for _, r := range f.Ref {
				if r.Expr == px {
					*px = p.rewriteName(f, r, addPosition)
					r.Done = true
					break
				}
			}

			return
		}

		call, ok := (*px).(*ast.CallExpr)
		if !ok {
			return
		}

		for _, c := range f.Calls {
			if !c.Done && c.Call.Lparen == call.Lparen {
				cstr, nu := p.rewriteCall(f, c)
				if cstr != "" {