Boost the dynamic precedence of parameter lists (mostly for C++)

grammar.js

@@ -355,11 +355,11 @@ module.exports = grammar({
       optional(seq('=', $._expression))
     ),
 
-    parameter_list: $ => seq(
+    parameter_list: $ => prec.dynamic(1, seq(
       '(',
       commaSep(choice($.parameter_declaration, '...')),
       ')'
-    ),
+    )),
 
     parameter_declaration: $ => seq(
       $._declaration_specifiers,

src/grammar.json

@@ -1585,68 +1585,72 @@
       ]
     },
     "parameter_list": {
-      "type": "SEQ",
-      "members": [
-        {
-          "type": "STRING",
-          "value": "("
-        },
-        {
-          "type": "CHOICE",
-          "members": [
-            {
-              "type": "SEQ",
-              "members": [
-                {
-                  "type": "CHOICE",
-                  "members": [
-                    {
-                      "type": "SYMBOL",
-                      "name": "parameter_declaration"
-                    },
-                    {
-                      "type": "STRING",
-                      "value": "..."
-                    }
-                  ]
-                },
-                {
-                  "type": "REPEAT",
-                  "content": {
-                    "type": "SEQ",
+      "type": "PREC_DYNAMIC",
+      "value": 1,
+      "content": {
+        "type": "SEQ",
+        "members": [
+          {
+            "type": "STRING",
+            "value": "("
+          },
+          {
+            "type": "CHOICE",
+            "members": [
+              {
+                "type": "SEQ",
+                "members": [
+                  {
+                    "type": "CHOICE",
                     "members": [
                       {
-                        "type": "STRING",
-                        "value": ","
+                        "type": "SYMBOL",
+                        "name": "parameter_declaration"
                       },
                       {
-                        "type": "CHOICE",
-                        "members": [
-                          {
-                            "type": "SYMBOL",
-                            "name": "parameter_declaration"
-                          },
-                          {
-                            "type": "STRING",
-                            "value": "..."
-                          }
-                        ]
+                        "type": "STRING",
+                        "value": "..."
                       }
                     ]
+                  },
+                  {
+                    "type": "REPEAT",
+                    "content": {
+                      "type": "SEQ",
+                      "members": [
+                        {
+                          "type": "STRING",
+                          "value": ","
+                        },
+                        {
+                          "type": "CHOICE",
+                          "members": [
+                            {
+                              "type": "SYMBOL",
+                              "name": "parameter_declaration"
+                            },
+                            {
+                              "type": "STRING",
+                              "value": "..."
+                            }
+                          ]
+                        }
+                      ]
+                    }
                   }
-                }
-              ]
-            },
-            {
-              "type": "BLANK"
-            }
-          ]
-        },
-        {
-          "type": "STRING",
-          "value": ")"
-        }
-      ]
+                ]
+              },
+              {
+                "type": "BLANK"
+              }
+            ]
+          },
+          {
+            "type": "STRING",
+            "value": ")"
+          }
+        ]
+      }
     },
     "parameter_declaration": {
       "type": "SEQ",

src/parser.c

@@ -59090,7 +59090,7 @@ static TSParseActionEntry ts_parse_actions[] = {
   [750] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym__declarator, 3),
   [752] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(312),
   [754] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(313),
-  [756] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_parameter_list, 2),
+  [756] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_parameter_list, 2, .dynamic_precedence = 1),
   [758] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(315),
   [760] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_parameter_declaration, 1),
   [762] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(316),
@@ -59311,7 +59311,7 @@ static TSParseActionEntry ts_parse_actions[] = {
   [1199] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_abstract_function_declarator, 2),
   [1201] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_type_descriptor, 3),
   [1203] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(522),
-  [1205] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_parameter_list, 3),
+  [1205] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_parameter_list, 3, .dynamic_precedence = 1),
   [1207] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(523),
   [1209] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(524),
   [1211] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(525),
@@ -59501,7 +59501,7 @@ static TSParseActionEntry ts_parse_actions[] = {
   [1580] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(735),
   [1582] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(aux_sym_parameter_list_repeat1, 2),
   [1584] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(737),
-  [1586] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_parameter_list, 4),
+  [1586] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_parameter_list, 4, .dynamic_precedence = 1),
   [1588] = {.count = 3, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym__declarator, 1, .fragile = true), REDUCE(sym__type_specifier, 1, .fragile = true, .alias_sequence_id = 1), SHIFT(40),
   [1592] = {.count = 2, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym__declarator, 1, .fragile = true), REDUCE(sym__type_specifier, 1, .fragile = true, .alias_sequence_id = 1),
   [1595] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(738),