errdefer and try/defer fix

tree-sitter-brolang/src/grammar.json

@@ -1855,26 +1855,109 @@
       ]
     },
     "defer_statement": {
+      "type": "CHOICE",
+      "members": [
+        {
+          "type": "SEQ",
+          "members": [
+            {
+              "type": "STRING",
+              "value": "defer"
+            },
+            {
+              "type": "REPEAT",
+              "content": {
+                "type": "SYMBOL",
+                "name": "_newline"
+              }
+            },
+            {
+              "type": "FIELD",
+              "name": "body",
+              "content": {
+                "type": "SYMBOL",
+                "name": "statement"
+              }
+            }
+          ]
+        },
+        {
+          "type": "SEQ",
+          "members": [
+            {
+              "type": "STRING",
+              "value": "errdefer"
+            },
+            {
+              "type": "REPEAT",
+              "content": {
+                "type": "SYMBOL",
+                "name": "_newline"
+              }
+            },
+            {
+              "type": "CHOICE",
+              "members": [
+                {
+                  "type": "SEQ",
+                  "members": [
+                    {
+                      "type": "FIELD",
+                      "name": "capture",
+                      "content": {
+                        "type": "SYMBOL",
+                        "name": "error_capture"
+                      }
+                    },
+                    {
+                      "type": "REPEAT",
+                      "content": {
+                        "type": "SYMBOL",
+                        "name": "_newline"
+                      }
+                    }
+                  ]
+                },
+                {
+                  "type": "BLANK"
+                }
+              ]
+            },
+            {
+              "type": "FIELD",
+              "name": "body",
+              "content": {
+                "type": "SYMBOL",
+                "name": "statement"
+              }
+            }
+          ]
+        }
+      ]
+    },
+    "error_capture": {
       "type": "SEQ",
       "members": [
         {
           "type": "STRING",
-          "value": "defer"
+          "value": "|"
         },
         {
-          "type": "REPEAT",
-          "content": {
-            "type": "SYMBOL",
-            "name": "_newline"
-          }
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "identifier"
+            },
+            {
+              "type": "SYMBOL",
+              "name": "sink"
+            }
+          ]
         },
         {
-          "type": "FIELD",
-          "name": "body",
-          "content": {
-            "type": "SYMBOL",
-            "name": "statement"
-          }
+          "type": "STRING",
+          "value": "|"
         }
       ]
     },

tree-sitter-brolang/src/node-types.json

@@ -517,6 +517,16 @@
             "named": true
           }
         ]
+      },
+      "capture": {
+        "multiple": false,
+        "required": false,
+        "types": [
+          {
+            "type": "error_capture",
+            "named": true
+          }
+        ]
       }
     }
   },
@@ -629,6 +639,25 @@
       ]
     }
   },
+  {
+    "type": "error_capture",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": false,
+      "required": true,
+      "types": [
+        {
+          "type": "identifier",
+          "named": true
+        },
+        {
+          "type": "sink",
+          "named": true
+        }
+      ]
+    }
+  },
   {
     "type": "expression",
     "named": true,
@@ -2471,6 +2500,10 @@
     "type": "enum",
     "named": false
   },
+  {
+    "type": "errdefer",
+    "named": false
+  },
   {
     "type": "escape_sequence",
     "named": true