class SyntaxTree::YARV::SplatArray

### Summary

‘splatarray` coerces the array object at the top of the stack into Array by calling `to_a`. It pushes a duplicate of the array if there is a flag, and the original array if there isn’t one.

### Usage

~~~ruby x = *(5) ~~~

Attributes

flag [R]

Public Class Methods

new (flag)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5583
def initialize(flag)
  @flag = flag
end

Public Instance Methods

== (other)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5599
def ==(other)
  other.is_a?(SplatArray) && other.flag == flag
end

call (vm)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5615
def call(vm)
  value = vm.pop

  vm.push(
    if Array === value
      value.instance_of?(Array) ? value.dup : Array[*value]
    elsif value.nil?
      value.to_a
    else
      if value.respond_to?(:to_a, true)
        result = value.to_a

        if result.nil?
          [value]
        elsif !result.is_a?(Array)
          raise TypeError, "expected to_a to return an Array"
        end
      else
        [value]
      end
    end
  )
end

deconstruct_keys (_keys)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5595
def deconstruct_keys(_keys)
  { flag: flag }
end

disasm (fmt)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5587
def disasm(fmt)
  fmt.instruction("splatarray", [fmt.object(flag)])
end

length ()

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5603
def length
  2
end

pops ()

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5607
def pops
  1
end

pushes ()

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5611
def pushes
  1
end

to_a (_iseq)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5591
def to_a(_iseq)
  [:splatarray, flag]
end