Class: SyntaxTree::YARV::OptNot

Inherits:

Object

• Object
• SyntaxTree::YARV::OptNot

Defined in:

lib/syntax_tree/yarv/instructions.rb

Overview

### Summary

opt_not negates the value on top of the stack by calling the ‘!` method on it. It pops the receiver off the stack and pushes on the result.

### Usage

~~~ruby !true ~~~

Instance Attribute Summary

• #calldata ⇒ Object readonly

  Returns the value of attribute calldata.

Instance Method Summary

• #==(other) ⇒ Object
• #call(vm) ⇒ Object
• #canonical ⇒ Object
• #deconstruct_keys(_keys) ⇒ Object
• #disasm(fmt) ⇒ Object
• #initialize(calldata) ⇒ OptNot constructor

  A new instance of OptNot.

• #length ⇒ Object
• #pops ⇒ Object
• #pushes ⇒ Object
• #to_a(_iseq) ⇒ Object

Constructor Details

#initialize(calldata) ⇒ OptNot

# File 'lib/syntax_tree/yarv/instructions.rb', line 4218

def initialize(calldata)
  @calldata = calldata
end

Instance Attribute Details

#calldata ⇒ Object (readonly)

Returns the value of attribute calldata.

# File 'lib/syntax_tree/yarv/instructions.rb', line 4216

def calldata
  @calldata
end

Instance Method Details

#==(other) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 4234

def ==(other)
  other.is_a?(OptNot) && other.calldata == calldata
end

#call(vm) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 4254

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

#canonical ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 4250

def canonical
  Send.new(calldata, nil)
end

#deconstruct_keys(_keys) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 4230

def deconstruct_keys(_keys)
  { calldata: calldata }
end

#disasm(fmt) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 4222

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

#length ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 4238

def length
  2
end

#pops ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 4242

def pops
  1
end

#pushes ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 4246

def pushes
  1
end

#to_a(_iseq) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 4226

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