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/*
qmetaobjectvalidator.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2016 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include <config-gammaray.h>
#include "qmetaobjectvalidator.h"
#include "execution.h"
#include "metaobjectregistry.h"
#include "probe.h"
#include "problemcollector.h"
#include <QDebug>
#include <QMetaMethod>
#include <QMetaObject>
#include <QMetaProperty>
#include <private/qobject_p.h>
#include <private/qmetaobject_p.h>
using namespace GammaRay;
QMetaObjectValidatorResult::Results QMetaObjectValidator::checkProperty(const QMetaObject *mo, const QMetaProperty &property)
{
QMetaObjectValidatorResult::Results r = QMetaObjectValidatorResult::NoIssue;
// check if property overrides base-class declaration
if (mo->superClass()) {
const auto baseIdx = mo->superClass()->indexOfProperty(property.name());
if (baseIdx >= 0)
r |= QMetaObjectValidatorResult::PropertyOverride;
}
// check if property uses a known type
if (property.userType() == QMetaType::UnknownType)
r |= QMetaObjectValidatorResult::UnknownPropertyType;
return r;
}
QMetaObjectValidatorResult::Results QMetaObjectValidator::checkMethod(const QMetaObject *mo, const QMetaMethod &method)
{
QMetaObjectValidatorResult::Results r = QMetaObjectValidatorResult::NoIssue;
// check for parameters with unknown type
// don't check internal methods such as _q_createJSWrapper() from QQuickItem
if (!method.name().startsWith("_q")) { // krazy:exclude=strings
for (int j = 0; j < method.parameterCount(); ++j) {
if (method.parameterType(j) == QMetaType::UnknownType)
r |= QMetaObjectValidatorResult::UnknownMethodParameterType;
}
}
// check for signal overrides
if (method.methodType() == QMetaMethod::Signal && mo->superClass()) {
const auto baseIdx = mo->superClass()->indexOfMethod(method.methodSignature());
if (baseIdx >= 0)
r |= QMetaObjectValidatorResult::SignalOverride;
}
return r;
}
static bool isDynamicMetaObject(const QMetaObject *mo)
{
Q_ASSERT(reinterpret_cast<const QMetaObjectPrivate *>(mo->d.data)->revision >= 3);
return reinterpret_cast<const QMetaObjectPrivate *>(mo->d.data)->flags & DynamicMetaObject;
}
QMetaObjectValidatorResult::Results QMetaObjectValidator::check(const QMetaObject *mo)
{
QMetaObjectValidatorResult::Results r = QMetaObjectValidatorResult::NoIssue;
if (isDynamicMetaObject(mo)) // those may dynamically add properties we query...
return r;
for (int i = mo->propertyOffset(); i < mo->propertyCount(); ++i) {
const auto prop = mo->property(i);
r |= checkProperty(mo, prop);
}
for (int i = mo->methodOffset(); i < mo->methodCount(); ++i) {
const auto method = mo->method(i);
r |= checkMethod(mo, method);
}
return r;
}
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