src/usr.bin/lex/gen.c - diff

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Diff for /src/usr.bin/lex/gen.c between version 1.12 and 1.13

version 1.12, 2015/11/19 19:43:40

version 1.13, 2015/11/19 22:52:40

Line 39

/* declare functions that have forward references */

void gen_next_state PROTO ((int));

void gen_next_state PROTO((int));

void genecs PROTO ((void));

void genecs PROTO((void));

void indent_put2s PROTO ((const char *, const char *));

void indent_put2s PROTO((const char *, const char *));

void indent_puts PROTO ((const char *));

void indent_puts PROTO((const char *));

static int indent_level = 0; /* each level is 8 spaces */

Line 57

* 0 elements of its arrays, too.)

static const char *get_int16_decl (void)

static const char *

get_int16_decl(void)

{

return (gentables)

? "static yyconst flex_int16_t %s[%d] =\n { 0,\n"

: "static yyconst flex_int16_t * %s = 0;\n";

}

static const char *get_int32_decl (void)

static const char *

get_int32_decl(void)

{

return (gentables)

? "static yyconst flex_int32_t %s[%d] =\n { 0,\n"

: "static yyconst flex_int32_t * %s = 0;\n";

}

static const char *get_state_decl (void)

static const char *

get_state_decl(void)

{

return (gentables)

? "static yyconst yy_state_type %s[%d] =\n { 0,\n"

: "static yyconst yy_state_type * %s = 0;\n";

}

/* Indent to the current level. */

void do_indent ()

void

do_indent()

{

int i = indent_level * 8;

while (i >= 8) {

outc ('\t');

outc('\t');

i -= 8;

}

while (i > 0) {

outc (' ');

outc(' ');

--i;

}

Line 100

Line 104

/** Make the table for possible eol matches.

* @return the newly allocated rule_can_match_eol table

static struct yytbl_data *mkeoltbl (void)

static struct yytbl_data *

mkeoltbl(void)

{

int i;

flex_int8_t *tdata = 0;

struct yytbl_data *tbl;

tbl = (struct yytbl_data *) calloc (1, sizeof (struct yytbl_data));

tbl = (struct yytbl_data *) calloc(1, sizeof(struct yytbl_data));

yytbl_data_init (tbl, YYTD_ID_RULE_CAN_MATCH_EOL);

yytbl_data_init(tbl, YYTD_ID_RULE_CAN_MATCH_EOL);

tbl->td_flags = YYTD_DATA8;

tbl->td_lolen = num_rules + 1;

tbl->td_data = tdata =

(flex_int8_t *) calloc (tbl->td_lolen, sizeof (flex_int8_t));

(flex_int8_t *) calloc(tbl->td_lolen, sizeof(flex_int8_t));

for (i = 1; i <= num_rules; i++)

tdata[i] = rule_has_nl[i] ? 1 : 0;

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_RULE_CAN_MATCH_EOL, (void**)&yy_rule_can_match_eol, sizeof(%s)},\n",

"flex_int32_t");

return tbl;

}

/* Generate the table for possible eol matches. */

static void geneoltbl ()

static void

geneoltbl()

{

int i;

outn ("m4_ifdef( [[M4_YY_USE_LINENO]],[[");

outn("m4_ifdef( [[M4_YY_USE_LINENO]],[[");

outn ("/* Table of booleans, true if rule could match eol. */");

outn("/* Table of booleans, true if rule could match eol. */");

out_str_dec (get_int32_decl (), "yy_rule_can_match_eol",

out_str_dec(get_int32_decl(), "yy_rule_can_match_eol",

num_rules + 1);

if (gentables) {

for (i = 1; i <= num_rules; i++) {

out_dec ("%d, ", rule_has_nl[i] ? 1 : 0);

out_dec("%d, ", rule_has_nl[i] ? 1 : 0);

/* format nicely, 20 numbers per line. */

if ((i % 20) == 19)

out ("\n ");

out("\n ");

}

out (" };\n");

out(" };\n");

}

outn ("]])");

outn("]])");

}

/* Generate the code to keep backing-up information. */

void gen_backing_up ()

void

gen_backing_up()

{

if (reject || num_backing_up == 0)

return;

if (fullspd)

indent_puts ("if ( yy_current_state[-1].yy_nxt )");

indent_puts("if ( yy_current_state[-1].yy_nxt )");

else

indent_puts ("if ( yy_accept[yy_current_state] )");

indent_puts("if ( yy_accept[yy_current_state] )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts ("YY_G(yy_last_accepting_state) = yy_current_state;");

indent_puts("YY_G(yy_last_accepting_state) = yy_current_state;");

indent_puts ("YY_G(yy_last_accepting_cpos) = yy_cp;");

indent_puts("YY_G(yy_last_accepting_cpos) = yy_cp;");

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

}

/* Generate the code to perform the backing up. */

void gen_bu_action ()

void

gen_bu_action()

{

if (reject || num_backing_up == 0)

return;

set_indent (3);

set_indent(3);

indent_puts ("case 0: /* must back up */");

indent_puts("case 0: /* must back up */");

indent_puts ("/* undo the effects of YY_DO_BEFORE_ACTION */");

indent_puts("/* undo the effects of YY_DO_BEFORE_ACTION */");

indent_puts ("*yy_cp = YY_G(yy_hold_char);");

indent_puts("*yy_cp = YY_G(yy_hold_char);");

if (fullspd || fulltbl)

indent_puts ("yy_cp = YY_G(yy_last_accepting_cpos) + 1;");

indent_puts("yy_cp = YY_G(yy_last_accepting_cpos) + 1;");

else

/* Backing-up info for compressed tables is taken \after/

* Backing-up info for compressed tables is taken \after/

* yy_cp has been incremented for the next state.

indent_puts ("yy_cp = YY_G(yy_last_accepting_cpos);");

indent_puts("yy_cp = YY_G(yy_last_accepting_cpos);");

indent_puts ("yy_current_state = YY_G(yy_last_accepting_state);");

indent_puts("yy_current_state = YY_G(yy_last_accepting_state);");

indent_puts ("goto yy_find_action;");

indent_puts("goto yy_find_action;");

outc ('\n');

outc('\n');

set_indent (0);

set_indent(0);

}

/** mkctbl - make full speed compressed transition table

Line 201

Line 210

* @return the newly allocated trans table

static struct yytbl_data *mkctbl (void)

static struct yytbl_data *

mkctbl(void)

{

int i;

struct yytbl_data *tbl = 0;

flex_int32_t *tdata = 0, curr = 0;

int end_of_buffer_action = num_rules + 1;

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_TRANSITION, (void**)&yy_transition, sizeof(%s)},\n",

((tblend + numecs + 1) >= INT16_MAX

|| long_align) ? "flex_int32_t" : "flex_int16_t");

tbl = (struct yytbl_data *) calloc (1, sizeof (struct yytbl_data));

tbl = (struct yytbl_data *) calloc(1, sizeof(struct yytbl_data));

yytbl_data_init (tbl, YYTD_ID_TRANSITION);

yytbl_data_init(tbl, YYTD_ID_TRANSITION);

tbl->td_flags = YYTD_DATA32 | YYTD_STRUCT;

tbl->td_hilen = 0;

tbl->td_lolen = tblend + numecs + 1; /* number of structs */

tbl->td_data = tdata =

(flex_int32_t *) calloc (tbl->td_lolen * 2, sizeof (flex_int32_t));

(flex_int32_t *) calloc(tbl->td_lolen * 2, sizeof(flex_int32_t));

/* We want the transition to be represented as the offset to the

* next state, not the actual state number, which is what it currently

* We want the transition to be represented as the offset to the next

* is. The offset is base[nxt[i]] - (base of current state)]. That's

* state, not the actual state number, which is what it currently is.

* just the difference between the starting points of the two involved

* The offset is base[nxt[i]] - (base of current state)]. That's

* states (to - from).

* just the difference between the starting points of the two

* involved states (to - from).

* First, though, we need to find some way to put in our end-of-buffer

* flags and states. We do this by making a state with absolutely no

* transitions. We put it at the end of the table.

/* We need to have room in nxt/chk for two more slots: One for the

* We need to have room in nxt/chk for two more slots: One for the

* action and one for the end-of-buffer transition. We now *assume*

* that we're guaranteed the only character we'll try to index this

* nxt/chk pair with is EOB, i.e., 0, so we don't have to make sure

Line 241

Line 253

while (tblend + 2 >= current_max_xpairs)

expand_nxt_chk ();

expand_nxt_chk();

while (lastdfa + 1 >= current_max_dfas)

increase_max_dfas ();

increase_max_dfas();

base[lastdfa + 1] = tblend + 2;

nxt[tblend + 1] = end_of_buffer_action;

Line 254

Line 266

/* So that "make test" won't show arb. differences. */

nxt[tblend + 2] = 0;

/* Make sure every state has an end-of-buffer transition and an

* Make sure every state has an end-of-buffer transition and an

* action #.

for (i = 0; i <= lastdfa; ++i) {

int anum = dfaacc[i].dfaacc_state;

int offset = base[i];

chk[offset] = EOB_POSITION;

chk[offset - 1] = ACTION_POSITION;

Line 270

Line 283

if (chk[i] == EOB_POSITION) {

tdata[curr++] = 0;

tdata[curr++] = base[lastdfa + 1] - i;

}

} else if (chk[i] == ACTION_POSITION) {

else if (chk[i] == ACTION_POSITION) {

tdata[curr++] = 0;

tdata[curr++] = nxt[i];

}

} else if (chk[i] > numecs || chk[i] == 0) {

else if (chk[i] > numecs || chk[i] == 0) {

tdata[curr++] = 0;

}

} else { /* verify, transition */

else { /* verify, transition */

tdata[curr++] = chk[i];

tdata[curr++] = base[nxt[i]] - (i - chk[i]);

Line 303

Line 311

/** Make start_state_list table.

* @return the newly allocated start_state_list table

static struct yytbl_data *mkssltbl (void)

static struct yytbl_data *

mkssltbl(void)

{

struct yytbl_data *tbl = 0;

flex_int32_t *tdata = 0;

flex_int32_t i;

tbl = (struct yytbl_data *) calloc (1, sizeof (struct yytbl_data));

tbl = (struct yytbl_data *) calloc(1, sizeof(struct yytbl_data));

yytbl_data_init (tbl, YYTD_ID_START_STATE_LIST);

yytbl_data_init(tbl, YYTD_ID_START_STATE_LIST);

tbl->td_flags = YYTD_DATA32 | YYTD_PTRANS;

tbl->td_hilen = 0;

tbl->td_lolen = lastsc * 2 + 1;

tbl->td_data = tdata =

(flex_int32_t *) calloc (tbl->td_lolen, sizeof (flex_int32_t));

(flex_int32_t *) calloc(tbl->td_lolen, sizeof(flex_int32_t));

for (i = 0; i <= lastsc * 2; ++i)

tdata[i] = base[i];

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_START_STATE_LIST, (void**)&yy_start_state_list, sizeof(%s)},\n",

"struct yy_trans_info*");

return tbl;

}

Line 332

Line 341

/* genctbl - generates full speed compressed transition table */

void genctbl ()

void

genctbl()

{

int i;

int end_of_buffer_action = num_rules + 1;

/* Table of verify for transition and offset to next state. */

if (gentables)

out_dec ("static yyconst struct yy_trans_info yy_transition[%d] =\n {\n", tblend + numecs + 1);

out_dec("static yyconst struct yy_trans_info yy_transition[%d] =\n {\n", tblend + numecs + 1);

else

outn ("static yyconst struct yy_trans_info *yy_transition = 0;");

outn("static yyconst struct yy_trans_info *yy_transition = 0;");

/* We want the transition to be represented as the offset to the

* next state, not the actual state number, which is what it currently

* We want the transition to be represented as the offset to the next

* is. The offset is base[nxt[i]] - (base of current state)]. That's

* state, not the actual state number, which is what it currently is.

* just the difference between the starting points of the two involved

* The offset is base[nxt[i]] - (base of current state)]. That's

* states (to - from).

* just the difference between the starting points of the two

* involved states (to - from).

* First, though, we need to find some way to put in our end-of-buffer

* flags and states. We do this by making a state with absolutely no

* transitions. We put it at the end of the table.

/* We need to have room in nxt/chk for two more slots: One for the

* We need to have room in nxt/chk for two more slots: One for the

* action and one for the end-of-buffer transition. We now *assume*

* that we're guaranteed the only character we'll try to index this

* nxt/chk pair with is EOB, i.e., 0, so we don't have to make sure

Line 362

Line 374

while (tblend + 2 >= current_max_xpairs)

expand_nxt_chk ();

expand_nxt_chk();

while (lastdfa + 1 >= current_max_dfas)

increase_max_dfas ();

increase_max_dfas();

base[lastdfa + 1] = tblend + 2;

nxt[tblend + 1] = end_of_buffer_action;

Line 375

Line 387

/* So that "make test" won't show arb. differences. */

nxt[tblend + 2] = 0;

/* Make sure every state has an end-of-buffer transition and an

* Make sure every state has an end-of-buffer transition and an

* action #.

for (i = 0; i <= lastdfa; ++i) {

int anum = dfaacc[i].dfaacc_state;

int offset = base[i];

chk[offset] = EOB_POSITION;

chk[offset - 1] = ACTION_POSITION;

Line 389

Line 402

for (i = 0; i <= tblend; ++i) {

if (chk[i] == EOB_POSITION)

transition_struct_out (0, base[lastdfa + 1] - i);

transition_struct_out(0, base[lastdfa + 1] - i);

else if (chk[i] == ACTION_POSITION)

transition_struct_out (0, nxt[i]);

transition_struct_out(0, nxt[i]);

else if (chk[i] > numecs || chk[i] == 0)

transition_struct_out (0, 0); /* unused slot */

transition_struct_out(0, 0); /* unused slot */

else /* verify, transition */

transition_struct_out (chk[i],

transition_struct_out(chk[i],

base[nxt[i]] - (i -

chk[i]));

}

/* Here's the final, end-of-buffer state. */

transition_struct_out (chk[tblend + 1], nxt[tblend + 1]);

transition_struct_out(chk[tblend + 1], nxt[tblend + 1]);

transition_struct_out (chk[tblend + 2], nxt[tblend + 2]);

transition_struct_out(chk[tblend + 2], nxt[tblend + 2]);

if (gentables)

outn (" };\n");

outn(" };\n");

/* Table of pointers to start states. */

if (gentables)

out_dec ("static yyconst struct yy_trans_info *yy_start_state_list[%d] =\n", lastsc * 2 + 1);

out_dec("static yyconst struct yy_trans_info *yy_start_state_list[%d] =\n", lastsc * 2 + 1);

else

outn ("static yyconst struct yy_trans_info **yy_start_state_list =0;");

outn("static yyconst struct yy_trans_info **yy_start_state_list =0;");

if (gentables) {

outn (" {");

outn(" {");

for (i = 0; i <= lastsc * 2; ++i)

out_dec (" &yy_transition[%d],\n", base[i]);

out_dec(" &yy_transition[%d],\n", base[i]);

dataend ();

dataend();

}

if (useecs)

genecs ();

genecs();

}

/* mkecstbl - Make equivalence-class tables. */

struct yytbl_data *mkecstbl (void)

struct yytbl_data *

mkecstbl(void)

{

int i;

struct yytbl_data *tbl = 0;

flex_int32_t *tdata = 0;

tbl = (struct yytbl_data *) calloc (1, sizeof (struct yytbl_data));

tbl = (struct yytbl_data *) calloc(1, sizeof(struct yytbl_data));

yytbl_data_init (tbl, YYTD_ID_EC);

yytbl_data_init(tbl, YYTD_ID_EC);

tbl->td_flags |= YYTD_DATA32;

tbl->td_hilen = 0;

tbl->td_lolen = csize;

tbl->td_data = tdata =

(flex_int32_t *) calloc (tbl->td_lolen, sizeof (flex_int32_t));

(flex_int32_t *) calloc(tbl->td_lolen, sizeof(flex_int32_t));

for (i = 1; i < csize; ++i) {

ecgroup[i] = ABS (ecgroup[i]);

ecgroup[i] = ABS(ecgroup[i]);

tdata[i] = ecgroup[i];

}

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_EC, (void**)&yy_ec, sizeof(%s)},\n",

"flex_int32_t");

return tbl;

}

/* Generate equivalence-class tables. */

void genecs ()

void

genecs()

{

int i, j;

int numrows;

out_str_dec (get_int32_decl (), "yy_ec", csize);

out_str_dec(get_int32_decl(), "yy_ec", csize);

for (i = 1; i < csize; ++i) {

ecgroup[i] = ABS (ecgroup[i]);

ecgroup[i] = ABS(ecgroup[i]);

mkdata (ecgroup[i]);

mkdata(ecgroup[i]);

}

dataend ();

dataend();

if (trace) {

fputs (_("\n\nEquivalence Classes:\n\n"), stderr);

fputs(_("\n\nEquivalence Classes:\n\n"), stderr);

numrows = csize / 8;

for (j = 0; j < numrows; ++j) {

for (i = j; i < csize; i = i + numrows) {

fprintf (stderr, "%4s = %-2d",

fprintf(stderr, "%4s = %-2d",

readable_form (i), ecgroup[i]);

readable_form(i), ecgroup[i]);

putc (' ', stderr);

putc(' ', stderr);

}

putc ('\n', stderr);

putc('\n', stderr);

}

Line 497

Line 511

/* Generate the code to find the action number. */

void gen_find_action ()

void

gen_find_action()

{

if (fullspd)

indent_puts ("yy_act = yy_current_state[-1].yy_nxt;");

indent_puts("yy_act = yy_current_state[-1].yy_nxt;");

else if (fulltbl)

indent_puts ("yy_act = yy_accept[yy_current_state];");

indent_puts("yy_act = yy_accept[yy_current_state];");

else if (reject) {

indent_puts ("yy_current_state = *--YY_G(yy_state_ptr);");

indent_puts("yy_current_state = *--YY_G(yy_state_ptr);");

indent_puts ("YY_G(yy_lp) = yy_accept[yy_current_state];");

indent_puts("YY_G(yy_lp) = yy_accept[yy_current_state];");

outn ("find_rule: /* we branch to this label when backing up */");

outn("find_rule: /* we branch to this label when backing up */");

indent_puts

("for ( ; ; ) /* until we find what rule we matched */");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts

("if ( YY_G(yy_lp) && YY_G(yy_lp) < yy_accept[yy_current_state + 1] )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts ("yy_act = yy_acclist[YY_G(yy_lp)];");

indent_puts("yy_act = yy_acclist[YY_G(yy_lp)];");

if (variable_trailing_context_rules) {

indent_puts

("if ( yy_act & YY_TRAILING_HEAD_MASK ||");

indent_puts (" YY_G(yy_looking_for_trail_begin) )");

indent_puts(" YY_G(yy_looking_for_trail_begin) )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts

("if ( yy_act == YY_G(yy_looking_for_trail_begin) )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts ("YY_G(yy_looking_for_trail_begin) = 0;");

indent_puts("YY_G(yy_looking_for_trail_begin) = 0;");

indent_puts ("yy_act &= ~YY_TRAILING_HEAD_MASK;");

indent_puts("yy_act &= ~YY_TRAILING_HEAD_MASK;");

indent_puts ("break;");

indent_puts("break;");

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

indent_puts

("else if ( yy_act & YY_TRAILING_MASK )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts

("YY_G(yy_looking_for_trail_begin) = yy_act & ~YY_TRAILING_MASK;");

indent_puts

("YY_G(yy_looking_for_trail_begin) |= YY_TRAILING_HEAD_MASK;");

if (real_reject) {

/* Remember matched text in case we back up

* Remember matched text in case we back up

* due to REJECT.

indent_puts

("YY_G(yy_full_match) = yy_cp;");

indent_puts

("YY_G(yy_full_state) = YY_G(yy_state_ptr);");

indent_puts ("YY_G(yy_full_lp) = YY_G(yy_lp);");

indent_puts("YY_G(yy_full_lp) = YY_G(yy_lp);");

}

indent_puts("}");

indent_down();

indent_puts ("}");

indent_puts("else");

indent_down ();

indent_up();

indent_puts("{");

indent_puts ("else");

indent_puts("YY_G(yy_full_match) = yy_cp;");

indent_up ();

indent_puts ("{");

indent_puts ("YY_G(yy_full_match) = yy_cp;");

indent_puts

("YY_G(yy_full_state) = YY_G(yy_state_ptr);");

indent_puts ("YY_G(yy_full_lp) = YY_G(yy_lp);");

indent_puts("YY_G(yy_full_lp) = YY_G(yy_lp);");

indent_puts ("break;");

indent_puts("break;");

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

indent_puts ("++YY_G(yy_lp);");

indent_puts("++YY_G(yy_lp);");

indent_puts ("goto find_rule;");

indent_puts("goto find_rule;");

}

} else {

else {

* Remember matched text in case we back up due to

/* Remember matched text in case we back up due to

* trailing context plus REJECT.

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts ("YY_G(yy_full_match) = yy_cp;");

indent_puts("YY_G(yy_full_match) = yy_cp;");

indent_puts ("break;");

indent_puts("break;");

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

}

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

indent_puts ("--yy_cp;");

indent_puts("--yy_cp;");

/* We could consolidate the following two lines with those at

* We could consolidate the following two lines with those at

* the beginning, but at the cost of complaints that we're

* branching inside a loop.

indent_puts ("yy_current_state = *--YY_G(yy_state_ptr);");

indent_puts("yy_current_state = *--YY_G(yy_state_ptr);");

indent_puts ("YY_G(yy_lp) = yy_accept[yy_current_state];");

indent_puts("YY_G(yy_lp) = yy_accept[yy_current_state];");

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

}

} else { /* compressed */

indent_puts("yy_act = yy_accept[yy_current_state];");

else { /* compressed */

indent_puts ("yy_act = yy_accept[yy_current_state];");

if (interactive && !reject) {

/* Do the guaranteed-needed backing up to figure out

* Do the guaranteed-needed backing up to figure out

* the match.

indent_puts ("if ( yy_act == 0 )");

indent_puts("if ( yy_act == 0 )");

indent_up ();

indent_up();

indent_puts ("{ /* have to back up */");

indent_puts("{ /* have to back up */");

indent_puts

("yy_cp = YY_G(yy_last_accepting_cpos);");

indent_puts

("yy_current_state = YY_G(yy_last_accepting_state);");

indent_puts

("yy_act = yy_accept[yy_current_state];");

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

}

Line 637

Line 651

* you should call mkecstbl() after this.

struct yytbl_data *mkftbl (void)

struct yytbl_data *

mkftbl(void)

{

int i;

int end_of_buffer_action = num_rules + 1;

struct yytbl_data *tbl;

flex_int32_t *tdata = 0;

tbl = (struct yytbl_data *) calloc (1, sizeof (struct yytbl_data));

tbl = (struct yytbl_data *) calloc(1, sizeof(struct yytbl_data));

yytbl_data_init (tbl, YYTD_ID_ACCEPT);

yytbl_data_init(tbl, YYTD_ID_ACCEPT);

tbl->td_flags |= YYTD_DATA32;

tbl->td_hilen = 0; /* it's a one-dimensional array */

tbl->td_lolen = lastdfa + 1;

tbl->td_data = tdata =

(flex_int32_t *) calloc (tbl->td_lolen, sizeof (flex_int32_t));

(flex_int32_t *) calloc(tbl->td_lolen, sizeof(flex_int32_t));

dfaacc[end_of_buffer_state].dfaacc_state = end_of_buffer_action;

Line 661

Line 676

tdata[i] = anum;

if (trace && anum)

fprintf (stderr, _("state # %d accepts: [%d]\n"),

fprintf(stderr, _("state # %d accepts: [%d]\n"),

i, anum);

}

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_ACCEPT, (void**)&yy_accept, sizeof(%s)},\n",

long_align ? "flex_int32_t" : "flex_int16_t");

return tbl;

}

/* genftbl - generate full transition table */

void genftbl ()

void

genftbl()

{

int i;

int end_of_buffer_action = num_rules + 1;

out_str_dec (long_align ? get_int32_decl () : get_int16_decl (),

out_str_dec(long_align ? get_int32_decl() : get_int16_decl(),

"yy_accept", lastdfa + 1);

dfaacc[end_of_buffer_state].dfaacc_state = end_of_buffer_action;

for (i = 1; i <= lastdfa; ++i) {

int anum = dfaacc[i].dfaacc_state;

mkdata (anum);

mkdata(anum);

if (trace && anum)

fprintf (stderr, _("state # %d accepts: [%d]\n"),

fprintf(stderr, _("state # %d accepts: [%d]\n"),

i, anum);

}

dataend ();

dataend();

if (useecs)

genecs ();

genecs();

/* Don't have to dump the actual full table entries - they were

* Don't have to dump the actual full table entries - they were

* created on-the-fly.

}

Line 707

Line 724

/* Generate the code to find the next compressed-table state. */

void gen_next_compressed_state (char_map)

void

char *char_map;

gen_next_compressed_state(char_map)

char *char_map;

{

indent_put2s ("YY_CHAR yy_c = %s;", char_map);

indent_put2s("YY_CHAR yy_c = %s;", char_map);

/* Save the backing-up info \before/ computing the next state

* because we always compute one more state than needed - we

* Save the backing-up info \before/ computing the next state because

* always proceed until we reach a jam state

* we always compute one more state than needed - we always proceed

* until we reach a jam state

gen_backing_up ();

gen_backing_up();

indent_puts

("while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts ("yy_current_state = (int) yy_def[yy_current_state];");

indent_puts("yy_current_state = (int) yy_def[yy_current_state];");

if (usemecs) {

/* We've arrange it so that templates are never chained

* to one another. This means we can afford to make a

* We've arrange it so that templates are never chained to

* very simple test to see if we need to convert to

* one another. This means we can afford to make a very

* yy_c's meta-equivalence class without worrying

* simple test to see if we need to convert to yy_c's

* about erroneously looking up the meta-equivalence

* meta-equivalence class without worrying about erroneously

* class twice

* looking up the meta-equivalence class twice

do_indent ();

do_indent();

/* lastdfa + 2 is the beginning of the templates */

out_dec ("if ( yy_current_state >= %d )\n", lastdfa + 2);

out_dec("if ( yy_current_state >= %d )\n", lastdfa + 2);

indent_up ();

indent_up();

indent_puts ("yy_c = yy_meta[(unsigned int) yy_c];");

indent_puts("yy_c = yy_meta[(unsigned int) yy_c];");

indent_down ();

indent_down();

}

indent_puts("}");

indent_down();

indent_puts ("}");

indent_down ();

indent_puts

("yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];");

}

/* Generate the code to find the next match. */

void gen_next_match ()

void

gen_next_match()

{

/* NOTE - changes in here should be reflected in gen_next_state() and

* NOTE - changes in here should be reflected in gen_next_state() and

* gen_NUL_trans().

char *char_map = useecs ?

"yy_ec[YY_SC_TO_UI(*yy_cp)] " : "YY_SC_TO_UI(*yy_cp)";

char *char_map_2 = useecs ?

"yy_ec[YY_SC_TO_UI(*++yy_cp)] " : "YY_SC_TO_UI(*++yy_cp)";

if (fulltbl) {

if (gentables)

indent_put2s

("while ( (yy_current_state = yy_nxt[yy_current_state][ %s ]) > 0 )",

char_map);

else

indent_put2s

("while ( (yy_current_state = yy_nxt[yy_current_state*YY_NXT_LOLEN + %s ]) > 0 )",

char_map);

indent_up ();

indent_up();

if (num_backing_up > 0) {

indent_puts ("{");

indent_puts("{");

gen_backing_up ();

gen_backing_up();

outc ('\n');

outc('\n');

}

indent_puts("++yy_cp;");

indent_puts ("++yy_cp;");

if (num_backing_up > 0)

indent_puts("}");

indent_puts ("}");

indent_down();

indent_down ();

outc('\n');

indent_puts("yy_current_state = -yy_current_state;");

outc ('\n');

} else if (fullspd) {

indent_puts ("yy_current_state = -yy_current_state;");

indent_puts("{");

}

else if (fullspd) {

indent_puts ("{");

indent_puts

("yyconst struct yy_trans_info *yy_trans_info;\n");

indent_puts ("YY_CHAR yy_c;\n");

indent_puts("YY_CHAR yy_c;\n");

indent_put2s ("for ( yy_c = %s;", char_map);

indent_put2s("for ( yy_c = %s;", char_map);

indent_puts

(" (yy_trans_info = &yy_current_state[(unsigned int) yy_c])->");

indent_puts ("yy_verify == yy_c;");

indent_puts("yy_verify == yy_c;");

indent_put2s (" yy_c = %s )", char_map_2);

indent_put2s(" yy_c = %s )", char_map_2);

indent_up ();

indent_up();

if (num_backing_up > 0)

indent_puts ("{");

indent_puts("{");

indent_puts ("yy_current_state += yy_trans_info->yy_nxt;");

indent_puts("yy_current_state += yy_trans_info->yy_nxt;");

if (num_backing_up > 0) {

outc ('\n');

outc('\n');

gen_backing_up ();

gen_backing_up();

indent_puts ("}");

indent_puts("}");

}

indent_down();

indent_puts("}");

} else { /* compressed */

indent_puts("do");

indent_down ();

indent_up();

indent_puts ("}");

indent_puts("{");

}

else { /* compressed */

gen_next_state(false);

indent_puts ("do");

indent_up ();

indent_puts("++yy_cp;");

indent_puts ("{");

gen_next_state (false);

indent_puts ("++yy_cp;");

indent_puts("}");

indent_down();

do_indent();

indent_puts ("}");

indent_down ();

do_indent ();

if (interactive)

out_dec ("while ( yy_base[yy_current_state] != %d );\n", jambase);

out_dec("while ( yy_base[yy_current_state] != %d );\n", jambase);

else

out_dec ("while ( yy_current_state != %d );\n",

out_dec("while ( yy_current_state != %d );\n",

jamstate);

if (!reject && !interactive) {

/* Do the guaranteed-needed backing up to figure out

* Do the guaranteed-needed backing up to figure out

* the match.

indent_puts

("yy_cp = YY_G(yy_last_accepting_cpos);");

indent_puts

("yy_current_state = YY_G(yy_last_accepting_state);");

}

Line 858

Line 872

/* Generate the code to find the next state. */

void gen_next_state (worry_about_NULs)

void

int worry_about_NULs;

gen_next_state(worry_about_NULs)

{ /* NOTE - changes in here should be reflected in gen_next_match() */

int worry_about_NULs;

char char_map[256];

{ /* NOTE - changes in here should be reflected

* in gen_next_match() */

char char_map[256];

if (worry_about_NULs && !nultrans) {

if (useecs)

snprintf (char_map, sizeof(char_map),

snprintf(char_map, sizeof(char_map),

"(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : %d)",

NUL_ec);

else

snprintf (char_map, sizeof(char_map),

snprintf(char_map, sizeof(char_map),

"(*yy_cp ? YY_SC_TO_UI(*yy_cp) : %d)",

NUL_ec);

}

} else

strlcpy(char_map, useecs ?

"yy_ec[YY_SC_TO_UI(*yy_cp)] " : "YY_SC_TO_UI(*yy_cp)",

sizeof char_map);

else

strlcpy (char_map, useecs ?

"yy_ec[YY_SC_TO_UI(*yy_cp)] " : "YY_SC_TO_UI(*yy_cp)",

sizeof char_map );

if (worry_about_NULs && nultrans) {

if (!fulltbl && !fullspd)

/* Compressed tables back up *before* they match. */

gen_backing_up ();

gen_backing_up();

indent_puts ("if ( *yy_cp )");

indent_puts("if ( *yy_cp )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

}

if (fulltbl) {

if (gentables)

indent_put2s

("yy_current_state = yy_nxt[yy_current_state][%s];",

char_map);

else

indent_put2s

("yy_current_state = yy_nxt[yy_current_state*YY_NXT_LOLEN + %s];",

char_map);

}

} else if (fullspd)

else if (fullspd)

indent_put2s

("yy_current_state += yy_current_state[%s].yy_nxt;",

char_map);

else

gen_next_compressed_state (char_map);

gen_next_compressed_state(char_map);

if (worry_about_NULs && nultrans) {

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

indent_puts ("else");

indent_puts("else");

indent_up ();

indent_up();

indent_puts

("yy_current_state = yy_NUL_trans[yy_current_state];");

indent_down ();

indent_down();

}

if (fullspd || fulltbl)

gen_backing_up ();

gen_backing_up();

if (reject)

indent_puts ("*YY_G(yy_state_ptr)++ = yy_current_state;");

indent_puts("*YY_G(yy_state_ptr)++ = yy_current_state;");

}

/* Generate the code to make a NUL transition. */

void gen_NUL_trans ()

void

{ /* NOTE - changes in here should be reflected in gen_next_match() */

gen_NUL_trans()

/* Only generate a definition for "yy_cp" if we'll generate code

{ /* NOTE - changes in here should be reflected

* that uses it. Otherwise lint and the like complain.

* in gen_next_match() */

* Only generate a definition for "yy_cp" if we'll generate code that

* uses it. Otherwise lint and the like complain.

int need_backing_up = (num_backing_up > 0 && !reject);

if (need_backing_up && (!nultrans || fullspd || fulltbl))

/* We're going to need yy_cp lying around for the call

* below to gen_backing_up().

* We're going to need yy_cp lying around for the call below

* to gen_backing_up().

indent_puts ("char *yy_cp = YY_G(yy_c_buf_p);");

indent_puts("char *yy_cp = YY_G(yy_c_buf_p);");

outc ('\n');

outc('\n');

if (nultrans) {

indent_puts

("yy_current_state = yy_NUL_trans[yy_current_state];");

indent_puts ("yy_is_jam = (yy_current_state == 0);");

indent_puts("yy_is_jam = (yy_current_state == 0);");

}

} else if (fulltbl) {

do_indent();

else if (fulltbl) {

do_indent ();

if (gentables)

out_dec ("yy_current_state = yy_nxt[yy_current_state][%d];\n", NUL_ec);

out_dec("yy_current_state = yy_nxt[yy_current_state][%d];\n", NUL_ec);

else

out_dec ("yy_current_state = yy_nxt[yy_current_state*YY_NXT_LOLEN + %d];\n", NUL_ec);

out_dec("yy_current_state = yy_nxt[yy_current_state*YY_NXT_LOLEN + %d];\n", NUL_ec);

indent_puts ("yy_is_jam = (yy_current_state <= 0);");

indent_puts("yy_is_jam = (yy_current_state <= 0);");

}

} else if (fullspd) {

do_indent();

out_dec("int yy_c = %d;\n", NUL_ec);

else if (fullspd) {

do_indent ();

out_dec ("int yy_c = %d;\n", NUL_ec);

indent_puts

("yyconst struct yy_trans_info *yy_trans_info;\n");

indent_puts

("yy_trans_info = &yy_current_state[(unsigned int) yy_c];");

indent_puts ("yy_current_state += yy_trans_info->yy_nxt;");

indent_puts("yy_current_state += yy_trans_info->yy_nxt;");

indent_puts

("yy_is_jam = (yy_trans_info->yy_verify != yy_c);");

}

} else {

char NUL_ec_str[20];

else {

snprintf(NUL_ec_str, sizeof(NUL_ec_str), "%d", NUL_ec);

char NUL_ec_str[20];

gen_next_compressed_state(NUL_ec_str);

snprintf (NUL_ec_str, sizeof(NUL_ec_str), "%d", NUL_ec);

do_indent();

gen_next_compressed_state (NUL_ec_str);

out_dec("yy_is_jam = (yy_current_state == %d);\n",

jamstate);

do_indent ();

out_dec ("yy_is_jam = (yy_current_state == %d);\n",

jamstate);

if (reject) {

/* Only stack this state if it's a transition we

* actually make. If we stack it on a jam, then

* Only stack this state if it's a transition we

* the state stack and yy_c_buf_p get out of sync.

* actually make. If we stack it on a jam, then the

* state stack and yy_c_buf_p get out of sync.

indent_puts ("if ( ! yy_is_jam )");

indent_puts("if ( ! yy_is_jam )");

indent_up ();

indent_up();

indent_puts

("*YY_G(yy_state_ptr)++ = yy_current_state;");

indent_down ();

indent_down();

}

/* If we've entered an accepting state, back up; note that

* compressed tables have *already* done such backing up, so

* If we've entered an accepting state, back up; note that compressed

* we needn't bother with it again.

* tables have *already* done such backing up, so we needn't bother

* with it again.

if (need_backing_up && (fullspd || fulltbl)) {

outc ('\n');

outc('\n');

indent_puts ("if ( ! yy_is_jam )");

indent_puts("if ( ! yy_is_jam )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

gen_backing_up ();

gen_backing_up();

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

}

/* Generate the code to find the start state. */

void gen_start_state ()

void

gen_start_state()

{

if (fullspd) {

if (bol_needed) {

indent_puts

("yy_current_state = yy_start_state_list[YY_G(yy_start) + YY_AT_BOL()];");

}

} else

else

indent_puts

("yy_current_state = yy_start_state_list[YY_G(yy_start)];");

}

} else {

indent_puts("yy_current_state = YY_G(yy_start);");

else {

indent_puts ("yy_current_state = YY_G(yy_start);");

if (bol_needed)

indent_puts ("yy_current_state += YY_AT_BOL();");

indent_puts("yy_current_state += YY_AT_BOL();");

if (reject) {

/* Set up for storing up states. */

outn ("m4_ifdef( [[M4_YY_USES_REJECT]],\n[[");

outn("m4_ifdef( [[M4_YY_USES_REJECT]],\n[[");

indent_puts

("YY_G(yy_state_ptr) = YY_G(yy_state_buf);");

indent_puts

("*YY_G(yy_state_ptr)++ = yy_current_state;");

outn ("]])");

outn("]])");

}

Line 1047

Line 1055

/* gentabs - generate data statements for the transition tables */

void gentabs ()

void

gentabs()

{

int i, j, k, *accset, nacc, *acc_array, total_states;

int end_of_buffer_action = num_rules + 1;

struct yytbl_data *yyacc_tbl = 0, *yymeta_tbl = 0, *yybase_tbl = 0,

struct yytbl_data *yyacc_tbl = 0, *yymeta_tbl = 0, *yybase_tbl = 0, *yydef_tbl = 0,

*yydef_tbl = 0, *yynxt_tbl = 0, *yychk_tbl = 0, *yyacclist_tbl=0;

*yynxt_tbl = 0, *yychk_tbl = 0, *yyacclist_tbl = 0;

flex_int32_t *yyacc_data = 0, *yybase_data = 0, *yydef_data = 0,

flex_int32_t *yyacc_data = 0, *yybase_data = 0, *yydef_data = 0, *yynxt_data = 0,

*yynxt_data = 0, *yychk_data = 0, *yyacclist_data=0;

*yychk_data = 0, *yyacclist_data = 0;

flex_int32_t yybase_curr = 0, yyacclist_curr=0,yyacc_curr=0;

flex_int32_t yybase_curr = 0, yyacclist_curr = 0, yyacc_curr = 0;

acc_array = allocate_integer_array (current_max_dfas);

acc_array = allocate_integer_array(current_max_dfas);

nummt = 0;

/* The compressed table format jams by entering the "jam state",

* losing information about the previous state in the process.

* The compressed table format jams by entering the "jam state",

* In order to recover the previous state, we effectively need

* losing information about the previous state in the process. In

* to keep backing-up information.

* order to recover the previous state, we effectively need to keep

* backing-up information.

++num_backing_up;

if (reject) {

/* Write out accepting list and pointer list.

* Write out accepting list and pointer list.

* First we generate the "yy_acclist" array. In the process,

* we compute the indices that will go into the "yy_accept"

* First we generate the "yy_acclist" array. In the process, we

* compute the indices that will go into the "yy_accept"

* array, and save the indices in the dfaacc array.

int EOB_accepting_list[2];

/* Set up accepting structures for the End Of Buffer state. */

EOB_accepting_list[0] = 0;

EOB_accepting_list[1] = end_of_buffer_action;

accsiz[end_of_buffer_state] = 1;

dfaacc[end_of_buffer_state].dfaacc_set =

EOB_accepting_list;

out_str_dec (long_align ? get_int32_decl () :

out_str_dec(long_align ? get_int32_decl() :

get_int16_decl (), "yy_acclist", MAX (numas,

get_int16_decl(), "yy_acclist", MAX(numas,

1) + 1);

buf_prints (&yydmap_buf,

"\t{YYTD_ID_ACCLIST, (void**)&yy_acclist, sizeof(%s)},\n",

long_align ? "flex_int32_t" : "flex_int16_t");

yyacclist_tbl = (struct yytbl_data*)calloc(1,sizeof(struct yytbl_data));

buf_prints(&yydmap_buf,

yytbl_data_init (yyacclist_tbl, YYTD_ID_ACCLIST);

"\t{YYTD_ID_ACCLIST, (void**)&yy_acclist, sizeof(%s)},\n",

yyacclist_tbl->td_lolen = MAX(numas,1) + 1;

long_align ? "flex_int32_t" : "flex_int16_t");

yyacclist_tbl->td_data = yyacclist_data =

(flex_int32_t *) calloc (yyacclist_tbl->td_lolen, sizeof (flex_int32_t));

yyacclist_curr = 1;

yyacclist_tbl = (struct yytbl_data *) calloc(1, sizeof(struct yytbl_data));

yytbl_data_init(yyacclist_tbl, YYTD_ID_ACCLIST);

yyacclist_tbl->td_lolen = MAX(numas, 1) + 1;

yyacclist_tbl->td_data = yyacclist_data =

(flex_int32_t *) calloc(yyacclist_tbl->td_lolen, sizeof(flex_int32_t));

yyacclist_curr = 1;

j = 1; /* index into "yy_acclist" array */

for (i = 1; i <= lastdfa; ++i) {

Line 1108

Line 1119

nacc = accsiz[i];

if (trace)

fprintf (stderr,

fprintf(stderr,

_("state # %d accepts: "),

i);

for (k = 1; k <= nacc; ++k) {

int accnum = accset[k];

++j;

if (variable_trailing_context_rules

&& !(accnum &

YY_TRAILING_HEAD_MASK)

&& accnum > 0

&& accnum <= num_rules

&& rule_type[accnum] ==

RULE_VARIABLE) {

/* Special hack to flag

* Special hack to flag

* accepting number as part

* of trailing context rule.

accnum |= YY_TRAILING_MASK;

}

mkdata(accnum);

yyacclist_data[yyacclist_curr++] = accnum;

mkdata (accnum);

yyacclist_data[yyacclist_curr++] = accnum;

if (trace) {

fprintf (stderr, "[%d]",

fprintf(stderr, "[%d]",

accset[k]);

if (k < nacc)

fputs (", ",

fputs(", ",

stderr);

else

putc ('\n',

putc('\n',

stderr);

}

Line 1152

Line 1163

/* add accepting number for the "jam" state */

acc_array[i] = j;

dataend ();

dataend();

if (tablesext) {

yytbl_data_compress (yyacclist_tbl);

yytbl_data_compress(yyacclist_tbl);

if (yytbl_data_fwrite (&tableswr, yyacclist_tbl) < 0)

if (yytbl_data_fwrite(&tableswr, yyacclist_tbl) < 0)

flexerror (_("Could not write yyacclist_tbl"));

flexerror(_("Could not write yyacclist_tbl"));

yytbl_data_destroy (yyacclist_tbl);

yytbl_data_destroy(yyacclist_tbl);

yyacclist_tbl = NULL;

}

} else {

else {

dfaacc[end_of_buffer_state].dfaacc_state =

end_of_buffer_action;

for (i = 1; i <= lastdfa; ++i)

acc_array[i] = dfaacc[i].dfaacc_state;

Line 1175

Line 1184

/* Begin generating yy_accept */

/* Spit out "yy_accept" array. If we're doing "reject", it'll be

* Spit out "yy_accept" array. If we're doing "reject", it'll be

* pointers into the "yy_acclist" array. Otherwise it's actual

* accepting numbers. In either case, we just dump the numbers.

/* "lastdfa + 2" is the size of "yy_accept"; includes room for C arrays

* beginning at 0 and for "jam" state.

* "lastdfa + 2" is the size of "yy_accept"; includes room for C

* arrays beginning at 0 and for "jam" state.

k = lastdfa + 2;

if (reject)

/* We put a "cap" on the table associating lists of accepting

* numbers with state numbers. This is needed because we tell

* We put a "cap" on the table associating lists of accepting

* where the end of an accepting list is by looking at where

* numbers with state numbers. This is needed because we

* the list for the next state starts.

* tell where the end of an accepting list is by looking at

* where the list for the next state starts.

++k;

out_str_dec (long_align ? get_int32_decl () : get_int16_decl (),

out_str_dec(long_align ? get_int32_decl() : get_int16_decl(),

"yy_accept", k);

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_ACCEPT, (void**)&yy_accept, sizeof(%s)},\n",

long_align ? "flex_int32_t" : "flex_int16_t");

yyacc_tbl =

(struct yytbl_data *) calloc (1,

(struct yytbl_data *) calloc(1,

sizeof (struct yytbl_data));

sizeof(struct yytbl_data));

yytbl_data_init (yyacc_tbl, YYTD_ID_ACCEPT);

yytbl_data_init(yyacc_tbl, YYTD_ID_ACCEPT);

yyacc_tbl->td_lolen = k;

yyacc_tbl->td_data = yyacc_data =

(flex_int32_t *) calloc (yyacc_tbl->td_lolen, sizeof (flex_int32_t));

(flex_int32_t *) calloc(yyacc_tbl->td_lolen, sizeof(flex_int32_t));

yyacc_curr=1;

yyacc_curr = 1;

for (i = 1; i <= lastdfa; ++i) {

mkdata (acc_array[i]);

mkdata(acc_array[i]);

yyacc_data[yyacc_curr++] = acc_array[i];

if (!reject && trace && acc_array[i])

fprintf (stderr, _("state # %d accepts: [%d]\n"),

fprintf(stderr, _("state # %d accepts: [%d]\n"),

i, acc_array[i]);

}

/* Add entry for "jam" state. */

mkdata (acc_array[i]);

mkdata(acc_array[i]);

yyacc_data[yyacc_curr++] = acc_array[i];

if (reject) {

/* Add "cap" for the list. */

mkdata (acc_array[i]);

mkdata(acc_array[i]);

yyacc_data[yyacc_curr++] = acc_array[i];

}

dataend();

dataend ();

if (tablesext) {

yytbl_data_compress (yyacc_tbl);

yytbl_data_compress(yyacc_tbl);

if (yytbl_data_fwrite (&tableswr, yyacc_tbl) < 0)

if (yytbl_data_fwrite(&tableswr, yyacc_tbl) < 0)

flexerror (_("Could not write yyacc_tbl"));

flexerror(_("Could not write yyacc_tbl"));

yytbl_data_destroy (yyacc_tbl);

yytbl_data_destroy(yyacc_tbl);

yyacc_tbl = NULL;

}

/* End generating yy_accept */

if (useecs) {

genecs ();

genecs();

if (tablesext) {

struct yytbl_data *tbl;

tbl = mkecstbl ();

tbl = mkecstbl();

yytbl_data_compress (tbl);

yytbl_data_compress(tbl);

if (yytbl_data_fwrite (&tableswr, tbl) < 0)

if (yytbl_data_fwrite(&tableswr, tbl) < 0)

flexerror (_("Could not write ecstbl"));

flexerror(_("Could not write ecstbl"));

yytbl_data_destroy (tbl);

yytbl_data_destroy(tbl);

tbl = 0;

}

if (usemecs) {

/* Begin generating yy_meta */

/* Write out meta-equivalence classes (used to index

* Write out meta-equivalence classes (used to index

* templates with).

flex_int32_t *yymecs_data = 0;

yymeta_tbl =

(struct yytbl_data *) calloc (1,

(struct yytbl_data *) calloc(1,

sizeof (struct

sizeof(struct

yytbl_data));

yytbl_data_init (yymeta_tbl, YYTD_ID_META);

yytbl_data_init(yymeta_tbl, YYTD_ID_META);

yymeta_tbl->td_lolen = numecs + 1;

yymeta_tbl->td_data = yymecs_data =

(flex_int32_t *) calloc (yymeta_tbl->td_lolen,

(flex_int32_t *) calloc(yymeta_tbl->td_lolen,

sizeof (flex_int32_t));

sizeof(flex_int32_t));

if (trace)

fputs (_("\n\nMeta-Equivalence Classes:\n"),

fputs(_("\n\nMeta-Equivalence Classes:\n"),

stderr);

out_str_dec (get_int32_decl (), "yy_meta", numecs + 1);

out_str_dec(get_int32_decl(), "yy_meta", numecs + 1);

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_META, (void**)&yy_meta, sizeof(%s)},\n",

"flex_int32_t");

for (i = 1; i <= numecs; ++i) {

if (trace)

fprintf (stderr, "%d = %d\n",

fprintf(stderr, "%d = %d\n",

i, ABS (tecbck[i]));

i, ABS(tecbck[i]));

mkdata (ABS (tecbck[i]));

mkdata(ABS(tecbck[i]));

yymecs_data[i] = ABS (tecbck[i]);

yymecs_data[i] = ABS(tecbck[i]);

}

dataend ();

dataend();

if (tablesext) {

yytbl_data_compress (yymeta_tbl);

yytbl_data_compress(yymeta_tbl);

if (yytbl_data_fwrite (&tableswr, yymeta_tbl) < 0)

if (yytbl_data_fwrite(&tableswr, yymeta_tbl) < 0)

flexerror (_

flexerror(_

("Could not write yymeta_tbl"));

yytbl_data_destroy (yymeta_tbl);

yytbl_data_destroy(yymeta_tbl);

yymeta_tbl = NULL;

}

/* End generating yy_meta */

}

total_states = lastdfa + numtemps;

/* Begin generating yy_base */

out_str_dec ((tblend >= INT16_MAX || long_align) ?

out_str_dec((tblend >= INT16_MAX || long_align) ?

get_int32_decl () : get_int16_decl (),

get_int32_decl() : get_int16_decl(),

"yy_base", total_states + 1);

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_BASE, (void**)&yy_base, sizeof(%s)},\n",

(tblend >= INT16_MAX

|| long_align) ? "flex_int32_t" : "flex_int16_t");

yybase_tbl =

(struct yytbl_data *) calloc (1,

(struct yytbl_data *) calloc(1,

sizeof (struct yytbl_data));

sizeof(struct yytbl_data));

yytbl_data_init (yybase_tbl, YYTD_ID_BASE);

yytbl_data_init(yybase_tbl, YYTD_ID_BASE);

yybase_tbl->td_lolen = total_states + 1;

yybase_tbl->td_data = yybase_data =

(flex_int32_t *) calloc (yybase_tbl->td_lolen,

(flex_int32_t *) calloc(yybase_tbl->td_lolen,

sizeof (flex_int32_t));

sizeof(flex_int32_t));

yybase_curr = 1;

for (i = 1; i <= lastdfa; ++i) {

Line 1334

Line 1344

++tmpuses;

def[i] = lastdfa - d + 1;

}

mkdata(base[i]);

mkdata (base[i]);

yybase_data[yybase_curr++] = base[i];

}

/* Generate jam state's base index. */

mkdata (base[i]);

mkdata(base[i]);

yybase_data[yybase_curr++] = base[i];

for (++i /* skip jam state */ ; i <= total_states; ++i) {

mkdata (base[i]);

mkdata(base[i]);

yybase_data[yybase_curr++] = base[i];

def[i] = jamstate;

}

dataend ();

dataend();

if (tablesext) {

yytbl_data_compress (yybase_tbl);

yytbl_data_compress(yybase_tbl);

if (yytbl_data_fwrite (&tableswr, yybase_tbl) < 0)

if (yytbl_data_fwrite(&tableswr, yybase_tbl) < 0)

flexerror (_("Could not write yybase_tbl"));

flexerror(_("Could not write yybase_tbl"));

yytbl_data_destroy (yybase_tbl);

yytbl_data_destroy(yybase_tbl);

yybase_tbl = NULL;

}

/* End generating yy_base */

/* Begin generating yy_def */

out_str_dec ((total_states >= INT16_MAX || long_align) ?

out_str_dec((total_states >= INT16_MAX || long_align) ?

get_int32_decl () : get_int16_decl (),

get_int32_decl() : get_int16_decl(),

"yy_def", total_states + 1);

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_DEF, (void**)&yy_def, sizeof(%s)},\n",

(total_states >= INT16_MAX

|| long_align) ? "flex_int32_t" : "flex_int16_t");

yydef_tbl =

(struct yytbl_data *) calloc (1,

(struct yytbl_data *) calloc(1,

sizeof (struct yytbl_data));

sizeof(struct yytbl_data));

yytbl_data_init (yydef_tbl, YYTD_ID_DEF);

yytbl_data_init(yydef_tbl, YYTD_ID_DEF);

yydef_tbl->td_lolen = total_states + 1;

yydef_tbl->td_data = yydef_data =

(flex_int32_t *) calloc (yydef_tbl->td_lolen, sizeof (flex_int32_t));

(flex_int32_t *) calloc(yydef_tbl->td_lolen, sizeof(flex_int32_t));

for (i = 1; i <= total_states; ++i) {

mkdata (def[i]);

mkdata(def[i]);

yydef_data[i] = def[i];

}

dataend ();

dataend();

if (tablesext) {

yytbl_data_compress (yydef_tbl);

yytbl_data_compress(yydef_tbl);

if (yytbl_data_fwrite (&tableswr, yydef_tbl) < 0)

if (yytbl_data_fwrite(&tableswr, yydef_tbl) < 0)

flexerror (_("Could not write yydef_tbl"));

flexerror(_("Could not write yydef_tbl"));

yytbl_data_destroy (yydef_tbl);

yytbl_data_destroy(yydef_tbl);

yydef_tbl = NULL;

}

/* End generating yy_def */

/* Begin generating yy_nxt */

out_str_dec ((total_states >= INT16_MAX || long_align) ?

out_str_dec((total_states >= INT16_MAX || long_align) ?

get_int32_decl () : get_int16_decl (), "yy_nxt",

get_int32_decl() : get_int16_decl(), "yy_nxt",

tblend + 1);

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_NXT, (void**)&yy_nxt, sizeof(%s)},\n",

(total_states >= INT16_MAX

|| long_align) ? "flex_int32_t" : "flex_int16_t");

yynxt_tbl =

(struct yytbl_data *) calloc (1,

(struct yytbl_data *) calloc(1,

sizeof (struct yytbl_data));

sizeof(struct yytbl_data));

yytbl_data_init (yynxt_tbl, YYTD_ID_NXT);

yytbl_data_init(yynxt_tbl, YYTD_ID_NXT);

yynxt_tbl->td_lolen = tblend + 1;

yynxt_tbl->td_data = yynxt_data =

(flex_int32_t *) calloc (yynxt_tbl->td_lolen, sizeof (flex_int32_t));

(flex_int32_t *) calloc(yynxt_tbl->td_lolen, sizeof(flex_int32_t));

for (i = 1; i <= tblend; ++i) {

/* Note, the order of the following test is important.

* If chk[i] is 0, then nxt[i] is undefined.

* Note, the order of the following test is important. If

* chk[i] is 0, then nxt[i] is undefined.

if (chk[i] == 0 || nxt[i] == 0)

nxt[i] = jamstate; /* new state is the JAM state */

mkdata (nxt[i]);

mkdata(nxt[i]);

yynxt_data[i] = nxt[i];

}

dataend ();

dataend();

if (tablesext) {

yytbl_data_compress (yynxt_tbl);

yytbl_data_compress(yynxt_tbl);

if (yytbl_data_fwrite (&tableswr, yynxt_tbl) < 0)

if (yytbl_data_fwrite(&tableswr, yynxt_tbl) < 0)

flexerror (_("Could not write yynxt_tbl"));

flexerror(_("Could not write yynxt_tbl"));

yytbl_data_destroy (yynxt_tbl);

yytbl_data_destroy(yynxt_tbl);

yynxt_tbl = NULL;

}

/* End generating yy_nxt */

/* Begin generating yy_chk */

out_str_dec ((total_states >= INT16_MAX || long_align) ?

out_str_dec((total_states >= INT16_MAX || long_align) ?

get_int32_decl () : get_int16_decl (), "yy_chk",

get_int32_decl() : get_int16_decl(), "yy_chk",

tblend + 1);

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_CHK, (void**)&yy_chk, sizeof(%s)},\n",

(total_states >= INT16_MAX

|| long_align) ? "flex_int32_t" : "flex_int16_t");

yychk_tbl =

(struct yytbl_data *) calloc (1,

(struct yytbl_data *) calloc(1,

sizeof (struct yytbl_data));

sizeof(struct yytbl_data));

yytbl_data_init (yychk_tbl, YYTD_ID_CHK);

yytbl_data_init(yychk_tbl, YYTD_ID_CHK);

yychk_tbl->td_lolen = tblend + 1;

yychk_tbl->td_data = yychk_data =

(flex_int32_t *) calloc (yychk_tbl->td_lolen, sizeof (flex_int32_t));

(flex_int32_t *) calloc(yychk_tbl->td_lolen, sizeof(flex_int32_t));

for (i = 1; i <= tblend; ++i) {

if (chk[i] == 0)

++nummt;

mkdata (chk[i]);

mkdata(chk[i]);

yychk_data[i] = chk[i];

}

dataend ();

dataend();

if (tablesext) {

yytbl_data_compress (yychk_tbl);

yytbl_data_compress(yychk_tbl);

if (yytbl_data_fwrite (&tableswr, yychk_tbl) < 0)

if (yytbl_data_fwrite(&tableswr, yychk_tbl) < 0)

flexerror (_("Could not write yychk_tbl"));

flexerror(_("Could not write yychk_tbl"));

yytbl_data_destroy (yychk_tbl);

yytbl_data_destroy(yychk_tbl);

yychk_tbl = NULL;

}

/* End generating yy_chk */

flex_free ((void *) acc_array);

flex_free((void *) acc_array);

}

Line 1477

Line 1487

* current indentation level, adding a final newline.

void indent_put2s (fmt, arg)

void

const char *fmt, *arg;

indent_put2s(fmt, arg)

const char *fmt, *arg;

{

do_indent ();

do_indent();

out_str (fmt, arg);

out_str(fmt, arg);

outn ("");

outn("");

}

Line 1490

Line 1501

* newline.

void indent_puts (str)

void

const char *str;

indent_puts(str)

const char *str;

{

do_indent ();

do_indent();

outn (str);

outn(str);

}

/* make_tables - generate transition tables and finishes generating output file

void make_tables ()

void

make_tables()

{

int i;

int did_eof_rule = false;

struct yytbl_data *yynultrans_tbl;

skelout (); /* %% [2.0] - break point in skel */

skelout(); /* %% [2.0] - break point in skel */

/* First, take care of YY_DO_BEFORE_ACTION depending on yymore

* being used.

* First, take care of YY_DO_BEFORE_ACTION depending on yymore being

* used.

set_indent (1);

set_indent(1);

if (yymore_used && !yytext_is_array) {

indent_puts ("YY_G(yytext_ptr) -= YY_G(yy_more_len); \\");

indent_puts("YY_G(yytext_ptr) -= YY_G(yy_more_len); \\");

indent_puts

("yyleng = (size_t) (yy_cp - YY_G(yytext_ptr)); \\");

}

} else

indent_puts("yyleng = (size_t) (yy_cp - yy_bp); \\");

else

indent_puts ("yyleng = (size_t) (yy_cp - yy_bp); \\");

/* Now also deal with copying yytext_ptr to yytext if needed. */

skelout (); /* %% [3.0] - break point in skel */

skelout(); /* %% [3.0] - break point in skel */

if (yytext_is_array) {

if (yymore_used)

indent_puts

("if ( yyleng + YY_G(yy_more_offset) >= YYLMAX ) \\");

else

indent_puts ("if ( yyleng >= YYLMAX ) \\");

indent_puts("if ( yyleng >= YYLMAX ) \\");

indent_up ();

indent_up();

indent_puts

("YY_FATAL_ERROR( \"token too large, exceeds YYLMAX\" ); \\");

indent_down ();

indent_down();

if (yymore_used) {

indent_puts

("yy_flex_strncpy( &yytext[YY_G(yy_more_offset)], YY_G(yytext_ptr), yyleng + 1 M4_YY_CALL_LAST_ARG); \\");

indent_puts ("yyleng += YY_G(yy_more_offset); \\");

indent_puts("yyleng += YY_G(yy_more_offset); \\");

indent_puts

("YY_G(yy_prev_more_offset) = YY_G(yy_more_offset); \\");

indent_puts ("YY_G(yy_more_offset) = 0; \\");

indent_puts("YY_G(yy_more_offset) = 0; \\");

}

} else {

else {

indent_puts

("yy_flex_strncpy( yytext, YY_G(yytext_ptr), yyleng + 1 M4_YY_CALL_LAST_ARG); \\");

}

set_indent(0);

set_indent (0);

skelout(); /* %% [4.0] - break point in skel */

skelout (); /* %% [4.0] - break point in skel */

/* This is where we REALLY begin generating the tables. */

out_dec ("#define YY_NUM_RULES %d\n", num_rules);

out_dec("#define YY_NUM_RULES %d\n", num_rules);

out_dec ("#define YY_END_OF_BUFFER %d\n", num_rules + 1);

out_dec("#define YY_END_OF_BUFFER %d\n", num_rules + 1);

if (fullspd) {

/* Need to define the transet type as a size large

* enough to hold the biggest offset.

* Need to define the transet type as a size large enough to

* hold the biggest offset.

int total_table_size = tblend + numecs + 1;

char *trans_offset_type =

(total_table_size >= INT16_MAX || long_align) ?

"flex_int32_t" : "flex_int16_t";

set_indent (0);

set_indent(0);

indent_puts ("struct yy_trans_info");

indent_puts("struct yy_trans_info");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

/* We require that yy_verify and yy_nxt must be of the same size int. */

indent_put2s ("%s yy_verify;", trans_offset_type);

* We require that yy_verify and yy_nxt must be of the same

* size int.

indent_put2s("%s yy_verify;", trans_offset_type);

/* In cases where its sister yy_verify *is* a "yes, there is

* In cases where its sister yy_verify *is* a "yes, there is

* a transition", yy_nxt is the offset (in records) to the

* next state. In most cases where there is no transition,

* the value of yy_nxt is irrelevant. If yy_nxt is the -1th

* record of a state, though, then yy_nxt is the action number

* record of a state, though, then yy_nxt is the action

* for that state.

* number for that state.

indent_put2s ("%s yy_nxt;", trans_offset_type);

indent_put2s("%s yy_nxt;", trans_offset_type);

indent_puts ("};");

indent_puts("};");

indent_down ();

indent_down();

}

} else {

else {

/* We generate a bogus 'struct yy_trans_info' data type

* We generate a bogus 'struct yy_trans_info' data type so we

* so we can guarantee that it is always declared in the skel.

* can guarantee that it is always declared in the skel. This

* This is so we can compile "sizeof(struct yy_trans_info)"

* is so we can compile "sizeof(struct yy_trans_info)" in any

* in any scanner.

* scanner.

indent_puts

("/* This struct is not used in this scanner,");

indent_puts (" but its presence is necessary. */");

indent_puts(" but its presence is necessary. */");

indent_puts ("struct yy_trans_info");

indent_puts("struct yy_trans_info");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts ("flex_int32_t yy_verify;");

indent_puts("flex_int32_t yy_verify;");

indent_puts ("flex_int32_t yy_nxt;");

indent_puts("flex_int32_t yy_nxt;");

indent_puts ("};");

indent_puts("};");

indent_down ();

indent_down();

}

if (fullspd) {

genctbl ();

genctbl();

if (tablesext) {

struct yytbl_data *tbl;

tbl = mkctbl ();

tbl = mkctbl();

yytbl_data_compress (tbl);

yytbl_data_compress(tbl);

if (yytbl_data_fwrite (&tableswr, tbl) < 0)

if (yytbl_data_fwrite(&tableswr, tbl) < 0)

flexerror (_("Could not write ftbl"));

flexerror(_("Could not write ftbl"));

yytbl_data_destroy (tbl);

yytbl_data_destroy(tbl);

tbl = mkssltbl ();

tbl = mkssltbl();

yytbl_data_compress (tbl);

yytbl_data_compress(tbl);

if (yytbl_data_fwrite (&tableswr, tbl) < 0)

if (yytbl_data_fwrite(&tableswr, tbl) < 0)

flexerror (_("Could not write ssltbl"));

flexerror(_("Could not write ssltbl"));

yytbl_data_destroy (tbl);

yytbl_data_destroy(tbl);

tbl = 0;

if (useecs) {

tbl = mkecstbl ();

tbl = mkecstbl();

yytbl_data_compress (tbl);

yytbl_data_compress(tbl);

if (yytbl_data_fwrite (&tableswr, tbl) < 0)

if (yytbl_data_fwrite(&tableswr, tbl) < 0)

flexerror (_

flexerror(_

("Could not write ecstbl"));

yytbl_data_destroy (tbl);

yytbl_data_destroy(tbl);

tbl = 0;

}

} else if (fulltbl) {

else if (fulltbl) {

genftbl();

genftbl ();

if (tablesext) {

struct yytbl_data *tbl;

tbl = mkftbl ();

tbl = mkftbl();

yytbl_data_compress (tbl);

yytbl_data_compress(tbl);

if (yytbl_data_fwrite (&tableswr, tbl) < 0)

if (yytbl_data_fwrite(&tableswr, tbl) < 0)

flexerror (_("Could not write ftbl"));

flexerror(_("Could not write ftbl"));

yytbl_data_destroy (tbl);

yytbl_data_destroy(tbl);

tbl = 0;

if (useecs) {

tbl = mkecstbl ();

tbl = mkecstbl();

yytbl_data_compress (tbl);

yytbl_data_compress(tbl);

if (yytbl_data_fwrite (&tableswr, tbl) < 0)

if (yytbl_data_fwrite(&tableswr, tbl) < 0)

flexerror (_

flexerror(_

("Could not write ecstbl"));

yytbl_data_destroy (tbl);

yytbl_data_destroy(tbl);

tbl = 0;

}

} else

else

gentabs();

gentabs ();

if (do_yylineno) {

geneoltbl ();

geneoltbl();

if (tablesext) {

struct yytbl_data *tbl;

tbl = mkeoltbl ();

tbl = mkeoltbl();

yytbl_data_compress (tbl);

yytbl_data_compress(tbl);

if (yytbl_data_fwrite (&tableswr, tbl) < 0)

if (yytbl_data_fwrite(&tableswr, tbl) < 0)

flexerror (_("Could not write eoltbl"));

flexerror(_("Could not write eoltbl"));

yytbl_data_destroy (tbl);

yytbl_data_destroy(tbl);

tbl = 0;

}

/* Definitions for backing up. We don't need them if REJECT

* Definitions for backing up. We don't need them if REJECT is being

* is being used because then we use an alternative backin-up

* used because then we use an alternative backin-up technique

* technique instead.

* instead.

if (num_backing_up > 0 && !reject) {

if (!C_plus_plus && !reentrant) {

indent_puts

("static yy_state_type yy_last_accepting_state;");

indent_puts

("static char *yy_last_accepting_cpos;\n");

}

if (nultrans) {

flex_int32_t *yynultrans_data = 0;

/* Begin generating yy_NUL_trans */

out_str_dec (get_state_decl (), "yy_NUL_trans",

out_str_dec(get_state_decl(), "yy_NUL_trans",

lastdfa + 1);

buf_prints (&yydmap_buf,

buf_prints(&yydmap_buf,

"\t{YYTD_ID_NUL_TRANS, (void**)&yy_NUL_trans, sizeof(%s)},\n",

(fullspd) ? "struct yy_trans_info*" :

"flex_int32_t");

yynultrans_tbl =

(struct yytbl_data *) calloc (1,

(struct yytbl_data *) calloc(1,

sizeof (struct

sizeof(struct

yytbl_data));

yytbl_data_init (yynultrans_tbl, YYTD_ID_NUL_TRANS);

yytbl_data_init(yynultrans_tbl, YYTD_ID_NUL_TRANS);

if (fullspd)

yynultrans_tbl->td_flags |= YYTD_PTRANS;

yynultrans_tbl->td_lolen = lastdfa + 1;

yynultrans_tbl->td_data = yynultrans_data =

(flex_int32_t *) calloc (yynultrans_tbl->td_lolen,

(flex_int32_t *) calloc(yynultrans_tbl->td_lolen,

sizeof (flex_int32_t));

sizeof(flex_int32_t));

for (i = 1; i <= lastdfa; ++i) {

if (fullspd) {

out_dec (" &yy_transition[%d],\n",

out_dec(" &yy_transition[%d],\n",

base[i]);

yynultrans_data[i] = base[i];

}

} else {

else {

mkdata(nultrans[i]);

mkdata (nultrans[i]);

yynultrans_data[i] = nultrans[i];

}

dataend ();

dataend();

if (tablesext) {

yytbl_data_compress (yynultrans_tbl);

yytbl_data_compress(yynultrans_tbl);

if (yytbl_data_fwrite (&tableswr, yynultrans_tbl) <

if (yytbl_data_fwrite(&tableswr, yynultrans_tbl) <

flexerror (_

flexerror(_

("Could not write yynultrans_tbl"));

yytbl_data_destroy (yynultrans_tbl);

yytbl_data_destroy(yynultrans_tbl);

yynultrans_tbl = NULL;

}

/* End generating yy_NUL_trans */

}

if (!C_plus_plus && !reentrant) {

indent_puts ("extern int yy_flex_debug;");

indent_puts("extern int yy_flex_debug;");

indent_put2s ("int yy_flex_debug = %s;\n",

indent_put2s("int yy_flex_debug = %s;\n",

ddebug ? "1" : "0");

}

if (ddebug) { /* Spit out table mapping rules to line

if (ddebug) { /* Spit out table mapping rules to line numbers. */

* numbers. */

out_str_dec (long_align ? get_int32_decl () :

out_str_dec(long_align ? get_int32_decl() :

get_int16_decl (), "yy_rule_linenum",

get_int16_decl(), "yy_rule_linenum",

num_rules);

for (i = 1; i < num_rules; ++i)

mkdata (rule_linenum[i]);

mkdata(rule_linenum[i]);

dataend ();

dataend();

}

if (reject) {

outn ("m4_ifdef( [[M4_YY_USES_REJECT]],\n[[");

outn("m4_ifdef( [[M4_YY_USES_REJECT]],\n[[");

/* Declare state buffer variables. */

if (!C_plus_plus && !reentrant) {

outn ("static yy_state_type *yy_state_buf=0, *yy_state_ptr=0;");

outn("static yy_state_type *yy_state_buf=0, *yy_state_ptr=0;");

outn ("static char *yy_full_match;");

outn("static char *yy_full_match;");

outn ("static int yy_lp;");

outn("static int yy_lp;");

}

if (variable_trailing_context_rules) {

if (!C_plus_plus && !reentrant) {

outn ("static int yy_looking_for_trail_begin = 0;");

outn("static int yy_looking_for_trail_begin = 0;");

outn ("static int yy_full_lp;");

outn("static int yy_full_lp;");

outn ("static int *yy_full_state;");

outn("static int *yy_full_state;");

}

out_hex("#define YY_TRAILING_MASK 0x%x\n",

out_hex ("#define YY_TRAILING_MASK 0x%x\n",

(unsigned int) YY_TRAILING_MASK);

out_hex("#define YY_TRAILING_HEAD_MASK 0x%x\n",

out_hex ("#define YY_TRAILING_HEAD_MASK 0x%x\n",

(unsigned int) YY_TRAILING_HEAD_MASK);

}

outn("#define REJECT \\");

outn("{ \\");

outn("*yy_cp = YY_G(yy_hold_char); /* undo effects of setting up yytext */ \\");

outn("yy_cp = YY_G(yy_full_match); /* restore poss. backed-over text */ \\");

outn ("#define REJECT \\");

outn ("{ \\");

outn ("*yy_cp = YY_G(yy_hold_char); /* undo effects of setting up yytext */ \\");

outn ("yy_cp = YY_G(yy_full_match); /* restore poss. backed-over text */ \\");

if (variable_trailing_context_rules) {

outn ("YY_G(yy_lp) = YY_G(yy_full_lp); /* restore orig. accepting pos. */ \\");

outn("YY_G(yy_lp) = YY_G(yy_full_lp); /* restore orig. accepting pos. */ \\");

outn ("YY_G(yy_state_ptr) = YY_G(yy_full_state); /* restore orig. state */ \\");

outn("YY_G(yy_state_ptr) = YY_G(yy_full_state); /* restore orig. state */ \\");

outn ("yy_current_state = *YY_G(yy_state_ptr); /* restore curr. state */ \\");

outn("yy_current_state = *YY_G(yy_state_ptr); /* restore curr. state */ \\");

}

outn("++YY_G(yy_lp); \\");

outn("goto find_rule; \\");

outn ("++YY_G(yy_lp); \\");

outn("}");

outn ("goto find_rule; \\");

outn("]])\n");

} else {

outn ("}");

outn("/* The intent behind this definition is that it'll catch");

outn ("]])\n");

outn(" * any uses of REJECT which flex missed.");

outn(" */");

outn("#define REJECT reject_used_but_not_detected");

}

else {

outn ("/* The intent behind this definition is that it'll catch");

outn (" * any uses of REJECT which flex missed.");

outn (" */");

outn ("#define REJECT reject_used_but_not_detected");

}

if (yymore_used) {

if (!C_plus_plus) {

if (yytext_is_array) {

if (!reentrant){

if (!reentrant) {

indent_puts ("static int yy_more_offset = 0;");

indent_puts("static int yy_more_offset = 0;");

indent_puts ("static int yy_prev_more_offset = 0;");

indent_puts("static int yy_prev_more_offset = 0;");

}

} else if (!reentrant) {

else if (!reentrant) {

indent_puts

("static int yy_more_flag = 0;");

indent_puts

("static int yy_more_len = 0;");

}

if (yytext_is_array) {

indent_puts

("#define yymore() (YY_G(yy_more_offset) = yy_flex_strlen( yytext M4_YY_CALL_LAST_ARG))");

indent_puts ("#define YY_NEED_STRLEN");

indent_puts("#define YY_NEED_STRLEN");

indent_puts ("#define YY_MORE_ADJ 0");

indent_puts("#define YY_MORE_ADJ 0");

indent_puts

("#define YY_RESTORE_YY_MORE_OFFSET \\");

indent_up ();

indent_up();

indent_puts ("{ \\");

indent_puts("{ \\");

indent_puts

("YY_G(yy_more_offset) = YY_G(yy_prev_more_offset); \\");

indent_puts ("yyleng -= YY_G(yy_more_offset); \\");

indent_puts("yyleng -= YY_G(yy_more_offset); \\");

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

}

} else {

else {

indent_puts

("#define yymore() (YY_G(yy_more_flag) = 1)");

indent_puts

("#define YY_MORE_ADJ YY_G(yy_more_len)");

indent_puts ("#define YY_RESTORE_YY_MORE_OFFSET");

indent_puts("#define YY_RESTORE_YY_MORE_OFFSET");

}

} else {

else {

indent_puts

("#define yymore() yymore_used_but_not_detected");

indent_puts ("#define YY_MORE_ADJ 0");

indent_puts("#define YY_MORE_ADJ 0");

indent_puts ("#define YY_RESTORE_YY_MORE_OFFSET");

indent_puts("#define YY_RESTORE_YY_MORE_OFFSET");

}

if (!C_plus_plus) {

if (yytext_is_array) {

outn ("#ifndef YYLMAX");

outn("#ifndef YYLMAX");

outn ("#define YYLMAX 8192");

outn("#define YYLMAX 8192");

outn ("#endif\n");

outn("#endif\n");

if (!reentrant){

if (!reentrant) {

outn ("char yytext[YYLMAX];");

outn("char yytext[YYLMAX];");

outn ("char *yytext_ptr;");

outn("char *yytext_ptr;");

}

} else {

if (!reentrant)

outn("char *yytext;");

}

else {

if(! reentrant)

outn ("char *yytext;");

}

out(&action_array[defs1_offset]);

out (&action_array[defs1_offset]);

line_directive_out(stdout, 0);

line_directive_out (stdout, 0);

skelout(); /* %% [5.0] - break point in skel */

skelout (); /* %% [5.0] - break point in skel */

if (!C_plus_plus) {

if (use_read) {

outn ("\terrno=0; \\");

outn("\terrno=0; \\");

outn ("\twhile ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \\");

outn("\twhile ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \\");

outn ("\t{ \\");

outn("\t{ \\");

outn ("\t\tif( errno != EINTR) \\");

outn("\t\tif( errno != EINTR) \\");

outn ("\t\t{ \\");

outn("\t\t{ \\");

outn ("\t\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" ); \\");

outn("\t\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" ); \\");

outn ("\t\t\tbreak; \\");

outn("\t\t\tbreak; \\");

outn ("\t\t} \\");

outn("\t\t} \\");

outn ("\t\terrno=0; \\");

outn("\t\terrno=0; \\");

outn ("\t\tclearerr(yyin); \\");

outn("\t\tclearerr(yyin); \\");

outn ("\t}\\");

outn("\t}\\");

} else {

outn("\tif ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \\");

outn("\t\t{ \\");

outn("\t\tint c = '*'; \\");

outn("\t\tsize_t n; \\");

outn("\t\tfor ( n = 0; n < max_size && \\");

outn("\t\t\t (c = getc( yyin )) != EOF && c != '\\n'; ++n ) \\");

outn("\t\t\tbuf[n] = (char) c; \\");

outn("\t\tif ( c == '\\n' ) \\");

outn("\t\t\tbuf[n++] = (char) c; \\");

outn("\t\tif ( c == EOF && ferror( yyin ) ) \\");

outn("\t\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" ); \\");

outn("\t\tresult = n; \\");

outn("\t\t} \\");

outn("\telse \\");

outn("\t\t{ \\");

outn("\t\terrno=0; \\");

outn("\t\twhile ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \\");

outn("\t\t\t{ \\");

outn("\t\t\tif( errno != EINTR) \\");

outn("\t\t\t\t{ \\");

outn("\t\t\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" ); \\");

outn("\t\t\t\tbreak; \\");

outn("\t\t\t\t} \\");

outn("\t\t\terrno=0; \\");

outn("\t\t\tclearerr(yyin); \\");

outn("\t\t\t} \\");

outn("\t\t}\\");

}

else {

outn ("\tif ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \\");

outn ("\t\t{ \\");

outn ("\t\tint c = '*'; \\");

outn ("\t\tsize_t n; \\");

outn ("\t\tfor ( n = 0; n < max_size && \\");

outn ("\t\t\t (c = getc( yyin )) != EOF && c != '\\n'; ++n ) \\");

outn ("\t\t\tbuf[n] = (char) c; \\");

outn ("\t\tif ( c == '\\n' ) \\");

outn ("\t\t\tbuf[n++] = (char) c; \\");

outn ("\t\tif ( c == EOF && ferror( yyin ) ) \\");

outn ("\t\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" ); \\");

outn ("\t\tresult = n; \\");

outn ("\t\t} \\");

outn ("\telse \\");

outn ("\t\t{ \\");

outn ("\t\terrno=0; \\");

outn ("\t\twhile ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \\");

outn ("\t\t\t{ \\");

outn ("\t\t\tif( errno != EINTR) \\");

outn ("\t\t\t\t{ \\");

outn ("\t\t\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" ); \\");

outn ("\t\t\t\tbreak; \\");

outn ("\t\t\t\t} \\");

outn ("\t\t\terrno=0; \\");

outn ("\t\t\tclearerr(yyin); \\");

outn ("\t\t\t} \\");

outn ("\t\t}\\");

}

skelout(); /* %% [6.0] - break point in skel */

skelout (); /* %% [6.0] - break point in skel */

indent_puts("#define YY_RULE_SETUP \\");

indent_up();

indent_puts ("#define YY_RULE_SETUP \\");

indent_up ();

if (bol_needed) {

indent_puts ("if ( yyleng > 0 ) \\");

indent_puts("if ( yyleng > 0 ) \\");

indent_up ();

indent_up();

indent_puts ("YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \\");

indent_puts("YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \\");

indent_puts ("\t\t(yytext[yyleng - 1] == '\\n'); \\");

indent_puts("\t\t(yytext[yyleng - 1] == '\\n'); \\");

indent_down ();

indent_down();

}

indent_puts ("YY_USER_ACTION");

indent_puts("YY_USER_ACTION");

indent_down ();

indent_down();

skelout (); /* %% [7.0] - break point in skel */

skelout(); /* %% [7.0] - break point in skel */

/* Copy prolog to output file. */

out (&action_array[prolog_offset]);

out(&action_array[prolog_offset]);

line_directive_out (stdout, 0);

line_directive_out(stdout, 0);

skelout (); /* %% [8.0] - break point in skel */

skelout(); /* %% [8.0] - break point in skel */

set_indent (2);

set_indent(2);

if (yymore_used && !yytext_is_array) {

indent_puts ("YY_G(yy_more_len) = 0;");

indent_puts("YY_G(yy_more_len) = 0;");

indent_puts ("if ( YY_G(yy_more_flag) )");

indent_puts("if ( YY_G(yy_more_flag) )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts

("YY_G(yy_more_len) = YY_G(yy_c_buf_p) - YY_G(yytext_ptr);");

indent_puts ("YY_G(yy_more_flag) = 0;");

indent_puts("YY_G(yy_more_flag) = 0;");

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

}

skelout(); /* %% [9.0] - break point in skel */

skelout (); /* %% [9.0] - break point in skel */

gen_start_state();

gen_start_state ();

/* Note, don't use any indentation. */

outn ("yy_match:");

outn("yy_match:");

gen_next_match ();

gen_next_match();

skelout (); /* %% [10.0] - break point in skel */

skelout(); /* %% [10.0] - break point in skel */

set_indent (2);

set_indent(2);

gen_find_action ();

gen_find_action();

skelout (); /* %% [11.0] - break point in skel */

skelout(); /* %% [11.0] - break point in skel */

outn ("m4_ifdef( [[M4_YY_USE_LINENO]],[[");

outn("m4_ifdef( [[M4_YY_USE_LINENO]],[[");

indent_puts

("if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts ("yy_size_t yyl;");

indent_puts("yy_size_t yyl;");

do_indent ();

do_indent();

out_str ("for ( yyl = %s; yyl < yyleng; ++yyl )\n",

out_str("for ( yyl = %s; yyl < yyleng; ++yyl )\n",

yymore_used ? (yytext_is_array ? "YY_G(yy_prev_more_offset)" :

"YY_G(yy_more_len)") : "0");

indent_up ();

indent_up();

indent_puts ("if ( yytext[yyl] == '\\n' )");

indent_puts("if ( yytext[yyl] == '\\n' )");

indent_up ();

indent_up();

indent_puts ("M4_YY_INCR_LINENO();");

indent_puts("M4_YY_INCR_LINENO();");

indent_down ();

indent_down();

indent_down ();

indent_down();

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

outn ("]])");

outn("]])");

skelout (); /* %% [12.0] - break point in skel */

skelout(); /* %% [12.0] - break point in skel */

if (ddebug) {

indent_puts ("if ( yy_flex_debug )");

indent_puts("if ( yy_flex_debug )");

indent_up ();

indent_up();

indent_puts ("{");

indent_puts("{");

indent_puts ("if ( yy_act == 0 )");

indent_puts("if ( yy_act == 0 )");

indent_up ();

indent_up();

indent_puts (C_plus_plus ?

indent_puts(C_plus_plus ?

"std::cerr << \"--scanner backing up\\n\";" :

"fprintf( stderr, \"--scanner backing up\\n\" );");

indent_down ();

indent_down();

do_indent ();

do_indent();

out_dec ("else if ( yy_act < %d )\n", num_rules);

out_dec("else if ( yy_act < %d )\n", num_rules);

indent_up ();

indent_up();

if (C_plus_plus) {

indent_puts

("std::cerr << \"--accepting rule at line \" << yy_rule_linenum[yy_act] <<");

indent_puts

(" \"(\\\"\" << yytext << \"\\\")\\n\";");

}

} else {

else {

indent_puts

("fprintf( stderr, \"--accepting rule at line %ld (\\\"%s\\\")\\n\",");

indent_puts

(" (long)yy_rule_linenum[yy_act], yytext );");

}

indent_down ();

indent_down();

do_indent ();

do_indent();

out_dec ("else if ( yy_act == %d )\n", num_rules);

out_dec("else if ( yy_act == %d )\n", num_rules);

indent_up ();

indent_up();

if (C_plus_plus) {

indent_puts

("std::cerr << \"--accepting default rule (\\\"\" << yytext << \"\\\")\\n\";");

}

} else {

else {

indent_puts

("fprintf( stderr, \"--accepting default rule (\\\"%s\\\")\\n\",");

indent_puts (" yytext );");

indent_puts(" yytext );");

}

indent_down ();

indent_down();

do_indent ();

do_indent();

out_dec ("else if ( yy_act == %d )\n", num_rules + 1);

out_dec("else if ( yy_act == %d )\n", num_rules + 1);

indent_up ();

indent_up();

indent_puts (C_plus_plus ?

indent_puts(C_plus_plus ?

"std::cerr << \"--(end of buffer or a NUL)\\n\";" :

"fprintf( stderr, \"--(end of buffer or a NUL)\\n\" );");

indent_down ();

indent_down();

do_indent ();

do_indent();

outn ("else");

outn("else");

indent_up ();

indent_up();

if (C_plus_plus) {

indent_puts

("std::cerr << \"--EOF (start condition \" << YY_START << \")\\n\";");

}

} else {

else {

indent_puts

("fprintf( stderr, \"--EOF (start condition %d)\\n\", YY_START );");

}

indent_down ();

indent_down();

indent_puts ("}");

indent_puts("}");

indent_down ();

indent_down();

}

/* Copy actions to output file. */

skelout (); /* %% [13.0] - break point in skel */

skelout(); /* %% [13.0] - break point in skel */

indent_up ();

indent_up();

gen_bu_action ();

gen_bu_action();

out (&action_array[action_offset]);

out(&action_array[action_offset]);

line_directive_out (stdout, 0);

line_directive_out(stdout, 0);

/* generate cases for any missing EOF rules */

for (i = 1; i <= lastsc; ++i)

if (!sceof[i]) {

do_indent ();

do_indent();

out_str ("case YY_STATE_EOF(%s):\n", scname[i]);

out_str("case YY_STATE_EOF(%s):\n", scname[i]);

did_eof_rule = true;

}

if (did_eof_rule) {

indent_up ();

indent_up();

indent_puts ("yyterminate();");

indent_puts("yyterminate();");

indent_down ();

indent_down();

}

/* Generate code for handling NUL's, if needed. */

/* First, deal with backing up and setting up yy_cp if the scanner

* First, deal with backing up and setting up yy_cp if the scanner

* finds that it should JAM on the NUL.

skelout (); /* %% [14.0] - break point in skel */

skelout(); /* %% [14.0] - break point in skel */

set_indent (4);

set_indent(4);

if (fullspd || fulltbl)

indent_puts ("yy_cp = YY_G(yy_c_buf_p);");

indent_puts("yy_cp = YY_G(yy_c_buf_p);");

else { /* compressed table */

if (!reject && !interactive) {

/* Do the guaranteed-needed backing up to figure

* out the match.

* Do the guaranteed-needed backing up to figure out

* the match.

indent_puts

("yy_cp = YY_G(yy_last_accepting_cpos);");

indent_puts

("yy_current_state = YY_G(yy_last_accepting_state);");

}

} else

else

* Still need to initialize yy_cp, though

/* Still need to initialize yy_cp, though

* yy_current_state was set up by

* yy_get_previous_state().

indent_puts ("yy_cp = YY_G(yy_c_buf_p);");

indent_puts("yy_cp = YY_G(yy_c_buf_p);");

}

/* Generate code for yy_get_previous_state(). */

set_indent (1);

set_indent(1);

skelout (); /* %% [15.0] - break point in skel */

skelout(); /* %% [15.0] - break point in skel */

gen_start_state ();

gen_start_state();

set_indent (2);

set_indent(2);

skelout (); /* %% [16.0] - break point in skel */

skelout(); /* %% [16.0] - break point in skel */

gen_next_state (true);

gen_next_state(true);

set_indent (1);

set_indent(1);

skelout (); /* %% [17.0] - break point in skel */

skelout(); /* %% [17.0] - break point in skel */

gen_NUL_trans ();

gen_NUL_trans();

skelout (); /* %% [18.0] - break point in skel */

skelout(); /* %% [18.0] - break point in skel */

skelout (); /* %% [19.0] - break point in skel */

skelout(); /* %% [19.0] - break point in skel */

/* Update BOL and yylineno inside of input(). */

if (bol_needed) {

indent_puts

("YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\\n');");

if (do_yylineno) {

indent_puts

("if ( YY_CURRENT_BUFFER_LVALUE->yy_at_bol )");

indent_up ();

indent_up();

indent_puts ("M4_YY_INCR_LINENO();");

indent_puts("M4_YY_INCR_LINENO();");

indent_down ();

indent_down();

}

} else if (do_yylineno) {

indent_puts("if ( c == '\\n' )");

indent_up();

indent_puts("M4_YY_INCR_LINENO();");

indent_down();

}

skelout();

else if (do_yylineno) {

indent_puts ("if ( c == '\\n' )");

indent_up ();

indent_puts ("M4_YY_INCR_LINENO();");

indent_down ();

}

skelout ();

/* Copy remainder of input to output. */

line_directive_out (stdout, 1);

line_directive_out(stdout, 1);

if (sectnum == 3) {

OUT_BEGIN_CODE ();

OUT_BEGIN_CODE();

(void) flexscan (); /* copy remainder of input to output */

(void) flexscan(); /* copy remainder of input to output */

OUT_END_CODE ();

OUT_END_CODE();

}