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 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 975

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 973

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 973

def method_name
  @method_name
end

Instance Method Details

#call(vm) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1008

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 1004

def canonical
  self
end

#disasm(fmt) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 980

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 992

def length
  3
end

#pops ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 996

def pops
  0
end

#pushes ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1000

def pushes
  0
end

#to_a(_iseq) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 988

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