diff options
Diffstat (limited to 'mesalib/src/glsl/list.h')
-rw-r--r-- | mesalib/src/glsl/list.h | 568 |
1 files changed, 379 insertions, 189 deletions
diff --git a/mesalib/src/glsl/list.h b/mesalib/src/glsl/list.h index b2e249657..fa6ec12cc 100644 --- a/mesalib/src/glsl/list.h +++ b/mesalib/src/glsl/list.h @@ -87,67 +87,29 @@ struct exec_node { /* empty */ } - const exec_node *get_next() const - { - return next; - } + const exec_node *get_next() const; + exec_node *get_next(); - exec_node *get_next() - { - return next; - } + const exec_node *get_prev() const; + exec_node *get_prev(); - const exec_node *get_prev() const - { - return prev; - } - - exec_node *get_prev() - { - return prev; - } - - void remove() - { - next->prev = prev; - prev->next = next; - next = NULL; - prev = NULL; - } + void remove(); /** * Link a node with itself * * This creates a sort of degenerate list that is occasionally useful. */ - void self_link() - { - next = this; - prev = this; - } + void self_link(); /** * Insert a node in the list after the current node */ - void insert_after(exec_node *after) - { - after->next = this->next; - after->prev = this; - - this->next->prev = after; - this->next = after; - } + void insert_after(exec_node *after); /** * Insert a node in the list before the current node */ - void insert_before(exec_node *before) - { - before->next = this; - before->prev = this->prev; - - this->prev->next = before; - this->prev = before; - } + void insert_before(exec_node *before); /** * Insert another list in the list before the current node @@ -157,33 +119,165 @@ struct exec_node { /** * Replace the current node with the given node. */ - void replace_with(exec_node *replacement) - { - replacement->prev = this->prev; - replacement->next = this->next; - - this->prev->next = replacement; - this->next->prev = replacement; - } + void replace_with(exec_node *replacement); /** * Is this the sentinel at the tail of the list? */ - bool is_tail_sentinel() const - { - return this->next == NULL; - } + bool is_tail_sentinel() const; /** * Is this the sentinel at the head of the list? */ - bool is_head_sentinel() const - { - return this->prev == NULL; - } + bool is_head_sentinel() const; #endif }; +static inline void +exec_node_init(struct exec_node *n) +{ + n->next = NULL; + n->prev = NULL; +} + +static inline const struct exec_node * +exec_node_get_next_const(const struct exec_node *n) +{ + return n->next; +} + +static inline struct exec_node * +exec_node_get_next(struct exec_node *n) +{ + return n->next; +} + +static inline const struct exec_node * +exec_node_get_prev_const(const struct exec_node *n) +{ + return n->prev; +} + +static inline struct exec_node * +exec_node_get_prev(struct exec_node *n) +{ + return n->prev; +} + +static inline void +exec_node_remove(struct exec_node *n) +{ + n->next->prev = n->prev; + n->prev->next = n->next; + n->next = NULL; + n->prev = NULL; +} + +static inline void +exec_node_self_link(struct exec_node *n) +{ + n->next = n; + n->prev = n; +} + +static inline void +exec_node_insert_after(struct exec_node *n, struct exec_node *after) +{ + after->next = n->next; + after->prev = n; + + n->next->prev = after; + n->next = after; +} + +static inline void +exec_node_insert_node_before(struct exec_node *n, struct exec_node *before) +{ + before->next = n; + before->prev = n->prev; + + n->prev->next = before; + n->prev = before; +} + +static inline void +exec_node_replace_with(struct exec_node *n, struct exec_node *replacement) +{ + replacement->prev = n->prev; + replacement->next = n->next; + + n->prev->next = replacement; + n->next->prev = replacement; +} + +static inline bool +exec_node_is_tail_sentinel(const struct exec_node *n) +{ + return n->next == NULL; +} + +static inline bool +exec_node_is_head_sentinel(const struct exec_node *n) +{ + return n->prev == NULL; +} + +#ifdef __cplusplus +inline const exec_node *exec_node::get_next() const +{ + return exec_node_get_next_const(this); +} + +inline exec_node *exec_node::get_next() +{ + return exec_node_get_next(this); +} + +inline const exec_node *exec_node::get_prev() const +{ + return exec_node_get_prev_const(this); +} + +inline exec_node *exec_node::get_prev() +{ + return exec_node_get_prev(this); +} + +inline void exec_node::remove() +{ + exec_node_remove(this); +} + +inline void exec_node::self_link() +{ + exec_node_self_link(this); +} + +inline void exec_node::insert_after(exec_node *after) +{ + exec_node_insert_after(this, after); +} + +inline void exec_node::insert_before(exec_node *before) +{ + exec_node_insert_node_before(this, before); +} + +inline void exec_node::replace_with(exec_node *replacement) +{ + exec_node_replace_with(this, replacement); +} + +inline bool exec_node::is_tail_sentinel() const +{ + return exec_node_is_tail_sentinel(this); +} + +inline bool exec_node::is_head_sentinel() const +{ + return exec_node_is_head_sentinel(this); +} +#endif #ifdef __cplusplus /* This macro will not work correctly if `t' uses virtual inheritance. If you @@ -229,75 +323,19 @@ struct exec_list { make_empty(); } - void make_empty() - { - head = (exec_node *) & tail; - tail = NULL; - tail_pred = (exec_node *) & head; - } - - bool is_empty() const - { - /* There are three ways to test whether a list is empty or not. - * - * - Check to see if the \c head points to the \c tail. - * - Check to see if the \c tail_pred points to the \c head. - * - Check to see if the \c head is the sentinel node by test whether its - * \c next pointer is \c NULL. - * - * The first two methods tend to generate better code on modern systems - * because they save a pointer dereference. - */ - return head == (exec_node *) &tail; - } - - const exec_node *get_head() const - { - return !is_empty() ? head : NULL; - } - - exec_node *get_head() - { - return !is_empty() ? head : NULL; - } - - const exec_node *get_tail() const - { - return !is_empty() ? tail_pred : NULL; - } - - exec_node *get_tail() - { - return !is_empty() ? tail_pred : NULL; - } + void make_empty(); - void push_head(exec_node *n) - { - n->next = head; - n->prev = (exec_node *) &head; + bool is_empty() const; - n->next->prev = n; - head = n; - } + const exec_node *get_head() const; + exec_node *get_head(); - void push_tail(exec_node *n) - { - n->next = (exec_node *) &tail; - n->prev = tail_pred; + const exec_node *get_tail() const; + exec_node *get_tail(); - n->prev->next = n; - tail_pred = n; - } - - void push_degenerate_list_at_head(exec_node *n) - { - assert(n->prev->next == n); - - n->prev->next = head; - head->prev = n->prev; - n->prev = (exec_node *) &head; - head = n; - } + void push_head(exec_node *n); + void push_tail(exec_node *n); + void push_degenerate_list_at_head(exec_node *n); /** * Remove the first node from a list and return it @@ -307,87 +345,239 @@ struct exec_list { * * \sa exec_list::get_head */ - exec_node *pop_head() - { - exec_node *const n = this->get_head(); - if (n != NULL) - n->remove(); - - return n; - } + exec_node *pop_head(); /** * Move all of the nodes from this list to the target list */ - void move_nodes_to(exec_list *target) - { - if (is_empty()) { - target->make_empty(); - } else { - target->head = head; - target->tail = NULL; - target->tail_pred = tail_pred; - - target->head->prev = (exec_node *) &target->head; - target->tail_pred->next = (exec_node *) &target->tail; - - make_empty(); - } - } + void move_nodes_to(exec_list *target); /** * Append all nodes from the source list to the target list */ - void - append_list(exec_list *source) - { - if (source->is_empty()) - return; - - /* Link the first node of the source with the last node of the target list. - */ - this->tail_pred->next = source->head; - source->head->prev = this->tail_pred; - - /* Make the tail of the source list be the tail of the target list. - */ - this->tail_pred = source->tail_pred; - this->tail_pred->next = (exec_node *) &this->tail; - - /* Make the source list empty for good measure. - */ - source->make_empty(); - } + void append_list(exec_list *source); #endif }; +static inline void +exec_list_make_empty(struct exec_list *list) +{ + list->head = (struct exec_node *) & list->tail; + list->tail = NULL; + list->tail_pred = (struct exec_node *) & list->head; +} -#ifdef __cplusplus -inline void exec_node::insert_before(exec_list *before) +static inline bool +exec_list_is_empty(const struct exec_list *list) +{ + /* There are three ways to test whether a list is empty or not. + * + * - Check to see if the \c head points to the \c tail. + * - Check to see if the \c tail_pred points to the \c head. + * - Check to see if the \c head is the sentinel node by test whether its + * \c next pointer is \c NULL. + * + * The first two methods tend to generate better code on modern systems + * because they save a pointer dereference. + */ + return list->head == (struct exec_node *) &list->tail; +} + +static inline const struct exec_node * +exec_list_get_head_const(const struct exec_list *list) +{ + return !exec_list_is_empty(list) ? list->head : NULL; +} + +static inline struct exec_node * +exec_list_get_head(struct exec_list *list) +{ + return !exec_list_is_empty(list) ? list->head : NULL; +} + +static inline const struct exec_node * +exec_list_get_tail_const(const struct exec_list *list) +{ + return !exec_list_is_empty(list) ? list->tail_pred : NULL; +} + +static inline struct exec_node * +exec_list_get_tail(struct exec_list *list) +{ + return !exec_list_is_empty(list) ? list->tail_pred : NULL; +} + +static inline void +exec_list_push_head(struct exec_list *list, struct exec_node *n) +{ + n->next = list->head; + n->prev = (struct exec_node *) &list->head; + + n->next->prev = n; + list->head = n; +} + +static inline void +exec_list_push_tail(struct exec_list *list, struct exec_node *n) +{ + n->next = (struct exec_node *) &list->tail; + n->prev = list->tail_pred; + + n->prev->next = n; + list->tail_pred = n; +} + +static inline void +exec_list_push_degenerate_list_at_head(struct exec_list *list, struct exec_node *n) +{ + assert(n->prev->next == n); + + n->prev->next = list->head; + list->head->prev = n->prev; + n->prev = (struct exec_node *) &list->head; + list->head = n; +} + +static inline struct exec_node * +exec_list_pop_head(struct exec_list *list) +{ + struct exec_node *const n = exec_list_get_head(list); + if (n != NULL) + exec_node_remove(n); + + return n; +} + +static inline void +exec_list_move_nodes_to(struct exec_list *list, struct exec_list *target) +{ + if (exec_list_is_empty(list)) { + exec_list_make_empty(target); + } else { + target->head = list->head; + target->tail = NULL; + target->tail_pred = list->tail_pred; + + target->head->prev = (struct exec_node *) &target->head; + target->tail_pred->next = (struct exec_node *) &target->tail; + + exec_list_make_empty(list); + } +} + +static inline void +exec_list_append(struct exec_list *list, struct exec_list *source) +{ + if (exec_list_is_empty(source)) + return; + + /* Link the first node of the source with the last node of the target list. + */ + list->tail_pred->next = source->head; + source->head->prev = list->tail_pred; + + /* Make the tail of the source list be the tail of the target list. + */ + list->tail_pred = source->tail_pred; + list->tail_pred->next = (struct exec_node *) &list->tail; + + /* Make the source list empty for good measure. + */ + exec_list_make_empty(source); +} + +static inline void +exec_node_insert_list_before(struct exec_node *n, struct exec_list *before) { - if (before->is_empty()) + if (exec_list_is_empty(before)) return; - before->tail_pred->next = this; - before->head->prev = this->prev; + before->tail_pred->next = n; + before->head->prev = n->prev; - this->prev->next = before->head; - this->prev = before->tail_pred; + n->prev->next = before->head; + n->prev = before->tail_pred; - before->make_empty(); + exec_list_make_empty(before); +} + +#ifdef __cplusplus +inline void exec_list::make_empty() +{ + exec_list_make_empty(this); +} + +inline bool exec_list::is_empty() const +{ + return exec_list_is_empty(this); +} + +inline const exec_node *exec_list::get_head() const +{ + return exec_list_get_head_const(this); +} + +inline exec_node *exec_list::get_head() +{ + return exec_list_get_head(this); +} + +inline const exec_node *exec_list::get_tail() const +{ + return exec_list_get_tail_const(this); +} + +inline exec_node *exec_list::get_tail() +{ + return exec_list_get_tail(this); +} + +inline void exec_list::push_head(exec_node *n) +{ + exec_list_push_head(this, n); +} + +inline void exec_list::push_tail(exec_node *n) +{ + exec_list_push_tail(this, n); +} + +inline void exec_list::push_degenerate_list_at_head(exec_node *n) +{ + exec_list_push_degenerate_list_at_head(this, n); +} + +inline exec_node *exec_list::pop_head() +{ + return exec_list_pop_head(this); +} + +inline void exec_list::move_nodes_to(exec_list *target) +{ + exec_list_move_nodes_to(this, target); +} + +inline void exec_list::append_list(exec_list *source) +{ + exec_list_append(this, source); +} + +inline void exec_node::insert_before(exec_list *before) +{ + exec_node_insert_list_before(this, before); } #endif /** * This version is safe even if the current node is removed. */ -#define foreach_list_safe(__node, __list) \ - for (exec_node * __node = (__list)->head, * __next = __node->next \ - ; __next != NULL \ +#define foreach_list_safe(__node, __list) \ + for (struct exec_node * __node = (__list)->head, * __next = __node->next \ + ; __next != NULL \ ; __node = __next, __next = __next->next) #define foreach_list(__node, __list) \ - for (exec_node * __node = (__list)->head \ + for (struct exec_node * __node = (__list)->head \ ; (__node)->next != NULL \ ; (__node) = (__node)->next) @@ -397,19 +587,19 @@ inline void exec_node::insert_before(exec_list *before) * This is safe against either current node being removed or replaced. */ #define foreach_two_lists(__node1, __list1, __node2, __list2) \ - for (exec_node * __node1 = (__list1)->head, \ - * __node2 = (__list2)->head, \ - * __next1 = __node1->next, \ - * __next2 = __node2->next \ + for (struct exec_node * __node1 = (__list1)->head, \ + * __node2 = (__list2)->head, \ + * __next1 = __node1->next, \ + * __next2 = __node2->next \ ; __next1 != NULL && __next2 != NULL \ ; __node1 = __next1, \ __node2 = __next2, \ __next1 = __next1->next, \ __next2 = __next2->next) -#define foreach_list_const(__node, __list) \ - for (const exec_node * __node = (__list)->head \ - ; (__node)->next != NULL \ +#define foreach_list_const(__node, __list) \ + for (const struct exec_node * __node = (__list)->head \ + ; (__node)->next != NULL \ ; (__node) = (__node)->next) #define foreach_list_typed(__type, __node, __field, __list) \ |