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.



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1071

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 1069

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 1069

def method_name
  @method_name
end

Instance Method Details

#==(other) ⇒ Object 



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

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 1101

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 



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

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 1076

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 1097

def length
  3
end

#to_a(_iseq) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1084

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