X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0fb669f9d648dfdd7a39478a6b658511455ae966..c1d19e10c32844d17122b473840752003521d21b:/src/state.h?ds=sidebyside diff --git a/src/state.h b/src/state.h index 440cd466..a2ae217f 100644 --- a/src/state.h +++ b/src/state.h @@ -46,11 +46,11 @@ Each core contains a vector of NITEMS items which are the indices in the RITEMS vector of the items that are selected in this state. - The two types of actions are shifts/gotos (push the look-ahead token + The two types of actions are shifts/gotos (push the lookahead token and read another/goto to the state designated by a nterm) and reductions (combine the last n things on the stack via a rule, replace them with the symbol that the rule derives, and leave the - look-ahead token alone). When the states are generated, these + lookahead token alone). When the states are generated, these actions are represented in two other lists. Each transition structure describes the possible transitions out @@ -185,7 +185,7 @@ errs *errs_new (int num, symbol **tokens); typedef struct { int num; - bitset *look_ahead_tokens; + bitset *lookahead_tokens; rule *rules[1]; } reductions; @@ -203,7 +203,7 @@ struct state reductions *reductions; errs *errs; - /* Nonzero if no look-ahead is needed to decide what to do in state S. */ + /* Nonzero if no lookahead is needed to decide what to do in state S. */ char consistent; /* If some conflicts were solved thanks to precedence/associativity, @@ -234,9 +234,9 @@ int state_reduction_find (state *s, rule *r); /* Set the errs of STATE. */ void state_errs_set (state *s, int num, symbol **errors); -/* Print on OUT all the look-ahead tokens such that this STATE wants to +/* Print on OUT all the lookahead tokens such that this STATE wants to reduce R. */ -void state_rule_look_ahead_tokens_print (state *s, rule *r, FILE *out); +void state_rule_lookahead_tokens_print (state *s, rule *r, FILE *out); /* Create/destroy the states hash table. */ void state_hash_new (void);