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

~~~ruby [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.



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# 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.



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

def method
  @method
end

#number ⇒ Object (readonly)

Returns the value of attribute number.



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

def number
  @number
end

Instance Method Details

#==(other) ⇒ Object 



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# 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 



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

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

#deconstruct_keys(_keys) ⇒ Object 



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

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

#disasm(fmt) ⇒ Object 



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# 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 



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

def length
  3
end

#pops ⇒ Object 



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

def pops
  number
end

#pushes ⇒ Object 



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

def pushes
  1
end

#to_a(_iseq) ⇒ Object 



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

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