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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "qmljs_global.h"
#include "qmljsdocument.h"
#include "qmljscontext.h"
#include <QList>
#include <QSharedPointer>
namespace QmlJS {
class ObjectValue;
class TypeScope;
class JSImportScope;
class Context;
class Value;
class QMLJS_EXPORT QmlComponentChain
{
Q_DISABLE_COPY(QmlComponentChain)
public:
QmlComponentChain(const Document::Ptr &document);
~QmlComponentChain();
Document::Ptr document() const;
QList<const QmlComponentChain *> instantiatingComponents() const;
const ObjectValue *idScope() const;
const ObjectValue *rootObjectScope() const;
// takes ownership
void addInstantiatingComponent(const QmlComponentChain *component);
private:
QList<const QmlComponentChain *> m_instantiatingComponents;
Document::Ptr m_document;
};
// scope chains are copyable
// constructing a new scope chain is currently too expensive:
// building the instantiating component chain needs to be sped up
class QMLJS_EXPORT ScopeChain
{
public:
explicit ScopeChain(const Document::Ptr &document, const ContextPtr &context);
Document::Ptr document() const;
const ContextPtr &context() const;
const Value *lookup(const QString &name, const ObjectValue **foundInScope = nullptr) const;
const Value *evaluate(AST::Node *node) const;
const ObjectValue *globalScope() const;
void setGlobalScope(const ObjectValue *globalScope);
const ObjectValue *cppContextProperties() const;
void setCppContextProperties(const ObjectValue *cppContextProperties);
QSharedPointer<const QmlComponentChain> qmlComponentChain() const;
void setQmlComponentChain(const QSharedPointer<const QmlComponentChain> &qmlComponentChain);
QList<const ObjectValue *> qmlScopeObjects() const;
void setQmlScopeObjects(const QList<const ObjectValue *> &qmlScopeObjects);
const TypeScope *qmlTypes() const;
void setQmlTypes(const TypeScope *qmlTypes);
const JSImportScope *jsImports() const;
void setJsImports(const JSImportScope *jsImports);
QList<const ObjectValue *> jsScopes() const;
void setJsScopes(const QList<const ObjectValue *> &jsScopes);
void appendJsScope(const ObjectValue *scope);
QList<const ObjectValue *> all() const;
private:
void update() const;
void initializeRootScope();
void makeComponentChain(QmlComponentChain *target, const Snapshot &snapshot,
QHash<const Document *, QmlComponentChain *> *components);
Document::Ptr m_document;
ContextPtr m_context;
const ObjectValue *m_globalScope;
const ObjectValue *m_cppContextProperties;
QSharedPointer<const QmlComponentChain> m_qmlComponentScope;
QList<const ObjectValue *> m_qmlScopeObjects;
const TypeScope *m_qmlTypes;
const JSImportScope *m_jsImports;
QList<const ObjectValue *> m_jsScopes;
mutable bool m_modified;
mutable QList<const ObjectValue *> m_all;
};
} // namespace QmlJS
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