* PromQL: Fix lexer error handling
This fixes bugs in the handling of lexer errors that are only noticeable for users of the language server and caused https://github.com/prometheus-community/promql-langserver/issues/104 .
Signed-off-by: Tobias Guggenmos <tobias.guggenmos@uni-ulm.de>
* Add test for error position ranges
Signed-off-by: Tobias Guggenmos <tobias.guggenmos@uni-ulm.de>
This PR fixes the regression tests for the issue fixed in #6931 .
The reason for that is that all of the invalid queries that triggered the regression have become more or less valid syntax in #6933 (they might still fail typechecking).
Signed-off-by: Tobias Guggenmos <tobias.guggenmos@uni-ulm.de>
