update grammar to not error on blank line

Author: tgauth

sshdconfig/src/parser.rs

@@ -56,7 +56,7 @@ impl SshdConfigParser {
         }
         match node.kind() {
             "keyword" => self.parse_keyword_node(node, input, input_bytes),
-            "comment" => Ok(()),
+            "comment" | "empty_line" => Ok(()),
             _ => Err(SshdConfigError::ParserError(format!("unknown node type: {}", node.kind()))),
         }
     }
@@ -234,4 +234,13 @@ mod tests {
         let result = parse_text_to_map(input);
         assert!(result.is_err());
     }
+
+    #[test]
+    fn err() {
+        let code = r#"
+        "#;
+        let result = parse_text_to_map(code);
+        println!("{result:?}");
+        assert!(result.is_ok());
+    }
 }

tree-sitter-ssh-server-config/grammar.js

@@ -14,8 +14,10 @@ module.exports = grammar({
   extras: $ => [' ', '\t', '\r'],
 
   rules: {
-    server_config: $ => seq(repeat(choice($.comment, $.keyword)), repeat($.match)),
+    server_config: $ => seq(repeat(choice($.empty_line, $.comment, $.keyword)), repeat($.match)),
 
+    // check for an empty line that is just a /n character
+    empty_line: $ => seq('\n'),
     comment: $ => /#.*\n/,
 
     keyword: $ => seq(

tree-sitter-ssh-server-config/test/corpus/invalid_expressions.txt

@@ -8,7 +8,8 @@ AuthorizedKeysFile"ARG"
 (server_config
   (ERROR
     (alphanumeric)
-    (UNEXPECTED 'A')))
+    (UNEXPECTED 'A'))
+  (empty_line))
 =====
 missing argument after keyword
 =====
@@ -18,4 +19,5 @@ AuthorizedKeysFile
 
 (server_config
   (ERROR
-    (alphanumeric)))
+    (alphanumeric))
+  (empty_line))

tree-sitter-ssh-server-config/test/corpus/valid_expressions.txt

@@ -348,3 +348,11 @@ port 1234
     (alphanumeric)
     (arguments
       (number))))
+====
+parse empty line
+====
+
+
+---
+(server_config
+  (empty_line))