Loki: Added support for "or" statements in line filters (#78705)

* Lezer: upgrade to 0.2.2

* Operations: update definitions

* Operations: update renderer

* Parsing: parse line filters with or operations

* Parsing: add unit test

* Formatting

* getHighlighterExpressionsFromQuery: add support for or statements

* Operation editor: trim button title if param name is empty

* getHighlighterExpressionsFromQuery: properly handle ip filters

public/app/plugins/datasource/loki/querybuilder/parsing.ts

@@ -51,6 +51,7 @@ import {
   Without,
   BinOpModifier,
   OnOrIgnoringModifier,
+  OrFilter,
 } from '@grafana/lezer-logql';
 
 import {
@@ -275,7 +276,6 @@ function getLineFilter(expr: string, node: SyntaxNode): GetOperationResult {
   const filter = getString(expr, node.getChild(Filter));
   const filterExpr = handleQuotes(getString(expr, node.getChild(String)));
   const ipLineFilter = node.getChild(FilterOp)?.getChild(Ip);
-
   if (ipLineFilter) {
     return {
       operation: {
@@ -284,6 +284,14 @@ function getLineFilter(expr: string, node: SyntaxNode): GetOperationResult {
       },
     };
   }
+
+  const params = [filterExpr];
+  let orFilter = node.getChild(OrFilter);
+  while (orFilter) {
+    params.push(handleQuotes(getString(expr, orFilter.getChild(String))));
+    orFilter = orFilter.getChild(OrFilter);
+  }
+
   const mapFilter: Record<string, LokiOperationId> = {
     '|=': LokiOperationId.LineContains,
     '!=': LokiOperationId.LineContainsNot,
@@ -294,7 +302,7 @@ function getLineFilter(expr: string, node: SyntaxNode): GetOperationResult {
   return {
     operation: {
       id: mapFilter[filter],
-      params: [filterExpr],
+      params,
     },
   };
 }