Class: SyntaxTree::YARV::Legacy::OptSetInlineCache

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

Overview

### Summary

‘opt_setinlinecache` sets an inline cache for a constant lookup. It pops the value it should set off the top of the stack. It uses this value to set the cache. It then pushes that value back onto the top of the stack.

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

### Usage

~~~ruby Constant ~~~

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Instruction

#branch_targets, #canonical, #falls_through?, #leaves?, #side_effects?

Constructor Details

#initialize(cache) ⇒ OptSetInlineCache

Returns a new instance of OptSetInlineCache.



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# File 'lib/syntax_tree/yarv/legacy.rb', line 145

def initialize(cache)
  @cache = cache
end

Instance Attribute Details

#cache ⇒ Object (readonly)

Returns the value of attribute cache.



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# File 'lib/syntax_tree/yarv/legacy.rb', line 143

def cache
  @cache
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/syntax_tree/yarv/legacy.rb', line 161

def ==(other)
  other.is_a?(OptSetInlineCache) && other.cache == cache
end

#call(vm) ⇒ Object 



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# File 'lib/syntax_tree/yarv/legacy.rb', line 177

def call(vm)
end

#deconstruct_keys(_keys) ⇒ Object 



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# File 'lib/syntax_tree/yarv/legacy.rb', line 157

def deconstruct_keys(_keys)
  { cache: cache }
end

#disasm(fmt) ⇒ Object 



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# File 'lib/syntax_tree/yarv/legacy.rb', line 149

def disasm(fmt)
  fmt.instruction("opt_setinlinecache", [fmt.inline_storage(cache)])
end

#length ⇒ Object 



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# File 'lib/syntax_tree/yarv/legacy.rb', line 165

def length
  2
end

#pops ⇒ Object 



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# File 'lib/syntax_tree/yarv/legacy.rb', line 169

def pops
  1
end

#pushes ⇒ Object 



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# File 'lib/syntax_tree/yarv/legacy.rb', line 173

def pushes
  1
end

#to_a(_iseq) ⇒ Object 



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# File 'lib/syntax_tree/yarv/legacy.rb', line 153

def to_a(_iseq)
  [:opt_setinlinecache, cache]
end