150 lines
4.5 KiB
C++
150 lines
4.5 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2013 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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#ifndef libraryH
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#define libraryH
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#include "config.h"
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#include <map>
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#include <set>
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#include <string>
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/// @addtogroup Core
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/// @{
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/**
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* @brief Library definitions handling
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*/
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class CPPCHECKLIB Library {
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public:
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Library();
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Library(const Library &);
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~Library();
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bool load(const char exename[], const char path[]);
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/** get allocation id for function (by name) */
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int alloc(const std::string &name) const {
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return getid(_alloc, name);
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}
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/** get deallocation id for function (by name) */
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int dealloc(const std::string &name) const {
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return getid(_dealloc, name);
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}
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/** set allocation id for function */
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void setalloc(const std::string &functionname, int id) {
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_alloc[functionname] = id;
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}
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void setdealloc(const std::string &functionname, int id) {
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_dealloc[functionname] = id;
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}
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/** add noreturn function setting */
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void setnoreturn(const std::string& funcname, bool noreturn) {
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_noreturn[funcname] = noreturn;
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}
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/** is allocation type memory? */
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static bool ismemory(int id) {
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return ((id > 0) && ((id & 1) == 0));
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}
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/** is allocation type resource? */
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static bool isresource(int id) {
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return ((id > 0) && ((id & 1) == 1));
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}
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std::set<std::string> use;
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std::set<std::string> leakignore;
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bool isnoreturn(const std::string &name) const {
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std::map<std::string,bool>::const_iterator it = _noreturn.find(name);
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return (it != _noreturn.end() && it->second);
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}
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bool isnotnoreturn(const std::string &name) const {
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std::map<std::string,bool>::const_iterator it = _noreturn.find(name);
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return (it != _noreturn.end() && !it->second);
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}
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struct ArgumentChecks {
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ArgumentChecks() {
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notnull = notuninit = formatstr = strz = false;
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}
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bool notnull;
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bool notuninit;
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bool formatstr;
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bool strz;
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};
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// function name, argument nr => argument data
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std::map<std::string, std::map<int, ArgumentChecks> > argumentChecks;
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bool isnullargbad(const std::string &functionName, int argnr) const {
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const ArgumentChecks *arg = getarg(functionName,argnr);
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return arg && arg->notnull;
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}
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bool isuninitargbad(const std::string &functionName, int argnr) const {
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const ArgumentChecks *arg = getarg(functionName,argnr);
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return arg && arg->notuninit;
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}
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bool isargformatstr(const std::string &functionName, int argnr) const {
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const ArgumentChecks *arg = getarg(functionName,argnr);
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return arg && arg->formatstr;
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}
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bool isargstrz(const std::string &functionName, int argnr) const {
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const ArgumentChecks *arg = getarg(functionName,argnr);
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return arg && arg->strz;
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}
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std::set<std::string> returnuninitdata;
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private:
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int allocid;
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std::map<std::string, int> _alloc; // allocation functions
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std::map<std::string, int> _dealloc; // deallocation functions
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std::map<std::string, bool> _noreturn; // is function noreturn?
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const ArgumentChecks * getarg(const std::string &functionName, int argnr) const {
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std::map<std::string, std::map<int, ArgumentChecks> >::const_iterator it1;
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it1 = argumentChecks.find(functionName);
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if (it1 != argumentChecks.end()) {
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const std::map<int,ArgumentChecks>::const_iterator it2 = it1->second.find(argnr);
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if (it2 != it1->second.end())
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return &it2->second;
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}
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return NULL;
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}
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static int getid(const std::map<std::string,int> &data, const std::string &name) {
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const std::map<std::string,int>::const_iterator it = data.find(name);
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return (it == data.end()) ? 0 : it->second;
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}
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};
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/// @}
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#endif // libraryH
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