set precedence for value evaluation

grammar.js

@@ -141,11 +141,11 @@ module.exports = grammar({
 	value: $ => choice(
 		prec(10, $.plugin),
 		prec(9, $.bareword),
-		$.string,
-		$.number,
-		$.boolean,
-		$.array,
-		$.hash
+		prec(8, $.string),
+		prec(7, $.number),
+		prec(7, $.boolean),
+		prec(6, $.array),
+		prec(5, $.hash)
 	),
 
 	array_value: $ => choice(

src/grammar.json

@@ -738,24 +738,44 @@
           }
         },
         {
-          "type": "SYMBOL",
-          "name": "string"
+          "type": "PREC",
+          "value": 8,
+          "content": {
+            "type": "SYMBOL",
+            "name": "string"
+          }
         },
         {
-          "type": "SYMBOL",
-          "name": "number"
+          "type": "PREC",
+          "value": 7,
+          "content": {
+            "type": "SYMBOL",
+            "name": "number"
+          }
         },
         {
-          "type": "SYMBOL",
-          "name": "boolean"
+          "type": "PREC",
+          "value": 7,
+          "content": {
+            "type": "SYMBOL",
+            "name": "boolean"
+          }
         },
         {
-          "type": "SYMBOL",
-          "name": "array"
+          "type": "PREC",
+          "value": 6,
+          "content": {
+            "type": "SYMBOL",
+            "name": "array"
+          }
         },
         {
-          "type": "SYMBOL",
-          "name": "hash"
+          "type": "PREC",
+          "value": 5,
+          "content": {
+            "type": "SYMBOL",
+            "name": "hash"
+          }
         }
       ]
     },