1035 lines
30 KiB
C++
1035 lines
30 KiB
C++
/*
|
|
* Cppcheck - A tool for static C/C++ code analysis
|
|
* Copyright (C) 2007-2015 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>
|
|
#include <set>
|
|
#include <algorithm>
|
|
#include <map>
|
|
|
|
#include "config.h"
|
|
#include "token.h"
|
|
#include "mathlib.h"
|
|
#include "utils.h"
|
|
|
|
class Tokenizer;
|
|
class Settings;
|
|
class ErrorLogger;
|
|
class Library;
|
|
|
|
class Scope;
|
|
class SymbolDatabase;
|
|
|
|
/**
|
|
* @brief Access control enumerations.
|
|
*/
|
|
enum AccessControl { Public, Protected, Private, Global, Namespace, Argument, Local, Throw };
|
|
|
|
/**
|
|
* @brief Array dimension information.
|
|
*/
|
|
struct Dimension {
|
|
Dimension() : start(NULL), end(NULL), num(0), known(true) { }
|
|
|
|
const Token *start; // size start token
|
|
const Token *end; // size end token
|
|
MathLib::bigint num; // (assumed) dimension length when size is a number, 0 if not known
|
|
bool known; // Known size
|
|
};
|
|
|
|
/** @brief Information about a class type. */
|
|
class CPPCHECKLIB Type {
|
|
public:
|
|
const Token* classDef; // Points to "class" token
|
|
const Scope* classScope;
|
|
const Scope* enclosingScope;
|
|
enum NeedInitialization {
|
|
Unknown, True, False
|
|
} needInitialization;
|
|
|
|
class BaseInfo {
|
|
public:
|
|
BaseInfo() :
|
|
type(NULL), nameTok(NULL), access(Public), isVirtual(false) {
|
|
}
|
|
|
|
std::string name;
|
|
const Type* type;
|
|
const Token* nameTok;
|
|
AccessControl access; // public/protected/private
|
|
bool isVirtual;
|
|
// allow ordering within containers
|
|
bool operator<(const BaseInfo& rhs) const {
|
|
return this->type < rhs.type;
|
|
}
|
|
};
|
|
|
|
struct FriendInfo {
|
|
FriendInfo() :
|
|
nameStart(NULL), nameEnd(NULL), type(NULL) {
|
|
}
|
|
|
|
const Token* nameStart;
|
|
const Token* nameEnd;
|
|
std::string name;
|
|
const Type* type;
|
|
};
|
|
|
|
std::vector<BaseInfo> derivedFrom;
|
|
std::list<FriendInfo> friendList;
|
|
|
|
Type(const Token* classDef_ = 0, const Scope* classScope_ = 0, const Scope* enclosingScope_ = 0) :
|
|
classDef(classDef_),
|
|
classScope(classScope_),
|
|
enclosingScope(enclosingScope_),
|
|
needInitialization(Unknown) {
|
|
}
|
|
|
|
const std::string& name() const {
|
|
const Token* next = classDef->next();
|
|
if (next->isName())
|
|
return next->str();
|
|
return emptyString;
|
|
}
|
|
|
|
const Token *initBaseInfo(const Token *tok, const Token *tok1);
|
|
|
|
const Function* getFunction(const std::string& funcName) const;
|
|
|
|
/**
|
|
* Check for circulare dependencies, i.e. loops within the class hierarchie
|
|
* @param anchestors list of anchestors. For internal usage only, clients should not supply this argument.
|
|
* @return true if there is a circular dependency
|
|
*/
|
|
bool hasCircularDependencies(std::set<BaseInfo>* anchestors = nullptr) const;
|
|
|
|
/**
|
|
* Check for dependency
|
|
* @param anchestor potential anchestor
|
|
* @return true if there is a dependency
|
|
*/
|
|
bool findDependency(const Type* anchestor) const;
|
|
};
|
|
|
|
/** @brief Information about a member variable. */
|
|
class CPPCHECKLIB Variable {
|
|
/** @brief flags mask used to access specific bit. */
|
|
enum {
|
|
fIsMutable = (1 << 0), /** @brief mutable variable */
|
|
fIsStatic = (1 << 1), /** @brief static variable */
|
|
fIsConst = (1 << 2), /** @brief const variable */
|
|
fIsExtern = (1 << 3), /** @brief extern variable */
|
|
fIsClass = (1 << 4), /** @brief user defined type */
|
|
fIsArray = (1 << 5), /** @brief array variable */
|
|
fIsPointer = (1 << 6), /** @brief pointer variable */
|
|
fIsReference = (1 << 7), /** @brief reference variable */
|
|
fIsRValueRef = (1 << 8), /** @brief rvalue reference variable */
|
|
fHasDefault = (1 << 9), /** @brief function argument with default value */
|
|
fIsStlType = (1 << 10), /** @brief STL type ('std::') */
|
|
fIsStlString = (1 << 11), /** @brief std::string|wstring|basic_string<T>|u16string|u32string */
|
|
fIsIntType = (1 << 12), /** @brief Integral type */
|
|
fIsFloatType = (1 << 13) /** @brief Floating point type */
|
|
};
|
|
|
|
/**
|
|
* Get specified flag state.
|
|
* @param flag_ flag to get state of
|
|
* @return true if flag set or false in flag not set
|
|
*/
|
|
bool getFlag(unsigned int flag_) const {
|
|
return bool((_flags & flag_) != 0);
|
|
}
|
|
|
|
/**
|
|
* Set specified flag state.
|
|
* @param flag_ flag to set state
|
|
* @param state_ new state of flag
|
|
*/
|
|
void setFlag(unsigned int flag_, bool state_) {
|
|
_flags = state_ ? _flags | flag_ : _flags & ~flag_;
|
|
}
|
|
|
|
/**
|
|
* @brief parse and save array dimension information
|
|
* @param lib Library instance
|
|
* @return true if array, false if not
|
|
*/
|
|
bool arrayDimensions(const Library* lib);
|
|
|
|
public:
|
|
Variable(const Token *name_, const Token *start_, const Token *end_,
|
|
std::size_t index_, AccessControl access_, const Type *type_,
|
|
const Scope *scope_, const Library* lib)
|
|
: _name(name_),
|
|
_start(start_),
|
|
_end(end_),
|
|
_index(index_),
|
|
_access(access_),
|
|
_flags(0),
|
|
_type(type_),
|
|
_scope(scope_) {
|
|
evaluate(lib);
|
|
}
|
|
|
|
/**
|
|
* Get name token.
|
|
* @return name token
|
|
*/
|
|
const Token *nameToken() const {
|
|
return _name;
|
|
}
|
|
|
|
/**
|
|
* Get type start token.
|
|
* The type start token doesn't account 'static' and 'const' qualifiers
|
|
* E.g.:
|
|
* static const int * const p = ...;
|
|
* type start token ^
|
|
* @return type start token
|
|
*/
|
|
const Token *typeStartToken() const {
|
|
return _start;
|
|
}
|
|
|
|
/**
|
|
* Get type end token.
|
|
* The type end token doesn't account the forward 'const' qualifier
|
|
* E.g.:
|
|
* static const int * const p = ...;
|
|
* type end token ^
|
|
* @return type end token
|
|
*/
|
|
const Token *typeEndToken() const {
|
|
return _end;
|
|
}
|
|
|
|
/**
|
|
* Get end token of variable declaration
|
|
* E.g.
|
|
* int i[2][3] = ...
|
|
* end token ^
|
|
* @return variable declaration end token
|
|
*/
|
|
const Token *declEndToken() const;
|
|
|
|
/**
|
|
* Get name string.
|
|
* @return name string
|
|
*/
|
|
const std::string &name() const {
|
|
// name may not exist for function arguments
|
|
if (_name)
|
|
return _name->str();
|
|
|
|
return emptyString;
|
|
}
|
|
|
|
/**
|
|
* Get declaration ID (varId used for variable in its declaration).
|
|
* @return declaration ID
|
|
*/
|
|
unsigned int declarationId() const {
|
|
// name may not exist for function arguments
|
|
if (_name)
|
|
return _name->varId();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Get index of variable in declared order.
|
|
* @return variable index
|
|
*/
|
|
std::size_t index() const {
|
|
return _index;
|
|
}
|
|
|
|
/**
|
|
* Is variable public.
|
|
* @return true if public, false if not
|
|
*/
|
|
bool isPublic() const {
|
|
return _access == Public;
|
|
}
|
|
|
|
/**
|
|
* Is variable protected.
|
|
* @return true if protected, false if not
|
|
*/
|
|
bool isProtected() const {
|
|
return _access == Protected;
|
|
}
|
|
|
|
/**
|
|
* Is variable private.
|
|
* @return true if private, false if not
|
|
*/
|
|
bool isPrivate() const {
|
|
return _access == Private;
|
|
}
|
|
|
|
/**
|
|
* Is variable global.
|
|
* @return true if global, false if not
|
|
*/
|
|
bool isGlobal() const {
|
|
return _access == Global;
|
|
}
|
|
|
|
/**
|
|
* Is variable in a namespace.
|
|
* @return true if in a namespace, false if not
|
|
*/
|
|
bool isNamespace() const {
|
|
return _access == Namespace;
|
|
}
|
|
|
|
/**
|
|
* Is variable a function argument.
|
|
* @return true if a function argument, false if not
|
|
*/
|
|
bool isArgument() const {
|
|
return _access == Argument;
|
|
}
|
|
|
|
/**
|
|
* Is variable local.
|
|
* @return true if local, false if not
|
|
*/
|
|
bool isLocal() const {
|
|
return (_access == Local) && !isExtern();
|
|
}
|
|
|
|
/**
|
|
* Is variable mutable.
|
|
* @return true if mutable, false if not
|
|
*/
|
|
bool isMutable() const {
|
|
return getFlag(fIsMutable);
|
|
}
|
|
|
|
/**
|
|
* Is variable static.
|
|
* @return true if static, false if not
|
|
*/
|
|
bool isStatic() const {
|
|
return getFlag(fIsStatic);
|
|
}
|
|
|
|
/**
|
|
* Is variable extern.
|
|
* @return true if extern, false if not
|
|
*/
|
|
bool isExtern() const {
|
|
return getFlag(fIsExtern);
|
|
}
|
|
|
|
/**
|
|
* Is variable const.
|
|
* @return true if const, false if not
|
|
*/
|
|
bool isConst() const {
|
|
return getFlag(fIsConst);
|
|
}
|
|
|
|
/**
|
|
* Is variable a throw type.
|
|
* @return true if throw type, false if not
|
|
*/
|
|
bool isThrow() const {
|
|
return _access == Throw;
|
|
}
|
|
|
|
/**
|
|
* Is variable a user defined (or unknown) type.
|
|
* @return true if user defined type, false if not
|
|
*/
|
|
bool isClass() const {
|
|
return getFlag(fIsClass);
|
|
}
|
|
|
|
/**
|
|
* Is variable an array.
|
|
* @return true if array, false if not
|
|
*/
|
|
bool isArray() const {
|
|
return getFlag(fIsArray) && !getFlag(fIsPointer);
|
|
}
|
|
|
|
/**
|
|
* Is pointer variable.
|
|
* @return true if pointer, false otherwise
|
|
*/
|
|
bool isPointer() const {
|
|
return getFlag(fIsPointer);
|
|
}
|
|
|
|
/**
|
|
* Is variable a pointer to an array
|
|
* @return true if pointer to array, false otherwise
|
|
*/
|
|
bool isPointerToArray() const {
|
|
return isPointer() && getFlag(fIsArray);
|
|
}
|
|
|
|
/**
|
|
* Is array or pointer variable.
|
|
* @return true if pointer or array, false otherwise
|
|
*/
|
|
bool isArrayOrPointer() const {
|
|
return getFlag(fIsArray) || getFlag(fIsPointer);
|
|
}
|
|
|
|
/**
|
|
* Is reference variable.
|
|
* @return true if reference, false otherwise
|
|
*/
|
|
bool isReference() const {
|
|
return getFlag(fIsReference);
|
|
}
|
|
|
|
/**
|
|
* Is reference variable.
|
|
* @return true if reference, false otherwise
|
|
*/
|
|
bool isRValueReference() const {
|
|
return getFlag(fIsRValueRef);
|
|
}
|
|
|
|
/**
|
|
* Does variable have a default value.
|
|
* @return true if has a default falue, false if not
|
|
*/
|
|
bool hasDefault() const {
|
|
return getFlag(fHasDefault);
|
|
}
|
|
|
|
/**
|
|
* Get Type pointer of known type.
|
|
* @return pointer to type if known, NULL if not known
|
|
*/
|
|
const Type *type() const {
|
|
return _type;
|
|
}
|
|
|
|
/**
|
|
* Get Scope pointer of known type.
|
|
* @return pointer to type scope if known, NULL if not known
|
|
*/
|
|
const Scope *typeScope() const {
|
|
return _type ? _type->classScope : 0;
|
|
}
|
|
|
|
/**
|
|
* Get Scope pointer of enclosing scope.
|
|
* @return pointer to enclosing scope
|
|
*/
|
|
const Scope *scope() const {
|
|
return _scope;
|
|
}
|
|
|
|
/**
|
|
* Get array dimensions.
|
|
* @return array dimensions vector
|
|
*/
|
|
const std::vector<Dimension> &dimensions() const {
|
|
return _dimensions;
|
|
}
|
|
|
|
/**
|
|
* Get array dimension length.
|
|
* @return length of dimension
|
|
*/
|
|
MathLib::bigint dimension(std::size_t index_) const {
|
|
return _dimensions[index_].num;
|
|
}
|
|
|
|
/**
|
|
* Get array dimension known.
|
|
* @return length of dimension known
|
|
*/
|
|
bool dimensionKnown(std::size_t index_) const {
|
|
return _dimensions[index_].known;
|
|
}
|
|
|
|
/**
|
|
* Checks if the variable is an STL type ('std::')
|
|
* E.g.:
|
|
* std::string s;
|
|
* ...
|
|
* sVar->isStlType() == true
|
|
* @return true if it is an stl type and its type matches any of the types in 'stlTypes'
|
|
*/
|
|
bool isStlType() const {
|
|
return getFlag(fIsStlType);
|
|
}
|
|
|
|
/**
|
|
* Checks if the variable is an STL type ('std::')
|
|
* E.g.:
|
|
* std::string s;
|
|
* ...
|
|
* sVar->isStlType() == true
|
|
* @return true if it is an stl type and its type matches any of the types in 'stlTypes'
|
|
*/
|
|
bool isStlStringType() const {
|
|
return getFlag(fIsStlString);
|
|
}
|
|
|
|
/**
|
|
* Checks if the variable is of any of the STL types passed as arguments ('std::')
|
|
* E.g.:
|
|
* std::string s;
|
|
* ...
|
|
* const char *str[] = {"string", "wstring"};
|
|
* sVar->isStlType(str) == true
|
|
* @param stlType stl type
|
|
* @return true if it is an stl type and its type matches any of the types in 'stlTypes'
|
|
*/
|
|
bool isStlType(const std::string& stlType) const {
|
|
return isStlType() && stlType==_start->strAt(2);
|
|
}
|
|
|
|
/**
|
|
* Checks if the variable is of any of the STL types passed as arguments ('std::')
|
|
* E.g.:
|
|
* std::string s;
|
|
* ...
|
|
* const std::set<std::string> str = make_container< std::set<std::string> >() << "string" << "wstring";
|
|
* sVar->isStlType(str) == true
|
|
* @param stlTypes set of stl types
|
|
* @return true if it is an stl type and its type matches any of the types in 'stlTypes'
|
|
*/
|
|
bool isStlType(const std::set<std::string>& stlTypes) const {
|
|
return isStlType() && stlTypes.find(_start->strAt(2))!=stlTypes.end();
|
|
}
|
|
|
|
/**
|
|
* Determine whether it's a floating number type
|
|
* @return true if the type is known and it's a floating type (float, double and long double) or a pointer/array to it
|
|
*/
|
|
bool isFloatingType() const {
|
|
return getFlag(fIsFloatType);
|
|
}
|
|
|
|
/**
|
|
* Determine whether it's an integral number type
|
|
* @return true if the type is known and it's an integral type (bool, char, short, int, long long and their unsigned counter parts) or a pointer/array to it
|
|
*/
|
|
bool isIntegralType() const {
|
|
return getFlag(fIsIntType);
|
|
}
|
|
|
|
|
|
private:
|
|
// only symbol database can change the type
|
|
friend class SymbolDatabase;
|
|
|
|
/**
|
|
* Set Type pointer to known type.
|
|
* @param t type
|
|
*/
|
|
void type(const Type * t) {
|
|
_type = t;
|
|
}
|
|
|
|
/** @brief variable name token */
|
|
const Token *_name;
|
|
|
|
/** @brief variable type start token */
|
|
const Token *_start;
|
|
|
|
/** @brief variable type end token */
|
|
const Token *_end;
|
|
|
|
/** @brief order declared */
|
|
std::size_t _index;
|
|
|
|
/** @brief what section is this variable declared in? */
|
|
AccessControl _access; // public/protected/private
|
|
|
|
/** @brief flags */
|
|
unsigned int _flags;
|
|
|
|
/** @brief pointer to user defined type info (for known types) */
|
|
const Type *_type;
|
|
|
|
/** @brief pointer to scope this variable is in */
|
|
const Scope *_scope;
|
|
|
|
/** @brief array dimensions */
|
|
std::vector<Dimension> _dimensions;
|
|
|
|
/** @brief fill in information, depending on Tokens given at instantiation */
|
|
void evaluate(const Library* lib);
|
|
};
|
|
|
|
class CPPCHECKLIB Function {
|
|
/** @brief flags mask used to access specific bit. */
|
|
enum {
|
|
fHasBody = (1 << 0), /** @brief has implementation */
|
|
fIsInline = (1 << 1), /** @brief implementation in class definition */
|
|
fIsConst = (1 << 2), /** @brief is const */
|
|
fIsVirtual = (1 << 3), /** @brief is virtual */
|
|
fIsPure = (1 << 4), /** @brief is pure virtual */
|
|
fIsStatic = (1 << 5), /** @brief is static */
|
|
fIsStaticLocal = (1 << 6), /** @brief is static local */
|
|
fIsExtern = (1 << 7), /** @brief is extern */
|
|
fIsFriend = (1 << 8), /** @brief is friend */
|
|
fIsExplicit = (1 << 9), /** @brief is explicit */
|
|
fIsDefault = (1 << 10), /** @brief is default */
|
|
fIsDelete = (1 << 11), /** @brief is delete */
|
|
fIsNoExcept = (1 << 12), /** @brief is noexcept */
|
|
fIsThrow = (1 << 13), /** @brief is throw */
|
|
fIsOperator = (1 << 14) /** @brief is operator */
|
|
};
|
|
|
|
/**
|
|
* Get specified flag state.
|
|
* @param flag flag to get state of
|
|
* @return true if flag set or false in flag not set
|
|
*/
|
|
bool getFlag(unsigned int flag) const {
|
|
return bool((flags & flag) != 0);
|
|
}
|
|
|
|
/**
|
|
* Set specified flag state.
|
|
* @param flag flag to set state
|
|
* @param state new state of flag
|
|
*/
|
|
void setFlag(unsigned int flag, bool state) {
|
|
flags = state ? flags | flag : flags & ~flag;
|
|
}
|
|
|
|
public:
|
|
enum Type { eConstructor, eCopyConstructor, eMoveConstructor, eOperatorEqual, eDestructor, eFunction };
|
|
|
|
Function()
|
|
: tokenDef(NULL),
|
|
argDef(NULL),
|
|
token(NULL),
|
|
arg(NULL),
|
|
retDef(NULL),
|
|
retType(NULL),
|
|
functionScope(NULL),
|
|
nestedIn(NULL),
|
|
initArgCount(0),
|
|
type(eFunction),
|
|
access(Public),
|
|
noexceptArg(nullptr),
|
|
throwArg(nullptr),
|
|
flags(0) {
|
|
}
|
|
|
|
const std::string &name() const {
|
|
return tokenDef->str();
|
|
}
|
|
|
|
std::size_t argCount() const {
|
|
return argumentList.size();
|
|
}
|
|
std::size_t minArgCount() const {
|
|
return argumentList.size() - initArgCount;
|
|
}
|
|
const Variable* getArgumentVar(std::size_t num) const;
|
|
unsigned int initializedArgCount() const {
|
|
return initArgCount;
|
|
}
|
|
void addArguments(const SymbolDatabase *symbolDatabase, const Scope *scope);
|
|
/** @brief check if this function is virtual in the base classes */
|
|
bool isImplicitlyVirtual(bool defaultVal = false) const;
|
|
|
|
bool isConstructor() const {
|
|
return type==eConstructor ||
|
|
type==eCopyConstructor ||
|
|
type==eMoveConstructor;
|
|
}
|
|
|
|
bool isDestructor() const {
|
|
return type==eDestructor;
|
|
}
|
|
bool isAttributeConstructor() const {
|
|
return tokenDef->isAttributeConstructor();
|
|
}
|
|
bool isAttributeDestructor() const {
|
|
return tokenDef->isAttributeDestructor();
|
|
}
|
|
bool isAttributePure() const {
|
|
return tokenDef->isAttributePure();
|
|
}
|
|
bool isAttributeConst() const {
|
|
return tokenDef->isAttributeConst();
|
|
}
|
|
bool isAttributeNoreturn() const {
|
|
return tokenDef->isAttributeNoreturn();
|
|
}
|
|
bool isAttributeNothrow() const {
|
|
return tokenDef->isAttributeNothrow();
|
|
}
|
|
|
|
bool hasBody() const {
|
|
return getFlag(fHasBody);
|
|
}
|
|
bool isInline() const {
|
|
return getFlag(fIsInline);
|
|
}
|
|
bool isConst() const {
|
|
return getFlag(fIsConst);
|
|
}
|
|
bool isVirtual() const {
|
|
return getFlag(fIsVirtual);
|
|
}
|
|
bool isPure() const {
|
|
return getFlag(fIsPure);
|
|
}
|
|
bool isStatic() const {
|
|
return getFlag(fIsStatic);
|
|
}
|
|
bool isStaticLocal() const {
|
|
return getFlag(fIsStaticLocal);
|
|
}
|
|
bool isExtern() const {
|
|
return getFlag(fIsExtern);
|
|
}
|
|
bool isFriend() const {
|
|
return getFlag(fIsFriend);
|
|
}
|
|
bool isExplicit() const {
|
|
return getFlag(fIsExplicit);
|
|
}
|
|
bool isDefault() const {
|
|
return getFlag(fIsDefault);
|
|
}
|
|
bool isDelete() const {
|
|
return getFlag(fIsDelete);
|
|
}
|
|
bool isNoExcept() const {
|
|
return getFlag(fIsNoExcept);
|
|
}
|
|
bool isThrow() const {
|
|
return getFlag(fIsThrow);
|
|
}
|
|
bool isOperator() const {
|
|
return getFlag(fIsOperator);
|
|
}
|
|
|
|
void hasBody(bool state) {
|
|
setFlag(fHasBody, state);
|
|
}
|
|
void isInline(bool state) {
|
|
setFlag(fIsInline, state);
|
|
}
|
|
void isConst(bool state) {
|
|
setFlag(fIsConst, state);
|
|
}
|
|
void isVirtual(bool state) {
|
|
setFlag(fIsVirtual, state);
|
|
}
|
|
void isPure(bool state) {
|
|
setFlag(fIsPure, state);
|
|
}
|
|
void isStatic(bool state) {
|
|
setFlag(fIsStatic, state);
|
|
}
|
|
void isStaticLocal(bool state) {
|
|
setFlag(fIsStaticLocal, state);
|
|
}
|
|
void isExtern(bool state) {
|
|
setFlag(fIsExtern, state);
|
|
}
|
|
void isFriend(bool state) {
|
|
setFlag(fIsFriend, state);
|
|
}
|
|
void isExplicit(bool state) {
|
|
setFlag(fIsExplicit, state);
|
|
}
|
|
void isDefault(bool state) {
|
|
setFlag(fIsDefault, state);
|
|
}
|
|
void isDelete(bool state) {
|
|
setFlag(fIsDelete, state);
|
|
}
|
|
void isNoExcept(bool state) {
|
|
setFlag(fIsNoExcept, state);
|
|
}
|
|
void isThrow(bool state) {
|
|
setFlag(fIsThrow, state);
|
|
}
|
|
void isOperator(bool state) {
|
|
setFlag(fIsOperator, state);
|
|
}
|
|
|
|
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 '('
|
|
const Token *retDef; // function return type token
|
|
const ::Type *retType; // function return type
|
|
const Scope *functionScope; // scope of function body
|
|
const Scope* nestedIn; // Scope the function is declared in
|
|
std::list<Variable> argumentList; // argument list
|
|
unsigned int initArgCount; // number of args with default values
|
|
Type type; // constructor, destructor, ...
|
|
AccessControl access; // public/protected/private
|
|
const Token *noexceptArg;
|
|
const Token *throwArg;
|
|
|
|
static bool argsMatch(const Scope *info, const Token *first, const Token *second, const std::string &path, unsigned int depth);
|
|
|
|
private:
|
|
bool isImplicitlyVirtual_rec(const ::Type* baseType, bool& safe) const;
|
|
|
|
unsigned int flags;
|
|
};
|
|
|
|
class CPPCHECKLIB Scope {
|
|
// let tests access private function for testing
|
|
friend class TestSymbolDatabase;
|
|
|
|
public:
|
|
struct UsingInfo {
|
|
const Token *start;
|
|
const Scope *scope;
|
|
};
|
|
|
|
enum ScopeType { eGlobal, eClass, eStruct, eUnion, eNamespace, eFunction, eIf, eElse, eFor, eWhile, eDo, eSwitch, eUnconditional, eTry, eCatch, eLambda };
|
|
|
|
Scope(const SymbolDatabase *check_, const Token *classDef_, const Scope *nestedIn_);
|
|
Scope(const SymbolDatabase *check_, const Token *classDef_, const Scope *nestedIn_, ScopeType type_, const Token *start_);
|
|
|
|
const SymbolDatabase *check;
|
|
std::string className;
|
|
const Token *classDef; // class/struct/union/namespace token
|
|
const Token *classStart; // '{' token
|
|
const Token *classEnd; // '}' token
|
|
std::list<Function> functionList;
|
|
std::multimap<std::string, const Function *> functionMap;
|
|
std::list<Variable> varlist;
|
|
const Scope *nestedIn;
|
|
std::list<Scope *> nestedList;
|
|
unsigned int numConstructors;
|
|
unsigned int numCopyOrMoveConstructors;
|
|
std::list<UsingInfo> usingList;
|
|
ScopeType type;
|
|
Type* definedType;
|
|
std::list<Type*> definedTypes;
|
|
|
|
// function specific fields
|
|
const Scope *functionOf; // scope this function belongs to
|
|
Function *function; // function info for this function
|
|
|
|
bool isClassOrStruct() const {
|
|
return (type == eClass || type == eStruct);
|
|
}
|
|
|
|
bool isExecutable() const {
|
|
return type != eClass && type != eStruct && type != eUnion && type != eGlobal && type != eNamespace;
|
|
}
|
|
|
|
bool isLocal() const {
|
|
return (type == eIf || type == eElse ||
|
|
type == eFor || type == eWhile || type == eDo ||
|
|
type == eSwitch || type == eUnconditional ||
|
|
type == eTry || type == eCatch);
|
|
}
|
|
|
|
/**
|
|
* @brief find a function
|
|
* @param tok token of function call
|
|
* @param requireConst if const refers to a const variable only const methods should be matched
|
|
* @return pointer to function if found or NULL if not found
|
|
*/
|
|
const Function *findFunction(const Token *tok, bool requireConst=false) const;
|
|
|
|
/**
|
|
* @brief find if name is in nested list
|
|
* @param name name of nested scope
|
|
*/
|
|
Scope *findInNestedList(const std::string & name);
|
|
|
|
const Scope *findRecordInNestedList(const std::string & name) const;
|
|
Scope *findRecordInNestedList(const std::string & name) {
|
|
return const_cast<Scope *>(const_cast<const Scope *>(this)->findRecordInNestedList(name));
|
|
}
|
|
|
|
const Type* findType(const std::string& name) const;
|
|
Type* findType(const std::string& name) {
|
|
return const_cast<Type*>(const_cast<const Scope *>(this)->findType(name));
|
|
}
|
|
|
|
/**
|
|
* @brief find if name is in nested list
|
|
* @param name name of nested scope
|
|
*/
|
|
Scope *findInNestedListRecursive(const std::string & name);
|
|
|
|
void addVariable(const Token *token_, const Token *start_,
|
|
const Token *end_, AccessControl access_, const Type *type_,
|
|
const Scope *scope_, const Library* lib) {
|
|
varlist.push_back(Variable(token_, start_, end_, varlist.size(),
|
|
access_,
|
|
type_, scope_, lib));
|
|
}
|
|
|
|
/** @brief initialize varlist */
|
|
void getVariableList(const Library* lib);
|
|
|
|
const Function *getDestructor() const;
|
|
|
|
void addFunction(const Function & func) {
|
|
functionList.push_back(func);
|
|
|
|
const Function * back = &functionList.back();
|
|
|
|
functionMap.insert(make_pair(back->tokenDef->str(), back));
|
|
}
|
|
|
|
bool hasDefaultConstructor() const;
|
|
|
|
AccessControl defaultAccess() const;
|
|
|
|
/**
|
|
* @brief check if statement is variable declaration and add it if it is
|
|
* @param tok pointer to start of statement
|
|
* @param varaccess access control of statement
|
|
* @param lib Library instance
|
|
* @return pointer to last token
|
|
*/
|
|
const Token *checkVariable(const Token *tok, AccessControl varaccess, const Library* lib);
|
|
|
|
/**
|
|
* @brief get variable from name
|
|
* @param varname name of variable
|
|
* @return pointer to variable
|
|
*/
|
|
const Variable *getVariable(const std::string &varname) const;
|
|
|
|
private:
|
|
/**
|
|
* @brief helper function for getVariableList()
|
|
* @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;
|
|
|
|
void findFunctionInBase(const std::string & name, size_t args, std::vector<const Function *> & matches) const;
|
|
};
|
|
|
|
class CPPCHECKLIB SymbolDatabase {
|
|
public:
|
|
SymbolDatabase(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger);
|
|
~SymbolDatabase();
|
|
|
|
/** @brief Information about all namespaces/classes/structrues */
|
|
std::list<Scope> scopeList;
|
|
|
|
/** @brief Fast access to function scopes */
|
|
std::vector<const Scope *> functionScopes;
|
|
|
|
/** @brief Fast access to class and struct scopes */
|
|
std::vector<const Scope *> classAndStructScopes;
|
|
|
|
/** @brief Fast access to types */
|
|
std::list<Type> typeList;
|
|
|
|
/**
|
|
* @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 Type *findVariableType(const Scope *start, const Token *type) const;
|
|
|
|
/**
|
|
* @brief find a function
|
|
* @param tok token of function call
|
|
* @return pointer to function if found or NULL if not found
|
|
*/
|
|
const Function *findFunction(const Token *tok) const;
|
|
|
|
const Scope *findScopeByName(const std::string& name) const;
|
|
|
|
const Type* findType(const Token *tok, const Scope *startScope) const;
|
|
Type* findType(const Token *tok, Scope *startScope) const {
|
|
return const_cast<Type*>(this->findType(tok, const_cast<const Scope *>(startScope)));
|
|
}
|
|
|
|
const Scope *findScope(const Token *tok, const Scope *startScope) const;
|
|
Scope *findScope(const Token *tok, Scope *startScope) const {
|
|
return const_cast<Scope *>(this->findScope(tok, const_cast<const Scope *>(startScope)));
|
|
}
|
|
|
|
const Variable *getVariableFromVarId(std::size_t varId) const {
|
|
return _variableList.at(varId);
|
|
}
|
|
|
|
std::size_t getVariableListSize() const {
|
|
return _variableList.size();
|
|
}
|
|
|
|
/**
|
|
* @brief output a debug message
|
|
*/
|
|
void debugMessage(const Token *tok, const std::string &msg) const;
|
|
|
|
void printOut(const char * title = NULL) const;
|
|
void printVariable(const Variable *var, const char *indent) const;
|
|
void printXml(std::ostream &out) const;
|
|
|
|
bool isCPP() const;
|
|
|
|
private:
|
|
friend class Scope;
|
|
friend class Function;
|
|
|
|
void addClassFunction(Scope **info, const Token **tok, const Token *argStart);
|
|
Function *addGlobalFunctionDecl(Scope*& scope, const Token* tok, const Token *argStart, const Token* funcStart);
|
|
Function *addGlobalFunction(Scope*& scope, const Token*& tok, const Token *argStart, const Token* funcStart);
|
|
void addNewFunction(Scope **info, const Token **tok);
|
|
bool isFunction(const Token *tok, const Scope* outerScope, const Token **funcStart, const Token **argStart);
|
|
const Type *findTypeInNested(const Token *tok, const Scope *startScope) const;
|
|
const Scope *findNamespace(const Token * tok, const Scope * scope) const;
|
|
Function *findFunctionInScope(const Token *func, const Scope *ns);
|
|
|
|
/** Whether iName is a keyword as defined in http://en.cppreference.com/w/c/keyword and http://en.cppreference.com/w/cpp/keyword*/
|
|
bool isReservedName(const std::string& iName) const;
|
|
|
|
|
|
const Tokenizer *_tokenizer;
|
|
const Settings *_settings;
|
|
ErrorLogger *_errorLogger;
|
|
|
|
/** variable symbol table */
|
|
std::vector<const Variable *> _variableList;
|
|
|
|
/** list for missing types */
|
|
std::list<Type> _blankTypes;
|
|
};
|
|
|
|
//---------------------------------------------------------------------------
|
|
#endif // symboldatabaseH
|