forked from qt-creator/qt-creator
08002c6278
The complete memory management in the code assistant needs an overhaul. For now just delete or at least track the assist interface with scoped pointers. Fixes: QTCREATORBUG-28408 Change-Id: I0bd4cfaa36a660b6fd5bb467af3b13414ed76e63 Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io> Reviewed-by: Christian Kandeler <christian.kandeler@qt.io> Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
126 lines
4.0 KiB
C++
126 lines
4.0 KiB
C++
// Copyright (C) 2018 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
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#pragma once
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#include "languageclient_global.h"
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#include <languageserverprotocol/completion.h>
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#include <texteditor/codeassist/assistproposaliteminterface.h>
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#include <texteditor/codeassist/completionassistprovider.h>
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#include <texteditor/codeassist/iassistprocessor.h>
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#include <QPointer>
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#include <QScopedPointer>
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#include <functional>
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#include <optional>
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namespace TextEditor {
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class IAssistProposal;
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class TextDocumentManipulatorInterface;
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}
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namespace LanguageClient {
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class Client;
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class LANGUAGECLIENT_EXPORT LanguageClientCompletionAssistProvider
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: public TextEditor::CompletionAssistProvider
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{
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Q_OBJECT
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public:
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LanguageClientCompletionAssistProvider(Client *client);
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TextEditor::IAssistProcessor *createProcessor(const TextEditor::AssistInterface *) const override;
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RunType runType() const override;
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int activationCharSequenceLength() const override;
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bool isActivationCharSequence(const QString &sequence) const override;
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bool isContinuationChar(const QChar &) const override { return true; }
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void setTriggerCharacters(const std::optional<QList<QString>> triggerChars);
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void setSnippetsGroup(const QString &group) { m_snippetsGroup = group; }
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protected:
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Client *client() const { return m_client; }
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private:
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QList<QString> m_triggerChars;
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QString m_snippetsGroup;
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int m_activationCharSequenceLength = 0;
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Client *m_client = nullptr; // not owned
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};
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class LANGUAGECLIENT_EXPORT LanguageClientCompletionAssistProcessor
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: public TextEditor::IAssistProcessor
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{
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public:
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LanguageClientCompletionAssistProcessor(Client *client, const QString &snippetsGroup);
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~LanguageClientCompletionAssistProcessor() override;
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TextEditor::IAssistProposal *perform(const TextEditor::AssistInterface *interface) override;
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bool running() override;
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bool needsRestart() const override { return true; }
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void cancel() override;
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protected:
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QTextDocument *document() const;
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Utils::FilePath filePath() const { return m_filePath; }
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int basePos() const { return m_basePos; }
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virtual QList<TextEditor::AssistProposalItemInterface *> generateCompletionItems(
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const QList<LanguageServerProtocol::CompletionItem> &items) const;
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private:
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void handleCompletionResponse(const LanguageServerProtocol::CompletionRequest::Response &response);
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QScopedPointer<const TextEditor::AssistInterface> m_assistInterface;
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Utils::FilePath m_filePath;
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QPointer<Client> m_client;
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std::optional<LanguageServerProtocol::MessageId> m_currentRequest;
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QMetaObject::Connection m_postponedUpdateConnection;
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const QString m_snippetsGroup;
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int m_pos = -1;
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int m_basePos = -1;
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};
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class LANGUAGECLIENT_EXPORT LanguageClientCompletionItem
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: public TextEditor::AssistProposalItemInterface
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{
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public:
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LanguageClientCompletionItem(LanguageServerProtocol::CompletionItem item);
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// AssistProposalItemInterface interface
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QString text() const override;
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QString filterText() const override;
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bool implicitlyApplies() const override;
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bool prematurelyApplies(const QChar &typedCharacter) const override;
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void apply(TextEditor::TextDocumentManipulatorInterface &manipulator,
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int basePosition) const override;
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QIcon icon() const override;
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QString detail() const override;
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bool isSnippet() const override;
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bool isValid() const override;
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quint64 hash() const override;
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LanguageServerProtocol::CompletionItem item() const;
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QChar triggeredCommitCharacter() const;
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const QString &sortText() const;
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bool hasSortText() const;
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bool operator <(const LanguageClientCompletionItem &other) const;
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bool isPerfectMatch(int pos, QTextDocument *doc) const;
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bool isDeprecated() const;
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private:
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LanguageServerProtocol::CompletionItem m_item;
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mutable QChar m_triggeredCommitCharacter;
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mutable QString m_sortText;
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mutable QString m_filterText;
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};
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} // namespace LanguageClient
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