1 files changed, 6 insertions, 2 deletions
diff --git a/consts.h b/consts.h
index a4f4ae3..5e3f43d 100644
--- a/consts.h
+++ b/consts.h
@@ -4,8 +4,12 @@
 enum ErrCode {
     SYN_ERR_NOT_AN_ID,
     SYN_ERR_CAN_NOT_APPLY,
-    SYN_ERR_ID_EXPECTED,
-    SYN_ERR_UNBOUND_VAR
+    RUN_ERR_UNBOUND_VAR,
+    SYN_ERR_MISS_OR_EXTRA_EXP,
+    SYN_ERR_EMPTY_PARA_LIST,
+    RUN_ERR_WRONG_NUM_OF_ARGS,
+    SYN_ERR_EMPTY_COMB,
+    READ_ERR_UNEXPECTED_RIGHT_BRACKET
 };
 
 extern const char *SYN_ERR_MSG[];