134 lines
4.3 KiB
C++
134 lines
4.3 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2023 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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#include "check.h"
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#include "errorlogger.h"
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#include "settings.h"
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#include "token.h"
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#include "tokenize.h"
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#include "vfvalue.h"
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#include <algorithm>
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#include <cctype>
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#include <iostream>
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#include <stdexcept>
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#include <utility>
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//---------------------------------------------------------------------------
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Check::Check(const std::string &aname)
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: mName(aname)
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{
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{
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const auto it = std::find_if(instances().begin(), instances().end(), [&](const Check *i) {
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return i->name() == aname;
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});
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if (it != instances().end())
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throw std::runtime_error("'" + aname + "' instance already exists");
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}
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// make sure the instances are sorted
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const auto it = std::find_if(instances().begin(), instances().end(), [&](const Check* i) {
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return i->name() > aname;
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});
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if (it == instances().end())
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instances().push_back(this);
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else
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instances().insert(it, this);
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}
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void Check::writeToErrorList(const ErrorMessage &errmsg)
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{
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std::cout << errmsg.toXML() << std::endl;
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}
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void Check::reportError(const std::list<const Token *> &callstack, Severity severity, const std::string &id, const std::string &msg, const CWE &cwe, Certainty certainty)
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{
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const ErrorMessage errmsg(callstack, mTokenizer ? &mTokenizer->list : nullptr, severity, id, msg, cwe, certainty);
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if (mErrorLogger)
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mErrorLogger->reportErr(errmsg);
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else
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writeToErrorList(errmsg);
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}
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void Check::reportError(const ErrorPath &errorPath, Severity severity, const char id[], const std::string &msg, const CWE &cwe, Certainty certainty)
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{
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const ErrorMessage errmsg(errorPath, mTokenizer ? &mTokenizer->list : nullptr, severity, id, msg, cwe, certainty);
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if (mErrorLogger)
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mErrorLogger->reportErr(errmsg);
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else
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writeToErrorList(errmsg);
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}
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bool Check::wrongData(const Token *tok, const char *str)
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{
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if (mSettings->daca)
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reportError(tok, Severity::debug, "DacaWrongData", "Wrong data detected by condition " + std::string(str));
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return true;
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}
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std::list<Check *> &Check::instances()
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{
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#if defined(__SVR4) || defined(__amigaos4__)
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// Under Solaris, destructors are called in wrong order which causes a segmentation fault.
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// This fix ensures pointer remains valid and reachable until program terminates.
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static std::list<Check *> *_instances= new std::list<Check *>;
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return *_instances;
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#else
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static std::list<Check *> _instances;
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return _instances;
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#endif
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}
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std::string Check::getMessageId(const ValueFlow::Value &value, const char id[])
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{
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if (value.condition != nullptr)
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return id + std::string("Cond");
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if (value.safe)
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return std::string("safe") + (char)std::toupper(id[0]) + (id + 1);
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return id;
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}
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ErrorPath Check::getErrorPath(const Token* errtok, const ValueFlow::Value* value, std::string bug) const
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{
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ErrorPath errorPath;
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if (!value) {
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errorPath.emplace_back(errtok, std::move(bug));
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} else if (mSettings->verbose || mSettings->xml || !mSettings->templateLocation.empty()) {
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errorPath = value->errorPath;
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errorPath.emplace_back(errtok, std::move(bug));
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} else {
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if (value->condition)
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errorPath.emplace_back(value->condition, "condition '" + value->condition->expressionString() + "'");
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//else if (!value->isKnown() || value->defaultArg)
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// errorPath = value->callstack;
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errorPath.emplace_back(errtok, std::move(bug));
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}
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return errorPath;
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}
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void Check::logChecker(const char id[])
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{
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reportError(nullptr, Severity::internal, "logChecker", id);
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}
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