From 6586fb6706702f776137f591a5bf623efa9c3819 Mon Sep 17 00:00:00 2001
From: Ewan Redfield <29620734+chryoung@users.noreply.github.com>
Date: Tue, 22 Mar 2022 18:26:04 +0800
Subject: [PATCH 1/2] Ignore single line comment

---
 src/jsonparser.rs    | 4 ++++
 src/jsontokenizer.rs | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/src/jsonparser.rs b/src/jsonparser.rs
index 9ccf937..6a5696d 100644
--- a/src/jsonparser.rs
+++ b/src/jsonparser.rs
@@ -128,6 +128,10 @@ impl<'a> JsonParser<'a> {
                     panic!("Should have just consumed whitespace");
                 }
 
+                JsonToken::Comment => {
+                    panic!("Should have just consumed comment");
+                }
+
                 JsonToken::Error => {
                     return Err("Parse error".to_string());
                 }
diff --git a/src/jsontokenizer.rs b/src/jsontokenizer.rs
index e35e708..5dd607a 100644
--- a/src/jsontokenizer.rs
+++ b/src/jsontokenizer.rs
@@ -35,6 +35,9 @@ pub enum JsonToken {
     #[regex("[ \t\r]+", logos::skip)]
     Whitespace,
 
+    #[regex("//[^\n]*\n?", logos::skip)]
+    Comment,
+
     #[error]
     Error,
 }

From 16588f9732250ee7c8262684c466dd6fb0d56080 Mon Sep 17 00:00:00 2001
From: Ewan Redfield <29620734+chryoung@users.noreply.github.com>
Date: Tue, 22 Mar 2022 18:47:45 +0800
Subject: [PATCH 2/2] Add unit test

---
 src/jsonparser.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/jsonparser.rs b/src/jsonparser.rs
index 6a5696d..04c24bd 100644
--- a/src/jsonparser.rs
+++ b/src/jsonparser.rs
@@ -500,4 +500,14 @@ mod tests {
         assert_eq!(rows[7].range, 46..51); // false
         assert_eq!(rows[8].range, 51..52); // ]
     }
+
+    #[test]
+    fn test_parsing_json_with_comments() {
+        let json = r#"// This is a JSON with comments file
+{
+    "a": 1 // This is a comment
+}"#.to_owned();
+        let json_object = parse(json);
+        assert!(json_object.is_ok());
+    }
 }