add support for SCSS

build.rs

@@ -311,6 +311,11 @@ fn main() {
             src_dir: "vendored_parsers/tree-sitter-scala-src",
             extra_files: vec!["scanner.c"],
         },
+        TreeSitterParser {
+            name: "tree-sitter-scss",
+            src_dir: "vendored_parsers/tree-sitter-scss-src",
+            extra_files: vec!["scanner.c"],
+        },
         TreeSitterParser {
             name: "tree-sitter-sql",
             src_dir: "vendored_parsers/tree-sitter-sql-src",

src/parse/guess_language.rs

@@ -64,6 +64,7 @@ pub enum Language {
     Ruby,
     Rust,
     Scala,
+    Scss,
     Solidity,
     Sql,
     Swift,
@@ -149,6 +150,7 @@ pub fn language_name(language: Language) -> &'static str {
         Ruby => "Ruby",
         Rust => "Rust",
         Scala => "Scala",
+        Scss => "Scss",
         Solidity => "Solidity",
         Sql => "SQL",
         Swift => "Swift",
@@ -331,6 +333,7 @@ pub fn language_globs(language: Language) -> Vec<glob::Pattern> {
         ],
         Rust => &["*.rs"],
         Scala => &["*.scala", "*.sbt", "*.sc"],
+        Scss => &["*.scss"],
         Solidity => &["*.sol"],
         Sql => &["*.sql", "*.pgsql"],
         Swift => &["*.swift"],
@@ -468,6 +471,7 @@ fn from_emacs_mode_header(src: &str) -> Option<Language> {
             "ruby" => Some(Ruby),
             "rust" => Some(Rust),
             "scala" => Some(Scala),
+            "scss" => Some(Scss),
             "sh" => Some(Bash),
             "solidity" => Some(Solidity),
             "sql" => Some(Sql),

src/parse/tree_sitter_parser.rs

@@ -105,6 +105,7 @@ extern "C" {
     fn tree_sitter_ruby() -> ts::Language;
     fn tree_sitter_rust() -> ts::Language;
     fn tree_sitter_scala() -> ts::Language;
+    fn tree_sitter_scss() -> ts::Language;
     fn tree_sitter_solidity() -> ts::Language;
     fn tree_sitter_sql() -> ts::Language;
     fn tree_sitter_swift() -> ts::Language;
@@ -906,6 +907,22 @@ pub fn from_language(language: guess::Language) -> TreeSitterConfig {
                 sub_languages: vec![],
             }
         }
+        Scss => {
+            let language = unsafe { tree_sitter_scss() };
+            TreeSitterConfig {
+                language,
+                atom_nodes: vec!["integer_value", "float_value", "color_value"]
+                    .into_iter()
+                    .collect(),
+                delimiter_tokens: vec![("{", "}"), ("(", ")")],
+                highlight_query: ts::Query::new(
+                    language,
+                    include_str!("../../vendored_parsers/highlights/scss.scm"),
+                )
+                .unwrap(),
+                sub_languages: vec![],
+            }
+        }
         Solidity => {
             let language = unsafe { tree_sitter_solidity() };
             TreeSitterConfig {

vendored_parsers/highlights/scss.scm

@@ -0,0 +1 @@
+../tree-sitter-scss/queries/highlights.scm

vendored_parsers/tree-sitter-scss-src

@@ -0,0 +1 @@
+tree-sitter-scss/src