class SyntaxTree::YARV::SetLocal

### Summary

‘setlocal` sets the value of a local variable on a frame determined by the level and index arguments. The level is the number of frames back to look and the index is the index in the local table. It pops the value it is setting off the stack.

### Usage

~~~ruby value = 5 tap { tap { value = 10 } } ~~~

Attributes

index [R]

level [R]

Public Class Methods

new (index, level)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5320
def initialize(index, level)
  @index = index
  @level = level
end

Public Instance Methods

== (other)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5339
def ==(other)
  other.is_a?(SetLocal) && other.index == index && other.level == level
end

call (vm)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5351
def call(vm)
  vm.local_set(index, level, vm.pop)
end

deconstruct_keys (_keys)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5335
def deconstruct_keys(_keys)
  { index: index, level: level }
end

disasm (fmt)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5325
def disasm(fmt)
  fmt.instruction("setlocal", [fmt.local(index, explicit: level)])
end

length ()

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5343
def length
  3
end

pops ()

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5347
def pops
  1
end

to_a (iseq)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5329
def to_a(iseq)
  current = iseq
  level.times { current = current.parent_iseq }
  [:setlocal, current.local_table.offset(index), level]
end