Sort remaining completion candidates in RegexpCompletor#1230
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ruby#379 sorted local variables and string method candidates, but receiver.method completion (the most common case), symbols, global variables and absolute constants were still returned in method table order, which looks random in the completion dialog. Sort them too. Candidates starting with an underscore go last, so that completing `u.` does not begin with __id__, __send__ and other internals.
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#379 sorted local variables and string method candidates (fixing #349), but
receiver.methodcompletion — the most common case — still returns candidates in method table order, which looks random. Same for symbols, global variables and::constants. With an ActiveRecord model,u.email_addressis listed below all its generated variants:This sorts candidates in
select_message(making the two pre-sorted call sites redundant) and in the symbol/gvar/absolute constant branches.One detail: candidates starting with
_are sorted last, otherwise completingu.would begin with__id__,__send__,_run_commit_callbacksand similar internals instead of regular methods. Same change for TypeCompletor is proposed in ruby/repl_type_completor#78.