David Fetter Parrot is a virtual machine for dynamic languages. PL/Parrot will let you write procedures in one language and call them from another. Yes, there's actual running code!

1. PL/Parrot
JDCon East, Philadelphia
March 25, 2010
Copyright © 2010
David Fetter david.fetter@pgexperts.com
All Rights Reserved
Thursday, March 25, 2010

2. Thursday, March 25, 2010

3. Um, WTF?!?
Thursday, March 25, 2010

4. Parrot
Thursday, March 25, 2010

5. Parrot
• A Virtual Machine for Dynamic Languages
Thursday, March 25, 2010

6. Parrot
• A Virtual Machine for Dynamic Languages
• Register based
Thursday, March 25, 2010

7. Parrot
• A Virtual Machine for Dynamic Languages
• Register based
• Really, really #&^%#@%^ cool.
Thursday, March 25, 2010

8. PostgreSQL
Thursday, March 25, 2010

9. PostgreSQL
• If you gotta ask,
Thursday, March 25, 2010

10. PostgreSQL
• If you gotta ask,
• you ain't never gonna know.
Thursday, March 25, 2010

11. PostgreSQL
• If you gotta ask,
• you ain't never gonna know.
• (apologies to Louis Armstrong)
Thursday, March 25, 2010

12. Why?
Thursday, March 25, 2010

13. Why?
• Creating and Debugging PLs is a
Thursday, March 25, 2010

14. Why?
• Creating and Debugging PLs is a
• Pain
Thursday, March 25, 2010

15. Why?
• Creating and Debugging PLs is a
• Pain
• In
Thursday, March 25, 2010

16. Why?
• Creating and Debugging PLs is a
• Pain
• In
• The
Thursday, March 25, 2010

17. Why?
• Creating and Debugging PLs is a
• Pain
• In
• The
• As^Wneck
Thursday, March 25, 2010

18. Why?
Thursday, March 25, 2010

19. Why?
• Don't
Thursday, March 25, 2010

20. Why?
• Don't
• Repeat
Thursday, March 25, 2010

21. Why?
• Don't
• Repeat
•
Thursday, March 25, 2010
Yourself!

22. Why?
• Write in PL/Pynie
• Call from PL/Cardinal
Thursday, March 25, 2010

23. What
• First things first:
• PL/PIR
Thursday, March 25, 2010

24. Thursday, March 25, 2010

25. <EMBED>
Thursday, March 25, 2010

26. Thursday, March 25, 2010

27. • Nobody had actually used the embedding API
Thursday, March 25, 2010

28. • Nobody had actually used the embedding API
• Use SVN Parrot (via git! :)
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29. </EMBED>
Thursday, March 25, 2010

30. <HLL>
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31. Thursday, March 25, 2010

32. • HLLs don't actually, well, um,
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33. • HLLs don't actually, well, um,
• PL/PIR
Thursday, March 25, 2010

34. </HLL>
Thursday, March 25, 2010

35. <MARSHAL>
Thursday, March 25, 2010

36. Thursday, March 25, 2010

37. • PostgreSQL's Amazing Data Types
Thursday, March 25, 2010

38. • PostgreSQL's Amazing Data Types
• Um, we're kinda working on that.
Thursday, March 25, 2010

39. • PostgreSQL's Amazing Data Types
• Um, we're kinda working on that.
• Blizkost?
Thursday, March 25, 2010

40. • PostgreSQL's Amazing Data Types
• Um, we're kinda working on that.
• Blizkost?
• ResizablePMCArray
Thursday, March 25, 2010

41. </MARSHAL>
Thursday, March 25, 2010

42. What We Have Now
Thursday, March 25, 2010

43. What We Have Now
• An actual PL (PIR)
Thursday, March 25, 2010

44. What We Have Now
• An actual PL (PIR)
• TAP-ish tests
Thursday, March 25, 2010

45. What We Have Now
• An actual PL (PIR)
• TAP-ish tests
• A Git Repo
Thursday, March 25, 2010

46. What We Have Now
• An actual PL (PIR)
• TAP-ish tests
• A Git Repo
• Enthusiasm
Thursday, March 25, 2010

47. What We'll Make Soon
Thursday, March 25, 2010

48. What We'll Make Soon
• Argument Passing
Thursday, March 25, 2010

49. What We'll Make Soon
• Argument Passing
• Data Type Marshalling
Thursday, March 25, 2010

50. What We'll Make Soon
• Argument Passing
• Data Type Marshalling
• MOAR TESTZ
Thursday, March 25, 2010

51. What We Want
Thursday, March 25, 2010

52. What We Want
• Sandboxing
Thursday, March 25, 2010

53. What We Want
• Sandboxing
• HLLs
Thursday, March 25, 2010

54. What We Want
• Sandboxing
• HLLs
• MOAR DEVELOPERZ
Thursday, March 25, 2010

55. What We Want
• Sandboxing
• HLLs
• MOAR DEVELOPERZ
• Users!
Thursday, March 25, 2010

56. Where's The Code
http://github.com/leto/plparrot
Thursday, March 25, 2010

57. Who's To Blame
Thursday, March 25, 2010

58. Thanks!
JDCon East, Philadelphia
March 25, 2010
Copyright © 2010
David Fetter david.fetter@pgexperts.com
All Rights Reserved
Thursday, March 25, 2010