Class: BasicObject

Defined in:
opal/opal/corelib/basic_object.rb

Direct Known Subclasses

Object

Instance Method Summary collapse

Constructor Details

#initializeBasicObject

Returns a new instance of BasicObject


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# File 'opal/opal/corelib/basic_object.rb', line 2

def initialize(*)
end

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/basic_object.rb', line 127

def method_missing(symbol, *args, &block)
  Kernel.raise NoMethodError.new(`self.$inspect && !self.$inspect.$$stub` ?
    "undefined method `#{symbol}' for #{inspect}:#{`self.$$class`}" :
    "undefined method `#{symbol}' for #{`self.$$class`}", symbol)
end

Instance Method Details

#!Object


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# File 'opal/opal/corelib/basic_object.rb', line 39

def !
  false
end

#!=(other) ⇒ Object


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# File 'opal/opal/corelib/basic_object.rb', line 43

def !=(other)
  !(self == other)
end

#==(other) ⇒ Object Also known as: equal?


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# File 'opal/opal/corelib/basic_object.rb', line 5

def ==(other)
  `self === other`
end

#__id__Object


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# File 'opal/opal/corelib/basic_object.rb', line 15

def __id__
  `self.$$id || (self.$$id = Opal.uid())`
end

#__send__(symbol, *args, &block) ⇒ Object


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# File 'opal/opal/corelib/basic_object.rb', line 19

def __send__(symbol, *args, &block)
  %x{
    var func = self['$' + symbol]

    if (func) {
      if (block !== nil) {
        func.$$p = block;
      }

      return func.apply(self, args);
    }

    if (block !== nil) {
      self.$method_missing.$$p = block;
    }

    return self.$method_missing.apply(self, [symbol].concat(args));
  }
end

#eql?(other) ⇒ Boolean

Returns:


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# File 'opal/opal/corelib/basic_object.rb', line 9

def eql?(other)
  self == other
end

#instance_eval(*args, &block) ⇒ Object


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# File 'opal/opal/corelib/basic_object.rb', line 49

def instance_eval(*args, &block)
  if block.nil? && `!!Opal.compile`
    Kernel.raise ArgumentError, "wrong number of arguments (0 for 1..3)" unless (1..3).cover? args.size

    string, file, _lineno = *args
    compiled = Opal.compile string, file: (file || '(eval)'), eval: true
    wrapper  = `function() {return eval(compiled)}`

    block = Kernel.lambda { `wrapper.call(#{self})` }
  elsif args.size > 0
    Kernel.raise ArgumentError, "wrong number of arguments (#{args.size} for 0)"
  end

  %x{
    var old = block.$$s,
        result;

    block.$$s = null;

    // Need to pass $$eval so that method definitions know if this is
    // being done on a class/module. Cannot be compiler driven since
    // send(:instance_eval) needs to work.
    if (self.$$is_class || self.$$is_module) {
      self.$$eval = true;
      try {
        result = block.call(self, self);
      }
      finally {
        self.$$eval = false;
      }
    }
    else {
      result = block.call(self, self);
    }

    block.$$s = old;

    return result;
  }
end

#instance_exec(*args, &block) ⇒ Object


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# File 'opal/opal/corelib/basic_object.rb', line 90

def instance_exec(*args, &block)
  Kernel.raise ArgumentError, "no block given" unless block

  %x{
    var block_self = block.$$s,
        result;

    block.$$s = null;

    if (self.$$is_class || self.$$is_module) {
      self.$$eval = true;
      try {
        result = block.apply(self, args);
      }
      finally {
        self.$$eval = false;
      }
    }
    else {
      result = block.apply(self, args);
    }

    block.$$s = block_self;

    return result;
  }
end

#singleton_method_addedObject


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# File 'opal/opal/corelib/basic_object.rb', line 118

def singleton_method_added(*)
end

#singleton_method_removedObject


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# File 'opal/opal/corelib/basic_object.rb', line 121

def singleton_method_removed(*)
end

#singleton_method_undefinedObject


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# File 'opal/opal/corelib/basic_object.rb', line 124

def singleton_method_undefined(*)
end