optimize node_get_text

Author: MrPrezident

tree_sitter/binding/node.c

@@ -637,12 +637,13 @@ PyObject *node_get_text(Node *self, void *Py_UNUSED(payload)) {
 
             // Update current_point and current_offset
             Py_ssize_t bytes_read = PyBytes_Size(rv);
+            const char *rv_str = PyBytes_AsString(rv);  // Retrieve the string pointer once
             for (Py_ssize_t i = 0; i < bytes_read; ++i) {
-                if (PyBytes_AsString(rv)[i] == '\n') {
-                    current_point.row += 1;
+                if (rv_str[i] == '\n') {
+                    ++current_point.row;
                     current_point.column = 0;
                 } else {
-                    current_point.column += 1;
+                    ++current_point.column;
                 }
             }
             current_offset += bytes_read;