PARSE.EMPTY.TSNCXX20 : Empty throw Specification Not C++20

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CodeSonar^® 9.2p0

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C and C++

PARSE.EMPTY.TSNCXX20 : Empty throw Specification Not C++20

Summary

An occurrence of a dynamic exception specification with empty type list, in code that is compiled as C++20 or later.

Properties

Class Name

Empty throw Specification Not C++20

Significance

style

Mnemonic

PARSE.EMPTY.TSNCXX20

Categories

AUTOSARC++14	AUTOSARC++14:A1-1-1	All code shall conform to ISO/IEC 14882:2014 - Programming Language C++ and shall not use deprecated features.
	AUTOSARC++14:A15-4-1	Dynamic exception-specification shall not be used.
MisraC++2023	MisraC++2023:4.1.1	A program shall conform to ISO/IEC 14882:2017 (C++17)

Availability

Available for C and 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="Empty throw Specification Not C++20"

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

WARNING_FILTER += discard class="Empty throw Specification Not C++20"

Example

#include <stdexcept>

void f(void) throw();                    // 'Empty throw Specification Not C++20' warning issued here for C++20 and later

void h(void);                                       // no dynamic exception specification
                                           
void g(void) throw(std::runtime_error);             // nonempty type list
                                                    // ('Dynamic Exception Specifications Deprecated' warning issued for C++11 and C++14;
                                                    //  'Dynamic Exception Specifications Not Permitted' warning issued for C++17 and later;
                                                    //  may be a compiler error for C++17 and later)

Relevant Configuration File Parameters

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

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