-
-/* A Bison parser, made from parsedate.y with Bison version GNU Bison version 1.22
- */
-
-#define YYBISON 1 /* Identify Bison output. */
-
-#define tDAY 258
-#define tDAYZONE 259
-#define tMERIDIAN 260
-#define tMONTH 261
-#define tMONTH_UNIT 262
-#define tSEC_UNIT 263
-#define tSNUMBER 264
-#define tUNUMBER 265
-#define tZONE 266
-
-#line 1 "parsedate.y"
-
+#ifndef lint
+static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
+#endif
+#define YYBYACC 1
+#define YYMAJOR 1
+#define YYMINOR 9
+#define yyclearin (yychar=(-1))
+#define yyerrok (yyerrflag=0)
+#define YYRECOVERING (yyerrflag!=0)
+#define YYPREFIX "yy"
+#line 2 "parsedate.y"
/* $Revision$
**
** Originally written by Steven M. Bellovin <smb@research.att.com> while
extern struct tm *localtime();
static void date_error();
-
#line 100 "parsedate.y"
typedef union {
time_t Number;
enum _MERIDIAN Meridian;
} YYSTYPE;
-
-#ifndef YYLTYPE
-typedef
- struct yyltype
- {
- int timestamp;
- int first_line;
- int first_column;
- int last_line;
- int last_column;
- char *text;
- }
- yyltype;
-
-#define YYLTYPE yyltype
-#endif
-
-#include <stdio.h>
-
-#ifndef __cplusplus
-#ifndef __STDC__
-#define const
-#endif
-#endif
-
-
-
-#define YYFINAL 44
-#define YYFLAG -32768
-#define YYNTBASE 15
-
-#define YYTRANSLATE(x) ((unsigned)(x) <= 266 ? yytranslate[x] : 23)
-
-static const char yytranslate[] = { 0,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 14, 2, 2, 13, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 12, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 2, 3, 4, 5,
- 6, 7, 8, 9, 10, 11
-};
-
-#if YYDEBUG != 0
-static const short yyprhs[] = { 0,
- 0, 1, 4, 6, 9, 11, 13, 16, 21, 26,
- 33, 40, 42, 44, 47, 49, 51, 55, 61, 64,
- 69, 72, 76, 82, 85, 88, 91, 94, 95
-};
-
-static const short yyrhs[] = { -1,
- 15, 16, 0, 17, 0, 17, 18, 0, 20, 0,
- 21, 0, 10, 22, 0, 10, 12, 10, 22, 0,
- 10, 12, 10, 19, 0, 10, 12, 10, 12, 10,
- 22, 0, 10, 12, 10, 12, 10, 19, 0, 11,
- 0, 4, 0, 11, 19, 0, 19, 0, 9, 0,
- 10, 13, 10, 0, 10, 13, 10, 13, 10, 0,
- 6, 10, 0, 6, 10, 14, 10, 0, 10, 6,
- 0, 10, 6, 10, 0, 3, 14, 10, 6, 10,
- 0, 9, 8, 0, 10, 8, 0, 9, 7, 0,
- 10, 7, 0, 0, 5, 0
-};
-
-#endif
-
-#if YYDEBUG != 0
-static const short yyrline[] = { 0,
- 114, 115, 118, 127, 131, 134, 139, 151, 157, 164,
- 170, 180, 184, 188, 196, 202, 223, 227, 239, 243,
- 248, 252, 257, 264, 267, 270, 273, 278, 281
+#line 114 "y.tab.c"
+#define tDAY 257
+#define tDAYZONE 258
+#define tMERIDIAN 259
+#define tMONTH 260
+#define tMONTH_UNIT 261
+#define tSEC_UNIT 262
+#define tSNUMBER 263
+#define tUNUMBER 264
+#define tZONE 265
+#define YYERRCODE 256
+short yylhs[] = { -1,
+ 0, 0, 4, 4, 4, 4, 5, 5, 5, 5,
+ 5, 2, 2, 2, 2, 1, 6, 6, 6, 6,
+ 6, 6, 6, 7, 7, 7, 7, 3, 3,
};
-
-static const char * const yytname[] = { "$","error","$illegal.","tDAY","tDAYZONE",
-"tMERIDIAN","tMONTH","tMONTH_UNIT","tSEC_UNIT","tSNUMBER","tUNUMBER","tZONE",
-"':'","'/'","','","spec","item","time","zone","numzone","date","rel","o_merid",
-""
+short yylen[] = { 2,
+ 0, 2, 1, 2, 1, 1, 2, 4, 4, 6,
+ 6, 1, 1, 2, 1, 1, 3, 5, 2, 4,
+ 2, 3, 5, 2, 2, 2, 2, 0, 1,
};
-#endif
-
-static const short yyr1[] = { 0,
- 15, 15, 16, 16, 16, 16, 17, 17, 17, 17,
- 17, 18, 18, 18, 18, 19, 20, 20, 20, 20,
- 20, 20, 20, 21, 21, 21, 21, 22, 22
+short yydefred[] = { 1,
+ 0, 0, 0, 0, 0, 2, 0, 5, 6, 0,
+ 0, 26, 24, 29, 0, 27, 25, 0, 0, 7,
+ 13, 16, 0, 15, 4, 0, 0, 22, 0, 0,
+ 14, 0, 20, 0, 9, 8, 0, 23, 0, 18,
+ 11, 10,
};
-
-static const short yyr2[] = { 0,
- 0, 2, 1, 2, 1, 1, 2, 4, 4, 6,
- 6, 1, 1, 2, 1, 1, 3, 5, 2, 4,
- 2, 3, 5, 2, 2, 2, 2, 0, 1
+short yydgoto[] = { 1,
+ 24, 25, 20, 6, 7, 8, 9,
};
-
-static const short yydefact[] = { 1,
- 0, 0, 0, 0, 28, 2, 3, 5, 6, 0,
- 19, 26, 24, 29, 21, 27, 25, 0, 0, 7,
- 13, 16, 12, 4, 15, 0, 0, 22, 28, 17,
- 14, 0, 20, 0, 9, 8, 0, 23, 28, 18,
- 11, 10, 0, 0
+short yysindex[] = { 0,
+ -239, -36, -248, -255, -47, 0, -232, 0, 0, -247,
+ -25, 0, 0, 0, -237, 0, 0, -235, -234, 0,
+ 0, 0, -231, 0, 0, -226, -229, 0, -56, -11,
+ 0, -227, 0, -225, 0, 0, -224, 0, -250, 0,
+ 0, 0,
};
-
-static const short yydefgoto[] = { 1,
- 6, 7, 24, 25, 8, 9, 20
+short yyrindex[] = { 0,
+ 0, 0, 0, 0, 1, 0, 22, 0, 0, 0,
+ 12, 0, 0, 0, 28, 0, 0, 0, 0, 0,
+ 0, 0, 23, 0, 0, 0, 0, 0, 3, 14,
+ 0, 0, 0, 0, 0, 0, 0, 0, 3, 0,
+ 0, 0,
};
-
-static const short yypact[] = {-32768,
- 1, -11, 11, 20, 12,-32768, 4,-32768,-32768, 13,
- 16,-32768,-32768,-32768, 21,-32768,-32768, 22, 23,-32768,
--32768,-32768, 5,-32768,-32768, 28, 25,-32768, 17, 24,
--32768, 26,-32768, 29,-32768,-32768, 30,-32768, 0,-32768,
--32768,-32768, 38,-32768
+short yygindex[] = { 0,
+ -19, 0, -24, 0, 0, 0, 0,
};
-
-static const short yypgoto[] = {-32768,
--32768,-32768,-32768, -23,-32768,-32768, -27
+#define YYTABLESIZE 291
+short yytable[] = { 19,
+ 28, 34, 28, 31, 36, 12, 13, 10, 14, 35,
+ 18, 19, 22, 17, 42, 11, 26, 2, 27, 41,
+ 3, 3, 12, 4, 5, 21, 28, 21, 29, 30,
+ 22, 22, 23, 32, 33, 37, 38, 0, 39, 40,
+ 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, 14, 0, 0, 0, 22, 0, 0, 0,
+ 0, 14, 15, 16, 17, 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, 28, 28, 28,
+ 28, 0, 28, 28, 28, 28, 28, 28, 19, 0,
+ 17, 19, 0, 17, 19, 19, 17, 17, 3, 12,
+ 0, 3, 12, 0, 21, 3, 12, 21, 0, 0,
+ 21,
};
-
-
-#define YYLAST 40
-
-
-static const short yytable[] = { 31,
- 43, 36, 10, 2, 14, 35, 3, 21, 22, 4,
- 5, 42, 22, 22, 23, 41, 14, 15, 16, 17,
- 11, 14, 26, 18, 19, 22, 12, 13, 34, 27,
- 28, 29, 30, 32, 33, 38, 37, 44, 39, 40
+short yycheck[] = { 47,
+ 0, 58, 0, 23, 29, 261, 262, 44, 259, 29,
+ 58, 0, 263, 0, 39, 264, 264, 257, 44, 39,
+ 260, 0, 0, 263, 264, 258, 264, 0, 264, 264,
+ 263, 263, 265, 260, 264, 47, 264, -1, 264, 264,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, 259, -1, -1, -1, 263, -1, -1, -1,
+ -1, 259, 260, 261, 262, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, 257, 258, 257,
+ 258, -1, 260, 263, 264, 265, 264, 265, 257, -1,
+ 257, 260, -1, 260, 263, 264, 263, 264, 257, 257,
+ -1, 260, 260, -1, 257, 264, 264, 260, -1, -1,
+ 263,
};
-
-static const short yycheck[] = { 23,
- 0, 29, 14, 3, 5, 29, 6, 4, 9, 9,
- 10, 39, 9, 9, 11, 39, 5, 6, 7, 8,
- 10, 5, 10, 12, 13, 9, 7, 8, 12, 14,
- 10, 10, 10, 6, 10, 10, 13, 0, 10, 10
+#define YYFINAL 1
+#ifndef YYDEBUG
+#define YYDEBUG 0
+#endif
+#define YYMAXTOKEN 265
+#if YYDEBUG
+char *yyname[] = {
+"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,
+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,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+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,"tDAY","tDAYZONE",
+"tMERIDIAN","tMONTH","tMONTH_UNIT","tSEC_UNIT","tSNUMBER","tUNUMBER","tZONE",
};
-/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
-#line 3 "/usr/lib/bison.simple"
-
-/* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Bob Corbett and Richard Stallman
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
-#ifndef alloca
-#ifdef __GNUC__
-#define alloca __builtin_alloca
-#else /* not GNU C. */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
-#include <alloca.h>
-#else /* not sparc */
-#if defined (MSDOS) && !defined (__TURBOC__)
-#include <malloc.h>
-#else /* not MSDOS, or __TURBOC__ */
-#if defined(_AIX)
-#include <malloc.h>
- #pragma alloca
-#else /* not MSDOS, __TURBOC__, or _AIX */
-#ifdef __hpux
-#ifdef __cplusplus
-extern "C" {
-void *alloca (unsigned int);
+char *yyrule[] = {
+"$accept : spec",
+"spec :",
+"spec : spec item",
+"item : time",
+"item : time zone",
+"item : date",
+"item : rel",
+"time : tUNUMBER o_merid",
+"time : tUNUMBER ':' tUNUMBER o_merid",
+"time : tUNUMBER ':' tUNUMBER numzone",
+"time : tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid",
+"time : tUNUMBER ':' tUNUMBER ':' tUNUMBER numzone",
+"zone : tZONE",
+"zone : tDAYZONE",
+"zone : tZONE numzone",
+"zone : numzone",
+"numzone : tSNUMBER",
+"date : tUNUMBER '/' tUNUMBER",
+"date : tUNUMBER '/' tUNUMBER '/' tUNUMBER",
+"date : tMONTH tUNUMBER",
+"date : tMONTH tUNUMBER ',' tUNUMBER",
+"date : tUNUMBER tMONTH",
+"date : tUNUMBER tMONTH tUNUMBER",
+"date : tDAY ',' tUNUMBER tMONTH tUNUMBER",
+"rel : tSNUMBER tSEC_UNIT",
+"rel : tUNUMBER tSEC_UNIT",
+"rel : tSNUMBER tMONTH_UNIT",
+"rel : tUNUMBER tMONTH_UNIT",
+"o_merid :",
+"o_merid : tMERIDIAN",
};
-#else /* not __cplusplus */
-void *alloca ();
-#endif /* not __cplusplus */
-#endif /* __hpux */
-#endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
-#endif /* not sparc. */
-#endif /* not GNU C. */
-#endif /* alloca not defined. */
-
-/* This is the parser code that is written into each bison parser
- when the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
-/* Note: there must be only one dollar sign in this file.
- It is replaced by the list of actions, each action
- as one case of the switch. */
-
-#define yyerrok (yyerrstatus = 0)
-#define yyclearin (yychar = YYEMPTY)
-#define YYEMPTY -2
-#define YYEOF 0
-#define YYACCEPT return(0)
-#define YYABORT return(1)
-#define YYERROR goto yyerrlab1
-/* Like YYERROR except do call yyerror.
- This remains here temporarily to ease the
- transition to the new meaning of YYERROR, for GCC.
- Once GCC version 2 has supplanted version 1, this can go. */
-#define YYFAIL goto yyerrlab
-#define YYRECOVERING() (!!yyerrstatus)
-#define YYBACKUP(token, value) \
-do \
- if (yychar == YYEMPTY && yylen == 1) \
- { yychar = (token), yylval = (value); \
- yychar1 = YYTRANSLATE (yychar); \
- YYPOPSTACK; \
- goto yybackup; \
- } \
- else \
- { yyerror ("syntax error: cannot back up"); YYERROR; } \
-while (0)
-
-#define YYTERROR 1
-#define YYERRCODE 256
-
-#ifndef YYPURE
-#define YYLEX yylex()
#endif
-
-#ifdef YYPURE
-#ifdef YYLSP_NEEDED
-#define YYLEX yylex(&yylval, &yylloc)
+#ifdef YYSTACKSIZE
+#undef YYMAXDEPTH
+#define YYMAXDEPTH YYSTACKSIZE
#else
-#define YYLEX yylex(&yylval)
-#endif
+#ifdef YYMAXDEPTH
+#define YYSTACKSIZE YYMAXDEPTH
+#else
+#define YYSTACKSIZE 500
+#define YYMAXDEPTH 500
#endif
-
-/* If nonreentrant, generate the variables here */
-
-#ifndef YYPURE
-
-int yychar; /* the lookahead symbol */
-YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
-
-#ifdef YYLSP_NEEDED
-YYLTYPE yylloc; /* location data for the lookahead */
- /* symbol */
#endif
+int yydebug;
+int yynerrs;
+int yyerrflag;
+int yychar;
+short *yyssp;
+YYSTYPE *yyvsp;
+YYSTYPE yyval;
+YYSTYPE yylval;
+short yyss[YYSTACKSIZE];
+YYSTYPE yyvs[YYSTACKSIZE];
+#define yystacksize YYSTACKSIZE
+#line 287 "parsedate.y"
-int yynerrs; /* number of parse errors so far */
-#endif /* not YYPURE */
+/* Month and day table. */
+static TABLE MonthDayTable[] = {
+ { "january", tMONTH, 1 },
+ { "february", tMONTH, 2 },
+ { "march", tMONTH, 3 },
+ { "april", tMONTH, 4 },
+ { "may", tMONTH, 5 },
+ { "june", tMONTH, 6 },
+ { "july", tMONTH, 7 },
+ { "august", tMONTH, 8 },
+ { "september", tMONTH, 9 },
+ { "october", tMONTH, 10 },
+ { "november", tMONTH, 11 },
+ { "december", tMONTH, 12 },
+ /* The value of the day isn't used... */
+ { "sunday", tDAY, 0 },
+ { "monday", tDAY, 0 },
+ { "tuesday", tDAY, 0 },
+ { "wednesday", tDAY, 0 },
+ { "thursday", tDAY, 0 },
+ { "friday", tDAY, 0 },
+ { "saturday", tDAY, 0 },
+};
-#if YYDEBUG != 0
-int yydebug; /* nonzero means print parse trace */
-/* Since this is uninitialized, it does not stop multiple parsers
- from coexisting. */
-#endif
+/* Time units table. */
+static TABLE UnitsTable[] = {
+ { "year", tMONTH_UNIT, 12 },
+ { "month", tMONTH_UNIT, 1 },
+ { "week", tSEC_UNIT, 7L * 24 * 60 * 60 },
+ { "day", tSEC_UNIT, 1L * 24 * 60 * 60 },
+ { "hour", tSEC_UNIT, 60 * 60 },
+ { "minute", tSEC_UNIT, 60 },
+ { "min", tSEC_UNIT, 60 },
+ { "second", tSEC_UNIT, 1 },
+ { "sec", tSEC_UNIT, 1 },
+};
-/* YYINITDEPTH indicates the initial size of the parser's stacks */
+/* Timezone table. */
+static TABLE TimezoneTable[] = {
+ { "gmt", tZONE, HOUR( 0) }, /* Greenwich Mean */
+ { "ut", tZONE, HOUR( 0) }, /* Universal */
+ { "utc", tZONE, HOUR( 0) }, /* Universal Coordinated */
+ { "cut", tZONE, HOUR( 0) }, /* Coordinated Universal */
+ { "z", tZONE, HOUR( 0) }, /* Greenwich Mean */
+ { "wet", tZONE, HOUR( 0) }, /* Western European */
+ { "bst", tDAYZONE, HOUR( 0) }, /* British Summer */
+ { "nst", tZONE, HOUR(3)+30 }, /* Newfoundland Standard */
+ { "ndt", tDAYZONE, HOUR(3)+30 }, /* Newfoundland Daylight */
+ { "ast", tZONE, HOUR( 4) }, /* Atlantic Standard */
+ { "adt", tDAYZONE, HOUR( 4) }, /* Atlantic Daylight */
+ { "est", tZONE, HOUR( 5) }, /* Eastern Standard */
+ { "edt", tDAYZONE, HOUR( 5) }, /* Eastern Daylight */
+ { "cst", tZONE, HOUR( 6) }, /* Central Standard */
+ { "cdt", tDAYZONE, HOUR( 6) }, /* Central Daylight */
+ { "mst", tZONE, HOUR( 7) }, /* Mountain Standard */
+ { "mdt", tDAYZONE, HOUR( 7) }, /* Mountain Daylight */
+ { "pst", tZONE, HOUR( 8) }, /* Pacific Standard */
+ { "pdt", tDAYZONE, HOUR( 8) }, /* Pacific Daylight */
+ { "yst", tZONE, HOUR( 9) }, /* Yukon Standard */
+ { "ydt", tDAYZONE, HOUR( 9) }, /* Yukon Daylight */
+ { "akst", tZONE, HOUR( 9) }, /* Alaska Standard */
+ { "akdt", tDAYZONE, HOUR( 9) }, /* Alaska Daylight */
+ { "hst", tZONE, HOUR(10) }, /* Hawaii Standard */
+ { "hast", tZONE, HOUR(10) }, /* Hawaii-Aleutian Standard */
+ { "hadt", tDAYZONE, HOUR(10) }, /* Hawaii-Aleutian Daylight */
+ { "ces", tDAYZONE, -HOUR(1) }, /* Central European Summer */
+ { "cest", tDAYZONE, -HOUR(1) }, /* Central European Summer */
+ { "mez", tZONE, -HOUR(1) }, /* Middle European */
+ { "mezt", tDAYZONE, -HOUR(1) }, /* Middle European Summer */
+ { "cet", tZONE, -HOUR(1) }, /* Central European */
+ { "met", tZONE, -HOUR(1) }, /* Middle European */
+ { "eet", tZONE, -HOUR(2) }, /* Eastern Europe */
+ { "msk", tZONE, -HOUR(3) }, /* Moscow Winter */
+ { "msd", tDAYZONE, -HOUR(3) }, /* Moscow Summer */
+ { "wast", tZONE, -HOUR(8) }, /* West Australian Standard */
+ { "wadt", tDAYZONE, -HOUR(8) }, /* West Australian Daylight */
+ { "hkt", tZONE, -HOUR(8) }, /* Hong Kong */
+ { "cct", tZONE, -HOUR(8) }, /* China Coast */
+ { "jst", tZONE, -HOUR(9) }, /* Japan Standard */
+ { "kst", tZONE, -HOUR(9) }, /* Korean Standard */
+ { "kdt", tZONE, -HOUR(9) }, /* Korean Daylight */
+ { "cast", tZONE, -(HOUR(9)+30) }, /* Central Australian Standard */
+ { "cadt", tDAYZONE, -(HOUR(9)+30) }, /* Central Australian Daylight */
+ { "east", tZONE, -HOUR(10) }, /* Eastern Australian Standard */
+ { "eadt", tDAYZONE, -HOUR(10) }, /* Eastern Australian Daylight */
+ { "nzst", tZONE, -HOUR(12) }, /* New Zealand Standard */
+ { "nzdt", tDAYZONE, -HOUR(12) }, /* New Zealand Daylight */
-#ifndef YYINITDEPTH
-#define YYINITDEPTH 200
-#endif
+ /* For completeness we include the following entries. */
+#if 0
-/* YYMAXDEPTH is the maximum size the stacks can grow to
- (effective only if the built-in stack extension method is used). */
+ /* Duplicate names. Either they conflict with a zone listed above
+ * (which is either more likely to be seen or just been in circulation
+ * longer), or they conflict with another zone in this section and
+ * we could not reasonably choose one over the other. */
+ { "fst", tZONE, HOUR( 2) }, /* Fernando De Noronha Standard */
+ { "fdt", tDAYZONE, HOUR( 2) }, /* Fernando De Noronha Daylight */
+ { "bst", tZONE, HOUR( 3) }, /* Brazil Standard */
+ { "est", tZONE, HOUR( 3) }, /* Eastern Standard (Brazil) */
+ { "edt", tDAYZONE, HOUR( 3) }, /* Eastern Daylight (Brazil) */
+ { "wst", tZONE, HOUR( 4) }, /* Western Standard (Brazil) */
+ { "wdt", tDAYZONE, HOUR( 4) }, /* Western Daylight (Brazil) */
+ { "cst", tZONE, HOUR( 5) }, /* Chile Standard */
+ { "cdt", tDAYZONE, HOUR( 5) }, /* Chile Daylight */
+ { "ast", tZONE, HOUR( 5) }, /* Acre Standard */
+ { "adt", tDAYZONE, HOUR( 5) }, /* Acre Daylight */
+ { "cst", tZONE, HOUR( 5) }, /* Cuba Standard */
+ { "cdt", tDAYZONE, HOUR( 5) }, /* Cuba Daylight */
+ { "est", tZONE, HOUR( 6) }, /* Easter Island Standard */
+ { "edt", tDAYZONE, HOUR( 6) }, /* Easter Island Daylight */
+ { "sst", tZONE, HOUR(11) }, /* Samoa Standard */
+ { "ist", tZONE, -HOUR(2) }, /* Israel Standard */
+ { "idt", tDAYZONE, -HOUR(2) }, /* Israel Daylight */
+ { "idt", tDAYZONE, -(HOUR(3)+30) }, /* Iran Daylight */
+ { "ist", tZONE, -(HOUR(3)+30) }, /* Iran Standard */
+ { "cst", tZONE, -HOUR(8) }, /* China Standard */
+ { "cdt", tDAYZONE, -HOUR(8) }, /* China Daylight */
+ { "sst", tZONE, -HOUR(8) }, /* Singapore Standard */
-#if YYMAXDEPTH == 0
-#undef YYMAXDEPTH
-#endif
+ /* Dubious (e.g., not in Olson's TIMEZONE package) or obsolete. */
+ { "gst", tZONE, HOUR( 3) }, /* Greenland Standard */
+ { "wat", tZONE, -HOUR(1) }, /* West Africa */
+ { "at", tZONE, HOUR( 2) }, /* Azores */
+ { "gst", tZONE, -HOUR(10) }, /* Guam Standard */
+ { "nft", tZONE, HOUR(3)+30 }, /* Newfoundland */
+ { "idlw", tZONE, HOUR(12) }, /* International Date Line West */
+ { "mewt", tZONE, -HOUR(1) }, /* Middle European Winter */
+ { "mest", tDAYZONE, -HOUR(1) }, /* Middle European Summer */
+ { "swt", tZONE, -HOUR(1) }, /* Swedish Winter */
+ { "sst", tDAYZONE, -HOUR(1) }, /* Swedish Summer */
+ { "fwt", tZONE, -HOUR(1) }, /* French Winter */
+ { "fst", tDAYZONE, -HOUR(1) }, /* French Summer */
+ { "bt", tZONE, -HOUR(3) }, /* Baghdad */
+ { "it", tZONE, -(HOUR(3)+30) }, /* Iran */
+ { "zp4", tZONE, -HOUR(4) }, /* USSR Zone 3 */
+ { "zp5", tZONE, -HOUR(5) }, /* USSR Zone 4 */
+ { "ist", tZONE, -(HOUR(5)+30) }, /* Indian Standard */
+ { "zp6", tZONE, -HOUR(6) }, /* USSR Zone 5 */
+ { "nst", tZONE, -HOUR(7) }, /* North Sumatra */
+ { "sst", tZONE, -HOUR(7) }, /* South Sumatra */
+ { "jt", tZONE, -(HOUR(7)+30) }, /* Java (3pm in Cronusland!) */
+ { "nzt", tZONE, -HOUR(12) }, /* New Zealand */
+ { "idle", tZONE, -HOUR(12) }, /* International Date Line East */
+ { "cat", tZONE, HOUR(10) }, /* -- expired 1967 */
+ { "nt", tZONE, HOUR(11) }, /* -- expired 1967 */
+ { "ahst", tZONE, HOUR(10) }, /* -- expired 1983 */
+ { "hdt", tDAYZONE, HOUR(10) }, /* -- expired 1986 */
+#endif /* 0 */
+};
-#ifndef YYMAXDEPTH
-#define YYMAXDEPTH 10000
-#endif
-/* Prevent warning if -Wstrict-prototypes. */
-#ifdef __GNUC__
-int yyparse (void);
-#endif
-\f
-#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
-#define __yy_bcopy(FROM,TO,COUNT) __builtin_memcpy(TO,FROM,COUNT)
-#else /* not GNU C or C++ */
-#ifndef __cplusplus
-
-/* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
+/* ARGSUSED */
static void
-__yy_bcopy (from, to, count)
- char *from;
- char *to;
- int count;
+date_error(s)
+ char *s;
{
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
+ /* NOTREACHED */
}
-#else /* __cplusplus */
-/* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
-static void
-__yy_bcopy (char *from, char *to, int count)
+static time_t
+ToSeconds(Hours, Minutes, Seconds, Meridian)
+ time_t Hours;
+ time_t Minutes;
+ time_t Seconds;
+ MERIDIAN Meridian;
{
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
+ if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 61)
+ return -1;
+ if (Meridian == MER24) {
+ if (Hours < 0 || Hours > 23)
+ return -1;
+ }
+ else {
+ if (Hours < 1 || Hours > 12)
+ return -1;
+ if (Hours == 12)
+ Hours = 0;
+ if (Meridian == MERpm)
+ Hours += 12;
+ }
+ return (Hours * 60L + Minutes) * 60L + Seconds;
}
-#endif
-#endif
-\f
-#line 184 "/usr/lib/bison.simple"
-int
-yyparse()
-{
- register int yystate;
- register int yyn;
- register short *yyssp;
- register YYSTYPE *yyvsp;
- int yyerrstatus; /* number of tokens to shift before error messages enabled */
- int yychar1 = 0; /* lookahead token as an internal (translated) token number */
-
- short yyssa[YYINITDEPTH]; /* the state stack */
- YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
-
- short *yyss = yyssa; /* refer to the stacks thru separate pointers */
- YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
-
-#ifdef YYLSP_NEEDED
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
-
-#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
-#else
-#define YYPOPSTACK (yyvsp--, yyssp--)
-#endif
-
- int yystacksize = YYINITDEPTH;
-
-#ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
-#ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
-#endif
-#endif
-
- YYSTYPE yyval; /* the variable used to return */
- /* semantic values from the action */
- /* routines */
-
- int yylen;
-
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Starting parse\n");
-#endif
-
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
-
- /* Initialize stack pointers.
- Waste one element of value and location stack
- so that they stay on the same level as the state stack.
- The wasted elements are never initialized. */
-
- yyssp = yyss - 1;
- yyvsp = yyvs;
-#ifdef YYLSP_NEEDED
- yylsp = yyls;
-#endif
-
-/* Push a new state, which is found in yystate . */
-/* In all cases, when you get here, the value and location stacks
- have just been pushed. so pushing a state here evens the stacks. */
-yynewstate:
-
- *++yyssp = yystate;
- if (yyssp >= yyss + yystacksize - 1)
- {
- /* Give user a chance to reallocate the stack */
- /* Use copies of these so that the &'s don't force the real ones into memory. */
- YYSTYPE *yyvs1 = yyvs;
- short *yyss1 = yyss;
-#ifdef YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
-#endif
-
- /* Get the current used size of the three stacks, in elements. */
- int size = yyssp - yyss + 1;
-
-#ifdef yyoverflow
- /* Each stack pointer address is followed by the size of
- the data in use in that stack, in bytes. */
-#ifdef YYLSP_NEEDED
- /* This used to be a conditional around just the two extra args,
- but that might be undefined if yyoverflow is a macro. */
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yyls1, size * sizeof (*yylsp),
- &yystacksize);
-#else
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yystacksize);
-#endif
+static time_t
+Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, dst)
+ time_t Month;
+ time_t Day;
+ time_t Year;
+ time_t Hours;
+ time_t Minutes;
+ time_t Seconds;
+ MERIDIAN Meridian;
+ DSTMODE dst;
+{
+ static int DaysNormal[13] = {
+ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
+ };
+ static int DaysLeap[13] = {
+ 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
+ };
+ static int LeapYears[] = {
+ 1972, 1976, 1980, 1984, 1988, 1992, 1996,
+ 2000, 2004, 2008, 2012, 2016, 2020, 2024, 2028, 2032, 2036
+ };
+ register int *yp;
+ register int *mp;
+ register time_t Julian;
+ register int i;
+ time_t tod;
- yyss = yyss1; yyvs = yyvs1;
-#ifdef YYLSP_NEEDED
- yyls = yyls1;
-#endif
-#else /* no yyoverflow */
- /* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
- {
- yyerror("parser stack overflow");
- return 2;
+ if (Year < 0)
+ Year = -Year;
+ if (Year < 100)
+ Year += 1900;
+ if (Year < EPOCH)
+ Year += 100;
+ for (mp = DaysNormal, yp = LeapYears; yp < ENDOF(LeapYears); yp++)
+ if (Year == *yp) {
+ mp = DaysLeap;
+ break;
}
- yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
- yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
- __yy_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
- yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
- __yy_bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
-#ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
- __yy_bcopy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp));
-#endif
-#endif /* no yyoverflow */
-
- yyssp = yyss + size - 1;
- yyvsp = yyvs + size - 1;
-#ifdef YYLSP_NEEDED
- yylsp = yyls + size - 1;
-#endif
-
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Stack size increased to %d\n", yystacksize);
-#endif
+ if (Year < EPOCH || Year > END_OF_TIME
+ || Month < 1 || Month > 12
+ /* NOSTRICT *//* conversion from long may lose accuracy */
+ || Day < 1 || Day > mp[(int)Month])
+ return -1;
- if (yyssp >= yyss + yystacksize - 1)
- YYABORT;
- }
+ Julian = Day - 1 + (Year - EPOCH) * 365;
+ for (yp = LeapYears; yp < ENDOF(LeapYears); yp++, Julian++)
+ if (Year <= *yp)
+ break;
+ for (i = 1; i < Month; i++)
+ Julian += *++mp;
+ Julian *= SECSPERDAY;
+ Julian += yyTimezone * 60L;
+ if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0)
+ return -1;
+ Julian += tod;
+ tod = Julian;
+ if (dst == DSTon || (dst == DSTmaybe && localtime(&tod)->tm_isdst))
+ Julian -= DST_OFFSET * 60L * 60L;
+ return Julian;
+}
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
-#endif
- goto yybackup;
- yybackup:
+static time_t
+DSTcorrect(Start, Future)
+ time_t Start;
+ time_t Future;
+{
+ time_t StartDay;
+ time_t FutureDay;
-/* Do appropriate processing given the current state. */
-/* Read a lookahead token if we need one and don't already have one. */
-/* yyresume: */
+ StartDay = (localtime(&Start)->tm_hour + 1) % 24;
+ FutureDay = (localtime(&Future)->tm_hour + 1) % 24;
+ return (Future - Start) + (StartDay - FutureDay) * DST_OFFSET * 60L * 60L;
+}
- /* First try to decide what to do without reference to lookahead token. */
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yydefault;
+static time_t
+RelativeMonth(Start, RelMonth)
+ time_t Start;
+ time_t RelMonth;
+{
+ struct tm *tm;
+ time_t Month;
+ time_t Year;
- /* Not known => get a lookahead token if don't already have one. */
+ tm = localtime(&Start);
+ Month = 12 * tm->tm_year + tm->tm_mon + RelMonth;
+ Year = Month / 12;
+ Month = Month % 12 + 1;
+ return DSTcorrect(Start,
+ Convert(Month, (time_t)tm->tm_mday, Year,
+ (time_t)tm->tm_hour, (time_t)tm->tm_min, (time_t)tm->tm_sec,
+ MER24, DSTmaybe));
+}
- /* yychar is either YYEMPTY or YYEOF
- or a valid token in external form. */
- if (yychar == YYEMPTY)
- {
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Reading a token: ");
-#endif
- yychar = YYLEX;
- }
+static int
+LookupWord(buff, length)
+ char *buff;
+ register int length;
+{
+ register char *p;
+ register char *q;
+ register TABLE *tp;
+ register int c;
- /* Convert token to internal form (in yychar1) for indexing tables with */
+ p = buff;
+ c = p[0];
- if (yychar <= 0) /* This means end of input. */
- {
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
+ /* See if we have an abbreviation for a month. */
+ if (length == 3 || (length == 4 && p[3] == '.'))
+ for (tp = MonthDayTable; tp < ENDOF(MonthDayTable); tp++) {
+ q = tp->name;
+ if (c == q[0] && p[1] == q[1] && p[2] == q[2]) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+ }
+ else
+ for (tp = MonthDayTable; tp < ENDOF(MonthDayTable); tp++)
+ if (c == tp->name[0] && strcmp(p, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Now at end of input.\n");
-#endif
- }
- else
- {
- yychar1 = YYTRANSLATE(yychar);
-
-#if YYDEBUG != 0
- if (yydebug)
- {
- fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise meaning
- of a token, for further debugging info. */
-#ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
-#endif
- fprintf (stderr, ")\n");
+ /* Try for a timezone. */
+ for (tp = TimezoneTable; tp < ENDOF(TimezoneTable); tp++)
+ if (c == tp->name[0] && p[1] == tp->name[1]
+ && strcmp(p, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
}
-#endif
- }
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
- goto yydefault;
+ /* Try the units table. */
+ for (tp = UnitsTable; tp < ENDOF(UnitsTable); tp++)
+ if (c == tp->name[0] && strcmp(p, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
- yyn = yytable[yyn];
+ /* Strip off any plural and try the units table again. */
+ if (--length > 0 && p[length] == 's') {
+ p[length] = '\0';
+ for (tp = UnitsTable; tp < ENDOF(UnitsTable); tp++)
+ if (c == tp->name[0] && strcmp(p, tp->name) == 0) {
+ p[length] = 's';
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+ p[length] = 's';
+ }
+ length++;
- /* yyn is what to do for this token type in this state.
- Negative => reduce, -yyn is rule number.
- Positive => shift, yyn is new state.
- New state is final state => don't bother to shift,
- just return success.
- 0, or most negative number => error. */
+ /* Drop out any periods. */
+ for (p = buff, q = (char*)buff; *q; q++)
+ if (*q != '.')
+ *p++ = *q;
+ *p = '\0';
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
+ /* Try the meridians. */
+ if (buff[1] == 'm' && buff[2] == '\0') {
+ if (buff[0] == 'a') {
+ yylval.Meridian = MERam;
+ return tMERIDIAN;
+ }
+ if (buff[0] == 'p') {
+ yylval.Meridian = MERpm;
+ return tMERIDIAN;
+ }
}
- else if (yyn == 0)
- goto yyerrlab;
- if (yyn == YYFINAL)
- YYACCEPT;
+ /* If we saw any periods, try the timezones again. */
+ if (p - buff != length) {
+ c = buff[0];
+ for (p = buff, tp = TimezoneTable; tp < ENDOF(TimezoneTable); tp++)
+ if (c == tp->name[0] && p[1] == tp->name[1]
+ && strcmp(p, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+ }
- /* Shift the lookahead token. */
+ /* Unknown word -- assume GMT timezone. */
+ yylval.Number = 0;
+ return tZONE;
+}
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
-#endif
- /* Discard the token being shifted unless it is eof. */
- if (yychar != YYEOF)
- yychar = YYEMPTY;
+int
+date_lex()
+{
+ register char c;
+ register char *p;
+ char buff[20];
+ register int sign;
+ register int i;
+ register int nesting;
- *++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
-#endif
+ for ( ; ; ) {
+ /* Get first character after the whitespace. */
+ for ( ; ; ) {
+ while (isspace(*yyInput))
+ yyInput++;
+ c = *yyInput;
- /* count tokens shifted since error; after three, turn off error status. */
- if (yyerrstatus) yyerrstatus--;
+ /* Ignore RFC 822 comments, typically time zone names. */
+ if (c != LPAREN)
+ break;
+ for (nesting = 1; (c = *++yyInput) != RPAREN || --nesting; )
+ if (c == LPAREN)
+ nesting++;
+ else if (!IS7BIT(c) || c == '\0' || c == '\r'
+ || (c == '\\' && ((c = *++yyInput) == '\0' || !IS7BIT(c))))
+ /* Lexical error: bad comment. */
+ return '?';
+ yyInput++;
+ }
- yystate = yyn;
- goto yynewstate;
+ /* A number? */
+ if (isdigit(c) || c == '-' || c == '+') {
+ if (c == '-' || c == '+') {
+ sign = c == '-' ? -1 : 1;
+ yyInput++;
+ if (!isdigit(*yyInput))
+ /* Skip the plus or minus sign. */
+ continue;
+ }
+ else
+ sign = 0;
+ for (i = 0; (c = *yyInput++) != '\0' && isdigit(c); )
+ i = 10 * i + c - '0';
+ yyInput--;
+ yylval.Number = sign < 0 ? -i : i;
+ return sign ? tSNUMBER : tUNUMBER;
+ }
-/* Do the default action for the current state. */
-yydefault:
+ /* A word? */
+ if (isalpha(c)) {
+ for (p = buff; (c = *yyInput++) == '.' || isalpha(c); )
+ if (p < &buff[sizeof buff - 1])
+ *p++ = isupper(c) ? tolower(c) : c;
+ *p = '\0';
+ yyInput--;
+ return LookupWord(buff, p - buff);
+ }
- yyn = yydefact[yystate];
- if (yyn == 0)
- goto yyerrlab;
+ return *yyInput++;
+ }
+}
-/* Do a reduction. yyn is the number of a rule to reduce with. */
-yyreduce:
- yylen = yyr2[yyn];
- if (yylen > 0)
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
-#if YYDEBUG != 0
- if (yydebug)
- {
- int i;
+time_t
+parsedate(p)
+ char *p;
+{
+ extern int date_parse();
+ time_t Start;
- fprintf (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
+ yyInput = p;
- /* Print the symbols being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
- fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
+ yyYear = 0;
+ yyMonth = 0;
+ yyDay = 0;
+ yyTimezone = 0;
+ yyDSTmode = DSTmaybe;
+ yyHour = 0;
+ yyMinutes = 0;
+ yySeconds = 0;
+ yyMeridian = MER24;
+ yyRelSeconds = 0;
+ yyRelMonth = 0;
+ yyHaveDate = 0;
+ yyHaveRel = 0;
+ yyHaveTime = 0;
+
+ if (date_parse() || yyHaveTime > 1 || yyHaveDate > 1)
+ return -1;
+
+ if (yyHaveDate || yyHaveTime) {
+ Start = Convert(yyMonth, yyDay, yyYear, yyHour, yyMinutes, yySeconds,
+ yyMeridian, yyDSTmode);
+ if (Start < 0)
+ return -1;
+ }
+ else
+ return -1;
+
+ Start += yyRelSeconds;
+ if (yyRelMonth)
+ Start += RelativeMonth(Start, yyRelMonth);
+
+ /* Have to do *something* with a legitimate -1 so it's distinguishable
+ * from the error return value. (Alternately could set errno on error.) */
+ return Start == -1 ? 0 : Start;
+}
+
+
+#ifdef TEST
+
+#if YYDEBUG
+extern int yydebug;
+#endif /* YYDEBUG */
+
+/* ARGSUSED */
+int
+main(ac, av)
+ int ac;
+ char *av[];
+{
+ char buff[128];
+ time_t d;
+
+#if YYDEBUG
+ yydebug = 1;
+#endif /* YYDEBUG */
+
+ (void)printf("Enter date, or blank line to exit.\n\t> ");
+ for ( ; ; ) {
+ (void)printf("\t> ");
+ (void)fflush(stdout);
+ if (gets(buff) == NULL || buff[0] == '\n')
+ break;
+#if YYDEBUG
+ if (strcmp(buff, "yydebug") == 0) {
+ yydebug = !yydebug;
+ printf("yydebug = %s\n", yydebug ? "on" : "off");
+ continue;
+ }
+#endif /* YYDEBUG */
+ d = parsedate(buff, (TIMEINFO *)NULL);
+ if (d == -1)
+ (void)printf("Bad format - couldn't convert.\n");
+ else
+ (void)printf("%s", ctime(&d));
+ }
+
+ exit(0);
+ /* NOTREACHED */
+}
+#endif /* TEST */
+#line 825 "y.tab.c"
+#define YYABORT goto yyabort
+#define YYREJECT goto yyabort
+#define YYACCEPT goto yyaccept
+#define YYERROR goto yyerrlab
+int
+yyparse()
+{
+ register int yym, yyn, yystate;
+#if YYDEBUG
+ register char *yys;
+ extern char *getenv();
+
+ if (yys = getenv("YYDEBUG"))
+ {
+ yyn = *yys;
+ if (yyn >= '0' && yyn <= '9')
+ yydebug = yyn - '0';
+ }
#endif
+ yynerrs = 0;
+ yyerrflag = 0;
+ yychar = (-1);
- switch (yyn) {
+ yyssp = yyss;
+ yyvsp = yyvs;
+ *yyssp = yystate = 0;
+yyloop:
+ if (yyn = yydefred[yystate]) goto yyreduce;
+ if (yychar < 0)
+ {
+ if ((yychar = yylex()) < 0) yychar = 0;
+#if YYDEBUG
+ if (yydebug)
+ {
+ yys = 0;
+ if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
+ if (!yys) yys = "illegal-symbol";
+ printf("%sdebug: state %d, reading %d (%s)\n",
+ YYPREFIX, yystate, yychar, yys);
+ }
+#endif
+ }
+ if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("%sdebug: state %d, shifting to state %d\n",
+ YYPREFIX, yystate, yytable[yyn]);
+#endif
+ if (yyssp >= yyss + yystacksize - 1)
+ {
+ goto yyoverflow;
+ }
+ *++yyssp = yystate = yytable[yyn];
+ *++yyvsp = yylval;
+ yychar = (-1);
+ if (yyerrflag > 0) --yyerrflag;
+ goto yyloop;
+ }
+ if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
+ {
+ yyn = yytable[yyn];
+ goto yyreduce;
+ }
+ if (yyerrflag) goto yyinrecovery;
+#ifdef lint
+ goto yynewerror;
+#endif
+yynewerror:
+ yyerror("syntax error");
+#ifdef lint
+ goto yyerrlab;
+#endif
+yyerrlab:
+ ++yynerrs;
+yyinrecovery:
+ if (yyerrflag < 3)
+ {
+ yyerrflag = 3;
+ for (;;)
+ {
+ if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("%sdebug: state %d, error recovery shifting\
+ to state %d\n", YYPREFIX, *yyssp, yytable[yyn]);
+#endif
+ if (yyssp >= yyss + yystacksize - 1)
+ {
+ goto yyoverflow;
+ }
+ *++yyssp = yystate = yytable[yyn];
+ *++yyvsp = yylval;
+ goto yyloop;
+ }
+ else
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("%sdebug: error recovery discarding state %d\n",
+ YYPREFIX, *yyssp);
+#endif
+ if (yyssp <= yyss) goto yyabort;
+ --yyssp;
+ --yyvsp;
+ }
+ }
+ }
+ else
+ {
+ if (yychar == 0) goto yyabort;
+#if YYDEBUG
+ if (yydebug)
+ {
+ yys = 0;
+ if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
+ if (!yys) yys = "illegal-symbol";
+ printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
+ YYPREFIX, yystate, yychar, yys);
+ }
+#endif
+ yychar = (-1);
+ goto yyloop;
+ }
+yyreduce:
+#if YYDEBUG
+ if (yydebug)
+ printf("%sdebug: state %d, reducing by rule %d (%s)\n",
+ YYPREFIX, yystate, yyn, yyrule[yyn]);
+#endif
+ yym = yylen[yyn];
+ yyval = yyvsp[1-yym];
+ switch (yyn)
+ {
case 3:
#line 118 "parsedate.y"
{
YYERROR;
}
#endif /* lint */
- ;
- break;}
+ }
+break;
case 4:
#line 127 "parsedate.y"
{
yyHaveTime++;
yyTimezone = yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 5:
#line 131 "parsedate.y"
{
yyHaveDate++;
- ;
- break;}
+ }
+break;
case 6:
#line 134 "parsedate.y"
{
yyHaveRel = 1;
- ;
- break;}
+ }
+break;
case 7:
#line 139 "parsedate.y"
{
}
yySeconds = 0;
yyMeridian = yyvsp[0].Meridian;
- ;
- break;}
+ }
+break;
case 8:
#line 151 "parsedate.y"
{
yyMinutes = yyvsp[-1].Number;
yySeconds = 0;
yyMeridian = yyvsp[0].Meridian;
- ;
- break;}
+ }
+break;
case 9:
#line 157 "parsedate.y"
{
yyTimezone = yyvsp[0].Number;
yyMeridian = MER24;
yyDSTmode = DSToff;
- ;
- break;}
+ }
+break;
case 10:
#line 164 "parsedate.y"
{
yyMinutes = yyvsp[-3].Number;
yySeconds = yyvsp[-1].Number;
yyMeridian = yyvsp[0].Meridian;
- ;
- break;}
+ }
+break;
case 11:
#line 170 "parsedate.y"
{
yyTimezone = yyvsp[0].Number;
yyMeridian = MER24;
yyDSTmode = DSToff;
- ;
- break;}
+ }
+break;
case 12:
#line 180 "parsedate.y"
{
yyval.Number = yyvsp[0].Number;
yyDSTmode = DSToff;
- ;
- break;}
+ }
+break;
case 13:
#line 184 "parsedate.y"
{
yyval.Number = yyvsp[0].Number;
yyDSTmode = DSTon;
- ;
- break;}
+ }
+break;
case 14:
#line 188 "parsedate.y"
{
}
yyval.Number = yyvsp[0].Number;
yyDSTmode = DSToff;
- ;
- break;}
+ }
+break;
case 15:
#line 196 "parsedate.y"
{
yyval.Number = yyvsp[0].Number;
yyDSTmode = DSToff;
- ;
- break;}
+ }
+break;
case 16:
#line 202 "parsedate.y"
{
}
yyval.Number = -((yyvsp[0].Number / 100) * 60 + i);
}
- ;
- break;}
+ }
+break;
case 17:
#line 223 "parsedate.y"
{
yyMonth = yyvsp[-2].Number;
yyDay = yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 18:
#line 227 "parsedate.y"
{
yyDay = yyvsp[-2].Number;
yyYear = yyvsp[0].Number;
}
- ;
- break;}
+ }
+break;
case 19:
#line 239 "parsedate.y"
{
yyMonth = yyvsp[-1].Number;
yyDay = yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 20:
#line 243 "parsedate.y"
{
yyMonth = yyvsp[-3].Number;
yyDay = yyvsp[-2].Number;
yyYear = yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 21:
#line 248 "parsedate.y"
{
yyDay = yyvsp[-1].Number;
yyMonth = yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 22:
#line 252 "parsedate.y"
{
yyDay = yyvsp[-2].Number;
yyMonth = yyvsp[-1].Number;
yyYear = yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 23:
#line 257 "parsedate.y"
{
yyDay = yyvsp[-2].Number;
yyMonth = yyvsp[-1].Number;
yyYear = yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 24:
#line 264 "parsedate.y"
{
yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 25:
#line 267 "parsedate.y"
{
yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 26:
#line 270 "parsedate.y"
{
yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 27:
#line 273 "parsedate.y"
{
yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number;
- ;
- break;}
+ }
+break;
case 28:
#line 278 "parsedate.y"
{
yyval.Meridian = MER24;
- ;
- break;}
+ }
+break;
case 29:
#line 281 "parsedate.y"
{
yyval.Meridian = yyvsp[0].Meridian;
- ;
- break;}
-}
- /* the action file gets copied in in place of this dollarsign */
-#line 465 "/usr/lib/bison.simple"
-\f
- yyvsp -= yylen;
- yyssp -= yylen;
-#ifdef YYLSP_NEEDED
- yylsp -= yylen;
-#endif
-
-#if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
-#endif
-
- *++yyvsp = yyval;
-
-#ifdef YYLSP_NEEDED
- yylsp++;
- if (yylen == 0)
- {
- yylsp->first_line = yylloc.first_line;
- yylsp->first_column = yylloc.first_column;
- yylsp->last_line = (yylsp-1)->last_line;
- yylsp->last_column = (yylsp-1)->last_column;
- yylsp->text = 0;
- }
- else
- {
- yylsp->last_line = (yylsp+yylen-1)->last_line;
- yylsp->last_column = (yylsp+yylen-1)->last_column;
- }
-#endif
-
- /* Now "shift" the result of the reduction.
- Determine what state that goes to,
- based on the state we popped back to
- and the rule number reduced by. */
-
- yyn = yyr1[yyn];
-
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTBASE];
-
- goto yynewstate;
-
-yyerrlab: /* here on detecting error */
-
- if (! yyerrstatus)
- /* If not already recovering from an error, report this error. */
- {
- ++yynerrs;
-
-#ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- int size = 0;
- char *msg;
- int x, count;
-
- count = 0;
- /* Start X at -yyn if nec to avoid negative indexes in yycheck. */
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) malloc(size + 15);
- if (msg != 0)
- {
- strcpy(msg, "parse error");
-
- if (count < 5)
- {
- count = 0;
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- {
- strcat(msg, count == 0 ? ", expecting `" : " or `");
- strcat(msg, yytname[x]);
- strcat(msg, "'");
- count++;
- }
- }
- yyerror(msg);
- free(msg);
- }
- else
- yyerror ("parse error; also virtual memory exceeded");
}
- else
-#endif /* YYERROR_VERBOSE */
- yyerror("parse error");
+break;
+#line 1201 "y.tab.c"
}
-
- goto yyerrlab1;
-yyerrlab1: /* here on error raised explicitly by an action */
-
- if (yyerrstatus == 3)
+ yyssp -= yym;
+ yystate = *yyssp;
+ yyvsp -= yym;
+ yym = yylhs[yyn];
+ if (yystate == 0 && yym == 0)
{
- /* if just tried and failed to reuse lookahead token after an error, discard it. */
-
- /* return failure if at end of input */
- if (yychar == YYEOF)
- YYABORT;
-
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
-#endif
-
- yychar = YYEMPTY;
- }
-
- /* Else will try to reuse lookahead token
- after shifting the error token. */
-
- yyerrstatus = 3; /* Each real token shifted decrements this */
-
- goto yyerrhandle;
-
-yyerrdefault: /* current state does not do anything special for the error token. */
-
-#if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
- yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
- if (yyn) goto yydefault;
+#if YYDEBUG
+ if (yydebug)
+ printf("%sdebug: after reduction, shifting from state 0 to\
+ state %d\n", YYPREFIX, YYFINAL);
#endif
-
-yyerrpop: /* pop the current state because it cannot handle the error token */
-
- if (yyssp == yyss) YYABORT;
- yyvsp--;
- yystate = *--yyssp;
-#ifdef YYLSP_NEEDED
- yylsp--;
+ yystate = YYFINAL;
+ *++yyssp = YYFINAL;
+ *++yyvsp = yyval;
+ if (yychar < 0)
+ {
+ if ((yychar = yylex()) < 0) yychar = 0;
+#if YYDEBUG
+ if (yydebug)
+ {
+ yys = 0;
+ if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
+ if (!yys) yys = "illegal-symbol";
+ printf("%sdebug: state %d, reading %d (%s)\n",
+ YYPREFIX, YYFINAL, yychar, yys);
+ }
#endif
-
-#if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "Error: state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
+ }
+ if (yychar == 0) goto yyaccept;
+ goto yyloop;
}
+ if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
+ yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
+ yystate = yytable[yyn];
+ else
+ yystate = yydgoto[yym];
+#if YYDEBUG
+ if (yydebug)
+ printf("%sdebug: after reduction, shifting from state %d \
+to state %d\n", YYPREFIX, *yyssp, yystate);
#endif
-
-yyerrhandle:
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
-
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
-
- yyn = yytable[yyn];
- if (yyn < 0)
+ if (yyssp >= yyss + yystacksize - 1)
{
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
+ goto yyoverflow;
}
- else if (yyn == 0)
- goto yyerrpop;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting error token, ");
-#endif
-
- *++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
-#endif
-
- yystate = yyn;
- goto yynewstate;
+ *++yyssp = yystate;
+ *++yyvsp = yyval;
+ goto yyloop;
+yyoverflow:
+ yyerror("yacc stack overflow");
+yyabort:
+ return (1);
+yyaccept:
+ return (0);
}
-#line 286 "parsedate.y"
-
-
-/* Month and day table. */
-static TABLE MonthDayTable[] = {
- { "january", tMONTH, 1 },
- { "february", tMONTH, 2 },
- { "march", tMONTH, 3 },
- { "april", tMONTH, 4 },
- { "may", tMONTH, 5 },
- { "june", tMONTH, 6 },
- { "july", tMONTH, 7 },
- { "august", tMONTH, 8 },
- { "september", tMONTH, 9 },
- { "october", tMONTH, 10 },
- { "november", tMONTH, 11 },
- { "december", tMONTH, 12 },
- /* The value of the day isn't used... */
- { "sunday", tDAY, 0 },
- { "monday", tDAY, 0 },
- { "tuesday", tDAY, 0 },
- { "wednesday", tDAY, 0 },
- { "thursday", tDAY, 0 },
- { "friday", tDAY, 0 },
- { "saturday", tDAY, 0 },
-};
-
-/* Time units table. */
-static TABLE UnitsTable[] = {
- { "year", tMONTH_UNIT, 12 },
- { "month", tMONTH_UNIT, 1 },
- { "week", tSEC_UNIT, 7L * 24 * 60 * 60 },
- { "day", tSEC_UNIT, 1L * 24 * 60 * 60 },
- { "hour", tSEC_UNIT, 60 * 60 },
- { "minute", tSEC_UNIT, 60 },
- { "min", tSEC_UNIT, 60 },
- { "second", tSEC_UNIT, 1 },
- { "sec", tSEC_UNIT, 1 },
-};
-
-/* Timezone table. */
-static TABLE TimezoneTable[] = {
- { "gmt", tZONE, HOUR( 0) }, /* Greenwich Mean */
- { "ut", tZONE, HOUR( 0) }, /* Universal */
- { "utc", tZONE, HOUR( 0) }, /* Universal Coordinated */
- { "cut", tZONE, HOUR( 0) }, /* Coordinated Universal */
- { "z", tZONE, HOUR( 0) }, /* Greenwich Mean */
- { "wet", tZONE, HOUR( 0) }, /* Western European */
- { "bst", tDAYZONE, HOUR( 0) }, /* British Summer */
- { "nst", tZONE, HOUR(3)+30 }, /* Newfoundland Standard */
- { "ndt", tDAYZONE, HOUR(3)+30 }, /* Newfoundland Daylight */
- { "ast", tZONE, HOUR( 4) }, /* Atlantic Standard */
- { "adt", tDAYZONE, HOUR( 4) }, /* Atlantic Daylight */
- { "est", tZONE, HOUR( 5) }, /* Eastern Standard */
- { "edt", tDAYZONE, HOUR( 5) }, /* Eastern Daylight */
- { "cst", tZONE, HOUR( 6) }, /* Central Standard */
- { "cdt", tDAYZONE, HOUR( 6) }, /* Central Daylight */
- { "mst", tZONE, HOUR( 7) }, /* Mountain Standard */
- { "mdt", tDAYZONE, HOUR( 7) }, /* Mountain Daylight */
- { "pst", tZONE, HOUR( 8) }, /* Pacific Standard */
- { "pdt", tDAYZONE, HOUR( 8) }, /* Pacific Daylight */
- { "yst", tZONE, HOUR( 9) }, /* Yukon Standard */
- { "ydt", tDAYZONE, HOUR( 9) }, /* Yukon Daylight */
- { "akst", tZONE, HOUR( 9) }, /* Alaska Standard */
- { "akdt", tDAYZONE, HOUR( 9) }, /* Alaska Daylight */
- { "hst", tZONE, HOUR(10) }, /* Hawaii Standard */
- { "hast", tZONE, HOUR(10) }, /* Hawaii-Aleutian Standard */
- { "hadt", tDAYZONE, HOUR(10) }, /* Hawaii-Aleutian Daylight */
- { "ces", tDAYZONE, -HOUR(1) }, /* Central European Summer */
- { "cest", tDAYZONE, -HOUR(1) }, /* Central European Summer */
- { "mez", tZONE, -HOUR(1) }, /* Middle European */
- { "mezt", tDAYZONE, -HOUR(1) }, /* Middle European Summer */
- { "cet", tZONE, -HOUR(1) }, /* Central European */
- { "met", tZONE, -HOUR(1) }, /* Middle European */
- { "eet", tZONE, -HOUR(2) }, /* Eastern Europe */
- { "msk", tZONE, -HOUR(3) }, /* Moscow Winter */
- { "msd", tDAYZONE, -HOUR(3) }, /* Moscow Summer */
- { "wast", tZONE, -HOUR(8) }, /* West Australian Standard */
- { "wadt", tDAYZONE, -HOUR(8) }, /* West Australian Daylight */
- { "hkt", tZONE, -HOUR(8) }, /* Hong Kong */
- { "cct", tZONE, -HOUR(8) }, /* China Coast */
- { "jst", tZONE, -HOUR(9) }, /* Japan Standard */
- { "kst", tZONE, -HOUR(9) }, /* Korean Standard */
- { "kdt", tZONE, -HOUR(9) }, /* Korean Daylight */
- { "cast", tZONE, -(HOUR(9)+30) }, /* Central Australian Standard */
- { "cadt", tDAYZONE, -(HOUR(9)+30) }, /* Central Australian Daylight */
- { "east", tZONE, -HOUR(10) }, /* Eastern Australian Standard */
- { "eadt", tDAYZONE, -HOUR(10) }, /* Eastern Australian Daylight */
- { "nzst", tZONE, -HOUR(12) }, /* New Zealand Standard */
- { "nzdt", tDAYZONE, -HOUR(12) }, /* New Zealand Daylight */
-
- /* For completeness we include the following entries. */
-#if 0
-
- /* Duplicate names. Either they conflict with a zone listed above
- * (which is either more likely to be seen or just been in circulation
- * longer), or they conflict with another zone in this section and
- * we could not reasonably choose one over the other. */
- { "fst", tZONE, HOUR( 2) }, /* Fernando De Noronha Standard */
- { "fdt", tDAYZONE, HOUR( 2) }, /* Fernando De Noronha Daylight */
- { "bst", tZONE, HOUR( 3) }, /* Brazil Standard */
- { "est", tZONE, HOUR( 3) }, /* Eastern Standard (Brazil) */
- { "edt", tDAYZONE, HOUR( 3) }, /* Eastern Daylight (Brazil) */
- { "wst", tZONE, HOUR( 4) }, /* Western Standard (Brazil) */
- { "wdt", tDAYZONE, HOUR( 4) }, /* Western Daylight (Brazil) */
- { "cst", tZONE, HOUR( 5) }, /* Chile Standard */
- { "cdt", tDAYZONE, HOUR( 5) }, /* Chile Daylight */
- { "ast", tZONE, HOUR( 5) }, /* Acre Standard */
- { "adt", tDAYZONE, HOUR( 5) }, /* Acre Daylight */
- { "cst", tZONE, HOUR( 5) }, /* Cuba Standard */
- { "cdt", tDAYZONE, HOUR( 5) }, /* Cuba Daylight */
- { "est", tZONE, HOUR( 6) }, /* Easter Island Standard */
- { "edt", tDAYZONE, HOUR( 6) }, /* Easter Island Daylight */
- { "sst", tZONE, HOUR(11) }, /* Samoa Standard */
- { "ist", tZONE, -HOUR(2) }, /* Israel Standard */
- { "idt", tDAYZONE, -HOUR(2) }, /* Israel Daylight */
- { "idt", tDAYZONE, -(HOUR(3)+30) }, /* Iran Daylight */
- { "ist", tZONE, -(HOUR(3)+30) }, /* Iran Standard */
- { "cst", tZONE, -HOUR(8) }, /* China Standard */
- { "cdt", tDAYZONE, -HOUR(8) }, /* China Daylight */
- { "sst", tZONE, -HOUR(8) }, /* Singapore Standard */
-
- /* Dubious (e.g., not in Olson's TIMEZONE package) or obsolete. */
- { "gst", tZONE, HOUR( 3) }, /* Greenland Standard */
- { "wat", tZONE, -HOUR(1) }, /* West Africa */
- { "at", tZONE, HOUR( 2) }, /* Azores */
- { "gst", tZONE, -HOUR(10) }, /* Guam Standard */
- { "nft", tZONE, HOUR(3)+30 }, /* Newfoundland */
- { "idlw", tZONE, HOUR(12) }, /* International Date Line West */
- { "mewt", tZONE, -HOUR(1) }, /* Middle European Winter */
- { "mest", tDAYZONE, -HOUR(1) }, /* Middle European Summer */
- { "swt", tZONE, -HOUR(1) }, /* Swedish Winter */
- { "sst", tDAYZONE, -HOUR(1) }, /* Swedish Summer */
- { "fwt", tZONE, -HOUR(1) }, /* French Winter */
- { "fst", tDAYZONE, -HOUR(1) }, /* French Summer */
- { "bt", tZONE, -HOUR(3) }, /* Baghdad */
- { "it", tZONE, -(HOUR(3)+30) }, /* Iran */
- { "zp4", tZONE, -HOUR(4) }, /* USSR Zone 3 */
- { "zp5", tZONE, -HOUR(5) }, /* USSR Zone 4 */
- { "ist", tZONE, -(HOUR(5)+30) }, /* Indian Standard */
- { "zp6", tZONE, -HOUR(6) }, /* USSR Zone 5 */
- { "nst", tZONE, -HOUR(7) }, /* North Sumatra */
- { "sst", tZONE, -HOUR(7) }, /* South Sumatra */
- { "jt", tZONE, -(HOUR(7)+30) }, /* Java (3pm in Cronusland!) */
- { "nzt", tZONE, -HOUR(12) }, /* New Zealand */
- { "idle", tZONE, -HOUR(12) }, /* International Date Line East */
- { "cat", tZONE, HOUR(10) }, /* -- expired 1967 */
- { "nt", tZONE, HOUR(11) }, /* -- expired 1967 */
- { "ahst", tZONE, HOUR(10) }, /* -- expired 1983 */
- { "hdt", tDAYZONE, HOUR(10) }, /* -- expired 1986 */
-#endif /* 0 */
-};
-
-
-/* ARGSUSED */
-static void
-date_error(s)
- char *s;
-{
- /* NOTREACHED */
-}
-
-
-static time_t
-ToSeconds(Hours, Minutes, Seconds, Meridian)
- time_t Hours;
- time_t Minutes;
- time_t Seconds;
- MERIDIAN Meridian;
-{
- if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 61)
- return -1;
- if (Meridian == MER24) {
- if (Hours < 0 || Hours > 23)
- return -1;
- }
- else {
- if (Hours < 1 || Hours > 12)
- return -1;
- if (Hours == 12)
- Hours = 0;
- if (Meridian == MERpm)
- Hours += 12;
- }
- return (Hours * 60L + Minutes) * 60L + Seconds;
-}
-
-
-static time_t
-Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, dst)
- time_t Month;
- time_t Day;
- time_t Year;
- time_t Hours;
- time_t Minutes;
- time_t Seconds;
- MERIDIAN Meridian;
- DSTMODE dst;
-{
- static int DaysNormal[13] = {
- 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
- };
- static int DaysLeap[13] = {
- 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
- };
- static int LeapYears[] = {
- 1972, 1976, 1980, 1984, 1988, 1992, 1996,
- 2000, 2004, 2008, 2012, 2016, 2020, 2024, 2028, 2032, 2036
- };
- register int *yp;
- register int *mp;
- register time_t Julian;
- register int i;
- time_t tod;
-
- if (Year < 0)
- Year = -Year;
- if (Year < 100)
- Year += 1900;
- if (Year < EPOCH)
- Year += 100;
- for (mp = DaysNormal, yp = LeapYears; yp < ENDOF(LeapYears); yp++)
- if (Year == *yp) {
- mp = DaysLeap;
- break;
- }
- if (Year < EPOCH || Year > END_OF_TIME
- || Month < 1 || Month > 12
- /* NOSTRICT *//* conversion from long may lose accuracy */
- || Day < 1 || Day > mp[(int)Month])
- return -1;
-
- Julian = Day - 1 + (Year - EPOCH) * 365;
- for (yp = LeapYears; yp < ENDOF(LeapYears); yp++, Julian++)
- if (Year <= *yp)
- break;
- for (i = 1; i < Month; i++)
- Julian += *++mp;
- Julian *= SECSPERDAY;
- Julian += yyTimezone * 60L;
- if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0)
- return -1;
- Julian += tod;
- tod = Julian;
- if (dst == DSTon || (dst == DSTmaybe && localtime(&tod)->tm_isdst))
- Julian -= DST_OFFSET * 60L * 60L;
- return Julian;
-}
-
-
-static time_t
-DSTcorrect(Start, Future)
- time_t Start;
- time_t Future;
-{
- time_t StartDay;
- time_t FutureDay;
-
- StartDay = (localtime(&Start)->tm_hour + 1) % 24;
- FutureDay = (localtime(&Future)->tm_hour + 1) % 24;
- return (Future - Start) + (StartDay - FutureDay) * DST_OFFSET * 60L * 60L;
-}
-
-
-static time_t
-RelativeMonth(Start, RelMonth)
- time_t Start;
- time_t RelMonth;
-{
- struct tm *tm;
- time_t Month;
- time_t Year;
-
- tm = localtime(&Start);
- Month = 12 * tm->tm_year + tm->tm_mon + RelMonth;
- Year = Month / 12;
- Month = Month % 12 + 1;
- return DSTcorrect(Start,
- Convert(Month, (time_t)tm->tm_mday, Year,
- (time_t)tm->tm_hour, (time_t)tm->tm_min, (time_t)tm->tm_sec,
- MER24, DSTmaybe));
-}
-
-
-static int
-LookupWord(buff, length)
- char *buff;
- register int length;
-{
- register char *p;
- register char *q;
- register TABLE *tp;
- register int c;
-
- p = buff;
- c = p[0];
-
- /* See if we have an abbreviation for a month. */
- if (length == 3 || (length == 4 && p[3] == '.'))
- for (tp = MonthDayTable; tp < ENDOF(MonthDayTable); tp++) {
- q = tp->name;
- if (c == q[0] && p[1] == q[1] && p[2] == q[2]) {
- yylval.Number = tp->value;
- return tp->type;
- }
- }
- else
- for (tp = MonthDayTable; tp < ENDOF(MonthDayTable); tp++)
- if (c == tp->name[0] && strcmp(p, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- /* Try for a timezone. */
- for (tp = TimezoneTable; tp < ENDOF(TimezoneTable); tp++)
- if (c == tp->name[0] && p[1] == tp->name[1]
- && strcmp(p, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- /* Try the units table. */
- for (tp = UnitsTable; tp < ENDOF(UnitsTable); tp++)
- if (c == tp->name[0] && strcmp(p, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- /* Strip off any plural and try the units table again. */
- if (--length > 0 && p[length] == 's') {
- p[length] = '\0';
- for (tp = UnitsTable; tp < ENDOF(UnitsTable); tp++)
- if (c == tp->name[0] && strcmp(p, tp->name) == 0) {
- p[length] = 's';
- yylval.Number = tp->value;
- return tp->type;
- }
- p[length] = 's';
- }
- length++;
-
- /* Drop out any periods. */
- for (p = buff, q = (char*)buff; *q; q++)
- if (*q != '.')
- *p++ = *q;
- *p = '\0';
-
- /* Try the meridians. */
- if (buff[1] == 'm' && buff[2] == '\0') {
- if (buff[0] == 'a') {
- yylval.Meridian = MERam;
- return tMERIDIAN;
- }
- if (buff[0] == 'p') {
- yylval.Meridian = MERpm;
- return tMERIDIAN;
- }
- }
-
- /* If we saw any periods, try the timezones again. */
- if (p - buff != length) {
- c = buff[0];
- for (p = buff, tp = TimezoneTable; tp < ENDOF(TimezoneTable); tp++)
- if (c == tp->name[0] && p[1] == tp->name[1]
- && strcmp(p, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
- }
-
- /* Unknown word -- assume GMT timezone. */
- yylval.Number = 0;
- return tZONE;
-}
-
-
-int
-date_lex()
-{
- register char c;
- register char *p;
- char buff[20];
- register int sign;
- register int i;
- register int nesting;
-
- for ( ; ; ) {
- /* Get first character after the whitespace. */
- for ( ; ; ) {
- while (isspace(*yyInput))
- yyInput++;
- c = *yyInput;
-
- /* Ignore RFC 822 comments, typically time zone names. */
- if (c != LPAREN)
- break;
- for (nesting = 1; (c = *++yyInput) != RPAREN || --nesting; )
- if (c == LPAREN)
- nesting++;
- else if (!IS7BIT(c) || c == '\0' || c == '\r'
- || (c == '\\' && ((c = *++yyInput) == '\0' || !IS7BIT(c))))
- /* Lexical error: bad comment. */
- return '?';
- yyInput++;
- }
-
- /* A number? */
- if (isdigit(c) || c == '-' || c == '+') {
- if (c == '-' || c == '+') {
- sign = c == '-' ? -1 : 1;
- yyInput++;
- if (!isdigit(*yyInput))
- /* Skip the plus or minus sign. */
- continue;
- }
- else
- sign = 0;
- for (i = 0; (c = *yyInput++) != '\0' && isdigit(c); )
- i = 10 * i + c - '0';
- yyInput--;
- yylval.Number = sign < 0 ? -i : i;
- return sign ? tSNUMBER : tUNUMBER;
- }
-
- /* A word? */
- if (isalpha(c)) {
- for (p = buff; (c = *yyInput++) == '.' || isalpha(c); )
- if (p < &buff[sizeof buff - 1])
- *p++ = isupper(c) ? tolower(c) : c;
- *p = '\0';
- yyInput--;
- return LookupWord(buff, p - buff);
- }
-
- return *yyInput++;
- }
-}
-
-
-time_t
-parsedate(p)
- char *p;
-{
- extern int date_parse();
- time_t Start;
-
- yyInput = p;
-
- yyYear = 0;
- yyMonth = 0;
- yyDay = 0;
- yyTimezone = 0;
- yyDSTmode = DSTmaybe;
- yyHour = 0;
- yyMinutes = 0;
- yySeconds = 0;
- yyMeridian = MER24;
- yyRelSeconds = 0;
- yyRelMonth = 0;
- yyHaveDate = 0;
- yyHaveRel = 0;
- yyHaveTime = 0;
-
- if (date_parse() || yyHaveTime > 1 || yyHaveDate > 1)
- return -1;
-
- if (yyHaveDate || yyHaveTime) {
- Start = Convert(yyMonth, yyDay, yyYear, yyHour, yyMinutes, yySeconds,
- yyMeridian, yyDSTmode);
- if (Start < 0)
- return -1;
- }
- else
- return -1;
-
- Start += yyRelSeconds;
- if (yyRelMonth)
- Start += RelativeMonth(Start, yyRelMonth);
-
- /* Have to do *something* with a legitimate -1 so it's distinguishable
- * from the error return value. (Alternately could set errno on error.) */
- return Start == -1 ? 0 : Start;
-}
-
-
-#ifdef TEST
-
-#if YYDEBUG
-extern int yydebug;
-#endif /* YYDEBUG */
-
-/* ARGSUSED */
-int
-main(ac, av)
- int ac;
- char *av[];
-{
- char buff[128];
- time_t d;
-
-#if YYDEBUG
- yydebug = 1;
-#endif /* YYDEBUG */
-
- (void)printf("Enter date, or blank line to exit.\n\t> ");
- for ( ; ; ) {
- (void)printf("\t> ");
- (void)fflush(stdout);
- if (gets(buff) == NULL || buff[0] == '\n')
- break;
-#if YYDEBUG
- if (strcmp(buff, "yydebug") == 0) {
- yydebug = !yydebug;
- printf("yydebug = %s\n", yydebug ? "on" : "off");
- continue;
- }
-#endif /* YYDEBUG */
- d = parsedate(buff);
- if (d == -1)
- (void)printf("Bad format - couldn't convert.\n");
- else
- (void)printf("%s", ctime(&d));
- }
-
- exit(0);
- /* NOTREACHED */
-}
-#endif /* TEST */
projects / citadel.git / commitdiff