}
-/*--------------------.
-| Build STATE_TABLE. |
-`--------------------*/
-
-static void
-set_state_table (void)
-{
- /* NSTATES + 1 because lookahead for the pseudo state number NSTATES
- might be used (see conflicts.c). It is too opaque for me to
- provide a probably less hacky implementation. --akim */
- state_table = XCALLOC (state_t *, nstates + 1);
-
- {
- state_t *sp;
- for (sp = first_state; sp; sp = sp->next)
- state_table[sp->number] = sp;
- }
-
- /* Pessimization, but simplification of the code: make sure all the
- states have a shifts, even if reduced to 0 shifts. */
- {
- int i;
- for (i = 0; i < nstates; i++)
- if (!state_table[i]->shifts)
- state_table[i]->shifts = shifts_new (0);
- }
-
- /* Initializing the lookaheads members. Please note that it must be
- performed after having set some of the other members which are
- used below. Change with extreme caution. */
- {
- int i;
- int count = 0;
- for (i = 0; i < nstates; i++)
- {
- int k;
- reductions *rp = state_table[i]->reductions;
- shifts *sp = state_table[i]->shifts;
-
- state_table[i]->lookaheads = count;
-
- if (rp
- && (rp->nreds > 1 || (sp->nshifts && SHIFT_IS_SHIFT (sp, 0))))
- count += rp->nreds;
- else
- state_table[i]->consistent = 1;
-
- for (k = 0; k < sp->nshifts; k++)
- if (SHIFT_IS_ERROR (sp, k))
- {
- state_table[i]->consistent = 0;
- break;
- }
- }
-
- /* Seems to be needed by conflicts.c. */
- state_table[nstates] = STATE_ALLOC (0);
- state_table[nstates]->lookaheads = count;
- }
-}
-
-
static void
initialize_LA (void)
{
}
+/*--------------------------------------.
+| Initializing the lookaheads members. |
+`--------------------------------------*/
+
+static void
+initialize_lookaheads (void)
+{
+ int i;
+ int count = 0;
+ for (i = 0; i < nstates; i++)
+ {
+ int k;
+ reductions *rp = state_table[i]->reductions;
+ shifts *sp = state_table[i]->shifts;
+
+ state_table[i]->lookaheads = count;
+
+ if (rp
+ && (rp->nreds > 1 || (sp->nshifts && SHIFT_IS_SHIFT (sp, 0))))
+ count += rp->nreds;
+ else
+ state_table[i]->consistent = 1;
+
+ for (k = 0; k < sp->nshifts; k++)
+ if (SHIFT_IS_ERROR (sp, k))
+ {
+ state_table[i]->consistent = 0;
+ break;
+ }
+ }
+
+ /* Seems to be needed by conflicts.c. */
+ state_table[nstates] = STATE_ALLOC (0);
+ state_table[nstates]->lookaheads = count;
+}
+
void
lalr (void)
{
tokensetsize = WORDSIZE (ntokens);
- set_state_table ();
+ initialize_lookaheads ();
initialize_LA ();
set_goto_map ();
initialize_F ();