Class: SyntaxTree::YARV::DefineMethod

Inherits:
Instruction show all
Defined in:
lib/syntax_tree/yarv/instructions.rb

Overview

### Summary

definemethod defines a method on the class of the current value of self. It accepts two arguments. The first is the name of the method being defined. The second is the instruction sequence representing the body of the method.

### Usage

~~~ruby def value = “value” ~~~

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Instruction

#branch_targets, #canonical, #falls_through?, #leaves?, #pops, #pushes, #side_effects?

Constructor Details

#initialize(method_name, method_iseq) ⇒ DefineMethod

Returns a new instance of DefineMethod.



1124
1125
1126
1127
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 1124

def initialize(method_name, method_iseq)
  @method_name = method_name
  @method_iseq = method_iseq
end

Instance Attribute Details

#method_iseq ⇒ Object (readonly)

Returns the value of attribute method_iseq.



1122
1123
1124
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 1122

def method_iseq
  @method_iseq
end

#method_name ⇒ Object (readonly)

Returns the value of attribute method_name.



1122
1123
1124
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 1122

def method_name
  @method_name
end

Instance Method Details

#==(other) ⇒ Object 



1145
1146
1147
1148
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 1145

def ==(other)
  other.is_a?(DefineMethod) && other.method_name == method_name &&
    other.method_iseq == method_iseq
end

#call(vm) ⇒ Object 



1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 1154

def call(vm)
  name = method_name
  nesting = vm.frame.nesting
  iseq = method_iseq

  vm
    .frame
    ._self
    .__send__(:define_method, name) do |*args, **kwargs, &block|
      vm.run_method_frame(
        name,
        nesting,
        iseq,
        self,
        *args,
        **kwargs,
        &block
      )
    end
end

#deconstruct_keys(_keys) ⇒ Object 



1141
1142
1143
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 1141

def deconstruct_keys(_keys)
  { method_name: method_name, method_iseq: method_iseq }
end

#disasm(fmt) ⇒ Object 



1129
1130
1131
1132
1133
1134
1135
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 1129

def disasm(fmt)
  fmt.enqueue(method_iseq)
  fmt.instruction(
    "definemethod",
    [fmt.object(method_name), method_iseq.name]
  )
end

#length ⇒ Object 



1150
1151
1152
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 1150

def length
  3
end

#to_a(_iseq) ⇒ Object 



1137
1138
1139
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 1137

def to_a(_iseq)
  [:definemethod, method_name, method_iseq.to_a]
end