added more error report

1 files changed, 6 insertions, 2 deletions

diff --git a/consts.cpp b/consts.cpp
index 894482e..c7058b0 100644
--- a/consts.cpp
+++ b/consts.cpp
@@ -3,6 +3,10 @@
 const char *SYN_ERR_MSG[] = {
     "\"%s\" is not an valid identifier",
     "Cannot apply the operation \"%s\"",
-    "An identifier is expected",
-    "Unbound variable: \"%s\""
+    "Unbound variable: \"%s\"",
+    "Missing or extra expression in (%s)",
+    "Empty parameter list in (%s)",
+    "Wrong number of arguments to procedure (%s)",
+    "Illegal empty combination ()",
+    "Unexpected \")\""
 };