caml_obj.js

'use strict';

var Block = require("./block.js");
var Caml_primitive = require("./caml_primitive.js");
var Caml_builtin_exceptions = require("./caml_builtin_exceptions.js");

var for_in = (function(o,foo){
        for (var x in o) { foo(x) }});

function caml_obj_block(tag, size) {
  var v = new Array(size);
  v.tag = tag;
  return v;
}

function caml_obj_dup(x) {
  if (!Array.isArray(x)) {
    return Object.assign(({}), x);
  }
  var len = x.length | 0;
  var v = new Array(len);
  for(var i = 0 ,i_finish = len - 1 | 0; i <= i_finish; ++i){
    v[i] = x[i];
  }
  v.tag = x.tag | 0;
  return v;
}

function caml_obj_truncate(x, new_size) {
  var len = x.length | 0;
  if (new_size <= 0 || new_size > len) {
    throw [
          Caml_builtin_exceptions.invalid_argument,
          "Obj.truncate"
        ];
  }
  if (len === new_size) {
    return ;
  }
  for(var i = new_size ,i_finish = len - 1 | 0; i <= i_finish; ++i){
    x[i] = 0;
  }
  x.length = new_size;
  
}

function caml_lazy_make_forward(x) {
  return Block.__(250, [x]);
}

function caml_lazy_make(fn) {
  var block = [fn];
  block.tag = 246;
  return block;
}

var caml_update_dummy = (function(x,y){
  for (var k in y){
    x[k] = y[k]
  }
  return 0;
  });

function caml_compare(_a, _b) {
  while(true) {
    var b = _b;
    var a = _a;
    if (a === b) {
      return 0;
    }
    var a_type = typeof a;
    var b_type = typeof b;
    switch (a_type) {
      case "boolean" :
          if (b_type === "boolean") {
            return Caml_primitive.caml_bool_compare(a, b);
          }
          break;
      case "function" :
          if (b_type === "function") {
            throw [
                  Caml_builtin_exceptions.invalid_argument,
                  "compare: functional value"
                ];
          }
          break;
      case "number" :
          if (b_type === "number") {
            return Caml_primitive.caml_int_compare(a, b);
          }
          break;
      case "string" :
          if (b_type === "string") {
            return Caml_primitive.caml_string_compare(a, b);
          } else {
            return 1;
          }
      case "undefined" :
          return -1;
      default:
        
    }
    switch (b_type) {
      case "string" :
          return -1;
      case "undefined" :
          return 1;
      default:
        if (a_type === "boolean") {
          return 1;
        }
        if (b_type === "boolean") {
          return -1;
        }
        if (a_type === "function") {
          return 1;
        }
        if (b_type === "function") {
          return -1;
        }
        if (a_type === "number") {
          if (b === null || b.tag === 256) {
            return 1;
          } else {
            return -1;
          }
        }
        if (b_type === "number") {
          if (a === null || a.tag === 256) {
            return -1;
          } else {
            return 1;
          }
        }
        if (a === null) {
          if (b.tag === 256) {
            return 1;
          } else {
            return -1;
          }
        }
        if (b === null) {
          if (a.tag === 256) {
            return -1;
          } else {
            return 1;
          }
        }
        var tag_a = a.tag | 0;
        var tag_b = b.tag | 0;
        if (tag_a === 250) {
          _a = a[0];
          continue ;
        } else if (tag_b === 250) {
          _b = b[0];
          continue ;
        } else {
          if (tag_a === 256) {
            if (tag_b === 256) {
              return Caml_primitive.caml_int_compare(a[1], b[1]);
            } else {
              return -1;
            }
          }
          if (tag_a === 248) {
            return Caml_primitive.caml_int_compare(a[1], b[1]);
          }
          if (tag_a === 251) {
            throw [
                  Caml_builtin_exceptions.invalid_argument,
                  "equal: abstract value"
                ];
          }
          if (tag_a !== tag_b) {
            if (tag_a < tag_b) {
              return -1;
            } else {
              return 1;
            }
          }
          var len_a = a.length | 0;
          var len_b = b.length | 0;
          if (len_a === len_b) {
            if (Array.isArray(a)) {
              var a$1 = a;
              var b$1 = b;
              var _i = 0;
              var same_length = len_a;
              while(true) {
                var i = _i;
                if (i === same_length) {
                  return 0;
                }
                var res = caml_compare(a$1[i], b$1[i]);
                if (res !== 0) {
                  return res;
                }
                _i = i + 1 | 0;
                continue ;
              };
            } else if ((a instanceof Date && b instanceof Date)) {
              return (a - b);
            } else {
              var min_key_lhs = {
                contents: undefined
              };
              var min_key_rhs = {
                contents: undefined
              };
              var do_key = function (param, key) {
                var min_key = param[2];
                var b = param[1];
                if (!(!b.hasOwnProperty(key) || caml_compare(param[0][key], b[key]) > 0)) {
                  return ;
                }
                var match = min_key.contents;
                if (match !== undefined && key >= match) {
                  return ;
                } else {
                  min_key.contents = key;
                  return ;
                }
              };
              var partial_arg = /* tuple */[
                a,
                b,
                min_key_rhs
              ];
              var do_key_a = (function(partial_arg){
              return function do_key_a(param) {
                return do_key(partial_arg, param);
              }
              }(partial_arg));
              var partial_arg$1 = /* tuple */[
                b,
                a,
                min_key_lhs
              ];
              var do_key_b = (function(partial_arg$1){
              return function do_key_b(param) {
                return do_key(partial_arg$1, param);
              }
              }(partial_arg$1));
              for_in(a, do_key_a);
              for_in(b, do_key_b);
              var match = min_key_lhs.contents;
              var match$1 = min_key_rhs.contents;
              if (match !== undefined) {
                if (match$1 !== undefined) {
                  return Caml_primitive.caml_string_compare(match, match$1);
                } else {
                  return -1;
                }
              } else if (match$1 !== undefined) {
                return 1;
              } else {
                return 0;
              }
            }
          } else if (len_a < len_b) {
            var a$2 = a;
            var b$2 = b;
            var _i$1 = 0;
            var short_length = len_a;
            while(true) {
              var i$1 = _i$1;
              if (i$1 === short_length) {
                return -1;
              }
              var res$1 = caml_compare(a$2[i$1], b$2[i$1]);
              if (res$1 !== 0) {
                return res$1;
              }
              _i$1 = i$1 + 1 | 0;
              continue ;
            };
          } else {
            var a$3 = a;
            var b$3 = b;
            var _i$2 = 0;
            var short_length$1 = len_b;
            while(true) {
              var i$2 = _i$2;
              if (i$2 === short_length$1) {
                return 1;
              }
              var res$2 = caml_compare(a$3[i$2], b$3[i$2]);
              if (res$2 !== 0) {
                return res$2;
              }
              _i$2 = i$2 + 1 | 0;
              continue ;
            };
          }
        }
    }
  };
}

function caml_equal(_a, _b) {
  while(true) {
    var b = _b;
    var a = _a;
    if (a === b) {
      return true;
    }
    var a_type = typeof a;
    if (a_type === "string" || a_type === "number" || a_type === "boolean" || a_type === "undefined" || a === null) {
      return false;
    }
    var b_type = typeof b;
    if (a_type === "function" || b_type === "function") {
      throw [
            Caml_builtin_exceptions.invalid_argument,
            "equal: functional value"
          ];
    }
    if (b_type === "number" || b_type === "undefined" || b === null) {
      return false;
    }
    var tag_a = a.tag | 0;
    var tag_b = b.tag | 0;
    if (tag_a === 250) {
      _a = a[0];
      continue ;
    } else if (tag_b === 250) {
      _b = b[0];
      continue ;
    } else {
      if (tag_a === 248) {
        return a[1] === b[1];
      }
      if (tag_a === 251) {
        throw [
              Caml_builtin_exceptions.invalid_argument,
              "equal: abstract value"
            ];
      }
      if (tag_a !== tag_b) {
        return false;
      }
      if (tag_a === 256) {
        return a[1] === b[1];
      }
      var len_a = a.length | 0;
      var len_b = b.length | 0;
      if (len_a === len_b) {
        if (Array.isArray(a)) {
          var a$1 = a;
          var b$1 = b;
          var _i = 0;
          var same_length = len_a;
          while(true) {
            var i = _i;
            if (i === same_length) {
              return true;
            }
            if (!caml_equal(a$1[i], b$1[i])) {
              return false;
            }
            _i = i + 1 | 0;
            continue ;
          };
        } else if ((a instanceof Date && b instanceof Date)) {
          return !(a > b || a < b);
        } else {
          var result = {
            contents: true
          };
          var do_key_a = (function(b,result){
          return function do_key_a(key) {
            if (!b.hasOwnProperty(key)) {
              result.contents = false;
              return ;
            }
            
          }
          }(b,result));
          var do_key_b = (function(a,b,result){
          return function do_key_b(key) {
            if (!a.hasOwnProperty(key) || !caml_equal(b[key], a[key])) {
              result.contents = false;
              return ;
            }
            
          }
          }(a,b,result));
          for_in(a, do_key_a);
          if (result.contents) {
            for_in(b, do_key_b);
          }
          return result.contents;
        }
      } else {
        return false;
      }
    }
  };
}

function caml_equal_null(x, y) {
  if (y !== null) {
    return caml_equal(x, y);
  } else {
    return x === y;
  }
}

function caml_equal_undefined(x, y) {
  if (y !== undefined) {
    return caml_equal(x, y);
  } else {
    return x === y;
  }
}

function caml_equal_nullable(x, y) {
  if (y == null) {
    return x === y;
  } else {
    return caml_equal(x, y);
  }
}

function caml_notequal(a, b) {
  return !caml_equal(a, b);
}

function caml_greaterequal(a, b) {
  return caml_compare(a, b) >= 0;
}

function caml_greaterthan(a, b) {
  return caml_compare(a, b) > 0;
}

function caml_lessequal(a, b) {
  return caml_compare(a, b) <= 0;
}

function caml_lessthan(a, b) {
  return caml_compare(a, b) < 0;
}

function caml_min(x, y) {
  if (caml_compare(x, y) <= 0) {
    return x;
  } else {
    return y;
  }
}

function caml_max(x, y) {
  if (caml_compare(x, y) >= 0) {
    return x;
  } else {
    return y;
  }
}

function caml_obj_set_tag(prim, prim$1) {
  prim.tag = prim$1;
  
}

exports.caml_obj_block = caml_obj_block;
exports.caml_obj_dup = caml_obj_dup;
exports.caml_obj_truncate = caml_obj_truncate;
exports.caml_lazy_make_forward = caml_lazy_make_forward;
exports.caml_lazy_make = caml_lazy_make;
exports.caml_update_dummy = caml_update_dummy;
exports.caml_compare = caml_compare;
exports.caml_equal = caml_equal;
exports.caml_equal_null = caml_equal_null;
exports.caml_equal_undefined = caml_equal_undefined;
exports.caml_equal_nullable = caml_equal_nullable;
exports.caml_notequal = caml_notequal;
exports.caml_greaterequal = caml_greaterequal;
exports.caml_greaterthan = caml_greaterthan;
exports.caml_lessthan = caml_lessthan;
exports.caml_lessequal = caml_lessequal;
exports.caml_min = caml_min;
exports.caml_max = caml_max;
exports.caml_obj_set_tag = caml_obj_set_tag;
/* No side effect */