class SyntaxTree::YARV::GetLocal

### Summary

‘getlocal` fetches the value of a local variable from 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 pushes the value it finds onto the stack.

### Usage

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

Attributes

index [R]

level [R]

Public Class Methods

new (index, level)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 1884
def initialize(index, level)
  @index = index
  @level = level
end

Public Instance Methods

== (other)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 1903
def ==(other)
  other.is_a?(GetLocal) && other.index == index && other.level == level
end

call (vm)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 1915
def call(vm)
  vm.push(vm.local_get(index, level))
end

deconstruct_keys (_keys)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 1899
def deconstruct_keys(_keys)
  { index: index, level: level }
end

disasm (fmt)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 1889
def disasm(fmt)
  fmt.instruction("getlocal", [fmt.local(index, explicit: level)])
end

length ()

Source

# File lib/syntax_tree/yarv/instructions.rb, line 1907
def length
  3
end

pushes ()

Source

# File lib/syntax_tree/yarv/instructions.rb, line 1911
def pushes
  1
end

to_a (iseq)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 1893
def to_a(iseq)
  current = iseq
  level.times { current = current.parent_iseq }
  [:getlocal, current.local_table.offset(index), level]
end