Ruby em todos os lugares e dispositivos

Transcript

1. RUBY EM TODOS OS LUGARES E DISPOSITIVOS @carlosbrando e @luisbebop
4. Por que VMs?
12. 03 de Novembro de 2012 RubyConf Brazil mRuby JavaScript Picol
13. Por que tinyvm? 03 de Novembro de 2012 RubyConf Brazil https://github.com/GenTiradentes/tinyvm.git
15. 03 de Novembro de 2012 640K ought to be enough for anybody. “ ” Bill Gates, 1981 RubyConf Brazil whatever
17. Ruby => Assembly 03 de Novembro de 2012 RubyConf Brazil
19. Tipos complexos Strings Float Arrays Hashs
20. ARRAY DE VARIÁVEIS 0 1 2 10 HASHTABLE 0x75EC78 0x80BACD 0x75EC78 *STRING 0x80BACD *HASH (void *) (void *)
21. Treetop YARV Melbourne (Rubinius) Sexp Processor Parse tree
22. YARV YARV Koichi Sasada
25. Vamos começar com algo bem simples
26. Vamos começar com algo bem simples
27. puts "Hello RubyConf" STACK HEAP RUBY
28. == disasm: @>========== 0000 putnil ( 1) 0001 putstring "Hello RubyConf" 0003 send :puts, 1, nil, 8, 0009 leave STACK HEAP YARV
29. .LC0: .string "Hello RubyConf" start: push .LC0 pop eax prn eax jmp leave leave: STACK HEAP ASSEMBLY
30. .LC0: .string "Hello RubyConf" start: push .LC0 pop eax prn eax jmp leave leave: STACK HEAP ASSEMBLY
31. STACK .LC0: .string "Hello RubyConf" start: push .LC0 pop eax prn eax jmp leave leave: HEAP ASSEMBLY "Hello RubyConf"
32. .LC0: .string "Hello RubyConf" start: push .LC0 pop eax prn eax jmp leave leave: HEAP ASSEMBLY STACK eax = "Hello RubyConf"
33. .LC0: .string "Hello RubyConf" start: push .LC0 pop eax prn eax jmp leave leave: HEAP ASSEMBLY STACK eax = "Hello RubyConf"
34. .LC0: .string "Hello RubyConf" start: push .LC0 pop eax prn eax pop ebp jmp leave leave: HEAP ASSEMBLY STACK eax = "Hello RubyConf" > Hello RubyConf
35. .LC0: .string "Hello RubyConf" start: push .LC0 pop eax prn eax jmp leave leave: HEAP ASSEMBLY STACK eax = "Hello RubyConf"
36. .LC0: .string "Hello RubyConf" start: push .LC0 pop eax prn eax jmp leave leave: HEAP ASSEMBLY eax = "Hello RubyConf" STACK
38. Vamos complicar um pouco
39. def say_hello(name) puts "Hello, " + name end say_hello("Brando e Luis") STACK HEAP RUBY
40. STACK HEAP == disasm: @>========== 0000 putspecialobject 1 ( 1) 0002 putspecialobject 2 0004 putobject :say_hello 0006 putiseq say_hello 0008 send :"core#define_method", 3, nil, 0, 0014 pop 0015 putnil ( 5) 0016 putstring "Brando e Luis" 0018 send :say_hello, 1, nil, 8, 0024 leave == disasm: >=========== local table (size: 2, argc: 1 [opts: 0, rest: -1, post: 0, block: -1] s1) [ 2] name 0000 putnil ( 2) 0001 putstring "Hello, " 0003 getlocal name 0005 opt_plus 0007 send :puts, 1, nil, 8, 0013 leave YARV
41. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret start: push .LC0 call say_hello jmp leave leave: STACK HEAP ASSEMBLY
42. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " start: push .LC0 call say_hello jmp leave leave: STACK HEAP ASSEMBLY
43. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " start: push .LC0 call say_hello jmp leave leave: STACK HEAP ASSEMBLY
44. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " start: push .LC0 call say_hello jmp leave leave: STACK HEAP ASSEMBLY "Brando e Luis"
45. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " start: push .LC0 call say_hello jmp leave leave: STACK HEAP ASSEMBLY "Brando e Luis" 0xFF
46. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY "Brando e Luis" 0xFF
47. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY "Brando e Luis" r10 = 0xFF
48. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis"
49. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, "
50. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, " ebx = "Brando e Luis"
51. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY edi = "Hello, Brando e Luis" r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, " ebx = "Brando e Luis"
52. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, Brando e Luis" ebx = "Brando e Luis" edi = "Hello, Brando e Luis"
53. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, Brando e Luis" ebx = "Brando e Luis" edi = "Hello, Brando e Luis"
54. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, Brando e Luis" ebx = "Brando e Luis" edi = "Hello, Brando e Luis" edi = "Hello, Brando e Luis" > Hello, Brando e Luis
55. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, Brando e Luis" ebx = "Brando e Luis" 0xFF edi = "Hello, Brando e Luis"
56. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " say_hello: pop r10 pop [20002] mov eax, .LC1 mov ebx, [20002] strcat eax, ebx mov eax, edi prn eax push r10 ret STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, Brando e Luis" ebx = "Brando e Luis" 0xFF edi = "Hello, Brando e Luis"
57. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " start: push .LC0 call say_hello jmp leave leave: STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, Brando e Luis" ebx = "Brando e Luis" edi = "Hello, Brando e Luis"
58. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " start: push .LC0 call say_hello jmp leave leave: STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, Brando e Luis" ebx = "Brando e Luis" edi = "Hello, Brando e Luis"
59. .LC0: .string "Brando e Luis" .LC1: .string "Hello, " start: push .LC0 call say_hello jmp leave leave: STACK HEAP ASSEMBLY r10 = 0xFF [20002] = "Brando e Luis" eax = "Hello, Brando e Luis" ebx = "Brando e Luis" edi = "Hello, Brando e Luis"
61. HARDCORE!!!
63. Perguntas?
64. @carlosbrando @luisbebop Obrigado!