fix: freeze on error recovery (#34)

Author: emiasims

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "tree-sitter-org"
 description = "org grammar for the tree-sitter parsing library"
-version = "1.3.0"
+version = "1.3.1"
 keywords = ["incremental", "parsing", "org"]
 categories = ["parsing", "text-editors"]
 repository = "https://github.com/milisims/tree-sitter-org"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "tree-sitter-org",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "Org grammar for tree-sitter",
   "main": "bindings/node",
   "keywords": [

src/scanner.cc

@@ -105,6 +105,16 @@ struct Scanner {
     return true;
   }
 
+  bool in_error_recovery(const bool *valid_symbols) {
+    return (valid_symbols[LISTSTART] &&
+        valid_symbols[LISTEND] &&
+        valid_symbols[LISTITEMEND] &&
+        valid_symbols[BULLET] &&
+        valid_symbols[HLSTARS] &&
+        valid_symbols[SECTIONEND] &&
+        valid_symbols[ENDOFFILE]);
+  }
+
   Bullet getbullet(TSLexer *lexer) {
     if (lexer->lookahead == '-') {
       advance(lexer);
@@ -150,6 +160,10 @@ struct Scanner {
 
 bool scan(TSLexer *lexer, const bool *valid_symbols) {
 
+  if (in_error_recovery(valid_symbols))
+    return false;
+
+
   // - Section ends
   int16_t indent_length = 0;
   lexer->mark_end(lexer);