X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/574fb2d5682af3cf6917e414b4240879d3e7f008..d257636504fc23c24be818a34f55a226bb29b719:/src/state.c diff --git a/src/state.c b/src/state.c index 9f6572b3..37add6d1 100644 --- a/src/state.c +++ b/src/state.c @@ -35,32 +35,32 @@ | Create a new array of N shifts/gotos. | `---------------------------------------*/ -#define SHIFTS_ALLOC(Nshifts) \ - (shifts_t *) xcalloc ((unsigned) (sizeof (shifts_t) \ +#define TRANSITIONS_ALLOC(Nshifts) \ + (transitions_t *) xcalloc ((unsigned) (sizeof (transitions_t) \ + (Nshifts - 1) * sizeof (state_number_t)), 1) -static shifts_t * -shifts_new (int nshifts, state_number_t *shifts) +static transitions_t * +transitions_new (int num, state_number_t *the_states) { - shifts_t *res = SHIFTS_ALLOC (nshifts); - res->nshifts = nshifts; - memcpy (res->shifts, shifts, nshifts * sizeof (shifts[0])); + transitions_t *res = TRANSITIONS_ALLOC (num); + res->num = num; + memcpy (res->states, the_states, num * sizeof (the_states[0])); return res; } -/*-----------------------------------------------------------------. -| Return the state such these SHIFTS contain a shift/goto to it on | -| SYMBOL. Aborts if none found. | -`-----------------------------------------------------------------*/ +/*-------------------------------------------------------------------. +| Return the state such these TRANSITIONS contain a shift/goto to it | +| on SYMBOL. Aborts if none found. | +`-------------------------------------------------------------------*/ state_t * -shifts_to (shifts_t *shifts, symbol_number_t s) +transitions_to (transitions_t *shifts, symbol_number_t s) { int j; - for (j = 0; j < shifts->nshifts; j++) - if (SHIFT_SYMBOL (shifts, j) == s) - return states[shifts->shifts[j]]; + for (j = 0; j < shifts->num; j++) + if (TRANSITION_SYMBOL (shifts, j) == s) + return states[shifts->states[j]]; abort (); } @@ -76,14 +76,14 @@ shifts_to (shifts_t *shifts, symbol_number_t s) #define ERRS_ALLOC(Nerrs) \ (errs_t *) xcalloc ((unsigned) (sizeof (errs_t) \ - + (Nerrs - 1) * sizeof (short)), 1) + + (Nerrs - 1) * sizeof (symbol_number_t)), 1) errs_t * errs_new (int n) { errs_t *res = ERRS_ALLOC (n); - res->nerrs = n; + res->num = n; return res; } @@ -91,8 +91,8 @@ errs_new (int n) errs_t * errs_dup (errs_t *src) { - errs_t *res = errs_new (src->nerrs); - memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0])); + errs_t *res = errs_new (src->num); + memcpy (res->symbols, src->symbols, src->num * sizeof (src->symbols[0])); return res; } @@ -110,13 +110,13 @@ errs_dup (errs_t *src) #define REDUCTIONS_ALLOC(Nreductions) \ (reductions_t *) xcalloc ((unsigned) (sizeof (reductions_t) \ - + (Nreductions - 1) * sizeof (short)), 1) + + (Nreductions - 1) * sizeof (rule_number_t)), 1) static reductions_t * reductions_new (int nreductions, short *reductions) { reductions_t *res = REDUCTIONS_ALLOC (nreductions); - res->nreds = nreductions; + res->num = nreductions; memcpy (res->rules, reductions, nreductions * sizeof (reductions[0])); return res; } @@ -168,9 +168,9 @@ state_new (symbol_number_t accessing_symbol, `--------------------------*/ void -state_shifts_set (state_t *state, int nshifts, state_number_t *shifts) +state_transitions_set (state_t *state, int nshifts, state_number_t *shifts) { - state->shifts = shifts_new (nshifts, shifts); + state->shifts = transitions_new (nshifts, shifts); }