50 lines
4.1 KiB
Plaintext
50 lines
4.1 KiB
Plaintext
[video member=pervognsen stream_platform=twitch project=bitwise title="C Programming & Parsing" vod_platform=youtube id=0woxSWjWsb8 annotator=Miblo]
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[0:01][Recap and set the stage for the day, with a recommendation to read Chapter 2 through 4.1 of Wirth's 'Compiler Construction'[ref
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author="Niklaus Wirth"
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title="Compiler Construction"
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url=https://www.inf.ethz.ch/personal/wirth/CompilerConstruction]][:language :parsing :speech]
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[3:05][Dive in to ion.c, with a few words about debugger-centric workflow][:language]
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[12:42][Introduce stretchy buffers, invented by [@nothings Sean Barrett]][:memory]
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[18:28][Introduce BufHdr struct and the buf__hdr(), buf__fits(), buf__fit(), buf_len(), buf_cap() and buf_push() macros][:memory]
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[28:15][Introduce buf__grow(), buf_free() and MAX()][:memory]
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[38:55][Step in to buf_push() and inspect the buf][:memory :run]
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[40:14][Enable buf__grow() to include the BufHdr in the reallocation][:memory]
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[42:06][Step back in to buf_push() and inspect the buf][:memory :run]
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[43:32][Fix buf__grow() to return the new_hdr->buf][:memory]
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[47:33][Step through a loop of buf_push()][:memory :run]
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[49:11][@chargrove_dev][@pervognsen Here's another poke to check your stream z-order; your camera is behind the IDE]
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[49:37][@asafgartner][@pervognsen (1) There's a lot of audio buzzing. (2) Visual Studio is on top of your webcam. (3) We can't see menus in VS]
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[50:26][@normalnull_][@pervognsen One idea, designate one trusted helper who is able to ping you while you ignore regular chat for hints like audio issues or window switching or whatever]
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[51:20][@manokara][Dedicated capture hardware is better so your CPU doesn't struggle with encoding and streaming]
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[51:33][@captainkraft][@pervognsen Why use macros for this instead of functions?]
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[51:37][@garretttypes][@pervognsen Line 17, shouldn't "buf" be just "b"?]
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[51:48][Fix buf__hdr() to operate on b rather than buf][:memory]
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[53:10][@danbokser][@pervognsen For buf__hdr it looks like you're using buf instead of b]
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[54:04][Could you add more functions like reserve()?][:authored :memory]
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[54:32][Loft our code out into buf_test()][:memory]
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[54:50][@symbolic_butt][@pervognsen This is kind of similar to the implementation of lists in cpython right?][:language]
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[55:42][@onebloke][@pervognsen The menus and pop up windows cannot be seen]
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[56:13][@manokara][Is it me or is the mic lower than yesterday?]
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[57:05][@satire_][What's the reasoning for using macros vs functions for most of the stuff?]
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[58:47][@zxsnkx][Connection here is unreliable... Will have to catch this later on YouTube]
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[59:08][@manokara][Jesus, is that coke?]
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[59:37][@manokara][But I think it's a bit too acidic to hydrate]
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[59:50][Introduce lexing, with a TokenKind enum and Token struct][:parsing]
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[1:03:29][Introduce the notion of a global state machine, with next_token()][:parsing]
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[1:06:35][Introduce lex_test() with a few words on this testing approach][:parsing]
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[1:08:21][Step into lex_test() to see what it does][:parsing :run]
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[1:08:41][Set TokenKind to start at 128][:parsing]
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[1:08:56][Continue to step through lex_test()][:parsing :run]
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[1:10:16][Augment the Token struct with semantic information, and implement string to integer conversion][:parsing]
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[1:12:28][Step in to lex_test() to see if that worked, waxing lyrical on Ctrl-F10 for stepping through the loop][:parsing :run]
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[1:13:34][Introduce identifier :parsing with cases for every letter in the alphabet, including print_token(), with a few words on ]
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[1:19:59][A few words on printf()'s .* pattern to specify the number of bytes to print][:speech]
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[1:20:33][Let lex_test() test alphabetical characters and finish implementing print_token()][:parsing]
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[1:25:14][Step in to lex_test() to see how the identifier stuff shakes out][:parsing :run]
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[1:26:07][Revert print_token() to use printf()]
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[1:26:27][Step in to lex_test() and note Visual Studio's ability to let us specify how many bytes of the string to print][:parsing :run]
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[1:28:52][Prevent print_token() from falling through the entire switch statement]
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[1:29:12][Continue to step through lex_test() to see how it works][:parsing :run]
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[1:29:47][A few words on our basic lexer, before stopping the recording][:parsing :speech]
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[/video]
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