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* new macro: withKartik K. Agaram2021-06-201-0/+48
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* document responsiveness trade-offKartik K. Agaram2021-06-151-1/+1
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* do more work per fake-screen refreshKartik K. Agaram2021-06-151-1/+1
| | | | | | Refreshing the fake screen is still a heavyweight operation. Double-buffering makes it less obvious but doesn't actually reduce the amount of work. We need to ensure that we do enough work between refreshes to make them economic.
* more precisely track count of calls to evalKartik K. Agaram2021-06-151-19/+10
| | | | | Before I only separately counted calls at each stack depth. I don't remember if that seemed good enough or was just an oversight.
* flickerlessly render fake screens in environmentKartik K. Agaram2021-06-151-1/+1
| | | | | | | | Font rendering now happens off the real screen, which provides the effect of double-buffering. Apps can now also use convert-graphemes-to-pixels for more traditional double-buffering.
* .Kartik K. Agaram2021-06-121-38/+38
| | | | | Roll back to commit 70919b45f0. Recent commits add lots of extra function args for dubious benefit.
* eliminate some implicit writes to real screenKartik K. Agaram2021-06-121-38/+38
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* .Kartik K. Agaram2021-06-121-42/+45
| | | | | | Rename cells containing screens to screen vars because of the ambiguity that each grapheme in fake screens is represented by a type screen-cell. While we're at it, we also analogously rename keyboard vars.
* shell: larger fake screenKartik K. Agaram2021-06-121-1/+1
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* .Kartik K. Agaram2021-06-091-37/+44
| | | | Add argument to a few functions.
* .Kartik K. Agaram2021-06-091-1/+1
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* .Kartik K. Agaram2021-06-081-7/+3
| | | | | | | I wrote a comment about how some code was not covered by tests, and then promptly forgot what it was for. This is why we need tests. Now the hack is gone.
* clean up a large memory leakKartik K. Agaram2021-06-051-15/+6
| | | | | | | | | | | It turns out (bowboard screen 128) on a real screen massively slowed down and ran out of memory since commit e2ab1b30b1 on May 19. The culprit was these changes, which created memory allocations for a new trace on every recursive call. I originally had some vague desire to isolate these calls from the user-visible trace. That's expensive enough that I'll wait until it becomes a concern before trying to isolate again.
* rename the definition primitive to 'def'Kartik K. Agaram2021-06-041-7/+7
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* .Kartik K. Agaram2021-06-031-2/+15
| | | | Drop some low-entropy trace lines.
* interrupt repl on keypressKartik K. Agaram2021-05-311-1/+7
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* .Kartik K. Agaram2021-05-311-8/+8
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* .Kartik K. Agaram2021-05-311-0/+2
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* clean up trace depth in a few placesKartik K. Agaram2021-05-311-0/+3
| | | | | It turns out the problem was that `and` wasn't cleaning up after itself when it short-circuited evaluation. Similar problems in a couple more places.
* bugfix: unbound variables were not raising errorKartik K. Agaram2021-05-301-1/+1
| | | | | Since we switched error trace semantics from a designated label to a designated depth (commit 9831a8cef9 on May 19).
* unconditionally trace errorsKartik K. Agaram2021-05-301-60/+0
| | | | | | Now that we never have a null trace, tracing errors is always safe. And now that we're running with low trace max-depth we're more likely to run into problems with missing errors in the trace.
* .Kartik K. Agaram2021-05-191-3/+0
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* disallow null tracesKartik K. Agaram2021-05-191-69/+171
| | | | | | We now use traces everywhere for error-checking. Null traces introduce the possibility of changing a functions error response, and therefore its semantics.
* shell: traces track a maximum depth to recordKartik K. Agaram2021-05-191-2/+2
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* shell: clean up trace for macroexpandKartik K. Agaram2021-05-181-0/+4
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* shell: add a lot of error-checkingKartik K. Agaram2021-05-181-0/+145
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* a full-circle rainbowKartik K. Agaram2021-05-081-1/+1
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* all apps working again after null get checkKartik K. Agaram2021-05-071-2/+33
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* .Kartik K. Agaram2021-05-071-35/+35
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* an often-overflowing stream when running brcircleKartik K. Agaram2021-05-071-1/+1
| | | | We really need to systematically check our trace streams.
* clean up chessboardKartik K. Agaram2021-05-071-1/+3
| | | | | We still benefit from some helpers here because of the unrolling and multiple calls to helpers.
* starting to implement first macrosKartik K. Agaram2021-05-071-0/+9
| | | | | | | | | | | | | | | Another commit, another bugfix. Some snippets from my currently exploding todo list: - always investigate lookup errors immediately. Beyond the root cause, they should never happen at the moment, while we aren't reclaiming memory. we should always return a more precise error message. Usually involving null pointer checks. - on abort, print out stack trace - emit mapping of labels to addresses during survey - store a mapping of symbols somewhere in the code image - stop allocating 1KB per token; expand space for tokens as needed
* literal macrosKartik K. Agaram2021-05-061-0/+28
| | | | | | | | | | | Current plan: - some way to define macros. For now: (def f (litmac litfn () (a b) `(+ ,a , b))) - macroexpand will expand calls by passing them through the cdr (f 3 4) macroexpand: ((litfn () (a b) `(+ ,a ,b)) 3 4) => (+ 3 4) eval: (+ 3 4) => 7
* .Kartik K. Agaram2021-05-061-2/+15
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* .Kartik K. Agaram2021-05-061-4/+21
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* .Kartik K. Agaram2021-05-041-0/+40
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* .Kartik K. Agaram2021-05-041-3/+8
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* .Kartik K. Agaram2021-05-041-1/+1
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* shell: unquote spliceKartik K. Agaram2021-05-041-0/+120
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* shell: unquoteKartik K. Agaram2021-05-041-2/+78
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* shell: start evaluating backquoteKartik K. Agaram2021-05-031-0/+146
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* .Kartik K. Agaram2021-05-031-63/+63
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* .Kartik K. Agaram2021-05-031-0/+21
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* .Kartik K. Agaram2021-05-031-1/+1
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* move color scheme closer to Solarized darkKartik K. Agaram2021-05-011-35/+35
| | | | | | | | | | | | | sed -i 's,0x12/bg=almost-black,0xdc/bg=green-bg,g' shell/*.mu sed -i 's, 0/bg, 0xc5/bg=blue-bg,g' shell/*.mu sed -i 's, 7/fg=trace, 0x38/fg=trace,g' shell/*.mu sed -i 's, 7/bg=grey, 0x5c/bg=black,g' shell/*.mu Still a few issues. Thanks Adrian Cochrane and Zach DeCook. https://floss.social/@alcinnz/106152068473019933 https://social.librem.one/@zachdecook/106159988837603417
* shell: allow 'def' to overwriteKartik K. Agaram2021-04-291-1/+1
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* keep the temporary progress screen off the keyboardKartik K. Agaram2021-04-291-1/+1
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* .Kartik K. Agaram2021-04-281-1/+1
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* .Kartik K. Agaram2021-04-281-36/+6
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* shell: stream literalsKartik K. Agaram2021-04-271-0/+9
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