Add support for Elixir

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ### Parsing
 
-Added TypeScript parser and TSX parser.
+Added TypeScript parser and TSX parser. Added Elixir parser.
 
 The following extensions are now associated with Clojure: `.bb`,
 `.boot`, `.clj`, `.cljc`, `.clje`, `.cljs`, `.cljx`, `.edn`, `.joke`

build.rs

@@ -42,6 +42,11 @@ fn main() {
         &["scanner.c"],
     );
     build("tree-sitter-elisp", "vendor/tree-sitter-elisp-src", &[]);
+    build(
+        "tree-sitter-elixir",
+        "vendor/tree-sitter-elixir-src",
+        &["scanner.cc"],
+    );
     build("tree-sitter-go", "vendor/tree-sitter-go-src", &[]);
     build("tree-sitter-java", "vendor/tree-sitter-java-src", &[]);
     build(

src/tree_sitter_parser.rs

@@ -26,6 +26,7 @@ extern "C" {
     fn tree_sitter_clojure() -> Language;
     fn tree_sitter_css() -> Language;
     fn tree_sitter_elisp() -> Language;
+    fn tree_sitter_elixir() -> Language;
     fn tree_sitter_go() -> Language;
     fn tree_sitter_java() -> Language;
     fn tree_sitter_javascript() -> Language;
@@ -62,6 +63,12 @@ pub fn from_extension(extension: &OsStr) -> Option<TreeSitterConfig> {
             atom_nodes: (vec![]).into_iter().collect(),
             open_delimiter_tokens: (vec!["{", "(", "["]).into_iter().collect(),
         }),
+        "ex" | "exs" => Some(TreeSitterConfig {
+            name: "Elixir",
+            language: unsafe { tree_sitter_elixir() },
+            atom_nodes: (vec!["string", "heredoc"]).into_iter().collect(),
+            open_delimiter_tokens: (vec!["(", "{", "do"]).into_iter().collect(),
+        }),
         "go" => Some(TreeSitterConfig {
             name: "Go",
             language: unsafe { tree_sitter_go() },

vendor/tree-sitter-elixir-src

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