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86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
/*
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Copyright (C) 2009-2010 George Kiagiadakis <kiagiadakis.george@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef BACKTRACEPARSER_H
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#define BACKTRACEPARSER_H
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#include "backtraceline.h"
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#include <QtCore/QObject>
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#include <QtCore/QStringList>
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#include <QtCore/QMetaType>
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#include <QtCore/QSet>
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class BacktraceParserPrivate;
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class BacktraceParser : public QObject
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(BacktraceParser)
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Q_ENUMS(Usefulness)
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public:
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enum Usefulness { InvalidUsefulness, Useless, ProbablyUseless, MayBeUseful, ReallyUseful };
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static BacktraceParser *newParser(const QString & debuggerName, QObject *parent = 0);
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virtual ~BacktraceParser();
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/*! Connects the parser to the backtrace generator.
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* Any QObject that defines the starting() and newLine(QString) signals will do.
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*/
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void connectToGenerator(QObject *generator);
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/*! Returns the parsed backtrace. Any garbage that should not be shown to the user is removed. */
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virtual QString parsedBacktrace() const;
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/*! Same as parsedBacktrace(), but the backtrace here is returned as a list of
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* BacktraceLine objects, which provide extra information on each line.
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*/
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virtual QList<BacktraceLine> parsedBacktraceLines() const;
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/*! Returns a value that indicates how much useful is the backtrace that we got */
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virtual Usefulness backtraceUsefulness() const;
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/*! Returns a list of libraries/executables that are missing debug symbols. */
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virtual QSet<QString> librariesWithMissingDebugSymbols() const;
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private Q_SLOTS:
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void resetState();
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protected Q_SLOTS:
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/*! Called every time there is a new line from the generator. Subclasses should parse
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* the line here and insert it in the m_linesList field of BacktraceParserPrivate.
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* If the line is useful for rating as well, it should also be inserted in the m_linesToRate
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* field, so that calculateRatingData() can use it.
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*/
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virtual void newLine(const QString & lineStr) = 0;
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protected:
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explicit BacktraceParser(QObject *parent = 0);
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/*! Subclasses should override to provide their own BacktraceParserPrivate instance */
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virtual BacktraceParserPrivate *constructPrivate() const;
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/*! This method should fill the m_usefulness and m_librariesWithMissingDebugSymbols members of
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* the BacktraceParserPrivate instance. The default implementation uses the lines inserted in
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* m_linesToRate and applies a generic algorithm that should work for many debuggers.
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*/
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virtual void calculateRatingData();
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BacktraceParserPrivate *d_ptr;
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};
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Q_DECLARE_METATYPE(BacktraceParser::Usefulness)
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#endif // BACKTRACEPARSER_H
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