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/* -*- C++ -*-
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2025 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 checkinternalH
#define checkinternalH
//---------------------------------------------------------------------------
#include "check.h"
#include "config.h"
#include <string>
class ErrorLogger;
class Token;
class Tokenizer;
class Settings;
/// @addtogroup Checks
/// @{
/** @brief %Check Internal cppcheck API usage */
class CPPCHECKLIB CheckInternal : public Check {
public:
/** This constructor is used when registering the CheckClass */
CheckInternal() : Check(myName()) {}
private:
/** This constructor is used when running checks. */
CheckInternal(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
: Check(myName(), tokenizer, settings, errorLogger) {}
void runChecks(const Tokenizer &tokenizer, ErrorLogger *errorLogger) override;
/** @brief %Check if a simple pattern is used inside Token::Match or Token::findmatch */
void checkTokenMatchPatterns();
/** @brief %Check if a complex pattern is used inside Token::simpleMatch or Token::findsimplematch */
void checkTokenSimpleMatchPatterns();
/** @brief %Check for missing % end character in Token::Match pattern */
void checkMissingPercentCharacter();
/** @brief %Check for unknown (invalid) complex patterns like "%typ%" */
void checkUnknownPattern();
/** @brief %Check for inefficient usage of Token::next(), Token::previous() and Token::tokAt() */
void checkRedundantNextPrevious();
/** @brief %Check if there is whitespace at the beginning or at the end of a pattern */
void checkExtraWhitespace();
/** @brief %Check if there is a redundant check for none-nullness of parameter before Match functions, such as (tok && Token::Match(tok, "foo")) */
void checkRedundantTokCheck();
void multiComparePatternError(const Token *tok, const std::string &pattern, const std::string &funcname);
void simplePatternError(const Token *tok, const std::string &pattern, const std::string &funcname);
void complexPatternError(const Token *tok, const std::string &pattern, const std::string &funcname);
void missingPercentCharacterError(const Token *tok, const std::string &pattern, const std::string &funcname);
void unknownPatternError(const Token* tok, const std::string& pattern);
void redundantNextPreviousError(const Token* tok, const std::string& func1, const std::string& func2);
void orInComplexPattern(const Token *tok, const std::string &pattern, const std::string &funcname);
void extraWhitespaceError(const Token *tok, const std::string &pattern, const std::string &funcname);
void checkRedundantTokCheckError(const Token *tok);
void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings) const override;
static std::string myName() {
return "cppcheck internal API usage";
}
std::string classInfo() const override {
// Don't include these checks on the WIKI where people can read what
// checks there are. These checks are not intended for users.
return "";
}
};
/// @}
//---------------------------------------------------------------------------
#endif // checkinternalH
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