cppcheck/lib/errorlogger.h

191 lines
5.4 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2010 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef errorloggerH
#define errorloggerH
#include <list>
#include <string>
class Token;
class Tokenizer;
/// @addtogroup Core
/// @{
/** @brief enum class for severity. Used when reporting errors. */
class Severity
{
public:
enum SeverityType { none, error, style, debug };
static std::string toString(SeverityType severity)
{
switch (severity)
{
case none:
return "";
case error:
return "error";
case style:
return "style";
case debug:
return "debug";
};
return "???";
}
static SeverityType fromString(const std::string &severity)
{
if (severity.empty())
return none;
if (severity == "none")
return none;
if (severity == "error")
return error;
if (severity == "style")
return style;
if (severity == "debug")
return debug;
return none;
}
};
/**
* @brief This is an interface, which the class responsible of error logging
* should implement.
*/
class ErrorLogger
{
public:
/**
* Wrapper for error messages, provided by reportErr()
*/
class ErrorMessage
{
public:
/**
* File name and line number.
* Internally paths are stored with / separator. When getting the filename
* it is by default converted to native separators.
*/
class FileLocation
{
public:
FileLocation()
{
line = 0;
}
/**
* Return the filename.
* @param convert If true convert path to native separators.
* @return filename.
*/
std::string getfile(bool convert = true) const;
/**
* Set the filename.
* @param file Filename to set.
*/
void setfile(const std::string &file);
unsigned int line;
private:
std::string _file;
};
ErrorMessage(const std::list<FileLocation> &callStack, Severity::SeverityType severity, const std::string &msg, const std::string &id);
ErrorMessage();
std::string toXML() const;
static std::string getXMLHeader();
static std::string getXMLFooter();
/**
* Format the error message into a string.
* @param outputFormat Empty string to use default output format
* or template to be used. E.g. "{file}:{line},{severity},{id},{message}"
*/
std::string toString(const std::string &outputFormat = "") const;
/**
* Replace all occurances of searchFor with replaceWith in the
* given source.
* @param source The string to modify
* @param searchFor What should be searched for
* @param replaceWith What will replace the found item
*/
static void findAndReplace(std::string &source, const std::string &searchFor, const std::string &replaceWith);
std::string serialize() const;
bool deserialize(const std::string &data);
std::list<FileLocation> _callStack;
Severity::SeverityType _severity;
std::string _msg;
std::string _id;
};
ErrorLogger() { }
virtual ~ErrorLogger() { }
/**
* Information about progress is directed here.
* Override this to receive the progress messages.
*
* @param outmsg Message to show e.g. "Checking main.cpp..."
*/
virtual void reportOut(const std::string &outmsg) = 0;
/**
* Information about found errors and warnings is directed
* here. Override this to receive the errormessages.
*
* @param msg Location and other information about the found.
* error
*/
virtual void reportErr(const ErrorLogger::ErrorMessage &msg) = 0;
/**
* Information about how many files have been checked
*
* @param index This many files have been checked.
* @param max This many files there are in total.
*/
virtual void reportStatus(unsigned int index, unsigned int max) = 0;
/**
* Report progress to client
* @param filename main file that is checked
* @param stage for example preprocess / tokenize / simplify / check
* @param value progress value (0-100)
*/
virtual void reportProgress(const std::string &filename, const char stage[], const unsigned char value)
{
(void)filename;
(void)stage;
(void)value;
}
static std::string callStackToString(const std::list<ErrorLogger::ErrorMessage::FileLocation> &callStack);
};
/// @}
#endif