class SyntaxTree::YARV::DupN
### Summary
‘dupn` duplicates the top `n` stack elements.
### Usage
~~~ruby Object::X ||= true ~~~
Attributes
number[R]
Public Class Methods
new(number)
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# File lib/syntax_tree/yarv/instructions.rb, line 1345 def initialize(number) @number = number end
Public Instance Methods
==(other)
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# File lib/syntax_tree/yarv/instructions.rb, line 1361 def ==(other) other.is_a?(DupN) && other.number == number end
call(vm)
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# File lib/syntax_tree/yarv/instructions.rb, line 1373 def call(vm) values = vm.pop(number) vm.push(*values) vm.push(*values) end
deconstruct_keys(_keys)
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# File lib/syntax_tree/yarv/instructions.rb, line 1357 def deconstruct_keys(_keys) { number: number } end
disasm(fmt)
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# File lib/syntax_tree/yarv/instructions.rb, line 1349 def disasm(fmt) fmt.instruction("dupn", [fmt.object(number)]) end
length()
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# File lib/syntax_tree/yarv/instructions.rb, line 1365 def length 2 end
pushes()
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# File lib/syntax_tree/yarv/instructions.rb, line 1369 def pushes number end
to_a(_iseq)
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# File lib/syntax_tree/yarv/instructions.rb, line 1353 def to_a(_iseq) [:dupn, number] end