1 /* tree.h - declarations for tree.c */ 2 #ifndef TREE_H 3 #define TREE_H 4 5 #include "tree_types.h" 6 7 ELEMENT *new_element (enum element_type type); 8 void add_to_element_contents (ELEMENT *parent, ELEMENT *e); 9 void add_to_contents_as_array (ELEMENT *parent, ELEMENT *e); 10 void add_to_element_args (ELEMENT *parent, ELEMENT *e); 11 void insert_into_contents (ELEMENT *parent, ELEMENT *e, int where); 12 void insert_into_args (ELEMENT *parent, ELEMENT *e, int where); 13 void insert_slice_into_contents (ELEMENT *to, int idx, ELEMENT *from, 14 int start, int end); 15 ELEMENT *remove_from_contents (ELEMENT *parent, int where); 16 ELEMENT *last_args_child (ELEMENT *current); 17 ELEMENT *last_contents_child (ELEMENT *current); 18 ELEMENT *pop_element_from_args (ELEMENT *parent); 19 ELEMENT *pop_element_from_contents (ELEMENT *parent); 20 ELEMENT *contents_child_by_index (ELEMENT *e, int index); 21 ELEMENT *args_child_by_index (ELEMENT *e, int index); 22 void destroy_element (ELEMENT *e); 23 void destroy_element_and_children (ELEMENT *e); 24 25 #define element_contents_number(e) ((e)->contents.number) 26 #define element_args_number(e) ((e)->args.number) 27 #define element_text(e) (text_base (&(e)->text)) 28 29 #endif 30