From f7c1454f132ccd52acb6a79c313daf63dc219c11 Mon Sep 17 00:00:00 2001
From: Andy Yankovsky <weratt@gmail.com>
Date: Sun, 1 Aug 2021 18:21:54 +0200
Subject: [PATCH] Support comments in JSON

JSON spec doesn't allow comments, but many implementation support them anyway. Having comments is very convenient, for example, when showing code in blog posts and articles.
---
 lexers/j/json.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lexers/j/json.go b/lexers/j/json.go
index 9a4a3ee..daf6dc3 100644
--- a/lexers/j/json.go
+++ b/lexers/j/json.go
@@ -23,6 +23,9 @@ func jsonRules() Rules {
 		"whitespace": {
 			{`\s+`, Text, nil},
 		},
+		"comment": {
+			{`//.*?\n`, CommentSingle, nil},
+		},
 		"simplevalue": {
 			{`(true|false|null)\b`, KeywordConstant, nil},
 			{`-?(0|[1-9]\d*)(\.\d+[eE](\+|-)?\d+|[eE](\+|-)?\d+|\.\d+)`, LiteralNumberFloat, nil},
@@ -37,18 +40,21 @@ func jsonRules() Rules {
 		},
 		"objectvalue": {
 			Include("whitespace"),
+			Include("comment"),
 			{`"(\\\\|\\"|[^"])*"`, NameTag, Push("objectattribute")},
 			{`\}`, Punctuation, Pop(1)},
 		},
 		"arrayvalue": {
 			Include("whitespace"),
 			Include("value"),
+			Include("comment"),
 			{`,`, Punctuation, nil},
 			{`\]`, Punctuation, Pop(1)},
 		},
 		"value": {
 			Include("whitespace"),
 			Include("simplevalue"),
+			Include("comment"),
 			{`\{`, Punctuation, Push("objectvalue")},
 			{`\[`, Punctuation, Push("arrayvalue")},
 		},