src: expr: add and use expr_name helper

Currently callers use expr->ops->name, but follouwp patch will remove the
ops pointer from struct expr.  So add this helper and use it everywhere.

Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/expression.h b/include/expression.h
index f018c958..8a4cf5b1 100644
--- a/include/expression.h
+++ b/include/expression.h
@@ -406,6 +406,8 @@ extern struct expr *symbol_expr_alloc(const struct location *loc,
 				      enum symbol_types type, struct scope *scope,
 				      const char *identifier);
 
+const char *expr_name(const struct expr *e);
+
 static inline void symbol_expr_set_type(struct expr *expr,
 					const struct datatype *dtype)
 {