forked from qt-creator/qt-creator
New code assist API
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).
This commit is contained in:
Leandro Melo
172
src/plugins/cpptools/cppcompletionassist.h
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172
src/plugins/cpptools/cppcompletionassist.h
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/**************************************************************************
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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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#ifndef CPPCOMPLETIONASSIST_H
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#define CPPCOMPLETIONASSIST_H
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#include <cplusplus/Icons.h>
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#include <cplusplus/Overview.h>
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#include <cplusplus/TypeOfExpression.h>
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#include <cplusplus/CppDocument.h>
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#include <texteditor/codeassist/completionassistprovider.h>
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#include <texteditor/codeassist/iassistprocessor.h>
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#include <texteditor/snippets/snippetassistcollector.h>
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#include <texteditor/codeassist/defaultassistinterface.h>
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#include <QtCore/QStringList>
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#include <QtCore/QVariant>
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QT_BEGIN_NAMESPACE
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class QTextCursor;
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QT_END_NAMESPACE
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namespace CPlusPlus {
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class LookupItem;
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class ClassOrNamespace;
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class Function;
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class LookupContext;
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}
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namespace CppTools {
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namespace Internal {
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class CppCompletionAssistInterface;
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class CppAssistProposalModel;
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class CppCompletionAssistProvider : public TextEditor::CompletionAssistProvider
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{
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public:
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virtual bool supportsEditor(const QString &editorId) const;
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virtual int activationCharSequenceLength() const;
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virtual bool isActivationCharSequence(const QString &sequence) const;
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virtual TextEditor::IAssistProcessor *createProcessor() const;
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};
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class CppCompletionAssistProcessor : public TextEditor::IAssistProcessor
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{
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public:
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CppCompletionAssistProcessor();
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virtual ~CppCompletionAssistProcessor();
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virtual TextEditor::IAssistProposal *perform(const TextEditor::IAssistInterface *interface);
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private:
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TextEditor::IAssistProposal *createContentProposal();
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TextEditor::IAssistProposal *createHintProposal(QList<CPlusPlus::Function *> symbols) const;
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bool accepts() const;
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int startOfOperator(int pos, unsigned *kind, bool wantFunctionCall) const;
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int findStartOfName(int pos = -1) const;
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int startCompletionHelper();
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bool tryObjCCompletion();
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bool objcKeywordsWanted() const;
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int startCompletionInternal(const QString fileName,
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unsigned line, unsigned column,
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const QString &expression,
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int endOfExpression);
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void completeObjCMsgSend(CPlusPlus::ClassOrNamespace *binding, bool staticClassAccess);
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bool completeInclude(const QTextCursor &cursor);
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void completePreprocessor();
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bool completeConstructorOrFunction(const QList<CPlusPlus::LookupItem> &results,
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int endOfExpression,
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bool toolTipOnly);
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bool completeMember(const QList<CPlusPlus::LookupItem> &results);
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bool completeScope(const QList<CPlusPlus::LookupItem> &results);
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void completeNamespace(CPlusPlus::ClassOrNamespace *binding);
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void completeClass(CPlusPlus::ClassOrNamespace *b, bool staticLookup = true);
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bool completeQtMethod(const QList<CPlusPlus::LookupItem> &results, bool wantSignals);
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bool completeSignal(const QList<CPlusPlus::LookupItem> &results)
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{ return completeQtMethod(results, true); }
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bool completeSlot(const QList<CPlusPlus::LookupItem> &results)
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{ return completeQtMethod(results, false); }
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void globalCompletion(CPlusPlus::Scope *scope);
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void addCompletionItem(const QString &text,
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const QIcon &icon = QIcon(),
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int order = 0,
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const QVariant &data = QVariant());
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void addCompletionItem(CPlusPlus::Symbol *symbol);
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void addSnippets();
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void addKeywords();
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void addMacros(const QString &fileName, const CPlusPlus::Snapshot &snapshot);
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void addMacros_helper(const CPlusPlus::Snapshot &snapshot,
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const QString &fileName,
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QSet<QString> *processed,
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QSet<QString> *definedMacros);
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int m_startPosition;
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bool m_objcEnabled;
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QScopedPointer<const CppCompletionAssistInterface> m_interface;
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QList<TextEditor::BasicProposalItem *> m_completions;
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TextEditor::SnippetAssistCollector m_snippetCollector;
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const CppCompletionAssistProvider *m_provider;
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CPlusPlus::Icons m_icons;
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CPlusPlus::TypeOfExpression typeOfExpression;
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QStringList preprocessorCompletions;
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QScopedPointer<CppAssistProposalModel> m_model;
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TextEditor::IAssistProposal *m_hintProposal;
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};
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class CppCompletionAssistInterface : public TextEditor::DefaultAssistInterface
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{
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public:
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CppCompletionAssistInterface(QTextDocument *document,
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int position,
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Core::IFile *file,
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TextEditor::AssistReason reason,
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const CPlusPlus::Snapshot &snapshot,
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const QStringList &includePaths,
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const QStringList &frameworkPaths)
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: TextEditor::DefaultAssistInterface(document, position, file, reason)
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, m_snapshot(snapshot)
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, m_includePaths(includePaths)
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, m_frameworkPaths(frameworkPaths)
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{}
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const CPlusPlus::Snapshot &snapshot() const { return m_snapshot; }
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const QStringList &includePaths() const { return m_includePaths; }
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const QStringList &frameworkPaths() const { return m_frameworkPaths; }
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private:
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CPlusPlus::Snapshot m_snapshot;
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QStringList m_includePaths;
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QStringList m_frameworkPaths;
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};
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} // Internal
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} // CppTools
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Q_DECLARE_METATYPE(CPlusPlus::Symbol *)
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#endif // CPPCOMPLETIONASSIST_H
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