Alan Jenkins
913c19161a
start_unit() is a little tangled. There's an easy part we can untangle, then readers can concentrate on the more necessary complexity. * Derive (method, action, mode) more clearly, as disjoint cases based on the command. Don't rely on action_table[_ACTION_INVALID].target being implicitly initialized to NULL. verb_to_method() is now only used on one case, but not because I strongly object to the implicit "StartUnit" cases. It's more a syntax problem. I think the old code takes me longer to understand, because the call comes just above a similar-looking call to verb_to_action(), but the results of the two functions are used in different ways. It also helps that the new code ends up having a more regular form, for the 4 different cases. These changes cost 6 extra lines. * Add an assertion to confirm that we do not pass mode=NULL.
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