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-rw-r--r--2020/info/23.md374
-rw-r--r--2020/subtitles/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen.vtt (renamed from 2020/subtitles/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen-autogen.vtt)902
2 files changed, 737 insertions, 539 deletions
diff --git a/2020/info/23.md b/2020/info/23.md
index f87ed299..7f20b2fd 100644
--- a/2020/info/23.md
+++ b/2020/info/23.md
@@ -1,8 +1,9 @@
# Incremental Parsing with emacs-tree-sitter
Tuấn-Anh Nguyễn
-[[!template id=vid src="https://mirror.csclub.uwaterloo.ca/emacsconf/2020/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen.webm"]]
-[Download compressed .webm video (21.8M)](https://mirror.csclub.uwaterloo.ca/emacsconf/2020/smaller/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen--vp9-q56-video-original-audio.webm)
+[[!template vidid="mainVideo" id=vid src="https://mirror.csclub.uwaterloo.ca/emacsconf/2020/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen.webm" subtitles="/2020/subtitles/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen.vtt"]]
+[Download compressed .webm video (21.8M)](https://mirror.csclub.uwaterloo.ca/emacsconf/2020/smaller/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen--vp9-q56-video-original-audio.webm)
+[View transcript](#transcript)
[[!template id=vid src="https://mirror.csclub.uwaterloo.ca/emacsconf/2020/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--questions--tuan-anh-nguyen.webm" download="Download Q&A video"]]
[Download compressed Q&A .webm video (16.4M)](https://mirror.csclub.uwaterloo.ca/emacsconf/2020/smaller/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--questions--tuan-anh-nguyen--vp9-q56-video-original-audio.webm)
@@ -175,3 +176,372 @@ Yes, it is just matter of paperwork.
- LSP has high latency and is resource intensive, oft.
- An updated video version was uploaded after the event, with the
missing introduction to Tree-sitter added.
+
+<a name="transcript"></a>
+# Transcript
+
+[[!template text="Hello, everyone! My name is Tuấn-Anh." start="00:00:01.520" video="mainVideo" id=subtitle]]
+[[!template text="I've been using Emacs for about 10 years." start="00:00:04.400" video="mainVideo" id=subtitle]]
+[[!template text="Today, I'm going to talk about tree-sitter," start="00:00:07.200" video="mainVideo" id=subtitle]]
+[[!template text="a new Emacs package that allows Emacs" start="00:00:09.280" video="mainVideo" id=subtitle]]
+[[!template text="to parse multiple programming languages in real-time." start="00:00:11.351" video="mainVideo" id=subtitle]]
+[[!template new="1" text="So what is the problem statement?" start="00:00:17.840" video="mainVideo" id=subtitle]]
+[[!template text="In order to support programming functionalities" start="00:00:21.840" video="mainVideo" id=subtitle]]
+[[!template text="for a particular language," start="00:00:24.131" video="mainVideo" id=subtitle]]
+[[!template text="a text editor needs to have some degree" start="00:00:25.760" video="mainVideo" id=subtitle]]
+[[!template text="of language understanding." start="00:00:27.680" video="mainVideo" id=subtitle]]
+[[!template text="Traditionally, text editors have relied" start="00:00:29.679" video="mainVideo" id=subtitle]]
+[[!template text="very heavily on regular expressions for this." start="00:00:31.840" video="mainVideo" id=subtitle]]
+[[!template text="Emacs is no different." start="00:00:34.960" video="mainVideo" id=subtitle]]
+[[!template text="Most language major modes use regular expressions" start="00:00:37.013" video="mainVideo" id=subtitle]]
+[[!template text="for syntax-highlighting, code navigation," start="00:00:40.170" video="mainVideo" id=subtitle]]
+[[!template text="folding, indexing, and so on." start="00:00:42.960" video="mainVideo" id=subtitle]]
+[[!template text="Regular expressions are problematic for a couple of reasons." start="00:00:46.618" video="mainVideo" id=subtitle]]
+[[!template text="They're slow and inaccurate." start="00:00:50.559" video="mainVideo" id=subtitle]]
+[[!template text="They also make the code hard to read and write." start="00:00:53.778" video="mainVideo" id=subtitle]]
+[[!template text="Sometimes it's because the regular expressions themselves are very hairy," start="00:00:56.800" video="mainVideo" id=subtitle]]
+[[!template text="and sometimes because they are just not powerful enough." start="00:01:01.199" video="mainVideo" id=subtitle]]
+[[!template text="Some helper code is usually needed" start="00:01:05.199" video="mainVideo" id=subtitle]]
+[[!template text="to parse more intricate language features." start="00:01:08.625" video="mainVideo" id=subtitle]]
+[[!template text="That also illustrates the core problem with regular expressions," start="00:01:11.200" video="mainVideo" id=subtitle]]
+[[!template text="in that they are not powerful enough to parse programming languages." start="00:01:16.159" video="mainVideo" id=subtitle]]
+[[!template text="An example feature that regular expressions cannot handle very well" start="00:01:21.119" video="mainVideo" id=subtitle]]
+[[!template text="is string interpolation, which is a very common feature" start="00:01:25.040" video="mainVideo" id=subtitle]]
+[[!template text="in many modern programming languages." start="00:01:28.320" video="mainVideo" id=subtitle]]
+[[!template new="1" text="It would be much nicer if Emacs somehow" start="00:01:31.680" video="mainVideo" id=subtitle]]
+[[!template text="had structural understanding of source code, like IDEs do." start="00:01:34.079" video="mainVideo" id=subtitle]]
+[[!template text="There have been multiple efforts" start="00:01:39.520" video="mainVideo" id=subtitle]]
+[[!template text="to bring this kind of programming language understanding into Emacs." start="00:01:41.981" video="mainVideo" id=subtitle]]
+[[!template text="There are language-specific parsers" start="00:01:45.280" video="mainVideo" id=subtitle]]
+[[!template text="written in Elisp" start="00:01:47.119" video="mainVideo" id=subtitle]]
+[[!template text="that can be thought of" start="00:01:48.640" video="mainVideo" id=subtitle]]
+[[!template text="as the next logical step of the glue code" start="00:01:50.675" video="mainVideo" id=subtitle]]
+[[!template text="on top of regular expressions," start="00:01:51.989" video="mainVideo" id=subtitle]]
+[[!template text="moving from partial local pattern recognition" start="00:01:53.856" video="mainVideo" id=subtitle]]
+[[!template text="into a full-fledged parser." start="00:01:57.356" video="mainVideo" id=subtitle]]
+[[!template text="The most prominent example of this approach" start="00:01:59.840" video="mainVideo" id=subtitle]]
+[[!template text="is probably the famous js2-mode." start="00:02:02.023" video="mainVideo" id=subtitle]]
+[[!template new="1" text="However, this approach has several issues." start="00:02:06.479" video="mainVideo" id=subtitle]]
+[[!template text="Parsing is computationally expensive," start="00:02:10.080" video="mainVideo" id=subtitle]]
+[[!template text="and Emacs Lisp is not good at that kind of stuff." start="00:02:12.606" video="mainVideo" id=subtitle]]
+[[!template new="1" text="Furthermore, maintenance is very troublesome." start="00:02:16.800" video="mainVideo" id=subtitle]]
+[[!template text="In order to work on these parsers," start="00:02:19.156" video="mainVideo" id=subtitle]]
+[[!template text="first, you have to know Elisp well enough," start="00:02:22.160" video="mainVideo" id=subtitle]]
+[[!template text="and then you have to be comfortable with" start="00:02:24.239" video="mainVideo" id=subtitle]]
+[[!template text="writing a recursive descending parser," start="00:02:26.606" video="mainVideo" id=subtitle]]
+[[!template text="while constantly keeping up with changes to the language itself," start="00:02:29.739" video="mainVideo" id=subtitle]]
+[[!template text="which can be evolving very quickly," start="00:02:34.000" video="mainVideo" id=subtitle]]
+[[!template text="like Javascript, for example." start="00:02:36.356" video="mainVideo" id=subtitle]]
+[[!template new="1" text="Together, these constraints significantly reduce" start="00:02:39.360" video="mainVideo" id=subtitle]]
+[[!template text="the pool of potential maintainers." start="00:02:42.373" video="mainVideo" id=subtitle]]
+[[!template text="The biggest issue, though, in my opinion," start="00:02:45.680" video="mainVideo" id=subtitle]]
+[[!template text="is lack of the set of generic and reusable APIs." start="00:02:47.760" video="mainVideo" id=subtitle]]
+[[!template text="This makes them very hard to use" start="00:02:52.139" video="mainVideo" id=subtitle]]
+[[!template text="for minor modes that want to deal with" start="00:02:54.319" video="mainVideo" id=subtitle]]
+[[!template text="cross-cutting concerns across multiple languages." start="00:02:55.920" video="mainVideo" id=subtitle]]
+[[!template new="1" text="The other approach which has been" start="00:02:59.920" video="mainVideo" id=subtitle]]
+[[!template text="gaining a lot of momentum in recent years" start="00:03:01.760" video="mainVideo" id=subtitle]]
+[[!template text="is externalizing language understanding" start="00:03:04.319" video="mainVideo" id=subtitle]]
+[[!template text="to another process," start="00:03:06.560" video="mainVideo" id=subtitle]]
+[[!template text="also known as language server protocol." start="00:03:08.159" video="mainVideo" id=subtitle]]
+[[!template new="1" text="This second approach is actually a very interesting one." start="00:03:12.239" video="mainVideo" id=subtitle]]
+[[!template text="By decoupling language understanding" start="00:03:16.560" video="mainVideo" id=subtitle]]
+[[!template text="from the editing facility itself," start="00:03:18.400" video="mainVideo" id=subtitle]]
+[[!template text="the LSP servers can attract a lot more contributors," start="00:03:21.280" video="mainVideo" id=subtitle]]
+[[!template text="which makes maintenance easier." start="00:03:25.120" video="mainVideo" id=subtitle]]
+[[!template new="1" text="However, they also have several issues of their own." start="00:03:27.189" video="mainVideo" id=subtitle]]
+[[!template text="Being a separate process," start="00:03:32.400" video="mainVideo" id=subtitle]]
+[[!template text="they are usually more resource-intensive," start="00:03:34.089" video="mainVideo" id=subtitle]]
+[[!template text="and depending on the language," start="00:03:37.073" video="mainVideo" id=subtitle]]
+[[!template text="the LSP server itself can bring with it" start="00:03:39.920" video="mainVideo" id=subtitle]]
+[[!template text="a host of additional dependencies" start="00:03:42.159" video="mainVideo" id=subtitle]]
+[[!template text="external to Emacs, which may be messy to install and manage." start="00:03:44.640" video="mainVideo" id=subtitle]]
+[[!template new="1" text="Furthermore, JSON over RPC has pretty high latency." start="00:03:50.640" video="mainVideo" id=subtitle]]
+[[!template text="For one-off tasks like jumping to source" start="00:03:55.120" video="mainVideo" id=subtitle]]
+[[!template text="or on-demand completion, it's great." start="00:03:57.840" video="mainVideo" id=subtitle]]
+[[!template text="But for things like code highlighting," start="00:04:00.879" video="mainVideo" id=subtitle]]
+[[!template text="the latency is just too much." start="00:04:03.040" video="mainVideo" id=subtitle]]
+[[!template new="1" text="I was using Rust and I was following the" start="00:04:06.000" video="mainVideo" id=subtitle]]
+[[!template text="community effort to improve its IDE support," start="00:04:08.319" video="mainVideo" id=subtitle]]
+[[!template text="hoping to integrate some of that into Emacs itself." start="00:04:11.760" video="mainVideo" id=subtitle]]
+[[!template text="Then I heard someone from the community mention tree-sitter," start="00:04:15.760" video="mainVideo" id=subtitle]]
+[[!template text="and I decided to check it out." start="00:04:19.759" video="mainVideo" id=subtitle]]
+[[!template text="Basically, tree-sitter is an incremental parsing library and a parser generator." start="00:04:23.360" video="mainVideo" id=subtitle]]
+[[!template text="It was introduced by the Atom editor in 2018." start="00:04:28.720" video="mainVideo" id=subtitle]]
+[[!template text="Besides Atom, it is also being integrated" start="00:04:33.040" video="mainVideo" id=subtitle]]
+[[!template text="into the NeoVim editor," start="00:04:35.923" video="mainVideo" id=subtitle]]
+[[!template text="and Github is using it to power" start="00:04:37.623" video="mainVideo" id=subtitle]]
+[[!template text="their source code analysis" start="00:04:41.040" video="mainVideo" id=subtitle]]
+[[!template text="and navigation features." start="00:04:42.423" video="mainVideo" id=subtitle]]
+[[!template text="It is written in C and can be compiled" start="00:04:45.840" video="mainVideo" id=subtitle]]
+[[!template text="for all major platforms." start="00:04:48.639" video="mainVideo" id=subtitle]]
+[[!template text="It can even be compiled" start="00:04:50.623" video="mainVideo" id=subtitle]]
+[[!template text="to web assembly to run on the web." start="00:04:53.120" video="mainVideo" id=subtitle]]
+[[!template text="That's how Github is using it on their website." start="00:04:55.323" video="mainVideo" id=subtitle]]
+[[!template new="1" text="So why is tree-sitter an interesting solution to this problem?" start="00:05:00.800" video="mainVideo" id=subtitle]]
+[[!template text="There are multiple features that make it an attractive option." start="00:05:05.840" video="mainVideo" id=subtitle]]
+[[!template text="It is designed to be fast." start="00:05:10.000" video="mainVideo" id=subtitle]]
+[[!template text="By being incremental," start="00:05:11.839" video="mainVideo" id=subtitle]]
+[[!template text="the initial parse of a typical big file" start="00:05:13.680" video="mainVideo" id=subtitle]]
+[[!template text="can take tens of milliseconds," start="00:05:15.680" video="mainVideo" id=subtitle]]
+[[!template text="while subsequent incremental processes" start="00:05:18.160" video="mainVideo" id=subtitle]]
+[[!template text="are sub-millisecond." start="00:05:20.240" video="mainVideo" id=subtitle]]
+[[!template text="It achieves this by using structural sharing," start="00:05:22.560" video="mainVideo" id=subtitle]]
+[[!template text="meaning replacing only affected nodes" start="00:05:26.240" video="mainVideo" id=subtitle]]
+[[!template text="in the old tree when it needs to." start="00:05:29.360" video="mainVideo" id=subtitle]]
+[[!template text="Also, unlike LSP, being in the same process," start="00:05:32.960" video="mainVideo" id=subtitle]]
+[[!template text="it has much lower latency." start="00:05:37.120" video="mainVideo" id=subtitle]]
+[[!template new="1" text="Secondly, it provides a uniform programming interface." start="00:05:40.639" video="mainVideo" id=subtitle]]
+[[!template text="The same data structures and functions" start="00:05:44.960" video="mainVideo" id=subtitle]]
+[[!template text="work on parse trees of different languages." start="00:05:47.039" video="mainVideo" id=subtitle]]
+[[!template text="Syntax nodes of different languages" start="00:05:50.400" video="mainVideo" id=subtitle]]
+[[!template text="differ only by their types" start="00:05:52.160" video="mainVideo" id=subtitle]]
+[[!template text="and their possible child nodes." start="00:05:54.160" video="mainVideo" id=subtitle]]
+[[!template text="This is a big advantage over language-specific parsers." start="00:05:55.723" video="mainVideo" id=subtitle]]
+[[!template text="Thirdly, it's written in self-contained embeddable C." start="00:06:02.240" video="mainVideo" id=subtitle]]
+[[!template text="As I mentioned previously, it can even be compiled to webassembly." start="00:06:06.880" video="mainVideo" id=subtitle]]
+[[!template text="This makes integrating it into various editors quite easy" start="00:06:11.723" video="mainVideo" id=subtitle]]
+[[!template text="without having to install any external dependencies." start="00:06:16.106" video="mainVideo" id=subtitle]]
+[[!template new="1" text="One thing that is not mentioned here" start="00:06:22.880" video="mainVideo" id=subtitle]]
+[[!template text="is that being a parser generator," start="00:06:25.503" video="mainVideo" id=subtitle]]
+[[!template text="its grammars are declarative." start="00:06:28.000" video="mainVideo" id=subtitle]]
+[[!template text="Together with being editor-independent," start="00:06:31.039" video="mainVideo" id=subtitle]]
+[[!template text="this makes the pool of potential contributors much larger." start="00:06:34.880" video="mainVideo" id=subtitle]]
+[[!template new="1" text="So I was convinced that tree-sitter is a good fit for Emacs." start="00:06:39.139" video="mainVideo" id=subtitle]]
+[[!template text="Last year, I started writing the bindings" start="00:06:45.520" video="mainVideo" id=subtitle]]
+[[!template text="using dynamic module support introduced in Emacs 25." start="00:06:48.000" video="mainVideo" id=subtitle]]
+[[!template text="Dynamic module means there is platform-specific native code involved," start="00:06:53.280" video="mainVideo" id=subtitle]]
+[[!template text="but since there are pre-compiled binaries" start="00:06:58.479" video="mainVideo" id=subtitle]]
+[[!template text="for the three major platforms," start="00:07:00.560" video="mainVideo" id=subtitle]]
+[[!template text="it should work in most places." start="00:07:02.880" video="mainVideo" id=subtitle]]
+[[!template text="Currently, the core functionalities are in a pretty good shape." start="00:07:04.706" video="mainVideo" id=subtitle]]
+[[!template text="Syntax highlighting is working nicely." start="00:07:09.440" video="mainVideo" id=subtitle]]
+[[!template new="1" text="The whole thing is split into three packages." start="00:07:12.560" video="mainVideo" id=subtitle]]
+[[!template text="tree-sitter is the main package that other packages should depend on." start="00:07:16.080" video="mainVideo" id=subtitle]]
+[[!template text="tree-sitter-langs is the language bundle" start="00:07:20.319" video="mainVideo" id=subtitle]]
+[[!template text="that includes support" start="00:07:22.800" video="mainVideo" id=subtitle]]
+[[!template text="for most common languages." start="00:07:24.000" video="mainVideo" id=subtitle]]
+[[!template text="And finally, the core APIs are in the package tsc," start="00:07:27.199" video="mainVideo" id=subtitle]]
+[[!template text="which stands for tree-sitter-core." start="00:07:32.160" video="mainVideo" id=subtitle]]
+[[!template text="It is the implicit dependency of the" start="00:07:36.160" video="mainVideo" id=subtitle]]
+[[!template text="tree-sitter package." start="00:07:38.800" video="mainVideo" id=subtitle]]
+[[!template text="The main package includes the minor mode tree-sitter-mode." start="00:07:43.520" video="mainVideo" id=subtitle]]
+[[!template text="This provides the base for other major or minor modes to build on." start="00:07:47.520" video="mainVideo" id=subtitle]]
+[[!template text="Using Emacs's change tracking hooks," start="00:07:52.560" video="mainVideo" id=subtitle]]
+[[!template text="it enables incremental parsing" start="00:07:54.839" video="mainVideo" id=subtitle]]
+[[!template text="and provides a syntax tree that is always up to date" start="00:07:57.073" video="mainVideo" id=subtitle]]
+[[!template text="after any edits in a buffer." start="00:08:00.800" video="mainVideo" id=subtitle]]
+[[!template text="There is also a basic debug mode" start="00:08:04.080" video="mainVideo" id=subtitle]]
+[[!template text="that shows the parse tree in another buffer." start="00:08:06.223" video="mainVideo" id=subtitle]]
+[[!template new="1" text="Here is a quick demo." start="00:08:10.080" video="mainVideo" id=subtitle]]
+[[!template text="Here I'm in an empty Python buffer" start="00:08:13.360" video="mainVideo" id=subtitle]]
+[[!template text="with tree-sitter enabled." start="00:08:15.673" video="mainVideo" id=subtitle]]
+[[!template text="I'm going to turn on the debug mode to" start="00:08:17.520" video="mainVideo" id=subtitle]]
+[[!template text="see the parse tree." start="00:08:19.440" video="mainVideo" id=subtitle]]
+[[!template text="Since the buffer is empty," start="00:08:26.560" video="mainVideo" id=subtitle]]
+[[!template text="there is only one node in the syntax tree:" start="00:08:28.106" video="mainVideo" id=subtitle]]
+[[!template text="the top-level module node." start="00:08:30.423" video="mainVideo" id=subtitle]]
+[[!template text="Let's try typing some code." start="00:08:33.279" video="mainVideo" id=subtitle]]
+[[!template text="As you can see, as I type into the Python buffer," start="00:09:11.040" video="mainVideo" id=subtitle]]
+[[!template text="the syntax tree updates in real time." start="00:09:14.640" video="mainVideo" id=subtitle]]
+[[!template new="1" text="The other minor mode included in the main package" start="00:09:19.120" video="mainVideo" id=subtitle]]
+[[!template text="is tree-sitter-hl-mode." start="00:09:22.039" video="mainVideo" id=subtitle]]
+[[!template text="It overrides font-lock mode" start="00:09:24.389" video="mainVideo" id=subtitle]]
+[[!template text="and provides its own set of phases" start="00:09:26.349" video="mainVideo" id=subtitle]]
+[[!template text="and customization options" start="00:09:28.480" video="mainVideo" id=subtitle]]
+[[!template text="It is query-driven." start="00:09:30.139" video="mainVideo" id=subtitle]]
+[[!template text="That means instead of regular expressions," start="00:09:32.800" video="mainVideo" id=subtitle]]
+[[!template text="it uses a Lisp-like query language" start="00:09:36.240" video="mainVideo" id=subtitle]]
+[[!template text="to map syntax nodes" start="00:09:39.518" video="mainVideo" id=subtitle]]
+[[!template text="to highlighting phrases." start="00:09:40.320" video="mainVideo" id=subtitle]]
+[[!template text="I'm going to open a python file with small snippets" start="00:09:41.923" video="mainVideo" id=subtitle]]
+[[!template text="that showcase syntax highlighting." start="00:09:45.760" video="mainVideo" id=subtitle]]
+[[!template text="So this is the default highlighting" start="00:09:54.320" video="mainVideo" id=subtitle]]
+[[!template text="provided by python-mode." start="00:09:55.920" video="mainVideo" id=subtitle]]
+[[!template text="This is the highlighting enabled by tree-sitter." start="00:10:00.880" video="mainVideo" id=subtitle]]
+[[!template text="As you can see, string interpolation" start="00:10:04.640" video="mainVideo" id=subtitle]]
+[[!template text="and decorators are highlighted correctly." start="00:10:07.680" video="mainVideo" id=subtitle]]
+[[!template text="Function calls are also highlighted." start="00:10:11.680" video="mainVideo" id=subtitle]]
+[[!template text="You can also note that property accessors" start="00:10:17.440" video="mainVideo" id=subtitle]]
+[[!template text="and property assignments are highlighted differently." start="00:10:21.839" video="mainVideo" id=subtitle]]
+[[!template text="What I like the most about this is that" start="00:10:27.440" video="mainVideo" id=subtitle]]
+[[!template text="new bindings are consistently highlighted." start="00:10:29.360" video="mainVideo" id=subtitle]]
+[[!template text="This included local variables," start="00:10:32.640" video="mainVideo" id=subtitle]]
+[[!template text="function parameters, and property mutations." start="00:10:36.320" video="mainVideo" id=subtitle]]
+[[!template new="1" text="Before going through the tree queries" start="00:10:45.760" video="mainVideo" id=subtitle]]
+[[!template text="and the syntax highlighting" start="00:10:48.000" video="mainVideo" id=subtitle]]
+[[!template text="customization options," start="00:10:49.279" video="mainVideo" id=subtitle]]
+[[!template text="let's take a brief look at" start="00:10:51.680" video="mainVideo" id=subtitle]]
+[[!template text="the core data structures and functions" start="00:10:53.339" video="mainVideo" id=subtitle]]
+[[!template text="that tree-sitter provides." start="00:10:55.040" video="mainVideo" id=subtitle]]
+[[!template text="So parsing is done with the help of" start="00:10:58.079" video="mainVideo" id=subtitle]]
+[[!template text="a generic parser object." start="00:11:00.743" video="mainVideo" id=subtitle]]
+[[!template text="A single parser object can be used to" start="00:11:02.240" video="mainVideo" id=subtitle]]
+[[!template text="parse different languages" start="00:11:04.160" video="mainVideo" id=subtitle]]
+[[!template text="by sending different language objects to it." start="00:11:06.000" video="mainVideo" id=subtitle]]
+[[!template text="The language objects themselves are" start="00:11:09.279" video="mainVideo" id=subtitle]]
+[[!template text="loaded from shared libraries." start="00:11:10.880" video="mainVideo" id=subtitle]]
+[[!template text="Since tree-sitter-mmode already handles" start="00:11:14.079" video="mainVideo" id=subtitle]]
+[[!template text="the parsing part," start="00:11:16.079" video="mainVideo" id=subtitle]]
+[[!template text="we will instead focus on the functions" start="00:11:17.360" video="mainVideo" id=subtitle]]
+[[!template text="that inspect nodes," start="00:11:19.440" video="mainVideo" id=subtitle]]
+[[!template text="and in the resulting path tree," start="00:11:20.800" video="mainVideo" id=subtitle]]
+[[!template text="we can ask tree-sitter what is" start="00:11:25.279" video="mainVideo" id=subtitle]]
+[[!template text="the syntax node at point." start="00:11:27.030" video="mainVideo" id=subtitle]]
+[[!template text="This is an opaque object, so this is not very useful." start="00:11:44.240" video="mainVideo" id=subtitle]]
+[[!template text="We can instead ask what is its type." start="00:11:48.480" video="mainVideo" id=subtitle]]
+[[!template text="So its type is the symbol comparison operator." start="00:12:03.760" video="mainVideo" id=subtitle]]
+[[!template new="1" text="In tree-sitter, there are two kinds of nodes," start="00:12:08.959" video="mainVideo" id=subtitle]]
+[[!template text="anonymous nodes and named nodes." start="00:12:11.600" video="mainVideo" id=subtitle]]
+[[!template text="Anonymous nodes correspond to simple grammar elements" start="00:12:13.680" video="mainVideo" id=subtitle]]
+[[!template text="like keywords, operators, punctuations, and so on." start="00:12:17.040" video="mainVideo" id=subtitle]]
+[[!template text="Name nodes, on the other hand, are grammar elements" start="00:12:21.279" video="mainVideo" id=subtitle]]
+[[!template text="that are interesting enough on their own" start="00:12:24.656" video="mainVideo" id=subtitle]]
+[[!template text="to have a name, like an identifier," start="00:12:26.639" video="mainVideo" id=subtitle]]
+[[!template text="an expression, or a function definition." start="00:12:30.029" video="mainVideo" id=subtitle]]
+[[!template text="Name node types are symbols," start="00:12:35.440" video="mainVideo" id=subtitle]]
+[[!template text="while anonymous node types are strings." start="00:12:37.323" video="mainVideo" id=subtitle]]
+[[!template text="For example, if we are on this comparison operator," start="00:12:42.639" video="mainVideo" id=subtitle]]
+[[!template text="the node type should be a string." start="00:12:49.760" video="mainVideo" id=subtitle]]
+[[!template text="We can also get other information about the node." start="00:12:55.920" video="mainVideo" id=subtitle]]
+[[!template text="For example: what is this text," start="00:12:58.959" video="mainVideo" id=subtitle]]
+[[!template text="or where it is in the buffer," start="00:13:09.680" video="mainVideo" id=subtitle]]
+[[!template text="or what is its parent." start="00:13:20.800" video="mainVideo" id=subtitle]]
+[[!template new="1" text="There are many other APIs to query" start="00:13:43.199" video="mainVideo" id=subtitle]]
+[[!template text="our node's properties." start="00:13:46.106" video="mainVideo" id=subtitle]]
+[[!template text="tree-sitter allows searching" start="00:13:52.639" video="mainVideo" id=subtitle]]
+[[!template text="for structural patterns within a parse tree." start="00:13:54.234" video="mainVideo" id=subtitle]]
+[[!template text="It does so through a Lisp-like language." start="00:13:58.240" video="mainVideo" id=subtitle]]
+[[!template text="This language supports matching by node types," start="00:14:01.440" video="mainVideo" id=subtitle]]
+[[!template text="field names, and predicates." start="00:14:04.639" video="mainVideo" id=subtitle]]
+[[!template text="It also allows capturing nodes for further processing." start="00:14:07.760" video="mainVideo" id=subtitle]]
+[[!template text="Let's try to see some examples." start="00:14:12.639" video="mainVideo" id=subtitle]]
+[[!template text="So in this very simple query," start="00:14:37.680" video="mainVideo" id=subtitle]]
+[[!template text="we just try to highlight all the identifiers in the buffer." start="00:14:40.206" video="mainVideo" id=subtitle]]
+[[!template text="This s side tells tree-sitter to capture a node." start="00:14:49.040" video="mainVideo" id=subtitle]]
+[[!template text="In the context of the query builder," start="00:14:53.120" video="mainVideo" id=subtitle]]
+[[!template text="it's not very important," start="00:14:55.507" video="mainVideo" id=subtitle]]
+[[!template text="but in normal highlighting query," start="00:14:57.360" video="mainVideo" id=subtitle]]
+[[!template text="this will determine" start="00:14:59.706" video="mainVideo" id=subtitle]]
+[[!template text="the face used to highlight the note." start="00:15:01.760" video="mainVideo" id=subtitle]]
+[[!template text="Suppose we want to capture" start="00:15:06.639" video="mainVideo" id=subtitle]]
+[[!template text="all the function names," start="00:15:08.256" video="mainVideo" id=subtitle]]
+[[!template text="instead of just any identifier." start="00:15:10.320" video="mainVideo" id=subtitle]]
+[[!template text="You can improve the query like this." start="00:15:13.519" video="mainVideo" id=subtitle]]
+[[!template text="This will highlight the whole definition." start="00:15:29.440" video="mainVideo" id=subtitle]]
+[[!template text="But we only want to capture the function name," start="00:15:32.639" video="mainVideo" id=subtitle]]
+[[!template text="which means the identifier here." start="00:15:36.399" video="mainVideo" id=subtitle]]
+[[!template text="So we move the capture to after the identifier node." start="00:15:41.054" video="mainVideo" id=subtitle]]
+[[!template text="If we want to capture the class names as well," start="00:15:49.600" video="mainVideo" id=subtitle]]
+[[!template text="we just add another pattern." start="00:15:52.959" video="mainVideo" id=subtitle]]
+[[!template new="1" text="Let's look at a more practical example." start="00:16:10.079" video="mainVideo" id=subtitle]]
+[[!template text="Here we can see that single-quoted strings" start="00:16:20.320" video="mainVideo" id=subtitle]]
+[[!template text="and double-quoted strings are highlighted the same." start="00:16:23.468" video="mainVideo" id=subtitle]]
+[[!template text="But in some places," start="00:16:27.279" video="mainVideo" id=subtitle]]
+[[!template text="because of some coding conventions," start="00:16:30.399" video="mainVideo" id=subtitle]]
+[[!template text="it may be desirable to highlight them differently." start="00:16:33.440" video="mainVideo" id=subtitle]]
+[[!template text="For example, if the string is single-quoted," start="00:16:36.373" video="mainVideo" id=subtitle]]
+[[!template text="we may want to highlight it as a constant." start="00:16:39.073" video="mainVideo" id=subtitle]]
+[[!template text="Let's try to see whether we can" start="00:16:44.399" video="mainVideo" id=subtitle]]
+[[!template text="distinguish these two cases." start="00:16:46.160" video="mainVideo" id=subtitle]]
+[[!template text="So here we get all the strings." start="00:16:56.240" video="mainVideo" id=subtitle]]
+[[!template text="If we want to see if it's single quotes" start="00:17:00.639" video="mainVideo" id=subtitle]]
+[[!template text="or double quote strings," start="00:17:04.079" video="mainVideo" id=subtitle]]
+[[!template text="we can try looking at the first character of the string--" start="00:17:08.799" video="mainVideo" id=subtitle]]
+[[!template text="I mean the first character of the node--" start="00:17:13.436" video="mainVideo" id=subtitle]]
+[[!template text="to check whether it's a single quote or a double quote." start="00:17:16.720" video="mainVideo" id=subtitle]]
+[[!template text="So for that, we use tree-sitter's support for predicates." start="00:17:33.600" video="mainVideo" id=subtitle]]
+[[!template text="In this case, we use a match predicate" start="00:17:38.920" video="mainVideo" id=subtitle]]
+[[!template text="to check whether the string-- whether the node starts" start="00:17:43.360" video="mainVideo" id=subtitle]]
+[[!template text="with a single quote." start="00:17:47.339" video="mainVideo" id=subtitle]]
+[[!template text="And with this pattern," start="00:17:49.556" video="mainVideo" id=subtitle]]
+[[!template text="we only capture the single-quotes strings." start="00:17:51.280" video="mainVideo" id=subtitle]]
+[[!template text="Let's try to give it a different face." start="00:18:00.400" video="mainVideo" id=subtitle]]
+[[!template text="So we copy the pattern," start="00:18:03.760" video="mainVideo" id=subtitle]]
+[[!template text="and we add this pattern for Python only." start="00:18:13.039" video="mainVideo" id=subtitle]]
+[[!template text="But we also want to give the capture a different name." start="00:18:25.120" video="mainVideo" id=subtitle]]
+[[!template text="Let's say we want to highlight it as a keyword." start="00:18:31.440" video="mainVideo" id=subtitle]]
+[[!template text="And now, if we refresh the buffer," start="00:18:46.559" video="mainVideo" id=subtitle]]
+[[!template text="we see that single quote strings" start="00:19:06.320" video="mainVideo" id=subtitle]]
+[[!template text="are highlighted as keywords." start="00:19:08.523" video="mainVideo" id=subtitle]]
+[[!template new="1" text="The highlighting patterns" start="00:19:14.400" video="mainVideo" id=subtitle]]
+[[!template text="can also be set for a single project" start="00:19:15.751" video="mainVideo" id=subtitle]]
+[[!template text="using directory-local variables." start="00:19:19.200" video="mainVideo" id=subtitle]]
+[[!template text="For example, let's take a look at Emacs's source code." start="00:19:23.440" video="mainVideo" id=subtitle]]
+[[!template text="So in Emacs's C source, there are a lot of uses" start="00:19:35.760" video="mainVideo" id=subtitle]]
+[[!template text="of these different macros" start="00:19:41.123" video="mainVideo" id=subtitle]]
+[[!template text="to define functions," start="00:19:43.760" video="mainVideo" id=subtitle]]
+[[!template text="and you can see this is actually the function name," start="00:19:47.679" video="mainVideo" id=subtitle]]
+[[!template text="but it's highlighted as the string." start="00:19:53.256" video="mainVideo" id=subtitle]]
+[[!template text="So what we want is to somehow recognize this pattern" start="00:19:56.373" video="mainVideo" id=subtitle]]
+[[!template text="and highlight it." start="00:20:03.679" video="mainVideo" id=subtitle]]
+[[!template text="Highlight this part" start="00:20:07.600" video="mainVideo" id=subtitle]]
+[[!template text="with the function face instead." start="00:20:11.280" video="mainVideo" id=subtitle]]
+[[!template text="In order to do that," start="00:20:14.559" video="mainVideo" id=subtitle]]
+[[!template text="we put a pattern in this project's directory-local settings file." start="00:20:17.679" video="mainVideo" id=subtitle]]
+[[!template text="So we can put this button in the C mode section." start="00:20:31.760" video="mainVideo" id=subtitle]]
+[[!template text="And now, if we enable tree-sitter," start="00:20:40.159" video="mainVideo" id=subtitle]]
+[[!template text="you can see that this is highlighted" start="00:20:48.000" video="mainVideo" id=subtitle]]
+[[!template text="as a normal function definition." start="00:20:53.200" video="mainVideo" id=subtitle]]
+[[!template text="So this is the function face like we wanted." start="00:20:55.056" video="mainVideo" id=subtitle]]
+[[!template text="The pattern for this is actually pretty simple." start="00:21:01.200" video="mainVideo" id=subtitle]]
+[[!template text="It's only this part." start="00:21:07.200" video="mainVideo" id=subtitle]]
+[[!template text="So if it's a function call" start="00:21:12.373" video="mainVideo" id=subtitle]]
+[[!template text="where the name of the function is defun," start="00:21:16.456" video="mainVideo" id=subtitle]]
+[[!template text="then we highlight the defun as a keyword," start="00:21:19.679" video="mainVideo" id=subtitle]]
+[[!template text="and then the first string element," start="00:21:24.240" video="mainVideo" id=subtitle]]
+[[!template text="we highlight it as a function name." start="00:21:26.923" video="mainVideo" id=subtitle]]
+[[!template new="1" text="Since the language objects are actually native code," start="00:21:35.360" video="mainVideo" id=subtitle]]
+[[!template text="they have to be compiled for each platform" start="00:21:39.280" video="mainVideo" id=subtitle]]
+[[!template text="that we want to support." start="00:21:41.459" video="mainVideo" id=subtitle]]
+[[!template text="This will become a big obstacle for tree-sitter adoption." start="00:21:43.440" video="mainVideo" id=subtitle]]
+[[!template text="Therefore, I've created a language bundle package, tree-sitter-langs," start="00:21:48.159" video="mainVideo" id=subtitle]]
+[[!template text="that takes care of pre-compiling the grammars," start="00:21:52.960" video="mainVideo" id=subtitle]]
+[[!template text="the most common grammars for all three major platforms." start="00:21:55.773" video="mainVideo" id=subtitle]]
+[[!template text="It also takes care of distributing these binaries" start="00:22:01.600" video="mainVideo" id=subtitle]]
+[[!template text="and provides some highlighting queries" start="00:22:05.360" video="mainVideo" id=subtitle]]
+[[!template text="for some of the languages." start="00:22:08.080" video="mainVideo" id=subtitle]]
+[[!template text="It should be noted that this package" start="00:22:11.440" video="mainVideo" id=subtitle]]
+[[!template text="should be treated as a temporary distribution mechanism only," start="00:22:13.760" video="mainVideo" id=subtitle]]
+[[!template text="to help with bootstrapping tree-sitter adoption." start="00:22:19.919" video="mainVideo" id=subtitle]]
+[[!template text="The plan is that eventually these files" start="00:22:24.720" video="mainVideo" id=subtitle]]
+[[!template text="should be provided by" start="00:22:27.760" video="mainVideo" id=subtitle]]
+[[!template text="the language major modes themselves." start="00:22:29.156" video="mainVideo" id=subtitle]]
+[[!template text="But in order to do that, we need better tooling," start="00:22:32.480" video="mainVideo" id=subtitle]]
+[[!template text="so we're not there yet." start="00:22:36.320" video="mainVideo" id=subtitle]]
+[[!template new="1" text="Since the core already works reasonably well," start="00:22:40.240" video="mainVideo" id=subtitle]]
+[[!template text="there are several areas that would benefit" start="00:22:43.280" video="mainVideo" id=subtitle]]
+[[!template text="from the community's contribution." start="00:22:45.289" video="mainVideo" id=subtitle]]
+[[!template text="So tree-sitter's upstream language repositories" start="00:22:49.120" video="mainVideo" id=subtitle]]
+[[!template text="already contain highlighting queries on their own." start="00:22:52.640" video="mainVideo" id=subtitle]]
+[[!template text="However, they are pretty basic," start="00:22:55.679" video="mainVideo" id=subtitle]]
+[[!template text="and they may not fit well with existing Emacs conventions." start="00:22:57.573" video="mainVideo" id=subtitle]]
+[[!template text="Therefore, the language bundle has its own set of highlighting queries." start="00:23:02.559" video="mainVideo" id=subtitle]]
+[[!template text="This requires maintenance until language major modes adopt tree-sitter" start="00:23:07.120" video="mainVideo" id=subtitle]]
+[[!template text="and maintain the queries on their own." start="00:23:12.556" video="mainVideo" id=subtitle]]
+[[!template text="The queries are actually quite easy to write," start="00:23:16.640" video="mainVideo" id=subtitle]]
+[[!template text="as you've already seen." start="00:23:19.056" video="mainVideo" id=subtitle]]
+[[!template text="You just need to be familiar with the language," start="00:23:22.000" video="mainVideo" id=subtitle]]
+[[!template text="familiar enough to come up with sensible highlighting patterns." start="00:23:25.360" video="mainVideo" id=subtitle]]
+[[!template text="And if you are a maintainer of a language major mode," start="00:23:35.200" video="mainVideo" id=subtitle]]
+[[!template text="you may want to consider integrating tree-sitter into your mode," start="00:23:39.679" video="mainVideo" id=subtitle]]
+[[!template text="initially maybe as an optional feature." start="00:23:44.189" video="mainVideo" id=subtitle]]
+[[!template text="The integration is actually pretty straightforward," start="00:23:48.573" video="mainVideo" id=subtitle]]
+[[!template text="especially for syntax highlighting." start="00:23:53.279" video="mainVideo" id=subtitle]]
+[[!template text="Or alternatively," start="00:23:56.640" video="mainVideo" id=subtitle]]
+[[!template text="you can also try writing a new major mode from scratch" start="00:24:01.520" video="mainVideo" id=subtitle]]
+[[!template text="that relies on tree-sitter" start="00:24:05.760" video="mainVideo" id=subtitle]]
+[[!template text="from the very beginning." start="00:24:08.000" video="mainVideo" id=subtitle]]
+[[!template text="The code for such a major mode is quite simple." start="00:24:12.559" video="mainVideo" id=subtitle]]
+[[!template text="For example, this is the proposed" start="00:24:17.523" video="mainVideo" id=subtitle]]
+[[!template text="wat-mode for web assembly." start="00:24:23.200" video="mainVideo" id=subtitle]]
+[[!template text="The code is just one page of code, not a lot." start="00:24:26.240" video="mainVideo" id=subtitle]]
+[[!template text="You can also try writing new minor modes" start="00:24:39.520" video="mainVideo" id=subtitle]]
+[[!template text="or writing integration packages." start="00:24:42.720" video="mainVideo" id=subtitle]]
+[[!template text="For example, a lot of packages" start="00:24:46.559" video="mainVideo" id=subtitle]]
+[[!template text="may benefit from tree-sitter integration," start="00:24:50.880" video="mainVideo" id=subtitle]]
+[[!template text="but no one has written the integration yet." start="00:24:54.559" video="mainVideo" id=subtitle]]
+[[!template new="1" text="If you are interested in tree-sitter," start="00:25:02.960" video="mainVideo" id=subtitle]]
+[[!template text="you can use these links to learn more about it." start="00:25:04.836" video="mainVideo" id=subtitle]]
+[[!template text="I think that's it for me today." start="00:25:08.023" video="mainVideo" id=subtitle]]
+[[!template text="I'm happy to answer any questions." start="00:25:11.440" video="mainVideo" id=subtitle]]
diff --git a/2020/subtitles/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen-autogen.vtt b/2020/subtitles/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen.vtt
index 62ad5f65..276f3150 100644
--- a/2020/subtitles/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen-autogen.vtt
+++ b/2020/subtitles/emacsconf-2020--23-incremental-parsing-with-emacs-tree-sitter--tuan-anh-nguyen.vtt
@@ -606,802 +606,630 @@ This is the highlighting enabled
by tree-sitter.
00:10:04.640 --> 00:10:07.680
-as you can see string interpolation
+As you can see, string interpolation
00:10:07.680 --> 00:10:11.680
-and decorators are highlighted correctly
+and decorators are highlighted correctly.
00:10:11.680 --> 00:10:17.440
-function calls are also highlighted
+Function calls are also highlighted.
-00:10:17.440 --> 00:10:20.240
-you can also note that property
+00:10:17.440 --> 00:10:21.839
+You can also note that
+property accessors
-00:10:20.240 --> 00:10:21.839
-assessors
-
-00:10:21.839 --> 00:10:24.640
+00:10:21.839 --> 00:10:27.440
and property assignments are highlighted
-
-00:10:24.640 --> 00:10:27.440
-differently
+differently.
00:10:27.440 --> 00:10:29.360
-what I like the most about this is that
+What I like the most about this is that
-00:10:29.360 --> 00:10:30.880
+00:10:29.360 --> 00:10:32.640
new bindings are consistently
-
-00:10:30.880 --> 00:10:32.640
-highlighted
+highlighted.
00:10:32.640 --> 00:10:36.320
-this included local variable
+This included local variables,
-00:10:36.320 --> 00:10:39.760
-function parameters and property
-
-00:10:39.760 --> 00:10:45.760
-mutations
+00:10:36.320 --> 00:10:45.760
+function parameters, and property
+mutations.
00:10:45.760 --> 00:10:48.000
-before going through the three queries
+Before going through the tree queries
00:10:48.000 --> 00:10:49.279
and the syntax highlighting
00:10:49.279 --> 00:10:51.680
-customization options
+customization options,
-00:10:51.680 --> 00:10:53.760
-let's take a brief look at the core data
+00:10:51.680 --> 00:10:53.339
+let's take a brief look at
-00:10:53.760 --> 00:10:55.040
-structures and functions
+00:10:53.339 --> 00:10:55.040
+the core data structures and functions
00:10:55.040 --> 00:10:58.079
-that tree sitter provides
+that tree-sitter provides.
-00:10:58.079 --> 00:10:59.839
-so parsing is done with the help of a
+00:10:58.079 --> 00:11:00.743
+So parsing is done with the help of
-00:10:59.839 --> 00:11:02.240
-generic parser object
+00:11:00.743 --> 00:11:02.240
+a generic parser object.
00:11:02.240 --> 00:11:04.160
-a single parser object can be used to
+A single parser object can be used to
00:11:04.160 --> 00:11:06.000
-pass different languages
+parse different languages
-00:11:06.000 --> 00:11:08.320
+00:11:06.000 --> 00:11:09.279
by sending different language objects to
-
-00:11:08.320 --> 00:11:09.279
-it
+it.
00:11:09.279 --> 00:11:10.880
-the language objects themselves are
+The language objects themselves are
00:11:10.880 --> 00:11:14.079
-loaded from shared libraries
+loaded from shared libraries.
00:11:14.079 --> 00:11:16.079
-since three seater mode already handles
+Since tree-sitter-mmode already handles
00:11:16.079 --> 00:11:17.360
-the parsing part
+the parsing part,
00:11:17.360 --> 00:11:19.440
we will instead focus on the functions
00:11:19.440 --> 00:11:20.800
-that inspect nodes
+that inspect nodes,
00:11:20.800 --> 00:11:25.279
-and in the resulting path tree
-
-00:11:25.279 --> 00:11:27.200
-we can ask tree sitter what is the
+and in the resulting path tree,
-00:11:27.200 --> 00:11:44.240
-syntax node at point
+00:11:25.279 --> 00:11:27.030
+we can ask tree-sitter what is
-00:11:44.240 --> 00:11:47.200
-uh is it an opaque object so this is not
+00:11:27.030 --> 00:11:44.240
+the syntax node at point.
-00:11:47.200 --> 00:11:48.480
-very useful
+00:11:44.240 --> 00:11:48.480
+This is an opaque object, so this is not
+very useful.
00:11:48.480 --> 00:12:03.760
-we can instead ask what is its type
+We can instead ask what is its type.
-00:12:03.760 --> 00:12:06.560
-so his type is the symbol comparison
-
-00:12:06.560 --> 00:12:08.959
-operator
+00:12:03.760 --> 00:12:08.959
+So its type is the symbol comparison
+operator.
00:12:08.959 --> 00:12:11.600
-trees there are two kinds of nodes
+In tree-sitter, there are two kinds of nodes,
00:12:11.600 --> 00:12:13.680
-anonymous nodes and named nodes
-
-00:12:13.680 --> 00:12:15.519
-anonymous nodes correspond to simple
+anonymous nodes and named nodes.
-00:12:15.519 --> 00:12:17.040
+00:12:13.680 --> 00:12:17.040
+Anonymous nodes correspond to simple
grammar elements
-00:12:17.040 --> 00:12:19.839
-like keywords operators punctuations and
-
-00:12:19.839 --> 00:12:21.279
-so on
-
-00:12:21.279 --> 00:12:24.160
-name nodes on the other hand grammar
-
-00:12:24.160 --> 00:12:25.920
-elements that are interesting enough for
+00:12:17.040 --> 00:12:21.279
+like keywords, operators, punctuations,
+and so on.
-00:12:25.920 --> 00:12:26.639
-their own
-
-00:12:26.639 --> 00:12:30.320
-to have a name like an identifier an
+00:12:21.279 --> 00:12:24.656
+Name nodes, on the other hand, are
+grammar elements
-00:12:30.320 --> 00:12:31.839
-expression
+00:12:24.656 --> 00:12:26.639
+that are interesting enough
+on their own
-00:12:31.839 --> 00:12:35.440
-or a function definition
+00:12:26.639 --> 00:12:30.029
+to have a name, like an identifier,
-00:12:35.440 --> 00:12:37.760
-name node types are symbols while
+00:12:30.029 --> 00:12:35.440
+an expression, or a function definition.
-00:12:37.760 --> 00:12:42.639
-anonymous node types are strings
+00:12:35.440 --> 00:12:37.323
+Name node types are symbols,
-00:12:42.639 --> 00:12:46.320
-for example if we are on this
+00:12:37.323 --> 00:12:42.639
+while anonymous node types are strings.
-00:12:46.320 --> 00:12:49.760
-comparison operator
+00:12:42.639 --> 00:12:49.760
+For example, if we are on this
+comparison operator,
00:12:49.760 --> 00:12:55.920
-the node type should be a string
-
-00:12:55.920 --> 00:12:57.920
-we can also get other information about
+the node type should be a string.
-00:12:57.920 --> 00:12:58.959
-the node
+00:12:55.920 --> 00:12:58.959
+We can also get other information about
+the node.
00:12:58.959 --> 00:13:09.680
-for example what is this text
+For example: what is this text,
00:13:09.680 --> 00:13:20.800
-or where it is in the buffer
+or where it is in the buffer,
00:13:20.800 --> 00:13:43.199
-or what is its parent
+or what is its parent.
-00:13:43.199 --> 00:13:46.160
-there are many other apis to query or
+00:13:43.199 --> 00:13:46.106
+There are many other APIs to query
-00:13:46.160 --> 00:13:46.839
-not
+00:13:46.106 --> 00:13:52.639
+our node's properties.
-00:13:46.839 --> 00:13:52.639
-properties
+00:13:52.639 --> 00:13:54.234
+tree-sitter allows searching
-00:13:52.639 --> 00:13:54.399
-tree sitter allows searching for
-
-00:13:54.399 --> 00:13:58.240
-structural patterns within a parse tree
+00:13:54.234 --> 00:13:58.240
+for structural patterns
+within a parse tree.
00:13:58.240 --> 00:14:01.440
-it does so through a list like language
-
-00:14:01.440 --> 00:14:03.519
-this language supports by the matching
+It does so through a Lisp-like language.
-00:14:03.519 --> 00:14:04.639
-by node types
+00:14:01.440 --> 00:14:04.639
+This language supports matching
+by node types,
00:14:04.639 --> 00:14:07.760
-field names and predicates
+field names, and predicates.
-00:14:07.760 --> 00:14:10.079
-it also allows capturing nodes for
-
-00:14:10.079 --> 00:14:12.639
-further processing
+00:14:07.760 --> 00:14:12.639
+It also allows capturing nodes for
+further processing.
00:14:12.639 --> 00:14:37.680
-let's try to see some examples
-
-00:14:37.680 --> 00:14:41.040
-so in this very simple query we just
-
-00:14:41.040 --> 00:14:43.839
-try to highlight all the identifiers in
+Let's try to see some examples.
-00:14:43.839 --> 00:14:49.040
-the buffer
+00:14:37.680 --> 00:14:40.206
+So in this very simple query,
-00:14:49.040 --> 00:14:51.920
-this s side tells trisito to capture a
+00:14:40.206 --> 00:14:49.040
+we just try to highlight all the
+identifiers in the buffer.
-00:14:51.920 --> 00:14:53.120
-node
+00:14:49.040 --> 00:14:53.120
+This s side tells tree-sitter
+to capture a node.
-00:14:53.120 --> 00:14:55.839
-in the context of the query builder it's
+00:14:53.120 --> 00:14:55.507
+In the context of the query builder,
-00:14:55.839 --> 00:14:57.360
-not very important
+00:14:55.507 --> 00:14:57.360
+it's not very important,
-00:14:57.360 --> 00:15:00.320
-but in normal highlighting query this
+00:14:57.360 --> 00:14:59.706
+but in normal highlighting query,
-00:15:00.320 --> 00:15:01.760
-will determine
+00:14:59.706 --> 00:15:01.760
+this will determine
00:15:01.760 --> 00:15:06.639
-the face used to highlight the note
+the face used to highlight the note.
-00:15:06.639 --> 00:15:08.800
-suppose we want to capture all the
+00:15:06.639 --> 00:15:08.256
+Suppose we want to capture
-00:15:08.800 --> 00:15:10.320
-function names
+00:15:08.256 --> 00:15:10.320
+all the function names,
00:15:10.320 --> 00:15:13.519
-instead of just any identifier
+instead of just any identifier.
00:15:13.519 --> 00:15:29.440
-you can improve the query like this
-
-00:15:29.440 --> 00:15:31.600
-uh this will highlight the whole
-
-00:15:31.600 --> 00:15:32.639
-definition
+You can improve the query like this.
-00:15:32.639 --> 00:15:35.519
-but we only want to capture the function
+00:15:29.440 --> 00:15:32.639
+This will highlight the whole definition.
-00:15:35.519 --> 00:15:36.399
-name
+00:15:32.639 --> 00:15:36.399
+But we only want to capture
+the function name,
-00:15:36.399 --> 00:15:39.600
-which means the identifier
+00:15:36.399 --> 00:15:41.054
+which means the identifier here.
-00:15:39.600 --> 00:15:42.800
-here so we
+00:15:41.054 --> 00:15:49.600
+So we move the capture to after the
+identifier node.
-00:15:42.800 --> 00:15:46.320
-move the capture to after the identifier
-
-00:15:46.320 --> 00:15:49.600
-node
-
-00:15:49.600 --> 00:15:51.759
-if we want to capture the class names as
-
-00:15:51.759 --> 00:15:52.959
-well
+00:15:49.600 --> 00:15:52.959
+If we want to capture the
+class names as well,
00:15:52.959 --> 00:16:10.079
-we just add another pattern
+we just add another pattern.
00:16:10.079 --> 00:16:20.320
-let's look at a more practical example
-
-00:16:20.320 --> 00:16:22.959
-here we can see that single quotes
-
-00:16:22.959 --> 00:16:23.759
-strings and
+Let's look at a more practical example.
-00:16:23.759 --> 00:16:25.600
-double quotes screens are highlighted
+00:16:20.320 --> 00:16:23.468
+Here we can see that
+single-quoted strings
-00:16:25.600 --> 00:16:27.279
-the same
+00:16:23.468 --> 00:16:27.279
+and double-quoted strings are
+highlighted the same.
00:16:27.279 --> 00:16:30.399
-but in some places
+But in some places,
00:16:30.399 --> 00:16:33.440
-because of some coding conventions
+because of some coding conventions,
-00:16:33.440 --> 00:16:35.440
+00:16:33.440 --> 00:16:36.373
it may be desirable to highlight them
+differently.
-00:16:35.440 --> 00:16:37.279
-differently for example if
+00:16:36.373 --> 00:16:39.073
+For example, if the string is
+single-quoted,
-00:16:37.279 --> 00:16:39.680
-the string is single quoted we may want
-
-00:16:39.680 --> 00:16:40.880
-to highlight it
-
-00:16:40.880 --> 00:16:44.399
-as a constant
+00:16:39.073 --> 00:16:44.399
+we may want to highlight it as a
+constant.
00:16:44.399 --> 00:16:46.160
-let's try to see whether we can
-
-00:16:46.160 --> 00:16:47.600
-distinguish these
+Let's try to see whether we can
-00:16:47.600 --> 00:16:56.240
-two cases
+00:16:46.160 --> 00:16:56.240
+distinguish these two cases.
00:16:56.240 --> 00:17:00.639
-so here we get all the strings
+So here we get all the strings.
00:17:00.639 --> 00:17:04.079
-if we want to see if it's single quotes
+If we want to see if it's single quotes
-00:17:04.079 --> 00:17:04.559
-or
+00:17:04.079 --> 00:17:08.799
+or double quote strings,
-00:17:04.559 --> 00:17:08.799
-double quote strings
-
-00:17:08.799 --> 00:17:11.039
+00:17:08.799 --> 00:17:13.436
we can try looking at the first
+character of the string--
-00:17:11.039 --> 00:17:12.480
-character
-
-00:17:12.480 --> 00:17:15.280
-of the string I mean the first character
+00:17:13.436 --> 00:17:16.720
+I mean the first character of the node--
-00:17:15.280 --> 00:17:16.720
-of the note
-
-00:17:16.720 --> 00:17:19.360
+00:17:16.720 --> 00:17:33.600
to check whether it's a single quote or
+a double quote.
-00:17:19.360 --> 00:17:33.600
-a double quote
-
-00:17:33.600 --> 00:17:36.080
-yeah so for that we use the three
-
-00:17:36.080 --> 00:17:36.799
-setters
-
-00:17:36.799 --> 00:17:40.160
-support for predicate in this case
-
-00:17:40.160 --> 00:17:43.360
-we use a match predicate
+00:17:33.600 --> 00:17:38.920
+So for that, we use tree-sitter's
+support for predicates.
-00:17:43.360 --> 00:17:46.080
-to check whether the string where the
+00:17:38.920 --> 00:17:43.360
+In this case, we use a match predicate
-00:17:46.080 --> 00:17:46.799
-note
+00:17:43.360 --> 00:17:47.339
+to check whether the string--
+whether the node starts
-00:17:46.799 --> 00:17:50.320
-starts with a single quote and with this
+00:17:47.339 --> 00:17:49.556
+with a single quote.
-00:17:50.320 --> 00:17:51.280
-pattern
+00:17:49.556 --> 00:17:51.280
+And with this pattern,
-00:17:51.280 --> 00:17:58.840
-we only capture the single quotes
-
-00:17:58.840 --> 00:18:00.400
-strings
+00:17:51.280 --> 00:18:00.400
+we only capture the single-quotes
+strings.
00:18:00.400 --> 00:18:03.760
-let's try to give it a different face
+Let's try to give it a different face.
00:18:03.760 --> 00:18:13.039
-so we copy the pattern
-
-00:18:13.039 --> 00:18:18.640
-and we add this pattern
-
-00:18:18.640 --> 00:18:25.120
-pop item only
+So we copy the pattern,
-00:18:25.120 --> 00:18:28.400
-but we also want to give the
+00:18:13.039 --> 00:18:25.120
+and we add this pattern for Python only.
-00:18:28.400 --> 00:18:31.440
-capture a different name
+00:18:25.120 --> 00:18:31.440
+But we also want to give the capture
+a different name.
-00:18:31.440 --> 00:18:40.840
-let's say we want to highlight it as a
-
-00:18:40.840 --> 00:18:46.559
-keyword
+00:18:31.440 --> 00:18:46.559
+Let's say we want to highlight it
+as a keyword.
00:18:46.559 --> 00:19:06.320
-and now if we refresh the buffer
-
-00:19:06.320 --> 00:19:08.799
-we see that single quote strings are
+And now, if we refresh the buffer,
-00:19:08.799 --> 00:19:10.320
-highlighted as
+00:19:06.320 --> 00:19:08.523
+we see that single quote strings
-00:19:10.320 --> 00:19:14.400
-keywords
+00:19:08.523 --> 00:19:14.400
+are highlighted as keywords.
-00:19:14.400 --> 00:19:16.400
-the highlighting patterns can also be
+00:19:14.400 --> 00:19:15.751
+The highlighting patterns
-00:19:16.400 --> 00:19:19.200
-set for a single project
+00:19:15.751 --> 00:19:19.200
+can also be set for a single project
00:19:19.200 --> 00:19:23.440
-using directory local variable
+using directory-local variables.
-00:19:23.440 --> 00:19:26.880
-for example let's take a look at
+00:19:23.440 --> 00:19:35.760
+For example, let's take a look at
+Emacs's source code.
-00:19:26.880 --> 00:19:35.760
-ems source code
+00:19:35.760 --> 00:19:41.123
+So in Emacs's C source,
+there are a lot of uses
-00:19:35.760 --> 00:19:40.400
-so in image c source there are a lot of
-
-00:19:40.400 --> 00:19:43.760
-uses of these different macros
+00:19:41.123 --> 00:19:43.760
+of these different macros
00:19:43.760 --> 00:19:47.679
-to define functions
-
-00:19:47.679 --> 00:19:51.200
-and you can see
-
-00:19:51.200 --> 00:19:53.520
-this is actually the function name but
+to define functions,
-00:19:53.520 --> 00:19:55.760
-it's highlighted as the
+00:19:47.679 --> 00:19:53.256
+and you can see this is actually
+the function name,
-00:19:55.760 --> 00:19:59.120
-string so what we want
+00:19:53.256 --> 00:19:56.373
+but it's highlighted as the string.
-00:19:59.120 --> 00:20:03.679
-is to somehow recognize this pattern
+00:19:56.373 --> 00:20:03.679
+So what we want is to somehow
+recognize this pattern
00:20:03.679 --> 00:20:07.600
-and highlight it
+and highlight it.
00:20:07.600 --> 00:20:11.280
-as highlight this part
+Highlight this part
00:20:11.280 --> 00:20:14.559
-with the function phase instead
+with the function face instead.
00:20:14.559 --> 00:20:17.679
-in order to do that
-
-00:20:17.679 --> 00:20:20.240
-we put a pattern in this project
-
-00:20:20.240 --> 00:20:21.760
-directory local
-
-00:20:21.760 --> 00:20:31.760
-settings file
+In order to do that,
-00:20:31.760 --> 00:20:34.799
-so we can put this button in the c
+00:20:17.679 --> 00:20:31.760
+we put a pattern in this project's
+directory-local settings file.
-00:20:34.799 --> 00:20:40.159
-mode section
+00:20:31.760 --> 00:20:40.159
+So we can put this button in
+the C mode section.
00:20:40.159 --> 00:20:48.000
-and now if we enable tree sitter
+And now, if we enable tree-sitter,
00:20:48.000 --> 00:20:50.480
-you can see that this is the highlighted
-
-00:20:50.480 --> 00:20:53.200
-uh
-
-00:20:53.200 --> 00:20:55.520
-as a normal function definition so this
-
-00:20:55.520 --> 00:20:56.559
-is the function
-
-00:20:56.559 --> 00:21:01.200
-face like we wanted
-
-00:21:01.200 --> 00:21:03.760
-the pattern for this is actually pretty
+you can see that this is highlighted
-00:21:03.760 --> 00:21:07.200
-simple
+00:20:53.200 --> 00:20:55.056
+as a normal function definition.
-00:21:07.200 --> 00:21:10.720
-it's only
+00:20:55.056 --> 00:21:01.200
+So this is the function face
+like we wanted.
-00:21:10.720 --> 00:21:14.720
-only this part so
+00:21:01.200 --> 00:21:07.200
+The pattern for this is
+actually pretty simple.
-00:21:14.720 --> 00:21:17.440
-if it's a function call where the name
+00:21:07.200 --> 00:21:12.373
+It's only this part.
-00:21:17.440 --> 00:21:19.679
-of the function is different
+00:21:12.373 --> 00:21:16.456
+So if it's a function call
-00:21:19.679 --> 00:21:21.600
-then we highlight the different as a
+00:21:16.456 --> 00:21:19.679
+where the name of the function is
+defun,
-00:21:21.600 --> 00:21:24.240
-keyword
+00:21:19.679 --> 00:21:24.240
+then we highlight the defun as a
+keyword,
-00:21:24.240 --> 00:21:27.360
-and then the first string element we
+00:21:24.240 --> 00:21:26.923
+and then the first string element,
-00:21:27.360 --> 00:21:28.159
-highlighted
+00:21:26.923 --> 00:21:35.360
+we highlight it as a function name.
-00:21:28.159 --> 00:21:35.360
-as a function name
+00:21:35.360 --> 00:21:39.280
+Since the language objects are actually
+native code,
-00:21:35.360 --> 00:21:37.679
-since the language objects are actually
+00:21:39.280 --> 00:21:41.459
+they have to be compiled
+for each platform
-00:21:37.679 --> 00:21:39.280
-native code
+00:21:41.459 --> 00:21:43.440
+that we want to support.
-00:21:39.280 --> 00:21:40.799
-they have to be compiled for each
+00:21:43.440 --> 00:21:48.159
+This will become a big obstacle for
+tree-sitter adoption.
-00:21:40.799 --> 00:21:43.440
-platform that we want to support
+00:21:48.159 --> 00:21:52.960
+Therefore, I've created a language bundle
+package, tree-sitter-langs,
-00:21:43.440 --> 00:21:45.600
-this will become a big obstacle for
-
-00:21:45.600 --> 00:21:48.159
-3-seater adoption
-
-00:21:48.159 --> 00:21:50.240
-therefore I've created a language window
-
-00:21:50.240 --> 00:21:52.960
-package 3-seater length
-
-00:21:52.960 --> 00:21:54.960
+00:21:52.960 --> 00:21:55.773
that takes care of pre-compiling the
+grammars,
-00:21:54.960 --> 00:21:56.320
-grammars the
-
-00:21:56.320 --> 00:21:59.679
-most common grammars for all three major
+00:21:55.773 --> 00:22:01.600
+the most common grammars for all three
+major platforms.
-00:21:59.679 --> 00:22:01.600
-platforms
-
-00:22:01.600 --> 00:22:04.080
-it also takes care of distributing these
-
-00:22:04.080 --> 00:22:05.360
-binaries
+00:22:01.600 --> 00:22:05.360
+It also takes care of distributing
+these binaries
00:22:05.360 --> 00:22:08.080
and provides some highlighting queries
00:22:08.080 --> 00:22:11.440
-for some of the languages
+for some of the languages.
00:22:11.440 --> 00:22:13.760
-it should be noted that this package
+It should be noted that this package
-00:22:13.760 --> 00:22:15.919
+00:22:13.760 --> 00:22:19.919
should be treated as a temporary
+distribution mechanism only,
-00:22:15.919 --> 00:22:19.919
-distribution mechanism only
-
-00:22:19.919 --> 00:22:22.240
-to help with bootstrapping three-seaters
-
-00:22:22.240 --> 00:22:24.720
-adoption
+00:22:19.919 --> 00:22:24.720
+to help with bootstrapping
+tree-sitter adoption.
00:22:24.720 --> 00:22:27.760
-the plan is that eventually these files
-
-00:22:27.760 --> 00:22:29.760
-should be provided by the language major
+The plan is that eventually these files
-00:22:29.760 --> 00:22:32.480
-modes themselves
+00:22:27.760 --> 00:22:29.156
+should be provided by
-00:22:32.480 --> 00:22:35.120
-but in order to do that we need better
+00:22:29.156 --> 00:22:32.480
+the language major modes themselves.
-00:22:35.120 --> 00:22:36.320
-tooling
+00:22:32.480 --> 00:22:36.320
+But in order to do that, we need better
+tooling,
00:22:36.320 --> 00:22:40.240
-so we're not there yet
+so we're not there yet.
-00:22:40.240 --> 00:22:42.559
-since the call already works reasonably
+00:22:40.240 --> 00:22:43.280
+Since the core already works
+reasonably well,
-00:22:42.559 --> 00:22:43.280
-well
+00:22:43.280 --> 00:22:45.289
+there are several areas
+that would benefit
-00:22:43.280 --> 00:22:44.640
-there are several areas that would
+00:22:45.289 --> 00:22:49.120
+from the community's contribution.
-00:22:44.640 --> 00:22:46.320
-benefit from the community's
+00:22:49.120 --> 00:22:52.640
+So tree-sitter's upstream language
+repositories
-00:22:46.320 --> 00:22:49.120
-contribution
-
-00:22:49.120 --> 00:22:51.520
-so three seaters upstream language
-
-00:22:51.520 --> 00:22:52.640
-prepositories
-
-00:22:52.640 --> 00:22:54.400
+00:22:52.640 --> 00:22:55.679
already contain highlighting queries on
+their own.
-00:22:54.400 --> 00:22:55.679
-their own
-
-00:22:55.679 --> 00:22:58.480
-however they are pretty basic and they
-
-00:22:58.480 --> 00:23:00.480
-may not fit well with existing emax
+00:22:55.679 --> 00:22:57.573
+However, they are pretty basic,
-00:23:00.480 --> 00:23:02.559
-conventions
+00:22:57.573 --> 00:23:02.559
+and they may not fit well with existing
+Emacs conventions.
-00:23:02.559 --> 00:23:04.320
-therefore the language bundle has its
+00:23:02.559 --> 00:23:07.120
+Therefore, the language bundle has its
+own set of highlighting queries.
-00:23:04.320 --> 00:23:07.120
-own set of highlighting queries
+00:23:07.120 --> 00:23:12.556
+This requires maintenance until language
+major modes adopt tree-sitter
-00:23:07.120 --> 00:23:10.559
-this requires maintenance until language
+00:23:12.556 --> 00:23:16.640
+and maintain the queries on their own.
-00:23:10.559 --> 00:23:11.600
-measurements adopt
+00:23:16.640 --> 00:23:19.056
+The queries are actually
+quite easy to write,
-00:23:11.600 --> 00:23:13.760
-three sitter and maintain the queries on
+00:23:19.056 --> 00:23:22.000
+as you've already seen.
-00:23:13.760 --> 00:23:16.640
-their own
+00:23:22.000 --> 00:23:25.360
+You just need to be familiar
+with the language,
-00:23:16.640 --> 00:23:18.480
-the queries are actually quite easy to
-
-00:23:18.480 --> 00:23:22.000
-write as you've already seen
-
-00:23:22.000 --> 00:23:24.240
-you just need to be familiar with the
-
-00:23:24.240 --> 00:23:25.360
-language
-
-00:23:25.360 --> 00:23:30.000
+00:23:25.360 --> 00:23:35.200
familiar enough to come up with sensible
+highlighting patterns.
-00:23:30.000 --> 00:23:35.200
-highlighting patterns
-
-00:23:35.200 --> 00:23:37.600
-and if you are a maintainer of a
+00:23:35.200 --> 00:23:39.679
+And if you are a maintainer of a
+language major mode,
-00:23:37.600 --> 00:23:39.679
-language major mode
-
-00:23:39.679 --> 00:23:42.320
+00:23:39.679 --> 00:23:44.189
you may want to consider integrating
+tree-sitter into your mode,
-00:23:42.320 --> 00:23:43.360
-tree sitter into
-
-00:23:43.360 --> 00:23:46.960
-your mode initially maybe as an
-
-00:23:46.960 --> 00:23:50.080
-optional feature the integration is
+00:23:44.189 --> 00:23:48.573
+initially maybe as an optional feature.
-00:23:50.080 --> 00:23:53.279
-actually pretty straightforward
+00:23:48.573 --> 00:23:53.279
+The integration is actually pretty
+straightforward,
00:23:53.279 --> 00:23:56.640
-especially for syntax highlighting
+especially for syntax highlighting.
00:23:56.640 --> 00:24:01.520
-or alternatively
+Or alternatively,
-00:24:01.520 --> 00:24:03.760
+00:24:01.520 --> 00:24:05.760
you can also try writing a new major
+mode from scratch
-00:24:03.760 --> 00:24:04.640
-mode
-
-00:24:04.640 --> 00:24:08.000
-from scratch that relies on tree sitter
+00:24:05.760 --> 00:24:08.000
+that relies on tree-sitter
00:24:08.000 --> 00:24:12.559
-from the very beginning
-
-00:24:12.559 --> 00:24:16.320
-the code for such a major mode is
+from the very beginning.
-00:24:16.320 --> 00:24:19.679
-quite simple for example
+00:24:12.559 --> 00:24:17.523
+The code for such a major mode is
+quite simple.
-00:24:19.679 --> 00:24:23.200
-this is the proposed
+00:24:17.523 --> 00:24:23.200
+For example, this is the proposed
00:24:23.200 --> 00:24:26.240
-what mode for web assembly
+wat-mode for web assembly.
-00:24:26.240 --> 00:24:31.039
-the code is just
-
-00:24:31.039 --> 00:24:34.559
-like one page of code not
-
-00:24:34.559 --> 00:24:39.520
-not a lot
+00:24:26.240 --> 00:24:39.520
+The code is just one page of code,
+not a lot.
00:24:39.520 --> 00:24:42.720
-you can also try writing new minor modes
+You can also try writing new minor modes
00:24:42.720 --> 00:24:46.559
-or writing integration packages
-
-00:24:46.559 --> 00:24:50.080
-for example a lot of package a lot of
+or writing integration packages.
-00:24:50.080 --> 00:24:50.880
-packages
+00:24:46.559 --> 00:24:50.880
+For example, a lot of packages
00:24:50.880 --> 00:24:54.559
-may benefit from tree sitter integration
-
-00:24:54.559 --> 00:24:58.840
-but no one has written the integration
-
-00:24:58.840 --> 00:25:02.960
-yet
+may benefit from tree-sitter integration,
-00:25:02.960 --> 00:25:05.039
-if you are interested in 3-seater you
+00:24:54.559 --> 00:25:02.960
+but no one has written
+the integration yet.
-00:25:05.039 --> 00:25:06.720
-can use these links to
+00:25:02.960 --> 00:25:04.836
+If you are interested in tree-sitter,
-00:25:06.720 --> 00:25:10.320
-learn more about it I think that's it
+00:25:04.836 --> 00:25:08.023
+you can use these links to learn more
+about it.
-00:25:10.320 --> 00:25:11.440
-for me today
+00:25:08.023 --> 00:25:11.440
+I think that's it for me today.
00:25:11.440 --> 00:25:18.159
-I'm happy to answer any questions
+I'm happy to answer any questions.