write out types for grammars under LanguageConfiguration

helix-core/src/syntax.rs

@@ -75,6 +75,7 @@ where
 #[serde(deny_unknown_fields)]
 pub struct Configuration {
     pub language: Vec<LanguageConfiguration>,
+    pub grammar: Vec<GrammarConfiguration>,
 }
 
 // largely based on tree-sitter/cli/src/loader.rs
@@ -147,6 +148,25 @@ pub struct IndentQuery {
     pub outdent: HashSet<String>,
 }
 
+#[derive(Debug, Serialize, Deserialize)]
+pub struct GrammarConfiguration {
+    #[serde(rename = "name")]
+    pub grammar_id: String, // c-sharp, rust
+    pub source: GrammarSource,
+    pub path: Option<String>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum GrammarSource {
+    #[serde(rename = "path")]
+    Local(String),
+    Git {
+        remote: String,
+        rev: String,
+    },
+}
+
 #[derive(Debug)]
 pub struct TextObjectQuery {
     pub query: Query,