Implement support for brackets in filter expressions

[lttng-tools.git] / src / lib / lttng-ctl / filter / filter-parser.y

diff --git a/src/lib/lttng-ctl/filter/filter-parser.y b/src/lib/lttng-ctl/filter/filter-parser.y
index 92499e075c9a9bc0c53c3a19ea1cc5b9662a30c3..12605cd382b8af4d65c3d59b7076b3d982870af5 100644 (file)
--- a/src/lib/lttng-ctl/filter/filter-parser.y
+++ b/src/lib/lttng-ctl/filter/filter-parser.y
@@ -471,6 +471,12 @@ primary_expression
 postfix_expression
        : primary_expression
                {       $$ = $1;                                        }
 postfix_expression
        : primary_expression
                {       $$ = $1;                                        }

+       | postfix_expression LSBRAC unary_expression RSBRAC
+               {
+                       $$ = $1;
+                       $$->u.expression.pre_op = AST_LINK_BRACKET;
+                       $$->u.expression.next = $3;
+               }

        | postfix_expression DOT IDENTIFIER
                {
                        $$ = make_node(parser_ctx, NODE_EXPRESSION);
        | postfix_expression DOT IDENTIFIER
                {
                        $$ = make_node(parser_ctx, NODE_EXPRESSION);