330 lines
10 KiB
C++
330 lines
10 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2021 Cppcheck team.
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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//---------------------------------------------------------------------------
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#ifndef errorloggerH
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#define errorloggerH
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//---------------------------------------------------------------------------
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#include "config.h"
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#include "errortypes.h"
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#include "suppressions.h"
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#include <fstream>
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#include <list>
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#include <string>
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#include <utility>
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#include <vector>
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/**
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* CWE id (Common Weakness Enumeration)
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* See https://cwe.mitre.org/ for further reference.
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* */
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// CWE list: https://cwe.mitre.org/data/published/cwe_v3.4.1.pdf
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static const struct CWE CWE_USE_OF_UNINITIALIZED_VARIABLE(457U);
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static const struct CWE CWE_NULL_POINTER_DEREFERENCE(476U);
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static const struct CWE CWE_USE_OF_POTENTIALLY_DANGEROUS_FUNCTION(676U);
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static const struct CWE CWE_INCORRECT_CALCULATION(682U);
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static const struct CWE CWE_EXPIRED_POINTER_DEREFERENCE(825U);
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class Token;
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class TokenList;
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namespace tinyxml2 {
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class XMLElement;
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}
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/// @addtogroup Core
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/// @{
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/**
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* Wrapper for error messages, provided by reportErr()
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*/
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class CPPCHECKLIB ErrorMessage {
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public:
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/**
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* File name and line number.
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* Internally paths are stored with / separator. When getting the filename
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* it is by default converted to native separators.
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*/
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class CPPCHECKLIB FileLocation {
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public:
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FileLocation()
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: fileIndex(0), line(0), column(0) {
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}
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FileLocation(const std::string &file, int line, unsigned int column)
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: fileIndex(0), line(line), column(column), mOrigFileName(file), mFileName(file) {
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}
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FileLocation(const std::string &file, const std::string &info, int line, unsigned int column)
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: fileIndex(0), line(line), column(column), mOrigFileName(file), mFileName(file), mInfo(info) {
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}
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FileLocation(const Token* tok, const TokenList* tokenList);
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FileLocation(const Token* tok, const std::string &info, const TokenList* tokenList);
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/**
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* Return the filename.
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* @param convert If true convert path to native separators.
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* @return filename.
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*/
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std::string getfile(bool convert = true) const;
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/**
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* Filename with the whole path (no --rp)
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* @param convert If true convert path to native separators.
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* @return filename.
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*/
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std::string getOrigFile(bool convert = true) const;
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/**
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* Set the filename.
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* @param file Filename to set.
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*/
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void setfile(const std::string &file);
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/**
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* @return the location as a string. Format: [file:line]
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*/
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std::string stringify() const;
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unsigned int fileIndex;
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int line; // negative value means "no line"
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unsigned int column;
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std::string getinfo() const {
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return mInfo;
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}
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void setinfo(const std::string &i) {
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mInfo = i;
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}
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private:
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std::string mOrigFileName;
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std::string mFileName;
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std::string mInfo;
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};
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ErrorMessage(const std::list<FileLocation> &callStack,
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const std::string& file1,
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Severity::SeverityType severity,
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const std::string &msg,
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const std::string &id, Certainty::CertaintyLevel certainty);
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ErrorMessage(const std::list<FileLocation> &callStack,
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const std::string& file1,
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Severity::SeverityType severity,
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const std::string &msg,
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const std::string &id,
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const CWE &cwe,
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Certainty::CertaintyLevel certainty);
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ErrorMessage(const std::list<const Token*>& callstack,
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const TokenList* list,
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Severity::SeverityType severity,
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const std::string& id,
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const std::string& msg,
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Certainty::CertaintyLevel certainty);
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ErrorMessage(const std::list<const Token*>& callstack,
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const TokenList* list,
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Severity::SeverityType severity,
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const std::string& id,
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const std::string& msg,
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const CWE &cwe,
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Certainty::CertaintyLevel certainty,
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bool bugHunting);
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ErrorMessage(const ErrorPath &errorPath,
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const TokenList *tokenList,
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Severity::SeverityType severity,
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const char id[],
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const std::string &msg,
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const CWE &cwe,
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Certainty::CertaintyLevel certainty,
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bool bugHunting);
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ErrorMessage();
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explicit ErrorMessage(const tinyxml2::XMLElement * const errmsg);
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/**
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* Format the error message in XML format
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*/
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std::string toXML() const;
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static std::string getXMLHeader();
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static std::string getXMLFooter();
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/**
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* Format the error message into a string.
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* @param verbose use verbose message
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* @param templateFormat Empty string to use default output format
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* or template to be used. E.g. "{file}:{line},{severity},{id},{message}"
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* @param templateLocation Format Empty string to use default output format
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* or template to be used. E.g. "{file}:{line},{info}"
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* @return formatted string
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*/
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std::string toString(bool verbose,
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const std::string &templateFormat = emptyString,
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const std::string &templateLocation = emptyString) const;
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std::string serialize() const;
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bool deserialize(const std::string &data);
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std::list<FileLocation> callStack;
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std::string id;
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/** For GUI rechecking; source file (not header) */
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std::string file0;
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/** For GUI bug hunting; function name */
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std::string function;
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/** For GUI bug hunting; incomplete analysis */
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bool incomplete;
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Severity::SeverityType severity;
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CWE cwe;
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Certainty::CertaintyLevel certainty;
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/** Warning hash */
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std::size_t hash;
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/** set short and verbose messages */
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void setmsg(const std::string &msg);
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/** Short message (single line short message) */
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const std::string &shortMessage() const {
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return mShortMessage;
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}
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/** Verbose message (may be the same as the short message) */
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const std::string &verboseMessage() const {
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return mVerboseMessage;
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}
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/** Symbol names */
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const std::string &symbolNames() const {
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return mSymbolNames;
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}
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Suppressions::ErrorMessage toSuppressionsErrorMessage() const;
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private:
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/**
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* Replace all occurrences of searchFor with replaceWith in the
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* given source.
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* @param source The string to modify
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* @param searchFor What should be searched for
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* @param replaceWith What will replace the found item
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*/
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static void findAndReplace(std::string &source, const std::string &searchFor, const std::string &replaceWith);
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static std::string fixInvalidChars(const std::string& raw);
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/** Short message */
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std::string mShortMessage;
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/** Verbose message */
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std::string mVerboseMessage;
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/** symbol names */
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std::string mSymbolNames;
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};
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/**
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* @brief This is an interface, which the class responsible of error logging
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* should implement.
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*/
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class CPPCHECKLIB ErrorLogger {
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protected:
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std::ofstream plistFile;
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public:
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ErrorLogger() { }
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virtual ~ErrorLogger() {
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if (plistFile.is_open()) {
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plistFile << ErrorLogger::plistFooter();
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plistFile.close();
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}
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}
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/**
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* Information about progress is directed here.
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* Override this to receive the progress messages.
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*
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* @param outmsg Message to show e.g. "Checking main.cpp..."
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*/
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virtual void reportOut(const std::string &outmsg) = 0;
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/**
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* Information about found errors and warnings is directed
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* here. Override this to receive the errormessages.
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*
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* @param msg Location and other information about the found error.
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*/
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virtual void reportErr(const ErrorMessage &msg) = 0;
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/**
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* Report progress to client
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* @param filename main file that is checked
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* @param stage for example preprocess / tokenize / simplify / check
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* @param value progress value (0-100)
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*/
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virtual void reportProgress(const std::string &filename, const char stage[], const std::size_t value) {
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(void)filename;
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(void)stage;
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(void)value;
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}
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/**
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* Output information messages.
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* @param msg Location and other information about the found error.
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*/
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virtual void reportInfo(const ErrorMessage &msg) {
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reportErr(msg);
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}
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virtual void bughuntingReport(const std::string &str) = 0;
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/**
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* Report unmatched suppressions
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* @param unmatched list of unmatched suppressions (from Settings::Suppressions::getUnmatched(Local|Global)Suppressions)
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* @return true is returned if errors are reported
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*/
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bool reportUnmatchedSuppressions(const std::list<Suppressions::Suppression> &unmatched);
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static std::string callStackToString(const std::list<ErrorMessage::FileLocation> &callStack);
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/**
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* Convert XML-sensitive characters into XML entities
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* @param str The input string containing XML-sensitive characters
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* @return The output string containing XML entities
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*/
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static std::string toxml(const std::string &str);
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static std::string plistHeader(const std::string &version, const std::vector<std::string> &files);
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static std::string plistData(const ErrorMessage &msg);
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static const char *plistFooter() {
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return " </array>\r\n"
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"</dict>\r\n"
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"</plist>";
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}
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};
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/** Replace substring. Example replaceStr("1,NR,3", "NR", "2") => "1,2,3" */
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std::string replaceStr(std::string s, const std::string &from, const std::string &to);
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/// @}
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//---------------------------------------------------------------------------
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#endif // errorloggerH
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