// TODO: sometimes equals/hashCode is not generated. See an old version of #1026301

sbool tok_recordDecls_autoWithToList = true;

static void tok_recordDecls(L<S> tok) {
  int i;
  bool re = false;
  
  jreplace(tok, "record <id> > <id> {", "record $2 extends $4 {");
  jreplace(tok, "record <id> > <id><<id>> {", "record $2 extends $4  $5 $6 $7 {");
  
  jreplace(tok, "record <id> {", "record $2() {");
  jreplace(tok, "record <id> implements", "record $2() implements");
  jreplace(tok, "record <id> extends", "record $2() extends");
  
  while ((i = jfind_any(tok, "record <id>(", "record <id><")) >= 0) {
    int argsFrom = smartIndexOf(tok, i, "(")+2;
    int argsTo = findCodeTokens(tok, argsFrom, false, ")");
    int idx = findCodeTokens(tok, argsTo, false, "{");
    ifdef tok_recordDecls_debug
      assertEqualsVerbose("{", get(tok, idx));
    endifdef
    int j = findEndOfBracketPart(tok, idx);
    S name = tok.get(i+2);
    
    int iMod = tok_leftScanCustomModifiers(tok, i, addAllAndReturnCollection(litset("noeq", "flexeq", "noToString", "withToList", "transformable"), getJavaModifiers());
    Set<S> mods = codeTokensAsSet(subList(tok, iMod-1, i));
    clearTokensExceptFromSet(tok, iMod, i-1, getJavaModifiers());

    bool withToList = mods.contains("withToList");
    withToList = withToList || tok_recordDecls_autoWithToList;
    
    new StringBuilder buf;
    
    L<S> tArgs = subList(tok, argsFrom-1, argsTo);
    tok_typesAndNamesOfParams_keepModifiers.set(true);
    LPairS argsWithModifiers = tok_typesAndNamesOfParams(tArgs, typelessMeansObject := true);
    
    LPairS args = tok_typesAndNamesOfParams(tArgs, typelessMeansObject := true);
    L<S> contents = subList(tok, idx+1, j);
    bool hasDefaultConstructor = tok_hasDefaultConstructor(contents, name);
    
    // Make fields
    
    for (Pair<S> p : argsWithModifiers)
      buf.append("\n  " + jreplace(p.a, "...", "[]") + " " + p.b + ";");
      
    if (nempty(args) && !hasDefaultConstructor) buf.append("\n  *() {}");
    
    // add full constructor if not there
    S ctorHead = "\n  *(" + joinWithComma(map(args,
      p -> dropPrefix("new ", p.a) + " *" + p.b)) + ")";
      
    var comments = trimAll(getJavaLineCommentsWithoutNestedBlocks(contents));
    printVars(+ctorHead, +comments);
    if (!contains(comments, "!customConstructor")
      && jfind(contents, tok_escapeAsterisk(ctorHead)) < 0)
      buf.append(ctorHead + " {}");
      
    // Make toString
    
    if (!mods.contains("noToString") && !(jfind(contents, "toString {") >= 0 || jfind(contents, "toString()") >= 0))
      buf.append("\n  toString { ret " 
        + "shortClassName_dropNumberPrefix(this)"
        + (empty(args) ? ""
          : [[ + "(" + ]] + join([[ + ", " + ]], secondOfPairs(args))
            + [[ + ")"]])
        + "; }");
        
    // Make equals and hashCode
      
    if (!mods.contains("noeq")) {
      //buf.append("\n  [stdEq]");
      bool flexEq = mods.contains("flexeq"); // fix for records inside of parameterized classes
      buf.append(tok_genEqualsAndHashCode(name, args, +flexEq));
    }
    
    if (withToList)
      buf.append(tok_genRecordFieldsToList(args));
      
    bool transformable = mods.contains("transformable");
    if (transformable)
      buf.append(tok_genRecordTransformable(name, args));
      
    S interfaces = joinNemptiesWithComma(
      withToList ? "IFieldsToList" : "",
      transformable ? "Transformable, Visitable" : "");

    tok.set(idx, (empty(interfaces) ? ""
      : (contains(subList(tok, argsTo, idx), "implements") ? "," : "implements") + " " + interfaces)
      + "{" + buf);
    ifdef tok_recordDecls_debug
      print("tok_recordDecls replaced " + tok.get(idx));
      print("tok_recordDecls whole: " + join(tok));
    endifdef
    tok.set(i, "class");
    clearTokens(tok, argsFrom-2, argsTo+1);
    reTok(tok, i, idx+1);
    
    // no static fields allowed in non-static classes (for whatever reason)
    if (contains(tok_modifiersLeftOf(tok, i), "static"))
      tok_addFieldOrder(tok, i);

    ifdef tok_recordDecls_debug
      print("tok_recordDecls whole 2: " + join(tok));
    endifdef
    set re;
  }
  if (re) reTok(tok);
}