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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtDeclarative 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 QMLCOMPILER_P_H
#define QMLCOMPILER_P_H
//
// 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.
//
#include <QtCore/qbytearray.h>
#include <QtCore/qset.h>
#include <QtDeclarative/qml.h>
#include <QtDeclarative/qmlerror.h>
#include <private/qmlinstruction_p.h>
#include <private/qmlcompositetypemanager_p.h>
#include <private/qmlparser_p.h>
QT_BEGIN_NAMESPACE
class QmlEngine;
class QmlComponent;
class QmlCompiledComponent;
class QmlContext;
class QmlCompiledData
{
public:
QmlCompiledData();
QmlCompiledData(const QmlCompiledData &other);
QmlCompiledData &operator=(const QmlCompiledData &other);
virtual ~QmlCompiledData();
QByteArray name;
QUrl url;
struct TypeReference
{
TypeReference()
: type(0), component(0), ref(0) {}
QByteArray className;
QmlType *type;
QmlComponent *component;
QmlRefCount *ref;
QObject *createInstance(QmlContext *) const;
const QMetaObject *metaObject() const;
};
QList<TypeReference> types;
struct CustomTypeData
{
int index;
int type;
};
QAbstractDynamicMetaObject root;
QList<QString> primitives;
QList<float> floatData;
QList<int> intData;
QList<CustomTypeData> customTypeData;
QList<QByteArray> datas;
QList<QMetaObject *> synthesizedMetaObjects;
QList<QmlParser::Location> locations;
QList<QmlInstruction> bytecode;
private:
friend class QmlCompiler;
int indexForString(const QString &);
int indexForByteArray(const QByteArray &);
int indexForFloat(float *, int);
int indexForInt(int *, int);
int indexForLocation(const QmlParser::Location &);
int indexForLocation(const QmlParser::LocationSpan &);
};
class Q_DECLARATIVE_EXPORT QmlCompiler
{
public:
QmlCompiler();
bool compile(QmlEngine *, QmlCompositeTypeData *, QmlCompiledComponent *);
bool isError() const;
QList<QmlError> errors() const;
static bool isValidId(const QString &);
static bool isAttachedPropertyName(const QByteArray &);
static bool isSignalPropertyName(const QByteArray &);
private:
void reset(QmlCompiledComponent *, bool);
struct BindingContext {
BindingContext()
: stack(0), object(0) {}
BindingContext(QmlParser::Object *o)
: stack(0), object(o) {}
BindingContext incr() const {
BindingContext rv(object);
rv.stack = stack + 1;
return rv;
}
int stack;
QmlParser::Object *object;
};
void compileTree(QmlParser::Object *tree);
bool compileObject(QmlParser::Object *obj, const BindingContext &);
bool compileComponent(QmlParser::Object *obj, const BindingContext &);
bool compileComponentFromRoot(QmlParser::Object *obj, const BindingContext &);
bool compileFetchedObject(QmlParser::Object *obj, const BindingContext &);
bool compileSignal(QmlParser::Property *prop, QmlParser::Object *obj);
bool testProperty(QmlParser::Property *prop, QmlParser::Object *obj);
int signalByName(const QMetaObject *, const QByteArray &name);
bool compileProperty(QmlParser::Property *prop, QmlParser::Object *obj, const BindingContext &);
bool compileIdProperty(QmlParser::Property *prop,
QmlParser::Object *obj);
bool compileAttachedProperty(QmlParser::Property *prop,
const BindingContext &ctxt);
bool compileNestedProperty(QmlParser::Property *prop,
const BindingContext &ctxt);
bool compileListProperty(QmlParser::Property *prop,
QmlParser::Object *obj,
const BindingContext &ctxt);
bool compilePropertyAssignment(QmlParser::Property *prop,
QmlParser::Object *obj,
const BindingContext &ctxt);
bool compilePropertyObjectAssignment(QmlParser::Property *prop,
QmlParser::Value *value,
const BindingContext &ctxt);
bool compilePropertyLiteralAssignment(QmlParser::Property *prop,
QmlParser::Object *obj,
QmlParser::Value *value,
const BindingContext &ctxt);
bool compileStoreInstruction(QmlInstruction &instr,
const QMetaProperty &prop,
QmlParser::Value *value);
bool compileDynamicMeta(QmlParser::Object *obj);
bool compileBinding(QmlParser::Value *, QmlParser::Property *prop,
const BindingContext &ctxt);
void finalizeComponent(int patch);
struct BindingReference;
void finalizeBinding(const BindingReference &);
bool canConvert(int, QmlParser::Object *);
QStringList deferredProperties(QmlParser::Object *);
struct IdReference {
QString id;
QmlParser::Object *object;
int instructionIdx;
int idx;
};
struct BindingReference {
QmlParser::Variant expression;
QmlParser::Property *property;
QmlParser::Value *value;
int instructionIdx;
BindingContext bindingContext;
};
struct ComponentCompileState
{
ComponentCompileState() : parserStatusCount(0), savedObjects(0), pushedProperties(0), root(0) {}
QHash<QString, IdReference> ids;
int parserStatusCount;
int savedObjects;
int pushedProperties;
QList<BindingReference> bindings;
QmlParser::Object *root;
};
ComponentCompileState compileState;
QList<QmlError> exceptions;
QmlCompiledData *output;
};
QT_END_NAMESPACE
#endif // QMLCOMPILER_P_H
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