static char *out_fmt(char *buf, char *end, char format, const struct tm *t)
{
switch (format) {
case 'a': return abbreviated_weekday_name(buf, end, t);
case 'A': return full_weekday_name(buf, end, t);
case 'b': return abbreviated_month_name(buf, end, t);
case 'B': return full_month_name(buf, end, t);
case 'c': return fmt(buf, end, "%m/%d/%y %H:%M:%S", t);
case 'C': return fmt(buf, end, "%a %b %e %H:%M:%S %Y", t);
case 'd': return out_dec(buf, end, 2, t->tm_mday, '0');
case 'D': return fmt(buf, end, "%m/%d/%y", t);
case 'e': return out_dec(buf, end, 2, t->tm_mday, ' ');
case 'F': return fmt(buf, end, "%Y-%m-%d", t);
case 'g': return week_based_year(buf, end, 2, t);
case 'G': return week_based_year(buf, end, 4, t);
case 'h': return abbreviated_month_name(buf, end, t);
case 'H': return out_dec(buf, end, 2, t->tm_hour, '0');
case 'I': return out_hour_12H(buf, end, t);
// continue from here:
// http://www.cplusplus.com/reference/ctime/strftime/
// examples:
// http://www.opensource.apple.com/source/Libc/Libc-167/string.subproj/strftime.c
// http://mirror.fsf.org/pmon2000/3.x/src/sdk/libc/time/strftime.c
case '%':
default: return out_ch(buf, end, format);
}
}
/* mkdata - generate a data statement
*
* Generates a data statement initializing the current array element to
* "value".
*/
void mkdata(int value)
{
if ( datapos >= NUMDATAITEMS )
{
outc( ',' );
dataflush();
}
if ( datapos == 0 )
/* Indent. */
out( " " );
else
outc( ',' );
++datapos;
out_dec( "%5d", value );
}
void gen_next_compressed_state(char *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
* always proceed until we reach a jam state
*/
gen_backing_up();
indent_puts(
"while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )" );
indent_up();
indent_puts( "{" );
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
* very simple test to see if we need to convert to
* yy_c's meta-equivalence class without worrying
* about erroneously looking up the meta-equivalence
* class twice
*/
do_indent();
/* lastdfa + 2 is the beginning of the templates */
out_dec( "if ( yy_current_state >= %d )\n", lastdfa + 2 );
indent_up();
indent_puts( "yy_c = yy_meta[(unsigned int) yy_c];" );
indent_down();
}
indent_puts( "}" );
indent_down();
indent_puts(
"yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];" );
}
/* mkdata - generate a data statement
*
* Generates a data statement initializing the current array element to
* "value".
*/
void mkdata (int value)
{
/* short circuit any output */
if (!gentables)
return;
if (datapos >= NUMDATAITEMS) {
outc (',');
dataflush ();
}
if (datapos == 0)
/* Indent. */
out (" ");
else
outc (',');
++datapos;
out_dec ("%5d", value);
}
void genctbl()
{
register int i;
int end_of_buffer_action = num_rules + 1;
/* Table of verify for transition and offset to next state. */
out_dec( "static yyconst struct yy_trans_info yy_transition[%d] =\n",
tblend + numecs + 1 );
outn( " {" );
/* We want the transition to be represented as the offset to the
* next state, not the actual state number, which is what it currently
* is. The offset is base[nxt[i]] - (base of current state)]. That's
* 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
* 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
* there's room for jam entries for other characters.
*/
while ( tblend + 2 >= current_max_xpairs )
expand_nxt_chk();
while ( lastdfa + 1 >= current_max_dfas )
increase_max_dfas();
base[lastdfa + 1] = tblend + 2;
nxt[tblend + 1] = end_of_buffer_action;
chk[tblend + 1] = numecs + 1;
chk[tblend + 2] = 1; /* anything but EOB */
/* 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
* 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;
nxt[offset - 1] = anum; /* action number */
}
for ( i = 0; i <= tblend; ++i )
{
if ( chk[i] == EOB_POSITION )
transition_struct_out( 0, base[lastdfa + 1] - i );
else if ( chk[i] == ACTION_POSITION )
transition_struct_out( 0, nxt[i] );
else if ( chk[i] > numecs || chk[i] == 0 )
transition_struct_out( 0, 0 ); /* unused slot */
else /* verify, transition */
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 + 2], nxt[tblend + 2] );
outn( " };\n" );
/* Table of pointers to start states. */
out_dec(
"static yyconst struct yy_trans_info *yy_start_state_list[%d] =\n",
lastsc * 2 + 1 );
outn( " {" ); /* } so vi doesn't get confused */
for ( i = 0; i <= lastsc * 2; ++i )
out_dec( " &yy_transition[%d],\n", base[i] );
dataend();
if ( useecs )
genecs();
}
static char *out_hour_12H(char *buf, char *end, const struct tm *t)
{
int hour = t->tm_hour % 12;
return out_dec(buf, end, 2, hour? hour: 12, '0');
}
void ntod (void)
{
int *accset, ds, nacc, newds;
int sym, hashval, numstates, dsize;
int num_full_table_rows=0; /* used only for -f */
int *nset, *dset;
int targptr, totaltrans, i, comstate, comfreq, targ;
int symlist[CSIZE + 1];
int num_start_states;
int todo_head, todo_next;
struct yytbl_data *yynxt_tbl = 0;
flex_int32_t *yynxt_data = 0, yynxt_curr = 0;
/* Note that the following are indexed by *equivalence classes*
* and not by characters. Since equivalence classes are indexed
* beginning with 1, even if the scanner accepts NUL's, this
* means that (since every character is potentially in its own
* equivalence class) these arrays must have room for indices
* from 1 to CSIZE, so their size must be CSIZE + 1.
*/
int duplist[CSIZE + 1], state[CSIZE + 1];
int targfreq[CSIZE + 1] = {0}, targstate[CSIZE + 1];
/* accset needs to be large enough to hold all of the rules present
* in the input, *plus* their YY_TRAILING_HEAD_MASK variants.
*/
accset = allocate_integer_array ((num_rules + 1) * 2);
nset = allocate_integer_array (current_max_dfa_size);
/* The "todo" queue is represented by the head, which is the DFA
* state currently being processed, and the "next", which is the
* next DFA state number available (not in use). We depend on the
* fact that snstods() returns DFA's \in increasing order/, and thus
* need only know the bounds of the dfas to be processed.
*/
todo_head = todo_next = 0;
for (i = 0; i <= csize; ++i) {
duplist[i] = NIL;
symlist[i] = false;
}
for (i = 0; i <= num_rules; ++i)
accset[i] = NIL;
if (trace) {
dumpnfa (scset[1]);
fputs (_("\n\nDFA Dump:\n\n"), stderr);
}
inittbl ();
/* Check to see whether we should build a separate table for
* transitions on NUL characters. We don't do this for full-speed
* (-F) scanners, since for them we don't have a simple state
* number lying around with which to index the table. We also
* don't bother doing it for scanners unless (1) NUL is in its own
* equivalence class (indicated by a positive value of
* ecgroup[NUL]), (2) NUL's equivalence class is the last
* equivalence class, and (3) the number of equivalence classes is
* the same as the number of characters. This latter case comes
* about when useecs is false or when it's true but every character
* still manages to land in its own class (unlikely, but it's
* cheap to check for). If all these things are true then the
* character code needed to represent NUL's equivalence class for
* indexing the tables is going to take one more bit than the
* number of characters, and therefore we won't be assured of
* being able to fit it into a YY_CHAR variable. This rules out
* storing the transitions in a compressed table, since the code
* for interpreting them uses a YY_CHAR variable (perhaps it
* should just use an integer, though; this is worth pondering ...
* ###).
*
* Finally, for full tables, we want the number of entries in the
* table to be a power of two so the array references go fast (it
* will just take a shift to compute the major index). If
* encoding NUL's transitions in the table will spoil this, we
* give it its own table (note that this will be the case if we're
* not using equivalence classes).
*/
/* Note that the test for ecgroup[0] == numecs below accomplishes
* both (1) and (2) above
*/
if (!fullspd && ecgroup[0] == numecs) {
/* NUL is alone in its equivalence class, which is the
* last one.
*/
int use_NUL_table = (numecs == csize);
if (fulltbl && !use_NUL_table) {
/* We still may want to use the table if numecs
* is a power of 2.
*/
int power_of_two;
for (power_of_two = 1; power_of_two <= csize;
power_of_two *= 2)
if (numecs == power_of_two) {
use_NUL_table = true;
break;
}
}
if (use_NUL_table)
nultrans =
allocate_integer_array (current_max_dfas);
/* From now on, nultrans != nil indicates that we're
* saving null transitions for later, separate encoding.
*/
}
if (fullspd) {
for (i = 0; i <= numecs; ++i)
state[i] = 0;
place_state (state, 0, 0);
dfaacc[0].dfaacc_state = 0;
}
else if (fulltbl) {
if (nultrans)
/* We won't be including NUL's transitions in the
* table, so build it for entries from 0 .. numecs - 1.
*/
num_full_table_rows = numecs;
else
/* Take into account the fact that we'll be including
* the NUL entries in the transition table. Build it
* from 0 .. numecs.
*/
num_full_table_rows = numecs + 1;
/* Begin generating yy_nxt[][]
* This spans the entire LONG function.
* This table is tricky because we don't know how big it will be.
* So we'll have to realloc() on the way...
* we'll wait until we can calculate yynxt_tbl->td_hilen.
*/
yynxt_tbl = calloc(1, sizeof (struct yytbl_data));
yytbl_data_init (yynxt_tbl, YYTD_ID_NXT);
yynxt_tbl->td_hilen = 1;
yynxt_tbl->td_lolen = (flex_uint32_t) num_full_table_rows;
yynxt_tbl->td_data = yynxt_data =
calloc(yynxt_tbl->td_lolen *
yynxt_tbl->td_hilen,
sizeof (flex_int32_t));
yynxt_curr = 0;
buf_prints (&yydmap_buf,
"\t{YYTD_ID_NXT, (void**)&yy_nxt, sizeof(%s)},\n",
long_align ? "flex_int32_t" : "flex_int16_t");
/* Unless -Ca, declare it "short" because it's a real
* long-shot that that won't be large enough.
*/
if (gentables)
out_str_dec
("static const %s yy_nxt[][%d] =\n {\n",
long_align ? "flex_int32_t" : "flex_int16_t",
num_full_table_rows);
else {
out_dec ("#undef YY_NXT_LOLEN\n#define YY_NXT_LOLEN (%d)\n", num_full_table_rows);
out_str ("static const %s *yy_nxt =0;\n",
long_align ? "flex_int32_t" : "flex_int16_t");
}
if (gentables)
outn (" {");
/* Generate 0 entries for state #0. */
for (i = 0; i < num_full_table_rows; ++i) {
mk2data (0);
yynxt_data[yynxt_curr++] = 0;
}
dataflush ();
if (gentables)
outn (" },\n");
}
/* Create the first states. */
num_start_states = lastsc * 2;
for (i = 1; i <= num_start_states; ++i) {
numstates = 1;
/* For each start condition, make one state for the case when
* we're at the beginning of the line (the '^' operator) and
* one for the case when we're not.
*/
if (i % 2 == 1)
nset[numstates] = scset[(i / 2) + 1];
else
nset[numstates] =
mkbranch (scbol[i / 2], scset[i / 2]);
nset = epsclosure (nset, &numstates, accset, &nacc,
&hashval);
if (snstods (nset, numstates, accset, nacc, hashval, &ds)) {
numas += nacc;
totnst += numstates;
++todo_next;
if (variable_trailing_context_rules && nacc > 0)
check_trailing_context (nset, numstates,
accset, nacc);
}
}
if (!fullspd) {
if (!snstods (nset, 0, accset, 0, 0, &end_of_buffer_state))
flexfatal (_
("could not create unique end-of-buffer state"));
++numas;
++num_start_states;
++todo_next;
}
while (todo_head < todo_next) {
targptr = 0;
totaltrans = 0;
for (i = 1; i <= numecs; ++i)
state[i] = 0;
ds = ++todo_head;
dset = dss[ds];
dsize = dfasiz[ds];
if (trace)
fprintf (stderr, _("state # %d:\n"), ds);
sympartition (dset, dsize, symlist, duplist);
for (sym = 1; sym <= numecs; ++sym) {
if (symlist[sym]) {
symlist[sym] = 0;
if (duplist[sym] == NIL) {
/* Symbol has unique out-transitions. */
numstates =
symfollowset (dset, dsize,
sym, nset);
nset = epsclosure (nset,
&numstates,
accset, &nacc,
&hashval);
if (snstods
(nset, numstates, accset, nacc,
hashval, &newds)) {
totnst = totnst +
numstates;
++todo_next;
numas += nacc;
if (variable_trailing_context_rules && nacc > 0)
check_trailing_context
(nset,
numstates,
accset,
nacc);
}
state[sym] = newds;
if (trace)
fprintf (stderr,
"\t%d\t%d\n", sym,
newds);
targfreq[++targptr] = 1;
targstate[targptr] = newds;
++numuniq;
}
else {
/* sym's equivalence class has the same
* transitions as duplist(sym)'s
* equivalence class.
*/
targ = state[duplist[sym]];
state[sym] = targ;
if (trace)
fprintf (stderr,
"\t%d\t%d\n", sym,
targ);
/* Update frequency count for
* destination state.
*/
i = 0;
while (targstate[++i] != targ) ;
++targfreq[i];
++numdup;
}
++totaltrans;
duplist[sym] = NIL;
}
}
numsnpairs += totaltrans;
if (ds > num_start_states)
check_for_backing_up (ds, state);
if (nultrans) {
nultrans[ds] = state[NUL_ec];
state[NUL_ec] = 0; /* remove transition */
}
if (fulltbl) {
/* Each time we hit here, it's another td_hilen, so we realloc. */
yynxt_tbl->td_hilen++;
yynxt_tbl->td_data = yynxt_data =
realloc (yynxt_data,
yynxt_tbl->td_hilen *
yynxt_tbl->td_lolen *
sizeof (flex_int32_t));
if (gentables)
outn (" {");
/* Supply array's 0-element. */
if (ds == end_of_buffer_state) {
mk2data (-end_of_buffer_state);
yynxt_data[yynxt_curr++] =
-end_of_buffer_state;
}
else {
mk2data (end_of_buffer_state);
yynxt_data[yynxt_curr++] =
end_of_buffer_state;
}
for (i = 1; i < num_full_table_rows; ++i) {
/* Jams are marked by negative of state
* number.
*/
mk2data (state[i] ? state[i] : -ds);
yynxt_data[yynxt_curr++] =
state[i] ? state[i] : -ds;
}
dataflush ();
if (gentables)
outn (" },\n");
}
else if (fullspd)
place_state (state, ds, totaltrans);
else if (ds == end_of_buffer_state)
/* Special case this state to make sure it does what
* it's supposed to, i.e., jam on end-of-buffer.
*/
stack1 (ds, 0, 0, JAMSTATE);
else { /* normal, compressed state */
/* Determine which destination state is the most
* common, and how many transitions to it there are.
*/
comfreq = 0;
comstate = 0;
for (i = 1; i <= targptr; ++i)
if (targfreq[i] > comfreq) {
comfreq = targfreq[i];
comstate = targstate[i];
}
bldtbl (state, ds, totaltrans, comstate, comfreq);
}
}
if (fulltbl) {
dataend ();
if (tablesext) {
yytbl_data_compress (yynxt_tbl);
if (yytbl_data_fwrite (&tableswr, yynxt_tbl) < 0)
flexerror (_
("Could not write yynxt_tbl[][]"));
}
if (yynxt_tbl) {
yytbl_data_destroy (yynxt_tbl);
yynxt_tbl = 0;
}
}
else if (!fullspd) {
cmptmps (); /* create compressed template entries */
/* Create tables for all the states with only one
* out-transition.
*/
while (onesp > 0) {
mk1tbl (onestate[onesp], onesym[onesp],
onenext[onesp], onedef[onesp]);
--onesp;
}
mkdeftbl ();
}
free(accset);
free(nset);
}
void gen_NUL_trans(void)
{ /* NOTE - changes in here should be reflected 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().
*/
indent_puts( "char *yy_cp = yy_c_buf_p;" );
outc( '\n' );
if ( nultrans )
{
indent_puts(
"yy_current_state = yy_NUL_trans[yy_current_state];" );
indent_puts( "yy_is_jam = (yy_current_state == 0);" );
}
else if ( fulltbl )
{
do_indent();
out_dec( "yy_current_state = yy_nxt[yy_current_state][%d];\n",
NUL_ec );
indent_puts( "yy_is_jam = (yy_current_state <= 0);" );
}
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_is_jam = (yy_trans_info->yy_verify != yy_c);" );
}
else
{
char NUL_ec_str[20];
(void) sprintf( NUL_ec_str, "%d", NUL_ec );
gen_next_compressed_state( NUL_ec_str );
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
* the state stack and yy_c_buf_p get out of sync.
*/
indent_puts( "if ( ! yy_is_jam )" );
indent_up();
indent_puts( "*yy_state_ptr++ = yy_current_state;" );
indent_down();
}
}
/* If we've entered an accepting state, back up; note that
* compressed tables have *already* done such backing up, so
* we needn't bother with it again.
*/
if ( need_backing_up && (fullspd || fulltbl) )
{
outc( '\n' );
indent_puts( "if ( ! yy_is_jam )" );
indent_up();
indent_puts( "{" );
gen_backing_up();
indent_puts( "}" );
indent_down();
}
}
void gen_next_match(void)
{
/* 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 )
{
indent_put2s(
"while ( (yy_current_state = yy_nxt[yy_current_state][%s]) > 0 )",
char_map );
indent_up();
if ( num_backing_up > 0 )
{
indent_puts( "{" ); /* } for vi */
gen_backing_up();
outc( '\n' );
}
indent_puts( "++yy_cp;" );
if ( num_backing_up > 0 )
/* { for vi */
indent_puts( "}" );
indent_down();
outc( '\n' );
indent_puts( "yy_current_state = -yy_current_state;" );
}
else if ( fullspd )
{
indent_puts( "{" ); /* } for vi */
indent_puts(
"yyconst struct yy_trans_info *yy_trans_info;\n" );
indent_puts( "YY_CHAR yy_c;\n" );
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_put2s( " yy_c = %s )", char_map_2 );
indent_up();
if ( num_backing_up > 0 )
indent_puts( "{" ); /* } for vi */
indent_puts( "yy_current_state += yy_trans_info->yy_nxt;" );
if ( num_backing_up > 0 )
{
outc( '\n' );
gen_backing_up(); /* { for vi */
indent_puts( "}" );
}
indent_down(); /* { for vi */
indent_puts( "}" );
}
else
{ /* compressed */
indent_puts( "do" );
indent_up();
indent_puts( "{" ); /* } for vi */
gen_next_state( false );
indent_puts( "++yy_cp;" );
/* { for vi */
indent_puts( "}" );
indent_down();
do_indent();
if ( interactive )
out_dec( "while ( yy_base[yy_current_state] != %d );\n",
jambase );
else
out_dec( "while ( yy_current_state != %d );\n",
jamstate );
if ( ! reject && ! interactive )
{
/* Do the guaranteed-needed backing up to figure out
* the match.
*/
indent_puts( "yy_cp = yy_last_accepting_cpos;" );
indent_puts(
"yy_current_state = yy_last_accepting_state;" );
}
}
}
void make_tables(void)
{
int i;
int did_eof_rule = false;
skelout();
/* First, take care of YY_DO_BEFORE_ACTION depending on yymore
* being used.
*/
set_indent( 1 );
if ( yymore_used && ! yytext_is_array )
{
indent_puts( "yytext_ptr -= yy_more_len; \\" );
indent_puts( "yyleng = (int) (yy_cp - yytext_ptr); \\" );
}
else
indent_puts( "yyleng = (int) (yy_cp - yy_bp); \\" );
/* Now also deal with copying yytext_ptr to yytext if needed. */
skelout();
if ( yytext_is_array )
{
if ( yymore_used )
indent_puts(
"if ( yyleng + yy_more_offset >= YYLMAX ) \\" );
else
indent_puts( "if ( yyleng >= YYLMAX ) \\" );
indent_up();
indent_puts(
"YY_FATAL_ERROR( \"token too large, exceeds YYLMAX\" ); \\" );
indent_down();
if ( yymore_used )
{
indent_puts(
"yy_flex_strncpy( &yytext[yy_more_offset], yytext_ptr, yyleng + 1 ); \\" );
indent_puts( "yyleng += yy_more_offset; \\" );
indent_puts(
"yy_prev_more_offset = yy_more_offset; \\" );
indent_puts( "yy_more_offset = 0; \\" );
}
else
{
indent_puts(
"yy_flex_strncpy( yytext, yytext_ptr, yyleng + 1 ); \\" );
}
}
set_indent( 0 );
skelout();
out_dec( "#define YY_NUM_RULES %d\n", num_rules );
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.
*/
int total_table_size = tblend + numecs + 1;
char *trans_offset_type =
(total_table_size >= MAX_SHORT || long_align) ?
"long" : "short";
set_indent( 0 );
indent_puts( "struct yy_trans_info" );
indent_up();
indent_puts( "{" ); /* } for vi */
if ( long_align )
indent_puts( "long yy_verify;" );
else
indent_puts( "short yy_verify;" );
/* 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
* for that state.
*/
indent_put2s( "%s yy_nxt;", trans_offset_type );
indent_puts( "};" );
indent_down();
}
if ( fullspd )
genctbl();
else if ( fulltbl )
genftbl();
else
gentabs();
/* Definitions for backing up. We don't need them if REJECT
* is being used because then we use an alternative backin-up
* technique instead.
*/
if ( num_backing_up > 0 && ! reject )
{
if ( ! C_plus_plus )
{
indent_puts(
"static yy_state_type yy_last_accepting_state;" );
indent_puts(
"static char *yy_last_accepting_cpos;\n" );
}
}
if ( nultrans )
{
out_str_dec( C_state_decl, "yy_NUL_trans", lastdfa + 1 );
for ( i = 1; i <= lastdfa; ++i )
{
if ( fullspd )
out_dec( " &yy_transition[%d],\n", base[i] );
else
mkdata( nultrans[i] );
}
dataend();
}
if ( ddebug )
{ /* Spit out table mapping rules to line numbers. */
if ( ! C_plus_plus )
{
indent_puts( "extern int yy_flex_debug;" );
indent_puts( "int yy_flex_debug = 1;\n" );
}
out_str_dec( long_align ? C_long_decl : C_short_decl,
"yy_rule_linenum", num_rules );
for ( i = 1; i < num_rules; ++i )
mkdata( rule_linenum[i] );
dataend();
}
if ( reject )
{
/* Declare state buffer variables. */
if ( ! C_plus_plus )
{
outn(
"static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr;" );
outn( "static char *yy_full_match;" );
outn( "static int yy_lp;" );
}
if ( variable_trailing_context_rules )
{
if ( ! C_plus_plus )
{
outn(
"static int yy_looking_for_trail_begin = 0;" );
outn( "static int yy_full_lp;" );
outn( "static int *yy_full_state;" );
}
out_hex( "#define YY_TRAILING_MASK 0x%x\n",
(unsigned int) YY_TRAILING_MASK );
out_hex( "#define YY_TRAILING_HEAD_MASK 0x%x\n",
(unsigned int) YY_TRAILING_HEAD_MASK );
}
outn( "#define REJECT \\" );
outn( "{ \\" ); /* } for vi */
outn(
"*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \\" );
outn(
"yy_cp = yy_full_match; /* restore poss. backed-over text */ \\" );
if ( variable_trailing_context_rules )
{
outn(
"yy_lp = yy_full_lp; /* restore orig. accepting pos. */ \\" );
outn(
"yy_state_ptr = yy_full_state; /* restore orig. state */ \\" );
outn(
"yy_current_state = *yy_state_ptr; /* restore curr. state */ \\" );
}
outn( "++yy_lp; \\" );
outn( "goto find_rule; \\" );
/* { for vi */
outn( "}" );
}
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 )
{
indent_puts( "static int yy_more_offset = 0;" );
indent_puts(
"static int yy_prev_more_offset = 0;" );
}
else
{
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_more_offset = yy_flex_strlen( yytext ))" );
indent_puts( "#define YY_NEED_STRLEN" );
indent_puts( "#define YY_MORE_ADJ 0" );
indent_puts( "#define YY_RESTORE_YY_MORE_OFFSET \\" );
indent_up();
indent_puts( "{ \\" );
indent_puts( "yy_more_offset = yy_prev_more_offset; \\" );
indent_puts( "yyleng -= yy_more_offset; \\" );
indent_puts( "}" );
indent_down();
}
else
{
indent_puts( "#define yymore() (yy_more_flag = 1)" );
indent_puts( "#define YY_MORE_ADJ yy_more_len" );
indent_puts( "#define YY_RESTORE_YY_MORE_OFFSET" );
}
}
else
{
indent_puts( "#define yymore() yymore_used_but_not_detected" );
indent_puts( "#define YY_MORE_ADJ 0" );
indent_puts( "#define YY_RESTORE_YY_MORE_OFFSET" );
}
if ( ! C_plus_plus )
{
if ( yytext_is_array )
{
outn( "#ifndef YYLMAX" );
outn( "#define YYLMAX 8192" );
outn( "#endif\n" );
outn( "char yytext[YYLMAX];" );
outn( "char *yytext_ptr;" );
}
else
outn( "char *yytext;" );
}
out( &action_array[defs1_offset] );
line_directive_out( stdout, 0 );
skelout();
if ( ! C_plus_plus )
{
if ( use_read )
{
outn(
"\tif ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \\" );
outn(
"\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" );" );
}
else
{
outn(
"\tif ( yy_current_buffer->yy_is_interactive ) \\" );
outn( "\t\t{ \\" );
outn( "\t\tint c = '*', 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 if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \\" );
outn( "\t\t && ferror( yyin ) ) \\" );
outn(
"\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" );" );
}
}
skelout();
indent_puts( "#define YY_RULE_SETUP \\" );
indent_up();
if ( bol_needed )
{
indent_puts( "if ( yyleng > 0 ) \\" );
indent_up();
indent_puts( "yy_current_buffer->yy_at_bol = \\" );
indent_puts( "\t\t(yytext[yyleng - 1] == '\\n'); \\" );
indent_down();
}
indent_puts( "YY_USER_ACTION" );
indent_down();
skelout();
/* Copy prolog to output file. */
out( &action_array[prolog_offset] );
line_directive_out( stdout, 0 );
skelout();
set_indent( 2 );
if ( yymore_used && ! yytext_is_array )
{
indent_puts( "yy_more_len = 0;" );
indent_puts( "if ( yy_more_flag )" );
indent_up();
indent_puts( "{" );
indent_puts( "yy_more_len = yy_c_buf_p - yytext_ptr;" );
indent_puts( "yy_more_flag = 0;" );
indent_puts( "}" );
indent_down();
}
skelout();
gen_start_state();
/* Note, don't use any indentation. */
outn( "yy_match:" );
gen_next_match();
skelout();
set_indent( 2 );
gen_find_action();
skelout();
if ( do_yylineno )
{
indent_puts( "if ( yy_act != YY_END_OF_BUFFER )" );
indent_up();
indent_puts( "{" );
indent_puts( "int yyl;" );
indent_puts( "for ( yyl = 0; yyl < yyleng; ++yyl )" );
indent_up();
indent_puts( "if ( yytext[yyl] == '\\n' )" );
indent_up();
indent_puts( "++yylineno;" );
indent_down();
indent_down();
indent_puts( "}" );
indent_down();
}
skelout();
if ( ddebug )
{
indent_puts( "if ( yy_flex_debug )" );
indent_up();
indent_puts( "{" );
indent_puts( "if ( yy_act == 0 )" );
indent_up();
indent_puts( C_plus_plus ?
"cerr << \"--scanner backing up\\n\";" :
"fprintf( stderr, \"--scanner backing up\\n\" );" );
indent_down();
do_indent();
out_dec( "else if ( yy_act < %d )\n", num_rules );
indent_up();
if ( C_plus_plus )
{
indent_puts(
"cerr << \"--accepting rule at line \" << yy_rule_linenum[yy_act] <<" );
indent_puts(
" \"(\\\"\" << yytext << \"\\\")\\n\";" );
}
else
{
indent_puts(
"fprintf( stderr, \"--accepting rule at line %d (\\\"%s\\\")\\n\"," );
indent_puts(
" yy_rule_linenum[yy_act], yytext );" );
}
indent_down();
do_indent();
out_dec( "else if ( yy_act == %d )\n", num_rules );
indent_up();
if ( C_plus_plus )
{
indent_puts(
"cerr << \"--accepting default rule (\\\"\" << yytext << \"\\\")\\n\";" );
}
else
{
indent_puts(
"fprintf( stderr, \"--accepting default rule (\\\"%s\\\")\\n\"," );
indent_puts( " yytext );" );
}
indent_down();
do_indent();
out_dec( "else if ( yy_act == %d )\n", num_rules + 1 );
indent_up();
indent_puts( C_plus_plus ?
"cerr << \"--(end of buffer or a NUL)\\n\";" :
"fprintf( stderr, \"--(end of buffer or a NUL)\\n\" );" );
indent_down();
do_indent();
outn( "else" );
indent_up();
if ( C_plus_plus )
{
indent_puts(
"cerr << \"--EOF (start condition \" << YY_START << \")\\n\";" );
}
else
{
indent_puts(
"fprintf( stderr, \"--EOF (start condition %d)\\n\", YY_START );" );
}
indent_down();
indent_puts( "}" );
indent_down();
}
/* Copy actions to output file. */
skelout();
indent_up();
gen_bu_action();
out( &action_array[action_offset] );
line_directive_out( stdout, 0 );
/* generate cases for any missing EOF rules */
for ( i = 1; i <= lastsc; ++i )
if ( ! sceof[i] )
{
do_indent();
out_str( "case YY_STATE_EOF(%s):\n", scname[i] );
did_eof_rule = true;
}
if ( did_eof_rule )
{
indent_up();
indent_puts( "yyterminate();" );
indent_down();
}
/* Generate code for handling NUL's, if needed. */
/* First, deal with backing up and setting up yy_cp if the scanner
* finds that it should JAM on the NUL.
*/
skelout();
set_indent( 4 );
if ( fullspd || fulltbl )
indent_puts( "yy_cp = yy_c_buf_p;" );
else
{ /* compressed table */
if ( ! reject && ! interactive )
{
/* Do the guaranteed-needed backing up to figure
* out the match.
*/
indent_puts( "yy_cp = yy_last_accepting_cpos;" );
indent_puts(
"yy_current_state = yy_last_accepting_state;" );
}
else
/* Still need to initialize yy_cp, though
* yy_current_state was set up by
* yy_get_previous_state().
*/
indent_puts( "yy_cp = yy_c_buf_p;" );
}
/* Generate code for yy_get_previous_state(). */
set_indent( 1 );
skelout();
gen_start_state();
set_indent( 2 );
skelout();
gen_next_state( true );
set_indent( 1 );
skelout();
gen_NUL_trans();
skelout();
if ( do_yylineno )
{ /* update yylineno inside of unput() */
indent_puts( "if ( c == '\\n' )" );
indent_up();
indent_puts( "--yylineno;" );
indent_down();
}
skelout();
/* Update BOL and yylineno inside of input(). */
if ( bol_needed )
{
indent_puts( "yy_current_buffer->yy_at_bol = (c == '\\n');" );
if ( do_yylineno )
{
indent_puts( "if ( yy_current_buffer->yy_at_bol )" );
indent_up();
indent_puts( "++yylineno;" );
indent_down();
}
}
else if ( do_yylineno )
{
indent_puts( "if ( c == '\\n' )" );
indent_up();
indent_puts( "++yylineno;" );
indent_down();
}
skelout();
/* Copy remainder of input to output. */
line_directive_out( stdout, 1 );
if ( sectnum == 3 )
(void) flexscan(); /* copy remainder of input to output */
}
