Annotation of embedaddon/sudo/plugins/sudoers/getdate.c, revision 1.1.1.1
1.1 misho 1: #include <config.h>
2: #include <stdlib.h>
3: #include <string.h>
4: #define YYBYACC 1
5: #define YYMAJOR 1
6: #define YYMINOR 9
7: #define YYLEX yylex()
8: #define YYEMPTY -1
9: #define yyclearin (yychar=(YYEMPTY))
10: #define yyerrok (yyerrflag=0)
11: #define YYRECOVERING() (yyerrflag!=0)
12: #define YYPREFIX "yy"
13: #line 2 "getdate.y"
14: /*
15: ** Originally written by Steven M. Bellovin <smb@research.att.com> while
16: ** at the University of North Carolina at Chapel Hill. Later tweaked by
17: ** a couple of people on Usenet. Completely overhauled by Rich $alz
18: ** <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990;
19: **
20: ** This grammar has 10 shift/reduce conflicts.
21: **
22: ** This code is in the public domain and has no copyright.
23: */
24: /* SUPPRESS 287 on yaccpar_sccsid *//* Unused static variable */
25: /* SUPPRESS 288 on yyerrlab *//* Label unused */
26:
27: #include <config.h>
28:
29: #include <sys/types.h>
30: #include <sys/time.h>
31: #include <stdio.h>
32: #ifdef STDC_HEADERS
33: # include <stdlib.h>
34: # include <stddef.h>
35: #else
36: # ifdef HAVE_STDLIB_H
37: # include <stdlib.h>
38: # endif
39: #endif /* STDC_HEADERS */
40: #ifdef HAVE_STRING_H
41: # if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
42: # include <memory.h>
43: # endif
44: # include <string.h>
45: #endif /* HAVE_STRING_H */
46: #ifdef HAVE_STRINGS_H
47: # include <strings.h>
48: #endif /* HAVE_STRINGS_H */
49: #if TIME_WITH_SYS_TIME
50: # include <time.h>
51: #endif
52: #include <ctype.h>
53:
54: #include "missing.h"
55:
56:
57: #define EPOCH 1970
58: #define HOUR(x) ((time_t)(x) * 60)
59: #define SECSPERDAY (24L * 60L * 60L)
60:
61:
62: /*
63: ** An entry in the lexical lookup table.
64: */
65: typedef struct _TABLE {
66: char *name;
67: int type;
68: time_t value;
69: } TABLE;
70:
71:
72: /*
73: ** Daylight-savings mode: on, off, or not yet known.
74: */
75: typedef enum _DSTMODE {
76: DSTon, DSToff, DSTmaybe
77: } DSTMODE;
78:
79: /*
80: ** Meridian: am, pm, or 24-hour style.
81: */
82: typedef enum _MERIDIAN {
83: MERam, MERpm, MER24
84: } MERIDIAN;
85:
86:
87: /*
88: ** Global variables. We could get rid of most of these by using a good
89: ** union as the yacc stack. (This routine was originally written before
90: ** yacc had the %union construct.) Maybe someday; right now we only use
91: ** the %union very rarely.
92: */
93: static char *yyInput;
94: static DSTMODE yyDSTmode;
95: static time_t yyDayOrdinal;
96: static time_t yyDayNumber;
97: static int yyHaveDate;
98: static int yyHaveDay;
99: static int yyHaveRel;
100: static int yyHaveTime;
101: static int yyHaveZone;
102: static time_t yyTimezone;
103: static time_t yyDay;
104: static time_t yyHour;
105: static time_t yyMinutes;
106: static time_t yyMonth;
107: static time_t yySeconds;
108: static time_t yyYear;
109: static MERIDIAN yyMeridian;
110: static time_t yyRelMonth;
111: static time_t yyRelSeconds;
112:
113: static int yyerror(char *s);
114: static int yylex(void);
115: int yyparse(void);
116:
117: #line 107 "getdate.y"
118: #ifndef YYSTYPE_DEFINED
119: #define YYSTYPE_DEFINED
120: typedef union {
121: time_t Number;
122: enum _MERIDIAN Meridian;
123: } YYSTYPE;
124: #endif /* YYSTYPE_DEFINED */
125: #line 125 "y.tab.c"
126: #define tAGO 257
127: #define tDAY 258
128: #define tDAYZONE 259
129: #define tID 260
130: #define tMERIDIAN 261
131: #define tMINUTE_UNIT 262
132: #define tMONTH 263
133: #define tMONTH_UNIT 264
134: #define tSEC_UNIT 265
135: #define tSNUMBER 266
136: #define tUNUMBER 267
137: #define tZONE 268
138: #define tDST 269
139: #define YYERRCODE 256
140: #if defined(__cplusplus) || defined(__STDC__)
141: const short yylhs[] =
142: #else
143: short yylhs[] =
144: #endif
145: { -1,
146: 0, 0, 2, 2, 2, 2, 2, 2, 3, 3,
147: 3, 3, 3, 4, 4, 4, 6, 6, 6, 5,
148: 5, 5, 5, 5, 5, 5, 5, 7, 7, 9,
149: 9, 9, 9, 9, 9, 9, 9, 9, 8, 1,
150: 1,
151: };
152: #if defined(__cplusplus) || defined(__STDC__)
153: const short yylen[] =
154: #else
155: short yylen[] =
156: #endif
157: { 2,
158: 0, 2, 1, 1, 1, 1, 1, 1, 2, 4,
159: 4, 6, 6, 1, 1, 2, 1, 2, 2, 3,
160: 5, 3, 3, 2, 4, 2, 3, 2, 1, 2,
161: 2, 1, 2, 2, 1, 2, 2, 1, 1, 0,
162: 1,
163: };
164: #if defined(__cplusplus) || defined(__STDC__)
165: const short yydefred[] =
166: #else
167: short yydefred[] =
168: #endif
169: { 1,
170: 0, 0, 15, 32, 0, 38, 35, 0, 0, 0,
171: 2, 3, 4, 5, 6, 7, 8, 0, 18, 0,
172: 31, 36, 33, 19, 9, 30, 0, 37, 34, 0,
173: 0, 0, 16, 28, 0, 23, 27, 22, 0, 0,
174: 25, 41, 11, 0, 10, 0, 0, 21, 13, 12,
175: };
176: #if defined(__cplusplus) || defined(__STDC__)
177: const short yydgoto[] =
178: #else
179: short yydgoto[] =
180: #endif
181: { 1,
182: 45, 11, 12, 13, 14, 15, 16, 17, 18,
183: };
184: #if defined(__cplusplus) || defined(__STDC__)
185: const short yysindex[] =
186: #else
187: short yysindex[] =
188: #endif
189: { 0,
190: -249, -38, 0, 0, -260, 0, 0, -240, -47, -248,
191: 0, 0, 0, 0, 0, 0, 0, -237, 0, -18,
192: 0, 0, 0, 0, 0, 0, -262, 0, 0, -239,
193: -238, -236, 0, 0, -235, 0, 0, 0, -56, -19,
194: 0, 0, 0, -234, 0, -232, -258, 0, 0, 0,};
195: #if defined(__cplusplus) || defined(__STDC__)
196: const short yyrindex[] =
197: #else
198: short yyrindex[] =
199: #endif
200: { 0,
201: 0, 1, 0, 0, 0, 0, 0, 0, 69, 12,
202: 0, 0, 0, 0, 0, 0, 0, 23, 0, 34,
203: 0, 0, 0, 0, 0, 0, 67, 0, 0, 0,
204: 0, 0, 0, 0, 0, 0, 0, 0, 56, 45,
205: 0, 0, 0, 0, 0, 0, 56, 0, 0, 0,};
206: #if defined(__cplusplus) || defined(__STDC__)
207: const short yygindex[] =
208: #else
209: short yygindex[] =
210: #endif
211: { 0,
212: -17, 0, 0, 0, 0, 0, 0, 0, 0,
213: };
214: #define YYTABLESIZE 337
215: #if defined(__cplusplus) || defined(__STDC__)
216: const short yytable[] =
217: #else
218: short yytable[] =
219: #endif
220: { 32,
221: 17, 44, 42, 36, 37, 19, 20, 49, 2, 3,
222: 31, 14, 4, 5, 6, 7, 8, 9, 10, 34,
223: 33, 21, 29, 22, 23, 35, 38, 46, 39, 50,
224: 40, 41, 47, 24, 48, 0, 0, 0, 0, 0,
225: 0, 0, 0, 0, 20, 0, 0, 0, 0, 0,
226: 0, 0, 0, 0, 0, 40, 0, 0, 0, 0,
227: 0, 0, 0, 0, 0, 0, 26, 0, 39, 0,
228: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
229: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
230: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
231: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
232: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
233: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
234: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
235: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
236: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
237: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
238: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
239: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
240: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
241: 0, 0, 0, 0, 42, 0, 0, 0, 0, 43,
242: 24, 0, 0, 25, 26, 27, 28, 29, 30, 0,
243: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
244: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
245: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
246: 0, 0, 0, 0, 0, 0, 0, 0, 17, 17,
247: 0, 0, 17, 17, 17, 17, 17, 17, 17, 14,
248: 14, 0, 0, 14, 14, 14, 14, 14, 14, 14,
249: 29, 29, 0, 0, 29, 29, 29, 29, 29, 29,
250: 29, 24, 24, 0, 0, 24, 24, 24, 24, 24,
251: 24, 24, 20, 20, 0, 0, 20, 20, 20, 20,
252: 20, 20, 20, 40, 40, 0, 0, 40, 40, 40,
253: 40, 0, 40, 40, 26, 26, 0, 39, 26, 26,
254: 26, 26, 0, 0, 26, 39, 39,
255: };
256: #if defined(__cplusplus) || defined(__STDC__)
257: const short yycheck[] =
258: #else
259: short yycheck[] =
260: #endif
261: { 47,
262: 0, 58, 261, 266, 267, 44, 267, 266, 258, 259,
263: 58, 0, 262, 263, 264, 265, 266, 267, 268, 257,
264: 269, 262, 0, 264, 265, 44, 266, 47, 267, 47,
265: 267, 267, 267, 0, 267, -1, -1, -1, -1, -1,
266: -1, -1, -1, -1, 0, -1, -1, -1, -1, -1,
267: -1, -1, -1, -1, -1, 0, -1, -1, -1, -1,
268: -1, -1, -1, -1, -1, -1, 0, -1, 0, -1,
269: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
270: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
271: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
272: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
273: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
274: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
275: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
276: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
277: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
278: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
279: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
280: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
281: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
282: -1, -1, -1, -1, 261, -1, -1, -1, -1, 266,
283: 258, -1, -1, 261, 262, 263, 264, 265, 266, -1,
284: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
285: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
286: -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
287: -1, -1, -1, -1, -1, -1, -1, -1, 258, 259,
288: -1, -1, 262, 263, 264, 265, 266, 267, 268, 258,
289: 259, -1, -1, 262, 263, 264, 265, 266, 267, 268,
290: 258, 259, -1, -1, 262, 263, 264, 265, 266, 267,
291: 268, 258, 259, -1, -1, 262, 263, 264, 265, 266,
292: 267, 268, 258, 259, -1, -1, 262, 263, 264, 265,
293: 266, 267, 268, 258, 259, -1, -1, 262, 263, 264,
294: 265, -1, 267, 268, 258, 259, -1, 259, 262, 263,
295: 264, 265, -1, -1, 268, 267, 268,
296: };
297: #define YYFINAL 1
298: #ifndef YYDEBUG
299: #define YYDEBUG 0
300: #endif
301: #define YYMAXTOKEN 269
302: #if YYDEBUG
303: #if defined(__cplusplus) || defined(__STDC__)
304: const char * const yyname[] =
305: #else
306: char *yyname[] =
307: #endif
308: {
309: "end-of-file",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,
310: 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,
311: 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,
312: 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,
313: 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,
314: 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,
315: 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,"tAGO","tDAY",
316: "tDAYZONE","tID","tMERIDIAN","tMINUTE_UNIT","tMONTH","tMONTH_UNIT","tSEC_UNIT",
317: "tSNUMBER","tUNUMBER","tZONE","tDST",
318: };
319: #if defined(__cplusplus) || defined(__STDC__)
320: const char * const yyrule[] =
321: #else
322: char *yyrule[] =
323: #endif
324: {"$accept : spec",
325: "spec :",
326: "spec : spec item",
327: "item : time",
328: "item : zone",
329: "item : date",
330: "item : day",
331: "item : rel",
332: "item : number",
333: "time : tUNUMBER tMERIDIAN",
334: "time : tUNUMBER ':' tUNUMBER o_merid",
335: "time : tUNUMBER ':' tUNUMBER tSNUMBER",
336: "time : tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid",
337: "time : tUNUMBER ':' tUNUMBER ':' tUNUMBER tSNUMBER",
338: "zone : tZONE",
339: "zone : tDAYZONE",
340: "zone : tZONE tDST",
341: "day : tDAY",
342: "day : tDAY ','",
343: "day : tUNUMBER tDAY",
344: "date : tUNUMBER '/' tUNUMBER",
345: "date : tUNUMBER '/' tUNUMBER '/' tUNUMBER",
346: "date : tUNUMBER tSNUMBER tSNUMBER",
347: "date : tUNUMBER tMONTH tSNUMBER",
348: "date : tMONTH tUNUMBER",
349: "date : tMONTH tUNUMBER ',' tUNUMBER",
350: "date : tUNUMBER tMONTH",
351: "date : tUNUMBER tMONTH tUNUMBER",
352: "rel : relunit tAGO",
353: "rel : relunit",
354: "relunit : tUNUMBER tMINUTE_UNIT",
355: "relunit : tSNUMBER tMINUTE_UNIT",
356: "relunit : tMINUTE_UNIT",
357: "relunit : tSNUMBER tSEC_UNIT",
358: "relunit : tUNUMBER tSEC_UNIT",
359: "relunit : tSEC_UNIT",
360: "relunit : tSNUMBER tMONTH_UNIT",
361: "relunit : tUNUMBER tMONTH_UNIT",
362: "relunit : tMONTH_UNIT",
363: "number : tUNUMBER",
364: "o_merid :",
365: "o_merid : tMERIDIAN",
366: };
367: #endif
368: #ifdef YYSTACKSIZE
369: #undef YYMAXDEPTH
370: #define YYMAXDEPTH YYSTACKSIZE
371: #else
372: #ifdef YYMAXDEPTH
373: #define YYSTACKSIZE YYMAXDEPTH
374: #else
375: #define YYSTACKSIZE 10000
376: #define YYMAXDEPTH 10000
377: #endif
378: #endif
379: #define YYINITSTACKSIZE 200
380: /* LINTUSED */
381: int yydebug;
382: int yynerrs;
383: int yyerrflag;
384: int yychar;
385: short *yyssp;
386: YYSTYPE *yyvsp;
387: YYSTYPE yyval;
388: YYSTYPE yylval;
389: short *yyss;
390: short *yysslim;
391: YYSTYPE *yyvs;
392: int yystacksize;
393: #line 326 "getdate.y"
394:
395: /* Month and day table. */
396: static TABLE const MonthDayTable[] = {
397: { "january", tMONTH, 1 },
398: { "february", tMONTH, 2 },
399: { "march", tMONTH, 3 },
400: { "april", tMONTH, 4 },
401: { "may", tMONTH, 5 },
402: { "june", tMONTH, 6 },
403: { "july", tMONTH, 7 },
404: { "august", tMONTH, 8 },
405: { "september", tMONTH, 9 },
406: { "sept", tMONTH, 9 },
407: { "october", tMONTH, 10 },
408: { "november", tMONTH, 11 },
409: { "december", tMONTH, 12 },
410: { "sunday", tDAY, 0 },
411: { "monday", tDAY, 1 },
412: { "tuesday", tDAY, 2 },
413: { "tues", tDAY, 2 },
414: { "wednesday", tDAY, 3 },
415: { "wednes", tDAY, 3 },
416: { "thursday", tDAY, 4 },
417: { "thur", tDAY, 4 },
418: { "thurs", tDAY, 4 },
419: { "friday", tDAY, 5 },
420: { "saturday", tDAY, 6 },
421: { NULL }
422: };
423:
424: /* Time units table. */
425: static TABLE const UnitsTable[] = {
426: { "year", tMONTH_UNIT, 12 },
427: { "month", tMONTH_UNIT, 1 },
428: { "fortnight", tMINUTE_UNIT, 14 * 24 * 60 },
429: { "week", tMINUTE_UNIT, 7 * 24 * 60 },
430: { "day", tMINUTE_UNIT, 1 * 24 * 60 },
431: { "hour", tMINUTE_UNIT, 60 },
432: { "minute", tMINUTE_UNIT, 1 },
433: { "min", tMINUTE_UNIT, 1 },
434: { "second", tSEC_UNIT, 1 },
435: { "sec", tSEC_UNIT, 1 },
436: { NULL }
437: };
438:
439: /* Assorted relative-time words. */
440: static TABLE const OtherTable[] = {
441: { "tomorrow", tMINUTE_UNIT, 1 * 24 * 60 },
442: { "yesterday", tMINUTE_UNIT, -1 * 24 * 60 },
443: { "today", tMINUTE_UNIT, 0 },
444: { "now", tMINUTE_UNIT, 0 },
445: { "last", tUNUMBER, -1 },
446: { "this", tMINUTE_UNIT, 0 },
447: { "next", tUNUMBER, 2 },
448: { "first", tUNUMBER, 1 },
449: /* { "second", tUNUMBER, 2 }, */
450: { "third", tUNUMBER, 3 },
451: { "fourth", tUNUMBER, 4 },
452: { "fifth", tUNUMBER, 5 },
453: { "sixth", tUNUMBER, 6 },
454: { "seventh", tUNUMBER, 7 },
455: { "eighth", tUNUMBER, 8 },
456: { "ninth", tUNUMBER, 9 },
457: { "tenth", tUNUMBER, 10 },
458: { "eleventh", tUNUMBER, 11 },
459: { "twelfth", tUNUMBER, 12 },
460: { "ago", tAGO, 1 },
461: { NULL }
462: };
463:
464: /* The timezone table. */
465: /* Some of these are commented out because a time_t can't store a float. */
466: static TABLE const TimezoneTable[] = {
467: { "gmt", tZONE, HOUR( 0) }, /* Greenwich Mean */
468: { "ut", tZONE, HOUR( 0) }, /* Universal (Coordinated) */
469: { "utc", tZONE, HOUR( 0) },
470: { "wet", tZONE, HOUR( 0) }, /* Western European */
471: { "bst", tDAYZONE, HOUR( 0) }, /* British Summer */
472: { "wat", tZONE, HOUR( 1) }, /* West Africa */
473: { "at", tZONE, HOUR( 2) }, /* Azores */
474: #if 0
475: /* For completeness. BST is also British Summer, and GST is
476: * also Guam Standard. */
477: { "bst", tZONE, HOUR( 3) }, /* Brazil Standard */
478: { "gst", tZONE, HOUR( 3) }, /* Greenland Standard */
479: #endif
480: #if 0
481: { "nft", tZONE, HOUR(3.5) }, /* Newfoundland */
482: { "nst", tZONE, HOUR(3.5) }, /* Newfoundland Standard */
483: { "ndt", tDAYZONE, HOUR(3.5) }, /* Newfoundland Daylight */
484: #endif
485: { "ast", tZONE, HOUR( 4) }, /* Atlantic Standard */
486: { "adt", tDAYZONE, HOUR( 4) }, /* Atlantic Daylight */
487: { "est", tZONE, HOUR( 5) }, /* Eastern Standard */
488: { "edt", tDAYZONE, HOUR( 5) }, /* Eastern Daylight */
489: { "cst", tZONE, HOUR( 6) }, /* Central Standard */
490: { "cdt", tDAYZONE, HOUR( 6) }, /* Central Daylight */
491: { "mst", tZONE, HOUR( 7) }, /* Mountain Standard */
492: { "mdt", tDAYZONE, HOUR( 7) }, /* Mountain Daylight */
493: { "pst", tZONE, HOUR( 8) }, /* Pacific Standard */
494: { "pdt", tDAYZONE, HOUR( 8) }, /* Pacific Daylight */
495: { "yst", tZONE, HOUR( 9) }, /* Yukon Standard */
496: { "ydt", tDAYZONE, HOUR( 9) }, /* Yukon Daylight */
497: { "hst", tZONE, HOUR(10) }, /* Hawaii Standard */
498: { "hdt", tDAYZONE, HOUR(10) }, /* Hawaii Daylight */
499: { "cat", tZONE, HOUR(10) }, /* Central Alaska */
500: { "ahst", tZONE, HOUR(10) }, /* Alaska-Hawaii Standard */
501: { "nt", tZONE, HOUR(11) }, /* Nome */
502: { "idlw", tZONE, HOUR(12) }, /* International Date Line West */
503: { "cet", tZONE, -HOUR(1) }, /* Central European */
504: { "met", tZONE, -HOUR(1) }, /* Middle European */
505: { "mewt", tZONE, -HOUR(1) }, /* Middle European Winter */
506: { "mest", tDAYZONE, -HOUR(1) }, /* Middle European Summer */
507: { "swt", tZONE, -HOUR(1) }, /* Swedish Winter */
508: { "sst", tDAYZONE, -HOUR(1) }, /* Swedish Summer */
509: { "fwt", tZONE, -HOUR(1) }, /* French Winter */
510: { "fst", tDAYZONE, -HOUR(1) }, /* French Summer */
511: { "eet", tZONE, -HOUR(2) }, /* Eastern Europe, USSR Zone 1 */
512: { "bt", tZONE, -HOUR(3) }, /* Baghdad, USSR Zone 2 */
513: #if 0
514: { "it", tZONE, -HOUR(3.5) },/* Iran */
515: #endif
516: { "zp4", tZONE, -HOUR(4) }, /* USSR Zone 3 */
517: { "zp5", tZONE, -HOUR(5) }, /* USSR Zone 4 */
518: #if 0
519: { "ist", tZONE, -HOUR(5.5) },/* Indian Standard */
520: #endif
521: { "zp6", tZONE, -HOUR(6) }, /* USSR Zone 5 */
522: #if 0
523: /* For completeness. NST is also Newfoundland Stanard, and SST is
524: * also Swedish Summer. */
525: { "nst", tZONE, -HOUR(6.5) },/* North Sumatra */
526: { "sst", tZONE, -HOUR(7) }, /* South Sumatra, USSR Zone 6 */
527: #endif /* 0 */
528: { "wast", tZONE, -HOUR(7) }, /* West Australian Standard */
529: { "wadt", tDAYZONE, -HOUR(7) }, /* West Australian Daylight */
530: #if 0
531: { "jt", tZONE, -HOUR(7.5) },/* Java (3pm in Cronusland!) */
532: #endif
533: { "cct", tZONE, -HOUR(8) }, /* China Coast, USSR Zone 7 */
534: { "jst", tZONE, -HOUR(9) }, /* Japan Standard, USSR Zone 8 */
535: #if 0
536: { "cast", tZONE, -HOUR(9.5) },/* Central Australian Standard */
537: { "cadt", tDAYZONE, -HOUR(9.5) },/* Central Australian Daylight */
538: #endif
539: { "east", tZONE, -HOUR(10) }, /* Eastern Australian Standard */
540: { "eadt", tDAYZONE, -HOUR(10) }, /* Eastern Australian Daylight */
541: { "gst", tZONE, -HOUR(10) }, /* Guam Standard, USSR Zone 9 */
542: { "nzt", tZONE, -HOUR(12) }, /* New Zealand */
543: { "nzst", tZONE, -HOUR(12) }, /* New Zealand Standard */
544: { "nzdt", tDAYZONE, -HOUR(12) }, /* New Zealand Daylight */
545: { "idle", tZONE, -HOUR(12) }, /* International Date Line East */
546: { NULL }
547: };
548:
549: /* Military timezone table. */
550: static TABLE const MilitaryTable[] = {
551: { "a", tZONE, HOUR( 1) },
552: { "b", tZONE, HOUR( 2) },
553: { "c", tZONE, HOUR( 3) },
554: { "d", tZONE, HOUR( 4) },
555: { "e", tZONE, HOUR( 5) },
556: { "f", tZONE, HOUR( 6) },
557: { "g", tZONE, HOUR( 7) },
558: { "h", tZONE, HOUR( 8) },
559: { "i", tZONE, HOUR( 9) },
560: { "k", tZONE, HOUR( 10) },
561: { "l", tZONE, HOUR( 11) },
562: { "m", tZONE, HOUR( 12) },
563: { "n", tZONE, HOUR(- 1) },
564: { "o", tZONE, HOUR(- 2) },
565: { "p", tZONE, HOUR(- 3) },
566: { "q", tZONE, HOUR(- 4) },
567: { "r", tZONE, HOUR(- 5) },
568: { "s", tZONE, HOUR(- 6) },
569: { "t", tZONE, HOUR(- 7) },
570: { "u", tZONE, HOUR(- 8) },
571: { "v", tZONE, HOUR(- 9) },
572: { "w", tZONE, HOUR(-10) },
573: { "x", tZONE, HOUR(-11) },
574: { "y", tZONE, HOUR(-12) },
575: { "z", tZONE, HOUR( 0) },
576: { NULL }
577: };
578:
579:
580:
581:
582: /* ARGSUSED */
583: static int
584: yyerror(s)
585: char *s;
586: {
587: return 0;
588: }
589:
590:
591: static time_t
592: ToSeconds(Hours, Minutes, Seconds, Meridian)
593: time_t Hours;
594: time_t Minutes;
595: time_t Seconds;
596: MERIDIAN Meridian;
597: {
598: if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 59)
599: return -1;
600: switch (Meridian) {
601: case MER24:
602: if (Hours < 0 || Hours > 23)
603: return -1;
604: return (Hours * 60L + Minutes) * 60L + Seconds;
605: case MERam:
606: if (Hours < 1 || Hours > 12)
607: return -1;
608: if (Hours == 12)
609: Hours = 0;
610: return (Hours * 60L + Minutes) * 60L + Seconds;
611: case MERpm:
612: if (Hours < 1 || Hours > 12)
613: return -1;
614: if (Hours == 12)
615: Hours = 0;
616: return ((Hours + 12) * 60L + Minutes) * 60L + Seconds;
617: default:
618: abort ();
619: }
620: /* NOTREACHED */
621: }
622:
623:
624: /* Year is either
625: * A negative number, which means to use its absolute value (why?)
626: * A number from 0 to 99, which means a year from 1900 to 1999, or
627: * The actual year (>=100). */
628: static time_t
629: Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, DSTmode)
630: time_t Month;
631: time_t Day;
632: time_t Year;
633: time_t Hours;
634: time_t Minutes;
635: time_t Seconds;
636: MERIDIAN Meridian;
637: DSTMODE DSTmode;
638: {
639: static int DaysInMonth[12] = {
640: 31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
641: };
642: time_t tod;
643: time_t Julian;
644: int i;
645:
646: if (Year < 0)
647: Year = -Year;
648: if (Year < 69)
649: Year += 2000;
650: else if (Year < 100) {
651: Year += 1900;
652: if (Year < EPOCH)
653: Year += 100;
654: }
655: DaysInMonth[1] = Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0)
656: ? 29 : 28;
657: /* Checking for 2038 bogusly assumes that time_t is 32 bits. But
658: I'm too lazy to try to check for time_t overflow in another way. */
659: if (Year < EPOCH || Year > 2038
660: || Month < 1 || Month > 12
661: /* Lint fluff: "conversion from long may lose accuracy" */
662: || Day < 1 || Day > DaysInMonth[(int)--Month])
663: return -1;
664:
665: for (Julian = Day - 1, i = 0; i < Month; i++)
666: Julian += DaysInMonth[i];
667: for (i = EPOCH; i < Year; i++)
668: Julian += 365 + (i % 4 == 0);
669: Julian *= SECSPERDAY;
670: Julian += yyTimezone * 60L;
671: if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0)
672: return -1;
673: Julian += tod;
674: if (DSTmode == DSTon
675: || (DSTmode == DSTmaybe && localtime(&Julian)->tm_isdst))
676: Julian -= 60 * 60;
677: return Julian;
678: }
679:
680:
681: static time_t
682: DSTcorrect(Start, Future)
683: time_t Start;
684: time_t Future;
685: {
686: time_t StartDay;
687: time_t FutureDay;
688:
689: StartDay = (localtime(&Start)->tm_hour + 1) % 24;
690: FutureDay = (localtime(&Future)->tm_hour + 1) % 24;
691: return (Future - Start) + (StartDay - FutureDay) * 60L * 60L;
692: }
693:
694:
695: static time_t
696: RelativeDate(Start, DayOrdinal, DayNumber)
697: time_t Start;
698: time_t DayOrdinal;
699: time_t DayNumber;
700: {
701: struct tm *tm;
702: time_t now;
703:
704: now = Start;
705: tm = localtime(&now);
706: now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7);
707: now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1);
708: return DSTcorrect(Start, now);
709: }
710:
711:
712: static time_t
713: RelativeMonth(Start, RelMonth)
714: time_t Start;
715: time_t RelMonth;
716: {
717: struct tm *tm;
718: time_t Month;
719: time_t Year;
720:
721: if (RelMonth == 0)
722: return 0;
723: tm = localtime(&Start);
724: Month = 12 * (tm->tm_year + 1900) + tm->tm_mon + RelMonth;
725: Year = Month / 12;
726: Month = Month % 12 + 1;
727: return DSTcorrect(Start,
728: Convert(Month, (time_t)tm->tm_mday, Year,
729: (time_t)tm->tm_hour, (time_t)tm->tm_min, (time_t)tm->tm_sec,
730: MER24, DSTmaybe));
731: }
732:
733:
734: static int
735: LookupWord(buff)
736: char *buff;
737: {
738: char *p;
739: char *q;
740: const TABLE *tp;
741: int i;
742: int abbrev;
743:
744: /* Make it lowercase. */
745: for (p = buff; *p; p++)
746: if (isupper((unsigned char)*p))
747: *p = tolower((unsigned char)*p);
748:
749: if (strcmp(buff, "am") == 0 || strcmp(buff, "a.m.") == 0) {
750: yylval.Meridian = MERam;
751: return tMERIDIAN;
752: }
753: if (strcmp(buff, "pm") == 0 || strcmp(buff, "p.m.") == 0) {
754: yylval.Meridian = MERpm;
755: return tMERIDIAN;
756: }
757:
758: /* See if we have an abbreviation for a month. */
759: if (strlen(buff) == 3)
760: abbrev = 1;
761: else if (strlen(buff) == 4 && buff[3] == '.') {
762: abbrev = 1;
763: buff[3] = '\0';
764: }
765: else
766: abbrev = 0;
767:
768: for (tp = MonthDayTable; tp->name; tp++) {
769: if (abbrev) {
770: if (strncmp(buff, tp->name, 3) == 0) {
771: yylval.Number = tp->value;
772: return tp->type;
773: }
774: }
775: else if (strcmp(buff, tp->name) == 0) {
776: yylval.Number = tp->value;
777: return tp->type;
778: }
779: }
780:
781: for (tp = TimezoneTable; tp->name; tp++)
782: if (strcmp(buff, tp->name) == 0) {
783: yylval.Number = tp->value;
784: return tp->type;
785: }
786:
787: if (strcmp(buff, "dst") == 0)
788: return tDST;
789:
790: for (tp = UnitsTable; tp->name; tp++)
791: if (strcmp(buff, tp->name) == 0) {
792: yylval.Number = tp->value;
793: return tp->type;
794: }
795:
796: /* Strip off any plural and try the units table again. */
797: i = strlen(buff) - 1;
798: if (buff[i] == 's') {
799: buff[i] = '\0';
800: for (tp = UnitsTable; tp->name; tp++)
801: if (strcmp(buff, tp->name) == 0) {
802: yylval.Number = tp->value;
803: return tp->type;
804: }
805: buff[i] = 's'; /* Put back for "this" in OtherTable. */
806: }
807:
808: for (tp = OtherTable; tp->name; tp++)
809: if (strcmp(buff, tp->name) == 0) {
810: yylval.Number = tp->value;
811: return tp->type;
812: }
813:
814: /* Military timezones. */
815: if (buff[1] == '\0' && isalpha((unsigned char)*buff)) {
816: for (tp = MilitaryTable; tp->name; tp++)
817: if (strcmp(buff, tp->name) == 0) {
818: yylval.Number = tp->value;
819: return tp->type;
820: }
821: }
822:
823: /* Drop out any periods and try the timezone table again. */
824: for (i = 0, p = q = buff; *q; q++)
825: if (*q != '.')
826: *p++ = *q;
827: else
828: i++;
829: *p = '\0';
830: if (i)
831: for (tp = TimezoneTable; tp->name; tp++)
832: if (strcmp(buff, tp->name) == 0) {
833: yylval.Number = tp->value;
834: return tp->type;
835: }
836:
837: return tID;
838: }
839:
840:
841: static int
842: yylex()
843: {
844: char c;
845: char *p;
846: char buff[20];
847: int Count;
848: int sign;
849:
850: for ( ; ; ) {
851: while (isspace((unsigned char)*yyInput))
852: yyInput++;
853:
854: if (isdigit((unsigned char)(c = *yyInput)) || c == '-' || c == '+') {
855: if (c == '-' || c == '+') {
856: sign = c == '-' ? -1 : 1;
857: if (!isdigit((unsigned char)*++yyInput))
858: /* skip the '-' sign */
859: continue;
860: }
861: else
862: sign = 0;
863: for (yylval.Number = 0; isdigit((unsigned char)(c = *yyInput++)); )
864: yylval.Number = 10 * yylval.Number + c - '0';
865: yyInput--;
866: if (sign < 0)
867: yylval.Number = -yylval.Number;
868: return sign ? tSNUMBER : tUNUMBER;
869: }
870: if (isalpha((unsigned char)c)) {
871: for (p = buff; isalpha((unsigned char)(c = *yyInput++)) || c == '.'; )
872: if (p < &buff[sizeof buff - 1])
873: *p++ = c;
874: *p = '\0';
875: yyInput--;
876: return LookupWord(buff);
877: }
878: if (c != '(')
879: return *yyInput++;
880: Count = 0;
881: do {
882: c = *yyInput++;
883: if (c == '\0')
884: return c;
885: if (c == '(')
886: Count++;
887: else if (c == ')')
888: Count--;
889: } while (Count > 0);
890: }
891: }
892:
893: #define TM_YEAR_ORIGIN 1900
894:
895: /* Yield A - B, measured in seconds. */
896: static long
897: difftm (a, b)
898: struct tm *a, *b;
899: {
900: int ay = a->tm_year + (TM_YEAR_ORIGIN - 1);
901: int by = b->tm_year + (TM_YEAR_ORIGIN - 1);
902: int days = (
903: /* difference in day of year */
904: a->tm_yday - b->tm_yday
905: /* + intervening leap days */
906: + ((ay >> 2) - (by >> 2))
907: - (ay/100 - by/100)
908: + ((ay/100 >> 2) - (by/100 >> 2))
909: /* + difference in years * 365 */
910: + (long)(ay-by) * 365
911: );
912: return (60*(60*(24*days + (a->tm_hour - b->tm_hour))
913: + (a->tm_min - b->tm_min))
914: + (a->tm_sec - b->tm_sec));
915: }
916:
917: time_t
918: get_date(p)
919: char *p;
920: {
921: struct tm *tm, *gmt, gmtbuf;
922: time_t Start;
923: time_t tod;
924: time_t now;
925: time_t timezone;
926:
927: yyInput = p;
928: (void)time (&now);
929:
930: gmt = gmtime (&now);
931: if (gmt != NULL)
932: {
933: /* Make a copy, in case localtime modifies *tm (I think
934: that comment now applies to *gmt, but I am too
935: lazy to dig into how gmtime and locatime allocate the
936: structures they return pointers to). */
937: gmtbuf = *gmt;
938: gmt = &gmtbuf;
939: }
940:
941: if (! (tm = localtime (&now)))
942: return -1;
943:
944: if (gmt != NULL)
945: timezone = difftm (gmt, tm) / 60;
946: else
947: /* We are on a system like VMS, where the system clock is
948: in local time and the system has no concept of timezones.
949: Hopefully we can fake this out (for the case in which the
950: user specifies no timezone) by just saying the timezone
951: is zero. */
952: timezone = 0;
953:
954: if(tm->tm_isdst)
955: timezone += 60;
956:
957: tm = localtime(&now);
958: yyYear = tm->tm_year + 1900;
959: yyMonth = tm->tm_mon + 1;
960: yyDay = tm->tm_mday;
961: yyTimezone = timezone;
962: yyDSTmode = DSTmaybe;
963: yyHour = 0;
964: yyMinutes = 0;
965: yySeconds = 0;
966: yyMeridian = MER24;
967: yyRelSeconds = 0;
968: yyRelMonth = 0;
969: yyHaveDate = 0;
970: yyHaveDay = 0;
971: yyHaveRel = 0;
972: yyHaveTime = 0;
973: yyHaveZone = 0;
974:
975: if (yyparse()
976: || yyHaveTime > 1 || yyHaveZone > 1 || yyHaveDate > 1 || yyHaveDay > 1)
977: return -1;
978:
979: if (yyHaveDate || yyHaveTime || yyHaveDay) {
980: Start = Convert(yyMonth, yyDay, yyYear, yyHour, yyMinutes, yySeconds,
981: yyMeridian, yyDSTmode);
982: if (Start < 0)
983: return -1;
984: }
985: else {
986: Start = now;
987: if (!yyHaveRel)
988: Start -= ((tm->tm_hour * 60L + tm->tm_min) * 60L) + tm->tm_sec;
989: }
990:
991: Start += yyRelSeconds;
992: Start += RelativeMonth(Start, yyRelMonth);
993:
994: if (yyHaveDay && !yyHaveDate) {
995: tod = RelativeDate(Start, yyDayOrdinal, yyDayNumber);
996: Start += tod;
997: }
998:
999: /* Have to do *something* with a legitimate -1 so it's distinguishable
1000: * from the error return value. (Alternately could set errno on error.) */
1001: return Start == -1 ? 0 : Start;
1002: }
1003:
1004:
1005: #if defined(TEST)
1006:
1007: /* ARGSUSED */
1008: int
1009: main(ac, av)
1010: int ac;
1011: char *av[];
1012: {
1013: char buff[128];
1014: time_t d;
1015:
1016: (void)printf("Enter date, or blank line to exit.\n\t> ");
1017: (void)fflush(stdout);
1018: while (gets(buff) && buff[0]) {
1019: d = get_date(buff);
1020: if (d == -1)
1021: (void)printf("Bad format - couldn't convert.\n");
1022: else
1023: (void)printf("%s", ctime(&d));
1024: (void)printf("\t> ");
1025: (void)fflush(stdout);
1026: }
1027: exit(0);
1028: /* NOTREACHED */
1029: }
1030: #endif /* defined(TEST) */
1031: #line 979 "y.tab.c"
1032: /* allocate initial stack or double stack size, up to YYMAXDEPTH */
1033: #if defined(__cplusplus) || defined(__STDC__)
1034: static int yygrowstack(void)
1035: #else
1036: static int yygrowstack()
1037: #endif
1038: {
1039: int newsize, i;
1040: short *newss;
1041: YYSTYPE *newvs;
1042:
1043: if ((newsize = yystacksize) == 0)
1044: newsize = YYINITSTACKSIZE;
1045: else if (newsize >= YYMAXDEPTH)
1046: return -1;
1047: else if ((newsize *= 2) > YYMAXDEPTH)
1048: newsize = YYMAXDEPTH;
1049: i = yyssp - yyss;
1050: #ifdef SIZE_MAX
1051: #define YY_SIZE_MAX SIZE_MAX
1052: #else
1053: #define YY_SIZE_MAX 0x7fffffff
1054: #endif
1055: if (newsize && YY_SIZE_MAX / newsize < sizeof *newss)
1056: goto bail;
1057: newss = yyss ? (short *)realloc(yyss, newsize * sizeof *newss) :
1058: (short *)malloc(newsize * sizeof *newss); /* overflow check above */
1059: if (newss == NULL)
1060: goto bail;
1061: yyss = newss;
1062: yyssp = newss + i;
1063: if (newsize && YY_SIZE_MAX / newsize < sizeof *newvs)
1064: goto bail;
1065: newvs = yyvs ? (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs) :
1066: (YYSTYPE *)malloc(newsize * sizeof *newvs); /* overflow check above */
1067: if (newvs == NULL)
1068: goto bail;
1069: yyvs = newvs;
1070: yyvsp = newvs + i;
1071: yystacksize = newsize;
1072: yysslim = yyss + newsize - 1;
1073: return 0;
1074: bail:
1075: if (yyss)
1076: free(yyss);
1077: if (yyvs)
1078: free(yyvs);
1079: yyss = yyssp = NULL;
1080: yyvs = yyvsp = NULL;
1081: yystacksize = 0;
1082: return -1;
1083: }
1084:
1085: #define YYABORT goto yyabort
1086: #define YYREJECT goto yyabort
1087: #define YYACCEPT goto yyaccept
1088: #define YYERROR goto yyerrlab
1089: int
1090: #if defined(__cplusplus) || defined(__STDC__)
1091: yyparse(void)
1092: #else
1093: yyparse()
1094: #endif
1095: {
1096: int yym, yyn, yystate;
1097: #if YYDEBUG
1098: #if defined(__cplusplus) || defined(__STDC__)
1099: const char *yys;
1100: #else /* !(defined(__cplusplus) || defined(__STDC__)) */
1101: char *yys;
1102: #endif /* !(defined(__cplusplus) || defined(__STDC__)) */
1103:
1104: if ((yys = getenv("YYDEBUG")))
1105: {
1106: yyn = *yys;
1107: if (yyn >= '0' && yyn <= '9')
1108: yydebug = yyn - '0';
1109: }
1110: #endif /* YYDEBUG */
1111:
1112: yynerrs = 0;
1113: yyerrflag = 0;
1114: yychar = (-1);
1115:
1116: if (yyss == NULL && yygrowstack()) goto yyoverflow;
1117: yyssp = yyss;
1118: yyvsp = yyvs;
1119: *yyssp = yystate = 0;
1120:
1121: yyloop:
1122: if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
1123: if (yychar < 0)
1124: {
1125: if ((yychar = yylex()) < 0) yychar = 0;
1126: #if YYDEBUG
1127: if (yydebug)
1128: {
1129: yys = 0;
1130: if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
1131: if (!yys) yys = "illegal-symbol";
1132: printf("%sdebug: state %d, reading %d (%s)\n",
1133: YYPREFIX, yystate, yychar, yys);
1134: }
1135: #endif
1136: }
1137: if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
1138: yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
1139: {
1140: #if YYDEBUG
1141: if (yydebug)
1142: printf("%sdebug: state %d, shifting to state %d\n",
1143: YYPREFIX, yystate, yytable[yyn]);
1144: #endif
1145: if (yyssp >= yysslim && yygrowstack())
1146: {
1147: goto yyoverflow;
1148: }
1149: *++yyssp = yystate = yytable[yyn];
1150: *++yyvsp = yylval;
1151: yychar = (-1);
1152: if (yyerrflag > 0) --yyerrflag;
1153: goto yyloop;
1154: }
1155: if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
1156: yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
1157: {
1158: yyn = yytable[yyn];
1159: goto yyreduce;
1160: }
1161: if (yyerrflag) goto yyinrecovery;
1162: #if defined(lint) || defined(__GNUC__)
1163: goto yynewerror;
1164: #endif
1165: yynewerror:
1166: yyerror("syntax error");
1167: #if defined(lint) || defined(__GNUC__)
1168: goto yyerrlab;
1169: #endif
1170: yyerrlab:
1171: ++yynerrs;
1172: yyinrecovery:
1173: if (yyerrflag < 3)
1174: {
1175: yyerrflag = 3;
1176: for (;;)
1177: {
1178: if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
1179: yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
1180: {
1181: #if YYDEBUG
1182: if (yydebug)
1183: printf("%sdebug: state %d, error recovery shifting\
1184: to state %d\n", YYPREFIX, *yyssp, yytable[yyn]);
1185: #endif
1186: if (yyssp >= yysslim && yygrowstack())
1187: {
1188: goto yyoverflow;
1189: }
1190: *++yyssp = yystate = yytable[yyn];
1191: *++yyvsp = yylval;
1192: goto yyloop;
1193: }
1194: else
1195: {
1196: #if YYDEBUG
1197: if (yydebug)
1198: printf("%sdebug: error recovery discarding state %d\n",
1199: YYPREFIX, *yyssp);
1200: #endif
1201: if (yyssp <= yyss) goto yyabort;
1202: --yyssp;
1203: --yyvsp;
1204: }
1205: }
1206: }
1207: else
1208: {
1209: if (yychar == 0) goto yyabort;
1210: #if YYDEBUG
1211: if (yydebug)
1212: {
1213: yys = 0;
1214: if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
1215: if (!yys) yys = "illegal-symbol";
1216: printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
1217: YYPREFIX, yystate, yychar, yys);
1218: }
1219: #endif
1220: yychar = (-1);
1221: goto yyloop;
1222: }
1223: yyreduce:
1224: #if YYDEBUG
1225: if (yydebug)
1226: printf("%sdebug: state %d, reducing by rule %d (%s)\n",
1227: YYPREFIX, yystate, yyn, yyrule[yyn]);
1228: #endif
1229: yym = yylen[yyn];
1230: if (yym)
1231: yyval = yyvsp[1-yym];
1232: else
1233: memset(&yyval, 0, sizeof yyval);
1234: switch (yyn)
1235: {
1236: case 3:
1237: #line 125 "getdate.y"
1238: {
1239: yyHaveTime++;
1240: }
1241: break;
1242: case 4:
1243: #line 128 "getdate.y"
1244: {
1245: yyHaveZone++;
1246: }
1247: break;
1248: case 5:
1249: #line 131 "getdate.y"
1250: {
1251: yyHaveDate++;
1252: }
1253: break;
1254: case 6:
1255: #line 134 "getdate.y"
1256: {
1257: yyHaveDay++;
1258: }
1259: break;
1260: case 7:
1261: #line 137 "getdate.y"
1262: {
1263: yyHaveRel++;
1264: }
1265: break;
1266: case 9:
1267: #line 143 "getdate.y"
1268: {
1269: yyHour = yyvsp[-1].Number;
1270: yyMinutes = 0;
1271: yySeconds = 0;
1272: yyMeridian = yyvsp[0].Meridian;
1273: }
1274: break;
1275: case 10:
1276: #line 149 "getdate.y"
1277: {
1278: yyHour = yyvsp[-3].Number;
1279: yyMinutes = yyvsp[-1].Number;
1280: yySeconds = 0;
1281: yyMeridian = yyvsp[0].Meridian;
1282: }
1283: break;
1284: case 11:
1285: #line 155 "getdate.y"
1286: {
1287: yyHour = yyvsp[-3].Number;
1288: yyMinutes = yyvsp[-1].Number;
1289: yyMeridian = MER24;
1290: yyDSTmode = DSToff;
1291: yyTimezone = - (yyvsp[0].Number % 100 + (yyvsp[0].Number / 100) * 60);
1292: }
1293: break;
1294: case 12:
1295: #line 162 "getdate.y"
1296: {
1297: yyHour = yyvsp[-5].Number;
1298: yyMinutes = yyvsp[-3].Number;
1299: yySeconds = yyvsp[-1].Number;
1300: yyMeridian = yyvsp[0].Meridian;
1301: }
1302: break;
1303: case 13:
1304: #line 168 "getdate.y"
1305: {
1306: yyHour = yyvsp[-5].Number;
1307: yyMinutes = yyvsp[-3].Number;
1308: yySeconds = yyvsp[-1].Number;
1309: yyMeridian = MER24;
1310: yyDSTmode = DSToff;
1311: yyTimezone = - (yyvsp[0].Number % 100 + (yyvsp[0].Number / 100) * 60);
1312: }
1313: break;
1314: case 14:
1315: #line 178 "getdate.y"
1316: {
1317: yyTimezone = yyvsp[0].Number;
1318: yyDSTmode = DSToff;
1319: }
1320: break;
1321: case 15:
1322: #line 182 "getdate.y"
1323: {
1324: yyTimezone = yyvsp[0].Number;
1325: yyDSTmode = DSTon;
1326: }
1327: break;
1328: case 16:
1329: #line 187 "getdate.y"
1330: {
1331: yyTimezone = yyvsp[-1].Number;
1332: yyDSTmode = DSTon;
1333: }
1334: break;
1335: case 17:
1336: #line 193 "getdate.y"
1337: {
1338: yyDayOrdinal = 1;
1339: yyDayNumber = yyvsp[0].Number;
1340: }
1341: break;
1342: case 18:
1343: #line 197 "getdate.y"
1344: {
1345: yyDayOrdinal = 1;
1346: yyDayNumber = yyvsp[-1].Number;
1347: }
1348: break;
1349: case 19:
1350: #line 201 "getdate.y"
1351: {
1352: yyDayOrdinal = yyvsp[-1].Number;
1353: yyDayNumber = yyvsp[0].Number;
1354: }
1355: break;
1356: case 20:
1357: #line 207 "getdate.y"
1358: {
1359: yyMonth = yyvsp[-2].Number;
1360: yyDay = yyvsp[0].Number;
1361: }
1362: break;
1363: case 21:
1364: #line 211 "getdate.y"
1365: {
1366: if (yyvsp[-4].Number >= 100) {
1367: yyYear = yyvsp[-4].Number;
1368: yyMonth = yyvsp[-2].Number;
1369: yyDay = yyvsp[0].Number;
1370: } else {
1371: yyMonth = yyvsp[-4].Number;
1372: yyDay = yyvsp[-2].Number;
1373: yyYear = yyvsp[0].Number;
1374: }
1375: }
1376: break;
1377: case 22:
1378: #line 222 "getdate.y"
1379: {
1380: /* ISO 8601 format. yyyy-mm-dd. */
1381: yyYear = yyvsp[-2].Number;
1382: yyMonth = -yyvsp[-1].Number;
1383: yyDay = -yyvsp[0].Number;
1384: }
1385: break;
1386: case 23:
1387: #line 228 "getdate.y"
1388: {
1389: /* e.g. 17-JUN-1992. */
1390: yyDay = yyvsp[-2].Number;
1391: yyMonth = yyvsp[-1].Number;
1392: yyYear = -yyvsp[0].Number;
1393: }
1394: break;
1395: case 24:
1396: #line 234 "getdate.y"
1397: {
1398: yyMonth = yyvsp[-1].Number;
1399: yyDay = yyvsp[0].Number;
1400: }
1401: break;
1402: case 25:
1403: #line 238 "getdate.y"
1404: {
1405: yyMonth = yyvsp[-3].Number;
1406: yyDay = yyvsp[-2].Number;
1407: yyYear = yyvsp[0].Number;
1408: }
1409: break;
1410: case 26:
1411: #line 243 "getdate.y"
1412: {
1413: yyMonth = yyvsp[0].Number;
1414: yyDay = yyvsp[-1].Number;
1415: }
1416: break;
1417: case 27:
1418: #line 247 "getdate.y"
1419: {
1420: yyMonth = yyvsp[-1].Number;
1421: yyDay = yyvsp[-2].Number;
1422: yyYear = yyvsp[0].Number;
1423: }
1424: break;
1425: case 28:
1426: #line 254 "getdate.y"
1427: {
1428: yyRelSeconds = -yyRelSeconds;
1429: yyRelMonth = -yyRelMonth;
1430: }
1431: break;
1432: case 30:
1433: #line 261 "getdate.y"
1434: {
1435: yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number * 60L;
1436: }
1437: break;
1438: case 31:
1439: #line 264 "getdate.y"
1440: {
1441: yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number * 60L;
1442: }
1443: break;
1444: case 32:
1445: #line 267 "getdate.y"
1446: {
1447: yyRelSeconds += yyvsp[0].Number * 60L;
1448: }
1449: break;
1450: case 33:
1451: #line 270 "getdate.y"
1452: {
1453: yyRelSeconds += yyvsp[-1].Number;
1454: }
1455: break;
1456: case 34:
1457: #line 273 "getdate.y"
1458: {
1459: yyRelSeconds += yyvsp[-1].Number;
1460: }
1461: break;
1462: case 35:
1463: #line 276 "getdate.y"
1464: {
1465: yyRelSeconds++;
1466: }
1467: break;
1468: case 36:
1469: #line 279 "getdate.y"
1470: {
1471: yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number;
1472: }
1473: break;
1474: case 37:
1475: #line 282 "getdate.y"
1476: {
1477: yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number;
1478: }
1479: break;
1480: case 38:
1481: #line 285 "getdate.y"
1482: {
1483: yyRelMonth += yyvsp[0].Number;
1484: }
1485: break;
1486: case 39:
1487: #line 290 "getdate.y"
1488: {
1489: if (yyHaveTime && yyHaveDate && !yyHaveRel)
1490: yyYear = yyvsp[0].Number;
1491: else {
1492: if(yyvsp[0].Number>10000) {
1493: yyHaveDate++;
1494: yyDay= (yyvsp[0].Number)%100;
1495: yyMonth= (yyvsp[0].Number/100)%100;
1496: yyYear = yyvsp[0].Number/10000;
1497: }
1498: else {
1499: yyHaveTime++;
1500: if (yyvsp[0].Number < 100) {
1501: yyHour = yyvsp[0].Number;
1502: yyMinutes = 0;
1503: }
1504: else {
1505: yyHour = yyvsp[0].Number / 100;
1506: yyMinutes = yyvsp[0].Number % 100;
1507: }
1508: yySeconds = 0;
1509: yyMeridian = MER24;
1510: }
1511: }
1512: }
1513: break;
1514: case 40:
1515: #line 317 "getdate.y"
1516: {
1517: yyval.Meridian = MER24;
1518: }
1519: break;
1520: case 41:
1521: #line 320 "getdate.y"
1522: {
1523: yyval.Meridian = yyvsp[0].Meridian;
1524: }
1525: break;
1526: #line 1474 "y.tab.c"
1527: }
1528: yyssp -= yym;
1529: yystate = *yyssp;
1530: yyvsp -= yym;
1531: yym = yylhs[yyn];
1532: if (yystate == 0 && yym == 0)
1533: {
1534: #if YYDEBUG
1535: if (yydebug)
1536: printf("%sdebug: after reduction, shifting from state 0 to\
1537: state %d\n", YYPREFIX, YYFINAL);
1538: #endif
1539: yystate = YYFINAL;
1540: *++yyssp = YYFINAL;
1541: *++yyvsp = yyval;
1542: if (yychar < 0)
1543: {
1544: if ((yychar = yylex()) < 0) yychar = 0;
1545: #if YYDEBUG
1546: if (yydebug)
1547: {
1548: yys = 0;
1549: if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
1550: if (!yys) yys = "illegal-symbol";
1551: printf("%sdebug: state %d, reading %d (%s)\n",
1552: YYPREFIX, YYFINAL, yychar, yys);
1553: }
1554: #endif
1555: }
1556: if (yychar == 0) goto yyaccept;
1557: goto yyloop;
1558: }
1559: if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
1560: yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
1561: yystate = yytable[yyn];
1562: else
1563: yystate = yydgoto[yym];
1564: #if YYDEBUG
1565: if (yydebug)
1566: printf("%sdebug: after reduction, shifting from state %d \
1567: to state %d\n", YYPREFIX, *yyssp, yystate);
1568: #endif
1569: if (yyssp >= yysslim && yygrowstack())
1570: {
1571: goto yyoverflow;
1572: }
1573: *++yyssp = yystate;
1574: *++yyvsp = yyval;
1575: goto yyloop;
1576: yyoverflow:
1577: yyerror("yacc stack overflow");
1578: yyabort:
1579: if (yyss)
1580: free(yyss);
1581: if (yyvs)
1582: free(yyvs);
1583: yyss = yyssp = NULL;
1584: yyvs = yyvsp = NULL;
1585: yystacksize = 0;
1586: return (1);
1587: yyaccept:
1588: if (yyss)
1589: free(yyss);
1590: if (yyvs)
1591: free(yyvs);
1592: yyss = yyssp = NULL;
1593: yyvs = yyvsp = NULL;
1594: yystacksize = 0;
1595: return (0);
1596: }
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