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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SCOPETREE_H
#define SCOPETREE_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 "metatypes.h"
#include "componentversion.h"
#include <QtQml/private/qqmljssourcelocation_p.h>
#include <QtCore/qset.h>
#include <QtCore/qhash.h>
#include <QtCore/qstring.h>
enum class ScopeType
{
JSFunctionScope,
JSLexicalScope,
QMLScope
};
struct MethodUsage
{
MetaMethod method;
QQmlJS::SourceLocation loc;
bool hasMultilineHandlerBody;
};
class ScopeTree
{
Q_DISABLE_COPY_MOVE(ScopeTree)
public:
using Ptr = QSharedPointer<ScopeTree>;
using WeakPtr = QWeakPointer<ScopeTree>;
using ConstPtr = QSharedPointer<const ScopeTree>;
using WeakConstPtr = QWeakPointer<const ScopeTree>;
enum class AccessSemantics {
Reference,
Value,
None
};
enum Flag {
Creatable = 0x1,
Composite = 0x2,
Singleton = 0x4
};
Q_DECLARE_FLAGS(Flags, Flag)
Q_FLAGS(Flags);
class Export {
public:
Export() = default;
Export(QString package, QString type, const ComponentVersion &version,
int metaObjectRevision);
bool isValid() const;
int metaObjectRevision() const { return m_metaObjectRevision; }
void setMetaObjectRevision(int metaObjectRevision)
{
m_metaObjectRevision = metaObjectRevision;
}
QString package() const { return m_package; }
QString type() const { return m_type; }
private:
QString m_package;
QString m_type;
ComponentVersion m_version;
int m_metaObjectRevision = 0;
};
static ScopeTree::Ptr create(ScopeType type = ScopeType::QMLScope,
const ScopeTree::Ptr &parentScope = ScopeTree::Ptr());
static ScopeTree::ConstPtr findCurrentQMLScope(const ScopeTree::ConstPtr &scope);
ScopeTree::Ptr parentScope() const { return m_parentScope.toStrongRef(); }
void insertJSIdentifier(const QString &id, ScopeType scope);
void insertSignalIdentifier(const QString &id, const MetaMethod &method,
const QQmlJS::SourceLocation &loc, bool hasMultilineHandlerBody);
// inserts property as qml identifier as well as the corresponding
void insertPropertyIdentifier(const MetaProperty &prop);
void addUnmatchedSignalHandler(const QString &handler,
const QQmlJS::SourceLocation &location);
bool isIdInCurrentScope(const QString &id) const;
void addIdToAccessed(const QString &id, const QQmlJS::SourceLocation &location);
void accessMember(const QString &name, const QString &parentType,
const QQmlJS::SourceLocation &location);
bool isVisualRootScope() const;
ScopeType scopeType() const { return m_scopeType; }
void addMethods(const QMultiHash<QString, MetaMethod> &methods) { m_methods.unite(methods); }
void addMethod(const MetaMethod &method) { m_methods.insert(method.methodName(), method); }
QMultiHash<QString, MetaMethod> methods() const { return m_methods; }
void addEnum(const MetaEnum &fakeEnum) { m_enums.insert(fakeEnum.name(), fakeEnum); }
QHash<QString, MetaEnum> enums() const { return m_enums; }
QString fileName() const { return m_fileName; }
void setFileName(const QString &file) { m_fileName = file; }
// The name the type uses to refer to itself. Either C++ class name or base name of
// QML file. isComposite tells us if this is a C++ or a QML name.
QString internalName() const { return m_internalName; }
void setInternalName(const QString &internalName) { m_internalName = internalName; }
void addExport(const QString &name, const QString &package, const ComponentVersion &version);
void setExportMetaObjectRevision(int exportIndex, int metaObjectRevision);
QList<Export> exports() const { return m_exports; }
// If isComposite(), this is the QML/JS name of the prototype. Otherwise it's the
// relevant base class (in the hierarchy starting from QObject) of a C++ type.
void setBaseTypeName(const QString &baseTypeName) { m_baseTypeName = baseTypeName; }
QString baseTypeName() const { return m_baseTypeName; }
ScopeTree::ConstPtr baseType() const { return m_baseType; }
void addProperty(const MetaProperty &prop) { m_properties.insert(prop.propertyName(), prop); }
QHash<QString, MetaProperty> properties() const { return m_properties; }
QString defaultPropertyName() const { return m_defaultPropertyName; }
void setDefaultPropertyName(const QString &name) { m_defaultPropertyName = name; }
QString attachedTypeName() const { return m_attachedTypeName; }
void setAttachedTypeName(const QString &name) { m_attachedTypeName = name; }
bool isSingleton() const { return m_flags & Singleton; }
bool isCreatable() const { return m_flags & Creatable; }
bool isComposite() const { return m_flags & Composite; }
void setIsSingleton(bool v) { m_flags = v ? (m_flags | Singleton) : (m_flags & ~Singleton); }
void setIsCreatable(bool v) { m_flags = v ? (m_flags | Creatable) : (m_flags & ~Creatable); }
void setIsComposite(bool v) { m_flags = v ? (m_flags | Composite) : (m_flags & ~Composite); }
void setAccessSemantics(AccessSemantics semantics) { m_semantics = semantics; }
AccessSemantics accessSemantics() const { return m_semantics; }
struct FieldMember
{
QString m_name;
QString m_parentType;
QQmlJS::SourceLocation m_location;
};
QVector<QPair<QString, QQmlJS::SourceLocation>> unmatchedSignalHandlers() const
{
return m_unmatchedSignalHandlers;
}
QVector<QVector<FieldMember>> memberAccessChains() const
{
return m_memberAccessChains;
}
bool isIdInCurrentQMlScopes(const QString &id) const;
bool isIdInCurrentJSScopes(const QString &id) const;
bool isIdInjectedFromSignal(const QString &id) const;
QVector<ScopeTree::Ptr> childScopes() const
{
return m_childScopes;
}
QMultiHash<QString, MethodUsage> injectedSignalIdentifiers() const
{
return m_injectedSignalIdentifiers;
}
void resolveTypes(const QHash<QString, ScopeTree::Ptr> &contextualTypes);
private:
ScopeTree(ScopeType type, const ScopeTree::Ptr &parentScope = ScopeTree::Ptr());
QSet<QString> m_jsIdentifiers;
QMultiHash<QString, MethodUsage> m_injectedSignalIdentifiers;
QMultiHash<QString, MetaMethod> m_methods;
QHash<QString, MetaProperty> m_properties;
QHash<QString, MetaEnum> m_enums;
QVector<QVector<FieldMember>> m_memberAccessChains;
QVector<QPair<QString, QQmlJS::SourceLocation>> m_unmatchedSignalHandlers;
QVector<ScopeTree::Ptr> m_childScopes;
ScopeTree::WeakPtr m_parentScope;
QString m_fileName;
QString m_internalName;
QString m_baseTypeName;
ScopeTree::WeakPtr m_baseType;
ScopeType m_scopeType = ScopeType::QMLScope;
QList<Export> m_exports;
QString m_defaultPropertyName;
QString m_attachedTypeName;
Flags m_flags;
AccessSemantics m_semantics = AccessSemantics::Reference;
};
#endif // SCOPETREE_H
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