tree-sitter
diff --git a/‎grammar.js‎
Lines changed: 9 additions & 5 deletions b/‎grammar.js‎
Lines changed: 9 additions & 5 deletions
diff --git a/‎src/grammar.json‎
Lines changed: 23 additions & 6 deletions b/‎src/grammar.json‎
Lines changed: 23 additions & 6 deletions
diff --git a/‎src/node-types.json‎
Lines changed: 28 additions & 0 deletions b/‎src/node-types.json‎
Lines changed: 28 additions & 0 deletions
@@ -499,10 +499,14 @@ module.exports = grammar({
     type_pattern: $ => seq($._unannotated_type, choice($.identifier, $._reserved_identifier)),
     record_pattern: $ => seq(choice($.identifier, $._reserved_identifier, $.generic_type), $.record_pattern_body),
     record_pattern_body: $ => seq('(', commaSep(choice($.record_pattern_component, $.record_pattern)), ')'),
-    record_pattern_component: $ => seq(
-      $._unannotated_type,
-      choice($.identifier, $._reserved_identifier)
-    ),
+    record_pattern_component: $ => choice(
+      $.underscore_pattern,
+      seq(
+        $._unannotated_type,
+        choice($.identifier, $._reserved_identifier)
+    )),
+
+    underscore_pattern: $ => '_',
 
     guard: $ => seq('when', $.expression),
 
@@ -1081,7 +1085,7 @@ module.exports = grammar({
     ),
 
     _variable_declarator_id: $ => seq(
-      field('name', choice($.identifier, $._reserved_identifier)),
+      field('name', choice($.identifier, $._reserved_identifier, $.underscore_pattern)),
       field('dimensions', optional($.dimensions))
     ),
 
 
@@ -3831,27 +3831,40 @@
       ]
     },
     "record_pattern_component": {
-      "type": "SEQ",
+      "type": "CHOICE",
       "members": [
         {
           "type": "SYMBOL",
-          "name": "_unannotated_type"
+          "name": "underscore_pattern"
         },
         {
-          "type": "CHOICE",
+          "type": "SEQ",
           "members": [
             {
               "type": "SYMBOL",
-              "name": "identifier"
+              "name": "_unannotated_type"
             },
             {
-              "type": "SYMBOL",
-              "name": "_reserved_identifier"
+              "type": "CHOICE",
+              "members": [
+                {
+                  "type": "SYMBOL",
+                  "name": "identifier"
+                },
+                {
+                  "type": "SYMBOL",
+                  "name": "_reserved_identifier"
+                }
+              ]
             }
           ]
         }
       ]
     },
+    "underscore_pattern": {
+      "type": "STRING",
+      "value": "_"
+    },
     "guard": {
       "type": "SEQ",
       "members": [
@@ -6884,6 +6897,10 @@
               {
                 "type": "SYMBOL",
                 "name": "_reserved_identifier"
+              },
+              {
+                "type": "SYMBOL",
+                "name": "underscore_pattern"
               }
             ]
           }
 
@@ -1061,6 +1061,10 @@
           {
             "type": "identifier",
             "named": true
+          },
+          {
+            "type": "underscore_pattern",
+            "named": true
           }
         ]
       }
@@ -1586,6 +1590,10 @@
           {
             "type": "identifier",
             "named": true
+          },
+          {
+            "type": "underscore_pattern",
+            "named": true
           }
         ]
       },
@@ -2072,6 +2080,10 @@
           {
             "type": "identifier",
             "named": true
+          },
+          {
+            "type": "underscore_pattern",
+            "named": true
           }
         ]
       },
@@ -3138,6 +3150,10 @@
         {
           "type": "identifier",
           "named": true
+        },
+        {
+          "type": "underscore_pattern",
+          "named": true
         }
       ]
     }
@@ -3198,6 +3214,10 @@
           {
             "type": "identifier",
             "named": true
+          },
+          {
+            "type": "underscore_pattern",
+            "named": true
           }
         ]
       },
@@ -3948,6 +3968,10 @@
           {
             "type": "identifier",
             "named": true
+          },
+          {
+            "type": "underscore_pattern",
+            "named": true
           }
         ]
       },
@@ -4519,6 +4543,10 @@
     "type": "type_identifier",
     "named": true
   },
+  {
+    "type": "underscore_pattern",
+    "named": true
+  },
   {
     "type": "uses",
     "named": false
Original file line number	Diff line number	Diff line change
`@@ -3831,27 +3831,40 @@`
`3831`	`3831`	`]`
`3832`	`3832`	`},`
`3833`	`3833`	`"record_pattern_component": {`
`3834`		`- "type": "SEQ",`
	`3834`	`+ "type": "CHOICE",`
`3835`	`3835`	`"members": [`
`3836`	`3836`	`{`
`3837`	`3837`	`"type": "SYMBOL",`
`3838`		`- "name": "_unannotated_type"`
	`3838`	`+ "name": "underscore_pattern"`
`3839`	`3839`	`},`
`3840`	`3840`	`{`
`3841`		`- "type": "CHOICE",`
	`3841`	`+ "type": "SEQ",`
`3842`	`3842`	`"members": [`
`3843`	`3843`	`{`
`3844`	`3844`	`"type": "SYMBOL",`
`3845`		`- "name": "identifier"`
	`3845`	`+ "name": "_unannotated_type"`
`3846`	`3846`	`},`
`3847`	`3847`	`{`
`3848`		`- "type": "SYMBOL",`
`3849`		`- "name": "_reserved_identifier"`
	`3848`	`+ "type": "CHOICE",`
	`3849`	`+ "members": [`
	`3850`	`+ {`
	`3851`	`+ "type": "SYMBOL",`
	`3852`	`+ "name": "identifier"`
	`3853`	`+ },`
	`3854`	`+ {`
	`3855`	`+ "type": "SYMBOL",`
	`3856`	`+ "name": "_reserved_identifier"`
	`3857`	`+ }`
	`3858`	`+ ]`
`3850`	`3859`	`}`
`3851`	`3860`	`]`
`3852`	`3861`	`}`
`3853`	`3862`	`]`
`3854`	`3863`	`},`
	`3864`	`+ "underscore_pattern": {`
	`3865`	`+ "type": "STRING",`
	`3866`	`+ "value": "_"`
	`3867`	`+ },`
`3855`	`3868`	`"guard": {`
`3856`	`3869`	`"type": "SEQ",`
`3857`	`3870`	`"members": [`
`@@ -6884,6 +6897,10 @@`
`6884`	`6897`	`{`
`6885`	`6898`	`"type": "SYMBOL",`
`6886`	`6899`	`"name": "_reserved_identifier"`
	`6900`	`+ },`
	`6901`	`+ {`
	`6902`	`+ "type": "SYMBOL",`
	`6903`	`+ "name": "underscore_pattern"`
`6887`	`6904`	`}`
`6888`	`6905`	`]`
`6889`	`6906`	`}`
Original file line number	Diff line number	Diff line change
`@@ -1061,6 +1061,10 @@`
`1061`	`1061`	`{`
`1062`	`1062`	`"type": "identifier",`
`1063`	`1063`	`"named": true`
	`1064`	`+ },`
	`1065`	`+ {`
	`1066`	`+ "type": "underscore_pattern",`
	`1067`	`+ "named": true`
`1064`	`1068`	`}`
`1065`	`1069`	`]`
`1066`	`1070`	`}`
`@@ -1586,6 +1590,10 @@`
`1586`	`1590`	`{`
`1587`	`1591`	`"type": "identifier",`
`1588`	`1592`	`"named": true`
	`1593`	`+ },`
	`1594`	`+ {`
	`1595`	`+ "type": "underscore_pattern",`
	`1596`	`+ "named": true`
`1589`	`1597`	`}`
`1590`	`1598`	`]`
`1591`	`1599`	`},`
`@@ -2072,6 +2080,10 @@`
`2072`	`2080`	`{`
`2073`	`2081`	`"type": "identifier",`
`2074`	`2082`	`"named": true`
	`2083`	`+ },`
	`2084`	`+ {`
	`2085`	`+ "type": "underscore_pattern",`
	`2086`	`+ "named": true`
`2075`	`2087`	`}`
`2076`	`2088`	`]`
`2077`	`2089`	`},`
`@@ -3138,6 +3150,10 @@`
`3138`	`3150`	`{`
`3139`	`3151`	`"type": "identifier",`
`3140`	`3152`	`"named": true`
	`3153`	`+ },`
	`3154`	`+ {`
	`3155`	`+ "type": "underscore_pattern",`
	`3156`	`+ "named": true`
`3141`	`3157`	`}`
`3142`	`3158`	`]`
`3143`	`3159`	`}`
`@@ -3198,6 +3214,10 @@`
`3198`	`3214`	`{`
`3199`	`3215`	`"type": "identifier",`
`3200`	`3216`	`"named": true`
	`3217`	`+ },`
	`3218`	`+ {`
	`3219`	`+ "type": "underscore_pattern",`
	`3220`	`+ "named": true`
`3201`	`3221`	`}`
`3202`	`3222`	`]`
`3203`	`3223`	`},`
`@@ -3948,6 +3968,10 @@`
`3948`	`3968`	`{`
`3949`	`3969`	`"type": "identifier",`
`3950`	`3970`	`"named": true`
	`3971`	`+ },`
	`3972`	`+ {`
	`3973`	`+ "type": "underscore_pattern",`
	`3974`	`+ "named": true`
`3951`	`3975`	`}`
`3952`	`3976`	`]`
`3953`	`3977`	`},`
`@@ -4519,6 +4543,10 @@`
`4519`	`4543`	`"type": "type_identifier",`
`4520`	`4544`	`"named": true`
`4521`	`4545`	`},`
	`4546`	`+ {`
	`4547`	`+ "type": "underscore_pattern",`
	`4548`	`+ "named": true`
	`4549`	`+ },`
`4522`	`4550`	`{`
`4523`	`4551`	`"type": "uses",`
`4524`	`4552`	`"named": false`