Ranking: standardize symbol scores #656
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I found this code hard to follow and pulled out an enum to help unify things (shown in this PR). Then I realized the language-specific scoring sometimes uses custom factor values that don't match the default ones.
So just opening a draft to get feedback on a proposal. I'd like to use the same set of "symbol kinds" and scores for all languages. The only language-specific differences would be capturing more ctags labels (like "classes" instead of just "class", handling PHP "traits", etc.) This will simplify the logic and make it easier to reason about, since the same kind of symbol will always contribute to the score in the same way. The change would affect scoring, but I don't think the current behavior was so carefully chosen that it'd have a bad effect.