Re: Tree-sitter introduction documentation

[Gregory Heytings]

> As I said before, it seems that it is possible to evaluate the grammar 
> files that use the DSL using something like quickjs as well, which is 
> easier to build

You asked for it, so here it is:

global = {}
module = {}
process = { env: { TREE_SITTER_GRAMMAR_PATH: './grammar.js' } }
function require(s) { std.loadScript(s); return module.exports; }
std.loadScript('/path/to/the/script/dsl.js')

Put these five lines in a file, say "gen.js", cd in the directory of a 
tree-sitter-<lang> repository, and type

qjs --std /path/to/the/script/gen.js > src/grammar.json

For simple grammars (bash, c, cmake, csharp, css, dockerfile, go, go-mod, 
java, js, json, python, rust, yaml), this will work out of the box.  For 
more complex ones (c++, toml, tsx, typescript), you'll need to edit the 
grammar.js file.  That is left as an exercise for the reader.

Disclaimer: this is NOT what I recommend anyone to do!  TRT is to install 
and use Node.js, at least if you want to spare yourself headaches.