grammar: guard clause following pattern in lambda (#6)

AbstractMachinesLab · Feb 8, 2021 · 7b436e1 · 7b436e1
1 parent 51a9026
commit 7b436e1
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Showing 5 changed files with 19,264 additions and 17,954 deletions.
diff --git a/grammar.js b/grammar.js
@@ -494,6 +494,7 @@ module.exports = grammar({
     lambda_clause: ($) =>
       seq(
         field("arguments", args($.pattern)),
+        opt($.guard_clause),
         ARROW,
         field("body", sepBy(COMMA, $.expression))
       ),

diff --git a/src/grammar.json b/src/grammar.json
@@ -2900,6 +2900,18 @@
             }
           }
         },
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "guard_clause"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        },
         {
           "type": "STRING",
           "value": "->"

diff --git a/src/node-types.json b/src/node-types.json
@@ -4813,6 +4813,16 @@
           }
         ]
       }
+    },
+    "children": {
+      "multiple": false,
+      "required": false,
+      "types": [
+        {
+          "type": "guard_clause",
+          "named": true
+        }
+      ]
     }
   },
   {