add more detailed error messages; fix a couple bugs

2 files changed, 10 insertions, 0 deletions

diff --git a/include/builtins.h b/include/builtins.h
index 629b935..38b9965 100644
--- a/include/builtins.h
+++ b/include/builtins.h
@@ -154,6 +154,10 @@ void stemfwrite(value_t *v);
 /*! @brief [VINT/VFLOAT] sleep; sleeps for an amount of seconds. */
 void stemsleep(value_t *v);
 
+void stemcut(value_t *v);
+
+void undef(value_t *v);
+
 /*! @brief adds all the custom objects defined to OBJ_TABLE */
 void add_objs();
 
diff --git a/include/stem.h b/include/stem.h
index 69bfcb4..381b0ad 100644
--- a/include/stem.h
+++ b/include/stem.h
@@ -197,6 +197,9 @@ void sll_add(sll_t *l, string_t *key, void *v, void (*freefunc)(void *));
 /*! Gets value by key from singly linked list. */
 void *sll_get(sll_t *l, string_t *key);
 
+/*! deletes item from singly linked list */
+void sll_delete(sll_t *l, string_t *k, void (*freefunc)(void *));
+
 /*! Frees singly linked list */
 void sll_free(sll_t *l, void (*freefunc)(void *));
 
@@ -210,6 +213,9 @@ void ht_add(ht_t *h, string_t *key, void *v, void (*freefunc)(void *));
 /*! Gets value from hash table by key */
 void *ht_get(ht_t *h, string_t *key);
 
+/*! Deletes item from hash table */
+void ht_delete(ht_t *h, string_t *key, void (*freefunc)(void *));
+
 /*! returns true if key exists in hash table. false otherwise */
 bool ht_exists(ht_t *h, string_t *key);