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textmate-bjolang: code highlighted as VS Code does, as Bjolang values

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TextMateSharp runs VS Code's TextMate grammars and themes; this hands
the result over once, as Bjolang values, so nothing using it needs to
know TextMateSharp is there. `tokenize` gives each line's tokens and
their scopes, `highlight` each line's spans in the theme's colours, and
`highlight->node` and `code->node` give (text xml) nodes: a pre and a
code element around spans, coloured inline by the theme or by class
names taken from the scopes. `highlighter-css` writes the stylesheet
for the classes from a theme, choosing each class's rule the way
TextMateSharp's tokenizer chooses a token's.

Bjolang's own grammar is in grammars/bjolang, laid out as a VS Code
extension, and every highlighter reads it from beside the package's
src/. It follows what Bjolang's reader reads, including interpolated
strings with expressions in their holes.

There is no C# shim: everything goes through import/class and
import/extern. The package is kept within TextMateSharp 2.0, because
token colours are decoded with a class in its Internal namespace.

🤖 Generated with [ECA](https://eca.dev) (anthropic/claude-opus-4-7)

Co-Authored-By: eca-agent <git@eca.dev>
This commit is contained in:
Linus Björnstam 2026-09-30 15:51:24 +02:00
commit 0ecc65e134
10 changed files with 2012 additions and 0 deletions
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(package
(name (textmate-bjolang))
(version "0.1.0")
(description "Syntax highlighting for Bjolang: VS Code's TextMate grammars and themes, through TextMateSharp, as (text xml) nodes.")
(license "MPL-2.0")
;; TextMateSharp (MIT) runs the grammars; its Grammars package carries VS
;; Code's grammars and themes, and pulls in Onigwrap, the Oniguruma regex
;; engine as a native library. Kept within 2.0: the token colours are
;; decoded with a class in TextMateSharp's Internal namespace, which a
;; minor version may change.
(packages
(nuget (id "TextMateSharp.Grammars") (version "[2.0.4,2.1)")))
;; A library: there is no src/main.bjo.
)