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-
-
- # define ID 257
- # define MONTH 258
- # define DAY 259
- # define MERIDIAN 260
- # define SNUMBER 261
- # define UNUMBER 262
- # define UNIT 263
- # define MUNIT 264
- # define SUNIT 265
- # define ZONE 266
- # define DAYZONE 267
- # define AGO 268
-
- # line 3 "getdate.y"
- /* Originally from: Steven M. Bellovin (unc!smb) */
- /* Dept. of Computer Science */
- /* University of North Carolina at Chapel Hill */
- /* @(#)getdate.y 2.20 9/1/89 */
-
- #ifdef COMMENT
- #include "defs.h"
- #endif
-
- #include <sys/types.h>
- #ifdef USG
- struct timeb
- {
- time_t time;
- unsigned short millitm;
- short timezone;
- short dstflag;
- };
- #else
- #include <sys/timeb.h>
- #endif
- #include <ctype.h>
-
- #if defined(BSD4_2)
- #include <sys/time.h>
- #else /* sane */
- #include <time.h>
- #endif /* sane */
-
- #define NULL 0
- #define daysec (24L*60L*60L)
- static int timeflag, zoneflag, dateflag, dayflag, relflag;
- static time_t relsec, relmonth;
- static int hh, mm, ss, merid, daylght;
- static int dayord, dayreq;
- static int month, day, year;
- static int ourzone;
- #define AM 1
- #define PM 2
- #define DAYLIGHT 1
- #define STANDARD 2
- #define MAYBE 3
- #define yyclearin yychar = -1
- #define yyerrok yyerrflag = 0
- extern int yychar;
- extern int yyerrflag;
- #ifndef YYMAXDEPTH
- #define YYMAXDEPTH 150
- #endif
- #ifndef YYSTYPE
- #define YYSTYPE int
- #endif
- YYSTYPE yylval, yyval;
- typedef int yytabelem;
- # define YYERRCODE 256
-
- # line 126 "getdate.y"
-
-
- static int mdays[12] =
- {31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
- #define epoch 1970
-
- extern struct tm *localtime();
-
- time_t
- dateconv(mm, dd, yy, h, m, s, mer, zone, dayflag)
- int mm, dd, yy, h, m, s, mer, zone, dayflag;
- {
- time_t tod, jdate;
- register int i;
- time_t timeconv();
-
- if (yy < 0) yy = -yy;
- if (yy < 100) yy += 1900;
- mdays[1] = 28 + (yy%4 == 0 && (yy%100 != 0 || yy%400 == 0));
- if (yy < epoch || yy > 1999 || mm < 1 || mm > 12 ||
- dd < 1 || dd > mdays[--mm]) return (-1);
- jdate = dd-1;
- for (i=0; i<mm; i++) jdate += mdays[i];
- for (i = epoch; i < yy; i++) jdate += 365 + (i%4 == 0);
- jdate *= daysec;
- jdate += zone * 60L;
- if ((tod = timeconv(h, m, s, mer)) < 0) return (-1);
- jdate += tod;
- if (dayflag==DAYLIGHT || (dayflag==MAYBE&&localtime(&jdate)->tm_isdst))
- jdate += -1*60*60;
- return (jdate);
- }
-
- time_t
- dayconv(ord, day, now)
- int ord, day; time_t now;
- {
- register struct tm *loctime;
- time_t tod;
- time_t daylcorr();
-
- tod = now;
- loctime = localtime(&tod);
- tod += daysec * ((day - loctime->tm_wday + 7) % 7);
- tod += 7*daysec*(ord<=0?ord:ord-1);
- return daylcorr(tod, now);
- }
-
- time_t
- timeconv(hh, mm, ss, mer)
- register int hh, mm, ss, mer;
- {
- if (mm < 0 || mm > 59 || ss < 0 || ss > 59) return (-1);
- switch (mer) {
- case AM: if (hh < 1 || hh > 12) return(-1);
- return (60L * ((hh%12)*60L + mm)+ss);
- case PM: if (hh < 1 || hh > 12) return(-1);
- return (60L * ((hh%12 +12)*60L + mm)+ss);
- case 24: if (hh < 0 || hh > 23) return (-1);
- return (60L * (hh*60L + mm)+ss);
- default: return (-1);
- }
- }
- time_t
- monthadd(sdate, relmonth)
- time_t sdate, relmonth;
- {
- struct tm *ltime;
- time_t dateconv();
- time_t daylcorr();
- int mm, yy;
-
- if (relmonth == 0) return 0;
- ltime = localtime(&sdate);
- mm = 12*ltime->tm_year + ltime->tm_mon + relmonth;
- yy = mm/12;
- mm = mm%12 + 1;
- return daylcorr(dateconv(mm, ltime->tm_mday, yy, ltime->tm_hour,
- ltime->tm_min, ltime->tm_sec, 24, ourzone, MAYBE), sdate);
- }
-
- time_t
- daylcorr(future, now)
- time_t future, now;
- {
- int fdayl, nowdayl;
-
- nowdayl = (localtime(&now)->tm_hour+1) % 24;
- fdayl = (localtime(&future)->tm_hour+1) % 24;
- return (future-now) + 60L*60L*(nowdayl-fdayl);
- }
-
- static char *lptr;
-
- yylex()
- {
- extern int yylval;
- int sign = 0;
- register char c;
- register char *p;
- char idbuf[20];
- int pcnt;
-
- for (;;) {
- while (isspace(*lptr))
- lptr++;
-
- if (isdigit(c = *lptr) || c == '-' || c == '+') {
- if (c== '-' || c == '+') {
- if (c=='-') sign = -1;
- else sign = 1;
- if (!isdigit(*++lptr)) {
- /* yylval = sign; return (UNUMBER); */
- return yylex(); /* skip the '-' sign */
- }
- }
- yylval = 0;
- while (isdigit(c = *lptr++))
- yylval = 10*yylval + c - '0';
- lptr--;
- if (sign < 0)
- yylval = -yylval;
- if (sign != 0)
- return SNUMBER;
- else
- return UNUMBER;
-
- } else if (isalpha(c)) {
- p = idbuf;
- while (isalpha(c = *lptr++) || c=='.')
- if (p < &idbuf[sizeof(idbuf)-1]) *p++ = c;
- *p = '\0';
- lptr--;
- return (lookup(idbuf));
- }
-
- else if (c == '(') {
- pcnt = 0;
- do {
- c = *lptr++;
- if (c == '\0') return(c);
- else if (c == '(') pcnt++;
- else if (c == ')') pcnt--;
- } while (pcnt > 0);
- }
-
- else return (*lptr++);
- }
- }
-
- struct table {
- char *name;
- int type;
- long value;
- };
-
- struct table mdtab[] = {
- {"january", MONTH, 1},
- {"february", MONTH, 2},
- {"march", MONTH, 3},
- {"april", MONTH, 4},
- {"may", MONTH, 5},
- {"june", MONTH, 6},
- {"july", MONTH, 7},
- {"august", MONTH, 8},
- {"september", MONTH, 9},
- {"sept", MONTH, 9},
- {"october", MONTH, 10},
- {"november", MONTH, 11},
- {"december", MONTH, 12},
-
- {"sunday", DAY, 0},
- {"monday", DAY, 1},
- {"tuesday", DAY, 2},
- {"tues", DAY, 2},
- {"wednesday", DAY, 3},
- {"wednes", DAY, 3},
- {"thursday", DAY, 4},
- {"thur", DAY, 4},
- {"thurs", DAY, 4},
- {"friday", DAY, 5},
- {"saturday", DAY, 6},
- {0, 0, 0}};
-
- #define HRS *60
- #define HALFHR 30
- struct table mztab[] = {
- {"a.m.", MERIDIAN, AM},
- {"am", MERIDIAN, AM},
- {"p.m.", MERIDIAN, PM},
- {"pm", MERIDIAN, PM},
- {"nst", ZONE, 3 HRS + HALFHR}, /* Newfoundland */
- {"n.s.t.", ZONE, 3 HRS + HALFHR},
- {"ast", ZONE, 4 HRS}, /* Atlantic */
- {"a.s.t.", ZONE, 4 HRS},
- {"adt", DAYZONE, 4 HRS},
- {"a.d.t.", DAYZONE, 4 HRS},
- {"est", ZONE, 5 HRS}, /* Eastern */
- {"e.s.t.", ZONE, 5 HRS},
- {"edt", DAYZONE, 5 HRS},
- {"e.d.t.", DAYZONE, 5 HRS},
- {"cst", ZONE, 6 HRS}, /* Central */
- {"c.s.t.", ZONE, 6 HRS},
- {"cdt", DAYZONE, 6 HRS},
- {"c.d.t.", DAYZONE, 6 HRS},
- {"mst", ZONE, 7 HRS}, /* Mountain */
- {"m.s.t.", ZONE, 7 HRS},
- {"mdt", DAYZONE, 7 HRS},
- {"m.d.t.", DAYZONE, 7 HRS},
- {"pst", ZONE, 8 HRS}, /* Pacific */
- {"p.s.t.", ZONE, 8 HRS},
- {"pdt", DAYZONE, 8 HRS},
- {"p.d.t.", DAYZONE, 8 HRS},
- {"yst", ZONE, 9 HRS}, /* Yukon */
- {"y.s.t.", ZONE, 9 HRS},
- {"ydt", DAYZONE, 9 HRS},
- {"y.d.t.", DAYZONE, 9 HRS},
- {"hst", ZONE, 10 HRS}, /* Hawaii */
- {"h.s.t.", ZONE, 10 HRS},
- {"hdt", DAYZONE, 10 HRS},
- {"h.d.t.", DAYZONE, 10 HRS},
-
- {"gmt", ZONE, 0 HRS},
- {"g.m.t.", ZONE, 0 HRS},
- {"bst", DAYZONE, 0 HRS}, /* British Summer Time */
- {"b.s.t.", DAYZONE, 0 HRS},
- {"eet", ZONE, 0 HRS}, /* European Eastern Time */
- {"e.e.t.", ZONE, 0 HRS},
- {"eest", DAYZONE, 0 HRS}, /* European Eastern Summer Time */
- {"e.e.s.t.", DAYZONE, 0 HRS},
- {"met", ZONE, -1 HRS}, /* Middle European Time */
- {"m.e.t.", ZONE, -1 HRS},
- {"mest", DAYZONE, -1 HRS}, /* Middle European Summer Time */
- {"m.e.s.t.", DAYZONE, -1 HRS},
- {"wet", ZONE, -2 HRS }, /* Western European Time */
- {"w.e.t.", ZONE, -2 HRS },
- {"west", DAYZONE, -2 HRS}, /* Western European Summer Time */
- {"w.e.s.t.", DAYZONE, -2 HRS},
-
- {"jst", ZONE, -9 HRS}, /* Japan Standard Time */
- {"j.s.t.", ZONE, -9 HRS}, /* Japan Standard Time */
- /* No daylight savings time */
-
- {"aest", ZONE, -10 HRS}, /* Australian Eastern Time */
- {"a.e.s.t.", ZONE, -10 HRS},
- {"aesst", DAYZONE, -10 HRS}, /* Australian Eastern Summer Time */
- {"a.e.s.s.t.", DAYZONE, -10 HRS},
- {"acst", ZONE, -(9 HRS + HALFHR)}, /* Australian Central Time */
- {"a.c.s.t.", ZONE, -(9 HRS + HALFHR)},
- {"acsst", DAYZONE, -(9 HRS + HALFHR)}, /* Australian Central Summer */
- {"a.c.s.s.t.", DAYZONE, -(9 HRS + HALFHR)},
- {"awst", ZONE, -8 HRS}, /* Australian Western Time */
- {"a.w.s.t.", ZONE, -8 HRS}, /* (no daylight time there, I'm told */
- {0, 0, 0}};
-
- struct table unittb[] = {
- {"year", MUNIT, 12},
- {"month", MUNIT, 1},
- {"fortnight", UNIT, 14*24*60},
- {"week", UNIT, 7*24*60},
- {"day", UNIT, 1*24*60},
- {"hour", UNIT, 60},
- {"minute", UNIT, 1},
- {"min", UNIT, 1},
- {"second", SUNIT, 1},
- {"sec", SUNIT, 1},
- {0, 0, 0}};
-
- struct table othertb[] = {
- {"tomorrow", UNIT, 1*24*60},
- {"yesterday", UNIT, -1*24*60},
- {"today", UNIT, 0},
- {"now", UNIT, 0},
- {"last", UNUMBER, -1},
- {"this", UNIT, 0},
- {"next", UNUMBER, 2},
- {"first", UNUMBER, 1},
- /* {"second", UNUMBER, 2}, */
- {"third", UNUMBER, 3},
- {"fourth", UNUMBER, 4},
- {"fifth", UNUMBER, 5},
- {"sixth", UNUMBER, 6},
- {"seventh", UNUMBER, 7},
- {"eighth", UNUMBER, 8},
- {"ninth", UNUMBER, 9},
- {"tenth", UNUMBER, 10},
- {"eleventh", UNUMBER, 11},
- {"twelfth", UNUMBER, 12},
- {"ago", AGO, 1},
- {0, 0, 0}};
-
- struct table milzone[] = {
- {"a", ZONE, 1 HRS},
- {"b", ZONE, 2 HRS},
- {"c", ZONE, 3 HRS},
- {"d", ZONE, 4 HRS},
- {"e", ZONE, 5 HRS},
- {"f", ZONE, 6 HRS},
- {"g", ZONE, 7 HRS},
- {"h", ZONE, 8 HRS},
- {"i", ZONE, 9 HRS},
- {"k", ZONE, 10 HRS},
- {"l", ZONE, 11 HRS},
- {"m", ZONE, 12 HRS},
- {"n", ZONE, -1 HRS},
- {"o", ZONE, -2 HRS},
- {"p", ZONE, -3 HRS},
- {"q", ZONE, -4 HRS},
- {"r", ZONE, -5 HRS},
- {"s", ZONE, -6 HRS},
- {"t", ZONE, -7 HRS},
- {"u", ZONE, -8 HRS},
- {"v", ZONE, -9 HRS},
- {"w", ZONE, -10 HRS},
- {"x", ZONE, -11 HRS},
- {"y", ZONE, -12 HRS},
- {"z", ZONE, 0 HRS},
- {0, 0, 0}};
-
- lookup(id)
- char *id;
- {
- #define gotit (yylval=i->value, i->type)
-
- char idvar[128];
- register char *j, *k;
- register struct table *i;
- int abbrev;
-
- (void) strcpy(idvar, id);
- j = idvar;
- k = id - 1;
- while (*++k)
- *j++ = isupper(*k) ? tolower(*k) : *k;
- *j = '\0';
-
- if (strlen(idvar) == 3)
- abbrev = 1;
- else
- if (strlen(idvar) == 4 && idvar[3] == '.') {
- abbrev = 1;
- idvar[3] = '\0';
- }
- else
- abbrev = 0;
-
- for (i = mdtab; i->name; i++) {
- k = idvar;
- for (j = i->name; *j++ == *k++;) {
- if (abbrev && j == i->name+3)
- return gotit;
- if (j[-1] == 0)
- return gotit;
- }
- }
-
- for (i = mztab; i->name; i++)
- if (strcmp(i->name, idvar) == 0)
- return gotit;
-
- for (i=mztab; i->name; i++)
- if (strcmp(i->name, idvar) == 0)
- return gotit;
-
- for (i=unittb; i->name; i++)
- if (strcmp(i->name, idvar) == 0)
- return gotit;
-
- if (idvar[strlen(idvar)-1] == 's')
- idvar[strlen(idvar)-1] = '\0';
-
- for (i=unittb; i->name; i++)
- if (strcmp(i->name, idvar) == 0)
- return gotit;
-
- for (i = othertb; i->name; i++)
- if (strcmp(i->name, idvar) == 0)
- return gotit;
-
- if (strlen(idvar) == 1 && isalpha(*idvar)) {
- for (i = milzone; i->name; i++)
- if (strcmp(i->name, idvar) == 0)
- return gotit;
- }
-
- return ID;
- }
-
- time_t
- getdate(p, now)
- char *p;
- struct timeb *now;
- {
- #define mcheck(f) if (f>1) err++
- time_t monthadd();
- int err;
- struct tm *lt;
- struct timeb ftz;
-
- time_t sdate, tod;
-
- lptr = p;
- if (now == ((struct timeb *) NULL)) {
- now = &ftz;
- ftime(&ftz);
- }
- lt = localtime(&now->time);
- year = lt->tm_year;
- month = lt->tm_mon+1;
- day = lt->tm_mday;
- relsec = 0; relmonth = 0;
- timeflag=zoneflag=dateflag=dayflag=relflag=0;
- ourzone = now->timezone;
- daylght = MAYBE;
- hh = mm = ss = 0;
- merid = 24;
-
- if (err = yyparse()) return (-1);
-
- mcheck(timeflag);
- mcheck(zoneflag);
- mcheck(dateflag);
- mcheck(dayflag);
-
- if (err) return (-1);
- if (dateflag || timeflag || dayflag) {
- sdate = dateconv(month,day,year,hh,mm,ss,merid,ourzone,daylght);
- if (sdate < 0) return -1;
- }
- else {
- sdate = now->time;
- if (relflag == 0)
- sdate -= (lt->tm_sec + lt->tm_min*60 +
- lt->tm_hour*(60L*60L));
- }
-
- sdate += relsec;
- sdate += monthadd(sdate, relmonth);
-
- if (dayflag && !dateflag) {
- tod = dayconv(dayord, dayreq, sdate);
- sdate += tod;
- }
-
- /*
- ** Have to do *something* with a legitimate -1 so it's distinguishable
- ** from the error return value. (Alternately could set errno on error.)
- */
- return (sdate == -1) ? 0 : sdate;
- }
-
- yyerror(s) char *s;
- {}
- yytabelem yyexca[] ={
- -1, 1,
- 0, -1,
- -2, 0,
- };
- # define YYNPROD 38
- # define YYLAST 223
- yytabelem yyact[]={
-
- 12, 13, 22, 14, 9, 15, 16, 17, 10, 11,
- 42, 18, 41, 20, 29, 30, 31, 43, 44, 38,
- 40, 34, 33, 32, 27, 39, 35, 28, 8, 7,
- 6, 5, 4, 3, 2, 1, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 23, 21, 19, 0, 0, 24, 25,
- 26, 36, 37 };
- yytabelem yypact[]={
-
- -1000, -258, -1000, -1000, -1000, -1000, -1000, -257, -1000, -45,
- -1000, -1000, -238, -17, -249, -1000, -1000, -1000, -1000, -1000,
- -239, -1000, -240, -241, -1000, -1000, -1000, -18, -1000, -1000,
- -1000, -1000, -39, -22, -1000, -242, -1000, -1000, -250, -252,
- -1000, -243, -1000, -1000, -1000 };
- yytabelem yypgo[]={
-
- 0, 35, 34, 33, 32, 31, 30, 29, 28 };
- yytabelem yyr1[]={
-
- 0, 1, 1, 2, 2, 2, 2, 2, 2, 8,
- 3, 3, 3, 3, 3, 3, 3, 4, 4, 6,
- 6, 6, 5, 5, 5, 5, 5, 5, 7, 7,
- 7, 7, 7, 7, 7, 7, 7, 7 };
- yytabelem yyr2[]={
-
- 0, 0, 4, 3, 3, 3, 3, 3, 2, 3,
- 5, 7, 9, 9, 11, 13, 13, 3, 3, 3,
- 5, 5, 7, 11, 5, 9, 5, 7, 5, 5,
- 5, 5, 5, 5, 3, 3, 3, 5 };
- yytabelem yychk[]={
-
- -1000, -1, -2, -3, -4, -5, -6, -7, -8, 262,
- 266, 267, 258, 259, 261, 263, 264, 265, 268, 260,
- 58, 259, 47, 258, 263, 264, 265, 262, 44, 263,
- 264, 265, 262, 262, 262, 44, 260, 261, 58, 47,
- 262, 262, 262, 260, 261 };
- yytabelem yydef[]={
-
- 1, -2, 2, 3, 4, 5, 6, 7, 8, 9,
- 17, 18, 0, 19, 0, 34, 35, 36, 37, 10,
- 0, 21, 0, 26, 29, 31, 33, 24, 20, 28,
- 30, 32, 11, 22, 27, 0, 12, 13, 0, 0,
- 25, 14, 23, 15, 16 };
- typedef struct { char *t_name; int t_val; } yytoktype;
- #ifndef YYDEBUG
- # define YYDEBUG 0 /* don't allow debugging */
- #endif
-
- #if YYDEBUG
-
- yytoktype yytoks[] =
- {
- "ID", 257,
- "MONTH", 258,
- "DAY", 259,
- "MERIDIAN", 260,
- "SNUMBER", 261,
- "UNUMBER", 262,
- "UNIT", 263,
- "MUNIT", 264,
- "SUNIT", 265,
- "ZONE", 266,
- "DAYZONE", 267,
- "AGO", 268,
- "-unknown-", -1 /* ends search */
- };
-
- char * yyreds[] =
- {
- "-no such reduction-",
- "timedate : /* empty */",
- "timedate : timedate item",
- "item : tspec",
- "item : zone",
- "item : dtspec",
- "item : dyspec",
- "item : rspec",
- "item : nspec",
- "nspec : UNUMBER",
- "tspec : UNUMBER MERIDIAN",
- "tspec : UNUMBER ':' UNUMBER",
- "tspec : UNUMBER ':' UNUMBER MERIDIAN",
- "tspec : UNUMBER ':' UNUMBER SNUMBER",
- "tspec : UNUMBER ':' UNUMBER ':' UNUMBER",
- "tspec : UNUMBER ':' UNUMBER ':' UNUMBER MERIDIAN",
- "tspec : UNUMBER ':' UNUMBER ':' UNUMBER SNUMBER",
- "zone : ZONE",
- "zone : DAYZONE",
- "dyspec : DAY",
- "dyspec : DAY ','",
- "dyspec : UNUMBER DAY",
- "dtspec : UNUMBER '/' UNUMBER",
- "dtspec : UNUMBER '/' UNUMBER '/' UNUMBER",
- "dtspec : MONTH UNUMBER",
- "dtspec : MONTH UNUMBER ',' UNUMBER",
- "dtspec : UNUMBER MONTH",
- "dtspec : UNUMBER MONTH UNUMBER",
- "rspec : SNUMBER UNIT",
- "rspec : UNUMBER UNIT",
- "rspec : SNUMBER MUNIT",
- "rspec : UNUMBER MUNIT",
- "rspec : SNUMBER SUNIT",
- "rspec : UNUMBER SUNIT",
- "rspec : UNIT",
- "rspec : MUNIT",
- "rspec : SUNIT",
- "rspec : rspec AGO",
- };
- #endif /* YYDEBUG */
-
- /*
- ** Skeleton parser driver for yacc output
- */
-
- /*
- ** yacc user known macros and defines
- */
- #define YYERROR goto yyerrlab
- #define YYACCEPT return(0)
- #define YYABORT return(1)
- #define YYBACKUP( newtoken, newvalue )\
- {\
- if ( yychar >= 0 || ( yyr2[ yytmp ] >> 1 ) != 1 )\
- {\
- yyerror( "syntax error - cannot backup" );\
- goto yyerrlab;\
- }\
- yychar = newtoken;\
- yystate = *yyps;\
- yylval = newvalue;\
- goto yynewstate;\
- }
- #define YYRECOVERING() (!!yyerrflag)
- #ifndef YYDEBUG
- # define YYDEBUG 1 /* make debugging available */
- #endif
-
- /*
- ** user known globals
- */
- int yydebug; /* set to 1 to get debugging */
-
- /*
- ** driver internal defines
- */
- #define YYFLAG (-1000)
-
- /*
- ** global variables used by the parser
- */
- YYSTYPE yyv[ YYMAXDEPTH ]; /* value stack */
- int yys[ YYMAXDEPTH ]; /* state stack */
-
- YYSTYPE *yypv; /* top of value stack */
- int *yyps; /* top of state stack */
-
- int yystate; /* current state */
- int yytmp; /* extra var (lasts between blocks) */
-
- int yynerrs; /* number of errors */
- int yyerrflag; /* error recovery flag */
- int yychar; /* current input token number */
-
-
-
- /*
- ** yyparse - return 0 if worked, 1 if syntax error not recovered from
- */
- int
- yyparse()
- {
- register YYSTYPE *yypvt; /* top of value stack for $vars */
-
- /*
- ** Initialize externals - yyparse may be called more than once
- */
- yypv = &yyv[-1];
- yyps = &yys[-1];
- yystate = 0;
- yytmp = 0;
- yynerrs = 0;
- yyerrflag = 0;
- yychar = -1;
-
- goto yystack;
- {
- register YYSTYPE *yy_pv; /* top of value stack */
- register int *yy_ps; /* top of state stack */
- register int yy_state; /* current state */
- register int yy_n; /* internal state number info */
-
- /*
- ** get globals into registers.
- ** branch to here only if YYBACKUP was called.
- */
- yynewstate:
- yy_pv = yypv;
- yy_ps = yyps;
- yy_state = yystate;
- goto yy_newstate;
-
- /*
- ** get globals into registers.
- ** either we just started, or we just finished a reduction
- */
- yystack:
- yy_pv = yypv;
- yy_ps = yyps;
- yy_state = yystate;
-
- /*
- ** top of for (;;) loop while no reductions done
- */
- yy_stack:
- /*
- ** put a state and value onto the stacks
- */
- #if YYDEBUG
- /*
- ** if debugging, look up token value in list of value vs.
- ** name pairs. 0 and negative (-1) are special values.
- ** Note: linear search is used since time is not a real
- ** consideration while debugging.
- */
- if ( yydebug )
- {
- register int yy_i;
-
- printf( "State %d, token ", yy_state );
- if ( yychar == 0 )
- printf( "end-of-file\n" );
- else if ( yychar < 0 )
- printf( "-none-\n" );
- else
- {
- for ( yy_i = 0; yytoks[yy_i].t_val >= 0;
- yy_i++ )
- {
- if ( yytoks[yy_i].t_val == yychar )
- break;
- }
- printf( "%s\n", yytoks[yy_i].t_name );
- }
- }
- #endif /* YYDEBUG */
- if ( ++yy_ps >= &yys[ YYMAXDEPTH ] ) /* room on stack? */
- {
- yyerror( "yacc stack overflow" );
- YYABORT;
- }
- *yy_ps = yy_state;
- *++yy_pv = yyval;
-
- /*
- ** we have a new state - find out what to do
- */
- yy_newstate:
- if ( ( yy_n = yypact[ yy_state ] ) <= YYFLAG )
- goto yydefault; /* simple state */
- #if YYDEBUG
- /*
- ** if debugging, need to mark whether new token grabbed
- */
- yytmp = yychar < 0;
- #endif
- if ( ( yychar < 0 ) && ( ( yychar = yylex() ) < 0 ) )
- yychar = 0; /* reached EOF */
- #if YYDEBUG
- if ( yydebug && yytmp )
- {
- register int yy_i;
-
- printf( "Received token " );
- if ( yychar == 0 )
- printf( "end-of-file\n" );
- else if ( yychar < 0 )
- printf( "-none-\n" );
- else
- {
- for ( yy_i = 0; yytoks[yy_i].t_val >= 0;
- yy_i++ )
- {
- if ( yytoks[yy_i].t_val == yychar )
- break;
- }
- printf( "%s\n", yytoks[yy_i].t_name );
- }
- }
- #endif /* YYDEBUG */
- if ( ( ( yy_n += yychar ) < 0 ) || ( yy_n >= YYLAST ) )
- goto yydefault;
- if ( yychk[ yy_n = yyact[ yy_n ] ] == yychar ) /*valid shift*/
- {
- yychar = -1;
- yyval = yylval;
- yy_state = yy_n;
- if ( yyerrflag > 0 )
- yyerrflag--;
- goto yy_stack;
- }
-
- yydefault:
- if ( ( yy_n = yydef[ yy_state ] ) == -2 )
- {
- #if YYDEBUG
- yytmp = yychar < 0;
- #endif
- if ( ( yychar < 0 ) && ( ( yychar = yylex() ) < 0 ) )
- yychar = 0; /* reached EOF */
- #if YYDEBUG
- if ( yydebug && yytmp )
- {
- register int yy_i;
-
- printf( "Received token " );
- if ( yychar == 0 )
- printf( "end-of-file\n" );
- else if ( yychar < 0 )
- printf( "-none-\n" );
- else
- {
- for ( yy_i = 0;
- yytoks[yy_i].t_val >= 0;
- yy_i++ )
- {
- if ( yytoks[yy_i].t_val
- == yychar )
- {
- break;
- }
- }
- printf( "%s\n", yytoks[yy_i].t_name );
- }
- }
- #endif /* YYDEBUG */
- /*
- ** look through exception table
- */
- {
- register int *yyxi = yyexca;
-
- while ( ( *yyxi != -1 ) ||
- ( yyxi[1] != yy_state ) )
- {
- yyxi += 2;
- }
- while ( ( *(yyxi += 2) >= 0 ) &&
- ( *yyxi != yychar ) )
- ;
- if ( ( yy_n = yyxi[1] ) < 0 )
- YYACCEPT;
- }
- }
-
- /*
- ** check for syntax error
- */
- if ( yy_n == 0 ) /* have an error */
- {
- /* no worry about speed here! */
- switch ( yyerrflag )
- {
- case 0: /* new error */
- yyerror( "syntax error" );
- goto skip_init;
- yyerrlab:
- /*
- ** get globals into registers.
- ** we have a user generated syntax type error
- */
- yy_pv = yypv;
- yy_ps = yyps;
- yy_state = yystate;
- yynerrs++;
- skip_init:
- case 1:
- case 2: /* incompletely recovered error */
- /* try again... */
- yyerrflag = 3;
- /*
- ** find state where "error" is a legal
- ** shift action
- */
- while ( yy_ps >= yys )
- {
- yy_n = yypact[ *yy_ps ] + YYERRCODE;
- if ( yy_n >= 0 && yy_n < YYLAST &&
- yychk[yyact[yy_n]] == YYERRCODE) {
- /*
- ** simulate shift of "error"
- */
- yy_state = yyact[ yy_n ];
- goto yy_stack;
- }
- /*
- ** current state has no shift on
- ** "error", pop stack
- */
- #if YYDEBUG
- # define _POP_ "Error recovery pops state %d, uncovers state %d\n"
- if ( yydebug )
- printf( _POP_, *yy_ps,
- yy_ps[-1] );
- # undef _POP_
- #endif
- yy_ps--;
- yy_pv--;
- }
- /*
- ** there is no state on stack with "error" as
- ** a valid shift. give up.
- */
- YYABORT;
- case 3: /* no shift yet; eat a token */
- #if YYDEBUG
- /*
- ** if debugging, look up token in list of
- ** pairs. 0 and negative shouldn't occur,
- ** but since timing doesn't matter when
- ** debugging, it doesn't hurt to leave the
- ** tests here.
- */
- if ( yydebug )
- {
- register int yy_i;
-
- printf( "Error recovery discards " );
- if ( yychar == 0 )
- printf( "token end-of-file\n" );
- else if ( yychar < 0 )
- printf( "token -none-\n" );
- else
- {
- for ( yy_i = 0;
- yytoks[yy_i].t_val >= 0;
- yy_i++ )
- {
- if ( yytoks[yy_i].t_val
- == yychar )
- {
- break;
- }
- }
- printf( "token %s\n",
- yytoks[yy_i].t_name );
- }
- }
- #endif /* YYDEBUG */
- if ( yychar == 0 ) /* reached EOF. quit */
- YYABORT;
- yychar = -1;
- goto yy_newstate;
- }
- }/* end if ( yy_n == 0 ) */
- /*
- ** reduction by production yy_n
- ** put stack tops, etc. so things right after switch
- */
- #if YYDEBUG
- /*
- ** if debugging, print the string that is the user's
- ** specification of the reduction which is just about
- ** to be done.
- */
- if ( yydebug )
- printf( "Reduce by (%d) \"%s\"\n",
- yy_n, yyreds[ yy_n ] );
- #endif
- yytmp = yy_n; /* value to switch over */
- yypvt = yy_pv; /* $vars top of value stack */
- /*
- ** Look in goto table for next state
- ** Sorry about using yy_state here as temporary
- ** register variable, but why not, if it works...
- ** If yyr2[ yy_n ] doesn't have the low order bit
- ** set, then there is no action to be done for
- ** this reduction. So, no saving & unsaving of
- ** registers done. The only difference between the
- ** code just after the if and the body of the if is
- ** the goto yy_stack in the body. This way the test
- ** can be made before the choice of what to do is needed.
- */
- {
- /* length of production doubled with extra bit */
- register int yy_len = yyr2[ yy_n ];
-
- if ( !( yy_len & 01 ) )
- {
- yy_len >>= 1;
- yyval = ( yy_pv -= yy_len )[1]; /* $$ = $1 */
- yy_state = yypgo[ yy_n = yyr1[ yy_n ] ] +
- *( yy_ps -= yy_len ) + 1;
- if ( yy_state >= YYLAST ||
- yychk[ yy_state =
- yyact[ yy_state ] ] != -yy_n )
- {
- yy_state = yyact[ yypgo[ yy_n ] ];
- }
- goto yy_stack;
- }
- yy_len >>= 1;
- yyval = ( yy_pv -= yy_len )[1]; /* $$ = $1 */
- yy_state = yypgo[ yy_n = yyr1[ yy_n ] ] +
- *( yy_ps -= yy_len ) + 1;
- if ( yy_state >= YYLAST ||
- yychk[ yy_state = yyact[ yy_state ] ] != -yy_n )
- {
- yy_state = yyact[ yypgo[ yy_n ] ];
- }
- }
- /* save until reenter driver code */
- yystate = yy_state;
- yyps = yy_ps;
- yypv = yy_pv;
- }
- /*
- ** code supplied by user is placed in this switch
- */
- switch( yytmp )
- {
-
- case 3:
- # line 48 "getdate.y"
-
- {timeflag++;} break;
- case 4:
- # line 50 "getdate.y"
-
- {zoneflag++;} break;
- case 5:
- # line 52 "getdate.y"
-
- {dateflag++;} break;
- case 6:
- # line 54 "getdate.y"
-
- {dayflag++;} break;
- case 7:
- # line 56 "getdate.y"
-
- {relflag++;} break;
- case 9:
- # line 60 "getdate.y"
-
- {if (timeflag && dateflag && !relflag) year = yypvt[-0];
- else {timeflag++;hh = yypvt[-0]/100;mm = yypvt[-0]%100;ss = 0;merid = 24;}} break;
- case 10:
- # line 64 "getdate.y"
-
- {hh = yypvt[-1]; mm = 0; ss = 0; merid = yypvt[-0];} break;
- case 11:
- # line 66 "getdate.y"
-
- {hh = yypvt[-2]; mm = yypvt[-0]; merid = 24;} break;
- case 12:
- # line 68 "getdate.y"
-
- {hh = yypvt[-3]; mm = yypvt[-1]; merid = yypvt[-0];} break;
- case 13:
- # line 70 "getdate.y"
-
- {hh = yypvt[-3]; mm = yypvt[-1]; merid = 24;
- daylght = STANDARD; ourzone = -(yypvt[-0]%100 + 60*(yypvt[-0]/100));} break;
- case 14:
- # line 73 "getdate.y"
-
- {hh = yypvt[-4]; mm = yypvt[-2]; ss = yypvt[-0]; merid = 24;} break;
- case 15:
- # line 75 "getdate.y"
-
- {hh = yypvt[-5]; mm = yypvt[-3]; ss = yypvt[-1]; merid = yypvt[-0];} break;
- case 16:
- # line 77 "getdate.y"
-
- {hh = yypvt[-5]; mm = yypvt[-3]; ss = yypvt[-1]; merid = 24;
- daylght = STANDARD; ourzone = -(yypvt[-0]%100 + 60*(yypvt[-0]/100));} break;
- case 17:
- # line 81 "getdate.y"
-
- {ourzone = yypvt[-0]; daylght = STANDARD;} break;
- case 18:
- # line 83 "getdate.y"
-
- {ourzone = yypvt[-0]; daylght = DAYLIGHT;} break;
- case 19:
- # line 86 "getdate.y"
-
- {dayord = 1; dayreq = yypvt[-0];} break;
- case 20:
- # line 88 "getdate.y"
-
- {dayord = 1; dayreq = yypvt[-1];} break;
- case 21:
- # line 90 "getdate.y"
-
- {dayord = yypvt[-1]; dayreq = yypvt[-0];} break;
- case 22:
- # line 93 "getdate.y"
-
- {month = yypvt[-2]; day = yypvt[-0];} break;
- case 23:
- # line 95 "getdate.y"
-
- {month = yypvt[-4]; day = yypvt[-2]; year = yypvt[-0];} break;
- case 24:
- # line 97 "getdate.y"
-
- {month = yypvt[-1]; day = yypvt[-0];} break;
- case 25:
- # line 99 "getdate.y"
-
- {month = yypvt[-3]; day = yypvt[-2]; year = yypvt[-0];} break;
- case 26:
- # line 101 "getdate.y"
-
- {month = yypvt[-0]; day = yypvt[-1];} break;
- case 27:
- # line 103 "getdate.y"
-
- {month = yypvt[-1]; day = yypvt[-2]; year = yypvt[-0];} break;
- case 28:
- # line 106 "getdate.y"
-
- {relsec += 60L * yypvt[-1] * yypvt[-0];} break;
- case 29:
- # line 108 "getdate.y"
-
- {relsec += 60L * yypvt[-1] * yypvt[-0];} break;
- case 30:
- # line 110 "getdate.y"
-
- {relmonth += yypvt[-1] * yypvt[-0];} break;
- case 31:
- # line 112 "getdate.y"
-
- {relmonth += yypvt[-1] * yypvt[-0];} break;
- case 32:
- # line 114 "getdate.y"
-
- {relsec += yypvt[-1];} break;
- case 33:
- # line 116 "getdate.y"
-
- {relsec += yypvt[-1];} break;
- case 34:
- # line 118 "getdate.y"
-
- {relsec += 60L * yypvt[-0];} break;
- case 35:
- # line 120 "getdate.y"
-
- {relmonth += yypvt[-0];} break;
- case 36:
- # line 122 "getdate.y"
-
- {relsec++;} break;
- case 37:
- # line 124 "getdate.y"
-
- {relsec = -relsec; relmonth = -relmonth;} break;
- }
- goto yystack; /* reset registers in driver code */
- }