Class: SyntaxTree::YARV::OptNewArrayMax

Inherits:

Object

• Object
• SyntaxTree::YARV::OptNewArrayMax

Defined in:

lib/syntax_tree/yarv/instructions.rb

Overview

### Summary

opt_newarray_max is a specialization that occurs when the max method is called on an array literal. It pops the values of the array off the stack and pushes on the result.

### Usage

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

Instance Attribute Summary

• #number ⇒ Object readonly

  Returns the value of attribute number.

Instance Method Summary

• #call(vm) ⇒ Object
• #canonical ⇒ Object
• #disasm(fmt) ⇒ Object
• #initialize(number) ⇒ OptNewArrayMax constructor

  A new instance of OptNewArrayMax.

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

Constructor Details

#initialize(number) ⇒ OptNewArrayMax

# File 'lib/syntax_tree/yarv/instructions.rb', line 3545

def initialize(number)
  @number = number
end

Instance Attribute Details

#number ⇒ Object (readonly)

Returns the value of attribute number.

# File 'lib/syntax_tree/yarv/instructions.rb', line 3543

def number
  @number
end

Instance Method Details

#call(vm) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3573

def call(vm)
  vm.push(vm.pop(number).max)
end

#canonical ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3569

def canonical
  self
end

#disasm(fmt) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3549

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

#length ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3557

def length
  2
end

#pops ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3561

def pops
  number
end

#pushes ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3565

def pushes
  1
end

#to_a(_iseq) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 3553

def to_a(_iseq)
  [:opt_newarray_max, number]
end