287 lines
9.4 KiB
C++
287 lines
9.4 KiB
C++
/*
|
|
* Cppcheck - A tool for static C/C++ code analysis
|
|
* Copyright (C) 2007-2011 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_, std::size_t 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 */
|
|
std::size_t 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 hasDefaultConstructor() const;
|
|
|
|
private:
|
|
/**
|
|
* @brief helper function for getVarList()
|
|
* @param tok pointer to token to check
|
|
* @param vartok populated with pointer to the variable token, if found
|
|
* @param typetok populated with pointer to the type token, if found
|
|
* @return true if tok points to a variable declaration, false otherwise
|
|
*/
|
|
bool isVariableDeclaration(const Token* tok, const Token*& vartok, const Token*& typetok) const;
|
|
};
|
|
|
|
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;
|
|
|
|
/**
|
|
* @brief find a variable type if it's a user defined type
|
|
* @param start scope to start looking in
|
|
* @param type token containing variable type
|
|
* @return pointer to type if found or NULL if not found
|
|
*/
|
|
const SpaceInfo *findVarType(const SpaceInfo *start, const Token *type) const;
|
|
|
|
private:
|
|
|
|
// Needed by Borland C++:
|
|
friend class SpaceInfo;
|
|
|
|
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 Tokenizer *_tokenizer;
|
|
const Settings *_settings;
|
|
ErrorLogger *_errorLogger;
|
|
};
|
|
|
|
#endif
|
|
|