目录

AUTOSAR C++ 2014 规范英文版

AUTOSAR Cpp 2014 规范英文版

https://ww2.mathworks.cn/help/bugfinder/autosar-c-14.html?lang=en

中文版


Language independent issues

[Rule A0-1-1] A project shall not contain instances of non-volatile variables being given values that are not subsequently used.

[Rule A0-1-2] The value returned by a function having a non-void return type that is not an overloaded operator shall be used.

[Rule A0-1-3] Every function defined in an anonymous namespace, or static function with internal linkage, or private member function shall be used.

[Rule A0-1-4] There shall be no unused named parameters in non-virtual functions.

[Rule A0-1-5] There shall be no unused named parameters in the set of parameters for a virtual function and all the functions that override it.

[Rule A0-1-6] There should be no unused type declarations.

[Rule A0-4-2] Type long double shall not be used.

[Rule A0-4-4] Range, domain and pole errors shall be checked when using math functions.

[Rule M0-1-1] A project shall not contain unreachable code.

[Rule M0-1-2] A project shall not contain infeasible paths.

[Rule M0-1-3] A project shall not contain unused variables.

[Rule M0-1-4] A project shall not contain non-volatile POD variables having only one use.

[Rule M0-1-8] All functions with void return type shall have external side effect(s).

[Rule M0-1-9] There shall be no dead code.

[Rule M0-1-10] Every defined function should be called at least once.

[Rule M0-2-1] An object shall not be assigned to an overlapping object.

[Rule M0-3-2] If a function generates error information, then that error information shall be tested.


General principles

[Rule A1-1-1] All code shall conform to ISO/IEC 14882:2014 - Programming Language C++ and shall not use deprecated features.


Lexical conventions

[Rule A2-3-1] Only those characters specified in the C++ Language Standard basic source character set shall be used in the source code.

[Rule A2-5-1] Trigraphs shall not be used.

[Rule A2-5-2] Digraphs shall not be used.

[Rule A2-7-1] The character \ shall not occur as a last character of a C++ comment.

[Rule A2-7-2] Sections of code shall not be “commented out”.

[Rule A2-7-3] All declarations of “user-defined” types, static and non-static data members, functions and methods shall be preceded by documentation.

[Rule A2-8-1] A header file name should reflect the logical entity for which it provides declarations..

[Rule A2-8-2] An implementation file name should reflect the logical entity for which it provides definitions..

[Rule A2-10-1] An identifier declared in an inner scope shall not hide an identifier declared in an outer scope.

[Rule A2-10-4] The identifier name of a non-member object with static storage duration or static function shall not be reused within a namespace.

[Rule A2-10-5] An identifier name of a function with static storage duration or a non-member object with external or internal linkage should not be reused.

[Rule A2-10-6] A class or enumeration name shall not be hidden by a variable, function or enumerator declaration in the same scope.

[Rule A2-11-1] Volatile keyword shall not be used.

[Rule A2-13-1] Only those escape sequences that are defined in ISO/IEC 14882:2014 shall be used.

[Rule A2-13-2] String literals with different encoding prefixes shall not be concatenated.

[Rule A2-13-3] Type wchar_t shall not be used.

[Rule A2-13-4] String literals shall not be assigned to non-constant pointers.

[Rule A2-13-5] Hexadecimal constants should be uppercase.

[Rule A2-13-6] Universal character names shall be used only inside character or string literals.

[Rule M2-7-1] The character sequence /* shall not be used within a C-style comment.

[Rule M2-10-1] Different identifiers shall be typographically unambiguous.

[Rule M2-13-2] Octal constants (other than zero) and octal escape sequences (other than “\0” ) shall not be used.

[Rule M2-13-3] A “U” suffix shall be applied to all octal or hexadecimal integer literals of unsigned type.

[Rule M2-13-4] Literal suffixes shall be upper case.


Basic concepts

[Rule A3-1-1] It shall be possible to include any header file in multiple translation units without violating the One Definition Rule.

[Rule A3-1-2] Header files, that are defined locally in the project, shall have a file name extension of one of: .h, .hpp or .hxx.

[Rule A3-1-3] Implementation files, that are defined locally in the project, should have a file name extension of “.cpp”.

[Rule A3-1-4] When an array with external linkage is declared, its size shall be stated explicitly.

[Rule A3-1-5] A function definition shall only be placed in a class definition if (1) the function is intended to be inlined (2) it is a member function template (3) it is a member function of a class template.

[Rule A3-1-6] Trivial accessor and mutator functions should be inlined.

[Rule A3-3-1] Objects or functions with external linkage (including members of named namespaces) shall be declared in a header file.

[Rule A3-3-2] Static and thread-local objects shall be constant-initialized.

[Rule A3-8-1] An object shall not be accessed outside of its lifetime.

[Rule A3-9-1] Fixed width integer types from <cstdint>, indicating the size and signedness, shall be used in place of the basic numerical types.

[Rule M3-1-2] Functions shall not be declared at block scope.

[Rule M3-2-1] All declarations of an object or function shall have compatible types.

[Rule M3-2-2] The One Definition Rule shall not be violated.

[Rule M3-2-3] A type, object or function that is used in multiple translation units shall be declared in one and only one file.

[Rule M3-2-4] An identifier with external linkage shall have exactly one definition.

[Rule M3-3-2] If a function has internal linkage then all re-declarations shall include the static storage class specifier.

[Rule M3-4-1] An identifier declared to be an object or type shall be defined in a block that minimizes its visibility.

[Rule M3-9-1] The types used for an object, a function return type, or a function parameter shall be token-for-token identical in all declarations and re-declarations.

[Rule M3-9-3] The underlying bit representations of floating-point values shall not be used.


Standard conventions

[Rule A4-5-1] Expressions with type enum or enum class shall not be used as operands to built-in and overloaded operators other than the subscript operator [], the assignment operator =, the equality operators == and !=, the unary & operator, and the relational operators <, <=, >, >=.

[Rule A4-7-1] An integer expression shall not lead to data loss.

[Rule A4-10-1] Only nullptr literal shall be used as the null-pointer-constraint.

[Rule M4-5-1] Expressions with type bool shall not be used as operands to built-in operators other than the assignment operator =, the logical operators &&, ||, !, the equality operators == and !=, the unary & operator, and the conditional operator.

[Rule M4-5-3] Expressions with type (plain) char and wchar_t shall not be used as operands to built-in operators other than the assignment operator =, the equality operators == and ! =, and the unary & operator.

[Rule M4-10-1] NULL shall not be used as an integer value.

[Rule M4-10-2] Literal zero (0) shall not be used as the null-pointer-constant.


Expressions

[Rule A5-0-1] The value of an expression shall be the same under any order of evaluation that the standard permits.

[Rule A5-0-2] The condition of an if-statement and the condition of an iteration statement shall have type bool.

[Rule A5-0-3] The declaration of objects shall contain no more than two levels of pointer indirection.

[Rule A5-0-4] Pointer arithmetic shall not be used with pointers to non-final classes.

[Rule A5-1-1] Literal values shall not be used apart from type initialization, otherwise symbolic names shall be used instead.

[Rule A5-1-2] Variables shall not be implicitly captured in a lambda expression.

[Rule A5-1-3] Parameter list (possibly empty) shall be included in every lambda expression.

[Rule A5-1-4] A lambda expression object shall not outlive any of its reference-captured objects.

[Rule A5-1-6] Return type of a non-void return type lambda expression should be explicitly specified.

[Rule A5-1-7] A lambda shall not be an operand to decltype or typeid.

[Rule A5-1-8] Lambda expressions should not be defined inside another lambda expression.

[Rule A5-1-9] Identical unnamed lambda expressions shall be replaced with a named function or a named lambda expression.

[Rule A5-2-1] dynamic_cast should not be used.

[Rule A5-2-2] Traditional C-style casts shall not be used.

[Rule A5-2-3] A cast shall not remove any const or volatile qualification from the type of a pointer or reference.

[Rule A5-2-4] reinterpret_cast shall not be used.

[Rule A5-2-5] An array or container shall not be accessed beyond its range.

[Rule A5-2-6] The operands of a logical && or || shall be parenthesized if the operands contain binary operators.

[Rule A5-3-1] Evaluation of the operand to the typeid operator shall not contain side effects.

[Rule A5-3-2] Null pointers shall not be dereferenced.

[Rule A5-3-3] Pointers to incomplete class types shall not be deleted.

[Rule A5-5-1] A pointer to member shall not access non-existent class members.

[Rule A5-6-1] The right hand operand of the integer division or remainder operators shall not be equal to zero.

[Rule A5-10-1] A pointer to member virtual function shall only be tested for equality with null-pointer-constant.

[Rule A5-16-1] The ternary conditional operator shall not be used as a sub-expression.

[Rule M5-0-2] Limited dependence should be placed on C++ operator precedence rules in expressions.

[Rule M5-0-3] A cvalue expression shall not be implicitly converted to a different underlying type.

[Rule M5-0-4] An implicit integral conversion shall not change the signedness of the underlying type.

[Rule M5-0-5] There shall be no implicit floating-integral conversions.

[Rule M5-0-6] An implicit integral or floating-point conversion shall not reduce the size of the underlying type.

[Rule M5-0-7] There shall be no explicit floating-integral conversions of a cvalue expression.

[Rule M5-0-8] An explicit integral or floating-point conversion shall not increase the size of the underlying type of a cvalue expression.

[Rule M5-0-9] An explicit integral conversion shall not change the signedness of the underlying type of a cvalue expression.

[Rule M5-0-10] If the bitwise operators ~ and << are applied to an operand with an underlying type of unsigned char or unsigned short, the result shall be immediately cast to the underlying type of the operand.

[Rule M5-0-11] The plain char type shall only be used for the storage and use of character values.

[Rule M5-0-12] Signed char and unsigned char type shall only be used for the storage and use of numeric values.

[Rule M5-0-14] The first operand of a conditional-operator shall have type bool.

[Rule M5-0-15] Array indexing shall be the only form of pointer arithmetic.

[Rule M5-0-16] A pointer operand and any pointer resulting from pointer arithmetic using that operand shall both address elements of the same array.

[Rule M5-0-17] Subtraction between pointers shall only be applied to pointers that address elements of the same array.

[Rule M5-0-18] >, >=, <, <= shall not be applied to objects of pointer type, except where they point to the same array.

[Rule M5-0-20] Non-constant operands to a binary bitwise operator shall have the same underlying type.

[Rule M5-0-21] Bitwise operators shall only be applied to operands of unsigned underlying type.

[Rule M5-2-2] A pointer to a virtual base class shall only be cast to a pointer to a derived class by means of dynamic_cast.

[Rule M5-2-3] Casts from a base class to a derived class should not be performed on polymorphic types.

[Rule M5-2-6] A cast shall not convert a pointer to a function to any other pointer type, including a pointer to function type.

[Rule M5-2-8] An object with integer type or pointer to void type shall not be converted to an object with pointer type.

[Rule M5-2-9] A cast shall not convert a pointer type to an integral type.

[Rule M5-2-10] The increment (++) and decrement (--) operators shall not be mixed with other operators in an expression.

[Rule M5-2-11] The comma operator, && operator and the || operator shall not be overloaded.

[Rule M5-2-12] An identifier with array type passed as a function argument shall not decay to a pointer.

[Rule M5-3-1] Each operand of the ! operator, the logical && or the logical || operators shall have type bool.

[Rule M5-3-2] The unary minus operator shall not be applied to an expression whose underlying type is unsigned.

[Rule M5-3-3] The unary & operator shall not be overloaded.

[Rule M5-3-4] Evaluation of the operand to the sizeof operator shall not contain side effects.

[Rule M5-8-1] The right hand operand of a shift operator shall lie between zero and one less than the width in bits of the underlying type of the left hand operand.

[Rule M5-14-1] The right hand operand of a logical &&, || operators shall not contain side effects.

[Rule M5-18-1] The comma operator shall not be used.

[Rule M5-19-1] Evaluation of constant unsigned integer expressions shall not lead to wrap-around.


Statements

[Rule A6-2-1] Move and copy assignment operators shall either move or respectively copy base classes and data members of a class, without any side effects.

[Rule A6-2-2] Expression statements shall not be explicit calls to constructors of temporary objects only.

[Rule A6-4-1] A switch statement shall have at least two case-clauses, distinct from the default label.

[Rule A6-5-1] A for-loop that loops through all elements of the container and does not use its loop-counter shall not be used.

[Rule A6-5-2] A for loop shall contain a single loop-counter which shall not have floating-point type.

[Rule A6-5-3] Do statements should not be used.

[Rule A6-5-4] For-init-statement and expression should not perform actions other than loop-counter initialization and modification.

[Rule A6-6-1] The goto statement shall not be used.

[Rule M6-2-1] Assignment operators shall not be used in sub-expressions.

[Rule M6-2-2] Floating-point expressions shall not be directly or indirectly tested for equality or inequality.

[Rule M6-2-3] Before preprocessing, a null statement shall only occur on a line by itself; it may be followed by a comment, provided that the first character following the null statement is a white-space character.

[Rule M6-3-1] The statement forming the body of a switch, while, do ... while or for statement shall be a compound statement.

[Rule M6-4-1] An if ( condition ) construct shall be followed by a compound statement. The else keyword shall be followed by either a compound statement, or another if statement.

[Rule M6-4-2] All if ... else if constructs shall be terminated with an else clause.

[Rule M6-4-3] A switch statement shall be a well-formed switch statement.

[Rule M6-4-4] A switch-label shall only be used when the most closely-enclosing compound statement is the body of a switch statement.

[Rule M6-4-5] An unconditional throw or break statement shall terminate every non-empty switch-clause.

[Rule M6-4-6] The final clause of a switch statement shall be the default-clause.

[Rule M6-4-7] The condition of a switch statement shall not have bool type.

[Rule M6-5-2] If loop-counter is not modified by -- or ++, then, within condition, the loop-counter shall only be used as an operand to <=, <, > or >=.

[Rule M6-5-3] The loop-counter shall not be modified within condition or statement.

[Rule M6-5-4] The loop-counter shall be modified by one of: --, ++, -=n, or +=n; where n remains constant for the duration of the loop.

[Rule M6-5-5] A loop-control-variable other than the loop-counter shall not be modified within condition or expression.

[Rule M6-5-6] A loop-control-variable other than the loop-counter which is modified in statement shall have type bool.

[Rule M6-6-1] Any label referenced by a goto statement shall be declared in the same block, or in a block enclosing the goto statement.

[Rule M6-6-2] The goto statement shall jump to a label declared later in the same function body.

[Rule M6-6-3] The continue statement shall only be used within a well-formed for loop.


Declarations

[Rule A7-1-1] Constexpr or const specifiers shall be used for immutable data declaration.

[Rule A7-1-2] The constexpr specifier shall be used for values that can be determined at compile time.

[Rule A7-1-3] CV-qualifiers shall be placed on the right hand side of the type that is a typedef or a using name.

[Rule A7-1-4] The register keyword shall not be used.

[Rule A7-1-5] The auto specifier shall not be used apart from following cases: (1) to declare that a variable has the same type as return type of a function call, (2) to declare that a variable has the same type as initializer of non-fundamental type, (3) to declare parameters of a generic lambda expression, (4) to declare a function template using trailing return type syntax.

[Rule A7-1-6] The typedef specifier shall not be used.

[Rule A7-1-7] Each expression statement and identifier declaration shall be placed on a separate line.

[Rule A7-1-8] A non-type specifier shall be placed before a type specifier in a declaration.

[Rule A7-1-9] A class, structure, or enumeration shall not be declared in the definition of its type.

[Rule A7-2-1] An expression with enum underlying type shall only have values corresponding to the enumerators of the enumeration.

[Rule A7-2-2] Enumeration underlying type shall be explicitly defined.

[Rule A7-2-3] Enumerations shall be declared as scoped enum classes.

[Rule A7-2-4] In an enumeration, either (1) none, (2) the first or (3) all enumerators shall be initialized.

[Rule A7-3-1] All overloads of a function shall be visible from where it is called.

[Rule A7-5-1] A function shall not return a reference or a pointer to a parameter that is passed by reference to const.

[Rule A7-5-2] Functions shall not call themselves, either directly or indirectly.

[Rule A7-6-1] Functions declared with the [[noreturn]] attribute shall not return.

[Rule M7-1-2] A pointer or reference parameter in a function shall be declared as pointer to const or reference to const if the corresponding object is not modified.

[Rule M7-3-1] The global namespace shall only contain main, namespace declarations and extern "C" declarations.

[Rule M7-3-2] The identifier main shall not be used for a function other than the global function main.

[Rule M7-3-3] There shall be no unnamed namespaces in header files.

[Rule M7-3-4] Using-directives shall not be used.

[Rule M7-3-6] Using-directives and using-declarations (excluding class scope or function scope using-declarations) shall not be used in header files.

[Rule A7-4-1] The asm declaration shall not be used.

[Rule M7-4-2] Assembler instructions shall only be introduced using the asm declaration.

[Rule M7-4-3] Assembly language shall be encapsulated and isolated.

[Rule M7-5-1] A function shall not return a reference or a pointer to an automatic variable (including parameters), defined within the function.

[Rule M7-5-2] The address of an object with automatic storage shall not be assigned to another object that may persist after the first object has ceased to exist.


Declarators

[Rule A8-2-1] When declaring function templates, the trailing return type syntax shall be used if the return type depends on the type of parameters.

[Rule A8-4-1] Functions shall not be defined using the ellipsis notation.

[Rule A8-4-2] All exit paths from a function with non-void return type shall have an explicit return statement with an expression.

[Rule A8-4-3] Common ways of passing parameters should be used..

[Rule A8-4-4] Multiple output values from a function should be returned as a struct or tuple.

[Rule A8-4-5] “consume” parameters declared as X && shall always be moved from.

[Rule A8-4-6] “forward” parameters declared as T && shall always be forwarded.

[Rule A8-4-7] “in” parameters for “cheap to copy” types shall be passed by value.

[Rule A8-4-8] Output parameters shall not be used.

[Rule A8-4-9] “in-out” parameters declared as T & shall be modified.

[Rule A8-4-10] A parameter shall be passed by reference if it can’t be NULL.

[Rule A8-4-11] A smart pointer shall only be used as a parameter type if it expresses lifetime semantics.

[Rule A8-4-12] A std::unique_ptr shall be passed to a function as: (1) a copy to express the function assumes ownership (2) an lvalue reference to express that the function replaces the managed object.

[Rule A8-4-13] A std::shared_ptr shall be passed to a function as: (1) a copy to express the function shares ownership (2) an lvalue reference to express that the function replaces the managed object (3) a const lvalue reference to express that the function retains a reference count.

[Rule A8-4-14] Interfaces shall be precisely and strongly typed.

[Rule A8-5-0] All memory shall be initialized before it is read.

[Rule A8-5-1] In an initialization list, the order of initialization shall be following: (1) virtual base classes in depth and left to right order of the inheritance graph, (2) direct base classes in left to right order of inheritance list, (3) non-static data members in the order they were declared in the class definition.

[Rule A8-5-2] Braced-initialization {}, without equals sign, shall be used for variable initialization.

[Rule A8-5-4] If a class has a user-declared constructor that takes a parameter of type std::initializer_list, then it shall be the only constructor apart from special member function constructors.

[Rule A8-5-3] A variable of type auto shall not be initialized using {} or ={} braced-initialization.

[Rule M8-0-1] An init-declarator-list or a member-declarator-list shall consist of a single init-declarator or member-declarator respectively.

[Rule M8-3-1] Parameters in an overriding virtual function shall either use the same default arguments as the function they override, or else shall not specify any default arguments.

[Rule M8-4-2] The identifiers used for the parameters in a re-declaration of a function shall be identical to those in the declaration.

[Rule M8-4-4] A function identifier shall either be used to call the function or it shall be preceded by &.

[Rule M8-5-2] Braces shall be used to indicate and match the structure in the non-zero initialization of arrays and structures.


Classes

[Rule A9-3-1] Member functions shall not return non-constant “raw” pointers or references to private or protected data owned by the class.

[Rule A9-5-1] Unions shall not be used.

[Rule A9-6-1] Data types used for interfacing with hardware or conforming to communication protocols shall be trivial, standard-layout and only contain members of types with defined sizes.

[Rule M9-3-1] Const member functions shall not return non-const pointers or references to class-data.

[Rule M9-3-3] If a member function can be made static then it shall be made static, otherwise if it can be made const then it shall be made const.

[Rule M9-6-4] Named bit-fields with signed integer type shall have a length of more than one bit.


Derived classes

[Rule A10-1-1] Class shall not be derived from more than one base class which is not an interface class.

[Rule A10-2-1] Non-virtual public or protected member functions shall not be redefined in derived classes.

[Rule A10-3-1] Virtual function declaration shall contain exactly one of the three specifiers: (1) virtual, (2) override, (3) final.

[Rule A10-3-2] Each overriding virtual function shall be declared with the override or final specifier.

[Rule A10-3-3] Virtual functions shall not be introduced in a final class.

[Rule A10-3-5] A user-defined assignment operator shall not be virtual.

[Rule A10-4-1] Hierarchies should be based on interface classes.

[Rule M10-1-1] Classes should not be derived from virtual bases.

[Rule M10-1-2] A base class shall only be declared virtual if it is used in a diamond hierarchy.

[Rule M10-1-3] An accessible base class shall not be both virtual and non-virtual in the same hierarchy.

[Rule M10-2-1] All accessible entity names within a multiple inheritance hierarchy should be unique.

[Rule M10-3-3] A virtual function shall only be overridden by a pure virtual function if it is itself declared as pure virtual.


Member access control

[Rule A11-0-1] A non-POD type should be defined as class.

[Rule A11-0-2] A type defined as struct shall: (1) provide only public data members, (2) not provide any special member functions or methods, (3) not be a base of another struct or class, (4) not inherit from another struct or class.

[Rule A11-3-1] Friend declarations shall not be used.

[Rule M11-0-1] Member data in non-POD class types shall be private.


Special member functions

[Rule A12-0-1] If a class declares a copy or move operation, or a destructor, either via “=default”, “=delete”, or via a user-provided declaration, then all others of these five special member functions shall be declared as well.

[Rule A12-0-2] Bitwise operations and operations that assume data representation in memory shall not be performed on objects.

[Rule A12-1-1] Constructors shall explicitly initialize all virtual base classes, all direct non-virtual base classes and all non-static data members.

[Rule A12-1-2] Both NSDMI and a non-static member initializer in a constructor shall not be used in the same type.

[Rule A12-1-3] If all user-defined constructors of a class initialize data members with constant values that are the same across all constructors, then data members shall be initialized using NSDMI instead.

[Rule A12-1-4] All constructors that are callable with a single argument of fundamental type shall be declared explicit.

[Rule A12-1-5] Common class initialization for non-constant members shall be done by a delegating constructor.

[Rule A12-1-6] Derived classes that do not need further explicit initialization and require all the constructors from the base class shall use inheriting constructors.

[Rule A12-4-1] Destructor of a base class shall be public virtual, public override or protected non-virtual.

[Rule A12-4-2] If a public destructor of a class is non-virtual, then the class should be declared final.

[Rule A12-6-1] All class data members that are initialized by the constructor shall be initialized using member initializers.

[Rule A12-7-1] If the behavior of a user-defined special member function is identical to implicitly defined special member function, then it shall be defined “=default” or be left undefined.

[Rule A12-8-1] Move and copy constructors shall move and respectively copy base classes and data members of a class, without any side effects.

[Rule A12-8-2] User-defined copy and move assignment operators should use user-defined no-throw swap function.

[Rule A12-8-3] Moved-from object shall not be read-accessed.

[Rule A12-8-4] Move constructor shall not initialize its class members and base classes using copy semantics.

[Rule A12-8-5] A copy assignment and a move assignment operators shall handle self-assignment.

[Rule A12-8-6] Copy and move constructors and copy assignment and move assignment operators shall be declared protected or defined “=delete” in base class.

[Rule A12-8-7] Assignment operators should be declared with the ref-qualifier &.

[Rule M12-1-1] An object’s dynamic type shall not be used from the body of its constructor or destructor.


Overriding

[Rule A13-1-2] User defined suffixes of the user defined literal operators shall start with underscore followed by one or more letters.

[Rule A13-1-3] User defined literals operators shall only perform conversion of passed parameters.

[Rule A13-2-1] An assignment operator shall return a reference to “this”.

[Rule A13-2-2] A binary arithmetic operator and a bitwise operator shall return a “prvalue”.

[Rule A13-2-3] A relational operator shall return a boolean value.

[Rule A13-3-1] A function that contains “forwarding reference” as its argument shall not be overloaded.

[Rule A13-5-1] If “operator[]” is to be overloaded with a non-const version, const version shall also be implemented.

[Rule A13-5-2] All user-defined conversion operators shall be defined explicit.

[Rule A13-5-3] User-defined conversion operators should not be used.

[Rule A13-5-4] If two opposite operators are defined, one shall be defined in terms of the other.

[Rule A13-5-5] Comparison operators shall be non-member functions with identical parameter types and noexcept.

[Rule A13-6-1] Digit sequences separators ' shall only be used as follows: (1) for decimal, every 3 digits, (2) for hexadecimal, every 2 digits, (3) for binary, every 4 digits.


Templates

[Rule A14-1-1] A template should check if a specific template argument is suitable for this template.

[Rule A14-5-1] A template constructor shall not participate in overload resolution for a single argument of the enclosing class type.

[Rule A14-5-2] Class members that are not dependent on template class parameters should be defined in a separate base class.

[Rule A14-5-3] A non-member generic operator shall only be declared in a namespace that does not contain class (struct) type, enum type or union type declarations.

[Rule A14-7-1] A type used as a template argument shall provide all members that are used by the template.

[Rule A14-7-2] Template specialization shall be declared in the same file (1) as the primary template (2) as a user-defined type, for which the specialization is declared.

[Rule A14-8-2] Explicit specializations of function templates shall not be used.

[Rule M14-5-3] A copy assignment operator shall be declared when there is a template assignment operator with a parameter that is a generic parameter.

[Rule M14-6-1] In a class template with a dependent base, any name that may be found in that dependent base shall be referred to using a qualified-id or this->.


Exception handling

[Rule A15-0-2] At least the basic guarantee for exception safety shall be provided for all operations. In addition, each function may offer either the strong guarantee or the nothrow guarantee.

[Rule A15-0-3] Exception safety guarantee of a called function shall be considered.

[Rule A15-0-7] Exception handling mechanism shall guarantee a deterministic worst-case time execution time.

[Rule A15-1-1] Only instances of types derived from std::exception should be thrown.

[Rule A15-1-2] An exception object shall not be a pointer.

[Rule A15-1-3] All thrown exceptions should be unique.

[Rule A15-1-4] If a function exits with an exception, then before a throw, the function shall place all objects/resources that the function constructed in valid states or it shall delete them..

[Rule A15-1-5] Exceptions shall not be thrown across execution boundaries.

[Rule A15-2-1] Constructors that are not noexcept shall not be invoked before program startup.

[Rule A15-2-2] If a constructor is not noexcept and the constructor cannot finish object initialization, then it shall deallocate the object’s resources and it shall throw an exception.

[Rule A15-3-3] Main function and a task main function shall catch at least: base class exceptions from all third-party libraries used, std::exception and all otherwise unhandled exceptions.

[Rule A15-3-4] Catch-all (ellipsis and std::exception) handlers shall be used only in (a) main, (b) task main functions, (c) in functions that are supposed to isolate independent components and (d) when calling third-party code that uses exceptions not according to AUTOSAR C++14 guidelines.

[Rule A15-3-5] A class type exception shall be caught by reference or const reference.

[Rule A15-4-1] Dynamic exception-specification shall not be used.

[Rule A15-4-2] If a function is declared to be noexcept, noexcept(true) or noexcept(<true condition>), then it shall not exit with an exception.

[Rule A15-4-3] The noexcept specification of a function shall either be identical across all translation units, or identical or more restrictive between a virtual member function and an overrider.

[Rule A15-4-4] A declaration of non-throwing function shall contain noexcept specification.

[Rule A15-4-5] Checked exceptions that could be thrown from a function shall be specified together with the function declaration and they shall be identical in all function declarations and for all its overriders.

[Rule A15-5-1] All user-provided class destructors, deallocation functions, move constructors, move assignment operators and swap functions shall not exit with an exception. A noexcept exception specification shall be added to these functions as appropriate.

[Rule A15-5-2] Program shall not be abruptly terminated. In particular, an implicit or explicit invocation of std::abort(), std::quick_exit(), std::_Exit(), std::terminate() shall not be done.

[Rule A15-5-3] The std::terminate() function shall not be called implicitly.

[Rule M15-0-3] Control shall not be transferred into a try or catch block using a goto or a switch statement.

[Rule M15-1-1] The assignment-expression of a throw statement shall not itself cause an exception to be thrown.

[Rule M15-1-2] NULL shall not be thrown explicitly.

[Rule M15-1-3] An empty throw (throw;) shall only be used in the compound statement of a catch handler.

[Rule M15-3-1] Exceptions shall be raised only after startup and before termination.

[Rule M15-3-3] Handlers of a function-try-block implementation of a class constructor or destructor shall not reference non-static members from this class or its bases.

[Rule M15-3-4] Each exception explicitly thrown in the code shall have a handler of a compatible type in all call paths that could lead to that point.

[Rule M15-3-6] Where multiple handlers are provided in a single try-catch statement or function-try-block for a derived class and some or all of its bases, the handlers shall be ordered most-derived to base class.

[Rule M15-3-7] Where multiple handlers are provided in a single try-catch statement or function-try-block, any ellipsis (catch-all) handler shall occur last.


Preprocessing directives

[Rule A16-0-1] The preprocessor shall only be used for unconditional and conditional file inclusion and include guards, and using specific directives.

[Rule A16-2-1] The ', ", /*, //, \ characters shall not occur in a header file name or in #include directive.

[Rule A16-2-2] There shall be no unused include directives.

[Rule A16-2-3] An include directive shall be added explicitly for every symbol used in a file.

[Rule A16-6-1] #error directive shall not be used.

[Rule A16-7-1] The #pragma directive shall not be used.

[Rule M16-0-1] #include directives in a file shall only be preceded by other preprocessor directives or comments.

[Rule M16-0-2] Macros shall only be #define’d or #undef’d in the global namespace.

[Rule M16-0-5] Arguments to a function-like macro shall not contain tokens that look like pre-processing directives.

[Rule M16-0-6] In the definition of a function-like macro, each instance of a parameter shall be enclosed in parentheses, unless it is used as the operand of # or ##.

[Rule M16-0-7] Undefined macro identifiers shall not be used in #if or #elif pre-processor directives, except as operands to the defined operator.

[Rule M16-0-8] If the # token appears as the first token on a line, then it shall be immediately followed by a preprocessing token.

[Rule M16-1-1] The defined pre-processor operator shall only be used in one of the two standard forms.

[Rule M16-1-2] All #else, #elif and #endif pre-processor directives shall reside in the same file as the #if or #ifdef directive to which they are related.

[Rule M16-2-3] Include guards shall be provided.

[Rule M16-3-1] There shall be at most one occurrence of the # or ## operators in a single macro definition.

[Rule M16-3-2] The # and ## operators should not be used.


Library Introduction

[Rule A17-0-1] Reserved identifiers, macros and functions in the C++ standard library shall not be defined, redefined or undefined.

[Rule A17-1-1] Use of the C Standard Library shall be encapsulated and isolated.

[Rule A17-6-1] Non-standard entities shall not be added to standard namespaces.

[Rule M17-0-2] The names of standard library macros and objects shall not be reused.

[Rule M17-0-3] The names of standard library functions shall not be overridden.

[Rule M17-0-5] The setjmp macro and the longjmp function shall not be used.


Language support library

[Rule A18-0-1] The C library facilities shall only be accessed through C++ library headers.

[Rule A18-0-2] The error state of a conversion from string to a numeric value shall be checked.

[Rule A18-0-3] The library <clocale> (locale.h) and the setlocale function shall not be used.

[Rule A18-1-1] C-style arrays shall not be used.

[Rule A18-1-2] The std::vector<bool> specialization shall not be used.

[Rule A18-1-3] The std::auto_ptr shall not be used.

[Rule A18-1-4] A pointer pointing to an element of an array of objects shall not be passed to a smart pointer of single object type.

[Rule A18-1-6] All std::hash specializations for user-defined types shall have a noexcept function call operator.

[Rule A18-5-1] Functions malloc, calloc, realloc and free shall not be used.

[Rule A18-5-2] Non-placement new or delete expressions shall not be used.

[Rule A18-5-3] The form of delete operator shall match the form of new operator used to allocate the memory.

[Rule A18-5-4] If a project has sized or unsized version of operator 'delete' globally defined, then both sized and unsized versions shall be defined.

[Rule A18-5-5] Memory management functions shall ensure the following: (a) deterministic behavior resulting with the existence of worst-case execution time, (b) avoiding memory fragmentation, (c) avoid running out of memory, (d) avoiding mismatched allocations or deallocations, (e) no dependence on non-deterministic calls to kernel.

[Rule A18-5-7] If non-real-time implementation of dynamic memory management functions is used in the project, then memory shall only be allocated and deallocated during non-real-time program phases.

[Rule A18-5-8] Objects that do not outlive a function shall have automatic storage duration.

[Rule A18-5-9] Custom implementations of dynamic memory allocation and deallocation functions shall meet the semantic requirements specified in the corresponding “Required behaviour” clause from the C++ Standard.

[Rule A18-5-10] Placement new shall be used only with properly aligned pointers to sufficient storage capacity.

[Rule A18-5-11] “operator new” and “operator delete” shall be defined together.

[Rule A18-9-1] The std::bind shall not be used.

[Rule A18-9-2] Forwarding values to other functions shall be done via: (1) std::move if the value is an rvalue reference, (2) std::forward if the value is forwarding reference.

[Rule A18-9-3] The std::move shall not be used on objects declared const or const&.

[Rule A18-9-4] An argument to std::forward shall not be subsequently used.

[Rule M18-0-3] The library functions abort, exit, getenv and system from library <cstdlib> shall not be used.

[Rule M18-0-4] The time handling functions of library <ctime> shall not be used.

[Rule M18-0-5] The unbounded functions of library <cstring> shall not be used.

[Rule M18-2-1] The macro offsetof shall not be used.

[Rule M18-7-1] The signal handling facilities of <csignal> shall not be used.


Diagnostics library

[Rule M19-3-1] The error indicator errno shall not be used.


Genaral utilities library

[Rule A20-8-1] An already-owned pointer value shall not be stored in an unrelated smart pointer.

[Rule A20-8-2] A std::unique_ptr shall be used to represent exclusive ownership.

[Rule A20-8-3] A std::shared_ptr shall be used to represent shared ownership.

[Rule A20-8-4] A std::unique_ptr shall be used over std::shared_ptr if ownership sharing is not required.

[Rule A20-8-5] std::make_unique shall be used to construct objects owned by std::unique_ptr.

[Rule A20-8-6] std::make_shared shall be used to construct objects owned by std::shared_ptr.

[Rule A20-8-7] A std::weak_ptr shall be used to represent temporary shared ownership.


Strings library

[Rule A21-8-1] Arguments to character-handling functions shall be representable as an unsigned char.


Containers library

[Rule A23-0-1] An iterator shall not be implicitly converted to const_iterator.

[Rule A23-0-2] Elements of a container shall only be accessed via valid references, iterators, and pointers.


Algorithms library

[Rule A25-1-1] Non-static data members or captured values of predicate function objects that are state related to this object’s identity shall not be copied.

[Rule A25-4-1] Ordering predicates used with associative containers and STL sorting and related algorithms shall adhere to a strict weak ordering relation.


Ramdom number generation

[Rule A26-5-1] Pseudorandom numbers shall not be generated using std::rand().

[Rule A26-5-2] Random number engines shall not be default-initialized.


Input/output library

[Rule A27-0-1] Inputs from independent components shall be validated..

[Rule A27-0-2] A C-style string shall guarantee sufficient space for data and the null terminator.

[Rule A27-0-3] Alternate input and output operations on a file stream shall not be used without an intervening flush or positioning call.

[Rule A27-0-4] C-style strings shall not be used.

[Rule M27-0-1] The stream input/output library <cstdio> shall not be used.


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