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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef QQMLJSREGISTERCONTENT_P_H
#define QQMLJSREGISTERCONTENT_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 "qqmljsscope_p.h"
#include <QtCore/qhash.h>
#include <QtCore/qstring.h>
#include <variant>
QT_BEGIN_NAMESPACE
class Q_QMLCOMPILER_PRIVATE_EXPORT QQmlJSRegisterContent
{
public:
enum ContentVariant {
ObjectById,
Singleton,
Script,
MetaType,
JavaScriptGlobal,
JavaScriptObject,
JavaScriptScopeProperty,
JavaScriptObjectProperty,
ScopeProperty,
ScopeMethod,
ScopeAttached,
ScopeModulePrefix,
ExtensionScopeProperty,
ExtensionScopeMethod,
ObjectProperty,
ObjectMethod,
ObjectEnum,
ObjectAttached,
ObjectModulePrefix,
ExtensionObjectProperty,
ExtensionObjectMethod,
ExtensionObjectEnum,
MethodReturnValue,
JavaScriptReturnValue,
ListValue,
Builtin,
Unknown,
};
QQmlJSRegisterContent() = default;
bool isValid() const { return !m_storedType.isNull(); }
QString descriptiveName() const;
friend bool operator==(const QQmlJSRegisterContent &a, const QQmlJSRegisterContent &b)
{
return a.m_storedType == b.m_storedType && a.m_variant == b.m_variant
&& a.m_scope == b.m_scope && a.m_content == b.m_content;
}
friend bool operator!=(const QQmlJSRegisterContent &a, const QQmlJSRegisterContent &b)
{
return !(a == b);
}
bool isType() const { return m_content.index() == Type; }
bool isProperty() const { return m_content.index() == Property; }
bool isEnumeration() const { return m_content.index() == Enum; }
bool isMethod() const { return m_content.index() == Method; }
bool isImportNamespace() const { return m_content.index() == ImportNamespace; }
bool isConversion() const { return m_content.index() == Conversion; }
bool isList() const;
bool isWritable() const;
QQmlJSScope::ConstPtr storedType() const { return m_storedType; }
QQmlJSScope::ConstPtr scopeType() const { return m_scope; }
QQmlJSScope::ConstPtr type() const { return std::get<QQmlJSScope::ConstPtr>(m_content); }
QQmlJSMetaProperty property() const { return std::get<QQmlJSMetaProperty>(m_content); }
QQmlJSMetaEnum enumeration() const
{
return std::get<std::pair<QQmlJSMetaEnum, QString>>(m_content).first;
}
QString enumMember() const
{
return std::get<std::pair<QQmlJSMetaEnum, QString>>(m_content).second;
}
QList<QQmlJSMetaMethod> method() const { return std::get<QList<QQmlJSMetaMethod>>(m_content); }
uint importNamespace() const { return std::get<uint>(m_content); }
QQmlJSScope::ConstPtr conversionResult() const
{
return std::get<ConvertedTypes>(m_content).result;
}
QList<QQmlJSScope::ConstPtr> conversionOrigins() const
{
return std::get<ConvertedTypes>(m_content).origins;
}
ContentVariant variant() const { return m_variant; }
friend size_t qHash(const QQmlJSRegisterContent ®isterContent, size_t seed = 0)
{
seed = qHashMulti(seed, registerContent.m_storedType, registerContent.m_content.index(),
registerContent.m_scope, registerContent.m_variant);
switch (registerContent.m_content.index()) {
case Type:
return qHash(std::get<QQmlJSScope::ConstPtr>(registerContent.m_content), seed);
case Property:
return qHash(std::get<QQmlJSMetaProperty>(registerContent.m_content), seed);
case Enum:
return qHash(std::get<std::pair<QQmlJSMetaEnum, QString>>(registerContent.m_content),
seed);
case Method:
return qHash(std::get<QList<QQmlJSMetaMethod>>(registerContent.m_content), seed);
case ImportNamespace:
return qHash(std::get<uint>(registerContent.m_content), seed);
case Conversion:
return qHash(std::get<ConvertedTypes>(registerContent.m_content), seed);
}
Q_UNREACHABLE_RETURN(seed);
}
static QQmlJSRegisterContent create(const QQmlJSScope::ConstPtr &storedType,
const QQmlJSScope::ConstPtr &type, ContentVariant variant,
const QQmlJSScope::ConstPtr &scope = {});
static QQmlJSRegisterContent create(const QQmlJSScope::ConstPtr &storedType,
const QQmlJSMetaProperty &property, ContentVariant variant,
const QQmlJSScope::ConstPtr &scope);
static QQmlJSRegisterContent create(const QQmlJSScope::ConstPtr &storedType,
const QQmlJSMetaEnum &enumeration,
const QString &enumMember, ContentVariant variant,
const QQmlJSScope::ConstPtr &scope);
static QQmlJSRegisterContent create(const QQmlJSScope::ConstPtr &storedType,
const QList<QQmlJSMetaMethod> &methods,
ContentVariant variant,
const QQmlJSScope::ConstPtr &scope);
static QQmlJSRegisterContent create(const QQmlJSScope::ConstPtr &storedType,
uint importNamespaceStringId, ContentVariant variant,
const QQmlJSScope::ConstPtr &scope = {});
static QQmlJSRegisterContent create(const QQmlJSScope::ConstPtr &storedType,
const QList<QQmlJSScope::ConstPtr> origins,
const QQmlJSScope::ConstPtr &conversion,
ContentVariant variant,
const QQmlJSScope::ConstPtr &scope = {});
QQmlJSRegisterContent storedIn(const QQmlJSScope::ConstPtr &newStoredType) const
{
QQmlJSRegisterContent result = *this;
result.m_storedType = newStoredType;
return result;
}
private:
enum ContentKind { Type, Property, Enum, Method, ImportNamespace, Conversion };
struct ConvertedTypes
{
QList<QQmlJSScope::ConstPtr> origins;
QQmlJSScope::ConstPtr result;
friend size_t qHash(const ConvertedTypes &types, size_t seed = 0)
{
return qHashMulti(seed, types.origins, types.result);
}
friend bool operator==(const ConvertedTypes &a, const ConvertedTypes &b)
{
return a.origins == b.origins && a.result == b.result;
}
friend bool operator!=(const ConvertedTypes &a, const ConvertedTypes &b)
{
return !(a == b);
}
};
using Content = std::variant<
QQmlJSScope::ConstPtr,
QQmlJSMetaProperty,
std::pair<QQmlJSMetaEnum, QString>,
QList<QQmlJSMetaMethod>,
uint,
ConvertedTypes
>;
QQmlJSRegisterContent(const QQmlJSScope::ConstPtr &storedType,
const QQmlJSScope::ConstPtr &scope, ContentVariant variant)
: m_storedType(storedType), m_scope(scope), m_variant(variant)
{
}
QQmlJSScope::ConstPtr m_storedType;
QQmlJSScope::ConstPtr m_scope;
Content m_content;
ContentVariant m_variant = Unknown;
// TODO: Constant string/number/bool/enumval
};
QT_END_NAMESPACE
#endif // REGISTERCONTENT_H
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