81 lines
3.7 KiB
C++
81 lines
3.7 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2015 Daniel Marjamäki and 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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// Obsolete functions
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//---------------------------------------------------------------------------
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#include "checkobsolescentfunctions.h"
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#include "symboldatabase.h"
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//---------------------------------------------------------------------------
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// Register this check class (by creating a static instance of it)
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namespace {
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CheckObsoleteFunctions instance;
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}
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void CheckObsoleteFunctions::obsoleteFunctions()
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{
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if (!_settings->isEnabled("style"))
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return;
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const SymbolDatabase *symbolDatabase = _tokenizer->getSymbolDatabase();
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const bool cStandard = _settings->standards.c >= Standards::C99 ;
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// Functions defined somewhere?
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for (unsigned int i = 0; i < symbolDatabase->functionScopes.size(); i++) {
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const Scope* scope = symbolDatabase->functionScopes[i];
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_obsoleteStandardFunctions.erase(scope->className);
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_obsoletePosixFunctions.erase(scope->className);
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_obsoleteC99Functions.erase(scope->className);
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}
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for (unsigned int i = 0; i < symbolDatabase->functionScopes.size(); i++) {
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const Scope* scope = symbolDatabase->functionScopes[i];
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for (const Token* tok = scope->classStart; tok != scope->classEnd; tok = tok->next()) {
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if (tok->isName() && tok->varId()==0 && (tok->next() && tok->next()->str() == "(") &&
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(!Token::Match(tok->previous(), ".|::") || Token::simpleMatch(tok->tokAt(-2), "std ::"))) {
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std::map<std::string,std::string>::const_iterator it = _obsoleteStandardFunctions.find(tok->str());
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if (it != _obsoleteStandardFunctions.end()) {
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// If checking an old code base it might be uninteresting to update obsolete functions.
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reportError(tok, Severity::style, "obsoleteFunctions"+it->first, it->second);
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} else {
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if (_settings->standards.posix) {
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it = _obsoletePosixFunctions.find(tok->str());
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if (it != _obsoletePosixFunctions.end()) {
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// If checking an old code base it might be uninteresting to update obsolete functions.
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reportError(tok, Severity::style, "obsoleteFunctions"+it->first, it->second);
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}
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}
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if (cStandard) {
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// alloca : this function is obsolete in C but not in C++ (#4382)
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it = _obsoleteC99Functions.find(tok->str());
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if (it != _obsoleteC99Functions.end() && !(tok->str() == "alloca" && _tokenizer->isCPP())) {
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reportError(tok, Severity::style, "obsoleteFunctions"+it->first, it->second);
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}
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}
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}
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}
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}
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}
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}
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//---------------------------------------------------------------------------
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