scope replaceKeywordBlock_dyn

sinterface #IReplacer {

  S[] get(LS tok, int iOpening, int iClosing);

}

static LS replaceKeywordBlock_dyn(S bracket default "{", LS tok, S keyword, IReplacer func) {

  for (int i = 0; i < 1000; i++) {

    int idx = findCodeTokens(tok, keyword, bracket);

    if (idx < 0)

      break;

    int j = findEndOfBracketPart(tok, idx+2);

    S[] be = func?.get(tok, idx+2, j-1);

    tok.set(idx, unnull(first(be)));

    tok.set(idx+1, " ");

    tok.set(idx+2, "");

    tok.set(j-1, unnull(second(be)));

    reTok(tok, idx, j);

  }

  ret tok;

}

end scope