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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 QMLTCVISITOR_H
#define QMLTCVISITOR_H
#include <QtCore/qstring.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qlist.h>
#include <QtQml/private/qqmlirbuilder_p.h>
#include <private/qqmljsimportvisitor_p.h>
#include <private/qqmljslogger_p.h>
QT_BEGIN_NAMESPACE
class QmltcVisitor : public QQmlJSImportVisitor
{
void findCppIncludes();
void postVisitResolve(const QHash<QQmlJSScope::ConstPtr, QList<QQmlJSMetaPropertyBinding>>
&qmlIrOrderedBindings);
void setupAliases();
void checkForNamingCollisionsWithCpp(const QQmlJSScope::ConstPtr &type);
public:
QmltcVisitor(const QQmlJSScope::Ptr &target, QQmlJSImporter *importer, QQmlJSLogger *logger,
const QString &implicitImportDirectory,
const QStringList &qmldirFiles = QStringList());
bool visit(QQmlJS::AST::UiObjectDefinition *) override;
void endVisit(QQmlJS::AST::UiObjectDefinition *) override;
bool visit(QQmlJS::AST::UiObjectBinding *) override;
void endVisit(QQmlJS::AST::UiObjectBinding *) override;
bool visit(QQmlJS::AST::UiScriptBinding *) override;
bool visit(QQmlJS::AST::UiPublicMember *) override;
bool visit(QQmlJS::AST::UiInlineComponent *) override;
void endVisit(QQmlJS::AST::UiProgram *) override;
QList<QQmlJSScope::ConstPtr> qmlTypesWithQmlBases() const { return m_qmlTypesWithQmlBases; }
QSet<QString> cppIncludeFiles() const { return m_cppIncludes; }
qsizetype creationIndex(const QQmlJSScope::ConstPtr &type) const
{
Q_ASSERT(m_pureTypeIndices.contains(type));
Q_ASSERT(type->scopeType() == QQmlJSScope::QMLScope);
return m_pureTypeIndices[type];
}
qsizetype qmlComponentIndex(const QQmlJSScope::ConstPtr &type) const
{
Q_ASSERT(type->scopeType() == QQmlJSScope::QMLScope);
return m_syntheticTypeIndices.value(type, -1);
}
qsizetype qmlIrObjectIndex(const QQmlJSScope::ConstPtr &type) const
{
Q_ASSERT(type->scopeType() == QQmlJSScope::QMLScope);
Q_ASSERT(m_qmlIrObjectIndices.contains(type));
return m_qmlIrObjectIndices[type];
}
/*! \internal
Returns a runtime index counterpart of `id: foo` for \a type. Returns -1
if \a type does not have an id.
*/
int runtimeId(const QQmlJSScope::ConstPtr &type) const
{
// NB: this function is expected to be called for "pure" types
Q_ASSERT(!m_typesWithId.contains(type) || m_typesWithId[type] != -1);
return m_typesWithId.value(type, -1);
}
/*! \internal
Returns all encountered QML types.
*/
QList<QQmlJSScope::ConstPtr> allQmlTypes() const { return qmlTypes(); }
/*! \internal
Returns encountered QML types which return \c false in
\c{isComponentRootElement()}. Called "pure", because these are the ones
that are not wrapped into QQmlComponent. Pure QML types can be created
through direct constructor invocation.
*/
QList<QQmlJSScope::ConstPtr> pureQmlTypes() const { return m_pureQmlTypes; }
/*! \internal
Returns \c true when \a type has deferred bindings. Returns \c false
otherwise.
*/
bool hasDeferredBindings(const QQmlJSScope::ConstPtr &type) const
{
return m_typesWithDeferredBindings.contains(type);
}
enum Mode { Import, Compile };
void setMode(Mode mode) { m_mode = mode; }
protected:
QStringList m_qmlTypeNames; // names of QML types arranged as a stack
QHash<QString, int> m_qmlTypeNameCounts;
QList<QQmlJSScope::ConstPtr> m_qmlTypesWithQmlBases; // QML types with composite/QML base types
QSet<QString> m_cppIncludes; // all C++ includes found from QQmlJSScope hierarchy
QList<QQmlJSScope::ConstPtr> m_pureQmlTypes; // the ones not under QQmlComponent
QHash<QQmlJSScope::ConstPtr, qsizetype> m_pureTypeIndices;
QHash<QQmlJSScope::ConstPtr, qsizetype> m_syntheticTypeIndices;
QHash<QQmlJSScope::ConstPtr, qsizetype> m_qmlIrObjectIndices;
QSet<QQmlJSScope::ConstPtr> m_typesWithDeferredBindings;
// prefer allQmlTypes or pureQmlTypes. this function is misleading in qmltc
QList<QQmlJSScope::ConstPtr> qmlTypes() const { return QQmlJSImportVisitor::qmlTypes(); }
QHash<QQmlJSScope::ConstPtr, int> m_typesWithId;
Mode m_mode = Mode::Import;
};
QT_END_NAMESPACE
#endif // QMLTCVISITOR_H
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