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| CodeSonar® 9.2p0 | CONFIDENTIAL | CodeSecure Inc |
The operand of a typeid operator has polymorphic class or struct type.
| Class Name | typeid of Polymorphic Class Type | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Significance | reliability | |||||||||
| Mnemonic | LANG.TYPE.TOPCT | |||||||||
| Categories |
|
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| Availability | Available for C++ only (not C). |
|||||||||
| Enabling | Checks for this warning class are
disabled by default. To enable them, add the following WARNING_FILTER
rule to the project configuration file.
WARNING_FILTER += allow class="typeid of Polymorphic Class Type" |
Japanese (ja)
#include <typeinfo>
struct S { void myfuncS(void) {} }; // non-polymorphic type
struct Sp { virtual void myfuncP(void) {} }; // polymorphic type
S & fS(void);
Sp & fSp(void);
const std::type_info & get_type_info( S *d, Sp * dp, int i) {
switch (i){
case 1:
return typeid(*d); // ok
case 2:
return typeid(*dp); // 'typeid of Polymorphic Class Type' warning issued here
case 3:
return typeid(fS()); // ok
default:
return typeid(fSp()); // 'typeid of Polymorphic Class Type' warning issued here
}
}
The following configuration file parameters affect checks for this warning class.
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