PARSE.INCOMPATIBLE.EXCSPEC : Incompatible Exception Specification

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CodeSonar^® 9.2p0

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C and C++

PARSE.INCOMPATIBLE.EXCSPEC : Incompatible Exception Specification

Summary

A function definition or declaration has an exception specification that is incompatible with a previous declaration of the same function.

This warning class is derived from a C/C++ parser warning.

Properties

Class Name

Incompatible Exception Specification

Significance

style

Mnemonic

PARSE.INCOMPATIBLE.EXCSPEC

Categories

AUTOSARC++14	AUTOSARC++14: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.
MisraC++2008	MisraC++2008:15-4-1	If a function is declared with an exception-specification, then all declarations of the same function (in other translation units) shall be declared with the same set of type-ids.

Availability

Available for C++ only (not C).

Enabling

Checks for this warning class are enabled by default. However, warning instances of this class that are issued as parser errors (rather than parser warnings) will be discarded when using factory configuration settings. To prevent these instances from being discarded, add the following WARNING_FILTER rule to the project configuration file.

WARNING_FILTER += allow class="Incompatible Exception Specification"

To disable checks for this warning class, add the following WARNING_FILTER rule to the project configuration file.

WARNING_FILTER += discard class="Incompatible Exception Specification"

Example

void f(void);
void f(void) noexcept;        // 'Incompatible Exception Specification' warning issued here

void g(void);
void g(void) noexcept {      // 'Incompatible Exception Specification' warning issued here
    f();
}

// Dynamic exception specification removed in C++17
#if __cplusplus <= 201402L
void h(void);
void h(void) throw (int);    // 'Incompatible Exception Specification' warning issued here for C++14 and earlier
                             // ('Dynamic Exception Specifications Deprecated' warning also issued for C++11 and C++14)
#endif

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.

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