Module: Kernel
- Included in:
- Object
- Defined in:
- opal/opal/corelib/kernel.rb,
opal/opal/corelib/complex.rb,
opal/opal/corelib/rational.rb,
opal/opal/corelib/unsupported.rb,
opal/opal/corelib/unsupported.rb,
opal/opal/corelib/unsupported.rb,
opal/opal/corelib/unsupported.rb,
opal/opal/corelib/kernel/format.rb
Instance Method Summary collapse
- #!~(obj) ⇒ Object
- #<=>(other) ⇒ Object
- #===(other) ⇒ Object
- #=~(obj) ⇒ Object
- #Array(object) ⇒ Object
- #at_exit(&block) ⇒ Object
-
#caller(*args) ⇒ Object
Opal does not support #caller, but we stub it as an empty array to not break dependant libs.
- #catch(sym) ⇒ Object
- #class ⇒ Object
- #clone(freeze: true) ⇒ Object
- #Complex(real, imag = nil) ⇒ Object
- #copy_instance_variables(other) ⇒ Object
- #copy_singleton_methods(other) ⇒ Object
- #define_singleton_method(name, method = undefined, &block) ⇒ Object
- #dup ⇒ Object
- #enum_for(method = :each, *args, &block) ⇒ Object (also: #to_enum)
- #equal?(other) ⇒ Boolean
- #eval ⇒ Object
- #exit(status = true) ⇒ Object
- #extend(*mods) ⇒ Object
- #Float(value) ⇒ Object
- #format(format_string, *args) ⇒ Object (also: #sprintf)
- #freeze ⇒ Object
- #frozen? ⇒ Boolean
- #hash ⇒ Object
- #Hash(arg) ⇒ Object
- #initialize_clone(other) ⇒ Object
- #initialize_copy(other) ⇒ Object
- #initialize_dup(other) ⇒ Object
- #inspect ⇒ Object
- #instance_of?(klass) ⇒ Boolean
- #instance_variable_defined?(name) ⇒ Boolean
- #instance_variable_get(name) ⇒ Object
- #instance_variable_set(name, value) ⇒ Object
- #instance_variables ⇒ Object
- #Integer(value, base = undefined) ⇒ Object
- #is_a?(klass) ⇒ Boolean (also: #kind_of?)
- #itself ⇒ Object
- #lambda(&block) ⇒ Object
- #load(file) ⇒ Object
- #loop ⇒ Object
- #method(name) ⇒ Object
- #method_missing(symbol, *args, &block) ⇒ Object
- #methods(all = true) ⇒ Object
- #nil? ⇒ Boolean
-
#open(*args, &block) ⇒ Object
basic implementation of open, delegate to File.open.
- #p(*args) ⇒ Object
- #print(*strs) ⇒ Object
- #printf(*args) ⇒ Object
- #private_methods ⇒ Object (also: #private_instance_methods)
- #proc(&block) ⇒ Object
- #public_methods(all = true) ⇒ Object
- #puts(*strs) ⇒ Object
- #raise(exception = undefined, string = nil, _backtrace = nil) ⇒ Object (also: #fail)
- #rand(max = undefined) ⇒ Object
- #Rational(numerator, denominator = 1) ⇒ Object
- #remove_instance_variable(name) ⇒ Object
- #require(file) ⇒ Object
- #require_relative(file) ⇒ Object
-
#require_tree(path) ⇒ Object
path
should be the full path to be found in registered modules (Opal.modules
). - #respond_to?(name, include_all = false) ⇒ Boolean
- #respond_to_missing?(method_name, include_all = false) ⇒ Boolean
- #singleton_class ⇒ Object
- #sleep(seconds = nil) ⇒ Object
- #srand(seed = Random.new_seed) ⇒ Object
- #String(str) ⇒ Object
- #taint ⇒ Object
- #tainted? ⇒ Boolean
- #tap {|_self| ... } ⇒ Object
- #throw(*args) ⇒ Object
- #to_proc ⇒ Object
- #to_s ⇒ Object
- #untaint ⇒ Object
- #warn(*strs) ⇒ Object
- #yield_self {|_self| ... } ⇒ Object
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(symbol, *args, &block) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 2 def method_missing(symbol, *args, &block) raise NoMethodError.new("undefined method `#{symbol}' for #{inspect}", symbol, args) end |
Instance Method Details
#!~(obj) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 10 def !~(obj) !(self =~ obj) end |
#<=>(other) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 18 def <=>(other) %x{ // set guard for infinite recursion self.$$comparable = true; var x = #{self == other}; if (x && x !== nil) { return 0; } return nil; } end |
#===(other) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 14 def ===(other) object_id == other.object_id || self == other end |
#=~(obj) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 6 def =~(obj) false end |
#Array(object) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 65 def Array(object) %x{ var coerced; if (object === nil) { return []; } if (object.$$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 |
#at_exit(&block) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 87 def at_exit(&block) $__at_exit__ ||= [] $__at_exit__ << block end |
#caller(*args) ⇒ Object
Opal does not support #caller, but we stub it as an empty array to not break dependant libs
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# File 'opal/opal/corelib/kernel.rb', line 94 def caller(*args) [] end |
#catch(sym) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 663 def catch(sym) yield rescue UncaughtThrowError => e return e.arg if e.sym == sym raise end |
#class ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 98 def class `self.$$class` end |
#clone(freeze: true) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 146 def clone(freeze: true) copy = self.class.allocate copy.copy_instance_variables(self) copy.copy_singleton_methods(self) copy.initialize_clone(self) copy end |
#Complex(real, imag = nil) ⇒ Object
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# File 'opal/opal/corelib/complex.rb', line 295 def Complex(real, imag = nil) if imag Complex.new(real, imag) else Complex.new(real, 0) end end |
#copy_instance_variables(other) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 102 def copy_instance_variables(other) %x{ var keys = Object.keys(other), i, ii, name; for (i = 0, ii = keys.length; i < ii; i++) { name = keys[i]; if (name.charAt(0) !== '$' && other.hasOwnProperty(name)) { self[name] = other[name]; } } } end |
#copy_singleton_methods(other) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 114 def copy_singleton_methods(other) %x{ var i, name, names, length; if (other.hasOwnProperty('$$meta')) { 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.$$prototype) ); } for (i = 0, names = Object.getOwnPropertyNames(other), length = names.length; i < length; i++) { name = names[i]; if (name.charAt(0) === '$' && name.charAt(1) !== '$' && other.hasOwnProperty(name)) { self[name] = other[name]; } } } end |
#define_singleton_method(name, method = undefined, &block) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 160 def define_singleton_method(name, method = undefined, &block) singleton_class.define_method(name, method, &block) end |
#dup ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 164 def dup copy = self.class.allocate copy.copy_instance_variables(self) copy.initialize_dup(self) copy end |
#enum_for(method = :each, *args, &block) ⇒ Object Also known as: to_enum
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# File 'opal/opal/corelib/kernel.rb', line 177 def enum_for(method = :each, *args, &block) Enumerator.for(self, method, *args, &block) end |
#equal?(other) ⇒ Boolean
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# File 'opal/opal/corelib/kernel.rb', line 183 def equal?(other) `self === other` end |
#eval ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 204 def eval(*) raise NotImplementedError, "To use Kernel#eval, you must first require 'opal-parser'. "\ "See https://github.com/opal/opal/blob/#{RUBY_ENGINE_VERSION}/docs/opal_parser.md for details." end |
#exit(status = true) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 187 def exit(status = true) $__at_exit__ ||= [] until $__at_exit__.empty? block = $__at_exit__.pop block.call end %x{ if (status.$$is_boolean) { status = status ? 0 : 1; } else { status = #{Opal.coerce_to(status, Integer, :to_int)} } Opal.exit(status); } nil end |
#extend(*mods) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 207 def extend(*mods) %x{ var singleton = #{singleton_class}; for (var i = mods.length - 1; i >= 0; i--) { var mod = mods[i]; if (!mod.$$is_module) { #{raise TypeError, "wrong argument type #{`mod`.class} (expected Module)"}; } #{`mod`.append_features `singleton`}; #{`mod`.extend_object self}; #{`mod`.extended self}; } } self end |
#Float(value) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 393 def Float(value) %x{ var str; if (value === nil) { #{raise TypeError, "can't convert nil into Float"} } if (value.$$is_string) { str = value.toString(); str = str.replace(/(\d)_(?=\d)/g, '$1'); //Special case for hex strings only: if (/^\s*[-+]?0[xX][0-9a-fA-F]+\s*$/.test(str)) { return #{Integer(`str`)}; } if (!/^\s*[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?\s*$/.test(str)) { #{raise ArgumentError, "invalid value for Float(): \"#{value}\""} } return parseFloat(str); } return #{Opal.coerce_to!(value, Float, :to_f)}; } end |
#format(format_string, *args) ⇒ Object Also known as: sprintf
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# File 'opal/opal/corelib/kernel/format.rb', line 2 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) { #{raise ArgumentError, 'flag after width'} } if (flags&FPREC0) { #{raise ArgumentError, 'flag after precision'} } } function CHECK_FOR_WIDTH() { if (flags&FWIDTH) { #{raise ArgumentError, 'width given twice'} } if (flags&FPREC0) { #{raise ArgumentError, 'width after precision'} } } function GET_NTH_ARG(num) { if (num >= args.length) { #{raise ArgumentError, 'too few arguments'} } return args[num]; } function GET_NEXT_ARG() { switch (pos_arg_num) { case -1: #{raise ArgumentError, "unnumbered(#{`seq_arg_num`}) mixed with numbered"} case -2: #{raise ArgumentError, "unnumbered(#{`seq_arg_num`}) mixed with named"} } pos_arg_num = seq_arg_num++; return GET_NTH_ARG(pos_arg_num - 1); } function GET_POS_ARG(num) { if (pos_arg_num > 0) { #{raise ArgumentError, "numbered(#{`num`}) after unnumbered(#{`pos_arg_num`})"} } if (pos_arg_num === -2) { #{raise ArgumentError, "numbered(#{`num`}) after named"} } if (num < 1) { #{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) { #{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) { #{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) === '$') { i++; arg = GET_POS_ARG(num); } else { arg = GET_NEXT_ARG(); } return #{`arg`.to_int}; } for (i = format_string.indexOf('%'); i !== -1; i = format_string.indexOf('%', i)) { str = undefined; flags = FNONE; width = -1; precision = -1; next_arg = undefined; end_slice = i; i++; switch (format_string.charAt(i)) { case '%': begin_slice = i; case '': case '\n': case '\0': i++; continue; } format_sequence: for (; i < len; i++) { switch (format_string.charAt(i)) { case ' ': CHECK_FOR_FLAGS(); flags |= FSPACE; continue format_sequence; case '#': CHECK_FOR_FLAGS(); flags |= FSHARP; continue format_sequence; case '+': CHECK_FOR_FLAGS(); flags |= FPLUS; continue format_sequence; case '-': CHECK_FOR_FLAGS(); flags |= FMINUS; continue format_sequence; case '0': CHECK_FOR_FLAGS(); flags |= FZERO; continue format_sequence; case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': tmp_num = READ_NUM('width'); if (format_string.charAt(i + 1) === '$') { if (i + 2 === len) { str = '%'; i++; break format_sequence; } if (next_arg !== undefined) { #{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) { #{raise ArgumentError, 'malformed name - unmatched parenthesis'} } if (format_string.charAt(i) === closing_brace_char) { if (pos_arg_num > 0) { #{raise ArgumentError, "named #{`hash_parameter_key`} after unnumbered(#{`pos_arg_num`})"} } if (pos_arg_num === -1) { #{raise ArgumentError, "named #{`hash_parameter_key`} after numbered"} } pos_arg_num = -2; if (args[0] === undefined || !args[0].$$is_hash) { #{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); } 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) { #{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 = #{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 = #{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 = #{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$2'); break format_sequence; case 'a': case 'A': // Not implemented because there are no specs for this field type. #{raise NotImplementedError, '`A` and `a` format field types are not implemented in Opal yet'} 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(#{Opal.coerce_to(`arg`, Integer, :to_int)}); } if (str.length !== 1) { #{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: #{raise ArgumentError, "malformed format string - %#{`format_string.charAt(i)`}"} } } if (str === undefined) { #{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) { #{raise ArgumentError, 'too many arguments for format string'} } return result + format_string.slice(begin_slice); } end |
#freeze ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 126 def freeze `handle_unsupported_feature(ERROR)` self end |
#frozen? ⇒ Boolean
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# File 'opal/opal/corelib/unsupported.rb', line 131 def frozen? `handle_unsupported_feature(ERROR)` false end |
#hash ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 227 def hash __id__ end |
#Hash(arg) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 422 def Hash(arg) return {} if arg.nil? || arg == [] return arg if Hash === arg Opal.coerce_to!(arg, Hash, :to_hash) end |
#initialize_clone(other) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 156 def initialize_clone(other) initialize_copy(other) end |
#initialize_copy(other) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 231 def initialize_copy(other) end |
#initialize_dup(other) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 173 def initialize_dup(other) initialize_copy(other) end |
#instance_of?(klass) ⇒ Boolean
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# File 'opal/opal/corelib/kernel.rb', line 238 def instance_of?(klass) %x{ if (!klass.$$is_class && !klass.$$is_module) { #{raise TypeError, 'class or module required'}; } return self.$$class === klass; } end |
#instance_variable_defined?(name) ⇒ Boolean
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# File 'opal/opal/corelib/kernel.rb', line 248 def instance_variable_defined?(name) name = Opal.instance_variable_name!(name) `Opal.hasOwnProperty.call(self, name.substr(1))` end |
#instance_variable_get(name) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 254 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 |
#instance_variable_set(name, value) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 264 def instance_variable_set(name, value) name = Opal.instance_variable_name!(name) `self[Opal.ivar(name.substr(1))] = value` end |
#instance_variables ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 286 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 |
#Integer(value, base = undefined) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 305 def Integer(value, base = undefined) %x{ var i, str, base_digits; if (!value.$$is_string) { if (base !== undefined) { #{raise ArgumentError, 'base specified for non string value'} } if (value === nil) { #{raise TypeError, "can't convert nil into Integer"} } if (value.$$is_number) { if (value === Infinity || value === -Infinity || isNaN(value)) { #{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 = #{Opal.coerce_to(`base`, Integer, :to_int)}; if (base === 1 || base < 0 || base > 36) { #{raise ArgumentError, "invalid radix #{base}"} } } str = value.toLowerCase(); str = str.replace(/(\d)_(?=\d)/g, '$1'); str = str.replace(/^(\s*[+-]?)(0[bodx]?)/, function (_, head, flag) { switch (flag) { case '0b': if (base === 0 || base === 2) { base = 2; return head; } case '0': case '0o': if (base === 0 || base === 8) { base = 8; return head; } case '0d': if (base === 0 || base === 10) { base = 10; return head; } case '0x': if (base === 0 || base === 16) { base = 16; return head; } } #{raise ArgumentError, "invalid value for Integer(): \"#{value}\""} }); base = (base === 0 ? 10 : base); base_digits = '0-' + (base <= 10 ? base - 1 : '9a-' + String.fromCharCode(97 + (base - 11))); if (!(new RegExp('^\\s*[+-]?[' + base_digits + ']+\\s*$')).test(str)) { #{raise ArgumentError, "invalid value for Integer(): \"#{value}\""} } i = parseInt(str, base); if (isNaN(i)) { #{raise ArgumentError, "invalid value for Integer(): \"#{value}\""} } return i; } end |
#is_a?(klass) ⇒ Boolean Also known as: kind_of?
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# File 'opal/opal/corelib/kernel.rb', line 428 def is_a?(klass) %x{ if (!klass.$$is_class && !klass.$$is_module) { #{raise TypeError, 'class or module required'}; } return Opal.is_a(self, klass); } end |
#itself ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 438 def itself self end |
#lambda(&block) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 444 def lambda(&block) `Opal.lambda(block)` end |
#load(file) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 448 def load(file) file = Opal.coerce_to!(file, String, :to_str) `Opal.load(#{file})` end |
#loop ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 453 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 |
#method(name) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 33 def method(name) %x{ var meth = self['$' + name]; if (!meth || meth.$$stub) { #{raise NameError.new("undefined method `#{name}' for class `#{self.class}'", name)}; } return #{Method.new(self, `meth.$$owner || #{self.class}`, `meth`, name)}; } end |
#methods(all = true) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 45 def methods(all = true) %x{ if (#{Opal.truthy?(all)}) { return Opal.methods(self); } else { return Opal.own_methods(self); } } end |
#open(*args, &block) ⇒ Object
basic implementation of open, delegate to File.open
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# File 'opal/opal/corelib/kernel.rb', line 675 def open(*args, &block) File.open(*args, &block) end |
#p(*args) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 494 def p(*args) args.each { |obj| $stdout.puts obj.inspect } args.length <= 1 ? args[0] : args end |
#print(*strs) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 500 def print(*strs) $stdout.print(*strs) end |
#printf(*args) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 473 def printf(*args) if args.any? print format(*args) end nil end |
#private_methods ⇒ Object Also known as: private_instance_methods
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# File 'opal/opal/corelib/unsupported.rb', line 196 def private_methods(*) [] end |
#proc(&block) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 481 def proc(&block) unless block raise ArgumentError, 'tried to create Proc object without a block' end `block.$$is_lambda = false` block end |
#public_methods(all = true) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 55 def public_methods(all = true) %x{ if (#{Opal.truthy?(all)}) { return Opal.methods(self); } else { return Opal.receiver_methods(self); } } end |
#puts(*strs) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 490 def puts(*strs) $stdout.puts(*strs) end |
#raise(exception = undefined, string = nil, _backtrace = nil) ⇒ Object Also known as: fail
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# File 'opal/opal/corelib/kernel.rb', line 508 def raise(exception = undefined, string = nil, _backtrace = nil) %x{ if (exception == null && #{$!} !== nil) { throw #{$!}; } if (exception == null) { exception = #{RuntimeError.new}; } else if (exception.$$is_string) { exception = #{RuntimeError.new exception}; } // using respond_to? and not an undefined check to avoid method_missing matching as true else if (exception.$$is_class && #{exception.respond_to?(:exception)}) { exception = #{exception.exception string}; } else if (#{exception.is_a?(Exception)}) { // exception is fine } else { exception = #{TypeError.new 'exception class/object expected'}; } if (#{$!} !== nil) { Opal.exceptions.push(#{$!}); } #{$!} = exception; throw exception; } end |
#rand(max = undefined) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 542 def rand(max = undefined) %x{ if (max === undefined) { return #{Random::DEFAULT.rand}; } if (max.$$is_number) { if (max < 0) { max = Math.abs(max); } if (max % 1 !== 0) { max = max.$to_i(); } if (max === 0) { max = undefined; } } } Random::DEFAULT.rand(max) end |
#Rational(numerator, denominator = 1) ⇒ Object
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# File 'opal/opal/corelib/rational.rb', line 356 def Rational(numerator, denominator = 1) Rational.convert(numerator, denominator) end |
#remove_instance_variable(name) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 270 def remove_instance_variable(name) name = Opal.instance_variable_name!(name) %x{ var key = Opal.ivar(name.substr(1)), val; if (self.hasOwnProperty(key)) { val = self[key]; delete self[key]; return val; } } raise NameError, "instance variable #{name} not defined" end |
#require(file) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 583 def require(file) file = Opal.coerce_to!(file, String, :to_str) `Opal.require(#{file})` end |
#require_relative(file) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 588 def require_relative(file) Opal.try_convert!(file, String, :to_str) file = File. File.join(`Opal.current_file`, '..', file) `Opal.require(#{file})` end |
#require_tree(path) ⇒ Object
path
should be the full path to be found in registered modules (Opal.modules
)
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# File 'opal/opal/corelib/kernel.rb', line 596 def require_tree(path) %x{ var result = []; path = #{File.(path)} path = Opal.normalize(path); if (path === '.') path = ''; for (var name in Opal.modules) { if (#{`name`.start_with?(path)}) { result.push([name, Opal.require(name)]); } } return result; } end |
#respond_to?(name, include_all = false) ⇒ Boolean
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# File 'opal/opal/corelib/kernel.rb', line 565 def respond_to?(name, include_all = false) return true if respond_to_missing?(name, include_all) %x{ var body = self['$' + name]; if (typeof(body) === "function" && !body.$$stub) { return true; } } false end |
#respond_to_missing?(method_name, include_all = false) ⇒ Boolean
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# File 'opal/opal/corelib/kernel.rb', line 579 def respond_to_missing?(method_name, include_all = false) false end |
#singleton_class ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 616 def singleton_class `Opal.get_singleton_class(self)` end |
#sleep(seconds = nil) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 620 def sleep(seconds = nil) %x{ if (seconds === nil) { #{raise TypeError, "can't convert NilClass into time interval"} } if (!seconds.$$is_number) { #{raise TypeError, "can't convert #{seconds.class} into time interval"} } if (seconds < 0) { #{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 seconds; } end |
#srand(seed = Random.new_seed) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 641 def srand(seed = Random.new_seed) Random.srand(seed) end |
#String(str) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 645 def String(str) Opal.coerce_to?(str, String, :to_str) || Opal.coerce_to!(str, String, :to_s) end |
#taint ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 140 def taint `handle_unsupported_feature(ERROR)` self end |
#tainted? ⇒ Boolean
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# File 'opal/opal/corelib/unsupported.rb', line 150 def tainted? `handle_unsupported_feature(ERROR)` false end |
#tap {|_self| ... } ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 650 def tap(&block) yield self self end |
#throw(*args) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 670 def throw(*args) raise UncaughtThrowError, args end |
#to_proc ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 655 def to_proc self end |
#to_s ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 659 def to_s "#<#{self.class}:0x#{__id__.to_s(16)}>" end |
#untaint ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 145 def untaint `handle_unsupported_feature(ERROR)` self end |
#warn(*strs) ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 504 def warn(*strs) $stderr.puts(*strs) unless $VERBOSE.nil? || strs.empty? end |
#yield_self {|_self| ... } ⇒ Object
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# File 'opal/opal/corelib/kernel.rb', line 679 def yield_self return enum_for(:yield_self) { 1 } unless block_given? yield self end |