class SyntaxTree::YARV::OptSize

### Summary

‘opt_size` is a specialization of `opt_send_without_block`, when the `size` method is called. There are fast paths when the receiver is either a string, hash, or array. It pops the receiver off the stack and pushes on the result.

### Usage

~~~ruby “”.size ~~~

Attributes

calldata[R]

Public Class Methods

new(calldata) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 4231
def initialize(calldata)
  @calldata = calldata
end

Public Instance Methods

==(other) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 4247
def ==(other)
  other.is_a?(OptSize) && other.calldata == calldata
end

call(vm) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 4267
def call(vm)
  canonical.call(vm)
end

canonical() click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 4263
def canonical
  Send.new(calldata, nil)
end

deconstruct_keys(_keys) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 4243
def deconstruct_keys(_keys)
  { calldata: calldata }
end

disasm(fmt) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 4235
def disasm(fmt)
  fmt.instruction("opt_size", [fmt.calldata(calldata)])
end

length() click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 4251
def length
  2
end

pops() click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 4255
def pops
  1
end

pushes() click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 4259
def pushes
  1
end

to_a(_iseq) click to toggle source

# File lib/syntax_tree/yarv/instructions.rb, line 4239
def to_a(_iseq)
  [:opt_size, calldata.to_h]
end