| 1 | // Copyright (C) 2020 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QV4RESOLVEDTYPEREFERNCE_P_H |
| 5 | #define QV4RESOLVEDTYPEREFERNCE_P_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtQml/private/qtqmlglobal_p.h> |
| 19 | #include <QtQml/private/qqmlrefcount_p.h> |
| 20 | #include <QtQml/private/qqmlpropertycache_p.h> |
| 21 | #include <QtQml/private/qqmltype_p.h> |
| 22 | #include <QtQml/private/qv4compileddata_p.h> |
| 23 | |
| 24 | QT_BEGIN_NAMESPACE |
| 25 | |
| 26 | class QCryptographicHash; |
| 27 | namespace QV4 { |
| 28 | |
| 29 | class ResolvedTypeReference |
| 30 | { |
| 31 | Q_DISABLE_COPY_MOVE(ResolvedTypeReference) |
| 32 | public: |
| 33 | ResolvedTypeReference() = default; |
| 34 | ~ResolvedTypeReference() |
| 35 | { |
| 36 | if (m_stronglyReferencesCompilationUnit && m_compilationUnit) |
| 37 | m_compilationUnit->release(); |
| 38 | } |
| 39 | |
| 40 | QQmlPropertyCache::ConstPtr propertyCache() const; |
| 41 | QQmlPropertyCache::ConstPtr createPropertyCache(); |
| 42 | bool addToHash(QCryptographicHash *hash, QHash<quintptr, QByteArray> *checksums); |
| 43 | |
| 44 | void doDynamicTypeCheck(); |
| 45 | |
| 46 | QQmlType type() const { return m_type; } |
| 47 | void setType(QQmlType type) { m_type = std::move(type); } |
| 48 | |
| 49 | QQmlRefPointer<QV4::CompiledData::CompilationUnit> compilationUnit() |
| 50 | { |
| 51 | return m_compilationUnit; |
| 52 | } |
| 53 | |
| 54 | void setCompilationUnit(QQmlRefPointer<QV4::CompiledData::CompilationUnit> unit) |
| 55 | { |
| 56 | if (m_compilationUnit == unit.data()) |
| 57 | return; |
| 58 | if (m_stronglyReferencesCompilationUnit) { |
| 59 | if (m_compilationUnit) |
| 60 | m_compilationUnit->release(); |
| 61 | m_compilationUnit = unit.take(); |
| 62 | } else { |
| 63 | m_compilationUnit = unit.data(); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | bool referencesCompilationUnit() const { return m_stronglyReferencesCompilationUnit; } |
| 68 | void setReferencesCompilationUnit(bool doReference) |
| 69 | { |
| 70 | if (doReference == m_stronglyReferencesCompilationUnit) |
| 71 | return; |
| 72 | m_stronglyReferencesCompilationUnit = doReference; |
| 73 | if (!m_compilationUnit) |
| 74 | return; |
| 75 | if (doReference) { |
| 76 | m_compilationUnit->addref(); |
| 77 | } else if (m_compilationUnit->count() == 1) { |
| 78 | m_compilationUnit->release(); |
| 79 | m_compilationUnit = nullptr; |
| 80 | } else { |
| 81 | m_compilationUnit->release(); |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | QQmlPropertyCache::ConstPtr typePropertyCache() const { return m_typePropertyCache; } |
| 86 | void setTypePropertyCache(QQmlPropertyCache::ConstPtr cache) |
| 87 | { |
| 88 | m_typePropertyCache = std::move(cache); |
| 89 | } |
| 90 | |
| 91 | QTypeRevision version() const { return m_version; } |
| 92 | void setVersion(QTypeRevision version) { m_version = version; } |
| 93 | |
| 94 | bool isFullyDynamicType() const { return m_isFullyDynamicType; } |
| 95 | void setFullyDynamicType(bool fullyDynamic) { m_isFullyDynamicType = fullyDynamic; } |
| 96 | |
| 97 | private: |
| 98 | QQmlType m_type; |
| 99 | QQmlPropertyCache::ConstPtr m_typePropertyCache; |
| 100 | QV4::CompiledData::CompilationUnit *m_compilationUnit = nullptr; |
| 101 | |
| 102 | QTypeRevision m_version = QTypeRevision::zero(); |
| 103 | // Types such as QQmlPropertyMap can add properties dynamically at run-time and |
| 104 | // therefore cannot have a property cache installed when instantiated. |
| 105 | bool m_isFullyDynamicType = false; |
| 106 | bool m_stronglyReferencesCompilationUnit = true; |
| 107 | }; |
| 108 | |
| 109 | } // namespace QV4 |
| 110 | |
| 111 | QT_END_NAMESPACE |
| 112 | |
| 113 | #endif // QV4RESOLVEDTYPEREFERNCE_P_H |
| 114 |
Definitions
Learn Advanced QML with KDAB
Find out more