added elixir language support

Author: lukepistrol

Package.swift

@@ -20,6 +20,7 @@ let package = Package(
         .package(url: "https://github.com/tree-sitter/tree-sitter-cpp.git", branch: "master"),
         .package(url: "https://github.com/tree-sitter/tree-sitter-c-sharp.git", branch: "master"),
         .package(url: "https://github.com/lukepistrol/tree-sitter-css.git", branch: "feature/spm"),
+        .package(url: "https://github.com/elixir-lang/tree-sitter-elixir.git", branch: "main"),
         .package(url: "https://github.com/tree-sitter/tree-sitter-go.git", branch: "master"),
         .package(url: "https://github.com/camdencheek/tree-sitter-go-mod.git", branch: "main"),
         .package(url: "https://github.com/mattmassicotte/tree-sitter-html.git", branch: "feature/spm"),
@@ -45,6 +46,7 @@ let package = Package(
                 .product(name: "TreeSitterCPP", package: "tree-sitter-cpp"),
                 .product(name: "TreeSitterCSharp", package: "tree-sitter-c-sharp"),
                 .product(name: "TreeSitterCSS", package: "tree-sitter-css"),
+                .product(name: "TreeSitterElixir", package: "tree-sitter-elixir"),
                 .product(name: "TreeSitterGo", package: "tree-sitter-go"),
                 .product(name: "TreeSitterGoMod", package: "tree-sitter-go-mod"),
                 .product(name: "TreeSitterHTML", package: "tree-sitter-html"),

Sources/CodeEditTextView/CodeLanguage/CodeLanguage.swift

@@ -14,6 +14,7 @@ import TreeSitterC
 import TreeSitterCPP
 import TreeSitterCSharp
 import TreeSitterCSS
+import TreeSitterElixir
 import TreeSitterGo
 import TreeSitterGoMod
 import TreeSitterHTML
@@ -92,6 +93,8 @@ public struct CodeLanguage {
             return tree_sitter_c_sharp()
         case .css:
             return tree_sitter_css()
+        case .elixir:
+            return tree_sitter_elixir()
         case .go:
             return tree_sitter_go()
         case .goMod:
@@ -152,6 +155,7 @@ public extension CodeLanguage {
         .cpp,
         .cSharp,
         .css,
+        .elixir,
         .go,
         .goMod,
         .html,
@@ -186,6 +190,9 @@ public extension CodeLanguage {
     /// A language structure for `CSS`
     static let css: CodeLanguage = .init(id: .css, tsName: "CSS", extensions: ["css"])
 
+    /// A language structure for `Elixir`
+    static let elixir: CodeLanguage = .init(id: .elixir, tsName: "Elixir", extensions: ["ex", "exs"])
+
     /// A language structure for `Go`
     static let go: CodeLanguage = .init(id: .go, tsName: "Go", extensions: ["go"])
 

Sources/CodeEditTextView/CodeLanguage/TreeSitterLanguage.swift

@@ -14,6 +14,7 @@ public enum TreeSitterLanguage: String {
     case cpp
     case cSharp
     case css
+    case elixir
     case go
     case goMod
     case html

Sources/CodeEditTextView/CodeLanguage/TreeSitterModel.swift

@@ -30,6 +30,8 @@ public class TreeSitterModel {
             return cSharpQuery
         case .css:
             return cssQuery
+        case .elixir:
+            return elixirQuery
         case .go:
             return goQuery
         case .goMod:
@@ -88,6 +90,11 @@ public class TreeSitterModel {
         return queryFor(.css)
     }()
 
+    /// Query for `Elixir` files.
+    public private(set) lazy var elixirQuery: Query? = {
+        return queryFor(.elixir)
+    }()
+
     /// Query for `Go` files.
     public private(set) lazy var goQuery: Query? = {
         return queryFor(.go)