cppcheck/lib/settings.h

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2011 Daniel Marjamäki and Cppcheck team.
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*
* 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 settingsH
#define settingsH
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#include <list>
#include <string>
#include <istream>
#include <map>
#include <set>
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/// @addtogroup Core
/// @{
/**
* @brief This is just a container for general settings so that we don't need
* to pass individual values to functions or constructors now or in the
* future when we might have even more detailed settings.
*/
class Settings
{
private:
/** @brief Code to append in the checks */
std::string _append;
/** @brief enable extra checks by id */
std::map<std::string, bool> _enabled;
/** @brief terminate checking */
bool _terminate;
public:
Settings();
/** @brief Is --debug given? */
bool debug;
/** @brief Is --debug-warnings given? */
bool debugwarnings;
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/** @brief Inconclusive checks */
bool inconclusive;
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/**
* When this flag is false (default) then experimental
* heuristics and checks are disabled.
*
* It should not be possible to enable this from any client.
*/
bool experimental;
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/** @brief Is --style given? */
bool _checkCodingStyle;
/** @brief Is --quiet given? */
bool _errorsOnly;
/** @brief Is --inline-suppr given? */
bool _inlineSuppressions;
/** @brief Is --verbose given? */
bool _verbose;
/** @brief Request termination of checking */
void terminate()
{
_terminate = true;
}
/** @brief termination requested? */
bool terminated() const
{
return _terminate;
}
/** @brief Force checking the files with "too many" configurations (--force). */
bool _force;
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/** @brief write XML results (--xml) */
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bool _xml;
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/** @brief XML version (--xmlver=..) */
int _xml_version;
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/** @brief How many processes/threads should do checking at the same
time. Default is 1. (-j N) */
unsigned int _jobs;
/** @brief If errors are found, this value is returned from main().
Default value is 0. */
int _exitCode;
/** @brief The output format in which the errors are printed in text mode,
e.g. "{severity} {file}:{line} {message} {id}" */
std::string _outputFormat;
/** @brief show timing information (--showtime=file|summary|top5) */
unsigned int _showtime;
/** @brief List of include paths, e.g. "my/includes/" which should be used
for finding include files inside source files. (-I) */
std::list<std::string> _includePaths;
/** @brief assign append code (--append) */
void append(const std::string &filename);
/** @brief get append code (--append) */
std::string append() const;
/**
* @brief Returns true if given id is in the list of
* enabled extra checks (--enable)
* @param str id for the extra check, e.g. "style"
* @return true if the check is enabled.
*/
bool isEnabled(const std::string &str) const;
/**
* @brief Enable extra checks by id. See isEnabled()
* @param str single id or list of id values to be enabled
* or empty string to enable all. e.g. "style,possibleError"
* @return error message. empty upon success
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*/
std::string addEnabled(const std::string &str);
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/** @brief class for handling suppressions */
class Suppressions
{
private:
class FileMatcher
{
friend class Suppressions;
private:
/** @brief List of filenames suppressed, bool flag indicates whether suppression matched. */
std::map<std::string, std::map<unsigned int, bool> > _files;
/** @brief List of globs suppressed, bool flag indicates whether suppression matched. */
std::map<std::string, std::map<unsigned int, bool> > _globs;
/**
* @brief Match a name against a glob pattern.
* @param pattern The glob pattern to match.
* @param name The filename to match against the glob pattern.
* @return match success
*/
static bool match(const std::string &pattern, const std::string &name);
public:
/**
* @brief Add a file or glob (and line number).
* @param name File name or glob pattern
* @param line Line number
* @return error message. empty upon success
*/
std::string addFile(const std::string &name, unsigned int line);
/**
* @brief Returns true if the file name matches a previously added file or glob pattern.
* @param file File name to check
* @param line Line number
* @return true if this filename/line matches
*/
bool isSuppressed(const std::string &file, unsigned int line);
/**
* @brief Returns true if the file name matches a previously added file (only, not glob pattern).
* @param file File name to check
* @param line Line number
* @return true if this filename/line matches
*/
bool isSuppressedLocal(const std::string &file, unsigned int line);
};
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/** @brief List of error which the user doesn't want to see. */
std::map<std::string, FileMatcher> _suppressions;
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public:
/**
* @brief Don't show errors listed in the file.
* @param istr Open file stream where errors can be read.
* @return error message. empty upon success
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*/
std::string parseFile(std::istream &istr);
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/**
* @brief Don't show the given error.
* @param line Description of error to suppress (in id:file:line format).
* @return error message. empty upon success
*/
std::string addSuppressionLine(const std::string &line);
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/**
* @brief Don't show this error. If file and/or line are optional. In which case
* the errorId alone is used for filtering.
* @param errorId the id for the error, e.g. "arrayIndexOutOfBounds"
* @param file File name with the path, e.g. "src/main.cpp"
* @param line number, e.g. "123"
* @return error message. empty upon success
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*/
std::string addSuppression(const std::string &errorId, const std::string &file = "", unsigned int line = 0);
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/**
* @brief Returns true if this message should not be shown to the user.
* @param errorId the id for the error, e.g. "arrayIndexOutOfBounds"
* @param file File name with the path, e.g. "src/main.cpp"
* @param line number, e.g. "123"
* @return true if this error is suppressed.
*/
bool isSuppressed(const std::string &errorId, const std::string &file, unsigned int line);
/**
* @brief Returns true if this message should not be shown to the user (explicit files only, not glob patterns).
* @param errorId the id for the error, e.g. "arrayIndexOutOfBounds"
* @param file File name with the path, e.g. "src/main.cpp"
* @param line number, e.g. "123"
* @return true if this error is suppressed.
*/
bool isSuppressedLocal(const std::string &errorId, const std::string &file, unsigned int line);
struct SuppressionEntry
{
SuppressionEntry(const std::string &aid, const std::string &afile, const unsigned int &aline)
: id(aid), file(afile), line(aline)
{ }
std::string id;
std::string file;
unsigned int line;
};
/**
* @brief Returns list of unmatched local (per-file) suppressions.
* @return list of unmatched suppressions
*/
std::list<SuppressionEntry> getUnmatchedLocalSuppressions(const std::string &file) const;
/**
* @brief Returns list of unmatched global (glob pattern) suppressions.
* @return list of unmatched suppressions
*/
std::list<SuppressionEntry> getUnmatchedGlobalSuppressions() const;
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};
/** @brief suppress message (--suppressions) */
Suppressions nomsg;
/** @brief suppress exitcode */
Suppressions nofail;
/** @brief defines given by the user */
std::string userDefines;
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/** @brief Experimental 2 pass checking of files */
bool test_2_pass;
/** @brief --report-progress */
bool reportProgress;
/**
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* @brief Is there any preprocessor configurations in the source code?
* As usual, include guards are not counted.
*/
bool ifcfg;
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/** Rule */
class Rule
{
public:
Rule()
{
// default id
id = "rule";
// default severity
severity = "style";
}
std::string pattern;
std::string id;
std::string severity;
std::string summary;
};
/**
* @brief Extra rules
*/
std::list<Rule> rules;
/** Is the 'configuration checking' wanted? */
bool checkConfiguration() const
{
return checkIncludes;
}
/** Check configuration: includes */
bool checkIncludes;
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};
/// @}
#endif // SETTINGS_H