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Backported typed list updates from v3

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Source: dda37842dc
This commit is contained in:
Maria Matejka 2024-06-24 09:45:57 +02:00 committed by Ondrej Zajicek
parent 333c7e8536
commit f27004fb4d
1 changed files with 76 additions and 10 deletions
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84
lib/tlists.h
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@ -71,27 +71,34 @@
#define TLIST_NAME(x) MACRO_CONCAT_AFTER(TLIST_PREFIX,_##x)
#ifndef TLIST_LIST_STRUCT
#define TLIST_LIST_STRUCT TLIST_NAME(list)
#define TLIST_LIST_STRUCT struct TLIST_NAME(list)
#endif
typedef struct TLIST_LIST_STRUCT {
TLIST_TYPE *first;
TLIST_TYPE *last;
} TLIST_LIST_STRUCT;
#ifndef TLIST_DEFINED_BEFORE
TLIST_STRUCT_DEF(TLIST_PREFIX, TLIST_TYPE);
#endif
static inline TLIST_LIST_STRUCT * TLIST_NAME(enlisted)(TLIST_TYPE *node)
{
return node->TLIST_ITEM.list;
}
#ifdef TLIST_WANT_WALK
static inline struct TLIST_NAME(node) * TLIST_NAME(node_get)(TLIST_TYPE *node)
{ return &(node->TLIST_ITEM); }
#endif
#ifdef TLIST_WANT_ADD_HEAD
#if defined(TLIST_WANT_ADD_HEAD) || defined(TLIST_WANT_ADD_AFTER)
static inline void TLIST_NAME(add_head)(TLIST_LIST_STRUCT *list, TLIST_TYPE *node)
{
ASSERT_DIE(!node->TLIST_ITEM.prev && !node->TLIST_ITEM.next);
ASSERT_DIE(!TLIST_NAME(enlisted)(node));
node->TLIST_ITEM.list = list;
if (node->TLIST_ITEM.next = list->first)
list->first->TLIST_ITEM.prev = node;
else
list->last = node;
list->first = node;
}
#endif
@ -99,17 +106,65 @@ static inline void TLIST_NAME(add_head)(TLIST_LIST_STRUCT *list, TLIST_TYPE *nod
#ifdef TLIST_WANT_ADD_TAIL
static inline void TLIST_NAME(add_tail)(TLIST_LIST_STRUCT *list, TLIST_TYPE *node)
{
ASSERT_DIE(!node->TLIST_ITEM.prev && !node->TLIST_ITEM.next);
ASSERT_DIE(!TLIST_NAME(enlisted)(node));
node->TLIST_ITEM.list = list;
if (node->TLIST_ITEM.prev = list->last)
list->last->TLIST_ITEM.next = node;
else
list->first = node;
list->last = node;
}
#endif
#ifdef TLIST_WANT_UPDATE_NODE
static inline void TLIST_NAME(update_node)(TLIST_LIST_STRUCT *list, TLIST_TYPE *node)
{
ASSERT_DIE(TLIST_NAME(enlisted)(node) == list);
if (node->TLIST_ITEM.prev)
node->TLIST_ITEM.prev->TLIST_ITEM.next = node;
else
list->first = node;
if (node->TLIST_ITEM.next)
node->TLIST_ITEM.next->TLIST_ITEM.prev = node;
else
list->last = node;
}
#endif
#ifdef TLIST_WANT_ADD_AFTER
static inline void TLIST_NAME(add_after)(TLIST_LIST_STRUCT *list, TLIST_TYPE *node, TLIST_TYPE *after)
{
ASSERT_DIE(!TLIST_NAME(enlisted)(node));
/* Adding to beginning */
if (!(node->TLIST_ITEM.prev = after))
return TLIST_NAME(add_head)(list, node);
/* OK, Adding after a real node */
node->TLIST_ITEM.list = list;
/* There is another node after the anchor */
if (node->TLIST_ITEM.next = after->TLIST_ITEM.next)
/* Link back */
node->TLIST_ITEM.next->TLIST_ITEM.prev = node;
else
/* Or we are adding the last node */
list->last = node;
/* Link forward from "after" */
after->TLIST_ITEM.next = node;
}
#endif
static inline void TLIST_NAME(rem_node)(TLIST_LIST_STRUCT *list, TLIST_TYPE *node)
{
ASSERT_DIE(TLIST_NAME(enlisted)(node) == list);
if (node->TLIST_ITEM.prev)
node->TLIST_ITEM.prev->TLIST_ITEM.next = node->TLIST_ITEM.next;
else
@ -127,6 +182,7 @@ static inline void TLIST_NAME(rem_node)(TLIST_LIST_STRUCT *list, TLIST_TYPE *nod
}
node->TLIST_ITEM.next = node->TLIST_ITEM.prev = NULL;
node->TLIST_ITEM.list = NULL;
}
#undef TLIST_PREFIX
@ -136,6 +192,7 @@ static inline void TLIST_NAME(rem_node)(TLIST_LIST_STRUCT *list, TLIST_TYPE *nod
#undef TLIST_ITEM
#undef TLIST_WANT_ADD_HEAD
#undef TLIST_WANT_ADD_TAIL
#undef TLIST_WANT_UPDATE_NODE
# endif
#else
@ -147,8 +204,14 @@ static inline void TLIST_NAME(rem_node)(TLIST_LIST_STRUCT *list, TLIST_TYPE *nod
#error "You should first include lib/tlists.h without requesting a TLIST"
#endif
#define TLIST_NODE(_name, _type) struct _name##_node { _type *next; _type *prev; }
#define TLIST_LIST(_name) struct _name##_list
#define TLIST_STRUCT_DEF(_name, _type) TLIST_LIST(_name) { _type *first, *last; }
#define TLIST_NODE_IN(_name, _type) { _type *next; _type *prev; TLIST_LIST(_name) *list; }
#define TLIST_NODE(_name, _type) struct _name##_node TLIST_NODE_IN(_name, _type)
#define TLIST_DEFAULT_NODE struct MACRO_CONCAT_AFTER(TLIST_PREFIX,_node) \
TLIST_NODE_IN(TLIST_PREFIX,TLIST_TYPE) TLIST_ITEM
/* Use ->first and ->last to access HEAD and TAIL */
#define THEAD(_name, _list) (_list)->first
@ -168,5 +231,8 @@ static inline void TLIST_NAME(rem_node)(TLIST_LIST_STRUCT *list, TLIST_TYPE *nod
/* Empty check */
#define EMPTY_TLIST(_name, _list) (!(_list)->first)
/* List length */
#define TLIST_LENGTH(_name, _list) ({ uint _len = 0; WALK_TLIST(_name, _, _list) _len++; _len; })
#endif