Class: SyntaxTree::YARV::OptDiv

Inherits:
Object
  • Object
show all
Defined in:
lib/syntax_tree/yarv/instructions.rb

Overview

### Summary

opt_div is a specialization of the opt_send_without_block instruction that occurs when the / operator is used. There are fast paths for if both operands are integers, or if both operands are floats. It pops both the receiver and the argument off the stack and pushes on the result.

### Usage

~~~ruby 2 / 3 ~~~

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(calldata) ⇒ OptDiv

Returns a new instance of OptDiv.



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# File 'lib/syntax_tree/yarv/instructions.rb', line 2846

def initialize(calldata)
  @calldata = calldata
end

Instance Attribute Details

#calldata ⇒ Object (readonly)

Returns the value of attribute calldata.



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# File 'lib/syntax_tree/yarv/instructions.rb', line 2844

def calldata
  @calldata
end

Instance Method Details

#call(vm) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 2874

def call(vm)
  canonical.call(vm)
end

#canonical ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 2870

def canonical
  Send.new(calldata, nil)
end

#disasm(fmt) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 2850

def disasm(fmt)
  fmt.instruction("opt_div", [fmt.calldata(calldata)])
end

#length ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 2858

def length
  2
end

#pops ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 2862

def pops
  2
end

#pushes ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 2866

def pushes
  1
end

#to_a(_iseq) ⇒ Object 



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# File 'lib/syntax_tree/yarv/instructions.rb', line 2854

def to_a(_iseq)
  [:opt_div, calldata.to_h]
end