class SyntaxTree::YARV::SetBlockParam

### Summary

‘setblockparam` sets the value of a block 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 def foo(&bar)

bar = baz

end ~~~

Attributes

index [R]

level [R]

Public Class Methods

new (index, level)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5055
def initialize(index, level)
  @index = index
  @level = level
end

Public Instance Methods

== (other)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5074
def ==(other)
  other.is_a?(SetBlockParam) && other.index == index &&
    other.level == level
end

call (vm)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5087
def call(vm)
  vm.local_set(index, level, vm.pop)
end

deconstruct_keys (_keys)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5070
def deconstruct_keys(_keys)
  { index: index, level: level }
end

disasm (fmt)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5060
def disasm(fmt)
  fmt.instruction("setblockparam", [fmt.local(index, explicit: level)])
end

length ()

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5079
def length
  3
end

pops ()

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5083
def pops
  1
end

to_a (iseq)

Source

# File lib/syntax_tree/yarv/instructions.rb, line 5064
def to_a(iseq)
  current = iseq
  level.times { current = current.parent_iseq }
  [:setblockparam, current.local_table.offset(index), level]
end