Python: Regenerate parser files

Author: tausbn

python/extractor/tsg-python/tsp/src/grammar.json

@@ -5045,94 +5045,120 @@
         ]
       }
     },
-    "subscript": {
-      "type": "PREC",
-      "value": 21,
+    "_index_expression": {
+      "type": "CHOICE",
+      "members": [
+        {
+          "type": "SYMBOL",
+          "name": "list_splat"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "expression"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "slice"
+        }
+      ]
+    },
+    "index_expression_list": {
+      "type": "PREC_RIGHT",
+      "value": 0,
       "content": {
         "type": "SEQ",
         "members": [
           {
             "type": "FIELD",
-            "name": "value",
+            "name": "element",
             "content": {
               "type": "SYMBOL",
-              "name": "primary_expression"
+              "name": "_index_expression"
             }
           },
           {
-            "type": "STRING",
-            "value": "["
-          },
-          {
-            "type": "SEQ",
+            "type": "CHOICE",
             "members": [
               {
-                "type": "FIELD",
-                "name": "subscript",
-                "content": {
-                  "type": "CHOICE",
-                  "members": [
-                    {
-                      "type": "SYMBOL",
-                      "name": "list_splat"
-                    },
-                    {
-                      "type": "SYMBOL",
-                      "name": "expression"
-                    },
-                    {
-                      "type": "SYMBOL",
-                      "name": "slice"
-                    }
-                  ]
-                }
+                "type": "STRING",
+                "value": ","
               },
               {
-                "type": "REPEAT",
-                "content": {
-                  "type": "SEQ",
-                  "members": [
-                    {
-                      "type": "STRING",
-                      "value": ","
-                    },
-                    {
-                      "type": "FIELD",
-                      "name": "subscript",
-                      "content": {
-                        "type": "CHOICE",
-                        "members": [
-                          {
-                            "type": "SYMBOL",
-                            "name": "list_splat"
-                          },
-                          {
-                            "type": "SYMBOL",
-                            "name": "expression"
-                          },
-                          {
+                "type": "SEQ",
+                "members": [
+                  {
+                    "type": "REPEAT1",
+                    "content": {
+                      "type": "SEQ",
+                      "members": [
+                        {
+                          "type": "STRING",
+                          "value": ","
+                        },
+                        {
+                          "type": "FIELD",
+                          "name": "element",
+                          "content": {
                             "type": "SYMBOL",
-                            "name": "slice"
+                            "name": "_index_expression"
                           }
-                        ]
-                      }
+                        }
+                      ]
                     }
-                  ]
-                }
+                  },
+                  {
+                    "type": "CHOICE",
+                    "members": [
+                      {
+                        "type": "STRING",
+                        "value": ","
+                      },
+                      {
+                        "type": "BLANK"
+                      }
+                    ]
+                  }
+                ]
               }
             ]
+          }
+        ]
+      }
+    },
+    "subscript": {
+      "type": "PREC",
+      "value": 21,
+      "content": {
+        "type": "SEQ",
+        "members": [
+          {
+            "type": "FIELD",
+            "name": "value",
+            "content": {
+              "type": "SYMBOL",
+              "name": "primary_expression"
+            }
           },
           {
-            "type": "CHOICE",
-            "members": [
-              {
-                "type": "STRING",
-                "value": ","
-              },
-              {
-                "type": "BLANK"
-              }
-            ]
+            "type": "STRING",
+            "value": "["
+          },
+          {
+            "type": "FIELD",
+            "name": "subscript",
+            "content": {
+              "type": "CHOICE",
+              "members": [
+                {
+                  "type": "SYMBOL",
+                  "name": "_index_expression"
+                },
+                {
+                  "type": "SYMBOL",
+                  "name": "index_expression_list"
+                }
+              ]
+            }
           },
           {
             "type": "STRING",

python/extractor/tsg-python/tsp/src/node-types.json

@@ -1829,6 +1829,30 @@
       }
     }
   },
+  {
+    "type": "index_expression_list",
+    "named": true,
+    "fields": {
+      "element": {
+        "multiple": true,
+        "required": true,
+        "types": [
+          {
+            "type": "expression",
+            "named": true
+          },
+          {
+            "type": "list_splat",
+            "named": true
+          },
+          {
+            "type": "slice",
+            "named": true
+          }
+        ]
+      }
+    }
+  },
   {
     "type": "interpolation",
     "named": true,
@@ -3200,13 +3224,17 @@
     "named": true,
     "fields": {
       "subscript": {
-        "multiple": true,
+        "multiple": false,
         "required": true,
         "types": [
           {
             "type": "expression",
             "named": true
           },
+          {
+            "type": "index_expression_list",
+            "named": true
+          },
           {
             "type": "list_splat",
             "named": true