camlinternalFormat.js

'use strict';

var Char = require("./char.js");
var Block = require("./block.js");
var Bytes = require("./bytes.js");
var Curry = require("./curry.js");
var $$Buffer = require("./buffer.js");
var $$String = require("./string.js");
var Caml_io = require("./caml_io.js");
var Caml_obj = require("./caml_obj.js");
var Caml_bytes = require("./caml_bytes.js");
var Caml_int32 = require("./caml_int32.js");
var Pervasives = require("./pervasives.js");
var Caml_format = require("./caml_format.js");
var Caml_string = require("./caml_string.js");
var Caml_primitive = require("./caml_primitive.js");
var Caml_exceptions = require("./caml_exceptions.js");
var Caml_js_exceptions = require("./caml_js_exceptions.js");
var Caml_builtin_exceptions = require("./caml_builtin_exceptions.js");
var CamlinternalFormatBasics = require("./camlinternalFormatBasics.js");

function create_char_set(param) {
  return Bytes.make(32, /* "\000" */0);
}

function add_in_char_set(char_set, c) {
  var str_ind = (c >>> 3);
  var mask = (1 << (c & 7));
  char_set[str_ind] = Pervasives.char_of_int(Caml_bytes.get(char_set, str_ind) | mask);
  return /* () */0;
}

var freeze_char_set = Bytes.to_string;

function rev_char_set(char_set) {
  var char_set$prime = Bytes.make(32, /* "\000" */0);
  for(var i = 0; i <= 31; ++i){
    char_set$prime[i] = Pervasives.char_of_int(Caml_string.get(char_set, i) ^ 255);
  }
  return Caml_bytes.bytes_to_string(char_set$prime);
}

function is_in_char_set(char_set, c) {
  var str_ind = (c >>> 3);
  var mask = (1 << (c & 7));
  return (Caml_string.get(char_set, str_ind) & mask) !== 0;
}

function pad_of_pad_opt(pad_opt) {
  if (pad_opt !== undefined) {
    return /* Lit_padding */Block.__(0, [
              /* Right */1,
              pad_opt
            ]);
  } else {
    return /* No_padding */0;
  }
}

function prec_of_prec_opt(prec_opt) {
  if (prec_opt !== undefined) {
    return /* Lit_precision */[prec_opt];
  } else {
    return /* No_precision */0;
  }
}

function param_format_of_ignored_format(ign, fmt) {
  if (typeof ign === "number") {
    switch (ign) {
      case /* Ignored_char */0 :
          return /* Param_format_EBB */[/* Char */Block.__(0, [fmt])];
      case /* Ignored_caml_char */1 :
          return /* Param_format_EBB */[/* Caml_char */Block.__(1, [fmt])];
      case /* Ignored_reader */2 :
          return /* Param_format_EBB */[/* Reader */Block.__(19, [fmt])];
      case /* Ignored_scan_next_char */3 :
          return /* Param_format_EBB */[/* Scan_next_char */Block.__(22, [fmt])];
      
    }
  } else {
    switch (ign.tag | 0) {
      case /* Ignored_string */0 :
          return /* Param_format_EBB */[/* String */Block.__(2, [
                      pad_of_pad_opt(ign[0]),
                      fmt
                    ])];
      case /* Ignored_caml_string */1 :
          return /* Param_format_EBB */[/* Caml_string */Block.__(3, [
                      pad_of_pad_opt(ign[0]),
                      fmt
                    ])];
      case /* Ignored_int */2 :
          return /* Param_format_EBB */[/* Int */Block.__(4, [
                      ign[0],
                      pad_of_pad_opt(ign[1]),
                      /* No_precision */0,
                      fmt
                    ])];
      case /* Ignored_int32 */3 :
          return /* Param_format_EBB */[/* Int32 */Block.__(5, [
                      ign[0],
                      pad_of_pad_opt(ign[1]),
                      /* No_precision */0,
                      fmt
                    ])];
      case /* Ignored_nativeint */4 :
          return /* Param_format_EBB */[/* Nativeint */Block.__(6, [
                      ign[0],
                      pad_of_pad_opt(ign[1]),
                      /* No_precision */0,
                      fmt
                    ])];
      case /* Ignored_int64 */5 :
          return /* Param_format_EBB */[/* Int64 */Block.__(7, [
                      ign[0],
                      pad_of_pad_opt(ign[1]),
                      /* No_precision */0,
                      fmt
                    ])];
      case /* Ignored_float */6 :
          return /* Param_format_EBB */[/* Float */Block.__(8, [
                      /* Float_f */0,
                      pad_of_pad_opt(ign[0]),
                      prec_of_prec_opt(ign[1]),
                      fmt
                    ])];
      case /* Ignored_bool */7 :
          return /* Param_format_EBB */[/* Bool */Block.__(9, [
                      pad_of_pad_opt(ign[0]),
                      fmt
                    ])];
      case /* Ignored_format_arg */8 :
          return /* Param_format_EBB */[/* Format_arg */Block.__(13, [
                      ign[0],
                      ign[1],
                      fmt
                    ])];
      case /* Ignored_format_subst */9 :
          return /* Param_format_EBB */[/* Format_subst */Block.__(14, [
                      ign[0],
                      ign[1],
                      fmt
                    ])];
      case /* Ignored_scan_char_set */10 :
          return /* Param_format_EBB */[/* Scan_char_set */Block.__(20, [
                      ign[0],
                      ign[1],
                      fmt
                    ])];
      case /* Ignored_scan_get_counter */11 :
          return /* Param_format_EBB */[/* Scan_get_counter */Block.__(21, [
                      ign[0],
                      fmt
                    ])];
      
    }
  }
}

function buffer_check_size(buf, overhead) {
  var len = buf.bytes.length;
  var min_len = buf.ind + overhead | 0;
  if (min_len > len) {
    var new_len = Caml_primitive.caml_int_max((len << 1), min_len);
    var new_str = Caml_bytes.caml_create_bytes(new_len);
    Bytes.blit(buf.bytes, 0, new_str, 0, len);
    buf.bytes = new_str;
    return /* () */0;
  } else {
    return 0;
  }
}

function buffer_add_char(buf, c) {
  buffer_check_size(buf, 1);
  buf.bytes[buf.ind] = c;
  buf.ind = buf.ind + 1 | 0;
  return /* () */0;
}

function buffer_add_string(buf, s) {
  var str_len = s.length;
  buffer_check_size(buf, str_len);
  $$String.blit(s, 0, buf.bytes, buf.ind, str_len);
  buf.ind = buf.ind + str_len | 0;
  return /* () */0;
}

function buffer_contents(buf) {
  return Bytes.sub_string(buf.bytes, 0, buf.ind);
}

function char_of_iconv(iconv) {
  switch (iconv) {
    case /* Int_d */0 :
    case /* Int_pd */1 :
    case /* Int_sd */2 :
        return /* "d" */100;
    case /* Int_i */3 :
    case /* Int_pi */4 :
    case /* Int_si */5 :
        return /* "i" */105;
    case /* Int_x */6 :
    case /* Int_Cx */7 :
        return /* "x" */120;
    case /* Int_X */8 :
    case /* Int_CX */9 :
        return /* "X" */88;
    case /* Int_o */10 :
    case /* Int_Co */11 :
        return /* "o" */111;
    case /* Int_u */12 :
        return /* "u" */117;
    
  }
}

function char_of_fconv(fconv) {
  switch (fconv) {
    case /* Float_f */0 :
    case /* Float_pf */1 :
    case /* Float_sf */2 :
        return /* "f" */102;
    case /* Float_e */3 :
    case /* Float_pe */4 :
    case /* Float_se */5 :
        return /* "e" */101;
    case /* Float_E */6 :
    case /* Float_pE */7 :
    case /* Float_sE */8 :
        return /* "E" */69;
    case /* Float_g */9 :
    case /* Float_pg */10 :
    case /* Float_sg */11 :
        return /* "g" */103;
    case /* Float_G */12 :
    case /* Float_pG */13 :
    case /* Float_sG */14 :
        return /* "G" */71;
    case /* Float_F */15 :
        return /* "F" */70;
    case /* Float_h */16 :
    case /* Float_ph */17 :
    case /* Float_sh */18 :
        return /* "h" */104;
    case /* Float_H */19 :
    case /* Float_pH */20 :
    case /* Float_sH */21 :
        return /* "H" */72;
    
  }
}

function char_of_counter(counter) {
  switch (counter) {
    case /* Line_counter */0 :
        return /* "l" */108;
    case /* Char_counter */1 :
        return /* "n" */110;
    case /* Token_counter */2 :
        return /* "N" */78;
    
  }
}

function bprint_char_set(buf, char_set) {
  var print_char = function (buf, i) {
    var c = Pervasives.char_of_int(i);
    if (c !== 37) {
      if (c !== 64) {
        return buffer_add_char(buf, c);
      } else {
        buffer_add_char(buf, /* "%" */37);
        return buffer_add_char(buf, /* "@" */64);
      }
    } else {
      buffer_add_char(buf, /* "%" */37);
      return buffer_add_char(buf, /* "%" */37);
    }
  };
  var print_out = function (set, _i) {
    while(true) {
      var i = _i;
      if (i < 256) {
        if (is_in_char_set(set, Pervasives.char_of_int(i))) {
          var set$1 = set;
          var i$1 = i;
          var match = Pervasives.char_of_int(i$1);
          var switcher = match - 45 | 0;
          if (switcher > 48 || switcher < 0) {
            if (switcher >= 210) {
              return print_char(buf, 255);
            } else {
              return print_second(set$1, i$1 + 1 | 0);
            }
          } else if (switcher > 47 || switcher < 1) {
            return print_out(set$1, i$1 + 1 | 0);
          } else {
            return print_second(set$1, i$1 + 1 | 0);
          }
        } else {
          _i = i + 1 | 0;
          continue ;
        }
      } else {
        return 0;
      }
    };
  };
  var print_second = function (set, i) {
    if (is_in_char_set(set, Pervasives.char_of_int(i))) {
      var match = Pervasives.char_of_int(i);
      var switcher = match - 45 | 0;
      if (switcher > 48 || switcher < 0) {
        if (switcher >= 210) {
          print_char(buf, 254);
          return print_char(buf, 255);
        }
        
      } else if ((switcher > 47 || switcher < 1) && !is_in_char_set(set, Pervasives.char_of_int(i + 1 | 0))) {
        print_char(buf, i - 1 | 0);
        return print_out(set, i + 1 | 0);
      }
      if (is_in_char_set(set, Pervasives.char_of_int(i + 1 | 0))) {
        var set$1 = set;
        var i$1 = i - 1 | 0;
        var _j = i + 2 | 0;
        while(true) {
          var j = _j;
          if (j === 256 || !is_in_char_set(set$1, Pervasives.char_of_int(j))) {
            print_char(buf, i$1);
            print_char(buf, /* "-" */45);
            print_char(buf, j - 1 | 0);
            if (j < 256) {
              return print_out(set$1, j + 1 | 0);
            } else {
              return 0;
            }
          } else {
            _j = j + 1 | 0;
            continue ;
          }
        };
      } else {
        print_char(buf, i - 1 | 0);
        print_char(buf, i);
        return print_out(set, i + 2 | 0);
      }
    } else {
      print_char(buf, i - 1 | 0);
      return print_out(set, i + 1 | 0);
    }
  };
  var print_start = function (set) {
    var is_alone = function (c) {
      var before = Char.chr(c - 1 | 0);
      var after = Char.chr(c + 1 | 0);
      if (is_in_char_set(set, c)) {
        return !(is_in_char_set(set, before) && is_in_char_set(set, after));
      } else {
        return false;
      }
    };
    if (is_alone(/* "]" */93)) {
      buffer_add_char(buf, /* "]" */93);
    }
    print_out(set, 1);
    if (is_alone(/* "-" */45)) {
      return buffer_add_char(buf, /* "-" */45);
    } else {
      return 0;
    }
  };
  buffer_add_char(buf, /* "[" */91);
  print_start(is_in_char_set(char_set, /* "\000" */0) ? (buffer_add_char(buf, /* "^" */94), rev_char_set(char_set)) : char_set);
  return buffer_add_char(buf, /* "]" */93);
}

function bprint_padty(buf, padty) {
  switch (padty) {
    case /* Left */0 :
        return buffer_add_char(buf, /* "-" */45);
    case /* Right */1 :
        return /* () */0;
    case /* Zeros */2 :
        return buffer_add_char(buf, /* "0" */48);
    
  }
}

function bprint_ignored_flag(buf, ign_flag) {
  if (ign_flag) {
    return buffer_add_char(buf, /* "_" */95);
  } else {
    return 0;
  }
}

function bprint_pad_opt(buf, pad_opt) {
  if (pad_opt !== undefined) {
    return buffer_add_string(buf, String(pad_opt));
  } else {
    return /* () */0;
  }
}

function bprint_padding(buf, pad) {
  if (typeof pad === "number") {
    return /* () */0;
  } else {
    bprint_padty(buf, pad[0]);
    if (pad.tag) {
      return buffer_add_char(buf, /* "*" */42);
    } else {
      return buffer_add_string(buf, String(pad[1]));
    }
  }
}

function bprint_precision(buf, prec) {
  if (typeof prec === "number") {
    if (prec !== 0) {
      return buffer_add_string(buf, ".*");
    } else {
      return /* () */0;
    }
  } else {
    buffer_add_char(buf, /* "." */46);
    return buffer_add_string(buf, String(prec[0]));
  }
}

function bprint_iconv_flag(buf, iconv) {
  switch (iconv) {
    case /* Int_pd */1 :
    case /* Int_pi */4 :
        return buffer_add_char(buf, /* "+" */43);
    case /* Int_sd */2 :
    case /* Int_si */5 :
        return buffer_add_char(buf, /* " " */32);
    case /* Int_Cx */7 :
    case /* Int_CX */9 :
    case /* Int_Co */11 :
        return buffer_add_char(buf, /* "#" */35);
    case /* Int_d */0 :
    case /* Int_i */3 :
    case /* Int_x */6 :
    case /* Int_X */8 :
    case /* Int_o */10 :
    case /* Int_u */12 :
        return /* () */0;
    
  }
}

function bprint_int_fmt(buf, ign_flag, iconv, pad, prec) {
  buffer_add_char(buf, /* "%" */37);
  bprint_ignored_flag(buf, ign_flag);
  bprint_iconv_flag(buf, iconv);
  bprint_padding(buf, pad);
  bprint_precision(buf, prec);
  return buffer_add_char(buf, char_of_iconv(iconv));
}

function bprint_altint_fmt(buf, ign_flag, iconv, pad, prec, c) {
  buffer_add_char(buf, /* "%" */37);
  bprint_ignored_flag(buf, ign_flag);
  bprint_iconv_flag(buf, iconv);
  bprint_padding(buf, pad);
  bprint_precision(buf, prec);
  buffer_add_char(buf, c);
  return buffer_add_char(buf, char_of_iconv(iconv));
}

function bprint_fconv_flag(buf, fconv) {
  switch (fconv) {
    case /* Float_f */0 :
    case /* Float_e */3 :
    case /* Float_E */6 :
    case /* Float_g */9 :
    case /* Float_G */12 :
    case /* Float_F */15 :
    case /* Float_h */16 :
    case /* Float_H */19 :
        return /* () */0;
    case /* Float_pf */1 :
    case /* Float_pe */4 :
    case /* Float_pE */7 :
    case /* Float_pg */10 :
    case /* Float_pG */13 :
    case /* Float_ph */17 :
    case /* Float_pH */20 :
        return buffer_add_char(buf, /* "+" */43);
    case /* Float_sf */2 :
    case /* Float_se */5 :
    case /* Float_sE */8 :
    case /* Float_sg */11 :
    case /* Float_sG */14 :
    case /* Float_sh */18 :
    case /* Float_sH */21 :
        return buffer_add_char(buf, /* " " */32);
    
  }
}

function bprint_float_fmt(buf, ign_flag, fconv, pad, prec) {
  buffer_add_char(buf, /* "%" */37);
  bprint_ignored_flag(buf, ign_flag);
  bprint_fconv_flag(buf, fconv);
  bprint_padding(buf, pad);
  bprint_precision(buf, prec);
  return buffer_add_char(buf, char_of_fconv(fconv));
}

function string_of_formatting_lit(formatting_lit) {
  if (typeof formatting_lit === "number") {
    switch (formatting_lit) {
      case /* Close_box */0 :
          return "@]";
      case /* Close_tag */1 :
          return "@}";
      case /* FFlush */2 :
          return "@?";
      case /* Force_newline */3 :
          return "@\n";
      case /* Flush_newline */4 :
          return "@.";
      case /* Escaped_at */5 :
          return "@@";
      case /* Escaped_percent */6 :
          return "@%";
      
    }
  } else {
    switch (formatting_lit.tag | 0) {
      case /* Break */0 :
      case /* Magic_size */1 :
          return formatting_lit[0];
      case /* Scan_indic */2 :
          return "@" + Caml_bytes.bytes_to_string(Bytes.make(1, formatting_lit[0]));
      
    }
  }
}

function string_of_formatting_gen(formatting_gen) {
  return formatting_gen[0][1];
}

function bprint_char_literal(buf, chr) {
  if (chr !== 37) {
    return buffer_add_char(buf, chr);
  } else {
    return buffer_add_string(buf, "%%");
  }
}

function bprint_string_literal(buf, str) {
  for(var i = 0 ,i_finish = str.length - 1 | 0; i <= i_finish; ++i){
    bprint_char_literal(buf, Caml_string.get(str, i));
  }
  return /* () */0;
}

function bprint_fmtty(buf, _fmtty) {
  while(true) {
    var fmtty = _fmtty;
    if (typeof fmtty === "number") {
      return /* () */0;
    } else {
      switch (fmtty.tag | 0) {
        case /* Char_ty */0 :
            buffer_add_string(buf, "%c");
            _fmtty = fmtty[0];
            continue ;
        case /* String_ty */1 :
            buffer_add_string(buf, "%s");
            _fmtty = fmtty[0];
            continue ;
        case /* Int_ty */2 :
            buffer_add_string(buf, "%i");
            _fmtty = fmtty[0];
            continue ;
        case /* Int32_ty */3 :
            buffer_add_string(buf, "%li");
            _fmtty = fmtty[0];
            continue ;
        case /* Nativeint_ty */4 :
            buffer_add_string(buf, "%ni");
            _fmtty = fmtty[0];
            continue ;
        case /* Int64_ty */5 :
            buffer_add_string(buf, "%Li");
            _fmtty = fmtty[0];
            continue ;
        case /* Float_ty */6 :
            buffer_add_string(buf, "%f");
            _fmtty = fmtty[0];
            continue ;
        case /* Bool_ty */7 :
            buffer_add_string(buf, "%B");
            _fmtty = fmtty[0];
            continue ;
        case /* Format_arg_ty */8 :
            buffer_add_string(buf, "%{");
            bprint_fmtty(buf, fmtty[0]);
            buffer_add_string(buf, "%}");
            _fmtty = fmtty[1];
            continue ;
        case /* Format_subst_ty */9 :
            buffer_add_string(buf, "%(");
            bprint_fmtty(buf, fmtty[0]);
            buffer_add_string(buf, "%)");
            _fmtty = fmtty[2];
            continue ;
        case /* Alpha_ty */10 :
            buffer_add_string(buf, "%a");
            _fmtty = fmtty[0];
            continue ;
        case /* Theta_ty */11 :
            buffer_add_string(buf, "%t");
            _fmtty = fmtty[0];
            continue ;
        case /* Any_ty */12 :
            buffer_add_string(buf, "%?");
            _fmtty = fmtty[0];
            continue ;
        case /* Reader_ty */13 :
            buffer_add_string(buf, "%r");
            _fmtty = fmtty[0];
            continue ;
        case /* Ignored_reader_ty */14 :
            buffer_add_string(buf, "%_r");
            _fmtty = fmtty[0];
            continue ;
        
      }
    }
  };
}

function int_of_custom_arity(param) {
  if (param) {
    return 1 + int_of_custom_arity(param[0]) | 0;
  } else {
    return 0;
  }
}

function bprint_fmt(buf, fmt) {
  var _fmt = fmt;
  var _ign_flag = false;
  while(true) {
    var ign_flag = _ign_flag;
    var fmt$1 = _fmt;
    if (typeof fmt$1 === "number") {
      return /* () */0;
    } else {
      switch (fmt$1.tag | 0) {
        case /* Char */0 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            buffer_add_char(buf, /* "c" */99);
            _ign_flag = false;
            _fmt = fmt$1[0];
            continue ;
        case /* Caml_char */1 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            buffer_add_char(buf, /* "C" */67);
            _ign_flag = false;
            _fmt = fmt$1[0];
            continue ;
        case /* String */2 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            bprint_padding(buf, fmt$1[0]);
            buffer_add_char(buf, /* "s" */115);
            _ign_flag = false;
            _fmt = fmt$1[1];
            continue ;
        case /* Caml_string */3 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            bprint_padding(buf, fmt$1[0]);
            buffer_add_char(buf, /* "S" */83);
            _ign_flag = false;
            _fmt = fmt$1[1];
            continue ;
        case /* Int */4 :
            bprint_int_fmt(buf, ign_flag, fmt$1[0], fmt$1[1], fmt$1[2]);
            _ign_flag = false;
            _fmt = fmt$1[3];
            continue ;
        case /* Int32 */5 :
            bprint_altint_fmt(buf, ign_flag, fmt$1[0], fmt$1[1], fmt$1[2], /* "l" */108);
            _ign_flag = false;
            _fmt = fmt$1[3];
            continue ;
        case /* Nativeint */6 :
            bprint_altint_fmt(buf, ign_flag, fmt$1[0], fmt$1[1], fmt$1[2], /* "n" */110);
            _ign_flag = false;
            _fmt = fmt$1[3];
            continue ;
        case /* Int64 */7 :
            bprint_altint_fmt(buf, ign_flag, fmt$1[0], fmt$1[1], fmt$1[2], /* "L" */76);
            _ign_flag = false;
            _fmt = fmt$1[3];
            continue ;
        case /* Float */8 :
            bprint_float_fmt(buf, ign_flag, fmt$1[0], fmt$1[1], fmt$1[2]);
            _ign_flag = false;
            _fmt = fmt$1[3];
            continue ;
        case /* Bool */9 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            bprint_padding(buf, fmt$1[0]);
            buffer_add_char(buf, /* "B" */66);
            _ign_flag = false;
            _fmt = fmt$1[1];
            continue ;
        case /* Flush */10 :
            buffer_add_string(buf, "%!");
            _fmt = fmt$1[0];
            continue ;
        case /* String_literal */11 :
            bprint_string_literal(buf, fmt$1[0]);
            _fmt = fmt$1[1];
            continue ;
        case /* Char_literal */12 :
            bprint_char_literal(buf, fmt$1[0]);
            _fmt = fmt$1[1];
            continue ;
        case /* Format_arg */13 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            bprint_pad_opt(buf, fmt$1[0]);
            buffer_add_char(buf, /* "{" */123);
            bprint_fmtty(buf, fmt$1[1]);
            buffer_add_char(buf, /* "%" */37);
            buffer_add_char(buf, /* "}" */125);
            _ign_flag = false;
            _fmt = fmt$1[2];
            continue ;
        case /* Format_subst */14 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            bprint_pad_opt(buf, fmt$1[0]);
            buffer_add_char(buf, /* "(" */40);
            bprint_fmtty(buf, fmt$1[1]);
            buffer_add_char(buf, /* "%" */37);
            buffer_add_char(buf, /* ")" */41);
            _ign_flag = false;
            _fmt = fmt$1[2];
            continue ;
        case /* Alpha */15 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            buffer_add_char(buf, /* "a" */97);
            _ign_flag = false;
            _fmt = fmt$1[0];
            continue ;
        case /* Theta */16 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            buffer_add_char(buf, /* "t" */116);
            _ign_flag = false;
            _fmt = fmt$1[0];
            continue ;
        case /* Formatting_lit */17 :
            bprint_string_literal(buf, string_of_formatting_lit(fmt$1[0]));
            _fmt = fmt$1[1];
            continue ;
        case /* Formatting_gen */18 :
            bprint_string_literal(buf, "@{");
            bprint_string_literal(buf, string_of_formatting_gen(fmt$1[0]));
            _fmt = fmt$1[1];
            continue ;
        case /* Reader */19 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            buffer_add_char(buf, /* "r" */114);
            _ign_flag = false;
            _fmt = fmt$1[0];
            continue ;
        case /* Scan_char_set */20 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            bprint_pad_opt(buf, fmt$1[0]);
            bprint_char_set(buf, fmt$1[1]);
            _ign_flag = false;
            _fmt = fmt$1[2];
            continue ;
        case /* Scan_get_counter */21 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            buffer_add_char(buf, char_of_counter(fmt$1[0]));
            _ign_flag = false;
            _fmt = fmt$1[1];
            continue ;
        case /* Scan_next_char */22 :
            buffer_add_char(buf, /* "%" */37);
            bprint_ignored_flag(buf, ign_flag);
            bprint_string_literal(buf, "0c");
            _ign_flag = false;
            _fmt = fmt$1[0];
            continue ;
        case /* Ignored_param */23 :
            var match = param_format_of_ignored_format(fmt$1[0], fmt$1[1]);
            _ign_flag = true;
            _fmt = match[0];
            continue ;
        case /* Custom */24 :
            for(var _i = 1 ,_i_finish = int_of_custom_arity(fmt$1[0]); _i <= _i_finish; ++_i){
              buffer_add_char(buf, /* "%" */37);
              bprint_ignored_flag(buf, ign_flag);
              buffer_add_char(buf, /* "?" */63);
            }
            _ign_flag = false;
            _fmt = fmt$1[2];
            continue ;
        
      }
    }
  };
}

function string_of_fmt(fmt) {
  var buf = {
    ind: 0,
    bytes: Caml_bytes.caml_create_bytes(16)
  };
  bprint_fmt(buf, fmt);
  return buffer_contents(buf);
}

function symm(param) {
  if (typeof param === "number") {
    return /* End_of_fmtty */0;
  } else {
    switch (param.tag | 0) {
      case /* Char_ty */0 :
          return /* Char_ty */Block.__(0, [symm(param[0])]);
      case /* String_ty */1 :
          return /* String_ty */Block.__(1, [symm(param[0])]);
      case /* Int_ty */2 :
          return /* Int_ty */Block.__(2, [symm(param[0])]);
      case /* Int32_ty */3 :
          return /* Int32_ty */Block.__(3, [symm(param[0])]);
      case /* Nativeint_ty */4 :
          return /* Nativeint_ty */Block.__(4, [symm(param[0])]);
      case /* Int64_ty */5 :
          return /* Int64_ty */Block.__(5, [symm(param[0])]);
      case /* Float_ty */6 :
          return /* Float_ty */Block.__(6, [symm(param[0])]);
      case /* Bool_ty */7 :
          return /* Bool_ty */Block.__(7, [symm(param[0])]);
      case /* Format_arg_ty */8 :
          return /* Format_arg_ty */Block.__(8, [
                    param[0],
                    symm(param[1])
                  ]);
      case /* Format_subst_ty */9 :
          return /* Format_subst_ty */Block.__(9, [
                    param[1],
                    param[0],
                    symm(param[2])
                  ]);
      case /* Alpha_ty */10 :
          return /* Alpha_ty */Block.__(10, [symm(param[0])]);
      case /* Theta_ty */11 :
          return /* Theta_ty */Block.__(11, [symm(param[0])]);
      case /* Any_ty */12 :
          return /* Any_ty */Block.__(12, [symm(param[0])]);
      case /* Reader_ty */13 :
          return /* Reader_ty */Block.__(13, [symm(param[0])]);
      case /* Ignored_reader_ty */14 :
          return /* Ignored_reader_ty */Block.__(14, [symm(param[0])]);
      
    }
  }
}

function fmtty_rel_det(param) {
  if (typeof param === "number") {
    return /* tuple */[
            (function (param) {
                return /* Refl */0;
              }),
            (function (param) {
                return /* Refl */0;
              }),
            (function (param) {
                return /* Refl */0;
              }),
            (function (param) {
                return /* Refl */0;
              })
          ];
  } else {
    switch (param.tag | 0) {
      case /* Char_ty */0 :
          var match = fmtty_rel_det(param[0]);
          var af = match[1];
          var fa = match[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match[2],
                  match[3]
                ];
      case /* String_ty */1 :
          var match$1 = fmtty_rel_det(param[0]);
          var af$1 = match$1[1];
          var fa$1 = match$1[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$1, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$1, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$1[2],
                  match$1[3]
                ];
      case /* Int_ty */2 :
          var match$2 = fmtty_rel_det(param[0]);
          var af$2 = match$2[1];
          var fa$2 = match$2[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$2, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$2, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$2[2],
                  match$2[3]
                ];
      case /* Int32_ty */3 :
          var match$3 = fmtty_rel_det(param[0]);
          var af$3 = match$3[1];
          var fa$3 = match$3[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$3, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$3, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$3[2],
                  match$3[3]
                ];
      case /* Nativeint_ty */4 :
          var match$4 = fmtty_rel_det(param[0]);
          var af$4 = match$4[1];
          var fa$4 = match$4[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$4, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$4, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$4[2],
                  match$4[3]
                ];
      case /* Int64_ty */5 :
          var match$5 = fmtty_rel_det(param[0]);
          var af$5 = match$5[1];
          var fa$5 = match$5[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$5, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$5, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$5[2],
                  match$5[3]
                ];
      case /* Float_ty */6 :
          var match$6 = fmtty_rel_det(param[0]);
          var af$6 = match$6[1];
          var fa$6 = match$6[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$6, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$6, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$6[2],
                  match$6[3]
                ];
      case /* Bool_ty */7 :
          var match$7 = fmtty_rel_det(param[0]);
          var af$7 = match$7[1];
          var fa$7 = match$7[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$7, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$7, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$7[2],
                  match$7[3]
                ];
      case /* Format_arg_ty */8 :
          var match$8 = fmtty_rel_det(param[1]);
          var af$8 = match$8[1];
          var fa$8 = match$8[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$8, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$8, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$8[2],
                  match$8[3]
                ];
      case /* Format_subst_ty */9 :
          var match$9 = fmtty_rel_det(param[2]);
          var de = match$9[3];
          var ed = match$9[2];
          var af$9 = match$9[1];
          var fa$9 = match$9[0];
          var ty = trans(symm(param[0]), param[1]);
          var match$10 = fmtty_rel_det(ty);
          var jd = match$10[3];
          var dj = match$10[2];
          var ga = match$10[1];
          var ag = match$10[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$9, /* Refl */0);
                      Curry._1(ag, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(ga, /* Refl */0);
                      Curry._1(af$9, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(ed, /* Refl */0);
                      Curry._1(dj, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(jd, /* Refl */0);
                      Curry._1(de, /* Refl */0);
                      return /* Refl */0;
                    })
                ];
      case /* Alpha_ty */10 :
          var match$11 = fmtty_rel_det(param[0]);
          var af$10 = match$11[1];
          var fa$10 = match$11[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$10, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$10, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$11[2],
                  match$11[3]
                ];
      case /* Theta_ty */11 :
          var match$12 = fmtty_rel_det(param[0]);
          var af$11 = match$12[1];
          var fa$11 = match$12[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$11, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$11, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$12[2],
                  match$12[3]
                ];
      case /* Any_ty */12 :
          var match$13 = fmtty_rel_det(param[0]);
          var af$12 = match$13[1];
          var fa$12 = match$13[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$12, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$12, /* Refl */0);
                      return /* Refl */0;
                    }),
                  match$13[2],
                  match$13[3]
                ];
      case /* Reader_ty */13 :
          var match$14 = fmtty_rel_det(param[0]);
          var de$1 = match$14[3];
          var ed$1 = match$14[2];
          var af$13 = match$14[1];
          var fa$13 = match$14[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$13, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$13, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(ed$1, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(de$1, /* Refl */0);
                      return /* Refl */0;
                    })
                ];
      case /* Ignored_reader_ty */14 :
          var match$15 = fmtty_rel_det(param[0]);
          var de$2 = match$15[3];
          var ed$2 = match$15[2];
          var af$14 = match$15[1];
          var fa$14 = match$15[0];
          return /* tuple */[
                  (function (param) {
                      Curry._1(fa$14, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(af$14, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(ed$2, /* Refl */0);
                      return /* Refl */0;
                    }),
                  (function (param) {
                      Curry._1(de$2, /* Refl */0);
                      return /* Refl */0;
                    })
                ];
      
    }
  }
}

function trans(ty1, ty2) {
  var exit = 0;
  if (typeof ty1 === "number") {
    if (typeof ty2 === "number") {
      return /* End_of_fmtty */0;
    } else {
      switch (ty2.tag | 0) {
        case /* Format_arg_ty */8 :
            exit = 6;
            break;
        case /* Format_subst_ty */9 :
            exit = 7;
            break;
        case /* Alpha_ty */10 :
            exit = 1;
            break;
        case /* Theta_ty */11 :
            exit = 2;
            break;
        case /* Any_ty */12 :
            exit = 3;
            break;
        case /* Reader_ty */13 :
            exit = 4;
            break;
        case /* Ignored_reader_ty */14 :
            exit = 5;
            break;
        default:
          throw [
                Caml_builtin_exceptions.assert_failure,
                /* tuple */[
                  "camlinternalFormat.ml",
                  846,
                  23
                ]
              ];
      }
    }
  } else {
    switch (ty1.tag | 0) {
      case /* Char_ty */0 :
          if (typeof ty2 === "number") {
            exit = 8;
          } else {
            switch (ty2.tag | 0) {
              case /* Char_ty */0 :
                  return /* Char_ty */Block.__(0, [trans(ty1[0], ty2[0])]);
              case /* Format_arg_ty */8 :
                  exit = 6;
                  break;
              case /* Format_subst_ty */9 :
                  exit = 7;
                  break;
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  exit = 5;
                  break;
              
            }
          }
          break;
      case /* String_ty */1 :
          if (typeof ty2 === "number") {
            exit = 8;
          } else {
            switch (ty2.tag | 0) {
              case /* String_ty */1 :
                  return /* String_ty */Block.__(1, [trans(ty1[0], ty2[0])]);
              case /* Format_arg_ty */8 :
                  exit = 6;
                  break;
              case /* Format_subst_ty */9 :
                  exit = 7;
                  break;
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  exit = 5;
                  break;
              
            }
          }
          break;
      case /* Int_ty */2 :
          if (typeof ty2 === "number") {
            exit = 8;
          } else {
            switch (ty2.tag | 0) {
              case /* Int_ty */2 :
                  return /* Int_ty */Block.__(2, [trans(ty1[0], ty2[0])]);
              case /* Format_arg_ty */8 :
                  exit = 6;
                  break;
              case /* Format_subst_ty */9 :
                  exit = 7;
                  break;
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  exit = 5;
                  break;
              
            }
          }
          break;
      case /* Int32_ty */3 :
          if (typeof ty2 === "number") {
            exit = 8;
          } else {
            switch (ty2.tag | 0) {
              case /* Int32_ty */3 :
                  return /* Int32_ty */Block.__(3, [trans(ty1[0], ty2[0])]);
              case /* Format_arg_ty */8 :
                  exit = 6;
                  break;
              case /* Format_subst_ty */9 :
                  exit = 7;
                  break;
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  exit = 5;
                  break;
              
            }
          }
          break;
      case /* Nativeint_ty */4 :
          if (typeof ty2 === "number") {
            exit = 8;
          } else {
            switch (ty2.tag | 0) {
              case /* Nativeint_ty */4 :
                  return /* Nativeint_ty */Block.__(4, [trans(ty1[0], ty2[0])]);
              case /* Format_arg_ty */8 :
                  exit = 6;
                  break;
              case /* Format_subst_ty */9 :
                  exit = 7;
                  break;
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  exit = 5;
                  break;
              
            }
          }
          break;
      case /* Int64_ty */5 :
          if (typeof ty2 === "number") {
            exit = 8;
          } else {
            switch (ty2.tag | 0) {
              case /* Int64_ty */5 :
                  return /* Int64_ty */Block.__(5, [trans(ty1[0], ty2[0])]);
              case /* Format_arg_ty */8 :
                  exit = 6;
                  break;
              case /* Format_subst_ty */9 :
                  exit = 7;
                  break;
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  exit = 5;
                  break;
              
            }
          }
          break;
      case /* Float_ty */6 :
          if (typeof ty2 === "number") {
            exit = 8;
          } else {
            switch (ty2.tag | 0) {
              case /* Float_ty */6 :
                  return /* Float_ty */Block.__(6, [trans(ty1[0], ty2[0])]);
              case /* Format_arg_ty */8 :
                  exit = 6;
                  break;
              case /* Format_subst_ty */9 :
                  exit = 7;
                  break;
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  exit = 5;
                  break;
              
            }
          }
          break;
      case /* Bool_ty */7 :
          if (typeof ty2 === "number") {
            exit = 8;
          } else {
            switch (ty2.tag | 0) {
              case /* Bool_ty */7 :
                  return /* Bool_ty */Block.__(7, [trans(ty1[0], ty2[0])]);
              case /* Format_arg_ty */8 :
                  exit = 6;
                  break;
              case /* Format_subst_ty */9 :
                  exit = 7;
                  break;
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  exit = 5;
                  break;
              
            }
          }
          break;
      case /* Format_arg_ty */8 :
          if (typeof ty2 === "number") {
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    832,
                    26
                  ]
                ];
          } else {
            switch (ty2.tag | 0) {
              case /* Format_arg_ty */8 :
                  return /* Format_arg_ty */Block.__(8, [
                            trans(ty1[0], ty2[0]),
                            trans(ty1[1], ty2[1])
                          ]);
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  exit = 5;
                  break;
              default:
                throw [
                      Caml_builtin_exceptions.assert_failure,
                      /* tuple */[
                        "camlinternalFormat.ml",
                        832,
                        26
                      ]
                    ];
            }
          }
          break;
      case /* Format_subst_ty */9 :
          if (typeof ty2 === "number") {
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    842,
                    28
                  ]
                ];
          } else {
            switch (ty2.tag | 0) {
              case /* Format_arg_ty */8 :
                  exit = 6;
                  break;
              case /* Format_subst_ty */9 :
                  var ty = trans(symm(ty1[1]), ty2[0]);
                  var match = fmtty_rel_det(ty);
                  Curry._1(match[1], /* Refl */0);
                  Curry._1(match[3], /* Refl */0);
                  return /* Format_subst_ty */Block.__(9, [
                            ty1[0],
                            ty2[1],
                            trans(ty1[2], ty2[2])
                          ]);
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  exit = 5;
                  break;
              default:
                throw [
                      Caml_builtin_exceptions.assert_failure,
                      /* tuple */[
                        "camlinternalFormat.ml",
                        842,
                        28
                      ]
                    ];
            }
          }
          break;
      case /* Alpha_ty */10 :
          if (typeof ty2 === "number") {
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    810,
                    21
                  ]
                ];
          } else if (ty2.tag === /* Alpha_ty */10) {
            return /* Alpha_ty */Block.__(10, [trans(ty1[0], ty2[0])]);
          } else {
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    810,
                    21
                  ]
                ];
          }
      case /* Theta_ty */11 :
          if (typeof ty2 === "number") {
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    814,
                    21
                  ]
                ];
          } else {
            switch (ty2.tag | 0) {
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  return /* Theta_ty */Block.__(11, [trans(ty1[0], ty2[0])]);
              default:
                throw [
                      Caml_builtin_exceptions.assert_failure,
                      /* tuple */[
                        "camlinternalFormat.ml",
                        814,
                        21
                      ]
                    ];
            }
          }
          break;
      case /* Any_ty */12 :
          if (typeof ty2 === "number") {
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    818,
                    19
                  ]
                ];
          } else {
            switch (ty2.tag | 0) {
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  return /* Any_ty */Block.__(12, [trans(ty1[0], ty2[0])]);
              default:
                throw [
                      Caml_builtin_exceptions.assert_failure,
                      /* tuple */[
                        "camlinternalFormat.ml",
                        818,
                        19
                      ]
                    ];
            }
          }
          break;
      case /* Reader_ty */13 :
          if (typeof ty2 === "number") {
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    822,
                    22
                  ]
                ];
          } else {
            switch (ty2.tag | 0) {
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  return /* Reader_ty */Block.__(13, [trans(ty1[0], ty2[0])]);
              default:
                throw [
                      Caml_builtin_exceptions.assert_failure,
                      /* tuple */[
                        "camlinternalFormat.ml",
                        822,
                        22
                      ]
                    ];
            }
          }
          break;
      case /* Ignored_reader_ty */14 :
          if (typeof ty2 === "number") {
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    827,
                    30
                  ]
                ];
          } else {
            switch (ty2.tag | 0) {
              case /* Alpha_ty */10 :
                  exit = 1;
                  break;
              case /* Theta_ty */11 :
                  exit = 2;
                  break;
              case /* Any_ty */12 :
                  exit = 3;
                  break;
              case /* Reader_ty */13 :
                  exit = 4;
                  break;
              case /* Ignored_reader_ty */14 :
                  return /* Ignored_reader_ty */Block.__(14, [trans(ty1[0], ty2[0])]);
              default:
                throw [
                      Caml_builtin_exceptions.assert_failure,
                      /* tuple */[
                        "camlinternalFormat.ml",
                        827,
                        30
                      ]
                    ];
            }
          }
          break;
      
    }
  }
  switch (exit) {
    case 1 :
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                811,
                21
              ]
            ];
    case 2 :
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                815,
                21
              ]
            ];
    case 3 :
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                819,
                19
              ]
            ];
    case 4 :
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                823,
                22
              ]
            ];
    case 5 :
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                828,
                30
              ]
            ];
    case 6 :
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                833,
                26
              ]
            ];
    case 7 :
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                843,
                28
              ]
            ];
    case 8 :
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                847,
                23
              ]
            ];
    
  }
}

function fmtty_of_formatting_gen(formatting_gen) {
  return fmtty_of_fmt(formatting_gen[0][0]);
}

function fmtty_of_fmt(_fmtty) {
  while(true) {
    var fmtty = _fmtty;
    if (typeof fmtty === "number") {
      return /* End_of_fmtty */0;
    } else {
      switch (fmtty.tag | 0) {
        case /* String */2 :
        case /* Caml_string */3 :
            break;
        case /* Int */4 :
            var ty_rest = fmtty_of_fmt(fmtty[3]);
            var prec_ty = fmtty_of_precision_fmtty(fmtty[2], /* Int_ty */Block.__(2, [ty_rest]));
            return fmtty_of_padding_fmtty(fmtty[1], prec_ty);
        case /* Int32 */5 :
            var ty_rest$1 = fmtty_of_fmt(fmtty[3]);
            var prec_ty$1 = fmtty_of_precision_fmtty(fmtty[2], /* Int32_ty */Block.__(3, [ty_rest$1]));
            return fmtty_of_padding_fmtty(fmtty[1], prec_ty$1);
        case /* Nativeint */6 :
            var ty_rest$2 = fmtty_of_fmt(fmtty[3]);
            var prec_ty$2 = fmtty_of_precision_fmtty(fmtty[2], /* Nativeint_ty */Block.__(4, [ty_rest$2]));
            return fmtty_of_padding_fmtty(fmtty[1], prec_ty$2);
        case /* Int64 */7 :
            var ty_rest$3 = fmtty_of_fmt(fmtty[3]);
            var prec_ty$3 = fmtty_of_precision_fmtty(fmtty[2], /* Int64_ty */Block.__(5, [ty_rest$3]));
            return fmtty_of_padding_fmtty(fmtty[1], prec_ty$3);
        case /* Float */8 :
            var ty_rest$4 = fmtty_of_fmt(fmtty[3]);
            var prec_ty$4 = fmtty_of_precision_fmtty(fmtty[2], /* Float_ty */Block.__(6, [ty_rest$4]));
            return fmtty_of_padding_fmtty(fmtty[1], prec_ty$4);
        case /* Bool */9 :
            return fmtty_of_padding_fmtty(fmtty[0], /* Bool_ty */Block.__(7, [fmtty_of_fmt(fmtty[1])]));
        case /* Flush */10 :
            _fmtty = fmtty[0];
            continue ;
        case /* Format_arg */13 :
            return /* Format_arg_ty */Block.__(8, [
                      fmtty[1],
                      fmtty_of_fmt(fmtty[2])
                    ]);
        case /* Format_subst */14 :
            var ty = fmtty[1];
            return /* Format_subst_ty */Block.__(9, [
                      ty,
                      ty,
                      fmtty_of_fmt(fmtty[2])
                    ]);
        case /* Alpha */15 :
            return /* Alpha_ty */Block.__(10, [fmtty_of_fmt(fmtty[0])]);
        case /* Theta */16 :
            return /* Theta_ty */Block.__(11, [fmtty_of_fmt(fmtty[0])]);
        case /* String_literal */11 :
        case /* Char_literal */12 :
        case /* Formatting_lit */17 :
            _fmtty = fmtty[1];
            continue ;
        case /* Formatting_gen */18 :
            return CamlinternalFormatBasics.concat_fmtty(fmtty_of_formatting_gen(fmtty[0]), fmtty_of_fmt(fmtty[1]));
        case /* Reader */19 :
            return /* Reader_ty */Block.__(13, [fmtty_of_fmt(fmtty[0])]);
        case /* Scan_char_set */20 :
            return /* String_ty */Block.__(1, [fmtty_of_fmt(fmtty[2])]);
        case /* Scan_get_counter */21 :
            return /* Int_ty */Block.__(2, [fmtty_of_fmt(fmtty[1])]);
        case /* Ignored_param */23 :
            var ign = fmtty[0];
            var fmt = fmtty[1];
            if (typeof ign === "number") {
              if (ign === /* Ignored_reader */2) {
                return /* Ignored_reader_ty */Block.__(14, [fmtty_of_fmt(fmt)]);
              } else {
                return fmtty_of_fmt(fmt);
              }
            } else if (ign.tag === /* Ignored_format_subst */9) {
              return CamlinternalFormatBasics.concat_fmtty(ign[1], fmtty_of_fmt(fmt));
            } else {
              return fmtty_of_fmt(fmt);
            }
        case /* Custom */24 :
            return fmtty_of_custom(fmtty[0], fmtty_of_fmt(fmtty[2]));
        default:
          return /* Char_ty */Block.__(0, [fmtty_of_fmt(fmtty[0])]);
      }
    }
    return fmtty_of_padding_fmtty(fmtty[0], /* String_ty */Block.__(1, [fmtty_of_fmt(fmtty[1])]));
  };
}

function fmtty_of_custom(arity, fmtty) {
  if (arity) {
    return /* Any_ty */Block.__(12, [fmtty_of_custom(arity[0], fmtty)]);
  } else {
    return fmtty;
  }
}

function fmtty_of_padding_fmtty(pad, fmtty) {
  if (typeof pad === "number" || !pad.tag) {
    return fmtty;
  } else {
    return /* Int_ty */Block.__(2, [fmtty]);
  }
}

function fmtty_of_precision_fmtty(prec, fmtty) {
  if (typeof prec === "number" && prec !== 0) {
    return /* Int_ty */Block.__(2, [fmtty]);
  } else {
    return fmtty;
  }
}

var Type_mismatch = Caml_exceptions.create("CamlinternalFormat.Type_mismatch");

function type_padding(pad, fmtty) {
  if (typeof pad === "number") {
    return /* Padding_fmtty_EBB */[
            /* No_padding */0,
            fmtty
          ];
  } else if (pad.tag) {
    if (typeof fmtty === "number") {
      throw Type_mismatch;
    } else if (fmtty.tag === /* Int_ty */2) {
      return /* Padding_fmtty_EBB */[
              /* Arg_padding */Block.__(1, [pad[0]]),
              fmtty[0]
            ];
    } else {
      throw Type_mismatch;
    }
  } else {
    return /* Padding_fmtty_EBB */[
            /* Lit_padding */Block.__(0, [
                pad[0],
                pad[1]
              ]),
            fmtty
          ];
  }
}

function type_padprec(pad, prec, fmtty) {
  var match = type_padding(pad, fmtty);
  if (typeof prec === "number") {
    if (prec !== 0) {
      var match$1 = match[1];
      if (typeof match$1 === "number") {
        throw Type_mismatch;
      } else if (match$1.tag === /* Int_ty */2) {
        return /* Padprec_fmtty_EBB */[
                match[0],
                /* Arg_precision */1,
                match$1[0]
              ];
      } else {
        throw Type_mismatch;
      }
    } else {
      return /* Padprec_fmtty_EBB */[
              match[0],
              /* No_precision */0,
              match[1]
            ];
    }
  } else {
    return /* Padprec_fmtty_EBB */[
            match[0],
            /* Lit_precision */[prec[0]],
            match[1]
          ];
  }
}

function type_ignored_format_substitution(sub_fmtty, fmt, fmtty) {
  if (typeof sub_fmtty === "number") {
    return /* Fmtty_fmt_EBB */[
            /* End_of_fmtty */0,
            type_format_gen(fmt, fmtty)
          ];
  } else {
    switch (sub_fmtty.tag | 0) {
      case /* Char_ty */0 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag) {
            throw Type_mismatch;
          } else {
            var match = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Char_ty */Block.__(0, [match[0]]),
                    match[1]
                  ];
          }
      case /* String_ty */1 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* String_ty */1) {
            var match$1 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* String_ty */Block.__(1, [match$1[0]]),
                    match$1[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Int_ty */2 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Int_ty */2) {
            var match$2 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Int_ty */Block.__(2, [match$2[0]]),
                    match$2[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Int32_ty */3 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Int32_ty */3) {
            var match$3 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Int32_ty */Block.__(3, [match$3[0]]),
                    match$3[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Nativeint_ty */4 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Nativeint_ty */4) {
            var match$4 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Nativeint_ty */Block.__(4, [match$4[0]]),
                    match$4[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Int64_ty */5 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Int64_ty */5) {
            var match$5 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Int64_ty */Block.__(5, [match$5[0]]),
                    match$5[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Float_ty */6 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Float_ty */6) {
            var match$6 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Float_ty */Block.__(6, [match$6[0]]),
                    match$6[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Bool_ty */7 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Bool_ty */7) {
            var match$7 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Bool_ty */Block.__(7, [match$7[0]]),
                    match$7[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Format_arg_ty */8 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Format_arg_ty */8) {
            var sub2_fmtty$prime = fmtty[0];
            if (Caml_obj.caml_notequal(/* Fmtty_EBB */[sub_fmtty[0]], /* Fmtty_EBB */[sub2_fmtty$prime])) {
              throw Type_mismatch;
            }
            var match$8 = type_ignored_format_substitution(sub_fmtty[1], fmt, fmtty[1]);
            return /* Fmtty_fmt_EBB */[
                    /* Format_arg_ty */Block.__(8, [
                        sub2_fmtty$prime,
                        match$8[0]
                      ]),
                    match$8[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Format_subst_ty */9 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Format_subst_ty */9) {
            var sub2_fmtty$prime$1 = fmtty[1];
            var sub1_fmtty$prime = fmtty[0];
            if (Caml_obj.caml_notequal(/* Fmtty_EBB */[CamlinternalFormatBasics.erase_rel(sub_fmtty[0])], /* Fmtty_EBB */[CamlinternalFormatBasics.erase_rel(sub1_fmtty$prime)])) {
              throw Type_mismatch;
            }
            if (Caml_obj.caml_notequal(/* Fmtty_EBB */[CamlinternalFormatBasics.erase_rel(sub_fmtty[1])], /* Fmtty_EBB */[CamlinternalFormatBasics.erase_rel(sub2_fmtty$prime$1)])) {
              throw Type_mismatch;
            }
            var sub_fmtty$prime = trans(symm(sub1_fmtty$prime), sub2_fmtty$prime$1);
            var match$9 = fmtty_rel_det(sub_fmtty$prime);
            Curry._1(match$9[1], /* Refl */0);
            Curry._1(match$9[3], /* Refl */0);
            var match$10 = type_ignored_format_substitution(CamlinternalFormatBasics.erase_rel(sub_fmtty[2]), fmt, fmtty[2]);
            return /* Fmtty_fmt_EBB */[
                    /* Format_subst_ty */Block.__(9, [
                        sub1_fmtty$prime,
                        sub2_fmtty$prime$1,
                        symm(match$10[0])
                      ]),
                    match$10[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Alpha_ty */10 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Alpha_ty */10) {
            var match$11 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Alpha_ty */Block.__(10, [match$11[0]]),
                    match$11[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Theta_ty */11 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Theta_ty */11) {
            var match$12 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Theta_ty */Block.__(11, [match$12[0]]),
                    match$12[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Any_ty */12 :
          throw Type_mismatch;
      case /* Reader_ty */13 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Reader_ty */13) {
            var match$13 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Reader_ty */Block.__(13, [match$13[0]]),
                    match$13[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Ignored_reader_ty */14 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Ignored_reader_ty */14) {
            var match$14 = type_ignored_format_substitution(sub_fmtty[0], fmt, fmtty[0]);
            return /* Fmtty_fmt_EBB */[
                    /* Ignored_reader_ty */Block.__(14, [match$14[0]]),
                    match$14[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      
    }
  }
}

function type_format_gen(fmt, fmtty) {
  if (typeof fmt === "number") {
    return /* Fmt_fmtty_EBB */[
            /* End_of_format */0,
            fmtty
          ];
  } else {
    switch (fmt.tag | 0) {
      case /* Char */0 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag) {
            throw Type_mismatch;
          } else {
            var match = type_format_gen(fmt[0], fmtty[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Char */Block.__(0, [match[0]]),
                    match[1]
                  ];
          }
      case /* Caml_char */1 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag) {
            throw Type_mismatch;
          } else {
            var match$1 = type_format_gen(fmt[0], fmtty[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Caml_char */Block.__(1, [match$1[0]]),
                    match$1[1]
                  ];
          }
      case /* String */2 :
          var match$2 = type_padding(fmt[0], fmtty);
          var match$3 = match$2[1];
          if (typeof match$3 === "number") {
            throw Type_mismatch;
          } else if (match$3.tag === /* String_ty */1) {
            var match$4 = type_format_gen(fmt[1], match$3[0]);
            return /* Fmt_fmtty_EBB */[
                    /* String */Block.__(2, [
                        match$2[0],
                        match$4[0]
                      ]),
                    match$4[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Caml_string */3 :
          var match$5 = type_padding(fmt[0], fmtty);
          var match$6 = match$5[1];
          if (typeof match$6 === "number") {
            throw Type_mismatch;
          } else if (match$6.tag === /* String_ty */1) {
            var match$7 = type_format_gen(fmt[1], match$6[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Caml_string */Block.__(3, [
                        match$5[0],
                        match$7[0]
                      ]),
                    match$7[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Int */4 :
          var match$8 = type_padprec(fmt[1], fmt[2], fmtty);
          var match$9 = match$8[2];
          if (typeof match$9 === "number") {
            throw Type_mismatch;
          } else if (match$9.tag === /* Int_ty */2) {
            var match$10 = type_format_gen(fmt[3], match$9[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Int */Block.__(4, [
                        fmt[0],
                        match$8[0],
                        match$8[1],
                        match$10[0]
                      ]),
                    match$10[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Int32 */5 :
          var match$11 = type_padprec(fmt[1], fmt[2], fmtty);
          var match$12 = match$11[2];
          if (typeof match$12 === "number") {
            throw Type_mismatch;
          } else if (match$12.tag === /* Int32_ty */3) {
            var match$13 = type_format_gen(fmt[3], match$12[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Int32 */Block.__(5, [
                        fmt[0],
                        match$11[0],
                        match$11[1],
                        match$13[0]
                      ]),
                    match$13[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Nativeint */6 :
          var match$14 = type_padprec(fmt[1], fmt[2], fmtty);
          var match$15 = match$14[2];
          if (typeof match$15 === "number") {
            throw Type_mismatch;
          } else if (match$15.tag === /* Nativeint_ty */4) {
            var match$16 = type_format_gen(fmt[3], match$15[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Nativeint */Block.__(6, [
                        fmt[0],
                        match$14[0],
                        match$14[1],
                        match$16[0]
                      ]),
                    match$16[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Int64 */7 :
          var match$17 = type_padprec(fmt[1], fmt[2], fmtty);
          var match$18 = match$17[2];
          if (typeof match$18 === "number") {
            throw Type_mismatch;
          } else if (match$18.tag === /* Int64_ty */5) {
            var match$19 = type_format_gen(fmt[3], match$18[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Int64 */Block.__(7, [
                        fmt[0],
                        match$17[0],
                        match$17[1],
                        match$19[0]
                      ]),
                    match$19[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Float */8 :
          var match$20 = type_padprec(fmt[1], fmt[2], fmtty);
          var match$21 = match$20[2];
          if (typeof match$21 === "number") {
            throw Type_mismatch;
          } else if (match$21.tag === /* Float_ty */6) {
            var match$22 = type_format_gen(fmt[3], match$21[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Float */Block.__(8, [
                        fmt[0],
                        match$20[0],
                        match$20[1],
                        match$22[0]
                      ]),
                    match$22[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Bool */9 :
          var match$23 = type_padding(fmt[0], fmtty);
          var match$24 = match$23[1];
          if (typeof match$24 === "number") {
            throw Type_mismatch;
          } else if (match$24.tag === /* Bool_ty */7) {
            var match$25 = type_format_gen(fmt[1], match$24[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Bool */Block.__(9, [
                        match$23[0],
                        match$25[0]
                      ]),
                    match$25[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Flush */10 :
          var match$26 = type_format_gen(fmt[0], fmtty);
          return /* Fmt_fmtty_EBB */[
                  /* Flush */Block.__(10, [match$26[0]]),
                  match$26[1]
                ];
      case /* String_literal */11 :
          var match$27 = type_format_gen(fmt[1], fmtty);
          return /* Fmt_fmtty_EBB */[
                  /* String_literal */Block.__(11, [
                      fmt[0],
                      match$27[0]
                    ]),
                  match$27[1]
                ];
      case /* Char_literal */12 :
          var match$28 = type_format_gen(fmt[1], fmtty);
          return /* Fmt_fmtty_EBB */[
                  /* Char_literal */Block.__(12, [
                      fmt[0],
                      match$28[0]
                    ]),
                  match$28[1]
                ];
      case /* Format_arg */13 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Format_arg_ty */8) {
            var sub_fmtty$prime = fmtty[0];
            if (Caml_obj.caml_notequal(/* Fmtty_EBB */[fmt[1]], /* Fmtty_EBB */[sub_fmtty$prime])) {
              throw Type_mismatch;
            }
            var match$29 = type_format_gen(fmt[2], fmtty[1]);
            return /* Fmt_fmtty_EBB */[
                    /* Format_arg */Block.__(13, [
                        fmt[0],
                        sub_fmtty$prime,
                        match$29[0]
                      ]),
                    match$29[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Format_subst */14 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Format_subst_ty */9) {
            var sub_fmtty1 = fmtty[0];
            if (Caml_obj.caml_notequal(/* Fmtty_EBB */[CamlinternalFormatBasics.erase_rel(fmt[1])], /* Fmtty_EBB */[CamlinternalFormatBasics.erase_rel(sub_fmtty1)])) {
              throw Type_mismatch;
            }
            var match$30 = type_format_gen(fmt[2], CamlinternalFormatBasics.erase_rel(fmtty[2]));
            return /* Fmt_fmtty_EBB */[
                    /* Format_subst */Block.__(14, [
                        fmt[0],
                        sub_fmtty1,
                        match$30[0]
                      ]),
                    match$30[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Alpha */15 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Alpha_ty */10) {
            var match$31 = type_format_gen(fmt[0], fmtty[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Alpha */Block.__(15, [match$31[0]]),
                    match$31[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Theta */16 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Theta_ty */11) {
            var match$32 = type_format_gen(fmt[0], fmtty[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Theta */Block.__(16, [match$32[0]]),
                    match$32[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Formatting_lit */17 :
          var match$33 = type_format_gen(fmt[1], fmtty);
          return /* Fmt_fmtty_EBB */[
                  /* Formatting_lit */Block.__(17, [
                      fmt[0],
                      match$33[0]
                    ]),
                  match$33[1]
                ];
      case /* Formatting_gen */18 :
          var formatting_gen = fmt[0];
          var fmt0 = fmt[1];
          var fmtty0 = fmtty;
          if (formatting_gen.tag) {
            var match$34 = formatting_gen[0];
            var match$35 = type_format_gen(match$34[0], fmtty0);
            var match$36 = type_format_gen(fmt0, match$35[1]);
            return /* Fmt_fmtty_EBB */[
                    /* Formatting_gen */Block.__(18, [
                        /* Open_box */Block.__(1, [/* Format */[
                              match$35[0],
                              match$34[1]
                            ]]),
                        match$36[0]
                      ]),
                    match$36[1]
                  ];
          } else {
            var match$37 = formatting_gen[0];
            var match$38 = type_format_gen(match$37[0], fmtty0);
            var match$39 = type_format_gen(fmt0, match$38[1]);
            return /* Fmt_fmtty_EBB */[
                    /* Formatting_gen */Block.__(18, [
                        /* Open_tag */Block.__(0, [/* Format */[
                              match$38[0],
                              match$37[1]
                            ]]),
                        match$39[0]
                      ]),
                    match$39[1]
                  ];
          }
      case /* Reader */19 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Reader_ty */13) {
            var match$40 = type_format_gen(fmt[0], fmtty[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Reader */Block.__(19, [match$40[0]]),
                    match$40[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Scan_char_set */20 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* String_ty */1) {
            var match$41 = type_format_gen(fmt[2], fmtty[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Scan_char_set */Block.__(20, [
                        fmt[0],
                        fmt[1],
                        match$41[0]
                      ]),
                    match$41[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Scan_get_counter */21 :
          if (typeof fmtty === "number") {
            throw Type_mismatch;
          } else if (fmtty.tag === /* Int_ty */2) {
            var match$42 = type_format_gen(fmt[1], fmtty[0]);
            return /* Fmt_fmtty_EBB */[
                    /* Scan_get_counter */Block.__(21, [
                        fmt[0],
                        match$42[0]
                      ]),
                    match$42[1]
                  ];
          } else {
            throw Type_mismatch;
          }
      case /* Ignored_param */23 :
          var ign = fmt[0];
          var fmt$1 = fmt[1];
          var fmtty$1 = fmtty;
          if (typeof ign === "number") {
            if (ign === /* Ignored_reader */2) {
              if (typeof fmtty$1 === "number") {
                throw Type_mismatch;
              } else if (fmtty$1.tag === /* Ignored_reader_ty */14) {
                var match$43 = type_format_gen(fmt$1, fmtty$1[0]);
                return /* Fmt_fmtty_EBB */[
                        /* Ignored_param */Block.__(23, [
                            /* Ignored_reader */2,
                            match$43[0]
                          ]),
                        match$43[1]
                      ];
              } else {
                throw Type_mismatch;
              }
            } else {
              return type_ignored_param_one(ign, fmt$1, fmtty$1);
            }
          } else {
            switch (ign.tag | 0) {
              case /* Ignored_format_arg */8 :
                  return type_ignored_param_one(/* Ignored_format_arg */Block.__(8, [
                                ign[0],
                                ign[1]
                              ]), fmt$1, fmtty$1);
              case /* Ignored_format_subst */9 :
                  var match$44 = type_ignored_format_substitution(ign[1], fmt$1, fmtty$1);
                  var match$45 = match$44[1];
                  return /* Fmt_fmtty_EBB */[
                          /* Ignored_param */Block.__(23, [
                              /* Ignored_format_subst */Block.__(9, [
                                  ign[0],
                                  match$44[0]
                                ]),
                              match$45[0]
                            ]),
                          match$45[1]
                        ];
              default:
                return type_ignored_param_one(ign, fmt$1, fmtty$1);
            }
          }
      case /* Scan_next_char */22 :
      case /* Custom */24 :
          throw Type_mismatch;
      
    }
  }
}

function type_ignored_param_one(ign, fmt, fmtty) {
  var match = type_format_gen(fmt, fmtty);
  return /* Fmt_fmtty_EBB */[
          /* Ignored_param */Block.__(23, [
              ign,
              match[0]
            ]),
          match[1]
        ];
}

function type_format(fmt, fmtty) {
  var match = type_format_gen(fmt, fmtty);
  if (typeof match[1] === "number") {
    return match[0];
  } else {
    throw Type_mismatch;
  }
}

function recast(fmt, fmtty) {
  return type_format(fmt, CamlinternalFormatBasics.erase_rel(symm(fmtty)));
}

function fix_padding(padty, width, str) {
  var len = str.length;
  var width$1 = Pervasives.abs(width);
  var padty$1 = width < 0 ? /* Left */0 : padty;
  if (width$1 <= len) {
    return str;
  } else {
    var res = Bytes.make(width$1, padty$1 === /* Zeros */2 ? /* "0" */48 : /* " " */32);
    switch (padty$1) {
      case /* Left */0 :
          $$String.blit(str, 0, res, 0, len);
          break;
      case /* Right */1 :
          $$String.blit(str, 0, res, width$1 - len | 0, len);
          break;
      case /* Zeros */2 :
          if (len > 0 && (Caml_string.get(str, 0) === /* "+" */43 || Caml_string.get(str, 0) === /* "-" */45 || Caml_string.get(str, 0) === /* " " */32)) {
            res[0] = Caml_string.get(str, 0);
            $$String.blit(str, 1, res, (width$1 - len | 0) + 1 | 0, len - 1 | 0);
          } else if (len > 1 && Caml_string.get(str, 0) === /* "0" */48 && (Caml_string.get(str, 1) === /* "x" */120 || Caml_string.get(str, 1) === /* "X" */88)) {
            res[1] = Caml_string.get(str, 1);
            $$String.blit(str, 2, res, (width$1 - len | 0) + 2 | 0, len - 2 | 0);
          } else {
            $$String.blit(str, 0, res, width$1 - len | 0, len);
          }
          break;
      
    }
    return Caml_bytes.bytes_to_string(res);
  }
}

function fix_int_precision(prec, str) {
  var prec$1 = Pervasives.abs(prec);
  var len = str.length;
  var c = Caml_string.get(str, 0);
  var exit = 0;
  if (c >= 58) {
    if (c >= 71) {
      if (c > 102 || c < 97) {
        return str;
      } else {
        exit = 2;
      }
    } else if (c >= 65) {
      exit = 2;
    } else {
      return str;
    }
  } else if (c !== 32) {
    if (c >= 43) {
      switch (c - 43 | 0) {
        case 0 :
        case 2 :
            exit = 1;
            break;
        case 1 :
        case 3 :
        case 4 :
            return str;
        case 5 :
            if ((prec$1 + 2 | 0) > len && len > 1 && (Caml_string.get(str, 1) === /* "x" */120 || Caml_string.get(str, 1) === /* "X" */88)) {
              var res = Bytes.make(prec$1 + 2 | 0, /* "0" */48);
              res[1] = Caml_string.get(str, 1);
              $$String.blit(str, 2, res, (prec$1 - len | 0) + 4 | 0, len - 2 | 0);
              return Caml_bytes.bytes_to_string(res);
            } else {
              exit = 2;
            }
            break;
        case 6 :
        case 7 :
        case 8 :
        case 9 :
        case 10 :
        case 11 :
        case 12 :
        case 13 :
        case 14 :
            exit = 2;
            break;
        
      }
    } else {
      return str;
    }
  } else {
    exit = 1;
  }
  switch (exit) {
    case 1 :
        if ((prec$1 + 1 | 0) > len) {
          var res$1 = Bytes.make(prec$1 + 1 | 0, /* "0" */48);
          res$1[0] = c;
          $$String.blit(str, 1, res$1, (prec$1 - len | 0) + 2 | 0, len - 1 | 0);
          return Caml_bytes.bytes_to_string(res$1);
        } else {
          return str;
        }
    case 2 :
        if (prec$1 > len) {
          var res$2 = Bytes.make(prec$1, /* "0" */48);
          $$String.blit(str, 0, res$2, prec$1 - len | 0, len);
          return Caml_bytes.bytes_to_string(res$2);
        } else {
          return str;
        }
    
  }
}

function string_to_caml_string(str) {
  var str$1 = $$String.escaped(str);
  var l = str$1.length;
  var res = Bytes.make(l + 2 | 0, /* "\"" */34);
  Caml_bytes.caml_blit_string(str$1, 0, res, 1, l);
  return Caml_bytes.bytes_to_string(res);
}

function format_of_iconv(param) {
  switch (param) {
    case /* Int_d */0 :
        return "%d";
    case /* Int_pd */1 :
        return "%+d";
    case /* Int_sd */2 :
        return "% d";
    case /* Int_i */3 :
        return "%i";
    case /* Int_pi */4 :
        return "%+i";
    case /* Int_si */5 :
        return "% i";
    case /* Int_x */6 :
        return "%x";
    case /* Int_Cx */7 :
        return "%#x";
    case /* Int_X */8 :
        return "%X";
    case /* Int_CX */9 :
        return "%#X";
    case /* Int_o */10 :
        return "%o";
    case /* Int_Co */11 :
        return "%#o";
    case /* Int_u */12 :
        return "%u";
    
  }
}

function format_of_iconvL(param) {
  switch (param) {
    case /* Int_d */0 :
        return "%Ld";
    case /* Int_pd */1 :
        return "%+Ld";
    case /* Int_sd */2 :
        return "% Ld";
    case /* Int_i */3 :
        return "%Li";
    case /* Int_pi */4 :
        return "%+Li";
    case /* Int_si */5 :
        return "% Li";
    case /* Int_x */6 :
        return "%Lx";
    case /* Int_Cx */7 :
        return "%#Lx";
    case /* Int_X */8 :
        return "%LX";
    case /* Int_CX */9 :
        return "%#LX";
    case /* Int_o */10 :
        return "%Lo";
    case /* Int_Co */11 :
        return "%#Lo";
    case /* Int_u */12 :
        return "%Lu";
    
  }
}

function format_of_iconvl(param) {
  switch (param) {
    case /* Int_d */0 :
        return "%ld";
    case /* Int_pd */1 :
        return "%+ld";
    case /* Int_sd */2 :
        return "% ld";
    case /* Int_i */3 :
        return "%li";
    case /* Int_pi */4 :
        return "%+li";
    case /* Int_si */5 :
        return "% li";
    case /* Int_x */6 :
        return "%lx";
    case /* Int_Cx */7 :
        return "%#lx";
    case /* Int_X */8 :
        return "%lX";
    case /* Int_CX */9 :
        return "%#lX";
    case /* Int_o */10 :
        return "%lo";
    case /* Int_Co */11 :
        return "%#lo";
    case /* Int_u */12 :
        return "%lu";
    
  }
}

function format_of_iconvn(param) {
  switch (param) {
    case /* Int_d */0 :
        return "%nd";
    case /* Int_pd */1 :
        return "%+nd";
    case /* Int_sd */2 :
        return "% nd";
    case /* Int_i */3 :
        return "%ni";
    case /* Int_pi */4 :
        return "%+ni";
    case /* Int_si */5 :
        return "% ni";
    case /* Int_x */6 :
        return "%nx";
    case /* Int_Cx */7 :
        return "%#nx";
    case /* Int_X */8 :
        return "%nX";
    case /* Int_CX */9 :
        return "%#nX";
    case /* Int_o */10 :
        return "%no";
    case /* Int_Co */11 :
        return "%#no";
    case /* Int_u */12 :
        return "%nu";
    
  }
}

function format_of_fconv(fconv, prec) {
  if (fconv === /* Float_F */15) {
    return "%.12g";
  } else {
    var prec$1 = Pervasives.abs(prec);
    var symb = char_of_fconv(fconv);
    var buf = {
      ind: 0,
      bytes: Caml_bytes.caml_create_bytes(16)
    };
    buffer_add_char(buf, /* "%" */37);
    bprint_fconv_flag(buf, fconv);
    buffer_add_char(buf, /* "." */46);
    buffer_add_string(buf, String(prec$1));
    buffer_add_char(buf, symb);
    return buffer_contents(buf);
  }
}

function convert_int(iconv, n) {
  return Caml_format.caml_format_int(format_of_iconv(iconv), n);
}

function convert_int32(iconv, n) {
  return Caml_format.caml_int32_format(format_of_iconvl(iconv), n);
}

function convert_nativeint(iconv, n) {
  return Caml_format.caml_nativeint_format(format_of_iconvn(iconv), n);
}

function convert_int64(iconv, n) {
  return Caml_format.caml_int64_format(format_of_iconvL(iconv), n);
}

function convert_float(fconv, prec, x) {
  if (fconv >= 16) {
    var sign;
    if (fconv >= 17) {
      switch (fconv - 17 | 0) {
        case /* Float_sf */2 :
            sign = /* "-" */45;
            break;
        case /* Float_f */0 :
        case /* Float_e */3 :
            sign = /* "+" */43;
            break;
        case /* Float_pf */1 :
        case /* Float_pe */4 :
            sign = /* " " */32;
            break;
        
      }
    } else {
      sign = /* "-" */45;
    }
    var str = Caml_format.caml_hexstring_of_float(x, prec, sign);
    if (fconv >= 19) {
      return Caml_bytes.bytes_to_string(Bytes.uppercase_ascii(Caml_bytes.bytes_of_string(str)));
    } else {
      return str;
    }
  } else {
    var str$1 = Caml_format.caml_format_float(format_of_fconv(fconv, prec), x);
    if (fconv !== /* Float_F */15) {
      return str$1;
    } else {
      var len = str$1.length;
      var is_valid = function (_i) {
        while(true) {
          var i = _i;
          if (i === len) {
            return false;
          } else {
            var match = Caml_string.get(str$1, i);
            var switcher = match - 46 | 0;
            if (switcher > 23 || switcher < 0) {
              if (switcher !== 55) {
                _i = i + 1 | 0;
                continue ;
              } else {
                return true;
              }
            } else if (switcher > 22 || switcher < 1) {
              return true;
            } else {
              _i = i + 1 | 0;
              continue ;
            }
          }
        };
      };
      var match = Pervasives.classify_float(x);
      if (match !== 3) {
        if (match >= 4) {
          return "nan";
        } else if (is_valid(0)) {
          return str$1;
        } else {
          return str$1 + ".";
        }
      } else if (x < 0.0) {
        return "neg_infinity";
      } else {
        return "infinity";
      }
    }
  }
}

function format_caml_char(c) {
  var str = Char.escaped(c);
  var l = str.length;
  var res = Bytes.make(l + 2 | 0, /* "'" */39);
  Caml_bytes.caml_blit_string(str, 0, res, 1, l);
  return Caml_bytes.bytes_to_string(res);
}

function string_of_fmtty(fmtty) {
  var buf = {
    ind: 0,
    bytes: Caml_bytes.caml_create_bytes(16)
  };
  bprint_fmtty(buf, fmtty);
  return buffer_contents(buf);
}

function make_printf(_k, o, _acc, _fmt) {
  while(true) {
    var fmt = _fmt;
    var acc = _acc;
    var k = _k;
    if (typeof fmt === "number") {
      return Curry._2(k, o, acc);
    } else {
      switch (fmt.tag | 0) {
        case /* Char */0 :
            var rest = fmt[0];
            return (function(k,acc,rest){
            return function (c) {
              var new_acc = /* Acc_data_char */Block.__(5, [
                  acc,
                  c
                ]);
              return make_printf(k, o, new_acc, rest);
            }
            }(k,acc,rest));
        case /* Caml_char */1 :
            var rest$1 = fmt[0];
            return (function(k,acc,rest$1){
            return function (c) {
              var new_acc_001 = format_caml_char(c);
              var new_acc = /* Acc_data_string */Block.__(4, [
                  acc,
                  new_acc_001
                ]);
              return make_printf(k, o, new_acc, rest$1);
            }
            }(k,acc,rest$1));
        case /* String */2 :
            return make_padding(k, o, acc, fmt[1], fmt[0], (function (str) {
                          return str;
                        }));
        case /* Caml_string */3 :
            return make_padding(k, o, acc, fmt[1], fmt[0], string_to_caml_string);
        case /* Int */4 :
            return make_int_padding_precision(k, o, acc, fmt[3], fmt[1], fmt[2], convert_int, fmt[0]);
        case /* Int32 */5 :
            return make_int_padding_precision(k, o, acc, fmt[3], fmt[1], fmt[2], convert_int32, fmt[0]);
        case /* Nativeint */6 :
            return make_int_padding_precision(k, o, acc, fmt[3], fmt[1], fmt[2], convert_nativeint, fmt[0]);
        case /* Int64 */7 :
            return make_int_padding_precision(k, o, acc, fmt[3], fmt[1], fmt[2], convert_int64, fmt[0]);
        case /* Float */8 :
            var k$1 = k;
            var o$1 = o;
            var acc$1 = acc;
            var fmt$1 = fmt[3];
            var pad = fmt[1];
            var prec = fmt[2];
            var fconv = fmt[0];
            if (typeof pad === "number") {
              if (typeof prec === "number") {
                if (prec !== 0) {
                  return (function(k$1,o$1,acc$1,fmt$1,fconv){
                  return function (p, x) {
                    var str = convert_float(fconv, p, x);
                    return make_printf(k$1, o$1, /* Acc_data_string */Block.__(4, [
                                  acc$1,
                                  str
                                ]), fmt$1);
                  }
                  }(k$1,o$1,acc$1,fmt$1,fconv));
                } else {
                  return (function(k$1,o$1,acc$1,fmt$1,fconv){
                  return function (x) {
                    var str = convert_float(fconv, -6, x);
                    return make_printf(k$1, o$1, /* Acc_data_string */Block.__(4, [
                                  acc$1,
                                  str
                                ]), fmt$1);
                  }
                  }(k$1,o$1,acc$1,fmt$1,fconv));
                }
              } else {
                var p = prec[0];
                return (function(k$1,o$1,acc$1,fmt$1,fconv,p){
                return function (x) {
                  var str = convert_float(fconv, p, x);
                  return make_printf(k$1, o$1, /* Acc_data_string */Block.__(4, [
                                acc$1,
                                str
                              ]), fmt$1);
                }
                }(k$1,o$1,acc$1,fmt$1,fconv,p));
              }
            } else if (pad.tag) {
              var padty = pad[0];
              if (typeof prec === "number") {
                if (prec !== 0) {
                  return (function(k$1,o$1,acc$1,fmt$1,fconv,padty){
                  return function (w, p, x) {
                    var str = fix_padding(padty, w, convert_float(fconv, p, x));
                    return make_printf(k$1, o$1, /* Acc_data_string */Block.__(4, [
                                  acc$1,
                                  str
                                ]), fmt$1);
                  }
                  }(k$1,o$1,acc$1,fmt$1,fconv,padty));
                } else {
                  return (function(k$1,o$1,acc$1,fmt$1,fconv,padty){
                  return function (w, x) {
                    var str = convert_float(fconv, -6, x);
                    var str$prime = fix_padding(padty, w, str);
                    return make_printf(k$1, o$1, /* Acc_data_string */Block.__(4, [
                                  acc$1,
                                  str$prime
                                ]), fmt$1);
                  }
                  }(k$1,o$1,acc$1,fmt$1,fconv,padty));
                }
              } else {
                var p$1 = prec[0];
                return (function(k$1,o$1,acc$1,fmt$1,fconv,padty,p$1){
                return function (w, x) {
                  var str = fix_padding(padty, w, convert_float(fconv, p$1, x));
                  return make_printf(k$1, o$1, /* Acc_data_string */Block.__(4, [
                                acc$1,
                                str
                              ]), fmt$1);
                }
                }(k$1,o$1,acc$1,fmt$1,fconv,padty,p$1));
              }
            } else {
              var w = pad[1];
              var padty$1 = pad[0];
              if (typeof prec === "number") {
                if (prec !== 0) {
                  return (function(k$1,o$1,acc$1,fmt$1,fconv,padty$1,w){
                  return function (p, x) {
                    var str = fix_padding(padty$1, w, convert_float(fconv, p, x));
                    return make_printf(k$1, o$1, /* Acc_data_string */Block.__(4, [
                                  acc$1,
                                  str
                                ]), fmt$1);
                  }
                  }(k$1,o$1,acc$1,fmt$1,fconv,padty$1,w));
                } else {
                  return (function(k$1,o$1,acc$1,fmt$1,fconv,padty$1,w){
                  return function (x) {
                    var str = convert_float(fconv, -6, x);
                    var str$prime = fix_padding(padty$1, w, str);
                    return make_printf(k$1, o$1, /* Acc_data_string */Block.__(4, [
                                  acc$1,
                                  str$prime
                                ]), fmt$1);
                  }
                  }(k$1,o$1,acc$1,fmt$1,fconv,padty$1,w));
                }
              } else {
                var p$2 = prec[0];
                return (function(k$1,o$1,acc$1,fmt$1,fconv,padty$1,w,p$2){
                return function (x) {
                  var str = fix_padding(padty$1, w, convert_float(fconv, p$2, x));
                  return make_printf(k$1, o$1, /* Acc_data_string */Block.__(4, [
                                acc$1,
                                str
                              ]), fmt$1);
                }
                }(k$1,o$1,acc$1,fmt$1,fconv,padty$1,w,p$2));
              }
            }
        case /* Bool */9 :
            return make_padding(k, o, acc, fmt[1], fmt[0], Pervasives.string_of_bool);
        case /* Flush */10 :
            _fmt = fmt[0];
            _acc = /* Acc_flush */Block.__(7, [acc]);
            continue ;
        case /* String_literal */11 :
            _fmt = fmt[1];
            _acc = /* Acc_string_literal */Block.__(2, [
                acc,
                fmt[0]
              ]);
            continue ;
        case /* Char_literal */12 :
            _fmt = fmt[1];
            _acc = /* Acc_char_literal */Block.__(3, [
                acc,
                fmt[0]
              ]);
            continue ;
        case /* Format_arg */13 :
            var rest$2 = fmt[2];
            var ty = string_of_fmtty(fmt[1]);
            return (function(k,acc,rest$2,ty){
            return function (str) {
              return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                            acc,
                            ty
                          ]), rest$2);
            }
            }(k,acc,rest$2,ty));
        case /* Format_subst */14 :
            var rest$3 = fmt[2];
            var fmtty = fmt[1];
            return (function(k,acc,fmtty,rest$3){
            return function (param) {
              return make_printf(k, o, acc, CamlinternalFormatBasics.concat_fmt(recast(param[0], fmtty), rest$3));
            }
            }(k,acc,fmtty,rest$3));
        case /* Alpha */15 :
            var rest$4 = fmt[0];
            return (function(k,acc,rest$4){
            return function (f, x) {
              return make_printf(k, o, /* Acc_delay */Block.__(6, [
                            acc,
                            (function (o) {
                                return Curry._2(f, o, x);
                              })
                          ]), rest$4);
            }
            }(k,acc,rest$4));
        case /* Theta */16 :
            var rest$5 = fmt[0];
            return (function(k,acc,rest$5){
            return function (f) {
              return make_printf(k, o, /* Acc_delay */Block.__(6, [
                            acc,
                            f
                          ]), rest$5);
            }
            }(k,acc,rest$5));
        case /* Formatting_lit */17 :
            _fmt = fmt[1];
            _acc = /* Acc_formatting_lit */Block.__(0, [
                acc,
                fmt[0]
              ]);
            continue ;
        case /* Formatting_gen */18 :
            var match = fmt[0];
            if (match.tag) {
              var rest$6 = fmt[1];
              var k$prime = (function(k,acc,rest$6){
              return function k$prime(koc, kacc) {
                return make_printf(k, koc, /* Acc_formatting_gen */Block.__(1, [
                              acc,
                              /* Acc_open_box */Block.__(1, [kacc])
                            ]), rest$6);
              }
              }(k,acc,rest$6));
              _fmt = match[0][0];
              _acc = /* End_of_acc */0;
              _k = k$prime;
              continue ;
            } else {
              var rest$7 = fmt[1];
              var k$prime$1 = (function(k,acc,rest$7){
              return function k$prime$1(koc, kacc) {
                return make_printf(k, koc, /* Acc_formatting_gen */Block.__(1, [
                              acc,
                              /* Acc_open_tag */Block.__(0, [kacc])
                            ]), rest$7);
              }
              }(k,acc,rest$7));
              _fmt = match[0][0];
              _acc = /* End_of_acc */0;
              _k = k$prime$1;
              continue ;
            }
        case /* Reader */19 :
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    1525,
                    4
                  ]
                ];
        case /* Scan_char_set */20 :
            var rest$8 = fmt[2];
            var new_acc = /* Acc_invalid_arg */Block.__(8, [
                acc,
                "Printf: bad conversion %["
              ]);
            return (function(k,rest$8,new_acc){
            return function (param) {
              return make_printf(k, o, new_acc, rest$8);
            }
            }(k,rest$8,new_acc));
        case /* Scan_get_counter */21 :
            var rest$9 = fmt[1];
            return (function(k,acc,rest$9){
            return function (n) {
              var new_acc_001 = Caml_format.caml_format_int("%u", n);
              var new_acc = /* Acc_data_string */Block.__(4, [
                  acc,
                  new_acc_001
                ]);
              return make_printf(k, o, new_acc, rest$9);
            }
            }(k,acc,rest$9));
        case /* Scan_next_char */22 :
            var rest$10 = fmt[0];
            return (function(k,acc,rest$10){
            return function (c) {
              var new_acc = /* Acc_data_char */Block.__(5, [
                  acc,
                  c
                ]);
              return make_printf(k, o, new_acc, rest$10);
            }
            }(k,acc,rest$10));
        case /* Ignored_param */23 :
            return make_ignored_param(k, o, acc, fmt[0], fmt[1]);
        case /* Custom */24 :
            return make_custom(k, o, acc, fmt[2], fmt[0], Curry._1(fmt[1], /* () */0));
        
      }
    }
  };
}

function make_ignored_param(k, o, acc, ign, fmt) {
  if (typeof ign === "number") {
    if (ign === /* Ignored_reader */2) {
      throw [
            Caml_builtin_exceptions.assert_failure,
            /* tuple */[
              "camlinternalFormat.ml",
              1593,
              39
            ]
          ];
    } else {
      return make_invalid_arg(k, o, acc, fmt);
    }
  } else if (ign.tag === /* Ignored_format_subst */9) {
    return make_from_fmtty(k, o, acc, ign[1], fmt);
  } else {
    return make_invalid_arg(k, o, acc, fmt);
  }
}

function make_from_fmtty(k, o, acc, fmtty, fmt) {
  if (typeof fmtty === "number") {
    return make_invalid_arg(k, o, acc, fmt);
  } else {
    switch (fmtty.tag | 0) {
      case /* Char_ty */0 :
          var rest = fmtty[0];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest, fmt);
            });
      case /* String_ty */1 :
          var rest$1 = fmtty[0];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest$1, fmt);
            });
      case /* Int_ty */2 :
          var rest$2 = fmtty[0];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest$2, fmt);
            });
      case /* Int32_ty */3 :
          var rest$3 = fmtty[0];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest$3, fmt);
            });
      case /* Nativeint_ty */4 :
          var rest$4 = fmtty[0];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest$4, fmt);
            });
      case /* Int64_ty */5 :
          var rest$5 = fmtty[0];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest$5, fmt);
            });
      case /* Float_ty */6 :
          var rest$6 = fmtty[0];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest$6, fmt);
            });
      case /* Bool_ty */7 :
          var rest$7 = fmtty[0];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest$7, fmt);
            });
      case /* Format_arg_ty */8 :
          var rest$8 = fmtty[1];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest$8, fmt);
            });
      case /* Format_subst_ty */9 :
          var rest$9 = fmtty[2];
          var ty = trans(symm(fmtty[0]), fmtty[1]);
          return (function (param) {
              return make_from_fmtty(k, o, acc, CamlinternalFormatBasics.concat_fmtty(ty, rest$9), fmt);
            });
      case /* Alpha_ty */10 :
          var rest$10 = fmtty[0];
          return (function (param, param$1) {
              return make_from_fmtty(k, o, acc, rest$10, fmt);
            });
      case /* Theta_ty */11 :
          var rest$11 = fmtty[0];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest$11, fmt);
            });
      case /* Any_ty */12 :
          var rest$12 = fmtty[0];
          return (function (param) {
              return make_from_fmtty(k, o, acc, rest$12, fmt);
            });
      case /* Reader_ty */13 :
          throw [
                Caml_builtin_exceptions.assert_failure,
                /* tuple */[
                  "camlinternalFormat.ml",
                  1616,
                  31
                ]
              ];
      case /* Ignored_reader_ty */14 :
          throw [
                Caml_builtin_exceptions.assert_failure,
                /* tuple */[
                  "camlinternalFormat.ml",
                  1617,
                  31
                ]
              ];
      
    }
  }
}

function make_invalid_arg(k, o, acc, fmt) {
  return make_printf(k, o, /* Acc_invalid_arg */Block.__(8, [
                acc,
                "Printf: bad conversion %_"
              ]), fmt);
}

function make_padding(k, o, acc, fmt, pad, trans) {
  if (typeof pad === "number") {
    return (function (x) {
        var new_acc_001 = Curry._1(trans, x);
        var new_acc = /* Acc_data_string */Block.__(4, [
            acc,
            new_acc_001
          ]);
        return make_printf(k, o, new_acc, fmt);
      });
  } else if (pad.tag) {
    var padty = pad[0];
    return (function (w, x) {
        var new_acc_001 = fix_padding(padty, w, Curry._1(trans, x));
        var new_acc = /* Acc_data_string */Block.__(4, [
            acc,
            new_acc_001
          ]);
        return make_printf(k, o, new_acc, fmt);
      });
  } else {
    var width = pad[1];
    var padty$1 = pad[0];
    return (function (x) {
        var new_acc_001 = fix_padding(padty$1, width, Curry._1(trans, x));
        var new_acc = /* Acc_data_string */Block.__(4, [
            acc,
            new_acc_001
          ]);
        return make_printf(k, o, new_acc, fmt);
      });
  }
}

function make_int_padding_precision(k, o, acc, fmt, pad, prec, trans, iconv) {
  if (typeof pad === "number") {
    if (typeof prec === "number") {
      if (prec !== 0) {
        return (function (p, x) {
            var str = fix_int_precision(p, Curry._2(trans, iconv, x));
            return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                          acc,
                          str
                        ]), fmt);
          });
      } else {
        return (function (x) {
            var str = Curry._2(trans, iconv, x);
            return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                          acc,
                          str
                        ]), fmt);
          });
      }
    } else {
      var p = prec[0];
      return (function (x) {
          var str = fix_int_precision(p, Curry._2(trans, iconv, x));
          return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                        acc,
                        str
                      ]), fmt);
        });
    }
  } else if (pad.tag) {
    var padty = pad[0];
    if (typeof prec === "number") {
      if (prec !== 0) {
        return (function (w, p, x) {
            var str = fix_padding(padty, w, fix_int_precision(p, Curry._2(trans, iconv, x)));
            return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                          acc,
                          str
                        ]), fmt);
          });
      } else {
        return (function (w, x) {
            var str = fix_padding(padty, w, Curry._2(trans, iconv, x));
            return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                          acc,
                          str
                        ]), fmt);
          });
      }
    } else {
      var p$1 = prec[0];
      return (function (w, x) {
          var str = fix_padding(padty, w, fix_int_precision(p$1, Curry._2(trans, iconv, x)));
          return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                        acc,
                        str
                      ]), fmt);
        });
    }
  } else {
    var w = pad[1];
    var padty$1 = pad[0];
    if (typeof prec === "number") {
      if (prec !== 0) {
        return (function (p, x) {
            var str = fix_padding(padty$1, w, fix_int_precision(p, Curry._2(trans, iconv, x)));
            return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                          acc,
                          str
                        ]), fmt);
          });
      } else {
        return (function (x) {
            var str = fix_padding(padty$1, w, Curry._2(trans, iconv, x));
            return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                          acc,
                          str
                        ]), fmt);
          });
      }
    } else {
      var p$2 = prec[0];
      return (function (x) {
          var str = fix_padding(padty$1, w, fix_int_precision(p$2, Curry._2(trans, iconv, x)));
          return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                        acc,
                        str
                      ]), fmt);
        });
    }
  }
}

function make_custom(k, o, acc, rest, arity, f) {
  if (arity) {
    var arity$1 = arity[0];
    return (function (x) {
        return make_custom(k, o, acc, rest, arity$1, Curry._1(f, x));
      });
  } else {
    return make_printf(k, o, /* Acc_data_string */Block.__(4, [
                  acc,
                  f
                ]), rest);
  }
}

function make_iprintf(_k, o, _fmt) {
  while(true) {
    var fmt = _fmt;
    var k = _k;
    var exit = 0;
    if (typeof fmt === "number") {
      return Curry._1(k, o);
    } else {
      switch (fmt.tag | 0) {
        case /* String */2 :
            var tmp = fmt[0];
            if (typeof tmp !== "number" && tmp.tag) {
              var partial_arg = make_iprintf(k, o, fmt[1]);
              var partial_arg$1 = (function(partial_arg){
              return function partial_arg$1(param) {
                return partial_arg;
              }
              }(partial_arg));
              return (function (param) {
                  return partial_arg$1;
                });
            }
            var partial_arg$2 = make_iprintf(k, o, fmt[1]);
            return (function(partial_arg$2){
            return function (param) {
              return partial_arg$2;
            }
            }(partial_arg$2));
        case /* Caml_string */3 :
            var tmp$1 = fmt[0];
            if (typeof tmp$1 !== "number" && tmp$1.tag) {
              var partial_arg$3 = make_iprintf(k, o, fmt[1]);
              var partial_arg$4 = (function(partial_arg$3){
              return function partial_arg$4(param) {
                return partial_arg$3;
              }
              }(partial_arg$3));
              return (function (param) {
                  return partial_arg$4;
                });
            }
            var partial_arg$5 = make_iprintf(k, o, fmt[1]);
            return (function(partial_arg$5){
            return function (param) {
              return partial_arg$5;
            }
            }(partial_arg$5));
        case /* Bool */9 :
            var tmp$2 = fmt[0];
            if (typeof tmp$2 !== "number" && tmp$2.tag) {
              var partial_arg$6 = make_iprintf(k, o, fmt[1]);
              var partial_arg$7 = (function(partial_arg$6){
              return function partial_arg$7(param) {
                return partial_arg$6;
              }
              }(partial_arg$6));
              return (function (param) {
                  return partial_arg$7;
                });
            }
            var partial_arg$8 = make_iprintf(k, o, fmt[1]);
            return (function(partial_arg$8){
            return function (param) {
              return partial_arg$8;
            }
            }(partial_arg$8));
        case /* Flush */10 :
            _fmt = fmt[0];
            continue ;
        case /* Format_subst */14 :
            var rest = fmt[2];
            var fmtty = fmt[1];
            return (function(k,fmtty,rest){
            return function (param) {
              return make_iprintf(k, o, CamlinternalFormatBasics.concat_fmt(recast(param[0], fmtty), rest));
            }
            }(k,fmtty,rest));
        case /* Alpha */15 :
            var partial_arg$9 = make_iprintf(k, o, fmt[0]);
            var partial_arg$10 = (function(partial_arg$9){
            return function partial_arg$10(param) {
              return partial_arg$9;
            }
            }(partial_arg$9));
            return (function (param) {
                return partial_arg$10;
              });
        case /* String_literal */11 :
        case /* Char_literal */12 :
        case /* Formatting_lit */17 :
            exit = 2;
            break;
        case /* Formatting_gen */18 :
            var match = fmt[0];
            if (match.tag) {
              var rest$1 = fmt[1];
              _fmt = match[0][0];
              _k = (function(k,rest$1){
              return function (koc) {
                return make_iprintf(k, koc, rest$1);
              }
              }(k,rest$1));
              continue ;
            } else {
              var rest$2 = fmt[1];
              _fmt = match[0][0];
              _k = (function(k,rest$2){
              return function (koc) {
                return make_iprintf(k, koc, rest$2);
              }
              }(k,rest$2));
              continue ;
            }
        case /* Reader */19 :
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    1797,
                    8
                  ]
                ];
        case /* Format_arg */13 :
        case /* Scan_char_set */20 :
            exit = 3;
            break;
        case /* Scan_get_counter */21 :
            var partial_arg$11 = make_iprintf(k, o, fmt[1]);
            return (function(partial_arg$11){
            return function (param) {
              return partial_arg$11;
            }
            }(partial_arg$11));
        case /* Char */0 :
        case /* Caml_char */1 :
        case /* Theta */16 :
        case /* Scan_next_char */22 :
            exit = 1;
            break;
        case /* Ignored_param */23 :
            return make_ignored_param((function(k){
                      return function (x, param) {
                        return Curry._1(k, x);
                      }
                      }(k)), o, /* End_of_acc */0, fmt[0], fmt[1]);
        case /* Custom */24 :
            return fn_of_custom_arity(k, o, fmt[2], fmt[0]);
        default:
          var k$1 = k;
          var o$1 = o;
          var fmt$1 = fmt[3];
          var pad = fmt[1];
          var prec = fmt[2];
          if (typeof pad === "number") {
            if (typeof prec === "number") {
              if (prec !== 0) {
                var partial_arg$12 = make_iprintf(k$1, o$1, fmt$1);
                var partial_arg$13 = (function(partial_arg$12){
                return function partial_arg$13(param) {
                  return partial_arg$12;
                }
                }(partial_arg$12));
                return (function (param) {
                    return partial_arg$13;
                  });
              } else {
                var partial_arg$14 = make_iprintf(k$1, o$1, fmt$1);
                return (function(partial_arg$14){
                return function (param) {
                  return partial_arg$14;
                }
                }(partial_arg$14));
              }
            } else {
              var partial_arg$15 = make_iprintf(k$1, o$1, fmt$1);
              return (function(partial_arg$15){
              return function (param) {
                return partial_arg$15;
              }
              }(partial_arg$15));
            }
          } else if (pad.tag) {
            if (typeof prec === "number") {
              if (prec !== 0) {
                var partial_arg$16 = make_iprintf(k$1, o$1, fmt$1);
                var partial_arg$17 = (function(partial_arg$16){
                return function partial_arg$17(param) {
                  return partial_arg$16;
                }
                }(partial_arg$16));
                var partial_arg$18 = function (param) {
                  return partial_arg$17;
                };
                return (function (param) {
                    return partial_arg$18;
                  });
              } else {
                var partial_arg$19 = make_iprintf(k$1, o$1, fmt$1);
                var partial_arg$20 = (function(partial_arg$19){
                return function partial_arg$20(param) {
                  return partial_arg$19;
                }
                }(partial_arg$19));
                return (function (param) {
                    return partial_arg$20;
                  });
              }
            } else {
              var partial_arg$21 = make_iprintf(k$1, o$1, fmt$1);
              var partial_arg$22 = (function(partial_arg$21){
              return function partial_arg$22(param) {
                return partial_arg$21;
              }
              }(partial_arg$21));
              return (function (param) {
                  return partial_arg$22;
                });
            }
          } else if (typeof prec === "number") {
            if (prec !== 0) {
              var partial_arg$23 = make_iprintf(k$1, o$1, fmt$1);
              var partial_arg$24 = (function(partial_arg$23){
              return function partial_arg$24(param) {
                return partial_arg$23;
              }
              }(partial_arg$23));
              return (function (param) {
                  return partial_arg$24;
                });
            } else {
              var partial_arg$25 = make_iprintf(k$1, o$1, fmt$1);
              return (function(partial_arg$25){
              return function (param) {
                return partial_arg$25;
              }
              }(partial_arg$25));
            }
          } else {
            var partial_arg$26 = make_iprintf(k$1, o$1, fmt$1);
            return (function(partial_arg$26){
            return function (param) {
              return partial_arg$26;
            }
            }(partial_arg$26));
          }
      }
    }
    switch (exit) {
      case 1 :
          var partial_arg$27 = make_iprintf(k, o, fmt[0]);
          return (function(partial_arg$27){
          return function (param) {
            return partial_arg$27;
          }
          }(partial_arg$27));
      case 2 :
          _fmt = fmt[1];
          continue ;
      case 3 :
          var partial_arg$28 = make_iprintf(k, o, fmt[2]);
          return (function(partial_arg$28){
          return function (param) {
            return partial_arg$28;
          }
          }(partial_arg$28));
      
    }
  };
}

function fn_of_custom_arity(k, o, fmt, param) {
  if (param) {
    var partial_arg = fn_of_custom_arity(k, o, fmt, param[0]);
    return (function (param) {
        return partial_arg;
      });
  } else {
    return make_iprintf(k, o, fmt);
  }
}

function output_acc(o, _acc) {
  while(true) {
    var acc = _acc;
    var exit = 0;
    if (typeof acc === "number") {
      return /* () */0;
    } else {
      switch (acc.tag | 0) {
        case /* Acc_formatting_lit */0 :
            var s = string_of_formatting_lit(acc[1]);
            output_acc(o, acc[0]);
            return Pervasives.output_string(o, s);
        case /* Acc_formatting_gen */1 :
            var match = acc[1];
            var p = acc[0];
            output_acc(o, p);
            if (match.tag) {
              Pervasives.output_string(o, "@[");
              _acc = match[0];
              continue ;
            } else {
              Pervasives.output_string(o, "@{");
              _acc = match[0];
              continue ;
            }
        case /* Acc_string_literal */2 :
        case /* Acc_data_string */4 :
            exit = 1;
            break;
        case /* Acc_char_literal */3 :
        case /* Acc_data_char */5 :
            exit = 2;
            break;
        case /* Acc_delay */6 :
            output_acc(o, acc[0]);
            return Curry._1(acc[1], o);
        case /* Acc_flush */7 :
            output_acc(o, acc[0]);
            return Caml_io.caml_ml_flush(o);
        case /* Acc_invalid_arg */8 :
            output_acc(o, acc[0]);
            throw [
                  Caml_builtin_exceptions.invalid_argument,
                  acc[1]
                ];
        
      }
    }
    switch (exit) {
      case 1 :
          output_acc(o, acc[0]);
          return Pervasives.output_string(o, acc[1]);
      case 2 :
          output_acc(o, acc[0]);
          return Caml_io.caml_ml_output_char(o, acc[1]);
      
    }
  };
}

function bufput_acc(b, _acc) {
  while(true) {
    var acc = _acc;
    var exit = 0;
    if (typeof acc === "number") {
      return /* () */0;
    } else {
      switch (acc.tag | 0) {
        case /* Acc_formatting_lit */0 :
            var s = string_of_formatting_lit(acc[1]);
            bufput_acc(b, acc[0]);
            return $$Buffer.add_string(b, s);
        case /* Acc_formatting_gen */1 :
            var match = acc[1];
            var p = acc[0];
            bufput_acc(b, p);
            if (match.tag) {
              $$Buffer.add_string(b, "@[");
              _acc = match[0];
              continue ;
            } else {
              $$Buffer.add_string(b, "@{");
              _acc = match[0];
              continue ;
            }
        case /* Acc_string_literal */2 :
        case /* Acc_data_string */4 :
            exit = 1;
            break;
        case /* Acc_char_literal */3 :
        case /* Acc_data_char */5 :
            exit = 2;
            break;
        case /* Acc_delay */6 :
            bufput_acc(b, acc[0]);
            return Curry._1(acc[1], b);
        case /* Acc_flush */7 :
            _acc = acc[0];
            continue ;
        case /* Acc_invalid_arg */8 :
            bufput_acc(b, acc[0]);
            throw [
                  Caml_builtin_exceptions.invalid_argument,
                  acc[1]
                ];
        
      }
    }
    switch (exit) {
      case 1 :
          bufput_acc(b, acc[0]);
          return $$Buffer.add_string(b, acc[1]);
      case 2 :
          bufput_acc(b, acc[0]);
          return $$Buffer.add_char(b, acc[1]);
      
    }
  };
}

function strput_acc(b, _acc) {
  while(true) {
    var acc = _acc;
    var exit = 0;
    if (typeof acc === "number") {
      return /* () */0;
    } else {
      switch (acc.tag | 0) {
        case /* Acc_formatting_lit */0 :
            var s = string_of_formatting_lit(acc[1]);
            strput_acc(b, acc[0]);
            return $$Buffer.add_string(b, s);
        case /* Acc_formatting_gen */1 :
            var match = acc[1];
            var p = acc[0];
            strput_acc(b, p);
            if (match.tag) {
              $$Buffer.add_string(b, "@[");
              _acc = match[0];
              continue ;
            } else {
              $$Buffer.add_string(b, "@{");
              _acc = match[0];
              continue ;
            }
        case /* Acc_string_literal */2 :
        case /* Acc_data_string */4 :
            exit = 1;
            break;
        case /* Acc_char_literal */3 :
        case /* Acc_data_char */5 :
            exit = 2;
            break;
        case /* Acc_delay */6 :
            strput_acc(b, acc[0]);
            return $$Buffer.add_string(b, Curry._1(acc[1], /* () */0));
        case /* Acc_flush */7 :
            _acc = acc[0];
            continue ;
        case /* Acc_invalid_arg */8 :
            strput_acc(b, acc[0]);
            throw [
                  Caml_builtin_exceptions.invalid_argument,
                  acc[1]
                ];
        
      }
    }
    switch (exit) {
      case 1 :
          strput_acc(b, acc[0]);
          return $$Buffer.add_string(b, acc[1]);
      case 2 :
          strput_acc(b, acc[0]);
          return $$Buffer.add_char(b, acc[1]);
      
    }
  };
}

function failwith_message(param) {
  var buf = $$Buffer.create(256);
  var k = function (param, acc) {
    strput_acc(buf, acc);
    var s = $$Buffer.contents(buf);
    throw [
          Caml_builtin_exceptions.failure,
          s
        ];
  };
  return make_printf(k, /* () */0, /* End_of_acc */0, param[0]);
}

function open_box_of_string(str) {
  if (str === "") {
    return /* tuple */[
            0,
            /* Pp_box */4
          ];
  } else {
    var len = str.length;
    var invalid_box = function (param) {
      return Curry._1(failwith_message(/* Format */[
                      /* String_literal */Block.__(11, [
                          "invalid box description ",
                          /* Caml_string */Block.__(3, [
                              /* No_padding */0,
                              /* End_of_format */0
                            ])
                        ]),
                      "invalid box description %S"
                    ]), str);
    };
    var parse_spaces = function (_i) {
      while(true) {
        var i = _i;
        if (i === len) {
          return i;
        } else {
          var match = Caml_string.get(str, i);
          if (match !== 9) {
            if (match !== 32) {
              return i;
            } else {
              _i = i + 1 | 0;
              continue ;
            }
          } else {
            _i = i + 1 | 0;
            continue ;
          }
        }
      };
    };
    var parse_lword = function (i, _j) {
      while(true) {
        var j = _j;
        if (j === len) {
          return j;
        } else {
          var match = Caml_string.get(str, j);
          if (match > 122 || match < 97) {
            return j;
          } else {
            _j = j + 1 | 0;
            continue ;
          }
        }
      };
    };
    var parse_int = function (i, _j) {
      while(true) {
        var j = _j;
        if (j === len) {
          return j;
        } else {
          var match = Caml_string.get(str, j);
          if (match >= 48) {
            if (match >= 58) {
              return j;
            } else {
              _j = j + 1 | 0;
              continue ;
            }
          } else if (match !== 45) {
            return j;
          } else {
            _j = j + 1 | 0;
            continue ;
          }
        }
      };
    };
    var wstart = parse_spaces(0);
    var wend = parse_lword(wstart, wstart);
    var box_name = $$String.sub(str, wstart, wend - wstart | 0);
    var nstart = parse_spaces(wend);
    var nend = parse_int(nstart, nstart);
    var indent;
    if (nstart === nend) {
      indent = 0;
    } else {
      try {
        indent = Caml_format.caml_int_of_string($$String.sub(str, nstart, nend - nstart | 0));
      }
      catch (raw_exn){
        var exn = Caml_js_exceptions.internalToOCamlException(raw_exn);
        if (exn[0] === Caml_builtin_exceptions.failure) {
          indent = invalid_box(/* () */0);
        } else {
          throw exn;
        }
      }
    }
    var exp_end = parse_spaces(nend);
    if (exp_end !== len) {
      invalid_box(/* () */0);
    }
    var box_type;
    switch (box_name) {
      case "" :
      case "b" :
          box_type = /* Pp_box */4;
          break;
      case "h" :
          box_type = /* Pp_hbox */0;
          break;
      case "hov" :
          box_type = /* Pp_hovbox */3;
          break;
      case "hv" :
          box_type = /* Pp_hvbox */2;
          break;
      case "v" :
          box_type = /* Pp_vbox */1;
          break;
      default:
        box_type = invalid_box(/* () */0);
    }
    return /* tuple */[
            indent,
            box_type
          ];
  }
}

function make_padding_fmt_ebb(pad, fmt) {
  if (typeof pad === "number") {
    return /* Padding_fmt_EBB */[
            /* No_padding */0,
            fmt
          ];
  } else if (pad.tag) {
    return /* Padding_fmt_EBB */[
            /* Arg_padding */Block.__(1, [pad[0]]),
            fmt
          ];
  } else {
    return /* Padding_fmt_EBB */[
            /* Lit_padding */Block.__(0, [
                pad[0],
                pad[1]
              ]),
            fmt
          ];
  }
}

function make_precision_fmt_ebb(prec, fmt) {
  if (typeof prec === "number") {
    if (prec !== 0) {
      return /* Precision_fmt_EBB */[
              /* Arg_precision */1,
              fmt
            ];
    } else {
      return /* Precision_fmt_EBB */[
              /* No_precision */0,
              fmt
            ];
    }
  } else {
    return /* Precision_fmt_EBB */[
            /* Lit_precision */[prec[0]],
            fmt
          ];
  }
}

function make_padprec_fmt_ebb(pad, prec, fmt) {
  var match = make_precision_fmt_ebb(prec, fmt);
  var fmt$prime = match[1];
  var prec$1 = match[0];
  if (typeof pad === "number") {
    return /* Padprec_fmt_EBB */[
            /* No_padding */0,
            prec$1,
            fmt$prime
          ];
  } else if (pad.tag) {
    return /* Padprec_fmt_EBB */[
            /* Arg_padding */Block.__(1, [pad[0]]),
            prec$1,
            fmt$prime
          ];
  } else {
    return /* Padprec_fmt_EBB */[
            /* Lit_padding */Block.__(0, [
                pad[0],
                pad[1]
              ]),
            prec$1,
            fmt$prime
          ];
  }
}

function fmt_ebb_of_string(legacy_behavior, str) {
  var legacy_behavior$1 = legacy_behavior !== undefined ? legacy_behavior : true;
  var invalid_format_message = function (str_ind, msg) {
    return Curry._3(failwith_message(/* Format */[
                    /* String_literal */Block.__(11, [
                        "invalid format ",
                        /* Caml_string */Block.__(3, [
                            /* No_padding */0,
                            /* String_literal */Block.__(11, [
                                ": at character number ",
                                /* Int */Block.__(4, [
                                    /* Int_d */0,
                                    /* No_padding */0,
                                    /* No_precision */0,
                                    /* String_literal */Block.__(11, [
                                        ", ",
                                        /* String */Block.__(2, [
                                            /* No_padding */0,
                                            /* End_of_format */0
                                          ])
                                      ])
                                  ])
                              ])
                          ])
                      ]),
                    "invalid format %S: at character number %d, %s"
                  ]), str, str_ind, msg);
  };
  var invalid_format_without = function (str_ind, c, s) {
    return Curry._4(failwith_message(/* Format */[
                    /* String_literal */Block.__(11, [
                        "invalid format ",
                        /* Caml_string */Block.__(3, [
                            /* No_padding */0,
                            /* String_literal */Block.__(11, [
                                ": at character number ",
                                /* Int */Block.__(4, [
                                    /* Int_d */0,
                                    /* No_padding */0,
                                    /* No_precision */0,
                                    /* String_literal */Block.__(11, [
                                        ", '",
                                        /* Char */Block.__(0, [/* String_literal */Block.__(11, [
                                                "' without ",
                                                /* String */Block.__(2, [
                                                    /* No_padding */0,
                                                    /* End_of_format */0
                                                  ])
                                              ])])
                                      ])
                                  ])
                              ])
                          ])
                      ]),
                    "invalid format %S: at character number %d, '%c' without %s"
                  ]), str, str_ind, c, s);
  };
  var expected_character = function (str_ind, expected, read) {
    return Curry._4(failwith_message(/* Format */[
                    /* String_literal */Block.__(11, [
                        "invalid format ",
                        /* Caml_string */Block.__(3, [
                            /* No_padding */0,
                            /* String_literal */Block.__(11, [
                                ": at character number ",
                                /* Int */Block.__(4, [
                                    /* Int_d */0,
                                    /* No_padding */0,
                                    /* No_precision */0,
                                    /* String_literal */Block.__(11, [
                                        ", ",
                                        /* String */Block.__(2, [
                                            /* No_padding */0,
                                            /* String_literal */Block.__(11, [
                                                " expected, read ",
                                                /* Caml_char */Block.__(1, [/* End_of_format */0])
                                              ])
                                          ])
                                      ])
                                  ])
                              ])
                          ])
                      ]),
                    "invalid format %S: at character number %d, %s expected, read %C"
                  ]), str, str_ind, expected, read);
  };
  var parse_after_at = function (str_ind, end_ind) {
    if (str_ind === end_ind) {
      return /* Fmt_EBB */[/* Char_literal */Block.__(12, [
                  /* "@" */64,
                  /* End_of_format */0
                ])];
    } else {
      var c = Caml_string.get(str, str_ind);
      if (c >= 65) {
        if (c >= 94) {
          switch (c) {
            case 123 :
                return parse_tag(true, str_ind + 1 | 0, end_ind);
            case 124 :
                break;
            case 125 :
                var beg_ind = str_ind + 1 | 0;
                var match = parse_literal(beg_ind, beg_ind, end_ind);
                return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                            /* Close_tag */1,
                            match[0]
                          ])];
            default:
              
          }
        } else if (c >= 91) {
          switch (c - 91 | 0) {
            case 0 :
                return parse_tag(false, str_ind + 1 | 0, end_ind);
            case 1 :
                break;
            case 2 :
                var beg_ind$1 = str_ind + 1 | 0;
                var match$1 = parse_literal(beg_ind$1, beg_ind$1, end_ind);
                return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                            /* Close_box */0,
                            match$1[0]
                          ])];
            
          }
        }
        
      } else if (c !== 10) {
        if (c >= 32) {
          switch (c - 32 | 0) {
            case 0 :
                var beg_ind$2 = str_ind + 1 | 0;
                var match$2 = parse_literal(beg_ind$2, beg_ind$2, end_ind);
                return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                            /* Break */Block.__(0, [
                                "@ ",
                                1,
                                0
                              ]),
                            match$2[0]
                          ])];
            case 5 :
                if ((str_ind + 1 | 0) < end_ind && Caml_string.get(str, str_ind + 1 | 0) === /* "%" */37) {
                  var beg_ind$3 = str_ind + 2 | 0;
                  var match$3 = parse_literal(beg_ind$3, beg_ind$3, end_ind);
                  return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                              /* Escaped_percent */6,
                              match$3[0]
                            ])];
                } else {
                  var match$4 = parse_literal(str_ind, str_ind, end_ind);
                  return /* Fmt_EBB */[/* Char_literal */Block.__(12, [
                              /* "@" */64,
                              match$4[0]
                            ])];
                }
            case 12 :
                var beg_ind$4 = str_ind + 1 | 0;
                var match$5 = parse_literal(beg_ind$4, beg_ind$4, end_ind);
                return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                            /* Break */Block.__(0, [
                                "@,",
                                0,
                                0
                              ]),
                            match$5[0]
                          ])];
            case 14 :
                var beg_ind$5 = str_ind + 1 | 0;
                var match$6 = parse_literal(beg_ind$5, beg_ind$5, end_ind);
                return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                            /* Flush_newline */4,
                            match$6[0]
                          ])];
            case 27 :
                var str_ind$1 = str_ind + 1 | 0;
                var end_ind$1 = end_ind;
                var match$7;
                try {
                  if (str_ind$1 === end_ind$1 || Caml_string.get(str, str_ind$1) !== /* "<" */60) {
                    throw Caml_builtin_exceptions.not_found;
                  }
                  var str_ind_1 = parse_spaces(str_ind$1 + 1 | 0, end_ind$1);
                  var match$8 = Caml_string.get(str, str_ind_1);
                  var exit = 0;
                  if (match$8 >= 48) {
                    if (match$8 >= 58) {
                      throw Caml_builtin_exceptions.not_found;
                    }
                    exit = 1;
                  } else {
                    if (match$8 !== 45) {
                      throw Caml_builtin_exceptions.not_found;
                    }
                    exit = 1;
                  }
                  if (exit === 1) {
                    var match$9 = parse_integer(str_ind_1, end_ind$1);
                    var width = match$9[1];
                    var str_ind_3 = parse_spaces(match$9[0], end_ind$1);
                    var match$10 = Caml_string.get(str, str_ind_3);
                    var switcher = match$10 - 45 | 0;
                    if (switcher > 12 || switcher < 0) {
                      if (switcher !== 17) {
                        throw Caml_builtin_exceptions.not_found;
                      }
                      var s = $$String.sub(str, str_ind$1 - 2 | 0, (str_ind_3 - str_ind$1 | 0) + 3 | 0);
                      match$7 = /* tuple */[
                        str_ind_3 + 1 | 0,
                        /* Break */Block.__(0, [
                            s,
                            width,
                            0
                          ])
                      ];
                    } else if (switcher === 2 || switcher === 1) {
                      throw Caml_builtin_exceptions.not_found;
                    } else {
                      var match$11 = parse_integer(str_ind_3, end_ind$1);
                      var str_ind_5 = parse_spaces(match$11[0], end_ind$1);
                      if (Caml_string.get(str, str_ind_5) !== /* ">" */62) {
                        throw Caml_builtin_exceptions.not_found;
                      }
                      var s$1 = $$String.sub(str, str_ind$1 - 2 | 0, (str_ind_5 - str_ind$1 | 0) + 3 | 0);
                      match$7 = /* tuple */[
                        str_ind_5 + 1 | 0,
                        /* Break */Block.__(0, [
                            s$1,
                            width,
                            match$11[1]
                          ])
                      ];
                    }
                  }
                  
                }
                catch (raw_exn){
                  var exn = Caml_js_exceptions.internalToOCamlException(raw_exn);
                  if (exn === Caml_builtin_exceptions.not_found || exn[0] === Caml_builtin_exceptions.failure) {
                    match$7 = /* tuple */[
                      str_ind$1,
                      /* Break */Block.__(0, [
                          "@;",
                          1,
                          0
                        ])
                    ];
                  } else {
                    throw exn;
                  }
                }
                var next_ind = match$7[0];
                var match$12 = parse_literal(next_ind, next_ind, end_ind$1);
                return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                            match$7[1],
                            match$12[0]
                          ])];
            case 28 :
                var str_ind$2 = str_ind + 1 | 0;
                var end_ind$2 = end_ind;
                var match$13;
                try {
                  var str_ind_1$1 = parse_spaces(str_ind$2, end_ind$2);
                  var match$14 = Caml_string.get(str, str_ind_1$1);
                  var exit$1 = 0;
                  if (match$14 >= 48) {
                    if (match$14 >= 58) {
                      match$13 = undefined;
                    } else {
                      exit$1 = 1;
                    }
                  } else if (match$14 !== 45) {
                    match$13 = undefined;
                  } else {
                    exit$1 = 1;
                  }
                  if (exit$1 === 1) {
                    var match$15 = parse_integer(str_ind_1$1, end_ind$2);
                    var str_ind_3$1 = parse_spaces(match$15[0], end_ind$2);
                    if (Caml_string.get(str, str_ind_3$1) !== /* ">" */62) {
                      throw Caml_builtin_exceptions.not_found;
                    }
                    var s$2 = $$String.sub(str, str_ind$2 - 2 | 0, (str_ind_3$1 - str_ind$2 | 0) + 3 | 0);
                    match$13 = /* tuple */[
                      str_ind_3$1 + 1 | 0,
                      /* Magic_size */Block.__(1, [
                          s$2,
                          match$15[1]
                        ])
                    ];
                  }
                  
                }
                catch (raw_exn$1){
                  var exn$1 = Caml_js_exceptions.internalToOCamlException(raw_exn$1);
                  if (exn$1 === Caml_builtin_exceptions.not_found || exn$1[0] === Caml_builtin_exceptions.failure) {
                    match$13 = undefined;
                  } else {
                    throw exn$1;
                  }
                }
                if (match$13 !== undefined) {
                  var match$16 = match$13;
                  var next_ind$1 = match$16[0];
                  var match$17 = parse_literal(next_ind$1, next_ind$1, end_ind$2);
                  return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                              match$16[1],
                              match$17[0]
                            ])];
                } else {
                  var match$18 = parse_literal(str_ind$2, str_ind$2, end_ind$2);
                  return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                              /* Scan_indic */Block.__(2, [/* "<" */60]),
                              match$18[0]
                            ])];
                }
            case 1 :
            case 2 :
            case 3 :
            case 4 :
            case 6 :
            case 7 :
            case 8 :
            case 9 :
            case 10 :
            case 11 :
            case 13 :
            case 15 :
            case 16 :
            case 17 :
            case 18 :
            case 19 :
            case 20 :
            case 21 :
            case 22 :
            case 23 :
            case 24 :
            case 25 :
            case 26 :
            case 29 :
            case 30 :
                break;
            case 31 :
                var beg_ind$6 = str_ind + 1 | 0;
                var match$19 = parse_literal(beg_ind$6, beg_ind$6, end_ind);
                return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                            /* FFlush */2,
                            match$19[0]
                          ])];
            case 32 :
                var beg_ind$7 = str_ind + 1 | 0;
                var match$20 = parse_literal(beg_ind$7, beg_ind$7, end_ind);
                return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                            /* Escaped_at */5,
                            match$20[0]
                          ])];
            
          }
        }
        
      } else {
        var beg_ind$8 = str_ind + 1 | 0;
        var match$21 = parse_literal(beg_ind$8, beg_ind$8, end_ind);
        return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                    /* Force_newline */3,
                    match$21[0]
                  ])];
      }
      var beg_ind$9 = str_ind + 1 | 0;
      var match$22 = parse_literal(beg_ind$9, beg_ind$9, end_ind);
      return /* Fmt_EBB */[/* Formatting_lit */Block.__(17, [
                  /* Scan_indic */Block.__(2, [c]),
                  match$22[0]
                ])];
    }
  };
  var add_literal = function (lit_start, str_ind, fmt) {
    var size = str_ind - lit_start | 0;
    if (size !== 0) {
      if (size !== 1) {
        return /* Fmt_EBB */[/* String_literal */Block.__(11, [
                    $$String.sub(str, lit_start, size),
                    fmt
                  ])];
      } else {
        return /* Fmt_EBB */[/* Char_literal */Block.__(12, [
                    Caml_string.get(str, lit_start),
                    fmt
                  ])];
      }
    } else {
      return /* Fmt_EBB */[fmt];
    }
  };
  var parse_format = function (pct_ind, end_ind) {
    var pct_ind$1 = pct_ind;
    var str_ind = pct_ind + 1 | 0;
    var end_ind$1 = end_ind;
    if (str_ind === end_ind$1) {
      invalid_format_message(end_ind$1, "unexpected end of format");
    }
    var match = Caml_string.get(str, str_ind);
    if (match !== 95) {
      return parse_flags(pct_ind$1, str_ind, end_ind$1, false);
    } else {
      return parse_flags(pct_ind$1, str_ind + 1 | 0, end_ind$1, true);
    }
  };
  var parse_literal = function (lit_start, _str_ind, end_ind) {
    while(true) {
      var str_ind = _str_ind;
      if (str_ind === end_ind) {
        return add_literal(lit_start, str_ind, /* End_of_format */0);
      } else {
        var match = Caml_string.get(str, str_ind);
        if (match !== 37) {
          if (match !== 64) {
            _str_ind = str_ind + 1 | 0;
            continue ;
          } else {
            var match$1 = parse_after_at(str_ind + 1 | 0, end_ind);
            return add_literal(lit_start, str_ind, match$1[0]);
          }
        } else {
          var match$2 = parse_format(str_ind, end_ind);
          return add_literal(lit_start, str_ind, match$2[0]);
        }
      }
    };
  };
  var parse_spaces = function (_str_ind, end_ind) {
    while(true) {
      var str_ind = _str_ind;
      if (str_ind === end_ind) {
        invalid_format_message(end_ind, "unexpected end of format");
      }
      if (Caml_string.get(str, str_ind) === /* " " */32) {
        _str_ind = str_ind + 1 | 0;
        continue ;
      } else {
        return str_ind;
      }
    };
  };
  var parse_flags = function (pct_ind, str_ind, end_ind, ign) {
    var zero = {
      contents: false
    };
    var minus = {
      contents: false
    };
    var plus = {
      contents: false
    };
    var space = {
      contents: false
    };
    var hash = {
      contents: false
    };
    var set_flag = function (str_ind, flag) {
      if (flag.contents && !legacy_behavior$1) {
        Curry._3(failwith_message(/* Format */[
                  /* String_literal */Block.__(11, [
                      "invalid format ",
                      /* Caml_string */Block.__(3, [
                          /* No_padding */0,
                          /* String_literal */Block.__(11, [
                              ": at character number ",
                              /* Int */Block.__(4, [
                                  /* Int_d */0,
                                  /* No_padding */0,
                                  /* No_precision */0,
                                  /* String_literal */Block.__(11, [
                                      ", duplicate flag ",
                                      /* Caml_char */Block.__(1, [/* End_of_format */0])
                                    ])
                                ])
                            ])
                        ])
                    ]),
                  "invalid format %S: at character number %d, duplicate flag %C"
                ]), str, str_ind, Caml_string.get(str, str_ind));
      }
      flag.contents = true;
      return /* () */0;
    };
    var _str_ind = str_ind;
    while(true) {
      var str_ind$1 = _str_ind;
      if (str_ind$1 === end_ind) {
        invalid_format_message(end_ind, "unexpected end of format");
      }
      var match = Caml_string.get(str, str_ind$1);
      switch (match) {
        case 32 :
            set_flag(str_ind$1, space);
            _str_ind = str_ind$1 + 1 | 0;
            continue ;
        case 35 :
            set_flag(str_ind$1, hash);
            _str_ind = str_ind$1 + 1 | 0;
            continue ;
        case 43 :
            set_flag(str_ind$1, plus);
            _str_ind = str_ind$1 + 1 | 0;
            continue ;
        case 45 :
            set_flag(str_ind$1, minus);
            _str_ind = str_ind$1 + 1 | 0;
            continue ;
        case 33 :
        case 34 :
        case 36 :
        case 37 :
        case 38 :
        case 39 :
        case 40 :
        case 41 :
        case 42 :
        case 44 :
        case 46 :
        case 47 :
            break;
        case 48 :
            set_flag(str_ind$1, zero);
            _str_ind = str_ind$1 + 1 | 0;
            continue ;
        default:
          
      }
      var pct_ind$1 = pct_ind;
      var str_ind$2 = str_ind$1;
      var end_ind$1 = end_ind;
      var zero$1 = zero.contents;
      var minus$1 = minus.contents;
      var plus$1 = plus.contents;
      var hash$1 = hash.contents;
      var space$1 = space.contents;
      var ign$1 = ign;
      if (str_ind$2 === end_ind$1) {
        invalid_format_message(end_ind$1, "unexpected end of format");
      }
      var padty = zero$1 ? (
          minus$1 ? (
              legacy_behavior$1 ? /* Left */0 : incompatible_flag(pct_ind$1, str_ind$2, /* "-" */45, "0")
            ) : /* Zeros */2
        ) : (
          minus$1 ? /* Left */0 : /* Right */1
        );
      var match$1 = Caml_string.get(str, str_ind$2);
      if (match$1 >= 48) {
        if (match$1 < 58) {
          var match$2 = parse_positive(str_ind$2, end_ind$1, 0);
          return parse_after_padding(pct_ind$1, match$2[0], end_ind$1, minus$1, plus$1, hash$1, space$1, ign$1, /* Lit_padding */Block.__(0, [
                        padty,
                        match$2[1]
                      ]));
        }
        
      } else if (match$1 === 42) {
        return parse_after_padding(pct_ind$1, str_ind$2 + 1 | 0, end_ind$1, minus$1, plus$1, hash$1, space$1, ign$1, /* Arg_padding */Block.__(1, [padty]));
      }
      switch (padty) {
        case /* Left */0 :
            if (!legacy_behavior$1) {
              invalid_format_without(str_ind$2 - 1 | 0, /* "-" */45, "padding");
            }
            return parse_after_padding(pct_ind$1, str_ind$2, end_ind$1, minus$1, plus$1, hash$1, space$1, ign$1, /* No_padding */0);
        case /* Right */1 :
            return parse_after_padding(pct_ind$1, str_ind$2, end_ind$1, minus$1, plus$1, hash$1, space$1, ign$1, /* No_padding */0);
        case /* Zeros */2 :
            return parse_after_padding(pct_ind$1, str_ind$2, end_ind$1, minus$1, plus$1, hash$1, space$1, ign$1, /* Lit_padding */Block.__(0, [
                          /* Right */1,
                          0
                        ]));
        
      }
    };
  };
  var search_subformat_end = function (_str_ind, end_ind, c) {
    while(true) {
      var str_ind = _str_ind;
      if (str_ind === end_ind) {
        Curry._3(failwith_message(/* Format */[
                  /* String_literal */Block.__(11, [
                      "invalid format ",
                      /* Caml_string */Block.__(3, [
                          /* No_padding */0,
                          /* String_literal */Block.__(11, [
                              ": unclosed sub-format, expected \"",
                              /* Char_literal */Block.__(12, [
                                  /* "%" */37,
                                  /* Char */Block.__(0, [/* String_literal */Block.__(11, [
                                          "\" at character number ",
                                          /* Int */Block.__(4, [
                                              /* Int_d */0,
                                              /* No_padding */0,
                                              /* No_precision */0,
                                              /* End_of_format */0
                                            ])
                                        ])])
                                ])
                            ])
                        ])
                    ]),
                  "invalid format %S: unclosed sub-format, expected \"%%%c\" at character number %d"
                ]), str, c, end_ind);
      }
      var match = Caml_string.get(str, str_ind);
      if (match !== 37) {
        _str_ind = str_ind + 1 | 0;
        continue ;
      } else {
        if ((str_ind + 1 | 0) === end_ind) {
          invalid_format_message(end_ind, "unexpected end of format");
        }
        if (Caml_string.get(str, str_ind + 1 | 0) === c) {
          return str_ind;
        } else {
          var match$1 = Caml_string.get(str, str_ind + 1 | 0);
          if (match$1 >= 95) {
            if (match$1 >= 123) {
              if (match$1 < 126) {
                switch (match$1 - 123 | 0) {
                  case 0 :
                      var sub_end = search_subformat_end(str_ind + 2 | 0, end_ind, /* "}" */125);
                      _str_ind = sub_end + 2 | 0;
                      continue ;
                  case 1 :
                      break;
                  case 2 :
                      return expected_character(str_ind + 1 | 0, "character ')'", /* "}" */125);
                  
                }
              }
              
            } else if (match$1 < 96) {
              if ((str_ind + 2 | 0) === end_ind) {
                invalid_format_message(end_ind, "unexpected end of format");
              }
              var match$2 = Caml_string.get(str, str_ind + 2 | 0);
              if (match$2 !== 40) {
                if (match$2 !== 123) {
                  _str_ind = str_ind + 3 | 0;
                  continue ;
                } else {
                  var sub_end$1 = search_subformat_end(str_ind + 3 | 0, end_ind, /* "}" */125);
                  _str_ind = sub_end$1 + 2 | 0;
                  continue ;
                }
              } else {
                var sub_end$2 = search_subformat_end(str_ind + 3 | 0, end_ind, /* ")" */41);
                _str_ind = sub_end$2 + 2 | 0;
                continue ;
              }
            }
            
          } else if (match$1 !== 40) {
            if (match$1 === 41) {
              return expected_character(str_ind + 1 | 0, "character '}'", /* ")" */41);
            }
            
          } else {
            var sub_end$3 = search_subformat_end(str_ind + 2 | 0, end_ind, /* ")" */41);
            _str_ind = sub_end$3 + 2 | 0;
            continue ;
          }
          _str_ind = str_ind + 2 | 0;
          continue ;
        }
      }
    };
  };
  var parse_positive = function (_str_ind, end_ind, _acc) {
    while(true) {
      var acc = _acc;
      var str_ind = _str_ind;
      if (str_ind === end_ind) {
        invalid_format_message(end_ind, "unexpected end of format");
      }
      var c = Caml_string.get(str, str_ind);
      if (c > 57 || c < 48) {
        return /* tuple */[
                str_ind,
                acc
              ];
      } else {
        var new_acc = Caml_int32.imul(acc, 10) + (c - /* "0" */48 | 0) | 0;
        _acc = new_acc;
        _str_ind = str_ind + 1 | 0;
        continue ;
      }
    };
  };
  var check_open_box = function (fmt) {
    if (typeof fmt === "number" || !(fmt.tag === /* String_literal */11 && typeof fmt[1] === "number")) {
      return /* () */0;
    } else {
      try {
        open_box_of_string(fmt[0]);
        return /* () */0;
      }
      catch (raw_exn){
        var exn = Caml_js_exceptions.internalToOCamlException(raw_exn);
        if (exn[0] === Caml_builtin_exceptions.failure) {
          return /* () */0;
        } else {
          throw exn;
        }
      }
    }
  };
  var parse_conversion = function (pct_ind, str_ind, end_ind, plus, hash, space, ign, pad, prec, padprec, symb) {
    var plus_used = false;
    var hash_used = false;
    var space_used = false;
    var ign_used = {
      contents: false
    };
    var pad_used = {
      contents: false
    };
    var prec_used = {
      contents: false
    };
    var get_int_pad = function (param) {
      pad_used.contents = true;
      prec_used.contents = true;
      if (typeof prec === "number" && prec === 0) {
        return pad;
      }
      if (typeof pad === "number") {
        return /* No_padding */0;
      } else if (pad.tag) {
        if (pad[0] >= 2) {
          if (legacy_behavior$1) {
            return /* Arg_padding */Block.__(1, [/* Right */1]);
          } else {
            return incompatible_flag(pct_ind, str_ind, /* "0" */48, "precision");
          }
        } else {
          return pad;
        }
      } else if (pad[0] >= 2) {
        if (legacy_behavior$1) {
          return /* Lit_padding */Block.__(0, [
                    /* Right */1,
                    pad[1]
                  ]);
        } else {
          return incompatible_flag(pct_ind, str_ind, /* "0" */48, "precision");
        }
      } else {
        return pad;
      }
    };
    var check_no_0 = function (symb, pad) {
      if (typeof pad === "number") {
        return pad;
      } else if (pad.tag) {
        if (pad[0] >= 2) {
          if (legacy_behavior$1) {
            return /* Arg_padding */Block.__(1, [/* Right */1]);
          } else {
            return incompatible_flag(pct_ind, str_ind, symb, "0");
          }
        } else {
          return pad;
        }
      } else if (pad[0] >= 2) {
        if (legacy_behavior$1) {
          return /* Lit_padding */Block.__(0, [
                    /* Right */1,
                    pad[1]
                  ]);
        } else {
          return incompatible_flag(pct_ind, str_ind, symb, "0");
        }
      } else {
        return pad;
      }
    };
    var opt_of_pad = function (c, pad) {
      if (typeof pad === "number") {
        return ;
      } else if (pad.tag) {
        return incompatible_flag(pct_ind, str_ind, c, "'*'");
      } else {
        switch (pad[0]) {
          case /* Left */0 :
              if (legacy_behavior$1) {
                return pad[1];
              } else {
                return incompatible_flag(pct_ind, str_ind, c, "'-'");
              }
          case /* Right */1 :
              return pad[1];
          case /* Zeros */2 :
              if (legacy_behavior$1) {
                return pad[1];
              } else {
                return incompatible_flag(pct_ind, str_ind, c, "'0'");
              }
          
        }
      }
    };
    var get_prec_opt = function (param) {
      prec_used.contents = true;
      if (typeof prec === "number") {
        if (prec !== 0) {
          return incompatible_flag(pct_ind, str_ind, /* "_" */95, "'*'");
        } else {
          return ;
        }
      } else {
        return prec[0];
      }
    };
    var fmt_result;
    var exit = 0;
    var exit$1 = 0;
    var exit$2 = 0;
    if (symb >= 124) {
      exit$1 = 6;
    } else {
      switch (symb) {
        case 33 :
            var match = parse_literal(str_ind, str_ind, end_ind);
            fmt_result = /* Fmt_EBB */[/* Flush */Block.__(10, [match[0]])];
            break;
        case 40 :
            var sub_end = search_subformat_end(str_ind, end_ind, /* ")" */41);
            var beg_ind = sub_end + 2 | 0;
            var match$1 = parse_literal(beg_ind, beg_ind, end_ind);
            var fmt_rest = match$1[0];
            var match$2 = parse_literal(str_ind, str_ind, sub_end);
            var sub_fmtty = fmtty_of_fmt(match$2[0]);
            if (ign_used.contents = true, ign) {
              var ignored_000 = opt_of_pad(/* "_" */95, (pad_used.contents = true, pad));
              var ignored = /* Ignored_format_subst */Block.__(9, [
                  ignored_000,
                  sub_fmtty
                ]);
              fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                    ignored,
                    fmt_rest
                  ])];
            } else {
              fmt_result = /* Fmt_EBB */[/* Format_subst */Block.__(14, [
                    opt_of_pad(/* "(" */40, (pad_used.contents = true, pad)),
                    sub_fmtty,
                    fmt_rest
                  ])];
            }
            break;
        case 44 :
            fmt_result = parse_literal(str_ind, str_ind, end_ind);
            break;
        case 37 :
        case 64 :
            exit$1 = 4;
            break;
        case 67 :
            var match$3 = parse_literal(str_ind, str_ind, end_ind);
            var fmt_rest$1 = match$3[0];
            fmt_result = (ign_used.contents = true, ign) ? /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                    /* Ignored_caml_char */1,
                    fmt_rest$1
                  ])] : /* Fmt_EBB */[/* Caml_char */Block.__(1, [fmt_rest$1])];
            break;
        case 78 :
            var match$4 = parse_literal(str_ind, str_ind, end_ind);
            var fmt_rest$2 = match$4[0];
            if (ign_used.contents = true, ign) {
              var ignored$1 = /* Ignored_scan_get_counter */Block.__(11, [/* Token_counter */2]);
              fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                    ignored$1,
                    fmt_rest$2
                  ])];
            } else {
              fmt_result = /* Fmt_EBB */[/* Scan_get_counter */Block.__(21, [
                    /* Token_counter */2,
                    fmt_rest$2
                  ])];
            }
            break;
        case 83 :
            var pad$1 = check_no_0(symb, (pad_used.contents = true, padprec));
            var match$5 = parse_literal(str_ind, str_ind, end_ind);
            var fmt_rest$3 = match$5[0];
            if (ign_used.contents = true, ign) {
              var ignored$2 = /* Ignored_caml_string */Block.__(1, [opt_of_pad(/* "_" */95, (pad_used.contents = true, padprec))]);
              fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                    ignored$2,
                    fmt_rest$3
                  ])];
            } else {
              var match$6 = make_padding_fmt_ebb(pad$1, fmt_rest$3);
              fmt_result = /* Fmt_EBB */[/* Caml_string */Block.__(3, [
                    match$6[0],
                    match$6[1]
                  ])];
            }
            break;
        case 91 :
            var match$7 = parse_char_set(str_ind, end_ind);
            var char_set = match$7[1];
            var next_ind = match$7[0];
            var match$8 = parse_literal(next_ind, next_ind, end_ind);
            var fmt_rest$4 = match$8[0];
            if (ign_used.contents = true, ign) {
              var ignored_000$1 = opt_of_pad(/* "_" */95, (pad_used.contents = true, pad));
              var ignored$3 = /* Ignored_scan_char_set */Block.__(10, [
                  ignored_000$1,
                  char_set
                ]);
              fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                    ignored$3,
                    fmt_rest$4
                  ])];
            } else {
              fmt_result = /* Fmt_EBB */[/* Scan_char_set */Block.__(20, [
                    opt_of_pad(/* "[" */91, (pad_used.contents = true, pad)),
                    char_set,
                    fmt_rest$4
                  ])];
            }
            break;
        case 32 :
        case 35 :
        case 43 :
        case 45 :
        case 95 :
            exit$1 = 5;
            break;
        case 97 :
            var match$9 = parse_literal(str_ind, str_ind, end_ind);
            fmt_result = /* Fmt_EBB */[/* Alpha */Block.__(15, [match$9[0]])];
            break;
        case 66 :
        case 98 :
            exit$1 = 3;
            break;
        case 99 :
            var char_format = function (fmt_rest) {
              if (ign_used.contents = true, ign) {
                return /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                            /* Ignored_char */0,
                            fmt_rest
                          ])];
              } else {
                return /* Fmt_EBB */[/* Char */Block.__(0, [fmt_rest])];
              }
            };
            var scan_format = function (fmt_rest) {
              if (ign_used.contents = true, ign) {
                return /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                            /* Ignored_scan_next_char */3,
                            fmt_rest
                          ])];
              } else {
                return /* Fmt_EBB */[/* Scan_next_char */Block.__(22, [fmt_rest])];
              }
            };
            var match$10 = parse_literal(str_ind, str_ind, end_ind);
            var fmt_rest$5 = match$10[0];
            var match$11 = opt_of_pad(/* "c" */99, (pad_used.contents = true, pad));
            fmt_result = match$11 !== undefined ? (
                match$11 !== 0 ? (
                    legacy_behavior$1 ? char_format(fmt_rest$5) : invalid_format_message(str_ind, "non-zero widths are unsupported for %c conversions")
                  ) : scan_format(fmt_rest$5)
              ) : char_format(fmt_rest$5);
            break;
        case 69 :
        case 70 :
        case 71 :
        case 72 :
        case 101 :
        case 102 :
        case 103 :
        case 104 :
            exit$1 = 2;
            break;
        case 76 :
        case 108 :
        case 110 :
            exit$2 = 8;
            break;
        case 114 :
            var match$12 = parse_literal(str_ind, str_ind, end_ind);
            var fmt_rest$6 = match$12[0];
            fmt_result = (ign_used.contents = true, ign) ? /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                    /* Ignored_reader */2,
                    fmt_rest$6
                  ])] : /* Fmt_EBB */[/* Reader */Block.__(19, [fmt_rest$6])];
            break;
        case 115 :
            var pad$2 = check_no_0(symb, (pad_used.contents = true, padprec));
            var match$13 = parse_literal(str_ind, str_ind, end_ind);
            var fmt_rest$7 = match$13[0];
            if (ign_used.contents = true, ign) {
              var ignored$4 = /* Ignored_string */Block.__(0, [opt_of_pad(/* "_" */95, (pad_used.contents = true, padprec))]);
              fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                    ignored$4,
                    fmt_rest$7
                  ])];
            } else {
              var match$14 = make_padding_fmt_ebb(pad$2, fmt_rest$7);
              fmt_result = /* Fmt_EBB */[/* String */Block.__(2, [
                    match$14[0],
                    match$14[1]
                  ])];
            }
            break;
        case 116 :
            var match$15 = parse_literal(str_ind, str_ind, end_ind);
            fmt_result = /* Fmt_EBB */[/* Theta */Block.__(16, [match$15[0]])];
            break;
        case 88 :
        case 100 :
        case 105 :
        case 111 :
        case 117 :
        case 120 :
            exit$2 = 7;
            break;
        case 0 :
        case 1 :
        case 2 :
        case 3 :
        case 4 :
        case 5 :
        case 6 :
        case 7 :
        case 8 :
        case 9 :
        case 10 :
        case 11 :
        case 12 :
        case 13 :
        case 14 :
        case 15 :
        case 16 :
        case 17 :
        case 18 :
        case 19 :
        case 20 :
        case 21 :
        case 22 :
        case 23 :
        case 24 :
        case 25 :
        case 26 :
        case 27 :
        case 28 :
        case 29 :
        case 30 :
        case 31 :
        case 34 :
        case 36 :
        case 38 :
        case 39 :
        case 41 :
        case 42 :
        case 46 :
        case 47 :
        case 48 :
        case 49 :
        case 50 :
        case 51 :
        case 52 :
        case 53 :
        case 54 :
        case 55 :
        case 56 :
        case 57 :
        case 58 :
        case 59 :
        case 60 :
        case 61 :
        case 62 :
        case 63 :
        case 65 :
        case 68 :
        case 73 :
        case 74 :
        case 75 :
        case 77 :
        case 79 :
        case 80 :
        case 81 :
        case 82 :
        case 84 :
        case 85 :
        case 86 :
        case 87 :
        case 89 :
        case 90 :
        case 92 :
        case 93 :
        case 94 :
        case 96 :
        case 106 :
        case 107 :
        case 109 :
        case 112 :
        case 113 :
        case 118 :
        case 119 :
        case 121 :
        case 122 :
            exit$1 = 6;
            break;
        case 123 :
            var sub_end$1 = search_subformat_end(str_ind, end_ind, /* "}" */125);
            var match$16 = parse_literal(str_ind, str_ind, sub_end$1);
            var beg_ind$1 = sub_end$1 + 2 | 0;
            var match$17 = parse_literal(beg_ind$1, beg_ind$1, end_ind);
            var fmt_rest$8 = match$17[0];
            var sub_fmtty$1 = fmtty_of_fmt(match$16[0]);
            if (ign_used.contents = true, ign) {
              var ignored_000$2 = opt_of_pad(/* "_" */95, (pad_used.contents = true, pad));
              var ignored$5 = /* Ignored_format_arg */Block.__(8, [
                  ignored_000$2,
                  sub_fmtty$1
                ]);
              fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                    ignored$5,
                    fmt_rest$8
                  ])];
            } else {
              fmt_result = /* Fmt_EBB */[/* Format_arg */Block.__(13, [
                    opt_of_pad(/* "{" */123, (pad_used.contents = true, pad)),
                    sub_fmtty$1,
                    fmt_rest$8
                  ])];
            }
            break;
        
      }
    }
    switch (exit$2) {
      case 7 :
          plus_used = true;
          hash_used = true;
          space_used = true;
          var iconv = compute_int_conv(pct_ind, str_ind, plus, hash, space, symb);
          var match$18 = parse_literal(str_ind, str_ind, end_ind);
          var fmt_rest$9 = match$18[0];
          if (ign_used.contents = true, ign) {
            var ignored_001 = opt_of_pad(/* "_" */95, (pad_used.contents = true, pad));
            var ignored$6 = /* Ignored_int */Block.__(2, [
                iconv,
                ignored_001
              ]);
            fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                  ignored$6,
                  fmt_rest$9
                ])];
          } else {
            var match$19 = make_padprec_fmt_ebb(get_int_pad(/* () */0), (prec_used.contents = true, prec), fmt_rest$9);
            fmt_result = /* Fmt_EBB */[/* Int */Block.__(4, [
                  iconv,
                  match$19[0],
                  match$19[1],
                  match$19[2]
                ])];
          }
          break;
      case 8 :
          if (str_ind === end_ind || !is_int_base(Caml_string.get(str, str_ind))) {
            var match$20 = parse_literal(str_ind, str_ind, end_ind);
            var fmt_rest$10 = match$20[0];
            var counter = counter_of_char(symb);
            if (ign_used.contents = true, ign) {
              var ignored$7 = /* Ignored_scan_get_counter */Block.__(11, [counter]);
              fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                    ignored$7,
                    fmt_rest$10
                  ])];
            } else {
              fmt_result = /* Fmt_EBB */[/* Scan_get_counter */Block.__(21, [
                    counter,
                    fmt_rest$10
                  ])];
            }
          } else {
            exit$1 = 6;
          }
          break;
      
    }
    switch (exit$1) {
      case 2 :
          plus_used = true;
          space_used = true;
          var fconv = compute_float_conv(pct_ind, str_ind, plus, space, symb);
          var match$21 = parse_literal(str_ind, str_ind, end_ind);
          var fmt_rest$11 = match$21[0];
          if (ign_used.contents = true, ign) {
            var ignored_000$3 = opt_of_pad(/* "_" */95, (pad_used.contents = true, pad));
            var ignored_001$1 = get_prec_opt(/* () */0);
            var ignored$8 = /* Ignored_float */Block.__(6, [
                ignored_000$3,
                ignored_001$1
              ]);
            fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                  ignored$8,
                  fmt_rest$11
                ])];
          } else {
            var match$22 = make_padprec_fmt_ebb((pad_used.contents = true, pad), (prec_used.contents = true, prec), fmt_rest$11);
            fmt_result = /* Fmt_EBB */[/* Float */Block.__(8, [
                  fconv,
                  match$22[0],
                  match$22[1],
                  match$22[2]
                ])];
          }
          break;
      case 3 :
          var pad$3 = check_no_0(symb, (pad_used.contents = true, padprec));
          var match$23 = parse_literal(str_ind, str_ind, end_ind);
          var fmt_rest$12 = match$23[0];
          if (ign_used.contents = true, ign) {
            var ignored$9 = /* Ignored_bool */Block.__(7, [opt_of_pad(/* "_" */95, (pad_used.contents = true, padprec))]);
            fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                  ignored$9,
                  fmt_rest$12
                ])];
          } else {
            var match$24 = make_padding_fmt_ebb(pad$3, fmt_rest$12);
            fmt_result = /* Fmt_EBB */[/* Bool */Block.__(9, [
                  match$24[0],
                  match$24[1]
                ])];
          }
          break;
      case 4 :
          var match$25 = parse_literal(str_ind, str_ind, end_ind);
          fmt_result = /* Fmt_EBB */[/* Char_literal */Block.__(12, [
                symb,
                match$25[0]
              ])];
          break;
      case 5 :
          fmt_result = Curry._3(failwith_message(/* Format */[
                    /* String_literal */Block.__(11, [
                        "invalid format ",
                        /* Caml_string */Block.__(3, [
                            /* No_padding */0,
                            /* String_literal */Block.__(11, [
                                ": at character number ",
                                /* Int */Block.__(4, [
                                    /* Int_d */0,
                                    /* No_padding */0,
                                    /* No_precision */0,
                                    /* String_literal */Block.__(11, [
                                        ", flag ",
                                        /* Caml_char */Block.__(1, [/* String_literal */Block.__(11, [
                                                " is only allowed after the '",
                                                /* Char_literal */Block.__(12, [
                                                    /* "%" */37,
                                                    /* String_literal */Block.__(11, [
                                                        "', before padding and precision",
                                                        /* End_of_format */0
                                                      ])
                                                  ])
                                              ])])
                                      ])
                                  ])
                              ])
                          ])
                      ]),
                    "invalid format %S: at character number %d, flag %C is only allowed after the '%%', before padding and precision"
                  ]), str, pct_ind, symb);
          break;
      case 6 :
          if (symb >= 108) {
            if (symb >= 111) {
              exit = 1;
            } else {
              switch (symb - 108 | 0) {
                case 0 :
                    plus_used = true;
                    hash_used = true;
                    space_used = true;
                    var iconv$1 = compute_int_conv(pct_ind, str_ind + 1 | 0, plus, hash, space, Caml_string.get(str, str_ind));
                    var beg_ind$2 = str_ind + 1 | 0;
                    var match$26 = parse_literal(beg_ind$2, beg_ind$2, end_ind);
                    var fmt_rest$13 = match$26[0];
                    if (ign_used.contents = true, ign) {
                      var ignored_001$2 = opt_of_pad(/* "_" */95, (pad_used.contents = true, pad));
                      var ignored$10 = /* Ignored_int32 */Block.__(3, [
                          iconv$1,
                          ignored_001$2
                        ]);
                      fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                            ignored$10,
                            fmt_rest$13
                          ])];
                    } else {
                      var match$27 = make_padprec_fmt_ebb(get_int_pad(/* () */0), (prec_used.contents = true, prec), fmt_rest$13);
                      fmt_result = /* Fmt_EBB */[/* Int32 */Block.__(5, [
                            iconv$1,
                            match$27[0],
                            match$27[1],
                            match$27[2]
                          ])];
                    }
                    break;
                case 1 :
                    exit = 1;
                    break;
                case 2 :
                    plus_used = true;
                    hash_used = true;
                    space_used = true;
                    var iconv$2 = compute_int_conv(pct_ind, str_ind + 1 | 0, plus, hash, space, Caml_string.get(str, str_ind));
                    var beg_ind$3 = str_ind + 1 | 0;
                    var match$28 = parse_literal(beg_ind$3, beg_ind$3, end_ind);
                    var fmt_rest$14 = match$28[0];
                    if (ign_used.contents = true, ign) {
                      var ignored_001$3 = opt_of_pad(/* "_" */95, (pad_used.contents = true, pad));
                      var ignored$11 = /* Ignored_nativeint */Block.__(4, [
                          iconv$2,
                          ignored_001$3
                        ]);
                      fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                            ignored$11,
                            fmt_rest$14
                          ])];
                    } else {
                      var match$29 = make_padprec_fmt_ebb(get_int_pad(/* () */0), (prec_used.contents = true, prec), fmt_rest$14);
                      fmt_result = /* Fmt_EBB */[/* Nativeint */Block.__(6, [
                            iconv$2,
                            match$29[0],
                            match$29[1],
                            match$29[2]
                          ])];
                    }
                    break;
                
              }
            }
          } else if (symb !== 76) {
            exit = 1;
          } else {
            plus_used = true;
            hash_used = true;
            space_used = true;
            var iconv$3 = compute_int_conv(pct_ind, str_ind + 1 | 0, plus, hash, space, Caml_string.get(str, str_ind));
            var beg_ind$4 = str_ind + 1 | 0;
            var match$30 = parse_literal(beg_ind$4, beg_ind$4, end_ind);
            var fmt_rest$15 = match$30[0];
            if (ign_used.contents = true, ign) {
              var ignored_001$4 = opt_of_pad(/* "_" */95, (pad_used.contents = true, pad));
              var ignored$12 = /* Ignored_int64 */Block.__(5, [
                  iconv$3,
                  ignored_001$4
                ]);
              fmt_result = /* Fmt_EBB */[/* Ignored_param */Block.__(23, [
                    ignored$12,
                    fmt_rest$15
                  ])];
            } else {
              var match$31 = make_padprec_fmt_ebb(get_int_pad(/* () */0), (prec_used.contents = true, prec), fmt_rest$15);
              fmt_result = /* Fmt_EBB */[/* Int64 */Block.__(7, [
                    iconv$3,
                    match$31[0],
                    match$31[1],
                    match$31[2]
                  ])];
            }
          }
          break;
      
    }
    if (exit === 1) {
      fmt_result = Curry._3(failwith_message(/* Format */[
                /* String_literal */Block.__(11, [
                    "invalid format ",
                    /* Caml_string */Block.__(3, [
                        /* No_padding */0,
                        /* String_literal */Block.__(11, [
                            ": at character number ",
                            /* Int */Block.__(4, [
                                /* Int_d */0,
                                /* No_padding */0,
                                /* No_precision */0,
                                /* String_literal */Block.__(11, [
                                    ", invalid conversion \"",
                                    /* Char_literal */Block.__(12, [
                                        /* "%" */37,
                                        /* Char */Block.__(0, [/* Char_literal */Block.__(12, [
                                                /* "\"" */34,
                                                /* End_of_format */0
                                              ])])
                                      ])
                                  ])
                              ])
                          ])
                      ])
                  ]),
                "invalid format %S: at character number %d, invalid conversion \"%%%c\""
              ]), str, str_ind - 1 | 0, symb);
    }
    if (!legacy_behavior$1) {
      if (!plus_used && plus) {
        incompatible_flag(pct_ind, str_ind, symb, "'+'");
      }
      if (!hash_used && hash) {
        incompatible_flag(pct_ind, str_ind, symb, "'#'");
      }
      if (!space_used && space) {
        incompatible_flag(pct_ind, str_ind, symb, "' '");
      }
      if (!pad_used.contents && Caml_obj.caml_notequal(/* Padding_EBB */[pad], /* Padding_EBB */[/* No_padding */0])) {
        incompatible_flag(pct_ind, str_ind, symb, "`padding'");
      }
      if (!prec_used.contents && Caml_obj.caml_notequal(/* Precision_EBB */[prec], /* Precision_EBB */[/* No_precision */0])) {
        incompatible_flag(pct_ind, str_ind, ign ? /* "_" */95 : symb, "`precision'");
      }
      if (ign && plus) {
        incompatible_flag(pct_ind, str_ind, /* "_" */95, "'+'");
      }
      
    }
    if (!ign_used.contents && ign) {
      var exit$3 = 0;
      if (symb >= 38) {
        if (symb !== 44) {
          if (symb !== 64 || !legacy_behavior$1) {
            exit$3 = 1;
          }
          
        } else if (!legacy_behavior$1) {
          exit$3 = 1;
        }
        
      } else if (symb !== 33) {
        if (!(symb >= 37 && legacy_behavior$1)) {
          exit$3 = 1;
        }
        
      } else if (!legacy_behavior$1) {
        exit$3 = 1;
      }
      if (exit$3 === 1) {
        incompatible_flag(pct_ind, str_ind, symb, "'_'");
      }
      
    }
    return fmt_result;
  };
  var parse_integer = function (str_ind, end_ind) {
    if (str_ind === end_ind) {
      invalid_format_message(end_ind, "unexpected end of format");
    }
    var match = Caml_string.get(str, str_ind);
    if (match >= 48) {
      if (match >= 58) {
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                2814,
                11
              ]
            ];
      }
      return parse_positive(str_ind, end_ind, 0);
    } else {
      if (match !== 45) {
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                2814,
                11
              ]
            ];
      }
      if ((str_ind + 1 | 0) === end_ind) {
        invalid_format_message(end_ind, "unexpected end of format");
      }
      var c = Caml_string.get(str, str_ind + 1 | 0);
      if (c > 57 || c < 48) {
        return expected_character(str_ind + 1 | 0, "digit", c);
      } else {
        var match$1 = parse_positive(str_ind + 1 | 0, end_ind, 0);
        return /* tuple */[
                match$1[0],
                -match$1[1] | 0
              ];
      }
    }
  };
  var incompatible_flag = function (pct_ind, str_ind, symb, option) {
    var subfmt = $$String.sub(str, pct_ind, str_ind - pct_ind | 0);
    return Curry._5(failwith_message(/* Format */[
                    /* String_literal */Block.__(11, [
                        "invalid format ",
                        /* Caml_string */Block.__(3, [
                            /* No_padding */0,
                            /* String_literal */Block.__(11, [
                                ": at character number ",
                                /* Int */Block.__(4, [
                                    /* Int_d */0,
                                    /* No_padding */0,
                                    /* No_precision */0,
                                    /* String_literal */Block.__(11, [
                                        ", ",
                                        /* String */Block.__(2, [
                                            /* No_padding */0,
                                            /* String_literal */Block.__(11, [
                                                " is incompatible with '",
                                                /* Char */Block.__(0, [/* String_literal */Block.__(11, [
                                                        "' in sub-format ",
                                                        /* Caml_string */Block.__(3, [
                                                            /* No_padding */0,
                                                            /* End_of_format */0
                                                          ])
                                                      ])])
                                              ])
                                          ])
                                      ])
                                  ])
                              ])
                          ])
                      ]),
                    "invalid format %S: at character number %d, %s is incompatible with '%c' in sub-format %S"
                  ]), str, pct_ind, option, symb, subfmt);
  };
  var parse_after_padding = function (pct_ind, str_ind, end_ind, minus, plus, hash, space, ign, pad) {
    if (str_ind === end_ind) {
      invalid_format_message(end_ind, "unexpected end of format");
    }
    var symb = Caml_string.get(str, str_ind);
    if (symb !== 46) {
      return parse_conversion(pct_ind, str_ind + 1 | 0, end_ind, plus, hash, space, ign, pad, /* No_precision */0, pad, symb);
    } else {
      var pct_ind$1 = pct_ind;
      var str_ind$1 = str_ind + 1 | 0;
      var end_ind$1 = end_ind;
      var minus$1 = minus;
      var plus$1 = plus;
      var hash$1 = hash;
      var space$1 = space;
      var ign$1 = ign;
      var pad$1 = pad;
      if (str_ind$1 === end_ind$1) {
        invalid_format_message(end_ind$1, "unexpected end of format");
      }
      var parse_literal = function (minus, str_ind) {
        var match = parse_positive(str_ind, end_ind$1, 0);
        return parse_after_precision(pct_ind$1, match[0], end_ind$1, minus, plus$1, hash$1, space$1, ign$1, pad$1, /* Lit_precision */[match[1]]);
      };
      var symb$1 = Caml_string.get(str, str_ind$1);
      var exit = 0;
      if (symb$1 >= 48) {
        if (symb$1 < 58) {
          return parse_literal(minus$1, str_ind$1);
        }
        
      } else if (symb$1 >= 42) {
        switch (symb$1 - 42 | 0) {
          case 0 :
              return parse_after_precision(pct_ind$1, str_ind$1 + 1 | 0, end_ind$1, minus$1, plus$1, hash$1, space$1, ign$1, pad$1, /* Arg_precision */1);
          case 1 :
          case 3 :
              exit = 2;
              break;
          case 2 :
          case 4 :
          case 5 :
              break;
          
        }
      }
      if (exit === 2 && legacy_behavior$1) {
        return parse_literal(minus$1 || symb$1 === /* "-" */45, str_ind$1 + 1 | 0);
      }
      if (legacy_behavior$1) {
        return parse_after_precision(pct_ind$1, str_ind$1, end_ind$1, minus$1, plus$1, hash$1, space$1, ign$1, pad$1, /* Lit_precision */[0]);
      } else {
        return invalid_format_without(str_ind$1 - 1 | 0, /* "." */46, "precision");
      }
    }
  };
  var is_int_base = function (symb) {
    switch (symb) {
      case 89 :
      case 90 :
      case 91 :
      case 92 :
      case 93 :
      case 94 :
      case 95 :
      case 96 :
      case 97 :
      case 98 :
      case 99 :
      case 101 :
      case 102 :
      case 103 :
      case 104 :
      case 106 :
      case 107 :
      case 108 :
      case 109 :
      case 110 :
      case 112 :
      case 113 :
      case 114 :
      case 115 :
      case 116 :
      case 118 :
      case 119 :
          return false;
      case 88 :
      case 100 :
      case 105 :
      case 111 :
      case 117 :
      case 120 :
          return true;
      default:
        return false;
    }
  };
  var counter_of_char = function (symb) {
    if (symb >= 108) {
      if (symb < 111) {
        switch (symb - 108 | 0) {
          case 0 :
              return /* Line_counter */0;
          case 1 :
              break;
          case 2 :
              return /* Char_counter */1;
          
        }
      }
      
    } else if (symb === 76) {
      return /* Token_counter */2;
    }
    throw [
          Caml_builtin_exceptions.assert_failure,
          /* tuple */[
            "camlinternalFormat.ml",
            2876,
            34
          ]
        ];
  };
  var parse_char_set = function (str_ind, end_ind) {
    if (str_ind === end_ind) {
      invalid_format_message(end_ind, "unexpected end of format");
    }
    var char_set = Bytes.make(32, /* "\000" */0);
    var add_range = function (c, c$prime) {
      for(var i = c; i <= c$prime; ++i){
        add_in_char_set(char_set, Pervasives.char_of_int(i));
      }
      return /* () */0;
    };
    var fail_single_percent = function (str_ind) {
      return Curry._2(failwith_message(/* Format */[
                      /* String_literal */Block.__(11, [
                          "invalid format ",
                          /* Caml_string */Block.__(3, [
                              /* No_padding */0,
                              /* String_literal */Block.__(11, [
                                  ": '",
                                  /* Char_literal */Block.__(12, [
                                      /* "%" */37,
                                      /* String_literal */Block.__(11, [
                                          "' alone is not accepted in character sets, use ",
                                          /* Char_literal */Block.__(12, [
                                              /* "%" */37,
                                              /* Char_literal */Block.__(12, [
                                                  /* "%" */37,
                                                  /* String_literal */Block.__(11, [
                                                      " instead at position ",
                                                      /* Int */Block.__(4, [
                                                          /* Int_d */0,
                                                          /* No_padding */0,
                                                          /* No_precision */0,
                                                          /* Char_literal */Block.__(12, [
                                                              /* "." */46,
                                                              /* End_of_format */0
                                                            ])
                                                        ])
                                                    ])
                                                ])
                                            ])
                                        ])
                                    ])
                                ])
                            ])
                        ]),
                      "invalid format %S: '%%' alone is not accepted in character sets, use %%%% instead at position %d."
                    ]), str, str_ind);
    };
    var parse_char_set_content = function (_str_ind, end_ind) {
      while(true) {
        var str_ind = _str_ind;
        if (str_ind === end_ind) {
          invalid_format_message(end_ind, "unexpected end of format");
        }
        var c = Caml_string.get(str, str_ind);
        if (c !== 45) {
          if (c !== 93) {
            return parse_char_set_after_char(str_ind + 1 | 0, end_ind, c);
          } else {
            return str_ind + 1 | 0;
          }
        } else {
          add_in_char_set(char_set, /* "-" */45);
          _str_ind = str_ind + 1 | 0;
          continue ;
        }
      };
    };
    var parse_char_set_after_char = function (_str_ind, end_ind, _c) {
      while(true) {
        var c = _c;
        var str_ind = _str_ind;
        if (str_ind === end_ind) {
          invalid_format_message(end_ind, "unexpected end of format");
        }
        var c$prime = Caml_string.get(str, str_ind);
        var exit = 0;
        if (c$prime >= 46) {
          if (c$prime !== 64) {
            if (c$prime === 93) {
              add_in_char_set(char_set, c);
              return str_ind + 1 | 0;
            }
            
          } else {
            exit = 2;
          }
        } else if (c$prime !== 37) {
          if (c$prime >= 45) {
            var str_ind$1 = str_ind + 1 | 0;
            var end_ind$1 = end_ind;
            var c$1 = c;
            if (str_ind$1 === end_ind$1) {
              invalid_format_message(end_ind$1, "unexpected end of format");
            }
            var c$prime$1 = Caml_string.get(str, str_ind$1);
            if (c$prime$1 !== 37) {
              if (c$prime$1 !== 93) {
                add_range(c$1, c$prime$1);
                return parse_char_set_content(str_ind$1 + 1 | 0, end_ind$1);
              } else {
                add_in_char_set(char_set, c$1);
                add_in_char_set(char_set, /* "-" */45);
                return str_ind$1 + 1 | 0;
              }
            } else {
              if ((str_ind$1 + 1 | 0) === end_ind$1) {
                invalid_format_message(end_ind$1, "unexpected end of format");
              }
              var c$prime$2 = Caml_string.get(str, str_ind$1 + 1 | 0);
              if (c$prime$2 !== 37 && c$prime$2 !== 64) {
                return fail_single_percent(str_ind$1);
              }
              add_range(c$1, c$prime$2);
              return parse_char_set_content(str_ind$1 + 2 | 0, end_ind$1);
            }
          }
          
        } else {
          exit = 2;
        }
        if (exit === 2 && c === /* "%" */37) {
          add_in_char_set(char_set, c$prime);
          return parse_char_set_content(str_ind + 1 | 0, end_ind);
        }
        if (c === /* "%" */37) {
          fail_single_percent(str_ind);
        }
        add_in_char_set(char_set, c);
        _c = c$prime;
        _str_ind = str_ind + 1 | 0;
        continue ;
      };
    };
    var parse_char_set_start = function (str_ind, end_ind) {
      if (str_ind === end_ind) {
        invalid_format_message(end_ind, "unexpected end of format");
      }
      var c = Caml_string.get(str, str_ind);
      return parse_char_set_after_char(str_ind + 1 | 0, end_ind, c);
    };
    if (str_ind === end_ind) {
      invalid_format_message(end_ind, "unexpected end of format");
    }
    var match = Caml_string.get(str, str_ind);
    var match$1 = match !== 94 ? /* tuple */[
        str_ind,
        false
      ] : /* tuple */[
        str_ind + 1 | 0,
        true
      ];
    var next_ind = parse_char_set_start(match$1[0], end_ind);
    var char_set$1 = Bytes.to_string(char_set);
    return /* tuple */[
            next_ind,
            match$1[1] ? rev_char_set(char_set$1) : char_set$1
          ];
  };
  var compute_int_conv = function (pct_ind, str_ind, _plus, _hash, _space, symb) {
    while(true) {
      var space = _space;
      var hash = _hash;
      var plus = _plus;
      var exit = 0;
      if (plus) {
        if (hash) {
          exit = 2;
        } else if (!space) {
          if (symb !== 100) {
            if (symb === 105) {
              return /* Int_pi */4;
            }
            
          } else {
            return /* Int_pd */1;
          }
        }
        
      } else if (hash) {
        if (space) {
          exit = 2;
        } else if (symb !== 88) {
          if (symb !== 111) {
            if (symb !== 120) {
              exit = 2;
            } else {
              return /* Int_Cx */7;
            }
          } else {
            return /* Int_Co */11;
          }
        } else {
          return /* Int_CX */9;
        }
      } else if (space) {
        if (symb !== 100) {
          if (symb === 105) {
            return /* Int_si */5;
          }
          
        } else {
          return /* Int_sd */2;
        }
      } else {
        switch (symb) {
          case 88 :
              return /* Int_X */8;
          case 100 :
              return /* Int_d */0;
          case 105 :
              return /* Int_i */3;
          case 111 :
              return /* Int_o */10;
          case 117 :
              return /* Int_u */12;
          case 89 :
          case 90 :
          case 91 :
          case 92 :
          case 93 :
          case 94 :
          case 95 :
          case 96 :
          case 97 :
          case 98 :
          case 99 :
          case 101 :
          case 102 :
          case 103 :
          case 104 :
          case 106 :
          case 107 :
          case 108 :
          case 109 :
          case 110 :
          case 112 :
          case 113 :
          case 114 :
          case 115 :
          case 116 :
          case 118 :
          case 119 :
              break;
          case 120 :
              return /* Int_x */6;
          default:
            
        }
      }
      if (exit === 2) {
        var exit$1 = 0;
        switch (symb) {
          case 88 :
              if (legacy_behavior$1) {
                return /* Int_CX */9;
              }
              break;
          case 111 :
              if (legacy_behavior$1) {
                return /* Int_Co */11;
              }
              break;
          case 100 :
          case 105 :
          case 117 :
              exit$1 = 3;
              break;
          case 89 :
          case 90 :
          case 91 :
          case 92 :
          case 93 :
          case 94 :
          case 95 :
          case 96 :
          case 97 :
          case 98 :
          case 99 :
          case 101 :
          case 102 :
          case 103 :
          case 104 :
          case 106 :
          case 107 :
          case 108 :
          case 109 :
          case 110 :
          case 112 :
          case 113 :
          case 114 :
          case 115 :
          case 116 :
          case 118 :
          case 119 :
              break;
          case 120 :
              if (legacy_behavior$1) {
                return /* Int_Cx */7;
              }
              break;
          default:
            
        }
        if (exit$1 === 3) {
          if (legacy_behavior$1) {
            _hash = false;
            continue ;
          } else {
            return incompatible_flag(pct_ind, str_ind, symb, "'#'");
          }
        }
        
      }
      if (plus) {
        if (space) {
          if (legacy_behavior$1) {
            _space = false;
            continue ;
          } else {
            return incompatible_flag(pct_ind, str_ind, /* " " */32, "'+'");
          }
        } else if (legacy_behavior$1) {
          _plus = false;
          continue ;
        } else {
          return incompatible_flag(pct_ind, str_ind, symb, "'+'");
        }
      } else if (space) {
        if (legacy_behavior$1) {
          _space = false;
          continue ;
        } else {
          return incompatible_flag(pct_ind, str_ind, symb, "' '");
        }
      } else {
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                2909,
                28
              ]
            ];
      }
    };
  };
  var compute_float_conv = function (pct_ind, str_ind, _plus, _space, symb) {
    while(true) {
      var space = _space;
      var plus = _plus;
      if (plus) {
        if (space) {
          if (legacy_behavior$1) {
            _space = false;
            continue ;
          } else {
            return incompatible_flag(pct_ind, str_ind, /* " " */32, "'+'");
          }
        } else {
          if (symb >= 73) {
            switch (symb) {
              case 101 :
                  return /* Float_pe */4;
              case 102 :
                  return /* Float_pf */1;
              case 103 :
                  return /* Float_pg */10;
              case 104 :
                  return /* Float_ph */17;
              default:
                
            }
          } else if (symb >= 69) {
            switch (symb - 69 | 0) {
              case 0 :
                  return /* Float_pE */7;
              case 1 :
                  break;
              case 2 :
                  return /* Float_pG */13;
              case 3 :
                  return /* Float_pH */20;
              
            }
          }
          if (legacy_behavior$1) {
            _plus = false;
            continue ;
          } else {
            return incompatible_flag(pct_ind, str_ind, symb, "'+'");
          }
        }
      } else if (space) {
        if (symb >= 73) {
          switch (symb) {
            case 101 :
                return /* Float_se */5;
            case 102 :
                return /* Float_sf */2;
            case 103 :
                return /* Float_sg */11;
            case 104 :
                return /* Float_sh */18;
            default:
              
          }
        } else if (symb >= 69) {
          switch (symb - 69 | 0) {
            case 0 :
                return /* Float_sE */8;
            case 1 :
                break;
            case 2 :
                return /* Float_sG */14;
            case 3 :
                return /* Float_sH */21;
            
          }
        }
        if (legacy_behavior$1) {
          _space = false;
          continue ;
        } else {
          return incompatible_flag(pct_ind, str_ind, symb, "' '");
        }
      } else if (symb >= 73) {
        switch (symb) {
          case 101 :
              return /* Float_e */3;
          case 102 :
              return /* Float_f */0;
          case 103 :
              return /* Float_g */9;
          case 104 :
              return /* Float_h */16;
          default:
            throw [
                  Caml_builtin_exceptions.assert_failure,
                  /* tuple */[
                    "camlinternalFormat.ml",
                    2943,
                    25
                  ]
                ];
        }
      } else if (symb >= 69) {
        switch (symb - 69 | 0) {
          case 0 :
              return /* Float_E */6;
          case 1 :
              return /* Float_F */15;
          case 2 :
              return /* Float_G */12;
          case 3 :
              return /* Float_H */19;
          
        }
      } else {
        throw [
              Caml_builtin_exceptions.assert_failure,
              /* tuple */[
                "camlinternalFormat.ml",
                2943,
                25
              ]
            ];
      }
    };
  };
  var parse_after_precision = function (pct_ind, str_ind, end_ind, minus, plus, hash, space, ign, pad, prec) {
    if (str_ind === end_ind) {
      invalid_format_message(end_ind, "unexpected end of format");
    }
    var parse_conv = function (padprec) {
      return parse_conversion(pct_ind, str_ind + 1 | 0, end_ind, plus, hash, space, ign, pad, prec, padprec, Caml_string.get(str, str_ind));
    };
    if (typeof pad === "number") {
      if (typeof prec === "number" && prec === 0) {
        return parse_conv(/* No_padding */0);
      }
      if (minus) {
        if (typeof prec === "number") {
          return parse_conv(/* Arg_padding */Block.__(1, [/* Left */0]));
        } else {
          return parse_conv(/* Lit_padding */Block.__(0, [
                        /* Left */0,
                        prec[0]
                      ]));
        }
      } else if (typeof prec === "number") {
        return parse_conv(/* Arg_padding */Block.__(1, [/* Right */1]));
      } else {
        return parse_conv(/* Lit_padding */Block.__(0, [
                      /* Right */1,
                      prec[0]
                    ]));
      }
    } else {
      return parse_conv(pad);
    }
  };
  var parse_tag = function (is_open_tag, str_ind, end_ind) {
    try {
      if (str_ind === end_ind) {
        throw Caml_builtin_exceptions.not_found;
      }
      var match = Caml_string.get(str, str_ind);
      if (match !== 60) {
        throw Caml_builtin_exceptions.not_found;
      }
      var ind = $$String.index_from(str, str_ind + 1 | 0, /* ">" */62);
      if (ind >= end_ind) {
        throw Caml_builtin_exceptions.not_found;
      }
      var sub_str = $$String.sub(str, str_ind, (ind - str_ind | 0) + 1 | 0);
      var beg_ind = ind + 1 | 0;
      var match$1 = parse_literal(beg_ind, beg_ind, end_ind);
      var match$2 = parse_literal(str_ind, str_ind, ind + 1 | 0);
      var sub_fmt = match$2[0];
      var sub_format = /* Format */[
        sub_fmt,
        sub_str
      ];
      var formatting = is_open_tag ? /* Open_tag */Block.__(0, [sub_format]) : (check_open_box(sub_fmt), /* Open_box */Block.__(1, [sub_format]));
      return /* Fmt_EBB */[/* Formatting_gen */Block.__(18, [
                  formatting,
                  match$1[0]
                ])];
    }
    catch (exn){
      if (exn === Caml_builtin_exceptions.not_found) {
        var match$3 = parse_literal(str_ind, str_ind, end_ind);
        var sub_format$1 = /* Format */[
          /* End_of_format */0,
          ""
        ];
        var formatting$1 = is_open_tag ? /* Open_tag */Block.__(0, [sub_format$1]) : /* Open_box */Block.__(1, [sub_format$1]);
        return /* Fmt_EBB */[/* Formatting_gen */Block.__(18, [
                    formatting$1,
                    match$3[0]
                  ])];
      } else {
        throw exn;
      }
    }
  };
  return parse_literal(0, 0, str.length);
}

function format_of_string_fmtty(str, fmtty) {
  var match = fmt_ebb_of_string(undefined, str);
  try {
    return /* Format */[
            type_format(match[0], fmtty),
            str
          ];
  }
  catch (exn){
    if (exn === Type_mismatch) {
      return Curry._2(failwith_message(/* Format */[
                      /* String_literal */Block.__(11, [
                          "bad input: format type mismatch between ",
                          /* Caml_string */Block.__(3, [
                              /* No_padding */0,
                              /* String_literal */Block.__(11, [
                                  " and ",
                                  /* Caml_string */Block.__(3, [
                                      /* No_padding */0,
                                      /* End_of_format */0
                                    ])
                                ])
                            ])
                        ]),
                      "bad input: format type mismatch between %S and %S"
                    ]), str, string_of_fmtty(fmtty));
    } else {
      throw exn;
    }
  }
}

function format_of_string_format(str, param) {
  var match = fmt_ebb_of_string(undefined, str);
  try {
    return /* Format */[
            type_format(match[0], fmtty_of_fmt(param[0])),
            str
          ];
  }
  catch (exn){
    if (exn === Type_mismatch) {
      return Curry._2(failwith_message(/* Format */[
                      /* String_literal */Block.__(11, [
                          "bad input: format type mismatch between ",
                          /* Caml_string */Block.__(3, [
                              /* No_padding */0,
                              /* String_literal */Block.__(11, [
                                  " and ",
                                  /* Caml_string */Block.__(3, [
                                      /* No_padding */0,
                                      /* End_of_format */0
                                    ])
                                ])
                            ])
                        ]),
                      "bad input: format type mismatch between %S and %S"
                    ]), str, param[1]);
    } else {
      throw exn;
    }
  }
}

exports.is_in_char_set = is_in_char_set;
exports.rev_char_set = rev_char_set;
exports.create_char_set = create_char_set;
exports.add_in_char_set = add_in_char_set;
exports.freeze_char_set = freeze_char_set;
exports.param_format_of_ignored_format = param_format_of_ignored_format;
exports.make_printf = make_printf;
exports.make_iprintf = make_iprintf;
exports.output_acc = output_acc;
exports.bufput_acc = bufput_acc;
exports.strput_acc = strput_acc;
exports.type_format = type_format;
exports.fmt_ebb_of_string = fmt_ebb_of_string;
exports.format_of_string_fmtty = format_of_string_fmtty;
exports.format_of_string_format = format_of_string_format;
exports.char_of_iconv = char_of_iconv;
exports.string_of_formatting_lit = string_of_formatting_lit;
exports.string_of_formatting_gen = string_of_formatting_gen;
exports.string_of_fmtty = string_of_fmtty;
exports.string_of_fmt = string_of_fmt;
exports.open_box_of_string = open_box_of_string;
exports.symm = symm;
exports.trans = trans;
exports.recast = recast;
/* No side effect */