Class: SyntaxTree::YARV::OptNewArraySend

Inherits:
Instruction show all
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

[a, b, c].max

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Instruction

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

Constructor Details

#initialize(number, method) ⇒ OptNewArraySend

Returns a new instance of OptNewArraySend.



3888
3889
3890
3891
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3888

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

Instance Attribute Details

#method ⇒ Object (readonly)

Returns the value of attribute method.



3886
3887
3888
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3886

def method
  @method
end

#number ⇒ Object (readonly)

Returns the value of attribute number.



3886
3887
3888
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3886

def number
  @number
end

Instance Method Details

#==(other) ⇒ Object 



3908
3909
3910
3911
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3908

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

#call(vm) ⇒ Object 



3925
3926
3927
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3925

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

#deconstruct_keys(_keys) ⇒ Object 



3904
3905
3906
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3904

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

#disasm(fmt) ⇒ Object 



3893
3894
3895
3896
3897
3898
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3893

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

#length ⇒ Object 



3913
3914
3915
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3913

def length
  3
end

#pops ⇒ Object 



3917
3918
3919
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3917

def pops
  number
end

#pushes ⇒ Object 



3921
3922
3923
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3921

def pushes
  1
end

#to_a(_iseq) ⇒ Object 



3900
3901
3902
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3900

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