This commit was generated by cvs2svn to compensate for changes in r4,
which included commits to RCS files with non-trunk default branches. git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@5 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc
292
OPTYap/tab.structs.h
Normal file
292
OPTYap/tab.structs.h
Normal file
@@ -0,0 +1,292 @@
|
||||
/* ---------------------------- **
|
||||
** Struct table_entry **
|
||||
** ---------------------------- */
|
||||
|
||||
typedef struct table_entry {
|
||||
#ifdef YAPOR
|
||||
lockvar lock;
|
||||
#endif /* YAPOR */
|
||||
struct subgoal_trie_node *subgoal_trie;
|
||||
struct subgoal_hash *hash_chain;
|
||||
struct table_entry *next;
|
||||
} *tab_ent_ptr;
|
||||
|
||||
#define TabEnt_lock(X) ((X)->lock)
|
||||
#define TabEnt_subgoal_trie(X) ((X)->subgoal_trie)
|
||||
#define TabEnt_hash_chain(X) ((X)->hash_chain)
|
||||
#define TabEnt_next(X) ((X)->next)
|
||||
|
||||
|
||||
|
||||
/* -------------------------------------------------------- **
|
||||
** Structs subgoal_trie_node and answer_trie_node **
|
||||
** -------------------------------------------------------- */
|
||||
|
||||
typedef struct subgoal_trie_node {
|
||||
Term entry;
|
||||
#ifdef TABLE_LOCK_AT_NODE_LEVEL
|
||||
lockvar lock;
|
||||
#endif /* TABLE_LOCK_AT_NODE_LEVEL */
|
||||
struct subgoal_trie_node *child;
|
||||
struct subgoal_trie_node *parent;
|
||||
struct subgoal_trie_node *next;
|
||||
} *sg_node_ptr;
|
||||
|
||||
typedef struct answer_trie_node {
|
||||
OPCODE trie_instruction; /* u.opc */
|
||||
#ifdef YAPOR
|
||||
int or_arg; /* u.ld.or_arg */
|
||||
#endif /* YAPOR */
|
||||
Term entry;
|
||||
#ifdef TABLE_LOCK_AT_NODE_LEVEL
|
||||
lockvar lock;
|
||||
#endif /* TABLE_LOCK_AT_NODE_LEVEL */
|
||||
struct answer_trie_node *child;
|
||||
struct answer_trie_node *parent;
|
||||
struct answer_trie_node *next;
|
||||
} *ans_node_ptr;
|
||||
|
||||
#define TrNode_instr(X) ((X)->trie_instruction)
|
||||
#define TrNode_or_arg(X) ((X)->or_arg)
|
||||
#define TrNode_entry(X) ((X)->entry)
|
||||
#define TrNode_lock(X) ((X)->lock)
|
||||
#define TrNode_sg_fr(X) ((X)->child)
|
||||
#define TrNode_child(X) ((X)->child)
|
||||
#define TrNode_parent(X) ((X)->parent)
|
||||
#define TrNode_next(X) ((X)->next)
|
||||
|
||||
|
||||
|
||||
/* ---------------------------------------------- **
|
||||
** Structs subgoal_hash and answer_hash **
|
||||
** ---------------------------------------------- */
|
||||
|
||||
typedef struct subgoal_hash {
|
||||
/* the first field is used for compatibility **
|
||||
** with the subgoal_trie_node data structure */
|
||||
Term mark;
|
||||
int number_of_buckets;
|
||||
struct subgoal_trie_node **buckets;
|
||||
int number_of_nodes;
|
||||
struct subgoal_hash *next;
|
||||
} *sg_hash_ptr;
|
||||
|
||||
typedef struct answer_hash {
|
||||
/* the first field is used for compatibility **
|
||||
** with the answer_trie_node data structure */
|
||||
OPCODE mark;
|
||||
int number_of_buckets;
|
||||
struct answer_trie_node **buckets;
|
||||
int number_of_nodes;
|
||||
struct answer_hash *next;
|
||||
} *ans_hash_ptr;
|
||||
|
||||
#define Hash_mark(X) ((X)->mark)
|
||||
#define Hash_num_buckets(X) ((X)->number_of_buckets)
|
||||
#define Hash_seed(X) ((X)->number_of_buckets - 1)
|
||||
#define Hash_buckets(X) ((X)->buckets)
|
||||
#define Hash_bucket(X,N) ((X)->buckets + N)
|
||||
#define Hash_num_nodes(X) ((X)->number_of_nodes)
|
||||
#define Hash_next(X) ((X)->next)
|
||||
|
||||
|
||||
|
||||
/* ------------------------------ **
|
||||
** Struct subgoal_frame **
|
||||
** ------------------------------ */
|
||||
|
||||
typedef struct subgoal_frame {
|
||||
#ifdef YAPOR
|
||||
lockvar lock;
|
||||
int generator_worker;
|
||||
struct or_frame *top_or_frame_on_generator_branch;
|
||||
#endif /* YAPOR */
|
||||
choiceptr generator_choice_point;
|
||||
struct subgoal_trie_node *subgoal_trie;
|
||||
struct answer_trie_node *answer_trie;
|
||||
struct answer_trie_node *first_answer;
|
||||
struct answer_trie_node *last_answer;
|
||||
struct answer_hash *hash_chain;
|
||||
enum {
|
||||
resolving = 0,
|
||||
complete = 1,
|
||||
executable = 2
|
||||
} state_flag;
|
||||
/* vsc: needed by garbage collector to find where substitution frame for table_completion is */
|
||||
int subgoal_arity;
|
||||
struct subgoal_frame *next;
|
||||
} *sg_fr_ptr;
|
||||
|
||||
#define SgFr_lock(X) ((X)->lock)
|
||||
#define SgFr_gen_worker(X) ((X)->generator_worker)
|
||||
#define SgFr_gen_top_or_fr(X) ((X)->top_or_frame_on_generator_branch)
|
||||
#define SgFr_gen_cp(X) ((X)->generator_choice_point)
|
||||
#define SgFr_subgoal_trie(X) ((X)->subgoal_trie)
|
||||
#define SgFr_answer_trie(X) ((X)->answer_trie)
|
||||
#define SgFr_first_answer(X) ((X)->first_answer)
|
||||
#define SgFr_last_answer(X) ((X)->last_answer)
|
||||
#define SgFr_hash_chain(X) ((X)->hash_chain)
|
||||
#define SgFr_state(X) ((X)->state_flag)
|
||||
#define SgFr_arity(X) ((X)->subgoal_arity)
|
||||
#define SgFr_next(X) ((X)->next)
|
||||
|
||||
/* ------------------------------------------------------------------------------------------- **
|
||||
SgFr_lock: lock variable to modify the frame fields.
|
||||
SgFr_gen_worker: the id of the worker that had allocated the frame.
|
||||
SgFr_gen_top_or_fr: a pointer to the top or-frame in the generator choice point branch.
|
||||
When the generator choice point is shared the pointer is updated
|
||||
to its or-frame. It is used to find the direct dependency node for
|
||||
consumer nodes in other workers branches.
|
||||
SgFr_gen_cp: a pointer to the correspondent generator choice point.
|
||||
SgFr_subgoal_trie: a pointer to the bottom subgoal trie node.
|
||||
It is used to abolish incomplete subgoals.
|
||||
SgFr_answer_trie: a pointer to the top answer trie node.
|
||||
It is used to check for/insert new answers.
|
||||
SgFr_first_answer: a pointer to the bottom answer trie node of the first available answer.
|
||||
SgFr_last_answer: a pointer to the bottom answer trie node of the last available answer.
|
||||
SgFr_hash_chain: a pointer to the first answer_hash struct for the subgoal in hand.
|
||||
SgFr_state: a flag that indicates the subgoal state
|
||||
SgFr_next: a pointer to chain between subgoal frames.
|
||||
** ------------------------------------------------------------------------------------------- */
|
||||
|
||||
|
||||
|
||||
/* --------------------------------- **
|
||||
** Struct dependency_frame **
|
||||
** --------------------------------- */
|
||||
|
||||
typedef struct dependency_frame {
|
||||
#ifdef YAPOR
|
||||
lockvar lock;
|
||||
int leader_dependency_is_on_stack;
|
||||
struct or_frame *top_or_frame;
|
||||
#ifdef TIMESTAMP_CHECK
|
||||
long timestamp;
|
||||
#endif /* TIMESTAMP_CHECK */
|
||||
#endif /* YAPOR */
|
||||
choiceptr backchain_choice_point;
|
||||
choiceptr leader_choice_point;
|
||||
choiceptr consumer_choice_point;
|
||||
struct subgoal_frame *subgoal_frame;
|
||||
struct answer_trie_node *last_consumed_answer;
|
||||
struct dependency_frame *next;
|
||||
} *dep_fr_ptr;
|
||||
|
||||
#define DepFr_lock(X) ((X)->lock)
|
||||
#define DepFr_leader_dep_is_on_stack(X) ((X)->leader_dependency_is_on_stack)
|
||||
#define DepFr_top_or_fr(X) ((X)->top_or_frame)
|
||||
#define DepFr_timestamp(X) ((X)->timestamp)
|
||||
#define DepFr_backchain_cp(X) ((X)->backchain_choice_point)
|
||||
#define DepFr_leader_cp(X) ((X)->leader_choice_point)
|
||||
#define DepFr_cons_cp(X) ((X)->consumer_choice_point)
|
||||
#define DepFr_sg_fr(X) ((X)->subgoal_frame)
|
||||
#define DepFr_last_ans(X) ((X)->last_consumed_answer)
|
||||
#define DepFr_next(X) ((X)->next)
|
||||
|
||||
/* ---------------------------------------------------------------------------------------------------- **
|
||||
DepFr_lock: lock variable to modify the frame fields.
|
||||
DepFr_leader_dep_is_on_stack: the generator choice point for the correspondent consumer choice point
|
||||
is on the worker's stack (FALSE/TRUE).
|
||||
DepFr_top_or_fr: a pointer to the top or-frame in the consumer choice point branch.
|
||||
When the consumer choice point is shared the pointer is updated to
|
||||
its or-frame. It is used to update the LOCAL_top_or_fr when a worker
|
||||
backtracks through answers.
|
||||
DepFr_timestamp: a timestamp used to optimize the search for suspension frames to be
|
||||
resumed.
|
||||
DepFr_backchain_cp: a pointer to the nearest choice point with untried alternatives.
|
||||
It is used to efficiently return (backtrack) to the leader node where
|
||||
we perform the last backtracking through answers operation.
|
||||
DepFr_leader_cp: a pointer to the leader choice point.
|
||||
DepFr_cons_cp: a pointer to the correspondent consumer choice point.
|
||||
DepFr_sg_fr: a pointer to the correspondent subgoal frame.
|
||||
DepFr_last_ans: a pointer to the last consumed answer.
|
||||
DepFr_next: a pointer to chain between dependency frames.
|
||||
** ---------------------------------------------------------------------------------------------------- */
|
||||
|
||||
|
||||
|
||||
/* --------------------------------- **
|
||||
** Struct suspension_frame **
|
||||
** --------------------------------- */
|
||||
|
||||
#ifdef YAPOR
|
||||
typedef struct suspension_frame {
|
||||
struct or_frame *top_or_frame_on_stack;
|
||||
struct dependency_frame *top_dependency_frame;
|
||||
struct subgoal_frame *top_subgoal_frame;
|
||||
struct suspended_block {
|
||||
void *resume_register;
|
||||
void *block_start;
|
||||
long block_size;
|
||||
} global_block, local_block, trail_block;
|
||||
struct suspension_frame *next;
|
||||
} *susp_fr_ptr;
|
||||
#endif /* YAPOR */
|
||||
|
||||
#define SuspFr_top_or_fr_on_stack(X) ((X)->top_or_frame_on_stack)
|
||||
#define SuspFr_top_dep_fr(X) ((X)->top_dependency_frame)
|
||||
#define SuspFr_top_sg_fr(X) ((X)->top_subgoal_frame)
|
||||
#define SuspFr_global_reg(X) ((X)->global_block.resume_register)
|
||||
#define SuspFr_global_start(X) ((X)->global_block.block_start)
|
||||
#define SuspFr_global_size(X) ((X)->global_block.block_size)
|
||||
#define SuspFr_local_reg(X) ((X)->local_block.resume_register)
|
||||
#define SuspFr_local_start(X) ((X)->local_block.block_start)
|
||||
#define SuspFr_local_size(X) ((X)->local_block.block_size)
|
||||
#define SuspFr_trail_reg(X) ((X)->trail_block.resume_register)
|
||||
#define SuspFr_trail_start(X) ((X)->trail_block.block_start)
|
||||
#define SuspFr_trail_size(X) ((X)->trail_block.block_size)
|
||||
#define SuspFr_next(X) ((X)->next)
|
||||
|
||||
|
||||
|
||||
/* ----------------------------- **
|
||||
** Struct generator_cp **
|
||||
** ----------------------------- */
|
||||
|
||||
typedef struct generator_choice_point {
|
||||
/* common choicepoints fields */
|
||||
tr_fr_ptr gcp_tr;
|
||||
CELL *gcp_h;
|
||||
struct choicept *gcp_b;
|
||||
#ifdef DEPTH_LIMIT
|
||||
CELL gcp_depth;
|
||||
#endif /* DEPTH_LIMIT */
|
||||
yamop *gcp_cp;
|
||||
#ifdef YAPOR
|
||||
struct or_frame *gcp_or_fr;
|
||||
#endif /* YAPOR */
|
||||
yamop *gcp_ap;
|
||||
CELL *gcp_env;
|
||||
|
||||
/* specific generator choicepoint fields */
|
||||
#ifdef TABLING_BATCHED_SCHEDULING
|
||||
struct subgoal_frame *gcp_sg_fr;
|
||||
#else /* TABLING_LOCAL_SCHEDULING */
|
||||
struct dependency_frame *gcp_dep_fr;
|
||||
#endif /* TABLING_SCHEDULING */
|
||||
} *gen_cp_ptr;
|
||||
|
||||
|
||||
|
||||
/* ---------------------------- **
|
||||
** Struct consumer_cp **
|
||||
** ---------------------------- */
|
||||
|
||||
typedef struct consumer_choice_point {
|
||||
/* common choicepoints fields */
|
||||
tr_fr_ptr ccp_tr;
|
||||
CELL *ccp_h;
|
||||
struct choicept *ccp_b;
|
||||
#ifdef DEPTH_LIMIT
|
||||
CELL ccp_depth;
|
||||
#endif /* DEPTH_LIMIT */
|
||||
yamop *ccp_cp;
|
||||
#ifdef YAPOR
|
||||
struct or_frame *ccp_or_fr;
|
||||
#endif /* YAPOR */
|
||||
yamop *ccp_ap;
|
||||
CELL *ccp_env;
|
||||
|
||||
/* specific consumer choicepoint fields */
|
||||
struct dependency_frame *ccp_dep_fr;
|
||||
} *cons_cp_ptr;
|
||||
Reference in New Issue
Block a user