diff --git a/package.json b/package.json
index 5ce9058..7cb3b5c 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,8 @@
     "onLanguage:glsl",
     "onLanguage:hlsl",
     "onLanguage:cuda",
-    "onLanguage:cuda-cpp"
+    "onLanguage:cuda-cpp",
+    "onLanguage:tablegen"
   ],
   "contributes": {
     "configuration": {
@@ -305,6 +306,21 @@
           "default": "",
           "description": "clang-format fallback style for CUDA, left empty to use clang-format.fallbackStyle"
         },
+        "clang-format.language.tablegen.enable": {
+          "type": "boolean",
+          "default": true,
+          "description": "enable formatting for TableGen (requires reloading Visual Studio Code)"
+        },
+        "clang-format.language.teblegen.style": {
+          "type": "string",
+          "default": "",
+          "description": "clang-format fallback style for TableGen, left empty to use clang-format.style"
+        },
+        "clang-format.language.teblegen.fallbackStyle": {
+          "type": "string",
+          "default": "",
+          "description": "clang-format fallback style for TableGen, left empty to use clang-format.fallbackStyle"
+        },
         "clang-format.assumeFilename": {
           "type": "string",
           "default": "",
diff --git a/src/clangMode.ts b/src/clangMode.ts
index 5c16021..f01f699 100644
--- a/src/clangMode.ts
+++ b/src/clangMode.ts
@@ -7,7 +7,7 @@ export const ALIAS = {
 };
 
 let languages: string[] = [];
-for (let l of ['cpp', 'c', 'csharp', 'objective-c', 'objective-cpp', 'java', 'javascript', 'json', 'typescript', 'proto', 'proto3', 'textproto', 'apex', 'glsl', 'hlsl', 'cuda', 'cuda-cpp']) {
+for (let l of ['cpp', 'c', 'csharp', 'objective-c', 'objective-cpp', 'java', 'javascript', 'json', 'typescript', 'proto', 'proto3', 'textproto', 'apex', 'glsl', 'hlsl', 'cuda', 'cuda-cpp','tablegen']) {
   let confKey = `language.${ALIAS[l] || l}.enable`;
   if (vscode.workspace.getConfiguration('clang-format').get(confKey)) {
     languages.push(l);