X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Flib%2Flttng-ctl%2Ffilter%2Ffilter-ast.h;h=067624906d7ad5cd1fa8cc382c095dcd7e1f5387;hp=73d8d44e6a189bfc72550af99776d84d5711a1dd;hb=661dfdd190c65bad5a044e21c1d5f9ad59144bf8;hpb=ff86d8d0bd96d3660ad79aa6158fbeb9055652b2

diff --git a/src/lib/lttng-ctl/filter/filter-ast.h b/src/lib/lttng-ctl/filter/filter-ast.h
index 73d8d44e6..067624906 100644
--- a/src/lib/lttng-ctl/filter/filter-ast.h
+++ b/src/lib/lttng-ctl/filter/filter-ast.h
@@ -95,6 +95,7 @@ enum ast_link_type {
 	AST_LINK_UNKNOWN = 0,
 	AST_LINK_DOT,
 	AST_LINK_RARROW,
+	AST_LINK_BRACKET,
 };
 
 struct filter_node {
@@ -133,8 +134,9 @@ struct filter_node {
 				 */
 				struct filter_node *child;
 			} u;
-			/* linked dot/arrow chain */
+			/* prev: linked dot/arrow chain (postfix expression) */
 			struct filter_node *prev;
+			/* next: linked bracket chain (prefix expression) */
 			struct filter_node *next;
 		} expression;
 		struct {