class SyntaxTree::YARV::OptLTLT

### Summary

‘opt_ltlt` is a specialization of the `opt_send_without_block` instruction that occurs when the `<<` operator is used. Fast paths exists when the receiver is either a String or an Array. It pops both the receiver and the argument off the stack and pushes on the result.

### Usage

~~~ruby “” << 2 ~~~

Attributes

calldata[R]

Public Class Methods

new(calldata) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 3545
def initialize(calldata)
  @calldata = calldata
end

Public Instance Methods

==(other) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 3561
def ==(other)
  other.is_a?(OptLTLT) && other.calldata == calldata
end

call(vm) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 3581
def call(vm)
  canonical.call(vm)
end

canonical() click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 3577
def canonical
  Send.new(calldata, nil)
end

deconstruct_keys(_keys) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 3557
def deconstruct_keys(_keys)
  { calldata: calldata }
end

disasm(fmt) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 3549
def disasm(fmt)
  fmt.instruction("opt_ltlt", [fmt.calldata(calldata)])
end

length() click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 3565
def length
  2
end

pops() click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 3569
def pops
  2
end

pushes() click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 3573
def pushes
  1
end

to_a(_iseq) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 3553
def to_a(_iseq)
  [:opt_ltlt, calldata.to_h]
end