exec good

1 files changed, 12 insertions, 2 deletions

diff --git a/sloth.c b/sloth.c
index 9cb045a..e64264c 100644
--- a/sloth.c
+++ b/sloth.c
@@ -1,4 +1,5 @@
 #include "sloth.h"
+#include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -53,14 +54,23 @@ SlothError sloth_dict_append(Sloth *ctx, SlothDict dict)
 
 SlothError sloth_exec(Sloth *ctx, const char *s)
 {
+	SlothError err;
 	const SlothHash hash = XXH32(s, strlen(s), 0);
 	for (SlothDict *dict = ctx->dict; dict != NULL; dict = dict->next)
 		if (dict->hash == hash) {
-			const SlothError err = dict->func(ctx);
+			err = dict->func(ctx);
 			if (err != NULL)
 				return err;
+			return NULL;
 		}
-	return "sloth_exec: unrecognized token";
+	for (size_t i = 0; s[i] != '\0'; i++)
+		if (!isdigit(s[i]))
+			return "sloth_exec: unrecognized token";
+			       "a litteral";
+	err = sloth_push(ctx, atoi(s));
+	if (err != NULL)
+		return err;
+	return NULL;
 }
 
 SlothError sloth_exec_line(Sloth *ctx, char *s)