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* .Kartik K. Agaram2021-06-121-2/+2
| | | | | Roll back to commit 70919b45f0. Recent commits add lots of extra function args for dubious benefit.
* eliminate some implicit writes to real screenKartik K. Agaram2021-06-121-2/+2
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* .Kartik K. Agaram2021-06-121-8/+8
| | | | | | 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.
* better nameKartik K. Agaram2021-06-111-2/+3
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* back to the pending testKartik K. Agaram2021-06-111-60/+4
| | | | I'm ready again to take on commit 6169ec59c after lots of refactoring.
* .Kartik K. Agaram2021-06-111-3/+25
| | | | | | | | Save a single trace to potentially multiple globals just like a gap buffer (if say we have a single let binding defining multiple functions). I don't have a strong use for this yet, but it seems cleaner. Maybe it's redundant or wrong.
* .Kartik K. Agaram2021-06-111-1/+0
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* .Kartik K. Agaram2021-06-111-2/+2
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* .Kartik K. Agaram2021-06-111-82/+6
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* .Kartik K. Agaram2021-06-111-2/+2
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* .Kartik K. Agaram2021-06-111-4/+0
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* .Kartik K. Agaram2021-06-111-54/+50
| | | | | | Inline a function by patching a few variable names. I don't even have to worry about `return` statements if there's a single call and it's in tail position in the caller.
* .Kartik K. Agaram2021-06-111-11/+13
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* start showing parse errors under definitionsKartik K. Agaram2021-06-111-2/+10
| | | | | | We don't have support for browsing them yet. Just errors for now, which should only be a line or two. Larger traces might be useful for inspecting results of macroexpansion.
* .Kartik K. Agaram2021-06-111-6/+6
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* .Kartik K. Agaram2021-06-111-13/+34
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* .Kartik K. Agaram2021-06-091-0/+36
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* .Kartik K. Agaram2021-06-091-41/+19
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* .Kartik K. Agaram2021-06-091-14/+7
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* .Kartik K. Agaram2021-06-091-3/+4
| | | | Add argument to a few functions.
* .Kartik K. Agaram2021-06-091-2/+2
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* make tests pass againKartik K. Agaram2021-06-091-0/+5
| | | | | I'm temporarily disabling the pending state. I'm also providing a clearer error message when we encounter the bug.
* snapshot: attempt at modifying a function nameKartik K. Agaram2021-06-091-11/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | It turns out there's another problem, and it predates the ability to create new definitions: ctrl-s triggers a call to `evaluate`, which inserts a new definition into globals. which has a null gap buffer. All this happens long before the new code in this commit, resulting in a null gap buffer by the time we get to word-at-cursor. Which in turn happens because we perform a raw `evaluate`, which doesn't update the gap buffer like `run` does (using `maybe-stash-gap-buffer-to-global`). And arguably `evaluate` shouldn't mess with the gap buffer. Gap buffers are a UI concern. The hardest version of this immediate scenario: It's unclear how to guarantee that every definition have a gap buffer, when two definitions may share one (closures sharing a lexical environment). New plan: - improve the logic for detecting definitions. Looking at the outermost layer isn't enough. And a single expression can create multiple definitions. - extract a helper to attach a single gap buffer to multiple definitions. - have the UI detect conflicts in gap buffers and prompt the user for a decision if a different gap buffer already exists for a definition.
* .Kartik K. Agaram2021-06-081-11/+11
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* shell: function modal now also creates functionsKartik K. Agaram2021-06-081-0/+19
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* shell: fleshing out the 'standard library'Kartik K. Agaram2021-06-061-1/+1
| | | | | | Based loosely on Arc's arc.arc: http://arclanguage.org https://github.com/arclanguage/anarki/blob/official/arc.arc
* refresh edited definitions on ctrl-sKartik K. Agaram2021-06-051-0/+41
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* start editing function definitionsKartik K. Agaram2021-06-041-1/+11
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* .Kartik K. Agaram2021-06-041-0/+24
| | | | Menu when cursor is within a function.
* select function to render firstKartik K. Agaram2021-06-041-0/+10
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* always render functions starting at the cursorKartik K. Agaram2021-06-041-2/+4
| | | | For now we just never render definitions above it. That will improve.
* record the definition the cursor is currently atKartik K. Agaram2021-06-041-1/+10
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* conditionally display cursor on function sideKartik K. Agaram2021-06-041-3/+4
| | | | | Always shows at top-most function. Can't actually do any editing yet.
* .Kartik K. Agaram2021-06-041-1/+1
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* rename the definition primitive to 'def'Kartik K. Agaram2021-06-041-4/+4
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* .Kartik K. Agaram2021-06-031-0/+3
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* starting to support function editingKartik K. Agaram2021-06-031-0/+3
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* .Kartik K. Agaram2021-06-031-1597/+1
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* .Kartik K. Agaram2021-06-031-5/+5
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* .Kartik Agaram2021-05-311-3/+5
| | | | | Until we get scrolling on functions, it's a little cleaner to draw the primitives on top.
* shell: raise errors when loading code on bootKartik K. Agaram2021-05-301-13/+13
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* bugfix: unbound variables were not raising errorKartik K. Agaram2021-05-301-2/+2
| | | | | Since we switched error trace semantics from a designated label to a designated depth (commit 9831a8cef9 on May 19).
* some boot-time heartbeat messagesKartik K. Agaram2021-05-071-1/+11
| | | | This will help us with some common debug scenarios.
* clean up Bresenham line-drawingKartik K. Agaram2021-05-071-0/+32
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* .Kartik K. Agaram2021-05-071-6/+6
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* starting to implement first macrosKartik K. Agaram2021-05-071-0/+6
| | | | | | | | | | | | | | | 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
* more paranoia in shell/globals.muKartik K. Agaram2021-05-061-0/+48
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* shell: macroexpand outermost callKartik K. Agaram2021-05-061-0/+22
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* cleaner rendering of fake screens and keyboardsKartik K. Agaram2021-05-011-1/+1
| | | | | | I don't understand why a second line in the keyboard is visible now where it wasn't before. That whole aspect has unclear desires. What exactly do I want to happen on newlines?
* .Kartik K. Agaram2021-05-011-1/+1
| | | | Clean up trace colors.
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