| --- Log opened Thu Dec 01 00:00:48 2011 |
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| 03:38 | | * McMartin actually uses cdadr. |
| 03:40 | | * McMartin is probably a bad person |
| 03:40 | < McMartin> | But, success |
| 03:40 | < McMartin> | > (parse-string "y[10] of 5") |
| 03:40 | < McMartin> | ((1 . 1) value (make-array "y" ((1 . 3) int-const 10) ((1 . 10) int-const 5))) |
| 03:40 | < McMartin> | > (parse-string "x.y[10] of 5") |
| 03:40 | < McMartin> | 1:1: Illegal array constructor |
| 03:40 | < McMartin> | ((1 . 1) value (var-ref "x") (field-ref "y")) |
| 03:43 | | * Vornicus has no idea what you just did. |
| 03:45 | < McMartin> | This stupid toy language I'm writing a parser for for practice isn't LL(k) |
| 03:45 | < McMartin> | I've gotten around that with a little post-processing inside parse-lvalue. |
| 03:45 | < McMartin> | That post-processing manipulates the lists that are the results (this is Scheme) |
| 03:45 | < McMartin> | cdadr is a library function operating on pairs of pairs of pairs. |
| 03:46 | < McMartin> | (define (cdadr x) (cdr (car (cdr x)))), more or less. |
| 03:50 | < Noah> | McMartin is a man; he wears a top hat. "A very stylish man is here." |
| 03:51 | < Rhamphoryncus> | .. pairs of pairs of pairs.. |
| 04:00 | | * Vornicus pokes once again at euler 44. Wonders why in god's name he even tried it this way. |
| 04:01 | < Tamber> | Because it worked? |
| 04:01 | <~Vornicus> Well, okay, it did, but it's so bad I don't know how it worked or why. |
| 04:02 | <~Vornicus> I suspect originally I had a non-binary search in here, and then because I needed more speed I added a gallop and some other stuff. |
| 04:23 | <~Vornicus> I imagine though that I shouldn't have to do this; that there's some lovely equations I can throw together that make finding the answers much easier. |
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| 04:33 | <~Vornicus> but in reality I have two degrees of freedom and I do not see any way whatsoever to reduce it to one, so that's not going to be pleasant. |
| 04:33 | < McMartin> | Rhamphoryncus: Well, literally the only structured data type Scheme has is the heterogeneous pair. |
| 04:33 | | * Rhamphoryncus should shut up now. No good will come of this. ;) |
| 04:34 | < Tamber> | Someone please kill me. Kill me to death. Kill me to death until I'm dead of it. |
| 04:35 | < McMartin> | It does hide it well |
| 04:35 | < McMartin> | While many Scheme implementations have a define-record construct, (a) those are macros (b) that turn into lists or implementation-specific vectors |
| 04:36 | < McMartin> | Whether vectors count as "structured" is an entirely different question~ |
| 04:36 | | * Rhamphoryncus repeats his "no good will come of this" |
| 04:36 | < McMartin> | Do you have something else in mind~ |
| 04:37 | < McMartin> | Or are you just saying that the code is going to be terrible~ |
| 04:37 | < McMartin> | (Also, by "Scheme" here I really mean "R5RS", since that's what this system is based on) |
| 04:37 | < McMartin> | (Racket may as well be an entirely different language) |
| 04:39 | < Rhamphoryncus> | I think I should focus on making my own language good rather than on how other languages are bad |
| 04:39 | < McMartin> | Aww |
| 04:39 | < McMartin> | Half the fun is making single inheritance work by hand >_> |
| 04:39 | < McMartin> | Because it *totally is* |
| 04:39 | < McMartin> | Or totally will, once I get to typechecking. |
| 04:40 | < McMartin> | The language I'm implementing is shit, and I will probably abandon it once I get to the typecheck phase. |
| 04:40 | < McMartin> | Or put in a totally perfunctory C-source backend. |
| 04:40 | < Rhamphoryncus> | why do people output C? Why not use LLVM? |
| 04:40 | < McMartin> | For one, because I have about twelve C compilers and zero LLVM compilers. |
| 04:41 | < McMartin> | For two, because outputting C is easier, and this toy language isn't worth the effort to write a generator for |
| 04:41 | < McMartin> | I would literally sooner write a code generator for compiled Commodore BASIC than for this. |
| 04:42 | < Rhamphoryncus> | heh |
| 04:42 | < McMartin> | (A continuing side project of mine is to come up with a useful subset of some medium-to-high level language that can be profitably translated to 6502 assembler in a way that can be easily linked against hand-coded stuff) |
| 04:43 | < McMartin> | (A FORmula TRANslator, if you will, but with better support for structured data types as well) |
| 04:44 | < Rhamphoryncus> | heh |
| 04:45 | < McMartin> | Hilariously, it turns out C abstracts stuff out that Pascal doesn't, so Pascal is a better starting point. |
| 04:45 | < McMartin> | C has no real concept of a bounded loop, and most of the older machines have opcodes that are Better At Those. |
| 04:49 | < McMartin> | Also, I will say this: Scheme is probably the minimal language you can have that is still usable as a production language. |
| 04:50 | < McMartin> | Despite the wackiness and the total lack of support for anything intrinsically except for ancient, universal cthonic entities, the compilers are top-notch and you can actually be quite concise while coding complex stuff. |
| 04:54 | | * Rhamphoryncus nods |
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| 06:14 | < ToxicFrog> | I still need to really sit down and learn a Lisp. I always get sidetracked back into Lua at some point. |
| 06:14 | < ToxicFrog> | Maybe I should learn Clojure~ |
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| 07:37 | < McMartin> | ToxicFrog: Racket appears to be The Best Scheme. |
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| 08:14 | < Rhamphoryncus> | Damnit, when can't I do a simple language. It's not like rules of object allocation/deletion are potentially complicated or anything. >.> |
| 08:39 | < TheWatcher> | Bah! Let the programmer figure it out! Real Programmers do their own memory handling!~ |
| 08:40 | < McMartin> | He said language, not runtime. >_> |
| 08:40 | < McMartin> | Therefore, the obvious solution is "all objects have infinite extent! Runtimes must be garbage-collected." |
| 08:41 | < TheWatcher> | snrk |
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| 08:54 | <@jerith> | Just allocate all objects at compil-time. |
| 08:54 | <@jerith> | +e |
| 09:06 | | * Rhamphoryncus pokes at spacechem and wonders how to do "don't fear the reaper" *well* |
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| 09:28 | < ErikM> | One of my cow-orkers is experiencing the strangest bug: sometimes hitting the c key on his laptop produces "c", sometimes it produces "b *" instead. Anyone ever heard of anything like it? |
| 09:34 | < AD[Shell]> | Yes. This may be the product of spilling coffee on the keyboard. |
| 09:34 | < AD[Shell]> | Solution is to get a new keyboard. |
| 10:21 | < Rhamphoryncus> | Spilling more coffee may also be the solution |
| 10:25 | < sshine> | or unspilling it. |
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| 21:52 | < kwsn> | woot |
| 21:52 | < kwsn> | another project down |
| 22:01 | < McMartin> | ? |
| 22:28 | < kwsn> | McMartin: i'll tell you later |
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| --- Log closed Fri Dec 02 00:00:03 2011 |