fix: error parsing from annotations

message is no longer on the annotation node, but instead on the
surrounding exception node, so we can now override the message for a
node when calling diagnostic_from_exception

We also check for end_lineno before trying to use it

vyper_lsp/analyzer/AstAnalyzer.py

@@ -285,7 +285,7 @@ def get_diagnostics(self, doc: Document) -> List[Diagnostic]:
                     diagnostics.append(diagnostic_from_exception(e))
                 else:
                     for a in e.annotations:
-                        diagnostics.append(diagnostic_from_exception(a))
+                        diagnostics.append(diagnostic_from_exception(a, message=e.message))
             for warning in w:
                 m = deprecation_pattern.match(str(warning.message))
                 if not m:

vyper_lsp/utils.py

@@ -181,16 +181,21 @@ def range_from_node(node: VyperNode) -> Range:
 
 
 def range_from_exception(node: VyperException) -> Range:
+    if getattr(node, "end_lineno", None) is None:
+        return Range(
+            start=Position(line=node.lineno - 1, character=node.col_offset),
+            end=Position(line=node.lineno - 1, character=node.col_offset),
+        )
     return Range(
         start=Position(line=node.lineno - 1, character=node.col_offset),
         end=Position(line=node.end_lineno - 1, character=node.end_col_offset),
     )
 
 
-def diagnostic_from_exception(node: VyperException) -> Diagnostic:
+def diagnostic_from_exception(node: VyperException, message=None) -> Diagnostic:
     return Diagnostic(
         range=range_from_exception(node),
-        message=str(node),
+        message=message or str(node),
         severity=DiagnosticSeverity.Error,
     )