add antlr

.vscode/c_cpp_properties.json

@@ -0,0 +1,18 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/include",
+                "${workspaceFolder}/**"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/lib64/ccache/clang",
+            "cStandard": "c11",
+            "cppStandard": "c++14",
+            "intelliSenseMode": "clang-x64",
+            "configurationProvider": "ms-vscode.cmake-tools"
+        }
+    ],
+    "version": 4
+}

.vscode/settings.json

@@ -1,3 +1,10 @@
 {
-    "cmake.configureOnOpen": true
+    "cmake.configureOnOpen": true,
+    "antlr4.generation": {
+        "mode": "external",
+        "language": "Cpp",
+        "listeners": true,
+        "visitors": true,
+        "outputDir": "../lib/generated"
+    }
 }