class SyntaxTree::YARV::SetN

### Summary

‘setn` sets a value in the stack to a value popped off the top of the stack. It then pushes that value onto the top of the stack as well.

### Usage

~~~ruby = ‘val’ ~~~

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5476
def initialize(number)
  @number = number
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5492
def ==(other)
  other.is_a?(SetN) && other.number == number
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5508
def call(vm)
  vm.stack[-number - 1] = vm.stack.last
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5488
def deconstruct_keys(_keys)
  { number: number }
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5480
def disasm(fmt)
  fmt.instruction("setn", [fmt.object(number)])
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5496
def length
  2
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5500
def pops
  1
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5504
def pushes
  1
end

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5484
def to_a(_iseq)
  [:setn, number]
end