Add parantheses to override set precedences

corpus/expressions.txt

@@ -108,6 +108,23 @@ slice = my_collection[1..2];
   (assignment_item (identifier) (index_expression (identifier) (binary_operation (unary_operation (identifier)) (integer_literal))))
   (assignment_item (identifier) (index_expression (identifier) (binary_operation (integer_literal) (integer_literal)))))
 
+===========
+Precedences
+===========
+
+given_precedence = (1 + 1) * 1;
+mult_first = 1 + 1 * 1;
+exp_first = 1 * 1 ^ 1;
+annotation_bind = 1 ^ 1::some_ann;
+
+---
+
+(source_file
+  (assignment_item (identifier) (binary_operation (binary_operation (integer_literal) (integer_literal)) (integer_literal)))
+  (assignment_item (identifier) (binary_operation (integer_literal) (binary_operation (integer_literal) (integer_literal))))
+  (assignment_item (identifier) (binary_operation (integer_literal) (binary_operation (integer_literal) (integer_literal))))
+  (assignment_item (identifier) (binary_operation (integer_literal) (binary_operation (integer_literal) (identifier)))))
+
 ==============
 Unary Operator
 ==============

grammar.js

@@ -49,6 +49,7 @@ module.exports = grammar({
       $.index_expression,
       $.unary_operation,
       // TODO: Other expression types
+      seq('(', $._expression, ')'),
     ),
 
     binary_operation: $ => {

src/grammar.json

@@ -104,6 +104,23 @@
         {
           "type": "SYMBOL",
           "name": "unary_operation"
+        },
+        {
+          "type": "SEQ",
+          "members": [
+            {
+              "type": "STRING",
+              "value": "("
+            },
+            {
+              "type": "SYMBOL",
+              "name": "_expression"
+            },
+            {
+              "type": "STRING",
+              "value": ")"
+            }
+          ]
         }
       ]
     },

src/node-types.json

@@ -67,9 +67,17 @@
     "named": true,
     "fields": {
       "expr": {
-        "multiple": false,
+        "multiple": true,
         "required": true,
         "types": [
+          {
+            "type": "(",
+            "named": false
+          },
+          {
+            "type": ")",
+            "named": false
+          },
           {
             "type": "absent",
             "named": true
@@ -141,9 +149,17 @@
     "named": true,
     "fields": {
       "left": {
-        "multiple": false,
+        "multiple": true,
         "required": true,
         "types": [
+          {
+            "type": "(",
+            "named": false
+          },
+          {
+            "type": ")",
+            "named": false
+          },
           {
             "type": "absent",
             "named": true
@@ -325,9 +341,17 @@
         ]
       },
       "right": {
-        "multiple": false,
+        "multiple": true,
         "required": true,
         "types": [
+          {
+            "type": "(",
+            "named": false
+          },
+          {
+            "type": ")",
+            "named": false
+          },
           {
             "type": "absent",
             "named": true
@@ -397,6 +421,14 @@
         "multiple": true,
         "required": false,
         "types": [
+          {
+            "type": "(",
+            "named": false
+          },
+          {
+            "type": ")",
+            "named": false
+          },
           {
             "type": ",",
             "named": false
@@ -535,9 +567,17 @@
     "named": true,
     "fields": {
       "collection": {
-        "multiple": false,
+        "multiple": true,
         "required": true,
         "types": [
+          {
+            "type": "(",
+            "named": false
+          },
+          {
+            "type": ")",
+            "named": false
+          },
           {
             "type": "absent",
             "named": true
@@ -596,6 +636,14 @@
         "multiple": true,
         "required": true,
         "types": [
+          {
+            "type": "(",
+            "named": false
+          },
+          {
+            "type": ")",
+            "named": false
+          },
           {
             "type": ",",
             "named": false