forked from qt-creator/qt-creator
bec4f02495
This is a re-work of our completion engine. Primary goals are: - Allow the computation to run in a separate thread so the GUI is not locked. - Support a model-based approach. QStrings are still needed (filtering, etc), but internal structures are free to use more efficient representations. - Unifiy all kinds of *assist* into a more reusable and extensible framework. - Remove unnecessary dependencies on the text editor so we have more generic and easily "plugable" components (still things to be resolved).
140 lines
4.9 KiB
C++
140 lines
4.9 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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#include "qmljsquickfix.h"
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#include "qmljscomponentfromobjectdef.h"
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#include "qmljseditor.h"
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#include "qmljsquickfixassist.h"
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#include <extensionsystem/iplugin.h>
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#include <extensionsystem/pluginmanager.h>
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#include <qmljs/parser/qmljsast_p.h>
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#include <qmljstools/qmljsrefactoringchanges.h>
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#include <QtGui/QApplication>
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using namespace QmlJS;
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using namespace QmlJS::AST;
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using namespace QmlJSEditor;
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using namespace QmlJSEditor::Internal;
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using namespace QmlJSTools;
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using namespace TextEditor;
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using TextEditor::RefactoringChanges;
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namespace {
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/*
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Reformats a one-line object into a multi-line one, i.e.
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Item { x: 10; y: 20; width: 10 }
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into
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Item {
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x: 10;
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y: 20;
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width: 10
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}
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*/
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class SplitInitializerOp: public QmlJSQuickFixFactory
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{
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public:
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virtual QList<QmlJSQuickFixOperation::Ptr> match(
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const QSharedPointer<const QmlJSQuickFixAssistInterface> &interface)
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{
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UiObjectInitializer *objectInitializer = 0;
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const int pos = interface->currentFile().cursor().position();
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if (QmlJS::AST::Node *member = interface->semanticInfo().declaringMember(pos)) {
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if (QmlJS::AST::UiObjectBinding *b = QmlJS::AST::cast<QmlJS::AST::UiObjectBinding *>(member)) {
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if (b->initializer->lbraceToken.startLine == b->initializer->rbraceToken.startLine)
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objectInitializer = b->initializer;
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} else if (QmlJS::AST::UiObjectDefinition *b = QmlJS::AST::cast<QmlJS::AST::UiObjectDefinition *>(member)) {
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if (b->initializer->lbraceToken.startLine == b->initializer->rbraceToken.startLine)
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objectInitializer = b->initializer;
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}
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}
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if (objectInitializer)
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return singleResult(new Operation(interface, objectInitializer));
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else
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return noResult();
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}
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private:
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class Operation: public QmlJSQuickFixOperation
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{
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UiObjectInitializer *_objectInitializer;
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public:
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Operation(const QSharedPointer<const QmlJSQuickFixAssistInterface> &interface,
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UiObjectInitializer *objectInitializer)
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: QmlJSQuickFixOperation(interface, 0)
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, _objectInitializer(objectInitializer)
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{
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setDescription(QApplication::translate("QmlJSEditor::QuickFix",
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"Split initializer"));
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}
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virtual void performChanges(QmlJSRefactoringFile *currentFile, QmlJSRefactoringChanges *)
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{
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Q_ASSERT(_objectInitializer != 0);
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Utils::ChangeSet changes;
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for (QmlJS::AST::UiObjectMemberList *it = _objectInitializer->members; it; it = it->next) {
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if (QmlJS::AST::UiObjectMember *member = it->member) {
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const QmlJS::AST::SourceLocation loc = member->firstSourceLocation();
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// insert a newline at the beginning of this binding
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changes.insert(currentFile->startOf(loc), QLatin1String("\n"));
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}
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}
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// insert a newline before the closing brace
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changes.insert(currentFile->startOf(_objectInitializer->rbraceToken),
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QLatin1String("\n"));
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currentFile->change(changes);
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currentFile->indent(Range(currentFile->startOf(_objectInitializer->lbraceToken),
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currentFile->startOf(_objectInitializer->rbraceToken)));
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}
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};
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};
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} // end of anonymous namespace
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void registerQuickFixes(ExtensionSystem::IPlugin *plugIn)
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{
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plugIn->addAutoReleasedObject(new SplitInitializerOp);
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plugIn->addAutoReleasedObject(new ComponentFromObjectDef);
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}
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