Class: SyntaxTree::YARV::OptLE

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

Overview

### Summary

opt_le is a specialization of the opt_send_without_block instruction that occurs when the <= operator is used. Fast paths exist when both operands are integers or floats. It pops both the receiver and the argument off the stack and pushes on the result.

### Usage

~~~ruby 3 <= 4 ~~~

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(calldata) ⇒ OptLE

Returns a new instance of OptLE.



3586
3587
3588
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3586

def initialize(calldata)
  @calldata = calldata
end

Instance Attribute Details

#calldata ⇒ Object (readonly)

Returns the value of attribute calldata.



3584
3585
3586
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3584

def calldata
  @calldata
end

Instance Method Details

#==(other) ⇒ Object 



3602
3603
3604
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3602

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

#call(vm) ⇒ Object 



3622
3623
3624
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3622

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

#canonical ⇒ Object 



3618
3619
3620
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3618

def canonical
  Send.new(calldata, nil)
end

#deconstruct_keys(_keys) ⇒ Object 



3598
3599
3600
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3598

def deconstruct_keys(_keys)
  { calldata: calldata }
end

#disasm(fmt) ⇒ Object 



3590
3591
3592
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3590

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

#length ⇒ Object 



3606
3607
3608
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3606

def length
  2
end

#pops ⇒ Object 



3610
3611
3612
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3610

def pops
  2
end

#pushes ⇒ Object 



3614
3615
3616
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3614

def pushes
  1
end

#to_a(_iseq) ⇒ Object 



3594
3595
3596
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 3594

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