Add debug except to block parsing

Author: felix-hilden

src/sphinx_codeautolink/extension/block.py

@@ -258,6 +258,12 @@ def parse_source(  # noqa: C901
             msg = self._parsing_error_msg(e, language, show_source)
             logger.warning(msg, type=warn_type, subtype="parse_block", location=node)
             return
+        except Exception as e:
+            show_source = self._format_source_for_error(
+                self.global_preface, self.concat_sources, prefaces, transform.source
+            )
+            msg = self._parsing_error_msg(e, language, show_source)
+            raise type(e)(msg) from e
 
         if prefaces or self.concat_sources or self.global_preface:
             concat_lens = [s.count("\n") + 1 for s in self.concat_sources]