class SyntaxTree::YARV::TopN

### Summary

‘topn` pushes a single value onto the stack that is a copy of the value within the stack that is `number` of slots down from the top.

### Usage

~~~ruby case 3 when 1..5

puts "foo"

end ~~~

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5803
def initialize(number)
  @number = number
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5819
def ==(other)
  other.is_a?(TopN) && other.number == number
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5831
def call(vm)
  vm.push(vm.stack[-number - 1])
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5815
def deconstruct_keys(_keys)
  { number: number }
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5807
def disasm(fmt)
  fmt.instruction("topn", [fmt.object(number)])
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5823
def length
  2
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5827
def pushes
  1
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5811
def to_a(_iseq)
  [:topn, number]
end