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