* generic/tclGetDate.y: use ckalloc/ckfree instead of malloc/free.

	* generic/tclDate.c:	bison 1.875e

2 files changed, 174 insertions, 108 deletions

diff --git a/generic/tclDate.c b/generic/tclDate.c
index 288b5a4..05f6d44 100644
--- a/generic/tclDate.c
+++ b/generic/tclDate.c
@@ -1,7 +1,7 @@
-/* A Bison parser, made by GNU Bison 1.875b.  */
+/* A Bison parser, made by GNU Bison 1.875e.  */
 
 /* Skeleton parser for Yacc-like parsing with Bison,
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 
    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
@@ -174,6 +174,9 @@ typedef struct DateInfo {
 #define YYPARSE_PARAM	info
 #define YYLEX_PARAM	info
 
+#define YYMALLOC	ckalloc
+#define YYFREE		ckfree
+
 #define yyDSTmode	(((DateInfo *) info)->dateDSTmode)
 #define yyDayOrdinal	(((DateInfo *) info)->dateDayOrdinal)
 #define yyDayNumber	(((DateInfo *) info)->dateDayNumber)
@@ -289,18 +292,25 @@ typedef union YYSTYPE {
 
 #if ! defined (yyoverflow) || YYERROR_VERBOSE
 
+# ifndef YYFREE
+#  define YYFREE free
+# endif
+# ifndef YYMALLOC
+#  define YYMALLOC malloc
+# endif
+
 /* The parser invokes alloca or malloc; define the necessary symbols.  */
 
-# if YYSTACK_USE_ALLOCA
-#  define YYSTACK_ALLOC alloca
+# ifdef YYSTACK_USE_ALLOCA
+#  if YYSTACK_USE_ALLOCA
+#   define YYSTACK_ALLOC alloca
+#  endif
 # else
-#  ifndef YYSTACK_USE_ALLOCA
-#   if defined (alloca) || defined (_ALLOCA_H)
-#    define YYSTACK_ALLOC alloca
-#   else
-#    ifdef __GNUC__
-#     define YYSTACK_ALLOC __builtin_alloca
-#    endif
+#  if defined (alloca) || defined (_ALLOCA_H)
+#   define YYSTACK_ALLOC alloca
+#  else
+#   ifdef __GNUC__
+#    define YYSTACK_ALLOC __builtin_alloca
 #   endif
 #  endif
 # endif
@@ -313,20 +323,20 @@ typedef union YYSTYPE {
 #   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
 #   define YYSIZE_T size_t
 #  endif
-#  define YYSTACK_ALLOC malloc
-#  define YYSTACK_FREE free
+#  define YYSTACK_ALLOC YYMALLOC
+#  define YYSTACK_FREE YYFREE
 # endif
 #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
 
 
 #if (! defined (yyoverflow) \
      && (! defined (__cplusplus) \
-	 || (YYSTYPE_IS_TRIVIAL)))
+	 || (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
 
 /* A type that is properly aligned for any stack member.  */
 union yyalloc
 {
-  short yyss;
+  short int yyss;
   YYSTYPE yyvs;
   };
 
@@ -336,13 +346,13 @@ union yyalloc
 /* The size of an array large to enough to hold all stacks, each with
    N elements.  */
 # define YYSTACK_BYTES(N) \
-     ((N) * (sizeof (short) + sizeof (YYSTYPE))				\
+     ((N) * (sizeof (short int) + sizeof (YYSTYPE))			\
       + YYSTACK_GAP_MAXIMUM)
 
 /* Copy COUNT objects from FROM to TO.  The source and destination do
    not overlap.  */
 # ifndef YYCOPY
-#  if 1 < __GNUC__
+#  if defined (__GNUC__) && 1 < __GNUC__
 #   define YYCOPY(To, From, Count) \
       __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
 #  else
@@ -378,7 +388,7 @@ union yyalloc
 #if defined (__STDC__) || defined (__cplusplus)
    typedef signed char yysigned_char;
 #else
-   typedef short yysigned_char;
+   typedef short int yysigned_char;
 #endif
 
 /* YYFINAL -- State number of the termination state. */
@@ -472,14 +482,14 @@ static const yysigned_char yyrhs[] =
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
-static const unsigned short yyrline[] =
+static const unsigned short int yyrline[] =
 {
-       0,   182,   182,   183,   186,   189,   192,   195,   198,   201,
-     204,   208,   213,   216,   222,   228,   236,   242,   253,   257,
-     261,   267,   271,   275,   279,   283,   289,   293,   298,   303,
-     308,   313,   317,   322,   326,   331,   338,   342,   348,   357,
-     366,   376,   390,   395,   398,   401,   404,   407,   410,   415,
-     418,   423,   427,   431,   437,   455,   458
+       0,   185,   185,   186,   189,   192,   195,   198,   201,   204,
+     207,   211,   216,   219,   225,   231,   239,   245,   256,   260,
+     264,   270,   274,   278,   282,   286,   292,   296,   301,   306,
+     311,   316,   320,   325,   329,   334,   341,   345,   351,   360,
+     369,   379,   393,   398,   401,   404,   407,   410,   413,   418,
+     421,   426,   430,   434,   440,   458,   461
 };
 #endif
 
@@ -488,12 +498,12 @@ static const unsigned short yyrline[] =
    First, the terminals, then, starting at YYNTOKENS, nonterminals. */
 static const char *const yytname[] =
 {
-  "$end", "error", "$undefined", "tAGO", "tDAY", "tDAYZONE", "tID", 
-  "tMERIDIAN", "tMINUTE_UNIT", "tMONTH", "tMONTH_UNIT", "tSTARDATE", 
-  "tSEC_UNIT", "tSNUMBER", "tUNUMBER", "tZONE", "tEPOCH", "tDST", 
-  "tISOBASE", "tDAY_UNIT", "tNEXT", "':'", "'-'", "','", "'/'", "'.'", 
-  "'+'", "$accept", "spec", "item", "time", "zone", "day", "date", 
-  "ordMonth", "iso", "trek", "relspec", "relunits", "sign", "unit", 
+  "$end", "error", "$undefined", "tAGO", "tDAY", "tDAYZONE", "tID",
+  "tMERIDIAN", "tMINUTE_UNIT", "tMONTH", "tMONTH_UNIT", "tSTARDATE",
+  "tSEC_UNIT", "tSNUMBER", "tUNUMBER", "tZONE", "tEPOCH", "tDST",
+  "tISOBASE", "tDAY_UNIT", "tNEXT", "':'", "'-'", "','", "'/'", "'.'",
+  "'+'", "$accept", "spec", "item", "time", "zone", "day", "date",
+  "ordMonth", "iso", "trek", "relspec", "relunits", "sign", "unit",
   "number", "o_merid", 0
 };
 #endif
@@ -501,7 +511,7 @@ static const char *const yytname[] =
 # ifdef YYPRINT
 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
    token YYLEX-NUM.  */
-static const unsigned short yytoknum[] =
+static const unsigned short int yytoknum[] =
 {
        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
      265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
@@ -644,7 +654,7 @@ static const unsigned char yystos[] =
 
 #define YYACCEPT	goto yyacceptlab
 #define YYABORT		goto yyabortlab
-#define YYERROR		goto yyerrlab1
+#define YYERROR		goto yyerrorlab
 
 
 /* Like YYERROR except do call yyerror.  This remains here temporarily
@@ -672,20 +682,50 @@ do								\
     }								\
 while (0)
 
+
 #define YYTERROR	1
 #define YYERRCODE	256
 
-/* YYLLOC_DEFAULT -- Compute the default location (before the actions
-   are run).  */
+
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+   If N is 0, then set CURRENT to the empty location which ends
+   the previous symbol: RHS[0] (always defined).  */
 
 #ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N)         \
-  Current.first_line   = Rhs[1].first_line;      \
-  Current.first_column = Rhs[1].first_column;    \
-  Current.last_line    = Rhs[N].last_line;       \
-  Current.last_column  = Rhs[N].last_column;
+# define YYLLOC_DEFAULT(Current, Rhs, N)				     \
+do {									     \
+  if (N)								     \
+    {									     \
+      (Current).first_line   = (Rhs)[1].first_line;			     \
+      (Current).first_column = (Rhs)[1].first_column;			     \
+      (Current).last_line    = (Rhs)[N].last_line;			     \
+      (Current).last_column  = (Rhs)[N].last_column;			     \
+    }									     \
+  else									     \
+    {									     \
+      (Current).first_line   = (Current).last_line   = (Rhs)[0].last_line;   \
+      (Current).first_column = (Current).last_column = (Rhs)[0].last_column; \
+    }									     \
+} while(0)
+#endif
+
+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+   This macro was not mandated originally: define only if we know
+   we won't break user code: when these are the locations we know.  */
+
+#ifndef YY_LOCATION_PRINT
+# if YYLTYPE_IS_TRIVIAL
+#  define YY_LOCATION_PRINT(File, Loc)			\
+     fprintf (File, "%d.%d-%d.%d",			\
+              (Loc).first_line, (Loc).first_column,	\
+              (Loc).last_line,  (Loc).last_column)
+# else
+#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
 #endif
 
+
 /* YYLEX -- calling `yylex' with the right arguments.  */
 
 #ifdef YYLEX_PARAM
@@ -708,36 +748,30 @@ do {						\
     YYFPRINTF Args;				\
 } while (0)
 
-# define YYDSYMPRINT(Args)			\
-do {						\
-  if (yydebug)					\
-    yysymprint Args;				\
-} while (0)
-
-# define YYDSYMPRINTF(Title, Token, Value, Location)		\
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)		\
 do {								\
   if (yydebug)							\
     {								\
       YYFPRINTF (stderr, "%s ", Title);				\
       yysymprint (stderr, 					\
-                  Token, Value);	\
+                  Type, Value);	\
       YYFPRINTF (stderr, "\n");					\
     }								\
 } while (0)
 
 /*------------------------------------------------------------------.
 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
-| TOP (cinluded).                                                   |
+| TOP (included).                                                   |
 `------------------------------------------------------------------*/
 
 #if defined (__STDC__) || defined (__cplusplus)
 static void
-yy_stack_print (short *bottom, short *top)
+yy_stack_print (short int *bottom, short int *top)
 #else
 static void
 yy_stack_print (bottom, top)
-    short *bottom;
-    short *top;
+    short int *bottom;
+    short int *top;
 #endif
 {
   YYFPRINTF (stderr, "Stack now");
@@ -787,8 +821,7 @@ do {					\
 int yydebug;
 #else /* !YYDEBUG */
 # define YYDPRINTF(Args)
-# define YYDSYMPRINT(Args)
-# define YYDSYMPRINTF(Title, Token, Value, Location)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
 # define YY_STACK_PRINT(Bottom, Top)
 # define YY_REDUCE_PRINT(Rule)
 #endif /* !YYDEBUG */
@@ -806,7 +839,7 @@ int yydebug;
    SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
    evaluated with infinite-precision integer arithmetic.  */
 
-#if YYMAXDEPTH == 0
+#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0
 # undef YYMAXDEPTH
 #endif
 
@@ -891,15 +924,15 @@ yysymprint (yyoutput, yytype, yyvaluep)
   (void) yyvaluep;
 
   if (yytype < YYNTOKENS)
-    {
-      YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
-# ifdef YYPRINT
-      YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
-# endif
-    }
+    YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
   else
     YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
 
+
+# ifdef YYPRINT
+  if (yytype < YYNTOKENS)
+    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# endif
   switch (yytype)
     {
       default:
@@ -915,10 +948,11 @@ yysymprint (yyoutput, yytype, yyvaluep)
 
 #if defined (__STDC__) || defined (__cplusplus)
 static void
-yydestruct (int yytype, YYSTYPE *yyvaluep)
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
 #else
 static void
-yydestruct (yytype, yyvaluep)
+yydestruct (yymsg, yytype, yyvaluep)
+    const char *yymsg;
     int yytype;
     YYSTYPE *yyvaluep;
 #endif
@@ -926,6 +960,10 @@ yydestruct (yytype, yyvaluep)
   /* Pacify ``unused variable'' warnings.  */
   (void) yyvaluep;
 
+  if (!yymsg)
+    yymsg = "Deleting";
+  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
   switch (yytype)
     {
 
@@ -953,10 +991,10 @@ int yyparse ();
 
 
 
-/* The lookahead symbol.  */
+/* The look-ahead symbol.  */
 int yychar;
 
-/* The semantic value of the lookahead symbol.  */
+/* The semantic value of the look-ahead symbol.  */
 YYSTYPE yylval;
 
 /* Number of syntax errors so far.  */
@@ -992,7 +1030,7 @@ yyparse ()
   int yyresult;
   /* Number of tokens to shift before error messages enabled.  */
   int yyerrstatus;
-  /* Lookahead token as an internal (translated) token number.  */
+  /* Look-ahead token as an internal (translated) token number.  */
   int yytoken = 0;
 
   /* Three stacks and their tools:
@@ -1004,9 +1042,9 @@ yyparse ()
      to reallocate them elsewhere.  */
 
   /* The state stack.  */
-  short	yyssa[YYINITDEPTH];
-  short *yyss = yyssa;
-  register short *yyssp;
+  short int yyssa[YYINITDEPTH];
+  short int *yyss = yyssa;
+  register short int *yyssp;
 
   /* The semantic value stack.  */
   YYSTYPE yyvsa[YYINITDEPTH];
@@ -1043,6 +1081,9 @@ yyparse ()
   yyssp = yyss;
   yyvsp = yyvs;
 
+
+  yyvsp[0] = yylval;
+
   goto yysetstate;
 
 /*------------------------------------------------------------.
@@ -1068,7 +1109,7 @@ yyparse ()
 	   these so that the &'s don't force the real ones into
 	   memory.  */
 	YYSTYPE *yyvs1 = yyvs;
-	short *yyss1 = yyss;
+	short int *yyss1 = yyss;
 
 
 	/* Each stack pointer address is followed by the size of the
@@ -1096,7 +1137,7 @@ yyparse ()
 	yystacksize = YYMAXDEPTH;
 
       {
-	short *yyss1 = yyss;
+	short int *yyss1 = yyss;
 	union yyalloc *yyptr =
 	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
 	if (! yyptr)
@@ -1132,18 +1173,18 @@ yyparse ()
 yybackup:
 
 /* Do appropriate processing given the current state.  */
-/* Read a lookahead token if we need one and don't already have one.  */
+/* Read a look-ahead token if we need one and don't already have one.  */
 /* yyresume: */
 
-  /* First try to decide what to do without reference to lookahead token.  */
+  /* First try to decide what to do without reference to look-ahead token.  */
 
   yyn = yypact[yystate];
   if (yyn == YYPACT_NINF)
     goto yydefault;
 
-  /* Not known => get a lookahead token if don't already have one.  */
+  /* Not known => get a look-ahead token if don't already have one.  */
 
-  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
   if (yychar == YYEMPTY)
     {
       YYDPRINTF ((stderr, "Reading a token: "));
@@ -1158,7 +1199,7 @@ yybackup:
   else
     {
       yytoken = YYTRANSLATE (yychar);
-      YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc);
+      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
     }
 
   /* If the proper action on seeing token YYTOKEN is to reduce or to
@@ -1178,8 +1219,8 @@ yybackup:
   if (yyn == YYFINAL)
     YYACCEPT;
 
-  /* Shift the lookahead token.  */
-  YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));
+  /* Shift the look-ahead token.  */
+  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
 
   /* Discard the token being shifted unless it is eof.  */
   if (yychar != YYEOF)
@@ -1682,7 +1723,7 @@ yyreduce:
 
     }
 
-/* Line 999 of yacc.c.  */
+/* Line 1043 of yacc.c.  */
 
 
   yyvsp -= yylen;
@@ -1783,38 +1824,57 @@ yyerrlab:
 
   if (yyerrstatus == 3)
     {
-      /* If just tried and failed to reuse lookahead token after an
+      /* If just tried and failed to reuse look-ahead token after an
 	 error, discard it.  */
 
-      /* Return failure if at end of input.  */
-      if (yychar == YYEOF)
+      if (yychar <= YYEOF)
         {
-	  /* Pop the error token.  */
-          YYPOPSTACK;
-	  /* Pop the rest of the stack.  */
-	  while (yyss < yyssp)
-	    {
-	      YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
-	      yydestruct (yystos[*yyssp], yyvsp);
-	      YYPOPSTACK;
-	    }
-	  YYABORT;
+          /* If at end of input, pop the error token,
+	     then the rest of the stack, then return failure.  */
+	  if (yychar == YYEOF)
+	     for (;;)
+	       {
+
+		 YYPOPSTACK;
+		 if (yyssp == yyss)
+		   YYABORT;
+		 yydestruct ("Error: popping",
+                             yystos[*yyssp], yyvsp);
+	       }
         }
-
-      YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
-      yydestruct (yytoken, &yylval);
-      yychar = YYEMPTY;
-
+      else
+	{
+	  yydestruct ("Error: discarding", yytoken, &yylval);
+	  yychar = YYEMPTY;
+	}
     }
 
-  /* Else will try to reuse lookahead token after shifting the error
+  /* Else will try to reuse look-ahead token after shifting the error
      token.  */
   goto yyerrlab1;
 
 
-/*----------------------------------------------------.
-| yyerrlab1 -- error raised explicitly by an action.  |
-`----------------------------------------------------*/
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR.  |
+`---------------------------------------------------*/
+yyerrorlab:
+
+#ifdef __GNUC__
+  /* Pacify GCC when the user code never invokes YYERROR and the label
+     yyerrorlab therefore never appears in user code.  */
+  if (0)
+     goto yyerrorlab;
+#endif
+
+yyvsp -= yylen;
+  yyssp -= yylen;
+  yystate = *yyssp;
+  goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR.  |
+`-------------------------------------------------------------*/
 yyerrlab1:
   yyerrstatus = 3;	/* Each real token shifted decrements this.  */
 
@@ -1836,22 +1896,22 @@ yyerrlab1:
       if (yyssp == yyss)
 	YYABORT;
 
-      YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
-      yydestruct (yystos[yystate], yyvsp);
-      yyvsp--;
-      yystate = *--yyssp;
 
+      yydestruct ("Error: popping", yystos[yystate], yyvsp);
+      YYPOPSTACK;
+      yystate = *yyssp;
       YY_STACK_PRINT (yyss, yyssp);
     }
 
   if (yyn == YYFINAL)
     YYACCEPT;
 
-  YYDPRINTF ((stderr, "Shifting error token, "));
-
   *++yyvsp = yylval;
 
 
+  /* Shift the error token. */
+  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
+
   yystate = yyn;
   goto yynewstate;
 
@@ -1867,6 +1927,9 @@ yyacceptlab:
 | yyabortlab -- YYABORT comes here.  |
 `-----------------------------------*/
 yyabortlab:
+  yydestruct ("Error: discarding lookahead",
+              yytoken, &yylval);
+  yychar = YYEMPTY;
   yyresult = 1;
   goto yyreturn;
 
diff --git a/generic/tclGetDate.y b/generic/tclGetDate.y
index 607c8ae..9a8be8c 100644
--- a/generic/tclGetDate.y
+++ b/generic/tclGetDate.y
@@ -13,7 +13,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclGetDate.y,v 1.35 2007/04/20 05:51:10 kennykb Exp $
+ * RCS: @(#) $Id: tclGetDate.y,v 1.36 2007/06/29 03:16:26 das Exp $
  */
 
 %{
@@ -84,6 +84,9 @@ typedef struct DateInfo {
 #define YYPARSE_PARAM	info
 #define YYLEX_PARAM	info
 
+#define YYMALLOC	ckalloc
+#define YYFREE		ckfree
+
 #define yyDSTmode	(((DateInfo *) info)->dateDSTmode)
 #define yyDayOrdinal	(((DateInfo *) info)->dateDayOrdinal)
 #define yyDayNumber	(((DateInfo *) info)->dateDayNumber)