[PATCH v2 07/11] perf expr: debug lex if debugging yacc

Ian Rogers
2020-04-22T22:04:56Z

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

Signed-off-by: Ian Rogers <irogers@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 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