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cppcheck/lib/settings.h

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2023 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 settingsH
#define settingsH
//---------------------------------------------------------------------------
#include "config.h"
#include "errortypes.h"
#include "importproject.h"
#include "library.h"
#include "platform.h"
#include "standards.h"
#include "suppressions.h"
#include <algorithm>
#include <atomic>
#include <cstddef>
#include <cstdint>
#include <list>
#include <set>
#include <string>
#include <tuple>
#include <vector>
#include <unordered_set>
enum class SHOWTIME_MODES;
namespace ValueFlow {
class Value;
}
/// @addtogroup Core
/// @{
template<typename T>
class SimpleEnableGroup {
uint32_t mFlags = 0;
public:
uint32_t intValue() const {
return mFlags;
}
void clear() {
mFlags = 0;
}
void fill() {
mFlags = 0xFFFFFFFF;
}
bool isEnabled(T flag) const {
return (mFlags & (1U << (uint32_t)flag)) != 0;
}
void enable(T flag) {
mFlags |= (1U << (uint32_t)flag);
}
void enable(SimpleEnableGroup<T> group) {
mFlags |= group.intValue();
}
void disable(T flag) {
mFlags &= ~(1U << (uint32_t)flag);
}
void disable(SimpleEnableGroup<T> group) {
mFlags &= ~(group.intValue());
}
void setEnabled(T flag, bool enabled) {
if (enabled)
enable(flag);
else
disable(flag);
}
};
/**
* @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 CPPCHECKLIB Settings {
private:
/** @brief terminate checking */
static std::atomic<bool> mTerminated;
public:
Settings();
void loadCppcheckCfg();
/** @brief addons, either filename of python/json file or json data */
std::unordered_set<std::string> addons;
/** @brief Path to the python interpreter to be used to run addons. */
std::string addonPython;
/** @brief Paths used as base for conversion to relative paths. */
std::vector<std::string> basePaths;
/** @brief --cppcheck-build-dir. Always uses / as path separator. No trailing path separator. */
std::string buildDir;
/** @brief check all configurations (false if -D or --max-configs is used */
bool checkAllConfigurations = true;
/** Is the 'configuration checking' wanted? */
bool checkConfiguration{};
/**
* Check code in the headers, this is on by default but can
* be turned off to save CPU */
bool checkHeaders = true;
/** Check for incomplete info in library files? */
bool checkLibrary{};
/** @brief The maximum time in seconds for the checks of a single file */
int checksMaxTime{};
/** @brief check unknown function return values */
std::set<std::string> checkUnknownFunctionReturn;
/** Check unused/uninstantiated templates */
bool checkUnusedTemplates = true;
/** Use Clang */
bool clang{};
/** Custom Clang executable */
std::string clangExecutable = "clang";
/** Use clang-tidy */
bool clangTidy{};
/** Internal: Clear the simplecpp non-existing include cache */
bool clearIncludeCache{};
/** @brief include paths excluded from checking the configuration */
std::set<std::string> configExcludePaths;
/** cppcheck.cfg: Custom product name */
std::string cppcheckCfgProductName;
/** cppcheck.cfg: About text */
std::string cppcheckCfgAbout;
/** @brief Are we running from DACA script? */
bool daca{};
/** @brief Is --debug-normal given? */
bool debugnormal{};
/** @brief Is --debug-simplified given? */
bool debugSimplified{};
/** @brief Is --debug-template given? */
bool debugtemplate{};
/** @brief Is --debug-warnings given? */
bool debugwarnings{};
/** @brief Is --dump given? */
bool dump{};
std::string dumpFile;
enum Language {
None, C, CPP
};
/** @brief Name of the language that is enforced. Empty per default. */
Language enforcedLang{};
/** @brief Is --exception-handling given */
bool exceptionHandling{};
// argv[0]
std::string exename;
/** @brief If errors are found, this value is returned from main().
Default value is 0. */
int exitCode{};
/** @brief List of --file-filter for analyzing special files */
std::vector<std::string> fileFilters;
/** @brief Force checking the files with "too many" configurations (--force). */
bool force{};
/** @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 Is --inline-suppr given? */
bool inlineSuppressions{};
/** @brief How many processes/threads should do checking at the same
time. Default is 1. (-j N) */
unsigned int jobs = 1;
/** @brief --library= */
std::list<std::string> libraries;
/** Library */
Library library;
/** @brief Load average value */
int loadAverage{};
/** @brief Maximum number of configurations to check before bailing.
Default is 12. (--max-configs=N) */
int maxConfigs = 12;
/** @brief --max-ctu-depth */
int maxCtuDepth = 2;
/** @brief max template recursion */
int maxTemplateRecursion = 100;
/** @brief suppress exitcode */
Suppressions nofail;
/** @brief suppress message (--suppressions) */
Suppressions nomsg;
/** @brief write results (--output-file=&lt;file&gt;) */
std::string outputFile;
cppcheck::Platform platform;
/** @brief Experimental: --performance-valueflow-max-time=T */
int performanceValueFlowMaxTime = -1;
/** @brief --performance-valueflow-max-if-count=C */
int performanceValueFlowMaxIfCount;
/** @brief max number of sets of arguments to pass to subfuncions in valueflow */
int performanceValueFlowMaxSubFunctionArgs;
/** @brief plist output (--plist-output=&lt;dir&gt;) */
std::string plistOutput;
/** @brief Extra arguments for Cppcheck Premium addon */
std::string premiumArgs;
/** @brief Using -E for debugging purposes */
bool preprocessOnly{};
ImportProject project;
/** @brief Is --quiet given? */
bool quiet{};
/** @brief Use relative paths in output. */
bool relativePaths{};
/** @brief --report-progress */
bool reportProgress{};
/** Rule */
struct CPPCHECKLIB Rule {
std::string tokenlist = "normal"; // use normal tokenlist
std::string pattern;
std::string id = "rule"; // default id
std::string summary;
Severity::SeverityType severity = Severity::style; // default severity
};
#ifdef HAVE_RULES
/**
* @brief Extra rules
*/
std::list<Rule> rules;
#endif
/** Do not only check how interface is used. Also check that interface is safe. */
struct CPPCHECKLIB SafeChecks {
static const char XmlRootName[];
static const char XmlClasses[];
static const char XmlExternalFunctions[];
static const char XmlInternalFunctions[];
static const char XmlExternalVariables[];
void clear() {
classes = externalFunctions = internalFunctions = externalVariables = false;
}
/**
* Public interface of classes
* - public function parameters can have any value
* - public functions can be called in any order
* - public variables can have any value
*/
bool classes{};
/**
* External functions
* - external functions can be called in any order
* - function parameters can have any values
*/
bool externalFunctions{};
/**
* Experimental: assume that internal functions can be used in any way
* This is only available in the GUI.
*/
bool internalFunctions{};
/**
* Global variables that can be modified outside the TU.
* - Such variable can have "any" value
*/
bool externalVariables{};
};
SafeChecks safeChecks;
SimpleEnableGroup<Severity::SeverityType> severity;
SimpleEnableGroup<Certainty> certainty;
SimpleEnableGroup<Checks> checks;
/** @brief show timing information (--showtime=file|summary|top5) */
SHOWTIME_MODES showtime{};
/** Struct contains standards settings */
Standards standards;
/** @brief The output format in which the errors are printed in text mode,
e.g. "{severity} {file}:{line} {message} {id}" */
std::string templateFormat;
/** @brief The output format in which the error locations are printed in
* text mode, e.g. "{file}:{line} {info}" */
std::string templateLocation;
/** @brief The maximum time in seconds for the template instantiation */
std::size_t templateMaxTime{};
/** @brief The maximum time in seconds for the typedef simplification */
std::size_t typedefMaxTime{};
/** @brief defines given by the user */
std::string userDefines;
/** @brief undefines given by the user */
std::set<std::string> userUndefs;
/** @brief forced includes given by the user */
std::list<std::string> userIncludes;
/** @brief the maximum iterations of valueflow (--valueflow-max-iterations=T) */
std::size_t valueFlowMaxIterations = 4;
/** @brief Is --verbose given? */
bool verbose{};
/** @brief write XML results (--xml) */
bool xml{};
/** @brief XML version (--xml-version=..) */
int xml_version = 2;
/**
* @brief return true if a included file is to be excluded in Preprocessor::getConfigs
* @return true for the file to be excluded.
*/
bool configurationExcluded(const std::string &file) const {
return std::any_of(configExcludePaths.begin(), configExcludePaths.end(), [&file](const std::string& path) {
return file.length() >= path.length() && file.compare(0, path.length(), path) == 0;
});
}
/**
* @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
*/
std::string addEnabled(const std::string &str);
/**
* @brief Disable extra checks by id
* @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
*/
std::string removeEnabled(const std::string &str);
/**
* @brief Returns true if given value can be shown
* @return true if the value can be shown
*/
bool isEnabled(const ValueFlow::Value *value, bool inconclusiveCheck=false) const;
/** Is library specified? */
bool hasLib(const std::string &lib) const {
return std::find(libraries.cbegin(), libraries.cend(), lib) != libraries.cend();
}
/** @brief Request termination of checking */
static void terminate(bool t = true) {
Settings::mTerminated = t;
}
/** @brief termination requested? */
static bool terminated() {
return Settings::mTerminated;
}
std::set<std::string> summaryReturn;
void loadSummaries();
bool useSingleJob() const {
return jobs == 1;
}
void setCheckLevelExhaustive();
void setCheckLevelNormal();
private:
static std::string parseEnabled(const std::string &str, std::tuple<SimpleEnableGroup<Severity::SeverityType>, SimpleEnableGroup<Checks>> &groups);
std::string applyEnabled(const std::string &str, bool enable);
};
/// @}
//---------------------------------------------------------------------------
#endif // settingsH
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