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Platform/Memory Reporting: Difference between revisions
→An Example Involving Inheritance
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return n; | return n; | ||
} | } | ||
}; | }; | ||
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* <tt>D::SizeOfExcludingThis</tt> must also call <tt>B::SizeOfExcludingThis</tt>, to ensure that any objects pointed to by fields inherited from <tt>B</tt> are measured. | * <tt>D::SizeOfExcludingThis</tt> must also call <tt>B::SizeOfExcludingThis</tt>, to ensure that any objects pointed to by fields inherited from <tt>B</tt> are measured. | ||
* | * <tt>D::SizeOfIncludingThis</tt> is inherited from <tt>B</tt>. The <tt>SizeOfExcludingThis()</tt> call within will be dispatched to <tt>D::SizeOfExcludingThis</tt> when appropriate (because <tt>B::SizeOfIncludingThis</tt> is <tt>virtual</tt>) which is what we want. | ||
* The <tt>NS_MUST_OVERRIDE</tt> is an annotation that indicates that this function must be overridden by any sub-classes. It's used by some static analysis tools. Currently these tools aren't running, but they might in the future, and it's a useful piece of documentation. | * The <tt>NS_MUST_OVERRIDE</tt> is an annotation that indicates that this function must be overridden by any sub-classes. It's used by some static analysis tools. Currently these tools aren't running, but they might in the future, and it's a useful piece of documentation. | ||