fix: not operator precedence (#166)

* test: demonstrate incorrect precedence

* test: not precedence in other scenarios

* fix: match not operator precedence in python

Author: bm424

grammar.js

@@ -7,19 +7,19 @@ const PREC = {
 
   parenthesized_expression: 1,
   parenthesized_list_splat: 1,
-  not: 1,
-  compare: 2,
-  or: 10,
-  and: 11,
-  bitwise_or: 12,
-  bitwise_and: 13,
-  xor: 14,
-  shift: 15,
-  plus: 16,
-  times: 17,
-  unary: 18,
-  power: 19,
-  call: 20,
+  or:          10,
+  and:         11,
+  not:         12,
+  compare:     13,
+  bitwise_or:  14,
+  bitwise_and: 15,
+  xor:         16,
+  shift:       17,
+  plus:        18,
+  times:       19,
+  unary:       20,
+  power:       21,
+  call:        22,
 }
 
 const SEMICOLON = ';'

src/grammar.json

@@ -2633,7 +2633,7 @@
     },
     "not_operator": {
       "type": "PREC",
-      "value": 1,
+      "value": 12,
       "content": {
         "type": "SEQ",
         "members": [
@@ -2728,7 +2728,7 @@
       "members": [
         {
           "type": "PREC_LEFT",
-          "value": 16,
+          "value": 18,
           "content": {
             "type": "SEQ",
             "members": [
@@ -2761,7 +2761,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 16,
+          "value": 18,
           "content": {
             "type": "SEQ",
             "members": [
@@ -2794,7 +2794,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 17,
+          "value": 19,
           "content": {
             "type": "SEQ",
             "members": [
@@ -2827,7 +2827,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 17,
+          "value": 19,
           "content": {
             "type": "SEQ",
             "members": [
@@ -2860,7 +2860,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 17,
+          "value": 19,
           "content": {
             "type": "SEQ",
             "members": [
@@ -2893,7 +2893,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 17,
+          "value": 19,
           "content": {
             "type": "SEQ",
             "members": [
@@ -2926,7 +2926,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 17,
+          "value": 19,
           "content": {
             "type": "SEQ",
             "members": [
@@ -2959,7 +2959,7 @@
         },
         {
           "type": "PREC_RIGHT",
-          "value": 19,
+          "value": 21,
           "content": {
             "type": "SEQ",
             "members": [
@@ -2992,7 +2992,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 12,
+          "value": 14,
           "content": {
             "type": "SEQ",
             "members": [
@@ -3025,7 +3025,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 13,
+          "value": 15,
           "content": {
             "type": "SEQ",
             "members": [
@@ -3058,7 +3058,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 14,
+          "value": 16,
           "content": {
             "type": "SEQ",
             "members": [
@@ -3091,7 +3091,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 15,
+          "value": 17,
           "content": {
             "type": "SEQ",
             "members": [
@@ -3124,7 +3124,7 @@
         },
         {
           "type": "PREC_LEFT",
-          "value": 15,
+          "value": 17,
           "content": {
             "type": "SEQ",
             "members": [
@@ -3159,7 +3159,7 @@
     },
     "unary_operator": {
       "type": "PREC",
-      "value": 18,
+      "value": 20,
       "content": {
         "type": "SEQ",
         "members": [
@@ -3197,7 +3197,7 @@
     },
     "comparison_operator": {
       "type": "PREC_LEFT",
-      "value": 2,
+      "value": 13,
       "content": {
         "type": "SEQ",
         "members": [
@@ -3666,7 +3666,7 @@
     },
     "attribute": {
       "type": "PREC",
-      "value": 20,
+      "value": 22,
       "content": {
         "type": "SEQ",
         "members": [
@@ -3695,7 +3695,7 @@
     },
     "subscript": {
       "type": "PREC",
-      "value": 20,
+      "value": 22,
       "content": {
         "type": "SEQ",
         "members": [
@@ -3849,7 +3849,7 @@
     },
     "call": {
       "type": "PREC",
-      "value": 20,
+      "value": 22,
       "content": {
         "type": "SEQ",
         "members": [
@@ -5100,7 +5100,7 @@
     },
     "await": {
       "type": "PREC",
-      "value": 18,
+      "value": 20,
       "content": {
         "type": "SEQ",
         "members": [