[RFC PATCH v2 07/23] perf expr: debug lex if debugging yacc

[Ian Rogers]

Only effects parser debugging (disabled by default). Enables displaying
'--accepting rule at line .. ("...").

Signed-off-by: Ian Rogers <irog...@google.com>
---
 tools/perf/util/expr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index aa631e37ad1e..8b4ce704a68d 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -45,6 +45,7 @@ __expr__parse(double *val, struct expr_parse_ctx *ctx, const 
char *expr,
 
 #ifdef PARSER_DEBUG
        expr_debug = 1;
+       expr_set_debug(1, scanner);
 #endif
 
        ret = expr_parse(val, ctx, scanner);
-- 
2.26.2.526.g744177e7f7-goog