Class: BasicObject

Defined in:
opal/opal/corelib/basic_object.rb,
opal/opal/corelib/marshal/write_buffer.rb

Overview

use_strict: true backtick_javascript: true

Direct Known Subclasses

Object

Instance Method Summary collapse

Constructor Details

#initialize ⇒ BasicObject

Returns a new instance of BasicObject.



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

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 144

def method_missing(symbol, *args, &block)
  inspect_result = ::Opal.inspect(self)
  ::Kernel.raise ::NoMethodError.new(
    "undefined method `#{symbol}' for #{inspect_result}", symbol, args
  ), nil, ::Kernel.caller(1)
end

Instance Method Details

#! ⇒ Object 



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# File 'opal/opal/corelib/basic_object.rb', line 52

def !
  false
end

#!=(other) ⇒ Object 



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# File 'opal/opal/corelib/basic_object.rb', line 57

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

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



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# File 'opal/opal/corelib/basic_object.rb', line 8

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

#__id__ ⇒ Object 



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# File 'opal/opal/corelib/basic_object.rb', line 18

def __id__
  %x{
    if (self.$$id != null) {
      return self.$$id;
    }
    Opal.prop(self, '$$id', Opal.uid());
    return self.$$id;
  }
end

#__marshal__(buffer) ⇒ Object 



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# File 'opal/opal/corelib/marshal/write_buffer.rb', line 143

def __marshal__(buffer)
  buffer.save_link(self)
  buffer.write_extends(self)
  buffer.append('o')
  buffer.write_object(self)
end

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



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# File 'opal/opal/corelib/basic_object.rb', line 28

def __send__(symbol, *args, &block)
  %x{
    if (!symbol.$$is_string) {
      #{raise ::TypeError, "#{inspect} is not a symbol nor a string"}
    }

    var func = self[Opal.jsid(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 12

def eql?(other)
  self == other
end

#instance_eval(*args, &block) ⇒ Object 



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# File 'opal/opal/corelib/basic_object.rb', line 61

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
    default_eval_options = { file: (file || '(eval)'), eval: true }
    compiling_options = __OPAL_COMPILER_CONFIG__.merge(default_eval_options)
    compiled = ::Opal.compile string, compiling_options
    block = ::Kernel.proc do
      %x{new Function("Opal,self", "return " + compiled)(Opal, self)}
    end
  elsif block.nil? && args.length >= 1 && args.first[0] == '@'
    # get instance variable
    return instance_variable_get(args.first)
  elsif args.any?
    ::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_a_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 107

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.$$is_a_module) {
      self.$$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

#respond_to_missing?(method_name, include_all = false) ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/basic_object.rb', line 153

def respond_to_missing?(method_name, include_all = false)
  false
end

#singleton_method_added ⇒ Object 



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# File 'opal/opal/corelib/basic_object.rb', line 135

def singleton_method_added(*)
end

#singleton_method_removed ⇒ Object 



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# File 'opal/opal/corelib/basic_object.rb', line 138

def singleton_method_removed(*)
end

#singleton_method_undefined ⇒ Object 



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# File 'opal/opal/corelib/basic_object.rb', line 141

def singleton_method_undefined(*)
end