Oxford Brookes MSc - Ruby YARV disassembly

block.rb

respond_to do |format|
    format.html #"send index.html"
    format.json {render json: @currencies} #send user currencies info, in .json format
end

login.rb

#login
def create
  user = User.authenticate(params[:email], params[:password])
  if user
    session[:user_id] = user.id
    redirect_to root_url, :notice => "Logged in!"
  else
    flash.now.alert = "Invalid email or password"
    render "new"
  end
end

yarv.rb

local table (size: 2, argc: 0 [opts: 0, rest: -1, post: 0, block: -1] s1) 
[ 2] user 
0004 putself 
0005 getinlinecache 14, <ic:0> 
0008 getconstant :RubyVM 
0010 getconstant :InstructionSequence 
0012 setinlinecache <ic:0> 
0014 putself 
0015 putobject :create 
0017 send :method, 1, nil, 8, <ic:1> 
0023 send :disasm, 1, nil, 0, <ic:2> 
0029 send :print, 1, nil, 8, <ic:3> 
0035 pop 
0038 getinlinecache 45, <ic:4> 
0041 getconstant :User 
0043 setinlinecache <ic:4> 
0045 putself 
0046 send :params, 0, nil, 24, <ic:5> 
0052 putobject :email 
0054 opt_aref <ic:19> 
0056 putself 
0057 send :params, 0, nil, 24, <ic:7> 
0063 putobject :password 
0065 opt_aref <ic:20> 
0067 send :authenticate, 2, nil, 0, <ic:9> 
0073 setlocal user 
0077 getlocal user 
0079 branchunless 131 
0083 putself 
0084 send :session, 0, nil, 24, <ic:11> 
0090 putobject :user_id 
0092 getlocal user 
0094 send :id, 0, nil, 0, <ic:10> 
0100 send :[]=, 2, nil, 0, <ic:12> 
0106 pop 
0109 putself 
0110 putself 
0111 send :root_url, 0, nil, 24, <ic:13> 
0117 putobject :notice 
0119 putstring "Logged in!" 
0121 newhash 2 
0123 send :redirect_to, 2, nil, 8, <ic:14> 
0129 jump 168 ( 7) 
0135 putself 
0136 send :flash, 0, nil, 24, <ic:15> 
0142 send :now, 0, nil, 0, <ic:16> 
0148 putstring "Invalid email or password"
0150 send :alert=, 1, nil, 0, <ic:17> 
0156 pop 
0159 putself 
0160 putstring "new" 
0162 send :render, 1, nil, 8, <ic:18> 
0170 leave ( 12)