Hi Martin, On Dec 21, 2007 8:30 PM, Martin Alterisio <[EMAIL PROTECTED]> wrote: > I've been pondering about how to algorithmically/mechanically prepare a non > namespaced code for namespaces appliance. This would be a first step which > will just prepare the code for namespaces in a safe way, but not to profit > from aliases created by use. The latest will have to be implemented manually > (IMHO).
phc (www.phpcompiler.org) would be suitable for this purpose. It has good support for nearly all of the features you need. > I've come up with the following, for an organization model of a class per > file. > Please review. > > 1) find the class definition and reduce the class name to namespace/class > 2) add namespace declaration on top of file > 3) replace class name in definition with short name So far this would be trivial. > 4) find all function calls (not method calls) which are not keywords (array, > isset, unset, list, etc) and prefix them with :: list, array etc wouldnt be confused with functions. Functions are just methods without target. You'd need a short list of functions such as empty, unset etc to avoid. > 5) find all class names (static method calls (no self:: nor parent::), new, > catch, type hints, instanceof, extends, implements) and: All of these are trivial. > 5a) replace separator used (possibly: _) with namespace separator (::) > 5b) IF the class has no namespace (ie global namespace) prefix the class > name with :: > 5c) IF the namespace of the class starts with the same namespace found in > (1), remove it or prefix it with namespace:: > (although this is not necessary) This would be easy too. > 6) find static method calls with variables used as class name, and mark them > for user handled refactoring I'm not sure why this couldnt be done automatically, but finding static method calls is also easy. You could add comments to mark these fairly easily. > 7) find internal functions that use callables (call_user_func, array_map, > array_filter, etc) and mark them for user handled refactoring A lot of this could be automated, but there would of course be some which would require marking. > Later on, a methodical way of adding use statements for reducing the class > names used, can be implemented. Although this might be more complicate than > it seems if the method has to be careful to avoid creating possible name > clashes. > > If anyone has a comment on this, I'll be more than grateful if you share. If you need any advice, on this, please let me know. Paul -- Paul Biggar [EMAIL PROTECTED] -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
