fix: fixed A LOT of bugs and memory leaks. Removed ast_is_* commands as they're not really useful and seems redundant with ast_get_*. Also made some changes to lists utils to make architecture clearer and some other random tweaks or fixes.

src/utils/ast/ast_list.c

@@ -1,28 +1,32 @@
 #include "ast_list.h"
 
+#include <stdio.h>
+
 struct ast *ast_create_list(struct list *list)
 {
     struct ast_list *ast_list = malloc(sizeof(struct ast_list));
     if (ast_list == NULL)
+    {
+        perror("Error: could not allocate more memory");
         return NULL;
+    }
 
     ast_list->children = list;
 
-    return ast_create(AST_LIST, ast_list);
+    struct ast *result = ast_create(AST_LIST, ast_list);
+    if (result == NULL)
+        free(ast_list);
+
+    return result;
 }
 
 struct ast_list *ast_get_list(struct ast *node)
 {
-    if (node == NULL)
+    if (node == NULL || node->type != AST_LIST)
         return NULL;
     return node->data;
 }
 
-bool ast_is_list(struct ast *node)
-{
-    return node != NULL && node->type == AST_LIST;
-}
-
 void ast_free_list(struct ast_list *ast_list)
 {
     if (ast_list == NULL)
@@ -40,7 +44,7 @@ void ast_list_deep_destroy(struct list *l)
     {
         next_elt = elt->next;
 
-        struct ast *node = (struct ast *)elt->data;
+        struct ast *node = elt->data;
         ast_free(&node);
         free(elt);
         elt = next_elt;