forked from qt-creator/qt-creator
cc88302309
... by additionally keeping local (currently non-owning) pools per
"interesting" type.
Current situation:
- The global object pool does not scale well for looking up
objects, as iteration plus qobject_cast typically iterates
over all pooled objects.
- User code that can use typed results from the object
pool need to have access to the full type definition anyway,
i.e. depend on the plugin of the target class anyway.
The patch here solves the scaling problem is to have local
type-specific pools to which objects register in their
constructors and deregister in their destructors.
This patch here does *not* change the ownership model of the
pooled objects, however, it opens the possibility to change
the ownership model per type (e.g. by not putting things into
the global pool at all anymore and make the local pool 'owning')
and the intent is to handle that in later patchs.
Even without the follow-up patches this here is a performance
improvement for the cases that access the local pools instead
the global one, i.e. "practically all".
Change-Id: Ib11a42df2c4ecf5e1155534730083a520dd1995b
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
134 lines
4.0 KiB
C++
134 lines
4.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "cppcodestylepreferencesfactory.h"
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#include "cppcodestylesettingspage.h"
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#include "cppcodestylepreferences.h"
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#include "cpptoolsconstants.h"
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#include "cppqtstyleindenter.h"
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#include <cppeditor/cppeditorconstants.h>
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#include <texteditor/snippets/snippetprovider.h>
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#include <extensionsystem/pluginmanager.h>
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#include <QLayout>
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using namespace CppTools;
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static const char *defaultPreviewText =
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"#include <math.h>\n"
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"\n"
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"class Complex\n"
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" {\n"
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"public:\n"
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" Complex(double re, double im)\n"
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" : _re(re), _im(im)\n"
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" {}\n"
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" double modulus() const\n"
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" {\n"
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" return sqrt(_re * _re + _im * _im);\n"
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" }\n"
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"private:\n"
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" double _re;\n"
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" double _im;\n"
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" };\n"
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"\n"
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"void bar(int i)\n"
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" {\n"
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" static int counter = 0;\n"
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" counter += i;\n"
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" }\n"
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"\n"
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"namespace Foo\n"
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" {\n"
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" namespace Bar\n"
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" {\n"
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" void foo(int a, int b)\n"
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" {\n"
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" for (int i = 0; i < a; i++)\n"
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" {\n"
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" if (i < b)\n"
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" bar(i);\n"
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" else\n"
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" {\n"
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" bar(i);\n"
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" bar(b);\n"
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" }\n"
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" }\n"
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" }\n"
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" } // namespace Bar\n"
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" } // namespace Foo\n"
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;
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CppCodeStylePreferencesFactory::CppCodeStylePreferencesFactory()
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{
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}
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Core::Id CppCodeStylePreferencesFactory::languageId()
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{
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return Constants::CPP_SETTINGS_ID;
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}
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QString CppCodeStylePreferencesFactory::displayName()
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{
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return QString::fromUtf8(Constants::CPP_SETTINGS_NAME);
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}
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TextEditor::ICodeStylePreferences *CppCodeStylePreferencesFactory::createCodeStyle() const
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{
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return new CppCodeStylePreferences();
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}
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QWidget *CppCodeStylePreferencesFactory::createEditor(TextEditor::ICodeStylePreferences *preferences,
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QWidget *parent) const
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{
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CppCodeStylePreferences *cppPreferences = qobject_cast<CppCodeStylePreferences *>(preferences);
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if (!cppPreferences)
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return 0;
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Internal::CppCodeStylePreferencesWidget *widget = new Internal::CppCodeStylePreferencesWidget(parent);
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widget->layout()->setMargin(0);
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widget->setCodeStyle(cppPreferences);
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return widget;
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}
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TextEditor::Indenter *CppCodeStylePreferencesFactory::createIndenter() const
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{
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return new CppQtStyleIndenter();
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}
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TextEditor::SnippetProvider *CppCodeStylePreferencesFactory::snippetProvider() const
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{
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return TextEditor::SnippetProvider::snippetProviderForGroupId(CppEditor::Constants::CPP_SNIPPETS_GROUP_ID);
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}
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QString CppCodeStylePreferencesFactory::previewText() const
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{
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return QLatin1String(defaultPreviewText);
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}
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