Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

265 lines (217 sloc) 8.764 kb
/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2010 Daniel Marjamäki and 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 SymbolDatabaseH
#define SymbolDatabaseH
//---------------------------------------------------------------------------
#include <string>
#include <list>
#include <vector>
class Token;
class Tokenizer;
class Settings;
class ErrorLogger;
class SymbolDatabase
{
public:
/**
* @brief Access control.
*/
enum AccessControl { Public, Protected, Private };
SymbolDatabase(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger);
~SymbolDatabase();
class SpaceInfo;
/** @brief Information about a member variable. Used when checking for uninitialized variables */
class Var
{
public:
Var(const Token *token_, unsigned int index_, AccessControl access_, bool mutable_, bool static_, bool const_, bool class_, const SpaceInfo *type_)
: token(token_),
index(index_),
assign(false),
init(false),
access(access_),
isMutable(mutable_),
isStatic(static_),
isConst(const_),
isClass(class_),
type(type_)
{
}
/** @brief variable token */
const Token *token;
/** @brief order declared */
unsigned int index;
/** @brief has this variable been assigned? */
bool assign;
/** @brief has this variable been initialized? */
bool init;
/** @brief what section is this variable declared in? */
AccessControl access; // public/protected/private
/** @brief is this variable mutable? */
bool isMutable;
/** @brief is this variable static? */
bool isStatic;
/** @brief is this variable const? */
bool isConst;
/** @brief is this variable a class (or unknown type)? */
bool isClass;
/** @brief pointer to user defined type info (for known types) */
const SpaceInfo *type;
};
class Func
{
public:
enum Type { Constructor, CopyConstructor, OperatorEqual, Destructor, Function };
Func()
: tokenDef(NULL),
argDef(NULL),
token(NULL),
arg(NULL),
access(Public),
hasBody(false),
isInline(false),
isConst(false),
isVirtual(false),
isPure(false),
isStatic(false),
isFriend(false),
isExplicit(false),
isOperator(false),
retFuncPtr(false),
type(Function)
{
}
const Token *tokenDef; // function name token in class definition
const Token *argDef; // function argument start '(' in class definition
const Token *token; // function name token in implementation
const Token *arg; // function argument start '('
AccessControl access; // public/protected/private
bool hasBody; // has implementation
bool isInline; // implementation in class definition
bool isConst; // is const
bool isVirtual; // is virtual
bool isPure; // is pure virtual
bool isStatic; // is static
bool isFriend; // is friend
bool isExplicit; // is explicit
bool isOperator; // is operator
bool retFuncPtr; // returns function pointer
Type type; // constructor, destructor, ...
};
struct BaseInfo
{
AccessControl access; // public/protected/private
std::string name;
SpaceInfo *spaceInfo;
};
struct FriendInfo
{
std::string name;
SpaceInfo *spaceInfo;
};
class SpaceInfo
{
public:
enum SpaceType { Global, Class, Struct, Union, Namespace, Function };
enum NeedInitialization { Unknown, True, False };
SpaceInfo(SymbolDatabase *check_, const Token *classDef_, SpaceInfo *nestedIn_);
SymbolDatabase *check;
SpaceType type;
std::string className;
const Token *classDef; // class/struct/union/namespace token
const Token *classStart; // '{' token
const Token *classEnd; // '}' token
std::list<Func> functionList;
std::list<Var> varlist;
std::vector<BaseInfo> derivedFrom;
std::list<FriendInfo> friendList;
SpaceInfo *nestedIn;
std::list<SpaceInfo *> nestedList;
AccessControl access;
unsigned int numConstructors;
NeedInitialization needInitialization;
SpaceInfo * functionOf; // class/struct this function belongs to
bool isClassOrStruct() const
{
return (type == Class || type == Struct);
}
/**
* @brief find if name is in nested list
* @param name name of nested space
*/
SpaceInfo * findInNestedList(const std::string & name);
/**
* @brief assign a variable in the varlist
* @param varname name of variable to mark assigned
*/
void assignVar(const std::string &varname);
/**
* @brief initialize a variable in the varlist
* @param varname name of variable to mark initialized
*/
void initVar(const std::string &varname);
void addVar(const Token *token_, AccessControl access_, bool mutable_, bool static_, bool const_, bool class_, const SpaceInfo *type_)
{
varlist.push_back(Var(token_, varlist.size(), access_, mutable_, static_, const_, class_, type_));
}
/**
* @brief set all variables in list assigned
*/
void assignAllVar();
/**
* @brief set all variables in list not assigned and not initialized
*/
void clearAllVar();
/** @brief initialize varlist */
void getVarList();
/**
* @brief parse a scope for a constructor or member function and set the "init" flags in the provided varlist
* @param func reference to the function that should be checked
* @param callstack the function doesn't look into recursive function calls.
*/
void initializeVarList(const Func &func, std::list<std::string> &callstack);
const Func *getDestructor() const;
/**
* @brief get the number of nested spaces that are not functions
*
* This returns the number of user defined types (class, struct, union)
* that are defined in this user defined type or namespace.
*/
unsigned int getNestedNonFunctions() const;
bool isBaseClassFunc(const Token *tok);
};
bool isMemberVar(const SpaceInfo *info, const Token *tok);
bool isConstMemberFunc(const SpaceInfo *info, const Token *tok);
bool checkConstFunc(const SpaceInfo *info, const Token *tok);
const Token *initBaseInfo(SpaceInfo *info, const Token *tok);
/** @brief check if this function is virtual in the base classes */
bool isVirtualFunc(const SymbolDatabase::SpaceInfo *info, const Token *functionToken) const;
/** @brief Information about all namespaces/classes/structrues */
std::list<SpaceInfo *> spaceInfoList;
private:
void addFunction(SpaceInfo **info, const Token **tok, const Token *argStart);
void addNewFunction(SpaceInfo **info, const Token **tok);
bool isFunction(const Token *tok, const Token **funcStart, const Token **argStart) const;
bool argsMatch(const SpaceInfo *info, const Token *first, const Token *second, const std::string &path, unsigned int depth) const;
const SpaceInfo *findVarType(const SpaceInfo *start, const Token *type) const;
const Tokenizer *_tokenizer;
const Settings *_settings;
ErrorLogger *_errorLogger;
};
#endif
Jump to Line
Something went wrong with that request. Please try again.