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split LR table representation by key type (terminals/nonterminals)

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This commit is contained in:
Sven M. Hallberg 2013-06-21 22:55:04 +02:00
parent d67e12a825
commit 853e1fba46
7 changed files with 156 additions and 68 deletions
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6
src/backends/lr.h
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@ -48,8 +48,9 @@ typedef struct HLRAction_ {
} HLRAction;
typedef struct HLRTable_ {
size_t nrows;
HHashTable **rows; // map symbols to HLRActions
size_t nrows; // dimension of the pointer arrays below
HHashTable **ntmap; // map nonterminal symbols to HLRActions, per row
HStringMap **tmap; // map lookahead strings to HLRActions, per row
HLRAction **forall; // shortcut to set an action for an entire row
HCFChoice *start; // start symbol
HSlist *inadeq; // indices of any inadequate states
@ -110,6 +111,7 @@ HLREngine *h_lrengine_new(HArena *arena, HArena *tarena, const HLRTable *table,
HLRAction *h_reduce_action(HArena *arena, const HLRItem *item);
HLRAction *h_shift_action(HArena *arena, size_t nextstate);
HLRAction *h_lr_conflict(HArena *arena, HLRAction *action, HLRAction *new);
bool h_lrtable_row_empty(const HLRTable *table, size_t i);
bool h_eq_symbol(const void *p, const void *q);
bool h_eq_lr_itemset(const void *p, const void *q);