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Diffstat (limited to 'src/qml/compiler/qv4executablecompilationunit_p.h')
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1 files changed, 0 insertions, 324 deletions
diff --git a/src/qml/compiler/qv4executablecompilationunit_p.h b/src/qml/compiler/qv4executablecompilationunit_p.h deleted file mode 100644 index 4e3aadf28a..0000000000 --- a/src/qml/compiler/qv4executablecompilationunit_p.h +++ /dev/null @@ -1,324 +0,0 @@ -/**************************************************************************** -** -** 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. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** 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-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QV4EXECUTABLECOMPILATIONUNIT_P_H -#define QV4EXECUTABLECOMPILATIONUNIT_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 <private/qv4compileddata_p.h> -#include <private/qqmlrefcount_p.h> -#include <private/qintrusivelist_p.h> -#include <private/qqmlpropertycachevector_p.h> -#include <private/qqmltype_p.h> - -QT_BEGIN_NAMESPACE - -class QQmlEnginePrivate; -namespace QV4 { - -class CompilationUnitMapper; -struct ResolvedTypeReference; -// map from name index -// While this could be a hash, a map is chosen here to provide a stable -// order, which is used to calculating a check-sum on dependent meta-objects. -struct ResolvedTypeReferenceMap: public QMap<int, ResolvedTypeReference*> -{ - bool addToHash(QCryptographicHash *hash, QQmlEngine *engine) const; -}; - -class Q_QML_PRIVATE_EXPORT ExecutableCompilationUnit final: public CompiledData::CompilationUnit, - public QQmlRefCount -{ - Q_DISABLE_COPY_MOVE(ExecutableCompilationUnit) -public: - friend class QQmlRefPointer<ExecutableCompilationUnit>; - - static QQmlRefPointer<ExecutableCompilationUnit> create( - CompiledData::CompilationUnit &&compilationUnit) - { - return QQmlRefPointer<ExecutableCompilationUnit>( - new ExecutableCompilationUnit(std::move(compilationUnit)), - QQmlRefPointer<ExecutableCompilationUnit>::Adopt); - } - - static QQmlRefPointer<ExecutableCompilationUnit> create() - { - return QQmlRefPointer<ExecutableCompilationUnit>( - new ExecutableCompilationUnit, - QQmlRefPointer<ExecutableCompilationUnit>::Adopt); - } - - QIntrusiveListNode nextCompilationUnit; - ExecutionEngine *engine = nullptr; - QQmlEnginePrivate *qmlEngine = nullptr; // only used in QML environment for composite types, not in plain QJSEngine case. - - // url() and fileName() shall be used to load the actual QML/JS code or to show errors or - // warnings about that code. They include any potential URL interceptions and thus represent the - // "physical" location of the code. - // - // finalUrl() and finalUrlString() shall be used to resolve further URLs referred to in the code - // They are _not_ intercepted and thus represent the "logical" name for the code. - - QUrl url() const { if (m_url.isNull) m_url = QUrl(fileName()); return m_url; } - QUrl finalUrl() const - { - if (m_finalUrl.isNull) - m_finalUrl = QUrl(finalUrlString()); - return m_finalUrl; - } - - QV4::Lookup *runtimeLookups = nullptr; - QVector<QV4::Function *> runtimeFunctions; - QVector<QV4::Heap::InternalClass *> runtimeBlocks; - mutable QVector<QV4::Heap::Object *> templateObjects; - mutable QQmlNullableValue<QUrl> m_url; - mutable QQmlNullableValue<QUrl> m_finalUrl; - - // QML specific fields - QQmlPropertyCacheVector propertyCaches; - QQmlRefPointer<QQmlPropertyCache> rootPropertyCache() const { return propertyCaches.at(/*root object*/0); } - - QQmlRefPointer<QQmlTypeNameCache> typeNameCache; - - // index is object index. This allows fast access to the - // property data when initializing bindings, avoiding expensive - // lookups by string (property name). - QVector<CompiledData::BindingPropertyData> bindingPropertyDataPerObject; - - // mapping from component object index (CompiledData::Unit object index that points to component) to identifier hash of named objects - // this is initialized on-demand by QQmlContextData - QHash<int, IdentifierHash> namedObjectsPerComponentCache; - inline IdentifierHash namedObjectsPerComponent(int componentObjectIndex); - - void finalizeCompositeType(QQmlEnginePrivate *qmlEngine); - - int totalBindingsCount = 0; // Number of bindings used in this type - int totalParserStatusCount = 0; // Number of instantiated types that are QQmlParserStatus subclasses - int totalObjectCount = 0; // Number of objects explicitly instantiated - - QVector<QQmlRefPointer<QQmlScriptData>> dependentScripts; - ResolvedTypeReferenceMap resolvedTypes; - ResolvedTypeReference *resolvedType(int id) const { return resolvedTypes.value(id); } - - bool verifyChecksum(const CompiledData::DependentTypesHasher &dependencyHasher) const; - - int metaTypeId = -1; - int listMetaTypeId = -1; - bool isRegisteredWithEngine = false; - - QScopedPointer<CompilationUnitMapper> backingFile; - - // --- interface for QQmlPropertyCacheCreator - using CompiledObject = CompiledData::Object; - using CompiledFunction = CompiledData::Function; - - int objectCount() const { return qmlData->nObjects; } - const CompiledObject *objectAt(int index) const - { - return qmlData->objectAt(index); - } - - int importCount() const { return qmlData->nImports; } - const CompiledData::Import *importAt(int index) const - { - return qmlData->importAt(index); - } - - Heap::Object *templateObjectAt(int index) const; - - struct FunctionIterator - { - FunctionIterator(const CompiledData::Unit *unit, const CompiledObject *object, int index) - : unit(unit), object(object), index(index) {} - const CompiledData::Unit *unit; - const CompiledObject *object; - int index; - - const CompiledFunction *operator->() const - { - return unit->functionAt(object->functionOffsetTable()[index]); - } - - void operator++() { ++index; } - bool operator==(const FunctionIterator &rhs) const { return index == rhs.index; } - bool operator!=(const FunctionIterator &rhs) const { return index != rhs.index; } - }; - - FunctionIterator objectFunctionsBegin(const CompiledObject *object) const - { - return FunctionIterator(data, object, 0); - } - - FunctionIterator objectFunctionsEnd(const CompiledObject *object) const - { - return FunctionIterator(data, object, object->nFunctions); - } - - bool isESModule() const - { - return data->flags & CompiledData::Unit::IsESModule; - } - - bool isSharedLibrary() const - { - return data->flags & CompiledData::Unit::IsSharedLibrary; - } - - QStringList moduleRequests() const; - Heap::Module *instantiate(ExecutionEngine *engine); - const Value *resolveExport(QV4::String *exportName) - { - QVector<ResolveSetEntry> resolveSet; - return resolveExportRecursively(exportName, &resolveSet); - } - - QStringList exportedNames() const - { - QStringList names; - QVector<const ExecutableCompilationUnit*> exportNameSet; - getExportedNamesRecursively(&names, &exportNameSet); - names.sort(); - auto last = std::unique(names.begin(), names.end()); - names.erase(last, names.end()); - return names; - } - - void evaluate(); - void evaluateModuleRequests(); - - QV4::Function *linkToEngine(QV4::ExecutionEngine *engine); - void unlink(); - - void markObjects(MarkStack *markStack); - - bool loadFromDisk(const QUrl &url, const QDateTime &sourceTimeStamp, QString *errorString); - - static QString localCacheFilePath(const QUrl &url); - bool saveToDisk(const QUrl &unitUrl, QString *errorString); - - QString bindingValueAsString(const CompiledData::Binding *binding) const; - QString bindingValueAsScriptString(const CompiledData::Binding *binding) const; - double bindingValueAsNumber(const CompiledData::Binding *binding) const - { - if (binding->type != CompiledData::Binding::Type_Number) - return 0.0; - return constants[binding->value.constantValueIndex].doubleValue(); - } - -protected: - quint32 totalStringCount() const - { return data->stringTableSize; } - -private: - struct ResolveSetEntry - { - ResolveSetEntry() {} - ResolveSetEntry(ExecutableCompilationUnit *module, QV4::String *exportName) - : module(module), exportName(exportName) {} - ExecutableCompilationUnit *module = nullptr; - QV4::String *exportName = nullptr; - }; - - ExecutableCompilationUnit(); - ExecutableCompilationUnit(CompiledData::CompilationUnit &&compilationUnit); - ~ExecutableCompilationUnit(); - - const Value *resolveExportRecursively(QV4::String *exportName, - QVector<ResolveSetEntry> *resolveSet); - - QUrl urlAt(int index) const { return QUrl(stringAt(index)); } - - Q_NEVER_INLINE IdentifierHash createNamedObjectsPerComponent(int componentObjectIndex); - const CompiledData::ExportEntry *lookupNameInExportTable( - const CompiledData::ExportEntry *firstExportEntry, int tableSize, - QV4::String *name) const; - - void getExportedNamesRecursively( - QStringList *names, QVector<const ExecutableCompilationUnit *> *exportNameSet, - bool includeDefaultExport = true) const; -}; - -struct ResolvedTypeReference -{ - ResolvedTypeReference() - : majorVersion(0) - , minorVersion(0) - , isFullyDynamicType(false) - {} - - QQmlType type; - QQmlRefPointer<QQmlPropertyCache> typePropertyCache; - QQmlRefPointer<QV4::ExecutableCompilationUnit> compilationUnit; - - int majorVersion; - int minorVersion; - // Types such as QQmlPropertyMap can add properties dynamically at run-time and - // therefore cannot have a property cache installed when instantiated. - bool isFullyDynamicType; - - QQmlRefPointer<QQmlPropertyCache> propertyCache() const; - QQmlRefPointer<QQmlPropertyCache> createPropertyCache(QQmlEngine *); - bool addToHash(QCryptographicHash *hash, QQmlEngine *engine); - - void doDynamicTypeCheck(); -}; - -IdentifierHash ExecutableCompilationUnit::namedObjectsPerComponent(int componentObjectIndex) -{ - auto it = namedObjectsPerComponentCache.find(componentObjectIndex); - if (Q_UNLIKELY(it == namedObjectsPerComponentCache.end())) - return createNamedObjectsPerComponent(componentObjectIndex); - return *it; -} - -} // namespace QV4 - -QT_END_NAMESPACE - -#endif // QV4EXECUTABLECOMPILATIONUNIT_P_H |