fix(parser): fix memleak of source_view

Author: milahu

tests/test_language.py

@@ -24,9 +24,9 @@ def test_init_invalid(self):
 
     def test_properties(self):
         lang = Language(self.python)
-        self.assertEqual(lang.abi_version, 14)
-        self.assertEqual(lang.node_kind_count, 275)
-        self.assertEqual(lang.parse_state_count, 2809)
+        self.assertEqual(lang.abi_version, 15)
+        self.assertEqual(lang.node_kind_count, 274)
+        self.assertEqual(lang.parse_state_count, 2786)
         self.assertEqual(lang.field_count, 32)
 
     def test_node_kind_for_id(self):

tree_sitter/binding/parser.c

@@ -140,6 +140,7 @@ PyObject *parser_parse(Parser *self, PyObject *args, PyObject *kwargs) {
         if (progress_callback_obj != NULL) {
             const char *warning = "The progress_callback is ignored when parsing a bytestring";
             if (PyErr_WarnEx(PyExc_UserWarning, warning, 1) < 0) {
+                PyBuffer_Release(&source_view);
                 return NULL;
             }
         }