Merge pull request #504 from rgstephens/colang-syntax-msg

Add colang 2.0 syntax error details

Author: drazvan

.gitignore

@@ -30,3 +30,5 @@ eval_outputs
 local_cache
 # Ignore example configs created in user guides
 docs/user_guides/llm/vertexai/config
+# vscode local history extension
+.history

nemoguardrails/colang/v2_x/lang/expansion.py

@@ -475,7 +475,9 @@ def _expand_await_element(
                 )
             )
         else:
-            raise ColangSyntaxError(f"Unsupported spec type '{type(element.spec)}'")
+            raise ColangSyntaxError(
+                f"Unsupported spec type '{type(element.spec)}', element '{element.spec.name}' on line {element._source.line}"
+            )
     else:
         # Element group
         normalized_group = normalize_element_groups(element.spec)
@@ -611,7 +613,7 @@ def _expand_activate_element(
         else:
             # It's an UMIM event
             raise ColangSyntaxError(
-                f"Only flows can be activated but not '{element.spec.spec_type}'!"
+                f"Only flows can be activated but not '{element.spec.spec_type}', element '{element.spec.name}' on line {element._source.line}!"
             )
     elif isinstance(element.spec, dict):
         # Multiple match elements