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* src/state.h, src/state.c (state_new): New, extracted from...

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* src/LR0.c (new_state): here.
* src/state.h (STATE_ALLOC): Move to...
* src/state.c: here.
* src/LR0.h, src/LR0.c (nstates, final_state): Move to...
* src/state.h, src/state.c: here.
This commit is contained in:
Akim Demaille
2002-06-30 17:28:44 +00:00
parent 39f4191608
commit df0e7316a9
5 changed files with 87 additions and 28 deletions
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29
src/LR0.c
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@@ -37,10 +37,6 @@
#include "lalr.h"
#include "reduce.h"
state_number_t nstates = 0;
/* FINAL_STATE is properly set by new_state when it recognizes its
accessing symbol: EOF. */
state_t *final_state = NULL;
static state_t *first_state = NULL;
static state_t *this_state = NULL;
@@ -182,37 +178,26 @@ new_itemsets (void)
static state_t *
new_state (symbol_number_t symbol, size_t core_size, item_number_t *core)
{
state_t *p;
state_t *res;
if (trace_flag)
fprintf (stderr, "Entering new_state, state = %d, symbol = %d (%s)\n",
nstates, symbol, symbol_tag_get (symbols[symbol]));
if (nstates >= STATE_NUMBER_MAX)
fatal (_("too many states (max %d)"), STATE_NUMBER_MAX);
p = STATE_ALLOC (core_size);
p->accessing_symbol = symbol;
p->number = nstates;
p->solved_conflicts = NULL;
p->nitems = core_size;
memcpy (p->items, core, core_size * sizeof (core[0]));
res = state_new (symbol, core_size, core);
/* If this is the eoftoken, and this is not the initial state, then
this is the final state. */
if (symbol == 0 && first_state)
final_state = p;
final_state = res;
if (!first_state)
first_state = p;
first_state = res;
if (last_state)
last_state->next = p;
last_state = p;
last_state->next = res;
last_state = res;
nstates++;
return p;
return res;
}