devfest

Transcript

1. Hi

2. Anna Bulenkova Software Developer JetBrains @povergo

3. RubyMine project

4. Surviving Environment Disasters Or how we’re suffering making Ruby support

5. Ruby & Java

6. IntelliJ platform

7. Ruby 1995 vs RubyMine 2009

8. How to make an IDE?

9. In fact, forget the editor... •Debugging •VCS •Visualisation •SDK &

   Libraries management •Frameworks •Something cute and sweet

10. We still need an editor •Find errors •Autocompletion •Resolve •Find

    usages •Rename

11. Good editor

12. Roots of evil?

13. Open Source

14. Dynamic typing

15. Errors •Syntax •Everything else

16. Errors •Syntax - lexer & parser •Lexer - JFlex •Parser

    - yourself or GrammarKit •Everything else - need to know what it is

17. Syntax tree AST + PSI

18. Syntax tree

19. Errors •Syntax - lexer & parser •Everything else - need

    to know what it is

20. 42

21. 42

22. Indexing: file- & stub- based •External libraries •Internal content

23. References •Regular •Multi-resolve

24. It’s easy. Sometimes

25. Where to go?

26. FQN? Haven’t heard of it.

27. It’s more or less fine if we know the class

28. Even this is ok

29. Reassignments

30. Join types

31. class_eval

32. Class eval

33. Class eval

34. Class eval

35. instance_eval

36. Instance eval

37. Instance eval

38. Instance eval: go to declaration

39. method_missing and friends

40. Not even an option

41. Have we met before?

42. But how?

43. undef_method and friends

44. DSLs They are full of evil

45. DSLs They are full of eval

46. DSLs They are full of evil

47. We hardcode

48. With our own DSL

49. Hiding-places •Docs •Annotations •Naming conventions •Runtime

50. Runtime

51. SLOW

52. Choose the lesser of two evals

53. Choose the lesser of two evils

54. With or without IDE?

55. @povergo anna@bulenkova.com speakerdeck.com/boogiecat/devfest