src/usr.bin/yacc/mkpar.c - diff - 1.19

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Diff for /src/usr.bin/yacc/mkpar.c between version 1.18 and 1.19

version 1.18, 2014/03/13 00:59:34

version 1.19, 2017/05/25 20:11:03

Line 49

Line 49

static int SRcount;

static int SRcount;

static int RRcount;

static int RRcount;

extern action *parse_actions();

extern action *parse_actions(int);

extern action *get_shifts();

extern action *get_shifts(int);

extern action *add_reductions();

extern action *add_reductions(int, action *);

extern action *add_reduce();

extern action *add_reduce(action *, int, int);

short sole_reduction(int);

short sole_reduction(int);

void free_action_row(action *);

void free_action_row(action *);

Line 98

Line 98

{

{

action *actions, *temp;

action *actions, *temp;

shifts *sp;

shifts *sp;

short *to_state;

short *tto_state;

int i, k;

int i, k;

int symbol;

int symbol;

actions = 0;

actions = 0;

sp = shift_table[stateno];

sp = shift_table[stateno];

if (sp) {

if (sp) {

to_state = sp->shift;

tto_state = sp->shift;

for (i = sp->nshifts - 1; i >= 0; i--) {

for (i = sp->nshifts - 1; i >= 0; i--) {

k = to_state[i];

k = tto_state[i];

symbol = accessing_symbol[k];

symbol = accessing_symbol[k];

if (ISTOKEN(symbol)) {

if (ISTOKEN(symbol)) {

temp = NEW(action);

temp = NEW(action);

Line 187

Line 187

find_final_state(void)

find_final_state(void)

{

{

int goal, i;

int goal, i;

short *to_state;

short *tto_state;

shifts *p;

shifts *p;

p = shift_table[0];

p = shift_table[0];

to_state = p->shift;

tto_state = p->shift;

goal = ritem[1];

goal = ritem[1];

for (i = p->nshifts - 1; i >= 0; --i) {

for (i = p->nshifts - 1; i >= 0; --i) {

final_state = to_state[i];

final_state = tto_state[i];

if (accessing_symbol[final_state] == goal)

if (accessing_symbol[final_state] == goal)

break;

break;

}

}