[PATCH v3 07/12] perf expr: debug lex if debugging yacc
From: Ian Rogers
Date: Thu Apr 30 2020 - 03:52:04 EST
Only effects parser debugging (disabled by default). Enables displaying
'--accepting rule at line .. ("...").
Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
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 c3382d58cf40..8694bec86f1a 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -44,6 +44,7 @@ __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);
--
2.26.2.303.gf8c07b1a785-goog