From 8493984d04745ef57714bf30c9dfd9da3f073dad Mon Sep 17 00:00:00 2001
From: das <das>
Date: Fri, 29 Jun 2007 03:16:26 +0000
Subject: * generic/tclGetDate.y: use ckalloc/ckfree instead of
malloc/free. * generic/tclDate.c: bison 1.875e
---
generic/tclDate.c | 277 +++++++++++++++++++++++++++++++--------------------
generic/tclGetDate.y | 5 +-
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)
--
cgit v0.12