id_pointer(0), id_prototype(0), + id_arguments(0), id_this(0), id_toString(0), + id_true(0), id_undefined(0), id_valueOf(0), + id_length(0), id_callee(0), id___proto__(0), + id___qt_sender__(0) + {} + + QScriptNameIdImpl *id_constructor; + QScriptNameIdImpl *id_false; + QScriptNameIdImpl *id_null; + QScriptNameIdImpl *id_object; + QScriptNameIdImpl *id_pointer; + QScriptNameIdImpl *id_prototype; + QScriptNameIdImpl *id_arguments; + QScriptNameIdImpl *id_this; + QScriptNameIdImpl *id_toString; + QScriptNameIdImpl *id_true; + QScriptNameIdImpl *id_undefined; + QScriptNameIdImpl *id_valueOf; + QScriptNameIdImpl *id_length; + QScriptNameIdImpl *id_callee; + QScriptNameIdImpl *id___proto__; + QScriptNameIdImpl *id___qt_sender__; +}; + +} // namespace QScript + +#ifndef QT_NO_QOBJECT +class QScriptQObjectData; +class QScriptMetaObject; +#endif + +class QScriptCustomTypeInfo +{ +public: + QScriptCustomTypeInfo() : signature(0, '\0'), marshal(0), demarshal(0) + { prototype.invalidate(); } + + QByteArray signature; + QScriptEngine::MarshalFunction marshal; + QScriptEngine::DemarshalFunction demarshal; + QScriptValueImpl prototype; +}; + +class QScriptEnginePrivate +#ifndef QT_NO_QOBJECT + : public QObjectPrivate +#endif +{ + Q_DECLARE_PUBLIC(QScriptEngine) + + enum { + DefaultHashSize = 1021 + }; + +public: + QScriptEnginePrivate(); + virtual ~QScriptEnginePrivate(); + + void init(); + void initStringRepository(); + + static inline QScriptEnginePrivate *get(QScriptEngine *q); + static inline const QScriptEnginePrivate *get(const QScriptEngine *q); + static inline QScriptEngine *get(QScriptEnginePrivate *d); + + QScript::AST::Node *createAbstractSyntaxTree( + const QString &source, int lineNumber, + QString *errorMessage, int *errorLineNumber); + QScript::AST::Node *changeAbstractSyntaxTree(QScript::AST::Node *program); + + inline QScript::AST::Node *abstractSyntaxTree() const; + inline bool hasUncaughtException() const; + inline QScriptValueImpl uncaughtException() const; + QStringList uncaughtExceptionBacktrace() const; + void clearExceptions(); +#ifndef QT_NO_QOBJECT + void emitSignalHandlerException(); +#endif + + static bool canEvaluate(const QString &program); + static QScriptSyntaxCheckResult checkSyntax(const QString &program); + + inline QScriptContextPrivate *currentContext() const; + inline QScriptContextPrivate *pushContext(); + inline void popContext(); + + inline QScript::MemoryPool *nodePool(); + inline QScript::Lexer *lexer(); + inline QScriptObject *allocObject(); + + inline void maybeGC(); + + void maybeGC_helper(bool do_string_gc); + + inline bool blockGC(bool block); + + void gc(); + bool isCollecting() const; + void processMarkStack(int generation); + + inline void adjustBytesAllocated(int bytes); + + void markObject(const QScriptValueImpl &object, int generation); + void markFrame(QScriptContextPrivate *context, int generation); + + inline void markString(QScriptNameIdImpl *id, int generation); + + inline QScriptValueImpl createFunction(QScriptFunction *fun); + inline QScriptValueImpl newArray(const QScript::Array &value); + inline QScriptValueImpl newArray(uint length = 0); + + void evaluate(QScriptContextPrivate *context, const QString &contents, + int lineNumber, const QString &fileName = QString()); + + inline void setLexer(QScript::Lexer *lexer); + + inline void setNodePool(QScript::MemoryPool *pool); + + inline QScriptClassInfo *registerClass(const QString &pname, int type); + + inline QScriptClassInfo *registerClass(const QString &name); + + int registerCustomClassType(); + + inline QScriptValueImpl createFunction(QScriptInternalFunctionSignature fun, + int length, QScriptClassInfo *classInfo, + const QString &name = QString()); + + static inline QString toString(QScriptNameIdImpl *id); + inline QString memberName(const QScript::Member &member) const; + inline void newReference(QScriptValueImpl *object, int mode); + inline void newActivation(QScriptValueImpl *object); + inline void newFunction(QScriptValueImpl *object, QScriptFunction *function); + inline void newConstructor(QScriptValueImpl *ctor, QScriptFunction *function, + QScriptValueImpl &proto); + inline void newInteger(QScriptValueImpl *object, int i); + inline void newPointer(QScriptValueImpl *object, void *ptr); + inline void newNameId(QScriptValueImpl *object, const QString &s); + inline void newNameId(QScriptValueImpl *object, QScriptNameIdImpl *id); + inline void newString(QScriptValueImpl *object, const QString &s); + inline void newArguments(QScriptValueImpl *object, const QScriptValueImpl &activation, + uint length, const QScriptValueImpl &callee); + static inline QString convertToNativeString(const QScriptValueImpl &value); + static QString convertToNativeString_helper(const QScriptValueImpl &value); + static inline qsreal convertToNativeDouble(const QScriptValueImpl &value); + static qsreal convertToNativeDouble_helper(const QScriptValueImpl &value); + static inline bool convertToNativeBoolean(const QScriptValueImpl &value); + static bool convertToNativeBoolean_helper(const QScriptValueImpl &value); + static inline qint32 convertToNativeInt32(const QScriptValueImpl &value); + static inline QScriptFunction *convertToNativeFunction(const QScriptValueImpl &value); + + inline QScriptValue toPublic(const QScriptValueImpl &value); + inline QScriptValueImpl toImpl(const QScriptValue &value); + QScriptValueImpl toImpl_helper(const QScriptValue &value); + inline QScriptValueImplList toImplList(const QScriptValueList &lst); + + inline const QScript::IdTable *idTable() const; + + inline QScriptValueImpl toObject(const QScriptValueImpl &value); + QScriptValueImpl toObject_helper(const QScriptValueImpl &value); + + inline QScriptValueImpl toPrimitive(const QScriptValueImpl &object, + QScriptValueImpl::TypeHint hint = QScriptValueImpl::NoTypeHint); + QScriptValueImpl toPrimitive_helper(const QScriptValueImpl &object, + QScriptValueImpl::TypeHint hint); + + static const qsreal D16; + static const qsreal D32; + + inline static qsreal toInteger(qsreal n); + inline static qint32 toInt32(qsreal m); + inline static quint32 toUint32(qsreal n); + inline static quint16 toUint16(qsreal n); + + inline QDateTime toDateTime(const QScriptValueImpl &value) const; + + inline void newArray(QScriptValueImpl *object, const QScript::Array &value); + + inline void newObject(QScriptValueImpl *o, const QScriptValueImpl &proto, + QScriptClassInfo *oc = 0); + inline void newObject(QScriptValueImpl *o, QScriptClassInfo *oc = 0); + QScriptValueImpl newObject(QScriptClass *scriptClass, const QScriptValueImpl &data); + + inline QScriptValueImpl newObject(); + + inline void newVariant(QScriptValueImpl *out, const QVariant &value, + bool setDefaultPrototype = true); + +#ifndef QT_NO_QOBJECT + void newQObject(QScriptValueImpl *out, QObject *object, + QScriptEngine::ValueOwnership ownership = QScriptEngine::QtOwnership, + const QScriptEngine::QObjectWrapOptions &options = 0, + bool setDefaultPrototype = true); + +# ifndef Q_SCRIPT_NO_QMETAOBJECT_CACHE + inline QScriptMetaObject *cachedMetaObject(const QMetaObject *meta); +# endif +#endif + + inline QScriptNameIdImpl *nameId(const QString &str, bool persistent = false); + + inline QScriptNameIdImpl *intern(const QChar *u, int s); + + QScriptString internedString(const QString &str); + QScriptString internedString(QScriptNameIdImpl *nid); + void uninternString(QScriptStringPrivate *d); + + inline QScriptValueImpl valueFromVariant(const QVariant &v); + + inline QScriptValueImpl undefinedValue(); + + inline QScriptValueImpl nullValue(); + + inline QScriptValueImpl defaultPrototype(int metaTypeId) const; + + inline void setDefaultPrototype(int metaTypeId, const QScriptValueImpl &prototype); + + QScriptValueImpl call(const QScriptValueImpl &callee, const QScriptValueImpl &thisObject, + const QScriptValueImplList &args, bool asConstructor); + QScriptValueImpl call(const QScriptValueImpl &callee, const QScriptValueImpl &thisObject, + const QScriptValueImpl &args, bool asConstructor); + + void rehashStringRepository(bool resize = true); + inline QScriptNameIdImpl *toStringEntry(const QString &s); + QScriptNameIdImpl *insertStringEntry(const QString &s); + + QScriptValueImpl create(int type, const void *ptr); + static bool convert(const QScriptValueImpl &value, int type, void *ptr, + QScriptEnginePrivate *eng); + QScriptEngine::DemarshalFunction demarshalFunction(int type) const; + + QScriptValueImpl arrayFromStringList(const QStringList &lst); + static QStringList stringListFromArray(const QScriptValueImpl &arr); + + QScriptValueImpl arrayFromVariantList(const QVariantList &lst); + static QVariantList variantListFromArray(const QScriptValueImpl &arr); + + QScriptValueImpl objectFromVariantMap(const QVariantMap &vmap); + static QVariantMap variantMapFromObject(const QScriptValueImpl &obj); + + static inline bool lessThan(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs); + static inline bool equals(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs); + static inline bool strictlyEquals(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs); + + QScriptValuePrivate *registerValue(const QScriptValueImpl &value); + inline void unregisterValue(QScriptValuePrivate *p); + + inline QScriptValueImpl globalObject() const; + + QScriptValueImpl objectById(qint64 id) const; + + QScriptValueImpl importExtension(const QString &extension); + QStringList availableExtensions() const; + QStringList importedExtensions() const; + + inline void maybeProcessEvents(); + void setupProcessEvents(); + void processEvents(); + +#ifndef QT_NO_QOBJECT + QScriptQObjectData *qobjectData(QObject *object); + + bool scriptConnect(QObject *sender, const char *signal, + const QScriptValueImpl &receiver, + const QScriptValueImpl &function); + bool scriptDisconnect(QObject *sender, const char *signal, + const QScriptValueImpl &receiver, + const QScriptValueImpl &function); + + bool scriptConnect(QObject *sender, int index, + const QScriptValueImpl &receiver, + const QScriptValueImpl &function, + const QScriptValueImpl &senderWrapper = QScriptValueImpl()); + bool scriptDisconnect(QObject *sender, int index, + const QScriptValueImpl &receiver, + const QScriptValueImpl &function); + + bool scriptConnect(const QScriptValueImpl &signal, + const QScriptValueImpl &receiver, + const QScriptValueImpl &function); + bool scriptDisconnect(const QScriptValueImpl &signal, + const QScriptValueImpl &receiver, + const QScriptValueImpl &function); + + void _q_objectDestroyed(QObject *object); + + void disposeQObject(QObject *object); + void deletePendingQObjects(); + + static bool convertToNativeQObject(const QScriptValueImpl &value, + const QByteArray &targetType, + void **result); +#endif + + void abortEvaluation(const QScriptValueImpl &result); + inline bool shouldAbort() const; + inline void resetAbortFlag(); + + void setAgent(QScriptEngineAgent *agent); + QScriptEngineAgent *agent() const; + + void agentDeleted(QScriptEngineAgent *agent); + + void installTranslatorFunctions(QScriptValueImpl &object); + +#ifndef Q_SCRIPT_NO_EVENT_NOTIFY + qint64 nextScriptId(); + inline bool shouldNotify() const; + inline void notifyScriptLoad(qint64 id, const QString &program, + const QString &fileName, int lineNumber); + void notifyScriptLoad_helper(qint64 id, const QString &program, + const QString &fileName, int lineNumber); + inline void notifyScriptUnload(qint64 id); + void notifyScriptUnload_helper(qint64 id); + inline void notifyPositionChange(QScriptContextPrivate *ctx); + void notifyPositionChange_helper(QScriptContextPrivate *ctx); + inline void notifyContextPush(); + void notifyContextPush_helper(); + inline void notifyContextPop(); + void notifyContextPop_helper(); + inline void notifyFunctionEntry(QScriptContextPrivate *ctx); + void notifyFunctionEntry_helper(QScriptContextPrivate *ctx); + inline void notifyFunctionExit(QScriptContextPrivate *ctx); + void notifyFunctionExit_helper(QScriptContextPrivate *ctx); + inline void notifyException(QScriptContextPrivate *ctx); + void notifyException_helper(QScriptContextPrivate *ctx); + inline void notifyExceptionCatch(QScriptContextPrivate *ctx); + void notifyExceptionCatch_helper(QScriptContextPrivate *ctx); + void notifyDebugger(QScriptContextPrivate *ctx); +#endif // Q_SCRIPT_NO_EVENT_NOTIFY + +public: // attributes + bool m_evaluating; + bool m_abort; + int m_callDepth; + int m_maxCallDepth; + int m_gc_depth; + QList<QScriptValueImpl> m_markStack; + QScriptValueImpl m_globalObject; + int m_oldStringRepositorySize; + int m_oldTempStringRepositorySize; + QVector<QScriptNameIdImpl*> m_stringRepository; + int m_newAllocatedStringRepositoryChars; + QVector<QScriptNameIdImpl*> m_tempStringRepository; + int m_newAllocatedTempStringRepositoryChars; + QScriptNameIdImpl **m_string_hash_base; + int m_string_hash_size; + QScript::GCAlloc<QScriptObject> objectAllocator; + int m_objectGeneration; + QScript::Repository<QScriptContext, QScriptContextPrivate> m_frameRepository; + QScriptContextPrivate *m_context; + QScriptValueImpl *tempStackBegin; + QScriptValueImpl *tempStackEnd; + QScript::AST::Node *m_abstractSyntaxTree; + QScript::Lexer *m_lexer; + QScript::MemoryPool *m_pool; + QStringList m_exceptionBacktrace; + qint64 m_scriptCounter; + + QScriptValueImpl m_undefinedValue; + QScriptValueImpl m_nullValue; + + QScript::Ecma::Object *objectConstructor; + QScript::Ecma::Number *numberConstructor; + QScript::Ecma::Boolean *booleanConstructor; + QScript::Ecma::String *stringConstructor; + QScript::Ecma::Date *dateConstructor; + QScript::Ecma::Function *functionConstructor; + QScript::Ecma::Array *arrayConstructor; + QScript::Ecma::RegExp *regexpConstructor; + QScript::Ecma::Error *errorConstructor; + QScript::Ext::Enumeration *enumerationConstructor; + QScript::Ext::Variant *variantConstructor; + QScript::ExtQObject *qobjectConstructor; + QScript::ExtQMetaObject *qmetaObjectConstructor; + + QHash<int, QScriptCustomTypeInfo> m_customTypes; + + QScriptFunction *m_evalFunction; + + QList<QScriptClassInfo*> m_allocated_classes; + QScriptClassInfo *m_class_object; + QScriptClassInfo *m_class_function; + QScriptClassInfo *m_class_with; + QScriptClassInfo *m_class_arguments; + QScriptClassInfo *m_class_activation; + + int m_class_prev_id; + qint64 m_next_object_id; + + QScript::Repository<QScriptValuePrivate, QScriptValuePrivate> m_handleRepository; + QHash<QScriptObject*, QScriptValuePrivate*> m_objectHandles; + QHash<QScriptNameIdImpl*, QScriptValuePrivate*> m_stringHandles; + QVector<QScriptValuePrivate*> m_otherHandles; + + QScript::Repository<QScriptStringPrivate, + QScriptStringPrivate> m_internedStringRepository; + QHash<QScriptNameIdImpl*, QScriptStringPrivate*> m_internedStrings; + + QSet<QScriptObject*> visitedArrayElements; + +#ifndef QT_NO_REGEXP + QHash<QString, QRegExp> m_regExpLiterals; +#endif + + QScript::IdTable m_id_table; + + QSet<QString> m_importedExtensions; + QSet<QString> m_extensionsBeingImported; + + int m_processEventsInterval; + int m_nextProcessEvents; + int m_processEventIncr; + QTime m_processEventTracker; + + QList<QScriptEngineAgent*> m_agents; + QScriptEngineAgent *m_agent; + +#ifndef QT_NO_QOBJECT + QList<QObject*> m_qobjectsToBeDeleted; + QHash<QObject*, QScriptQObjectData*> m_qobjectData; + +# ifndef Q_SCRIPT_NO_QMETAOBJECT_CACHE + QHash<const QMetaObject*, QScriptMetaObject*> m_cachedMetaObjects; +# endif +#endif + +#ifdef QT_NO_QOBJECT + QScriptEngine *q_ptr; +#endif +}; + +QT_END_NAMESPACE + +#endif // QT_NO_SCRIPT + +#endif |