Add the machinery to load syntax config from TOML.

It's embedded into the binary at build time for now, but it's progress.

3 files changed, 13 insertions, 0 deletions

diff --git a/helix-term/Cargo.toml b/helix-term/Cargo.toml
index eaf8ebd7..2f3aa384 100644
--- a/helix-term/Cargo.toml
+++ b/helix-term/Cargo.toml
@@ -41,3 +41,6 @@ ignore = "0.4"
 dirs-next = "2.0"
 # markdown doc rendering
 pulldown-cmark = { version = "0.8", default-features = false }
+
+# config
+toml = "0.5"
diff --git a/helix-term/src/main.rs b/helix-term/src/main.rs
index 84b52ea2..dc6f31f4 100644
--- a/helix-term/src/main.rs
+++ b/helix-term/src/main.rs
@@ -73,6 +73,14 @@ fn main() {
 
     setup_logging(verbosity).expect("failed to initialize logging.");
 
+    // initialize language registry
+    use helix_core::syntax::{Loader, LOADER};
+    let toml = include_str!("../../languages.toml");
+    LOADER.get_or_init(|| {
+        let config = toml::from_str(&toml).expect("Could not parse languages.toml");
+        Loader::new(config)
+    });
+
     for _ in 0..num_cpus::get() {
         std::thread::spawn(move || smol::block_on(EX.run(smol::future::pending::<()>())));
     }
diff --git a/helix-term/src/ui/markdown.rs b/helix-term/src/ui/markdown.rs
index c4f6039b..55b90ad4 100644
--- a/helix-term/src/ui/markdown.rs
+++ b/helix-term/src/ui/markdown.rs
@@ -80,6 +80,8 @@ fn parse<'a>(contents: &'a str, theme: Option<&Theme>) -> tui::text::Text<'a> {
 
                         let rope = Rope::from(text.as_ref());
                         let syntax = syntax::LOADER
+                            .get()
+                            .unwrap()
                             .language_config_for_scope(&format!("source.{}", language))
                             .and_then(|config| config.highlight_config(theme.scopes()))
                             .map(|config| Syntax::new(&rope, config));