Label highlighting

Author: marzojr

syntaxes/usecode.tmLanguage.json

@@ -17,6 +17,9 @@
         {
             "include": "#generic-params"
         },
+        {
+            "include": "#labels"
+        },
         {
             "include": "#keywords"
         },
@@ -250,6 +253,24 @@
                 }
             ]
         },
+        "labels": {
+            "patterns": [
+                {
+                    "match": "(\\b(?:goto|attend)\\b)\\s+([A-Za-z_][A-Za-z0-9_]*)",
+                    "captures": {
+                        "1": { "name": "keyword.other.goto-type.usecode" },
+                        "2": { "name": "entity.name.label.usecode" }
+                    }
+                },
+                {
+                    "match": "(?:^|[\\{\\}\\;]|:)\\s*([A-Za-z_][A-Za-z0-9_]*)\\s*(:)(?!:)",
+                    "captures": {
+                        "1": { "name": "entity.name.label.usecode" },
+                        "2": { "name": "keyword.operator.usecode" }
+                    }
+                }
+            ]
+        },
         "script-commands": {
             "patterns": [
                 {