Class: SyntaxTree::YARV::DupArray

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

Overview

Summary

duparray dups an Array literal and pushes it onto the stack.

Usage

[true]

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Instruction

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

Constructor Details

#initialize(object) ⇒ DupArray

Returns a new instance of DupArray.



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1306

def initialize(object)
  @object = object
end

Instance Attribute Details

#object ⇒ Object (readonly)

Returns the value of attribute object.



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1304

def object
  @object
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1322

def ==(other)
  other.is_a?(DupArray) && other.object == object
end

#call(vm) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1334

def call(vm)
  vm.push(object.dup)
end

#deconstruct_keys(_keys) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1318

def deconstruct_keys(_keys)
  { object: object }
end

#disasm(fmt) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1310

def disasm(fmt)
  fmt.instruction("duparray", [fmt.object(object)])
end

#length ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1326

def length
  2
end

#pushes ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1330

def pushes
  1
end

#to_a(_iseq) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 1314

def to_a(_iseq)
  [:duparray, object]
end