# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA
-
+m4_include(b4_pkgdatadir/[c.m4])
## ---------------- ##
## Default values. ##
This special exception was added by the Free Software Foundation
in version 1.24 of Bison. */
-/* Written by Richard Stallman by simplifying the original so called
- ``semantic'' parser. */
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+ simplifying the original so-called "semantic" parser. */
/* All symbols defined below should begin with yy or YY, to avoid
infringing on user name space. This should be done even for local
#endif
/* Suppress unused-variable warnings by "using" E. */
-#define YYUSE(e) do {;} while (/*CONSTCOND*/ 0 && (e))
+#ifndef lint
+# define YYUSE(e) ((void) (e))
+#else
+# define YYUSE(e) /* empty */
+#endif
+
+/* Identity function, used to suppress warnings about constant conditions. */
+#ifndef lint
+# define YYID(n) (n)
+#else
+]b4_c_function_def([YYID], [static int], [[int i], [i]])[
+{
+ return i;
+}
+#endif
#if ! defined (yyoverflow) || YYERROR_VERBOSE
# endif
# ifdef YYSTACK_ALLOC
- /* Pacify GCC's `empty if-body' warning. */
-# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
# ifndef YYSTACK_ALLOC_MAXIMUM
/* The OS might guarantee only one guard page at the bottom of the stack,
and a page size can be as small as 4096 bytes. So we cannot safely
for (yyi = 0; yyi < (Count); yyi++) \
(To)[yyi] = (From)[yyi]; \
} \
- while (/*CONSTCOND*/ 0)
+ while (YYID (0))
# endif
# endif
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
- while (/*CONSTCOND*/ 0)
+ while (YYID (0))
#endif
typedef short int yysigned_char;
#endif
-/* YYFINAL -- State number of the termination state. */
+/* YYFINAL -- State number of the termination state. */
#define YYFINAL ]b4_final_state_number[
/* YYLAST -- Last index in YYTABLE. */
#define YYLAST ]b4_last[
-/* YYNTOKENS -- Number of terminals. */
+/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS ]b4_tokens_number[
-/* YYNNTS -- Number of nonterminals. */
+/* YYNNTS -- Number of nonterminals. */
#define YYNNTS ]b4_nterms_number[
-/* YYNRULES -- Number of rules. */
+/* YYNRULES -- Number of rules. */
#define YYNRULES ]b4_rules_number[
-/* YYNRULES -- Number of states. */
+/* YYNRULES -- Number of states. */
#define YYNSTATES ]b4_states_number[
/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
]b4_prhs[
};
-/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
static const ]b4_int_type_for([b4_rhs])[ yyrhs[] =
{
]b4_rhs[
#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
- First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] =
{
]b4_tname[
]b4_defact[
};
-/* YYDEFGOTO[NTERM-NUM]. */
+/* YYDEFGOTO[NTERM-NUM]. */
static const ]b4_int_type_for([b4_defgoto])[ yydefgoto[] =
{
]b4_defgoto[
yychar = (Token); \
yylval = (Value); \
yytoken = YYTRANSLATE (yychar); \
- YYPOPSTACK; \
+ YYPOPSTACK (1); \
goto yybackup; \
} \
else \
yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \
YYERROR; \
} \
-while (/*CONSTCOND*/ 0)
+while (YYID (0))
#define YYTERROR 1
#ifndef YYLLOC_DEFAULT
# define YYLLOC_DEFAULT(Current, Rhs, N) \
do \
- if (N) \
+ if (YYID (N)) \
{ \
(Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
(Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
(Current).first_column = (Current).last_column = \
YYRHSLOC (Rhs, 0).last_column; \
} \
- while (/*CONSTCOND*/ 0)
+ while (YYID (0))
#endif
do { \
if (yydebug) \
YYFPRINTF Args; \
-} while (/*CONSTCOND*/ 0)
+} while (YYID (0))
# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
do { \
if (yydebug) \
{ \
YYFPRINTF (stderr, "%s ", Title); \
- yysymprint (stderr, \
+ yy_symbol_print (stderr, \
Type, Value]b4_location_if([, Location])[]b4_user_args[); \
YYFPRINTF (stderr, "\n"); \
} \
-} while (/*CONSTCOND*/ 0)
+} while (YYID (0))
-]b4_yysymprint_generate([b4_c_function_def])[
+]b4_yy_symbol_print_generate([b4_c_function_def])[
/*------------------------------------------------------------------.
| yy_stack_print -- Print the state stack from its BOTTOM up to its |
[[short int *top], [top]])[
{
YYFPRINTF (stderr, "Stack now");
- for (/* Nothing. */; bottom <= top; ++bottom)
+ for (; bottom <= top; ++bottom)
YYFPRINTF (stderr, " %d", *bottom);
YYFPRINTF (stderr, "\n");
}
do { \
if (yydebug) \
yy_stack_print ((Bottom), (Top)); \
-} while (/*CONSTCOND*/ 0)
+} while (YYID (0))
/*------------------------------------------------.
for (yyi = 0; yyi < yynrhs; yyi++)
{
fprintf (stderr, " $%d = ", yyi + 1);
- yysymprint (stderr, yyrhs[yyprhs[yyrule] + yyi],
- &]b4_rhs_value(yynrhs, yyi + 1)[
- ]b4_location_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
- b4_user_args[);
+ yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
+ &]b4_rhs_value(yynrhs, yyi + 1)[
+ ]b4_location_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
+ b4_user_args[);
fprintf (stderr, "\n");
}
}
do { \
if (yydebug) \
yy_reduce_print (yyvsp, ]b4_location_if([yylsp, ])[Rule]b4_user_args[); \
-} while (/*CONSTCOND*/ 0)
+} while (YYID (0))
/* Nonzero means print parse trace. It is left uninitialized so that
multiple parsers can coexist. */
const char *yystr;
# endif
{
- const char *yys = yystr;
-
- while (*yys++ != '\0')
+ YYSIZE_T yylen;
+ for (yylen = 0; yystr[yylen]; yylen++)
continue;
-
- return yys - yystr - 1;
+ return yylen;
}
# endif
# endif
}
yyarg[yycount++] = yytname[yyx];
yysize1 = yysize + yytnamerr (0, yytname[yyx]);
- yysize_overflow |= yysize1 < yysize;
+ yysize_overflow |= (yysize1 < yysize);
yysize = yysize1;
yyfmt = yystpcpy (yyfmt, yyprefix);
yyprefix = yyor;
yyf = YY_(yyformat);
yysize1 = yysize + yystrlen (yyf);
- yysize_overflow |= yysize1 < yysize;
+ yysize_overflow |= (yysize1 < yysize);
yysize = yysize1;
if (yysize_overflow)
produced a string with the wrong number of "%s"s. */
char *yyp = yyresult;
int yyi = 0;
- while ((*yyp = *yyf))
+ while ((*yyp = *yyf) != '\0')
{
if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
{
YYLTYPE yylsa[YYINITDEPTH];
YYLTYPE *yyls = yylsa;
YYLTYPE *yylsp;
- /* The locations where the error started and ended. */
+ /* The locations where the error started and ended. */
YYLTYPE yyerror_range[2];]])[
-#define YYPOPSTACK (yyvsp--, yyssp--]b4_location_if([, yylsp--])[)
+#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)]b4_location_if([, yylsp -= (N)])[)
YYSIZE_T yystacksize = YYINITDEPTH;
YYSTYPE yyval;
]b4_location_if([ YYLTYPE yyloc;])[
- /* When reducing, the number of symbols on the RHS of the reduced
- rule. */
- int yylen;
+ /* The number of symbols on the RHS of the reduced rule.
+ Keep to zero when no symbol should be popped. */
+ int yylen = 0;
YYDPRINTF ((stderr, "Starting parse\n"));
m4_ifdef([b4_initial_action], [
m4_pushdef([b4_at_dollar], [m4_define([b4_at_dollar_used])yylloc])dnl
m4_pushdef([b4_dollar_dollar], [m4_define([b4_dollar_dollar_used])yylval])dnl
- /* User initialization code. */
+ /* User initialization code. */
b4_initial_action
m4_popdef([b4_dollar_dollar])dnl
m4_popdef([b4_at_dollar])dnl
`------------------------------------------------------------*/
yynewstate:
/* In all cases, when you get here, the value and location stacks
- have just been pushed. so pushing a state here evens the stacks.
- */
+ have just been pushed. So pushing a state here evens the stacks. */
yyssp++;
yysetstate:
#ifdef yyoverflow
{
- /* Give user a chance to reallocate the stack. Use copies of
+ /* 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;
`-----------*/
yybackup:
-/* Do appropriate processing given the current state. */
-/* Read a look-ahead token if we need one and don't already have one. */
-/* yyresume: */
+ /* Do appropriate processing given the current state. Read a
+ look-ahead token if we need one and don't already have one. */
/* First try to decide what to do without reference to look-ahead token. */
-
yyn = yypact[yystate];
if (yyn == YYPACT_NINF)
goto yydefault;
if (yyn == YYFINAL)
YYACCEPT;
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
+
/* Shift the look-ahead token. */
YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
- /* Discard the token being shifted unless it is eof. */
+ /* Discard the shifted token unless it is eof. */
if (yychar != YYEOF)
yychar = YYEMPTY;
+ yystate = yyn;
*++yyvsp = yylval;
]b4_location_if([ *++yylsp = yylloc;])[
-
- /* Count tokens shifted since error; after three, turn off error
- status. */
- if (yyerrstatus)
- yyerrstatus--;
-
- yystate = yyn;
goto yynewstate;
yyval = yyvsp[1-yylen];
]b4_location_if(
-[[ /* Default location. */
+[[ /* Default location. */
YYLLOC_DEFAULT (yyloc, yylsp - yylen, yylen);]])[
YY_REDUCE_PRINT (yyn);
switch (yyn)
{
- ]b4_actions[
+ ]b4_actions
+/* Line __line__ of yacc.c. */
+b4_syncline([@oline@], [@ofile@])[
default: break;
}
YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
-/* Line __line__ of yacc.c. */
-]b4_syncline([@oline@], [@ofile@])[
-\f
- yyvsp -= yylen;
- yyssp -= yylen;
-]b4_location_if([ yylsp -= yylen;])[
-
+ YYPOPSTACK (yylen);
+ yylen = 0;
YY_STACK_PRINT (yyss, yyssp);
*++yyvsp = yyval;
goto yyerrorlab;
]b4_location_if([[ yyerror_range[0] = yylsp[1-yylen];
- yylsp -= yylen;
- ]])[yyvsp -= yylen;
- yyssp -= yylen;
+]])[ /* Do not reclaim the symbols of the rule which action triggered
+ this YYERROR. */
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
yystate = *yyssp;
goto yyerrlab1;
]b4_location_if([[ yyerror_range[0] = *yylsp;]])[
yydestruct ("Error: popping",
yystos[yystate], yyvsp]b4_location_if([, yylsp])[]b4_user_args[);
- YYPOPSTACK;
+ YYPOPSTACK (1);
yystate = *yyssp;
YY_STACK_PRINT (yyss, yyssp);
}
]b4_location_if([[
yyerror_range[1] = yylloc;
/* Using YYLLOC is tempting, but would change the location of
- the look-ahead. YYLOC is available though. */
+ the look-ahead. YYLOC is available though. */
YYLLOC_DEFAULT (yyloc, yyerror_range - 1, 2);
*++yylsp = yyloc;]])[
- /* Shift the error token. */
+ /* Shift the error token. */
YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
yystate = yyn;
if (yychar != YYEOF && yychar != YYEMPTY)
yydestruct ("Cleanup: discarding lookahead",
yytoken, &yylval]b4_location_if([, &yylloc])[]b4_user_args[);
+ /* Do not reclaim the symbols of the rule which action triggered
+ this YYABORT or YYACCEPT. */
+ YYPOPSTACK (yylen);
+ YY_STACK_PRINT (yyss, yyssp);
while (yyssp != yyss)
{
yydestruct ("Cleanup: popping",
yystos[*yyssp], yyvsp]b4_location_if([, yylsp])[]b4_user_args[);
- YYPOPSTACK;
+ YYPOPSTACK (1);
}
#ifndef yyoverflow
if (yyss != yyssa)
projects / bison.git / blobdiff