A presentation when you should design your dream language. This presentation contains everything you need to know about language design in a day to day job. This presentation was given by me ar Bangalore BarCamp.

1. dream language!
suman karumuri

2. about me
(define work-ex ‘(yahoo goldman_sachs) )
$myOwnLanguage = “NPL”;
dsl_experience = (“data sanity”, “data gen”)
let interest [“pl” ; ”software viz.”];;
main = future ( cs.brown.edu )

3. designing languages is cool!
implementing one is uber cool!

4. but.. do you know?

5. 99.99% languages are unused
99.96% of langs are mashups

6. if lang X doesn’t have feature Y
you can add it to lisp ☺

7. before you design…
have you considered?

8. purpose
why yet another language?

9. purpose
general purpose
dsl
fun!

10. novelty
what’s new?

11. novelty
syntax
semantics
performance
ease of use
dsl

12. spreadsheet?
best programming lang!

13. spreadsheet
simple syntax
easy semantics
programmable
dsl

14. none of these work?

15. general purpose language?
time waste

16. dsl
internal
external
which aspect?

17. new syntax
meta-language
new fe
extensions

18. new semantics/easy
lisp
syntax : s-expression
new paradigms

19. performance
!brilliant => another time waste
!academic => p(success) = 10-10

20. tools
antlr
python
<scripting language of your chioce>

21. antlr
multi language bindings
LL(k) grammar
simple and similar lexer and parser
IDE support

22. antlr
excellent community
good documentation
audio lectures

23. python
enuf said

24. resources
dragon book
wikipedia
irc
ltu

25. questions?
thank you!