build_name
$$ = build_name(getsym($1), yychar == T_LPAREN);
$$ = build_name(current_initsym(), false);
$$ = build_name(current_initsym(), false);
tnode_t *build_name(sym_t *, bool);
tnode_t *ln = build_name(in->in_sym, false);
return build_binary(ln, op, sys, build_name(msym, false));
tn = build_name(se->se_sym, false);