Class: SyntaxTree::YARV::DefineMethod

Inherits:
Object
  • Object
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

Constructor Details

#initialize(method_name, method_iseq) ⇒ DefineMethod

Returns a new instance of DefineMethod.



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1075

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.



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1073

def method_iseq
  @method_iseq
end

#method_name ⇒ Object (readonly)

Returns the value of attribute method_name.



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1073

def method_name
  @method_name
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1096

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

#call(vm) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1117

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

#canonical ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1113

def canonical
  self
end

#deconstruct_keys(_keys) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1092

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

#disasm(fmt) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1080

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

#length ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1101

def length
  3
end

#pops ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1105

def pops
  0
end

#pushes ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1109

def pushes
  0
end

#to_a(_iseq) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1088

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