Class: SyntaxTree::YARV::OptNewArraySend

Inherits:

Instruction

• Object
• Instruction
• SyntaxTree::YARV::OptNewArraySend

Defined in:

lib/syntax_tree/yarv/instructions.rb

Overview

### Summary

‘opt_newarray_send` is a specialization that occurs when a dynamic array literal is created and immediately sent the `min`, `max`, or `hash` methods. It pops the values of the array off the stack and pushes on the result of the method call.

### Usage

~~~ruby [a, b, c].max ~~~

Instance Attribute Summary

• #method ⇒ Object readonly

  Returns the value of attribute method.

• #number ⇒ Object readonly

  Returns the value of attribute number.

Instance Method Summary

• #==(other) ⇒ Object
• #call(vm) ⇒ Object
• #deconstruct_keys(_keys) ⇒ Object
• #disasm(fmt) ⇒ Object
• #initialize(number, method) ⇒ OptNewArraySend constructor

  A new instance of OptNewArraySend.

• #length ⇒ Object
• #pops ⇒ Object
• #pushes ⇒ Object
• #to_a(_iseq) ⇒ Object

Methods inherited from Instruction

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

Constructor Details

#initialize(number, method) ⇒ OptNewArraySend

Returns a new instance of OptNewArraySend.

# File 'lib/syntax_tree/yarv/instructions.rb', line 3835

def initialize(number, method)
  @number = number
  @method = method
end

Instance Attribute Details

#method ⇒ Object (readonly)

Returns the value of attribute method.

# File 'lib/syntax_tree/yarv/instructions.rb', line 3833

def method
  @method
end

#number ⇒ Object (readonly)

Returns the value of attribute number.

# File 'lib/syntax_tree/yarv/instructions.rb', line 3833

def number
  @number
end

Instance Method Details

#==(other) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3855

def ==(other)
  other.is_a?(OptNewArraySend) && other.number == number &&
    other.method == method
end

#call(vm) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3872

def call(vm)
  vm.push(vm.pop(number).__send__(method))
end

#deconstruct_keys(_keys) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3851

def deconstruct_keys(_keys)
  { number: number, method: method }
end

#disasm(fmt) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3840

def disasm(fmt)
  fmt.instruction(
    "opt_newarray_send",
    [fmt.object(number), fmt.object(method)]
  )
end

#length ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3860

def length
  3
end

#pops ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3864

def pops
  number
end

#pushes ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3868

def pushes
  1
end

#to_a(_iseq) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3847

def to_a(_iseq)
  [:opt_newarray_send, number, method]
end