1 files changed, 4 insertions, 6 deletions
diff --git a/src/lib/aplwc_internal.h b/src/lib/aplwc_internal.h
index 4ad30f8..33feafb 100644
--- a/src/lib/aplwc_internal.h
+++ b/src/lib/aplwc_internal.h
@@ -3,11 +3,6 @@
 
 #include <aplwc.h>
 #include <aplwc_macros.h>
-
-#define RETURN_ERROR(aplwcp, rc, msg) do{ \
-	return ((aplwc)->last_error = (rc)); \
-	}while(0)
-
 #include <assert.h>
 #include <stdalign.h>
 #include <stdbool.h>
@@ -39,7 +34,9 @@ struct string {
 enum token_tag {
 	TOKEN_TAG_IDENTIFIER,
 	TOKEN_TAG_NEWLINE,
-	TOKEN_TAG_NUMBER
+	TOKEN_TAG_NUMBER,
+	TOKEN_TAG_LEFT_ARROW,
+	TOKEN_TAG_DIAMOND
 };
 
 struct token {
@@ -54,6 +51,7 @@ struct token_list {
 };
 
 enum value_tag {
+	VALUE_NULL,
 	VALUE_NUMBER
 };