Module: Kernel

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# File 'opal/opal/corelib/kernel.rb', line 9
def !~(obj)
 !(self =~ obj)
end

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# File 'opal/opal/corelib/kernel.rb', line 17
def <=>(other)
 %x{
 // set guard for infinite recursion
 self.$$comparable = true;
 var x = #{self == other};
 if (x && x !== nil) {
 return 0;
 }
 return nil;
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 13
def ===(other)
 object_id == other.object_id || self == other
end

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# File 'opal/opal/corelib/kernel.rb', line 5
def =~(obj)
 false
end

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# File 'opal/opal/corelib/kernel.rb', line 64
def Array(object)
 %x{
 var coerced;
 if (object === nil) {
 return [];
 }
 if (object.$$is_array) {
 return object;
 }
 coerced = #{::Opal .coerce_to? (object, ::Array , :to_ary)};
 if (coerced !== nil) { return coerced; }
 coerced = #{::Opal .coerce_to? (object, ::Array , :to_a)};
 if (coerced !== nil) { return coerced; }
 return [object];
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 86
def at_exit(&block)
 $__at_exit__ ||= []
 $__at_exit__ << block
 block
end

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# File 'opal/opal/corelib/binding.rb', line 48
def binding
 ::Kernel .raise  "Opal doesn't support dynamic calls to binding"
end

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# File 'opal/opal/corelib/kernel.rb', line 92
def caller(start = 1, length = nil)
 %x{
 var stack, result;
 stack = new Error().$backtrace();
 result = [];
 for (var i = #{start} + 1, ii = stack.length; i < ii; i++) {
 if (!stack[i].match(/runtime\.js/)) {
 result.push(stack[i]);
 }
 }
 if (length != nil) result = result.slice(0, length);
 return result;
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 109
def caller_locations(*args)
 caller(*args).map do |loc|
 ::Thread::Backtrace::Location.new(loc)
 end
end

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# File 'opal/opal/corelib/kernel.rb', line 772
def catch(tag = nil)
 tag ||= ::Object .new 
 yield(tag)
rescue ::UncaughtThrowError  => e
 return e.value if e.tag == tag
 ::Kernel .raise 
end

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# File 'opal/opal/corelib/kernel.rb', line 115
def class
 `self.$$class`
end

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# File 'opal/opal/corelib/kernel.rb', line 163
def clone(freeze: nil)
 unless freeze.nil? || freeze == true || freeze == false
 raise ArgumentError , "unexpected value for freeze: #{freeze.class}"
 end
 copy = self.class.allocate
 copy.copy_instance_variables(self)
 copy.copy_singleton_methods(self)
 copy.initialize_clone(self, freeze: freeze)
 if freeze == true || (freeze.nil? && frozen?)
 copy.freeze
 end
 copy
end

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# File 'opal/opal/corelib/complex/base.rb', line 2
def Complex(real, imag = nil)
 if imag
 Complex.new(real, imag)
 else
 Complex.new(real, 0)
 end
end

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# File 'opal/opal/corelib/kernel.rb', line 119
def copy_instance_variables(other)
 %x{
 var keys = Object.keys(other), i, ii, name;
 for (i = 0, ii = keys.length; i < ii; i++) {
 name = keys[i];
 if (name.charAt(0) !== '$' && other.hasOwnProperty(name)) {
 self[name] = other[name];
 }
 }
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 131
def copy_singleton_methods(other)
 %x{
 var i, name, names, length;
 if (other.hasOwnProperty('$$meta') && other.$$meta !== null) {
 var other_singleton_class = Opal.get_singleton_class(other);
 var self_singleton_class = Opal.get_singleton_class(self);
 names = Object.getOwnPropertyNames(other_singleton_class.$$prototype);
 for (i = 0, length = names.length; i < length; i++) {
 name = names[i];
 if (Opal.is_method(name)) {
 self_singleton_class.$$prototype[name] = other_singleton_class.$$prototype[name];
 }
 }
 self_singleton_class.$$const = Object.assign({}, other_singleton_class.$$const);
 Object.setPrototypeOf(
 self_singleton_class.$$prototype,
 Object.getPrototypeOf(other_singleton_class.$$prototype)
 );
 }
 for (i = 0, names = Object.getOwnPropertyNames(other), length = names.length; i < length; i++) {
 name = names[i];
 if (name.charAt(0) === '$' && name.charAt(1) !== '$' && other.hasOwnProperty(name)) {
 self[name] = other[name];
 }
 }
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 186
def define_singleton_method(name, method = undefined, &block)
 singleton_class.define_method(name, method, &block)
end

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# File 'opal/opal/corelib/kernel.rb', line 190
def dup
 copy = self.class.allocate
 copy.copy_instance_variables(self)
 copy.initialize_dup(self)
 copy
end

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# File 'opal/opal/corelib/kernel.rb', line 203
def enum_for(method = :each, *args, &block)
 ::Enumerator .for (self, method, *args, &block)
end

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# File 'opal/opal/corelib/kernel.rb', line 207
def equal?(other)
 `self === other`
end

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# File 'opal/opal/corelib/unsupported.rb', line 103
def eval(*)
 ::Kernel .raise  ::NotImplementedError , "To use Kernel#eval, you must first require 'opal-parser'. "\
 "See https://github.com/opal/opal/blob/#{RUBY_ENGINE_VERSION}/docs/opal_parser.md for details."
end

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# File 'opal/opal/corelib/kernel.rb', line 211
def exit(status = true)
 $__at_exit__ ||= []
 until $__at_exit__.empty?
 block = $__at_exit__.pop
 block.call
 end
 %x{
 if (status.$$is_boolean) {
 status = status ? 0 : 1;
 } else {
 status = $coerce_to(status, #{::Integer }, 'to_int')
 }
 Opal.exit(status);
 }
 nil
end

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# File 'opal/opal/corelib/kernel.rb', line 231
def extend(*mods)
 %x{
 if (mods.length == 0) {
 #{raise ::ArgumentError , 'wrong number of arguments (given 0, expected 1+)'}
 }
 $deny_frozen_access(self);
 var singleton = #{singleton_class};
 for (var i = mods.length - 1; i >= 0; i--) {
 var mod = mods[i];
 if (!mod.$$is_module) {
 #{::Kernel .raise  ::TypeError , "wrong argument type #{`mod`.class} (expected Module)"};
 }
 #{`mod`.append_features `singleton`};
 #{`mod`.extend_object self};
 #{`mod`.extended self};
 }
 }
 self
end

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# File 'opal/opal/corelib/kernel.rb', line 480
def Float(value)
 %x{
 var str;
 if (value === nil) {
 #{::Kernel .raise  ::TypeError , "can't convert nil into Float"}
 }
 if (value.$$is_string) {
 str = value.toString();
 str = str.replace(/(\d)_(?=\d)/g, '1ドル');
 //Special case for hex strings only:
 if (/^\s*[-+]?0[xX][0-9a-fA-F]+\s*$/.test(str)) {
 return #{::Kernel .Integer (`str`)};
 }
 if (!/^\s*[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?\s*$/.test(str)) {
 #{::Kernel .raise  ::ArgumentError , "invalid value for Float(): \"#{value}\""}
 }
 return parseFloat(str);
 }
 return #{::Opal .coerce_to! (value, ::Float , :to_f)};
 }
end

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# File 'opal/opal/corelib/kernel/format.rb', line 4
def format(format_string, *args)
 if args.length == 1 && args[0].respond_to?(:to_ary)
 ary = ::Opal .coerce_to? (args[0], ::Array , :to_ary)
 args = ary.to_a unless ary.nil?
 end
 %x{
 var result = '',
 //used for slicing:
 begin_slice = 0,
 end_slice,
 //used for iterating over the format string:
 i,
 len = format_string.length,
 //used for processing field values:
 arg,
 str,
 //used for processing %g and %G fields:
 exponent,
 //used for keeping track of width and precision:
 width,
 precision,
 //used for holding temporary values:
 tmp_num,
 //used for processing %{} and %<> fileds:
 hash_parameter_key,
 closing_brace_char,
 //used for processing %b, %B, %o, %x, and %X fields:
 base_number,
 base_prefix,
 base_neg_zero_regex,
 base_neg_zero_digit,
 //used for processing arguments:
 next_arg,
 seq_arg_num = 1,
 pos_arg_num = 0,
 //used for keeping track of flags:
 flags,
 FNONE = 0,
 FSHARP = 1,
 FMINUS = 2,
 FPLUS = 4,
 FZERO = 8,
 FSPACE = 16,
 FWIDTH = 32,
 FPREC = 64,
 FPREC0 = 128;
 function CHECK_FOR_FLAGS() {
 if (flags&FWIDTH) { #{::Kernel .raise  ::ArgumentError , 'flag after width'} }
 if (flags&FPREC0) { #{::Kernel .raise  ::ArgumentError , 'flag after precision'} }
 }
 function CHECK_FOR_WIDTH() {
 if (flags&FWIDTH) { #{::Kernel .raise  ::ArgumentError , 'width given twice'} }
 if (flags&FPREC0) { #{::Kernel .raise  ::ArgumentError , 'width after precision'} }
 }
 function GET_NTH_ARG(num) {
 if (num >= args.length) { #{::Kernel .raise  ::ArgumentError , 'too few arguments'} }
 return args[num];
 }
 function GET_NEXT_ARG() {
 switch (pos_arg_num) {
 case -1: #{::Kernel .raise  ::ArgumentError , "unnumbered(#{`seq_arg_num`}) mixed with numbered"} // raise
 case -2: #{::Kernel .raise  ::ArgumentError , "unnumbered(#{`seq_arg_num`}) mixed with named"} // raise
 }
 pos_arg_num = seq_arg_num++;
 return GET_NTH_ARG(pos_arg_num - 1);
 }
 function GET_POS_ARG(num) {
 if (pos_arg_num > 0) {
 #{::Kernel .raise  ::ArgumentError , "numbered(#{`num`}) after unnumbered(#{`pos_arg_num`})"}
 }
 if (pos_arg_num === -2) {
 #{::Kernel .raise  ::ArgumentError , "numbered(#{`num`}) after named"}
 }
 if (num < 1) {
 #{::Kernel .raise  ::ArgumentError , "invalid index - #{`num`}$"}
 }
 pos_arg_num = -1;
 return GET_NTH_ARG(num - 1);
 }
 function GET_ARG() {
 return (next_arg === undefined ? GET_NEXT_ARG() : next_arg);
 }
 function READ_NUM(label) {
 var num, str = '';
 for (;; i++) {
 if (i === len) {
 #{::Kernel .raise  ::ArgumentError , 'malformed format string - %*[0-9]'}
 }
 if (format_string.charCodeAt(i) < 48 || format_string.charCodeAt(i) > 57) {
 i--;
 num = parseInt(str, 10) || 0;
 if (num > 2147483647) {
 #{::Kernel .raise  ::ArgumentError , "#{`label`} too big"}
 }
 return num;
 }
 str += format_string.charAt(i);
 }
 }
 function READ_NUM_AFTER_ASTER(label) {
 var arg, num = READ_NUM(label);
 if (format_string.charAt(i + 1) === '$') {
 i++;
 arg = GET_POS_ARG(num);
 } else {
 arg = GET_NEXT_ARG();
 }
 return #{`arg`.to_int};
 }
 for (i = format_string.indexOf('%'); i !== -1; i = format_string.indexOf('%', i)) {
 str = undefined;
 flags = FNONE;
 width = -1;
 precision = -1;
 next_arg = undefined;
 end_slice = i;
 i++;
 switch (format_string.charAt(i)) {
 case '%':
 begin_slice = i;
 // no-break
 case '':
 case '\n':
 case '0円':
 i++;
 continue;
 }
 format_sequence: for (; i < len; i++) {
 switch (format_string.charAt(i)) {
 case ' ':
 CHECK_FOR_FLAGS();
 flags |= FSPACE;
 continue format_sequence;
 case '#':
 CHECK_FOR_FLAGS();
 flags |= FSHARP;
 continue format_sequence;
 case '+':
 CHECK_FOR_FLAGS();
 flags |= FPLUS;
 continue format_sequence;
 case '-':
 CHECK_FOR_FLAGS();
 flags |= FMINUS;
 continue format_sequence;
 case '0':
 CHECK_FOR_FLAGS();
 flags |= FZERO;
 continue format_sequence;
 case '1':
 case '2':
 case '3':
 case '4':
 case '5':
 case '6':
 case '7':
 case '8':
 case '9':
 tmp_num = READ_NUM('width');
 if (format_string.charAt(i + 1) === '$') {
 if (i + 2 === len) {
 str = '%';
 i++;
 break format_sequence;
 }
 if (next_arg !== undefined) {
 #{::Kernel .raise  ::ArgumentError , "value given twice - %#{`tmp_num`}$"}
 }
 next_arg = GET_POS_ARG(tmp_num);
 i++;
 } else {
 CHECK_FOR_WIDTH();
 flags |= FWIDTH;
 width = tmp_num;
 }
 continue format_sequence;
 case '<':
 case '\{':
 closing_brace_char = (format_string.charAt(i) === '<' ? '>' : '\}');
 hash_parameter_key = '';
 i++;
 for (;; i++) {
 if (i === len) {
 #{::Kernel .raise  ::ArgumentError , 'malformed name - unmatched parenthesis'}
 }
 if (format_string.charAt(i) === closing_brace_char) {
 if (pos_arg_num > 0) {
 #{::Kernel .raise  ::ArgumentError , "named #{`hash_parameter_key`} after unnumbered(#{`pos_arg_num`})"}
 }
 if (pos_arg_num === -1) {
 #{::Kernel .raise  ::ArgumentError , "named #{`hash_parameter_key`} after numbered"}
 }
 pos_arg_num = -2;
 if (args[0] === undefined || !args[0].$$is_hash) {
 #{::Kernel .raise  ::ArgumentError , 'one hash required'}
 }
 next_arg = #{`args[0]`.fetch(`hash_parameter_key`)};
 if (closing_brace_char === '>') {
 continue format_sequence;
 } else {
 str = next_arg.toString();
 if (precision !== -1) { str = str.slice(0, precision); }
 if (flags&FMINUS) {
 while (str.length < width) { str = str + ' '; }
 } else {
 while (str.length < width) { str = ' ' + str; }
 }
 break format_sequence;
 }
 }
 hash_parameter_key += format_string.charAt(i);
 }
 // raise
 case '*':
 i++;
 CHECK_FOR_WIDTH();
 flags |= FWIDTH;
 width = READ_NUM_AFTER_ASTER('width');
 if (width < 0) {
 flags |= FMINUS;
 width = -width;
 }
 continue format_sequence;
 case '.':
 if (flags&FPREC0) {
 #{::Kernel .raise  ::ArgumentError , 'precision given twice'}
 }
 flags |= FPREC|FPREC0;
 precision = 0;
 i++;
 if (format_string.charAt(i) === '*') {
 i++;
 precision = READ_NUM_AFTER_ASTER('precision');
 if (precision < 0) {
 flags &= ~FPREC;
 }
 continue format_sequence;
 }
 precision = READ_NUM('precision');
 continue format_sequence;
 case 'd':
 case 'i':
 case 'u':
 arg = #{::Kernel .Integer (`GET_ARG()`)};
 if (arg >= 0) {
 str = arg.toString();
 while (str.length < precision) { str = '0' + str; }
 if (flags&FMINUS) {
 if (flags&FPLUS || flags&FSPACE) { str = (flags&FPLUS ? '+' : ' ') + str; }
 while (str.length < width) { str = str + ' '; }
 } else {
 if (flags&FZERO && precision === -1) {
 while (str.length < width - ((flags&FPLUS || flags&FSPACE) ? 1 : 0)) { str = '0' + str; }
 if (flags&FPLUS || flags&FSPACE) { str = (flags&FPLUS ? '+' : ' ') + str; }
 } else {
 if (flags&FPLUS || flags&FSPACE) { str = (flags&FPLUS ? '+' : ' ') + str; }
 while (str.length < width) { str = ' ' + str; }
 }
 }
 } else {
 str = (-arg).toString();
 while (str.length < precision) { str = '0' + str; }
 if (flags&FMINUS) {
 str = '-' + str;
 while (str.length < width) { str = str + ' '; }
 } else {
 if (flags&FZERO && precision === -1) {
 while (str.length < width - 1) { str = '0' + str; }
 str = '-' + str;
 } else {
 str = '-' + str;
 while (str.length < width) { str = ' ' + str; }
 }
 }
 }
 break format_sequence;
 case 'b':
 case 'B':
 case 'o':
 case 'x':
 case 'X':
 switch (format_string.charAt(i)) {
 case 'b':
 case 'B':
 base_number = 2;
 base_prefix = '0b';
 base_neg_zero_regex = /^1+/;
 base_neg_zero_digit = '1';
 break;
 case 'o':
 base_number = 8;
 base_prefix = '0';
 base_neg_zero_regex = /^3?7+/;
 base_neg_zero_digit = '7';
 break;
 case 'x':
 case 'X':
 base_number = 16;
 base_prefix = '0x';
 base_neg_zero_regex = /^f+/;
 base_neg_zero_digit = 'f';
 break;
 }
 arg = #{::Kernel .Integer (`GET_ARG()`)};
 if (arg >= 0) {
 str = arg.toString(base_number);
 while (str.length < precision) { str = '0' + str; }
 if (flags&FMINUS) {
 if (flags&FPLUS || flags&FSPACE) { str = (flags&FPLUS ? '+' : ' ') + str; }
 if (flags&FSHARP && arg !== 0) { str = base_prefix + str; }
 while (str.length < width) { str = str + ' '; }
 } else {
 if (flags&FZERO && precision === -1) {
 while (str.length < width - ((flags&FPLUS || flags&FSPACE) ? 1 : 0) - ((flags&FSHARP && arg !== 0) ? base_prefix.length : 0)) { str = '0' + str; }
 if (flags&FSHARP && arg !== 0) { str = base_prefix + str; }
 if (flags&FPLUS || flags&FSPACE) { str = (flags&FPLUS ? '+' : ' ') + str; }
 } else {
 if (flags&FSHARP && arg !== 0) { str = base_prefix + str; }
 if (flags&FPLUS || flags&FSPACE) { str = (flags&FPLUS ? '+' : ' ') + str; }
 while (str.length < width) { str = ' ' + str; }
 }
 }
 } else {
 if (flags&FPLUS || flags&FSPACE) {
 str = (-arg).toString(base_number);
 while (str.length < precision) { str = '0' + str; }
 if (flags&FMINUS) {
 if (flags&FSHARP) { str = base_prefix + str; }
 str = '-' + str;
 while (str.length < width) { str = str + ' '; }
 } else {
 if (flags&FZERO && precision === -1) {
 while (str.length < width - 1 - (flags&FSHARP ? 2 : 0)) { str = '0' + str; }
 if (flags&FSHARP) { str = base_prefix + str; }
 str = '-' + str;
 } else {
 if (flags&FSHARP) { str = base_prefix + str; }
 str = '-' + str;
 while (str.length < width) { str = ' ' + str; }
 }
 }
 } else {
 str = (arg >>> 0).toString(base_number).replace(base_neg_zero_regex, base_neg_zero_digit);
 while (str.length < precision - 2) { str = base_neg_zero_digit + str; }
 if (flags&FMINUS) {
 str = '..' + str;
 if (flags&FSHARP) { str = base_prefix + str; }
 while (str.length < width) { str = str + ' '; }
 } else {
 if (flags&FZERO && precision === -1) {
 while (str.length < width - 2 - (flags&FSHARP ? base_prefix.length : 0)) { str = base_neg_zero_digit + str; }
 str = '..' + str;
 if (flags&FSHARP) { str = base_prefix + str; }
 } else {
 str = '..' + str;
 if (flags&FSHARP) { str = base_prefix + str; }
 while (str.length < width) { str = ' ' + str; }
 }
 }
 }
 }
 if (format_string.charAt(i) === format_string.charAt(i).toUpperCase()) {
 str = str.toUpperCase();
 }
 break format_sequence;
 case 'f':
 case 'e':
 case 'E':
 case 'g':
 case 'G':
 arg = #{::Kernel .Float (`GET_ARG()`)};
 if (arg >= 0 || isNaN(arg)) {
 if (arg === Infinity) {
 str = 'Inf';
 } else {
 switch (format_string.charAt(i)) {
 case 'f':
 str = arg.toFixed(precision === -1 ? 6 : precision);
 break;
 case 'e':
 case 'E':
 str = arg.toExponential(precision === -1 ? 6 : precision);
 break;
 case 'g':
 case 'G':
 str = arg.toExponential();
 exponent = parseInt(str.split('e')[1], 10);
 if (!(exponent < -4 || exponent >= (precision === -1 ? 6 : precision))) {
 str = arg.toPrecision(precision === -1 ? (flags&FSHARP ? 6 : undefined) : precision);
 }
 break;
 }
 }
 if (flags&FMINUS) {
 if (flags&FPLUS || flags&FSPACE) { str = (flags&FPLUS ? '+' : ' ') + str; }
 while (str.length < width) { str = str + ' '; }
 } else {
 if (flags&FZERO && arg !== Infinity && !isNaN(arg)) {
 while (str.length < width - ((flags&FPLUS || flags&FSPACE) ? 1 : 0)) { str = '0' + str; }
 if (flags&FPLUS || flags&FSPACE) { str = (flags&FPLUS ? '+' : ' ') + str; }
 } else {
 if (flags&FPLUS || flags&FSPACE) { str = (flags&FPLUS ? '+' : ' ') + str; }
 while (str.length < width) { str = ' ' + str; }
 }
 }
 } else {
 if (arg === -Infinity) {
 str = 'Inf';
 } else {
 switch (format_string.charAt(i)) {
 case 'f':
 str = (-arg).toFixed(precision === -1 ? 6 : precision);
 break;
 case 'e':
 case 'E':
 str = (-arg).toExponential(precision === -1 ? 6 : precision);
 break;
 case 'g':
 case 'G':
 str = (-arg).toExponential();
 exponent = parseInt(str.split('e')[1], 10);
 if (!(exponent < -4 || exponent >= (precision === -1 ? 6 : precision))) {
 str = (-arg).toPrecision(precision === -1 ? (flags&FSHARP ? 6 : undefined) : precision);
 }
 break;
 }
 }
 if (flags&FMINUS) {
 str = '-' + str;
 while (str.length < width) { str = str + ' '; }
 } else {
 if (flags&FZERO && arg !== -Infinity) {
 while (str.length < width - 1) { str = '0' + str; }
 str = '-' + str;
 } else {
 str = '-' + str;
 while (str.length < width) { str = ' ' + str; }
 }
 }
 }
 if (format_string.charAt(i) === format_string.charAt(i).toUpperCase() && arg !== Infinity && arg !== -Infinity && !isNaN(arg)) {
 str = str.toUpperCase();
 }
 str = str.replace(/([eE][-+]?)([0-9])$/, '10ドル2ドル');
 break format_sequence;
 case 'a':
 case 'A':
 // Not implemented because there are no specs for this field type.
 #{::Kernel .raise  ::NotImplementedError , '`A` and `a` format field types are not implemented in Opal yet'}
 // raise
 case 'c':
 arg = GET_ARG();
 if (#{`arg`.respond_to?(:to_ary)}) { arg = #{`arg`.to_ary}[0]; }
 if (#{`arg`.respond_to?(:to_str)}) {
 str = #{`arg`.to_str};
 } else {
 str = String.fromCharCode($coerce_to(arg, #{::Integer }, 'to_int'));
 }
 if (str.length !== 1) {
 #{::Kernel .raise  ::ArgumentError , '%c requires a character'}
 }
 if (flags&FMINUS) {
 while (str.length < width) { str = str + ' '; }
 } else {
 while (str.length < width) { str = ' ' + str; }
 }
 break format_sequence;
 case 'p':
 str = #{`GET_ARG()`.inspect};
 if (precision !== -1) { str = str.slice(0, precision); }
 if (flags&FMINUS) {
 while (str.length < width) { str = str + ' '; }
 } else {
 while (str.length < width) { str = ' ' + str; }
 }
 break format_sequence;
 case 's':
 str = #{`GET_ARG()`.to_s };
 if (precision !== -1) { str = str.slice(0, precision); }
 if (flags&FMINUS) {
 while (str.length < width) { str = str + ' '; }
 } else {
 while (str.length < width) { str = ' ' + str; }
 }
 break format_sequence;
 default:
 #{::Kernel .raise  ::ArgumentError , "malformed format string - %#{`format_string.charAt(i)`}"}
 }
 }
 if (str === undefined) {
 #{::Kernel .raise  ::ArgumentError , 'malformed format string - %'}
 }
 result += format_string.slice(begin_slice, end_slice) + str;
 begin_slice = i + 1;
 }
 if (#{$DEBUG} && pos_arg_num >= 0 && seq_arg_num < args.length) {
 #{::Kernel .raise  ::ArgumentError , 'too many arguments for format string'}
 }
 return result + format_string.slice(begin_slice);
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 257
def freeze
 return self if frozen?
 %x{
 if (typeof(self) === "object") {
 $freeze_props(self);
 return $freeze(self);
 }
 return self;
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 269
def frozen?
 %x{
 switch (typeof(self)) {
 case "string":
 case "symbol":
 case "number":
 case "boolean":
 return true;
 case "object":
 return (self.$$frozen || false);
 default:
 return false;
 }
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 285
def gets(*args)
 $stdin.gets(*args)
end

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# File 'opal/opal/corelib/kernel.rb', line 289
def hash
 __id__
end

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# File 'opal/opal/corelib/kernel.rb', line 509
def Hash(arg)
 return {} if arg.nil? || arg == []
 return arg if ::Hash  === arg
 ::Opal .coerce_to! (arg, ::Hash , :to_hash)
end

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# File 'opal/opal/corelib/kernel.rb', line 181
def initialize_clone(other, freeze: nil)
 initialize_copy(other)
 self
end

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# File 'opal/opal/corelib/kernel.rb', line 293
def initialize_copy(other)
end

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# File 'opal/opal/corelib/kernel.rb', line 199
def initialize_dup(other)
 initialize_copy(other)
end

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# File 'opal/opal/corelib/kernel.rb', line 298
def inspect
 ivs = ''
 id = __id__
 if `inspect_stack`.include? id
 ivs = ' ...'
 else
 `inspect_stack` << id
 pushed = true
 instance_variables.each do |i|
 ivar = instance_variable_get(i)
 inspect = Opal .inspect (ivar)
 ivs += "#{i}=#{inspect}"
 end
 end
 "#<#{self.class}:0x#{id.to_s(16)}#{ivs}>"
rescue => e
 "#<#{self.class}:0x#{id.to_s(16)}>"
ensure
 `inspect_stack`.pop if pushed
end

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# File 'opal/opal/corelib/kernel.rb', line 319
def instance_of?(klass)
 %x{
 if (!klass.$$is_class && !klass.$$is_module) {
 #{::Kernel .raise  ::TypeError , 'class or module required'};
 }
 return self.$$class === klass;
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 329
def instance_variable_defined?(name)
 name = ::Opal .instance_variable_name! (name)
 `Opal.hasOwnProperty.call(self, name.substr(1))`
end

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# File 'opal/opal/corelib/kernel.rb', line 335
def instance_variable_get(name)
 name = ::Opal .instance_variable_name! (name)
 %x{
 var ivar = self[Opal.ivar(name.substr(1))];
 return ivar == null ? nil : ivar;
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 345
def instance_variable_set(name, value)
 `$deny_frozen_access(self)`
 name = ::Opal .instance_variable_name! (name)
 `self[Opal.ivar(name.substr(1))] = value`
end

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# File 'opal/opal/corelib/kernel.rb', line 369
def instance_variables
 %x{
 var result = [], ivar;
 for (var name in self) {
 if (self.hasOwnProperty(name) && name.charAt(0) !== '$') {
 if (name.substr(-1) === '$') {
 ivar = name.slice(0, name.length - 1);
 } else {
 ivar = name;
 }
 result.push('@' + ivar);
 }
 }
 return result;
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 388
def Integer(value, base = undefined)
 %x{
 var i, str, base_digits;
 if (!value.$$is_string) {
 if (base !== undefined) {
 #{::Kernel .raise  ::ArgumentError , 'base specified for non string value'}
 }
 if (value === nil) {
 #{::Kernel .raise  ::TypeError , "can't convert nil into Integer"}
 }
 if (value.$$is_number) {
 if (value === Infinity || value === -Infinity || isNaN(value)) {
 #{::Kernel .raise  ::FloatDomainError , value}
 }
 return Math.floor(value);
 }
 if (#{value.respond_to?(:to_int)}) {
 i = #{value.to_int};
 if (i !== nil) {
 return i;
 }
 }
 return #{::Opal .coerce_to! (value, ::Integer , :to_i)};
 }
 if (value === "0") {
 return 0;
 }
 if (base === undefined) {
 base = 0;
 } else {
 base = $coerce_to(base, #{::Integer }, 'to_int');
 if (base === 1 || base < 0 || base > 36) {
 #{::Kernel .raise  ::ArgumentError , "invalid radix #{base}"}
 }
 }
 str = value.toLowerCase();
 str = str.replace(/(\d)_(?=\d)/g, '1ドル');
 str = str.replace(/^(\s*[+-]?)(0[bodx]?)/, function (_, head, flag) {
 switch (flag) {
 case '0b':
 if (base === 0 || base === 2) {
 base = 2;
 return head;
 }
 // no-break
 case '0':
 case '0o':
 if (base === 0 || base === 8) {
 base = 8;
 return head;
 }
 // no-break
 case '0d':
 if (base === 0 || base === 10) {
 base = 10;
 return head;
 }
 // no-break
 case '0x':
 if (base === 0 || base === 16) {
 base = 16;
 return head;
 }
 // no-break
 }
 #{::Kernel .raise  ::ArgumentError , "invalid value for Integer(): \"#{value}\""}
 });
 base = (base === 0 ? 10 : base);
 base_digits = '0-' + (base <= 10 ? base - 1 : '9a-' + String.fromCharCode(97 + (base - 11)));
 if (!(new RegExp('^\\s*[+-]?[' + base_digits + ']+\\s*$')).test(str)) {
 #{::Kernel .raise  ::ArgumentError , "invalid value for Integer(): \"#{value}\""}
 }
 i = parseInt(str, base);
 if (isNaN(i)) {
 #{::Kernel .raise  ::ArgumentError , "invalid value for Integer(): \"#{value}\""}
 }
 return i;
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 515
def is_a?(klass)
 %x{
 if (!klass.$$is_class && !klass.$$is_module) {
 #{::Kernel .raise  ::TypeError , 'class or module required'};
 }
 return Opal.is_a(self, klass);
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 525
def itself
 self
end

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# File 'opal/opal/corelib/kernel.rb', line 529
def lambda(&block)
 `Opal.lambda(block)`
end

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# File 'opal/opal/corelib/kernel.rb', line 533
def load(file)
 file = ::Opal .coerce_to! (file, ::String , :to_str)
 `Opal.load(#{file})`
end

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# File 'opal/opal/corelib/kernel.rb', line 538
def loop
 return enum_for(:loop) { ::Float ::INFINITY } unless block_given?
 while true
 begin
 yield
 rescue ::StopIteration  => e
 return e.result
 end
 end
 self
end

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# File 'opal/opal/corelib/kernel.rb', line 32
def method(name)
 %x{
 var meth = self[$jsid(name)];
 if (!meth || meth.$$stub) {
 #{::Kernel .raise  ::NameError .new ("undefined method `#{name}' for class `#{self.class}'", name)};
 }
 return #{::Method .new (self, `meth.$$owner || #{self.class}`, `meth`, name)};
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 44
def methods(all = true)
 %x{
 if ($truthy(#{all})) {
 return Opal.methods(self);
 } else {
 return Opal.own_methods(self);
 }
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 552
def nil?
 false
end

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# File 'opal/opal/corelib/kernel.rb', line 785
def open(*args, &block)
 ::File .open(*args, &block)
end

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# File 'opal/opal/corelib/kernel.rb', line 577
def p(*args)
 args.each { |obj| $stdout.puts obj.inspect }
 args.length <= 1 ? args[0] : args
end

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# File 'opal/opal/corelib/kernel.rb', line 583
def print(*strs)
 $stdout.print(*strs)
end

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# File 'opal/opal/corelib/kernel.rb', line 556
def printf(*args)
 if args.any?
 print format(*args)
 end
 nil
end

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# File 'opal/opal/corelib/unsupported.rb', line 93
def private_methods(*methods)
 []
end

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# File 'opal/opal/corelib/kernel.rb', line 564
def proc(&block)
 unless block
 ::Kernel .raise  ::ArgumentError , 'tried to create Proc object without a block'
 end
 `block.$$is_lambda = false`
 block
end

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# File 'opal/opal/corelib/kernel.rb', line 54
def public_methods(all = true)
 %x{
 if ($truthy(#{all})) {
 return Opal.methods(self);
 } else {
 return Opal.receiver_methods(self);
 }
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 573
def puts(*strs)
 $stdout.puts(*strs)
end

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# File 'opal/opal/corelib/kernel.rb', line 603
def raise(exception = undefined, string = nil, backtrace = nil)
 %x{
 if (exception == null && #{$!} !== nil) {
 throw #{$!};
 }
 if (exception == null) {
 exception = #{::RuntimeError .new  ''};
 }
 else if ($respond_to(exception, '$to_str')) {
 exception = #{::RuntimeError .new  exception.to_str};
 }
 // using respond_to? and not an undefined check to avoid method_missing matching as true
 else if (exception.$$is_class && $respond_to(exception, '$exception')) {
 exception = #{exception.exception string};
 }
 else if (exception.$$is_exception) {
 // exception is fine
 }
 else {
 exception = #{::TypeError .new  'exception class/object expected'};
 }
 if (backtrace !== nil) {
 exception.$set_backtrace(backtrace);
 }
 if (#{$!} !== nil) {
 Opal.exceptions.push(#{$!});
 }
 #{$!} = exception;
 #{$@} = #{`exception`.backtrace};
 throw exception;
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 640
def rand(max = undefined)
 %x{
 if (max === undefined) {
 return #{::Random ::DEFAULT.rand};
 }
 if (max.$$is_number) {
 if (max < 0) {
 max = Math.abs(max);
 }
 if (max % 1 !== 0) {
 max = max.$to_i();
 }
 if (max === 0) {
 max = undefined;
 }
 }
 }
 ::Random ::DEFAULT.rand(max)
end

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# File 'opal/opal/corelib/rational/base.rb', line 2
def Rational(numerator, denominator = 1)
 ::Rational .convert (numerator, denominator)
end

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# File 'opal/opal/corelib/kernel.rb', line 587
def readline(*args)
 $stdin.readline(*args)
end

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# File 'opal/opal/corelib/kernel.rb', line 353
def remove_instance_variable(name)
 name = ::Opal .instance_variable_name! (name)
 %x{
 var key = Opal.ivar(name.substr(1)),
 val;
 if (self.hasOwnProperty(key)) {
 val = self[key];
 delete self[key];
 return val;
 }
 }
 ::Kernel .raise  ::NameError , "instance variable #{name} not defined"
end

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# File 'opal/opal/corelib/kernel.rb', line 685
def require(file)
 %x{
 // As Object.require refers to Kernel.require once Kernel has been loaded the String
 // class may not be available yet, the coercion requires both String and Array to be loaded.
 if (typeof #{file} !== 'string' && Opal.String && Opal.Array) {
 #{file = ::Opal .coerce_to! (file, ::String , :to_str) }
 }
 return Opal.require(#{file})
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 696
def require_relative(file)
 ::Opal .try_convert!(file, ::String , :to_str)
 file = ::File .expand_path  ::File .join (`Opal.current_file`, '..', file)
 `Opal.require(#{file})`
end

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# File 'opal/opal/corelib/kernel.rb', line 704
def require_tree(path, autoload: false)
 %x{
 var result = [];
 path = #{::File .expand_path (path)}
 path = Opal.normalize(path);
 if (path === '.') path = '';
 for (var name in Opal.modules) {
 if (#{`name`.start_with?(path)}) {
 if(!#{autoload }) {
 result.push([name, Opal.require(name)]);
 } else {
 result.push([name, true]); // do nothing, delegated to a autoloading
 }
 }
 }
 return result;
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 663
def respond_to?(name, include_all = false)
 %x{
 var body = self[$jsid(name)];
 if (typeof(body) === "function" && !body.$$stub) {
 return true;
 }
 if (self['$respond_to_missing?'].$$pristine === true) {
 return false;
 } else {
 return #{respond_to_missing?(name, include_all)};
 }
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 679
def respond_to_missing?(method_name, include_all = false)
 false
end

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# File 'opal/opal/corelib/kernel.rb', line 725
def singleton_class
 `Opal.get_singleton_class(self)`
end

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# File 'opal/opal/corelib/kernel.rb', line 729
def sleep(seconds = nil)
 %x{
 if (seconds === nil) {
 #{::Kernel .raise  ::TypeError , "can't convert NilClass into time interval"}
 }
 if (!seconds.$$is_number) {
 #{::Kernel .raise  ::TypeError , "can't convert #{seconds.class} into time interval"}
 }
 if (seconds < 0) {
 #{::Kernel .raise  ::ArgumentError , 'time interval must be positive'}
 }
 var get_time = Opal.global.performance ?
 function() {return performance.now()} :
 function() {return new Date()}
 var t = get_time();
 while (get_time() - t <= seconds * 1000);
 return Math.round(seconds);
 }
end

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# File 'opal/opal/corelib/kernel.rb', line 750
def srand(seed = Random .new_seed )
 ::Random .srand (seed)
end

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# File 'opal/opal/corelib/kernel.rb', line 754
def String(str)
 ::Opal .coerce_to? (str, ::String , :to_str) ||
 ::Opal .coerce_to! (str, ::String , :to_s)
end

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# File 'opal/opal/corelib/unsupported.rb', line 44
def taint
 `handle_unsupported_feature(ERROR)`
 self
end

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# File 'opal/opal/corelib/unsupported.rb', line 54
def tainted?
 `handle_unsupported_feature(ERROR)`
 false
end

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# File 'opal/opal/corelib/kernel.rb', line 759
def tap(&block)
 yield self
 self
end

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# File 'opal/opal/corelib/kernel.rb', line 780
def throw(tag, obj = nil)
 ::Kernel .raise  ::UncaughtThrowError .new (tag, obj)
end

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# File 'opal/opal/corelib/kernel.rb', line 764
def to_proc
 self
end

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# File 'opal/opal/corelib/kernel.rb', line 768
def to_s 
 "#<#{self.class}:0x#{__id__.to_s(16)}>"
end

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# File 'opal/opal/corelib/unsupported.rb', line 49
def untaint
 `handle_unsupported_feature(ERROR)`
 self
end

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# File 'opal/opal/corelib/kernel.rb', line 591
def warn(*strs, uplevel: nil)
 if uplevel
 uplevel = ::Opal .coerce_to! (uplevel, ::Integer , :to_str)
 ::Kernel .raise  ::ArgumentError , "negative level (#{uplevel})" if uplevel < 0
 location = caller(uplevel + 1, 1).first&.split(':in `')&.first
 location = "#{location}: " if location
 strs = strs.map { |s| "#{location}warning: #{s}" }
 end
 $stderr.puts(*strs) unless $VERBOSE.nil? || strs.empty?
end

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# File 'opal/opal/corelib/kernel.rb', line 789
def yield_self
 return enum_for(:yield_self) { 1 } unless block_given?
 yield self
end