class SyntaxTree::YARV::Send


~~~
“hello”.tap { |i| p i }
~~~ruby
### Usage
the optional block instruction sequence.
onto the stack. It has two arguments: the calldata for the call site and
the arguments for the method off the stack and pushes the return value
`send` invokes a method with an optional block. It pops its receiver and
### Summary

def ==(other) 

def ==(other)
  other.is_a?(Send) && other.calldata == calldata &&
    other.block_iseq == block_iseq
end

def call(vm) 

def call(vm)
  block =
    if (iseq = block_iseq)
      frame = vm.frame
      ->(*args, **kwargs, &blk) do
        vm.run_block_frame(iseq, frame, *args, **kwargs, &blk)
      end
    elsif calldata.flag?(CallData::CALL_ARGS_BLOCKARG)
      vm.pop
    end
  keywords =
    if calldata.kw_arg
      calldata.kw_arg.zip(vm.pop(calldata.kw_arg.length)).to_h
    else
      {}
    end
  arguments = vm.pop(calldata.argc)
  receiver = vm.pop
  vm.push(
    receiver.__send__(calldata.method, *arguments, **keywords, &block)
  )
end

def deconstruct_keys(_keys) 

def deconstruct_keys(_keys)
  { calldata: calldata, block_iseq: block_iseq }
end

def disasm(fmt) 

def disasm(fmt)
  fmt.enqueue(block_iseq) if block_iseq
  fmt.instruction(
    "send",
    [fmt.calldata(calldata), block_iseq&.name || "nil"]
  )
end

def initialize(calldata, block_iseq) 

def initialize(calldata, block_iseq)
  @calldata = calldata
  @block_iseq = block_iseq
end

def length 

def length
  3
end

def pops 

def pops
  argb = (calldata.flag?(CallData::CALL_ARGS_BLOCKARG) ? 1 : 0)
  argb + calldata.argc + 1
end

def pushes 

def pushes
  1
end

def to_a(_iseq) 

def to_a(_iseq)
  [:send, calldata.to_h, block_iseq&.to_a]
end