mrubyとものづくり

2013/05/18 名古屋にて

Transcript

1. mrubyͱ΋ͷͮ͘Γ
   Yuichiro MASUI a.k.a. @masuidrive
   Saturday, May 18, 13
   

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2. Hi! I’m @masuidrive.
   • Yuichiro MASUI - Ichi
   • Open source developer, Ruby fun
   • Pukiwiki, Ruby on Rails tutorial movie in
   Japanese, IKEA hacker
   • Furo-grammer (Coding in hot tub)
   • FrogApps, Inc. CTO // ex-Appcelerati
   Saturday, May 18, 13
   

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3. Saturday, May 18, 13
   

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4. Saturday, May 18, 13
   

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5. Hi! I’m @masuidrive.
   • Yuichiro MASUI - Ichi
   • Open source developer, Ruby fun
   • Pukiwiki, Ruby on Rails tutorial movie in
   Japanese, IKEA hacker
   • Furo-grammer (Coding in hot tub)
   • FrogApps, Inc. CTO // ex-Appcelerati
   Saturday, May 18, 13
   

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6. Hi! I’m @masuidrive.
   • Yuichiro MASUI - Ichi
   • Open source developer, Ruby fun
   • Pukiwiki, Ruby on Rails tutorial movie in
   Japanese, IKEA hacker
   • Furo-grammer (Coding in hot tub)
   • FrogApps, Inc. CTO // ex-Appcelerati
   Saturday, May 18, 13
   

   View Slide

7. Hi! I’m @masuidrive.
   • Yuichiro MASUI - Ichi
   • Open source developer, Ruby fun
   • Pukiwiki, Ruby on Rails tutorial movie in
   Japanese, IKEA hacker
   • Furo-grammer (Coding in hot tub)
   • FrogApps, Inc. CTO // ex-Appcelerati
   Saturday, May 18, 13
   

   View Slide

8. Hi! I’m @masuidrive.
   • Yuichiro MASUI - Ichi
   • Open source developer, Ruby fun
   • Pukiwiki, Ruby on Rails tutorial movie in
   Japanese, IKEA hacker
   • Furo-grammer (Coding in hot tub)
   • FrogApps, Inc. CTO // ex-Appcelerati
   ϛΠϧ
   Saturday, May 18, 13
   

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9. Webܥͷํ
   Saturday, May 18, 13
   

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10. εϚϗܥͷํ
    Saturday, May 18, 13
    

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11. ૊ΈࠐΈܥͷํ
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12. mruby
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13. mruby
    • Ruby for less resources
    • ISO/JIS compliant
    • CRuby subset. Not included File, Socket,
    Thread and more ext libraries
    • OS / CPU Independent
    • Not required POSIX, only C99
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14. Configurable
    • Drop off unnecessary features
    • Parser / Compiler
    • Struct, Time, Math, STDIO, Regexp, sprintf
    • Table algorithm - hash or list
    • NaN Boxing
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15. mruby target
    • Embedded
    • Digital Appliance
    • Game console
    • Vendor machine
    • Bundle with applications
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16. mruby target
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17. mruby target
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18. mruby target
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19. mruby target
    • CPU - 32bit, FPU
    • Memory - 256KB - 1MB
    • OS
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20. mruby internals
    • VM structure - Multi VM instance
    • No C global variable
    • Generational incremental GC (Mark&Sweep)
    • Not thread safe
    • Build system build on CRuby
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21. development
    • Spring 2010 - Subsidy
    • Matz, some companies and colleges
    • April 22, 2012 - Publish to GitHub
    • mruby got some contributors
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22. mrbgems
    • Daniel (@bovi) created extension package
    feature at end of Nov 2012.
    • Easy to install from GitHub
    • Supported cross build
    • Already provided 40+ gems
    Saturday, May 18, 13
    

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23. mrbgems
    • Daniel (@bovi) created extension package
    feature at end of Nov 2012.
    • Easy to install from GitHub
    • Supported cross build
    • Already provided 40+ gems
    Saturday, May 18, 13
    

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24. topics
    • mrbgems - gembox
    • Refactoring for portability
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25. wrap up
    • mruby͕໨ࢦ͢ͷ͸਺೥ޙͷੈք
    • CRuby͸Ruby͕ओɺmruby͸ै
    • ૊ΈࠐΉઌ͸σόΠε͚ͩ͡Όͳ͍
    • ࢓ࠐΉͳΒࠓ
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26. Saturday, May 18, 13
    

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27. Saturday, May 18, 13
    

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28. When will you release RiteVM? I want to run it on iOS/
    Android.
    It’s mruby. I need more time to make public (probably
    June) Should I give you access to private repos?
    Yes! I want to try it!
    What’s your github account?
    Saturday, May 18, 13
    

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29. Saturday, May 18, 13
    

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30. What’s MobiRuby?
    • iOS app development kit on mruby
    • MIT license
    • Can access native functions
    • Have plan for Android version
    • Already released MobiRuby based app
    • Search “mobiruby” in AppStore on iOS
    Saturday, May 18, 13
    

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31. Vision
    • Provide Ruby power to Mobile devices
    • Meta programming is most important Ruby
    power
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32. Hello world
    \
    class  Cocoa::MyAlertView  <  Cocoa::UIAlertView
           define  C::Void,  :alertView,  Cocoa::Object,  
               :clickedButtonAtIndex,  C::Int  do  |me,  index|
                   if  index.to_i  ==  1
                           app  =  Cocoa::UIApplication._sharedApplication
                           urlstr  =  "http://mobiruby.org"
                           url  =  Cocoa::NSURL._URLWithString(urlstr)
                           app._openURL  url
                   end
           end
    end
    alert  =  Cocoa::MyAlertView._alloc._initWithTitle  "Hello",
       :message,  "I  am  MobiRuby",
       :delegate,  nil,
       :cancelButtonTitle,  "I  know!",
       :otherButtonTitles,  "What's?",  nil
    alert._setDelegate  alert
    alert._show
    Saturday, May 18, 13
    

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33. Hello world
    \
    class  Cocoa::MyAlertView  <  Cocoa::UIAlertView
           define  C::Void,  :alertView,  Cocoa::Object,  
               :clickedButtonAtIndex,  C::Int  do  |me,  index|
                   if  index.to_i  ==  1
                           app  =  Cocoa::UIApplication._sharedApplication
                           urlstr  =  "http://mobiruby.org"
                           url  =  Cocoa::NSURL._URLWithString(urlstr)
                           app._openURL  url
                   end
           end
    end
    alert  =  Cocoa::MyAlertView._alloc._initWithTitle  "Hello",
       :message,  "I  am  MobiRuby",
       :delegate,  nil,
       :cancelButtonTitle,  "I  know!",
       :otherButtonTitles,  "What's?",  nil
    alert._setDelegate  alert
    alert._show
    Saturday, May 18, 13
    

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34. class  Cocoa::MyAlertView  <  Cocoa::UIAlertView
       define  C::Void,  :alertView,  Cocoa::Object,  
           :clickedButtonAtIndex,  C::Int  do  |me,  idx|
           if  idx.to_i  ==  1
               app  =  Cocoa::UIApplication._sharedApplica
               urlstr  =  "http://mobiruby.org"
               url  =  Cocoa::NSURL._URLWithString(urlstr)
               app._openURL  url
           end
       end
    end
    class  Cocoa::MyAlertView  <  Cocoa::UIAlertView
       define  C::Void,  :alertView,  Cocoa::Object,  
           :clickedButtonAtIndex,  C::Int  do  |me,  idx|
           if  idx.to_i  ==  1
               app  =  Cocoa::UIApplication._sharedApplica
               urlstr  =  "http://mobiruby.org"
               url  =  Cocoa::NSURL._URLWithString(urlstr)
               app._openURL  url
           end
       end
    end
    Hello world - 1st half
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35. class  Cocoa::MyAlertView  <  Cocoa::UIAlertView
       define  C::Void,  :alertView,  Cocoa::Object,  
           :clickedButtonAtIndex,  C::Int  do  |me,  idx|
           if  idx.to_i  ==  1
               app  =  Cocoa::UIApplication._sharedApplica
               urlstr  =  "http://mobiruby.org"
               url  =  Cocoa::NSURL._URLWithString(urlstr)
               app._openURL  url
           end
       end
    end
    Hello world - 1st half
    class  Cocoa::MyAlertView  <  Cocoa::UIAlertView
    Saturday, May 18, 13
    

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36. class  Cocoa::MyAlertView  <  Cocoa::UIAlertView
       define  C::Void,  :alertView,  Cocoa::Object,  
           :clickedButtonAtIndex,  C::Int  do  |me,  idx|
           if  idx.to_i  ==  1
               app  =  Cocoa::UIApplication._sharedApplica
               urlstr  =  "http://mobiruby.org"
               url  =  Cocoa::NSURL._URLWithString(urlstr)
               app._openURL  url
           end
       end
    end
       define  C::Void,  :alertView,  Cocoa::Object,  
           :clickedButtonAtIndex,  C::Int  do  |me,  idx|
    Hello world - 1st half
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37. Hello world - 2nd half
    \
    alert  =  Cocoa::MyAlertView._alloc.
       _initWithTitle  "Hello",
       :message,  "I  am  MobiRuby",
       :delegate,  nil,
       :cancelButtonTitle,  "I  know!",
       :otherButtonTitles,  "What's?",  nil
    alert._setDelegate  alert
    alert._show
    alert  =  Cocoa::MyAlertView._alloc.
       _initWithTitle  "Hello",
       :message,  "I  am  MobiRuby",
       :delegate,  nil,
       :cancelButtonTitle,  "I  know!",
       :otherButtonTitles,  "What's?",  nil
    alert._setDelegate  alert
    alert._show
    Saturday, May 18, 13
    

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38. Hello world - 2nd half
    \
    alert  =  Cocoa::MyAlertView._alloc.
       _initWithTitle  "Hello",
       :message,  "I  am  MobiRuby",
       :delegate,  nil,
       :cancelButtonTitle,  "I  know!",
       :otherButtonTitles,  "What's?",  nil
    alert._setDelegate  alert
    alert._show
    alert  =  Cocoa::MyAlertView._alloc.
       _initWithTitle  "Hello",
       :message,  "I  am  MobiRuby",
       :delegate,  nil,
       :cancelButtonTitle,  "I  know!",
       :otherButtonTitles,  "What's?",  nil
    alert._setDelegate  alert
    alert._show
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39. Next step
    \
    class  MyAlertView  <  MobiRuby::AlertView
       title  "Hello"
       message  "I  am  MobiRuby"
       cancelButton  "I  know!"  do
       end
       button  "What's?"  do
           openURL  "http://mobiruby.org"
       end
    end
    alert  =  MyAlertView.new
    alert.show
    Saturday, May 18, 13
    

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40. MobiRuby stack
    iOS
    mruby
    mruby-
    cfunc
    Your code
    mruby-
    cocoa
    mobiruby-
    common
    mobiruby-
    ios
    Saturday, May 18, 13
    

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41. MobiRuby stack
    iOS
    mruby
    mruby-
    cfunc
    Your code
    mruby-
    cocoa
    mobiruby-
    common
    mobiruby-
    ios
    Saturday, May 18, 13
    

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42. MobiRuby stack
    iOS
    mruby
    mruby-
    cfunc
    Your code
    mruby-
    cocoa
    mobiruby-
    common
    mobiruby-
    ios
    Saturday, May 18, 13
    

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43. mruby-cfunc
    • C function bridge for mruby
    • Call C based function directly
    • Based on libFFI
    • Same as Ruby/DL library on CRuby
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44. mruby-cfunc
    str  =  "STRING"
    CFunc::call(CFunc::Void,  "puts",  str)
    STRING
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45. mruby-cfunc
    str  =  "STRING"
    ptr  =  CFunc::Pointer.malloc(7)
    result_ptr  =  CFunc::call(CFunc::Pointer,  
    "strcpy",  ptr,  str)
    ptr.to_s
    -­‐>  “STRING”
    Saturday, May 18, 13
    

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46. mruby-cfunc
    \
    class  TestStruct  <  CFunc::Struct
           define  CFunc::SInt8,    :x,
                         CFunc::SInt16,  :y
    end
    test  =  TestStruct.new
    test[:x]  =  10
    Saturday, May 18, 13
    

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47. MobiRuby stack
    iOS
    mruby
    mruby-
    cfunc
    Your code
    mruby-
    cocoa
    mobiruby-
    common
    mobiruby-
    ios
    Saturday, May 18, 13
    

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48. mruby-cocoa
    • Cocoa bridge for mruby
    • Use Cocoa functions transparently
    • Based on mruby-cfunc and Cocoa runtime
    • Manipulate Cocoa objects
    • Create class/instance, inherit existing classes
    • Garbage collection
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49. Bridge Cocoa runtime
    • Objective-C has powerful runtime features
    • Create and modify class dynamically
    • ObjC class <- Ruby class <- ObjC class
    • ObjC value interconverted with Ruby value
    • Supported delegate and blocks
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50. Memory
    management
    • Objective-C - Reference count
    • mruby - Mark & Sweep
    • Swizzled Objective-C “release” method
    • awful performance bottleneck
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51. MobiRuby stack
    iOS
    mruby
    mruby-
    cfunc
    Your code
    mruby-
    cocoa
    mobiruby-
    common
    mobiruby-
    ios
    Saturday, May 18, 13
    

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52. mobiruby-common
    • Will be common utilities with Android ver.
    • require method
    • Some POSIX based functions
    Saturday, May 18, 13
    

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53. MobiRuby stack
    iOS
    mruby
    mruby-
    cfunc
    Your code
    mruby-
    cocoa
    mobiruby-
    common
    mobiruby-
    ios
    Saturday, May 18, 13
    

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54. mobiruby-ios
    • iOS specific utilities
    • Bootstrap
    • Xcode integration
    • Wrapped classes
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55. Wrapped APIs
    \
    class  MyAlertView  <  MobiRuby::AlertView
       title  "Hello"
       message  "I  am  MobiRuby"
       cancelButton  "I  know!"  do
       end
       button  "What's?"  do
           openURL  "http://mobiruby.org"
       end
    end
    alert  =  MyAlertView.new
    alert.show
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56. Road map
    • Finished building Cocoa bridge
    • Fix bugs, Improvement
    • Packaging
    • Documentation
    • Build wrapped APIs
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57. Road map
    • Finished building Cocoa bridge
    • Fix bugs, Improvement
    • Packaging
    • Documentation
    • Build wrapped APIs
    Version 1
    Q1 2013
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58. Road map
    • Finished building Cocoa bridge
    • Fix bugs, Improvement
    • Packaging
    • Documentation
    • Build wrapped APIs
    Version 1
    Summer
    2013
    Saturday, May 18, 13
    

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59. Current status
    • Already MobiRuby based app is in AppStore
    • Finally released alpha 1
    • Can call almost iOS native functions
    • Writing test codes
    • It's only for iOS and mruby hackers
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60. Pros.
    • Ruby power
    • Based on Matz implemented Ruby
    • mrbgems
    • MIT license
    • Compact (~4000 lines)
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61. Cons.
    • Unstable
    • Less classes / functions
    • Don't have debugging feature
    • Need to understand iOS and Cocoa
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62. Topics
    • ΋ͷͮ͘ΓΛऔΓרٕ͘ज़
    • Ϋϥ΢υϑΝ΢ϯσΟϯά
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63. PCܥٕज़ͷԠ༻
    • ૊ΈࠐΈ༻؀ڥ͸ҰੲલͷPCฒ
    • ։ൃ؀ڥ
    • ARM
    • खܰͳ࣮ߦ؀ڥ
    • Arduino, Raspberry Pi
    Saturday, May 18, 13
    

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64. ݸਓతͳτϐοΫ
    • Bluetooth 4.0
    • BLE
    • iOS6Ͱαϙʔτ
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65. ਎ମੑ
    • ΋ͷͮ͘Γͷָ͠͞͸਎ମੑ
    • ͭ͘Δ਎ମੑ
    • σόΠεͷ਎ମੑ
    Saturday, May 18, 13
    

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66. Saturday, May 18, 13
    

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67. झຯ͔Β
    • झຯ͔Β࢓ࣄͷੈք͕มΘΔ
    • PCͰ͸90೥୅ʹ஍֪มಈ͕ىͬͨ͜
    Saturday, May 18, 13
    

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68. ڥքʹ͍Δ
    • ෳ਺ͷٕज़΍ཁٻͷڥքʹ৽͍͠࢓ࣄ͕ੜ·
    ΕΔ
    • ໘ന͍ద౓ͳαΠζͷ໰୊Λݟ͚ͭΔ
    Saturday, May 18, 13
    

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69. Ϋϥ΢υϑΝ΢ϯσΟϯά
    • Kick starterɹ
    • ੜ࢈ͷϋʔυϧ͕େ͖͘Լ͕Δ
    • ϦϦʔεޙʹࠅධΛड͚Δ͜ͱ΋͋Δ
    Saturday, May 18, 13
    

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70. Saturday, May 18, 13
    

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71. ·ͬͨؔ͘܎ͳ͍࿩
    http://wri.pe
    Saturday, May 18, 13
    

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72. Thank you
    • Logo design: Maylis Agniel
    • English review: @tenderlove and ebi-chan
    • http://mobiruby.org
    • http://github.com/mobiruby
    • http://twitter.com/mobiruby
    • http://fb.me/mobiruby
    Saturday, May 18, 13
    

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