class SyntaxTree::YARV::Legacy::OptGetInlineCache

### Summary

‘opt_getinlinecache` is a wrapper around a series of `putobject` and `getconstant` instructions that allows skipping past them if the inline cache is currently set. It pushes the value of the cache onto the stack if it is set, otherwise it pushes `nil`.

This instruction is no longer used since in Ruby 3.2 it was replaced by the consolidated ‘opt_getconstant_path` instruction.

### Usage

~~~ruby Constant ~~~

Attributes

cache[R]

label[R]

Public Class Methods

new(label, cache) click to toggle source

# File lib/syntax_tree/yarv/legacy.rb, line 81
def initialize(label, cache)
  @label = label
  @cache = cache
end

Public Instance Methods

==(other) click to toggle source

# File lib/syntax_tree/yarv/legacy.rb, line 101
def ==(other)
  other.is_a?(OptGetInlineCache) && other.label == label &&
    other.cache == cache
end

branch_targets() click to toggle source

# File lib/syntax_tree/yarv/legacy.rb, line 118
def branch_targets
  [label]
end

call(vm) click to toggle source

# File lib/syntax_tree/yarv/legacy.rb, line 114
def call(vm)
  vm.push(nil)
end

deconstruct_keys(_keys) click to toggle source

# File lib/syntax_tree/yarv/legacy.rb, line 97
def deconstruct_keys(_keys)
  { label: label, cache: cache }
end

disasm(fmt) click to toggle source

# File lib/syntax_tree/yarv/legacy.rb, line 86
def disasm(fmt)
  fmt.instruction(
    "opt_getinlinecache",
    [fmt.label(label), fmt.inline_storage(cache)]
  )
end

falls_through?() click to toggle source

# File lib/syntax_tree/yarv/legacy.rb, line 122
def falls_through?
  true
end

length() click to toggle source

# File lib/syntax_tree/yarv/legacy.rb, line 106
def length
  3
end

pushes() click to toggle source

# File lib/syntax_tree/yarv/legacy.rb, line 110
def pushes
  1
end

to_a(_iseq) click to toggle source

# File lib/syntax_tree/yarv/legacy.rb, line 93
def to_a(_iseq)
  [:opt_getinlinecache, label.name, cache]
end