Re: Naming convention should separate semantic relations?!
On 10.02.2011 00:23, itaj sherman wrote:
Naming convention should separate semantic relations.
What do you think about the following guideline for naming convention?
The main idea is separating the few groups of semantic relations in
the c++ language. Each identifier name should be marked to express
which group it belongs to sematically.
* Don't misunderstand, it is not like the old hungarian notation,
which marks the c++ variable type or concept, this system marks the
semantic relations.
Most naming conventions I've seen specify part of these groups, but
not all (not as finely separated).
such as:
- prefix underscore for data members.
- uppercase first letter for types
- lowercase first letter for functions
- prefix "I" for interface classes.
Some add a few more groups.
Some IDEs automatically mark groups with different colors.
I am of the opinion that the IDE should do the coloring/distinction and if it doesn't do it, we should live with it and shouldn't obfuscate our code with weird prefixes.
Trying to have consistent CamelCase, underscore_style, lowercase, Uppercase, ALL_UPPER_CASE is all well. Member-Var prefixes also seem natural enough.
Everything else is - IMHO - overkill.
cheers,
Martin
ps: quoting some of your examples below:
My main point is that these are not enough.
[snip ...]
but actually my separation is more fine grained:
[snip ...]
It's not very important how each group is marked. If the IDE has
enough different color markings, the actual identifier names can be
oblivious. My IDE has much fewer colorings. I use a different prefix
for each group.
[snip ...]
1) add the following prefix to an identifier per its group:
c - instantiable type
ec - instanciable template class
i - interface class
ei - interface template class
z - traits class
ez - traits template class
g - function.
f - non-static member function
v - virtual member function.
[snip ...]
/*** code example (with prefixed_lowercase_underscored_names and below
with prfxCapitalizedNames) ***/
namespace n_naming_convention_example {
template< typename jz_name_traits>
class ei_person
{
//xtor
public: virtual ~ei_person() {}
protected: ei_person() {}
//methods
public: jz_name_traits::hc_string f_get_name() const { return
v_get_name(); }
private: virtual jz_name_traits::hc_string v_get_name() const = 0;
private: virtual jz_name_traits::hc_string v_get_title() const = 0;
public: jz_name_traits::hc_string f_get_header() const
{
return ( v_get_title() + " " + f_get_name() );
}
};
[snip ...]
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