PARSE.CWODBNON : Class With operator delete but No operator new

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CodeSonar^® 9.2p0

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C and C++

PARSE.CWODBNON : Class With operator delete but No operator new

Summary

One of the following occurs, and exceptions are disabled.

A class declares operator delete() but does not declare operator new().
A class declares operator delete[]() but does not declare operator new[]().

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

Properties

Class Name

Class With operator delete but No operator new

Significance

style

Mnemonic

PARSE.CWODBNON

Categories

AUTOSARC++14	AUTOSARC++14:A18-5-11	"operator new" and "operator delete" shall be defined together.

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="Class With operator delete but No operator new"

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

WARNING_FILTER += discard class="Class With operator delete but No operator new"

Example

#include <cstdlib>

// class declares both operator new and operator delete
class NewAndDelete {
  public:
    static void  * operator new(std::size_t s);
    static void operator delete(void * ptr);
};

// class declares operator delete and operator delete[] but not operator new or operator new[]
class DeleteAndDeletearr {                      // Two 'Class With operator delete but No operator new' warnings issued here if exceptions are DISABLED
                                                // - one for declaration of operator delete
                                                // - one for declaration of operator delete[]
  public:
    static void operator delete(void *ptr);    
    static void operator delete[](void *ptr);
};

Relevant Configuration File Parameters

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

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