Class: BasicObject

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

Direct Known Subclasses

Object

Instance Method Summary collapse

Constructor Details

#initializeBasicObject

Returns a new instance of BasicObject.


2
3
# 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


137
138
139
140
141
142
143
144
145
# File 'opal/opal/corelib/basic_object.rb', line 137

def method_missing(symbol, *args, &block)
  message = if `self.$inspect && !self.$inspect.$$stub`
              "undefined method `#{symbol}' for #{inspect}:#{`self.$$class`}"
            else
              "undefined method `#{symbol}' for #{`self.$$class`}"
            end

  ::Kernel.raise ::NoMethodError.new(message, symbol)
end

Instance Method Details

#!Object


45
46
47
# File 'opal/opal/corelib/basic_object.rb', line 45

def !
  false
end

#!=(other) ⇒ Object


49
50
51
# File 'opal/opal/corelib/basic_object.rb', line 49

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

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


5
6
7
# File 'opal/opal/corelib/basic_object.rb', line 5

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

#__id__Object


15
16
17
18
19
20
21
22
23
# File 'opal/opal/corelib/basic_object.rb', line 15

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

#__marshal__(buffer) ⇒ Object


141
142
143
144
145
146
# File 'opal/opal/corelib/marshal/write_buffer.rb', line 141

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

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


25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
# File 'opal/opal/corelib/basic_object.rb', line 25

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:


9
10
11
# File 'opal/opal/corelib/basic_object.rb', line 9

def eql?(other)
  self == other
end

#instance_eval(*args, &block) ⇒ Object


53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
# File 'opal/opal/corelib/basic_object.rb', line 53

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{
        return (function(self) {
          return eval(compiled);
        })(self)
      }
    end
  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


100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
# File 'opal/opal/corelib/basic_object.rb', line 100

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:


147
148
149
# File 'opal/opal/corelib/basic_object.rb', line 147

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

#singleton_method_addedObject


128
129
# File 'opal/opal/corelib/basic_object.rb', line 128

def singleton_method_added(*)
end

#singleton_method_removedObject


131
132
# File 'opal/opal/corelib/basic_object.rb', line 131

def singleton_method_removed(*)
end

#singleton_method_undefinedObject


134
135
# File 'opal/opal/corelib/basic_object.rb', line 134

def singleton_method_undefined(*)
end