Add if and else operators

1 files changed, 10 insertions, 1 deletions

diff --git a/include/nanowasm/private.h b/include/nanowasm/private.h
index 018164e..bd42f1e 100644
--- a/include/nanowasm/private.h
+++ b/include/nanowasm/private.h
@@ -232,7 +232,7 @@ union nw_i_sm
 
     struct nw_i_sm_sb
     {
-        void (*next)(struct nw_interp *);
+        enum nw_state (*next)(struct nw_interp *);
         struct nw_sm_leb128 leb128;
         struct nw_sm_io io;
     } start_block;
@@ -283,6 +283,15 @@ union nw_i_sm
         } value;
     } store;
 
+    struct nw_i_sm_if
+    {
+        nw_varint7 sig;
+        struct nw_i_sm_sb sb;
+        struct nw_sm_leb128 leb128;
+        struct nw_sm_io io;
+        long condition;
+    } sm_if;
+
     struct nw_i_sm_br
     {
         nw_varuint32 relative_depth;