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* stop running task.scheduler by defaultKartik K. Agaram2022-03-161-19/+0
| | | | | sieve.tlv is 50% slower (18s vs 12s) with the new function call instrumentation.
* Teliva's been broken 2 days while I mess with docsKartik K. Agaram2022-03-151-1/+1
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* less confusing error when apps get past mainKartik K. Agaram2022-03-131-4/+6
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* extract a helperKartik K. Agaram2022-03-061-1/+5
| | | | | | I'm starting to get quite indisciplined about where I introduce global bindings. Seems reasonable since any modules in Teliva will come from within the framework.
* a simple hack to make caller apparentKartik K. Agaram2022-03-051-1/+7
| | | | | | | | | | | | | | | | | | | | Teliva isn't yet smart enough to know the caller of an indirect function where the function being called goes through a local variable. I'd expected fixing this to be a long death march. However, there's a shockingly easy fix: just make every indirect call go through an additional direct function call. My policy for zet.tlv was that function 'main' could open any file. This stopped working since I introduced spawn_main. But with this commit it's working again. I can also drop all my special-casing of 'main' since it's now a regular Lua call. We still can't rely on the caller of an indirect call. That affects start_reading and start_writing, which really need to be part of the framework.
* new API for file operationsKartik K. Agaram2022-03-051-0/+11
| | | | | | | | | | | | | | | | | | | | | File operations now always return a channel (or nil on error or permission denied). When start_reading() from a filename, you can repeatedly :recv() from the channel it returns. When :recv() returns nil, you're at the end of the file. Stop. When you start_writing() to a filename, you can repeatedly :send() to the channel it returns. When you're done writing, :close() the channel. Writes to the file won't be externally visible until you do. To make this work I'm now always starting up the scheduler, so I need to fix sieve.tlv. Transparently running the scheduler is an abstraction, and whenever I create an abstraction I always worry about how it might fail. There's a hopefully-clear error when you read past end of a file.
* more unobtrusive skip messageKartik K. Agaram2022-03-031-1/+1
| | | | In particular, the periods looked like passing tests.
* always run unit tests for channels and tasksKartik K. Agaram2022-02-261-216/+210
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* import https://github.com/majek/lua-channelsKartik K. Agaram2022-02-261-0/+632
Also a little test program to demo channels in action.