File indexing completed on 2024-04-07 12:21:52

0001 /*****************************************************************
0002  * drkonqi - The KDE Crash Handler
0003  *
0004  * SPDX-FileCopyrightText: 2000-2003 Hans Petter Bieker <bieker@kde.org>
0005  * SPDX-FileCopyrightText: 2021-2022 Harald Sitter <sitter@kde.org>
0006  *
0007  * SPDX-License-Identifier: BSD-2-Clause
0008  *****************************************************************/
0009 
0010 #ifndef BACKTRACEGENERATOR_H
0011 #define BACKTRACEGENERATOR_H
0012 
0013 #include <memory>
0014 
0015 #include <QProcess>
0016 #include <QTemporaryFile>
0017 
0018 #include "debugger.h"
0019 
0020 class KProcess;
0021 class BacktraceParser;
0022 class QTemporaryDir;
0023 
0024 class BacktraceGenerator : public QObject
0025 {
0026     Q_OBJECT
0027 
0028     Q_PROPERTY(State state READ state NOTIFY stateChanged)
0029     Q_PROPERTY(bool supportsSymbolResolution MEMBER m_supportsSymbolResolution CONSTANT)
0030     Q_PROPERTY(bool symbolResolution MEMBER m_symbolResolution NOTIFY symbolResolutionChanged)
0031 public:
0032     enum State {
0033         NotLoaded,
0034         Loading,
0035         Loaded,
0036         Failed,
0037         FailedToStart,
0038     };
0039     Q_ENUM(State)
0040 
0041     BacktraceGenerator(const Debugger &debugger, QObject *parent);
0042     ~BacktraceGenerator() override;
0043 
0044     State state() const
0045     {
0046         return m_state;
0047     }
0048 
0049     Q_INVOKABLE BacktraceParser *parser() const
0050     {
0051         return m_parser;
0052     }
0053 
0054     Q_INVOKABLE QString backtrace() const
0055     {
0056         return m_parsedBacktrace;
0057     }
0058 
0059     // Called by manager when it is ready for us.
0060     void setBackendPrepared();
0061 
0062     Q_INVOKABLE bool debuggerIsGDB() const;
0063     Q_INVOKABLE QString debuggerName() const;
0064     QByteArray sentryPayload() const;
0065 
0066 public Q_SLOTS:
0067     void start();
0068 
0069 Q_SIGNALS:
0070     void starting();
0071     void newLine(const QString &str); // emitted for every line
0072     void someError();
0073     void failedToStart();
0074     void done();
0075     void preparing();
0076     void stateChanged();
0077     void symbolResolutionChanged();
0078 
0079 private Q_SLOTS:
0080     void slotProcessExited(int exitCode, QProcess::ExitStatus exitStatus);
0081     void slotReadInput();
0082     void slotOnErrorOccurred(QProcess::ProcessError error);
0083 
0084 private:
0085     const Debugger m_debugger;
0086     KProcess *m_proc = nullptr;
0087     QTemporaryFile *m_temp = nullptr;
0088     QByteArray m_output;
0089     State m_state = NotLoaded;
0090     BacktraceParser *m_parser = nullptr;
0091     QString m_parsedBacktrace;
0092     std::unique_ptr<QTemporaryDir> m_tempDirectory;
0093     const bool m_supportsSymbolResolution = false;
0094     bool m_symbolResolution = false;
0095 
0096 #ifdef BACKTRACE_PARSER_DEBUG
0097     BacktraceParser *m_debugParser = nullptr;
0098 #endif
0099 };
0100 
0101 #endif