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-rw-r--r--ChangeLog14
-rw-r--r--INSTALL10
-rw-r--r--NEWS3
-rwxr-xr-xconfigure128
-rw-r--r--configure.ac7
-rw-r--r--intl/Makefile9
-rw-r--r--intl/plural.c2011
-rw-r--r--manual/install.texi14
8 files changed, 98 insertions, 2098 deletions
diff --git a/ChangeLog b/ChangeLog
index 8c042b8be6..4380b73a03 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2017-11-30 Juro Bystricky <juro.bystricky@linux.intel.com>
+
+ [BZ #22432]
+ * configure.ac (BISON): Require to be present.
+ * configure: Regenerated.
+ * intl/Makefile (generated): Add plural.c.
+ [$(BISON) != no]: Make code unconditional.
+ (plural.c): Change rule to $(objpfx)plural.c.
+ ($(objpfx)plural.o): Depend on $(objpfx)plural.c.
+ * intl/plural.c: Remove.
+ * manual/install.texi (Tools for Compilation): Document bison as
+ required.
+ * INSTALL: Regenerated.
+
2017-11-30 Joseph Myers <joseph@codesourcery.com>
* sysdeps/m68k/m680x0/fpu/s_llrint.c: Include
diff --git a/INSTALL b/INSTALL
index ac8db74a0f..d1a34c2a90 100644
--- a/INSTALL
+++ b/INSTALL
@@ -462,6 +462,11 @@ build the GNU C Library:
version 4.1.3 is the newest verified to work to build the GNU C
Library.
+ * GNU 'bison' 2.7 or later
+
+ 'bison' is used to generate the 'yacc' parser code in the 'intl'
+ subdirectory.
+
* Perl 5
Perl is not required, but it is used if present to test the
@@ -481,11 +486,6 @@ and if you change any of the message translation files you will need
* GNU 'gettext' 0.10.36 or later
-If you wish to regenerate the 'yacc' parser code in the 'intl'
-subdirectory you will need
-
- * GNU 'bison' 2.7 or later
-
You may also need these packages if you upgrade your source tree using
patches, although we try to avoid this.
diff --git a/NEWS b/NEWS
index f3fdf9aec5..48af4acaea 100644
--- a/NEWS
+++ b/NEWS
@@ -79,7 +79,8 @@ Deprecated and removed features, and other changes affecting compatibility:
Changes to build and runtime requirements:
- [Add changes to build and runtime requirements here]
+* bison version 2.7 or later is required to generate code in the 'intl'
+ subdirectory.
Security related changes:
diff --git a/configure b/configure
index d9d9243238..caba102846 100755
--- a/configure
+++ b/configure
@@ -632,7 +632,6 @@ ASFLAGS_config
libc_cv_cc_with_libunwind
libc_cv_insert
libc_cv_protected_data
-BISON
INSTALL_INFO
PERL
BASH_SHELL
@@ -645,6 +644,7 @@ PYTHON
PYTHON_PROG
AUTOCONF
NM
+BISON
AWK
SED
MAKEINFO
@@ -4940,6 +4940,69 @@ if test $ac_verc_fail = yes; then
critic_missing="$critic_missing gawk"
fi
+for ac_prog in bison
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_BISON+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$BISON"; then
+ ac_cv_prog_BISON="$BISON" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_BISON="$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+BISON=$ac_cv_prog_BISON
+if test -n "$BISON"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BISON" >&5
+$as_echo "$BISON" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$BISON" && break
+done
+
+if test -z "$BISON"; then
+ ac_verc_fail=yes
+else
+ # Found it, now check the version.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $BISON" >&5
+$as_echo_n "checking version of $BISON... " >&6; }
+ ac_prog_version=`$BISON --version 2>&1 | sed -n 's/^.*bison (GNU Bison) \([0-9]*\.[0-9.]*\).*$/\1/p'`
+ case $ac_prog_version in
+ '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
+ 2.7*|[3-9].*|[1-9][0-9]*)
+ ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
+ *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
+
+ esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+$as_echo "$ac_prog_version" >&6; }
+fi
+if test $ac_verc_fail = yes; then
+ critic_missing="$critic_missing bison"
+fi
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC is sufficient to build libc" >&5
$as_echo_n "checking if $CC is sufficient to build libc... " >&6; }
@@ -5399,69 +5462,6 @@ $as_echo "no" >&6; }
fi
-for ac_prog in bison
-do
- # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_BISON+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$BISON"; then
- ac_cv_prog_BISON="$BISON" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_BISON="$ac_prog"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-BISON=$ac_cv_prog_BISON
-if test -n "$BISON"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BISON" >&5
-$as_echo "$BISON" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$BISON" && break
-done
-
-if test -z "$BISON"; then
- ac_verc_fail=yes
-else
- # Found it, now check the version.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $BISON" >&5
-$as_echo_n "checking version of $BISON... " >&6; }
- ac_prog_version=`$BISON --version 2>&1 | sed -n 's/^.*bison (GNU Bison) \([0-9]*\.[0-9.]*\).*$/\1/p'`
- case $ac_prog_version in
- '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
- 2.7*|[3-9].*|[1-9][0-9]*)
- ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
- *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
-
- esac
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
-fi
-if test $ac_verc_fail = yes; then
- BISON=no
-fi
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .set assembler directive" >&5
$as_echo_n "checking for .set assembler directive... " >&6; }
diff --git a/configure.ac b/configure.ac
index 8ebc490a55..9707ae4d8e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -939,6 +939,9 @@ AC_CHECK_PROG_VER(SED, sed, --version,
AC_CHECK_PROG_VER(AWK, gawk, --version,
[GNU Awk[^0-9]*\([0-9][0-9.]*\)],
[3.1.[2-9]*|3.[2-9]*|[4-9]*], critic_missing="$critic_missing gawk")
+AC_CHECK_PROG_VER(BISON, bison, --version,
+ [bison (GNU Bison) \([0-9]*\.[0-9.]*\)],
+ [2.7*|[3-9].*|[1-9][0-9]*], critic_missing="$critic_missing bison")
AC_CACHE_CHECK([if $CC is sufficient to build libc], libc_cv_compiler_ok, [
AC_TRY_COMPILE([], [
@@ -1070,10 +1073,6 @@ if test "$PERL" != no &&
fi
AC_PATH_PROG(INSTALL_INFO, install-info, no,
$PATH:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin)
-AC_CHECK_PROG_VER(BISON, bison, --version,
- [bison (GNU Bison) \([0-9]*\.[0-9.]*\)],
- [2.7*|[3-9].*|[1-9][0-9]*],
- BISON=no)
AC_CACHE_CHECK(for .set assembler directive, libc_cv_asm_set_directive, [dnl
cat > conftest.s <<EOF
diff --git a/intl/Makefile b/intl/Makefile
index c8bec9b138..2deb6ef25e 100644
--- a/intl/Makefile
+++ b/intl/Makefile
@@ -38,14 +38,13 @@ before-compile += $(objpfx)msgs.h
install-others = $(inst_localedir)/locale.alias
-generated += msgs.h mtrace-tst-gettext.out tst-gettext.mtrace
+generated += msgs.h mtrace-tst-gettext.out tst-gettext.mtrace plural.c
generated-dirs += domaindir localedir
-ifneq (no,$(BISON))
-plural.c: plural.y
+$(objpfx)plural.c: plural.y
$(BISON) $(BISONFLAGS) $@ $^
-endif
-$(objpfx)plural.o: plural.c
+
+$(objpfx)plural.o: $(objpfx)plural.c
ifeq ($(run-built-tests),yes)
ifeq (yes,$(build-shared))
diff --git a/intl/plural.c b/intl/plural.c
deleted file mode 100644
index 73a71633f1..0000000000
--- a/intl/plural.c
+++ /dev/null
@@ -1,2011 +0,0 @@
-/* A Bison parser, made by GNU Bison 2.7. */
-
-/* Bison implementation for Yacc-like parsers in C
-
- Copyright (C) 1984, 1989-1990, 2000-2012 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
- the Free Software Foundation, either version 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
-
-/* As a special exception, you may create a larger work that contains
- part or all of the Bison parser skeleton and distribute that work
- under terms of your choice, so long as that work isn't itself a
- parser generator using the skeleton or a modified version thereof
- as a parser skeleton. Alternatively, if you modify or redistribute
- the parser skeleton itself, you may (at your option) remove this
- special exception, which will cause the skeleton and the resulting
- Bison output files to be licensed under the GNU General Public
- License without this special exception.
-
- This special exception was added by the Free Software Foundation in
- version 2.2 of Bison. */
-
-/* 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
- variables, as they might otherwise be expanded by user macros.
- There are some unavoidable exceptions within include files to
- define necessary library symbols; they are noted "INFRINGES ON
- USER NAME SPACE" below. */
-
-/* Identify Bison output. */
-#define YYBISON 1
-
-/* Bison version. */
-#define YYBISON_VERSION "2.7"
-
-/* Skeleton name. */
-#define YYSKELETON_NAME "yacc.c"
-
-/* Pure parsers. */
-#define YYPURE 2
-
-/* Push parsers. */
-#define YYPUSH 0
-
-/* Pull parsers. */
-#define YYPULL 1
-
-
-/* Substitute the variable and function names. */
-#define yyparse __gettextparse
-#define yylex __gettextlex
-#define yyerror __gettexterror
-#define yylval __gettextlval
-#define yychar __gettextchar
-#define yydebug __gettextdebug
-#define yynerrs __gettextnerrs
-
-/* Copy the first part of user declarations. */
-/* Line 371 of yacc.c */
-#line 1 "plural.y"
-
-/* Expression parsing for plural form selection.
- Copyright (C) 2000-2017 Free Software Foundation, Inc.
- Written by Ulrich Drepper <drepper@cygnus.com>, 2000.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, 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 Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-/* For bison < 2.0, the bison generated parser uses alloca. AIX 3 forces us
- to put this declaration at the beginning of the file. The declaration in
- bison's skeleton file comes too late. This must come before <config.h>
- because <config.h> may include arbitrary system headers.
- This can go away once the AM_INTL_SUBDIR macro requires bison >= 2.0. */
-#if defined _AIX && !defined __GNUC__
- #pragma alloca
-#endif
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include "plural-exp.h"
-
-/* The main function generated by the parser is called __gettextparse,
- but we want it to be called PLURAL_PARSE. */
-#ifndef _LIBC
-# define __gettextparse PLURAL_PARSE
-#endif
-
-
-/* Line 371 of yacc.c */
-#line 119 "plural.c"
-
-# ifndef YY_NULL
-# if defined __cplusplus && 201103L <= __cplusplus
-# define YY_NULL nullptr
-# else
-# define YY_NULL 0
-# endif
-# endif
-
-/* Enabling verbose error messages. */
-#ifdef YYERROR_VERBOSE
-# undef YYERROR_VERBOSE
-# define YYERROR_VERBOSE 1
-#else
-# define YYERROR_VERBOSE 0
-#endif
-
-
-/* Enabling traces. */
-#ifndef YYDEBUG
-# define YYDEBUG 0
-#endif
-#if YYDEBUG
-extern int __gettextdebug;
-#endif
-
-/* Tokens. */
-#ifndef YYTOKENTYPE
-# define YYTOKENTYPE
- /* Put the tokens into the symbol table, so that GDB and other debuggers
- know about them. */
- enum yytokentype {
- EQUOP2 = 258,
- CMPOP2 = 259,
- ADDOP2 = 260,
- MULOP2 = 261,
- NUMBER = 262
- };
-#endif
-/* Tokens. */
-#define EQUOP2 258
-#define CMPOP2 259
-#define ADDOP2 260
-#define MULOP2 261
-#define NUMBER 262
-
-
-
-#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
-typedef union YYSTYPE
-{
-/* Line 387 of yacc.c */
-#line 49 "plural.y"
-
- unsigned long int num;
- enum expression_operator op;
- struct expression *exp;
-
-
-/* Line 387 of yacc.c */
-#line 180 "plural.c"
-} YYSTYPE;
-# define YYSTYPE_IS_TRIVIAL 1
-# define yystype YYSTYPE /* obsolescent; will be withdrawn */
-# define YYSTYPE_IS_DECLARED 1
-#endif
-
-
-#ifdef YYPARSE_PARAM
-#if defined __STDC__ || defined __cplusplus
-int __gettextparse (void *YYPARSE_PARAM);
-#else
-int __gettextparse ();
-#endif
-#else /* ! YYPARSE_PARAM */
-#if defined __STDC__ || defined __cplusplus
-int __gettextparse (struct parse_args *arg);
-#else
-int __gettextparse ();
-#endif
-#endif /* ! YYPARSE_PARAM */
-
-
-
-/* Copy the second part of user declarations. */
-/* Line 390 of yacc.c */
-#line 55 "plural.y"
-
-/* Prototypes for local functions. */
-static int yylex (YYSTYPE *lval, struct parse_args *arg);
-static void yyerror (struct parse_args *arg, const char *str);
-
-/* Allocation of expressions. */
-
-static struct expression *
-new_exp (int nargs, enum expression_operator op,
- struct expression * const *args)
-{
- int i;
- struct expression *newp;
-
- /* If any of the argument could not be malloc'ed, just return NULL. */
- for (i = nargs - 1; i >= 0; i--)
- if (args[i] == NULL)
- goto fail;
-
- /* Allocate a new expression. */
- newp = (struct expression *) malloc (sizeof (*newp));
- if (newp != NULL)
- {
- newp->nargs = nargs;
- newp->operation = op;
- for (i = nargs - 1; i >= 0; i--)
- newp->val.args[i] = args[i];
- return newp;
- }
-
- fail:
- for (i = nargs - 1; i >= 0; i--)
- FREE_EXPRESSION (args[i]);
-
- return NULL;
-}
-
-static inline struct expression *
-new_exp_0 (enum expression_operator op)
-{
- return new_exp (0, op, NULL);
-}
-
-static inline struct expression *
-new_exp_1 (enum expression_operator op, struct expression *right)
-{
- struct expression *args[1];
-
- args[0] = right;
- return new_exp (1, op, args);
-}
-
-static struct expression *
-new_exp_2 (enum expression_operator op, struct expression *left,
- struct expression *right)
-{
- struct expression *args[2];
-
- args[0] = left;
- args[1] = right;
- return new_exp (2, op, args);
-}
-
-static inline struct expression *
-new_exp_3 (enum expression_operator op, struct expression *bexp,
- struct expression *tbranch, struct expression *fbranch)
-{
- struct expression *args[3];
-
- args[0] = bexp;
- args[1] = tbranch;
- args[2] = fbranch;
- return new_exp (3, op, args);
-}
-
-
-/* Line 390 of yacc.c */
-#line 284 "plural.c"
-
-#ifdef short
-# undef short
-#endif
-
-#ifdef YYTYPE_UINT8
-typedef YYTYPE_UINT8 yytype_uint8;
-#else
-typedef unsigned char yytype_uint8;
-#endif
-
-#ifdef YYTYPE_INT8
-typedef YYTYPE_INT8 yytype_int8;
-#elif (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-typedef signed char yytype_int8;
-#else
-typedef short int yytype_int8;
-#endif
-
-#ifdef YYTYPE_UINT16
-typedef YYTYPE_UINT16 yytype_uint16;
-#else
-typedef unsigned short int yytype_uint16;
-#endif
-
-#ifdef YYTYPE_INT16
-typedef YYTYPE_INT16 yytype_int16;
-#else
-typedef short int yytype_int16;
-#endif
-
-#ifndef YYSIZE_T
-# ifdef __SIZE_TYPE__
-# define YYSIZE_T __SIZE_TYPE__
-# elif defined size_t
-# define YYSIZE_T size_t
-# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
-# define YYSIZE_T size_t
-# else
-# define YYSIZE_T unsigned int
-# endif
-#endif
-
-#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
-
-#ifndef YY_
-# if defined YYENABLE_NLS && YYENABLE_NLS
-# if ENABLE_NLS
-# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
-# define YY_(Msgid) dgettext ("bison-runtime", Msgid)
-# endif
-# endif
-# ifndef YY_
-# define YY_(Msgid) Msgid
-# endif
-#endif
-
-/* Suppress unused-variable warnings by "using" E. */
-#if ! defined lint || defined __GNUC__
-# 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
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static int
-YYID (int yyi)
-#else
-static int
-YYID (yyi)
- int yyi;
-#endif
-{
- return yyi;
-}
-#endif
-
-#if ! defined yyoverflow || YYERROR_VERBOSE
-
-/* The parser invokes alloca or malloc; define the necessary symbols. */
-
-# ifdef YYSTACK_USE_ALLOCA
-# if YYSTACK_USE_ALLOCA
-# ifdef __GNUC__
-# define YYSTACK_ALLOC __builtin_alloca
-# elif defined __BUILTIN_VA_ARG_INCR
-# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
-# elif defined _AIX
-# define YYSTACK_ALLOC __alloca
-# elif defined _MSC_VER
-# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
-# define alloca _alloca
-# else
-# define YYSTACK_ALLOC alloca
-# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
- /* Use EXIT_SUCCESS as a witness for stdlib.h. */
-# ifndef EXIT_SUCCESS
-# define EXIT_SUCCESS 0
-# endif
-# endif
-# endif
-# endif
-# endif
-
-# ifdef YYSTACK_ALLOC
- /* 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
- invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
- to allow for a few compiler-allocated temporary stack slots. */
-# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
-# endif
-# else
-# define YYSTACK_ALLOC YYMALLOC
-# define YYSTACK_FREE YYFREE
-# ifndef YYSTACK_ALLOC_MAXIMUM
-# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
-# endif
-# if (defined __cplusplus && ! defined EXIT_SUCCESS \
- && ! ((defined YYMALLOC || defined malloc) \
- && (defined YYFREE || defined free)))
-# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
-# ifndef EXIT_SUCCESS
-# define EXIT_SUCCESS 0
-# endif
-# endif
-# ifndef YYMALLOC
-# define YYMALLOC malloc
-# if ! defined malloc && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
-# endif
-# endif
-# ifndef YYFREE
-# define YYFREE free
-# if ! defined free && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-void free (void *); /* INFRINGES ON USER NAME SPACE */
-# endif
-# endif
-# endif
-#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
-
-
-#if (! defined yyoverflow \
- && (! defined __cplusplus \
- || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
-
-/* A type that is properly aligned for any stack member. */
-union yyalloc
-{
- yytype_int16 yyss_alloc;
- YYSTYPE yyvs_alloc;
-};
-
-/* The size of the maximum gap between one aligned stack and the next. */
-# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
-
-/* The size of an array large to enough to hold all stacks, each with
- N elements. */
-# define YYSTACK_BYTES(N) \
- ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
- + YYSTACK_GAP_MAXIMUM)
-
-# define YYCOPY_NEEDED 1
-
-/* Relocate STACK from its old location to the new one. The
- local variables YYSIZE and YYSTACKSIZE give the old and new number of
- elements in the stack, and YYPTR gives the new location of the
- stack. Advance YYPTR to a properly aligned location for the next
- stack. */
-# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
- do \
- { \
- YYSIZE_T yynewbytes; \
- YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
- Stack = &yyptr->Stack_alloc; \
- yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
- yyptr += yynewbytes / sizeof (*yyptr); \
- } \
- while (YYID (0))
-
-#endif
-
-#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
-/* Copy COUNT objects from SRC to DST. The source and destination do
- not overlap. */
-# ifndef YYCOPY
-# if defined __GNUC__ && 1 < __GNUC__
-# define YYCOPY(Dst, Src, Count) \
- __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
-# else
-# define YYCOPY(Dst, Src, Count) \
- do \
- { \
- YYSIZE_T yyi; \
- for (yyi = 0; yyi < (Count); yyi++) \
- (Dst)[yyi] = (Src)[yyi]; \
- } \
- while (YYID (0))
-# endif
-# endif
-#endif /* !YYCOPY_NEEDED */
-
-/* YYFINAL -- State number of the termination state. */
-#define YYFINAL 9
-/* YYLAST -- Last index in YYTABLE. */
-#define YYLAST 54
-
-/* YYNTOKENS -- Number of terminals. */
-#define YYNTOKENS 16
-/* YYNNTS -- Number of nonterminals. */
-#define YYNNTS 3
-/* YYNRULES -- Number of rules. */
-#define YYNRULES 13
-/* YYNRULES -- Number of states. */
-#define YYNSTATES 27
-
-/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
-#define YYUNDEFTOK 2
-#define YYMAXUTOK 262
-
-#define YYTRANSLATE(YYX) \
- ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
-
-/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
-static const yytype_uint8 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, 10, 2, 2, 2, 2, 5, 2,
- 14, 15, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 12, 2,
- 2, 2, 2, 3, 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,
- 13, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 4, 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, 6, 7,
- 8, 9, 11
-};
-
-#if YYDEBUG
-/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
- YYRHS. */
-static const yytype_uint8 yyprhs[] =
-{
- 0, 0, 3, 5, 11, 15, 19, 23, 27, 31,
- 35, 38, 40, 42
-};
-
-/* YYRHS -- A `-1'-separated list of the rules' RHS. */
-static const yytype_int8 yyrhs[] =
-{
- 17, 0, -1, 18, -1, 18, 3, 18, 12, 18,
- -1, 18, 4, 18, -1, 18, 5, 18, -1, 18,
- 6, 18, -1, 18, 7, 18, -1, 18, 8, 18,
- -1, 18, 9, 18, -1, 10, 18, -1, 13, -1,
- 11, -1, 14, 18, 15, -1
-};
-
-/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
-static const yytype_uint8 yyrline[] =
-{
- 0, 152, 152, 160, 164, 168, 172, 176, 180, 184,
- 188, 192, 196, 201
-};
-#endif
-
-#if YYDEBUG || YYERROR_VERBOSE || 0
-/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
- First, the terminals, then, starting at YYNTOKENS, nonterminals. */
-static const char *const yytname[] =
-{
- "$end", "error", "$undefined", "'?'", "'|'", "'&'", "EQUOP2", "CMPOP2",
- "ADDOP2", "MULOP2", "'!'", "NUMBER", "':'", "'n'", "'('", "')'",
- "$accept", "start", "exp", YY_NULL
-};
-#endif
-
-# ifdef YYPRINT
-/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
- token YYLEX-NUM. */
-static const yytype_uint16 yytoknum[] =
-{
- 0, 256, 257, 63, 124, 38, 258, 259, 260, 261,
- 33, 262, 58, 110, 40, 41
-};
-# endif
-
-/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
-static const yytype_uint8 yyr1[] =
-{
- 0, 16, 17, 18, 18, 18, 18, 18, 18, 18,
- 18, 18, 18, 18
-};
-
-/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
-static const yytype_uint8 yyr2[] =
-{
- 0, 2, 1, 5, 3, 3, 3, 3, 3, 3,
- 2, 1, 1, 3
-};
-
-/* YYDEFACT[STATE-NAME] -- Default reduction number in state STATE-NUM.
- Performed when YYTABLE doesn't specify something else to do. Zero
- means the default is an error. */
-static const yytype_uint8 yydefact[] =
-{
- 0, 0, 12, 11, 0, 0, 2, 10, 0, 1,
- 0, 0, 0, 0, 0, 0, 0, 13, 0, 4,
- 5, 6, 7, 8, 9, 0, 3
-};
-
-/* YYDEFGOTO[NTERM-NUM]. */
-static const yytype_int8 yydefgoto[] =
-{
- -1, 5, 6
-};
-
-/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
- STATE-NUM. */
-#define YYPACT_NINF -10
-static const yytype_int8 yypact[] =
-{
- -9, -9, -10, -10, -9, 8, 36, -10, 13, -10,
- -9, -9, -9, -9, -9, -9, -9, -10, 26, 41,
- 45, 18, -2, 14, -10, -9, 36
-};
-
-/* YYPGOTO[NTERM-NUM]. */
-static const yytype_int8 yypgoto[] =
-{
- -10, -10, -1
-};
-
-/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
- positive, shift that token. If negative, reduce the rule which
- number is the opposite. If YYTABLE_NINF, syntax error. */
-#define YYTABLE_NINF -1
-static const yytype_uint8 yytable[] =
-{
- 7, 1, 2, 8, 3, 4, 15, 16, 9, 18,
- 19, 20, 21, 22, 23, 24, 10, 11, 12, 13,
- 14, 15, 16, 16, 26, 14, 15, 16, 17, 10,
- 11, 12, 13, 14, 15, 16, 0, 0, 25, 10,
- 11, 12, 13, 14, 15, 16, 12, 13, 14, 15,
- 16, 13, 14, 15, 16
-};
-
-#define yypact_value_is_default(Yystate) \
- (!!((Yystate) == (-10)))
-
-#define yytable_value_is_error(Yytable_value) \
- YYID (0)
-
-static const yytype_int8 yycheck[] =
-{
- 1, 10, 11, 4, 13, 14, 8, 9, 0, 10,
- 11, 12, 13, 14, 15, 16, 3, 4, 5, 6,
- 7, 8, 9, 9, 25, 7, 8, 9, 15, 3,
- 4, 5, 6, 7, 8, 9, -1, -1, 12, 3,
- 4, 5, 6, 7, 8, 9, 5, 6, 7, 8,
- 9, 6, 7, 8, 9
-};
-
-/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
- symbol of state STATE-NUM. */
-static const yytype_uint8 yystos[] =
-{
- 0, 10, 11, 13, 14, 17, 18, 18, 18, 0,
- 3, 4, 5, 6, 7, 8, 9, 15, 18, 18,
- 18, 18, 18, 18, 18, 12, 18
-};
-
-#define yyerrok (yyerrstatus = 0)
-#define yyclearin (yychar = YYEMPTY)
-#define YYEMPTY (-2)
-#define YYEOF 0
-
-#define YYACCEPT goto yyacceptlab
-#define YYABORT goto yyabortlab
-#define YYERROR goto yyerrorlab
-
-
-/* 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. However,
- YYFAIL appears to be in use. Nevertheless, it is formally deprecated
- in Bison 2.4.2's NEWS entry, where a plan to phase it out is
- discussed. */
-
-#define YYFAIL goto yyerrlab
-#if defined YYFAIL
- /* This is here to suppress warnings from the GCC cpp's
- -Wunused-macros. Normally we don't worry about that warning, but
- some users do, and we want to make it easy for users to remove
- YYFAIL uses, which will produce warnings from Bison 2.5. */
-#endif
-
-#define YYRECOVERING() (!!yyerrstatus)
-
-#define YYBACKUP(Token, Value) \
-do \
- if (yychar == YYEMPTY) \
- { \
- yychar = (Token); \
- yylval = (Value); \
- YYPOPSTACK (yylen); \
- yystate = *yyssp; \
- goto yybackup; \
- } \
- else \
- { \
- yyerror (arg, YY_("syntax error: cannot back up")); \
- YYERROR; \
- } \
-while (YYID (0))
-
-/* Error token number */
-#define YYTERROR 1
-#define YYERRCODE 256
-
-
-/* This macro is provided for backward compatibility. */
-#ifndef YY_LOCATION_PRINT
-# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
-#endif
-
-
-/* YYLEX -- calling `yylex' with the right arguments. */
-#ifdef YYLEX_PARAM
-# define YYLEX yylex (&yylval, YYLEX_PARAM)
-#else
-# define YYLEX yylex (&yylval, arg)
-#endif
-
-/* Enable debugging if requested. */
-#if YYDEBUG
-
-# ifndef YYFPRINTF
-# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
-# define YYFPRINTF fprintf
-# endif
-
-# define YYDPRINTF(Args) \
-do { \
- if (yydebug) \
- YYFPRINTF Args; \
-} while (YYID (0))
-
-# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
-do { \
- if (yydebug) \
- { \
- YYFPRINTF (stderr, "%s ", Title); \
- yy_symbol_print (stderr, \
- Type, Value, arg); \
- YYFPRINTF (stderr, "\n"); \
- } \
-} while (YYID (0))
-
-
-/*--------------------------------.
-| Print this symbol on YYOUTPUT. |
-`--------------------------------*/
-
-/*ARGSUSED*/
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static void
-yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, struct parse_args *arg)
-#else
-static void
-yy_symbol_value_print (yyoutput, yytype, yyvaluep, arg)
- FILE *yyoutput;
- int yytype;
- YYSTYPE const * const yyvaluep;
- struct parse_args *arg;
-#endif
-{
- FILE *yyo = yyoutput;
- YYUSE (yyo);
- if (!yyvaluep)
- return;
- YYUSE (arg);
-# ifdef YYPRINT
- if (yytype < YYNTOKENS)
- YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
-# else
- YYUSE (yyoutput);
-# endif
- switch (yytype)
- {
- default:
- break;
- }
-}
-
-
-/*--------------------------------.
-| Print this symbol on YYOUTPUT. |
-`--------------------------------*/
-
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static void
-yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, struct parse_args *arg)
-#else
-static void
-yy_symbol_print (yyoutput, yytype, yyvaluep, arg)
- FILE *yyoutput;
- int yytype;
- YYSTYPE const * const yyvaluep;
- struct parse_args *arg;
-#endif
-{
- if (yytype < YYNTOKENS)
- YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
- else
- YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
-
- yy_symbol_value_print (yyoutput, yytype, yyvaluep, arg);
- YYFPRINTF (yyoutput, ")");
-}
-
-/*------------------------------------------------------------------.
-| yy_stack_print -- Print the state stack from its BOTTOM up to its |
-| TOP (included). |
-`------------------------------------------------------------------*/
-
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static void
-yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
-#else
-static void
-yy_stack_print (yybottom, yytop)
- yytype_int16 *yybottom;
- yytype_int16 *yytop;
-#endif
-{
- YYFPRINTF (stderr, "Stack now");
- for (; yybottom <= yytop; yybottom++)
- {
- int yybot = *yybottom;
- YYFPRINTF (stderr, " %d", yybot);
- }
- YYFPRINTF (stderr, "\n");
-}
-
-# define YY_STACK_PRINT(Bottom, Top) \
-do { \
- if (yydebug) \
- yy_stack_print ((Bottom), (Top)); \
-} while (YYID (0))
-
-
-/*------------------------------------------------.
-| Report that the YYRULE is going to be reduced. |
-`------------------------------------------------*/
-
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static void
-yy_reduce_print (YYSTYPE *yyvsp, int yyrule, struct parse_args *arg)
-#else
-static void
-yy_reduce_print (yyvsp, yyrule, arg)
- YYSTYPE *yyvsp;
- int yyrule;
- struct parse_args *arg;
-#endif
-{
- int yynrhs = yyr2[yyrule];
- int yyi;
- unsigned long int yylno = yyrline[yyrule];
- YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
- yyrule - 1, yylno);
- /* The symbols being reduced. */
- for (yyi = 0; yyi < yynrhs; yyi++)
- {
- YYFPRINTF (stderr, " $%d = ", yyi + 1);
- yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
- &(yyvsp[(yyi + 1) - (yynrhs)])
- , arg);
- YYFPRINTF (stderr, "\n");
- }
-}
-
-# define YY_REDUCE_PRINT(Rule) \
-do { \
- if (yydebug) \
- yy_reduce_print (yyvsp, Rule, arg); \
-} while (YYID (0))
-
-/* Nonzero means print parse trace. It is left uninitialized so that
- multiple parsers can coexist. */
-int yydebug;
-#else /* !YYDEBUG */
-# define YYDPRINTF(Args)
-# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
-# define YY_STACK_PRINT(Bottom, Top)
-# define YY_REDUCE_PRINT(Rule)
-#endif /* !YYDEBUG */
-
-
-/* YYINITDEPTH -- initial size of the parser's stacks. */
-#ifndef YYINITDEPTH
-# define YYINITDEPTH 200
-#endif
-
-/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
- if the built-in stack extension method is used).
-
- Do not make this value too large; the results are undefined if
- YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
- evaluated with infinite-precision integer arithmetic. */
-
-#ifndef YYMAXDEPTH
-# define YYMAXDEPTH 10000
-#endif
-
-
-#if YYERROR_VERBOSE
-
-# ifndef yystrlen
-# if defined __GLIBC__ && defined _STRING_H
-# define yystrlen strlen
-# else
-/* Return the length of YYSTR. */
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static YYSIZE_T
-yystrlen (const char *yystr)
-#else
-static YYSIZE_T
-yystrlen (yystr)
- const char *yystr;
-#endif
-{
- YYSIZE_T yylen;
- for (yylen = 0; yystr[yylen]; yylen++)
- continue;
- return yylen;
-}
-# endif
-# endif
-
-# ifndef yystpcpy
-# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
-# define yystpcpy stpcpy
-# else
-/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
- YYDEST. */
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static char *
-yystpcpy (char *yydest, const char *yysrc)
-#else
-static char *
-yystpcpy (yydest, yysrc)
- char *yydest;
- const char *yysrc;
-#endif
-{
- char *yyd = yydest;
- const char *yys = yysrc;
-
- while ((*yyd++ = *yys++) != '\0')
- continue;
-
- return yyd - 1;
-}
-# endif
-# endif
-
-# ifndef yytnamerr
-/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
- quotes and backslashes, so that it's suitable for yyerror. The
- heuristic is that double-quoting is unnecessary unless the string
- contains an apostrophe, a comma, or backslash (other than
- backslash-backslash). YYSTR is taken from yytname. If YYRES is
- null, do not copy; instead, return the length of what the result
- would have been. */
-static YYSIZE_T
-yytnamerr (char *yyres, const char *yystr)
-{
- if (*yystr == '"')
- {
- YYSIZE_T yyn = 0;
- char const *yyp = yystr;
-
- for (;;)
- switch (*++yyp)
- {
- case '\'':
- case ',':
- goto do_not_strip_quotes;
-
- case '\\':
- if (*++yyp != '\\')
- goto do_not_strip_quotes;
- /* Fall through. */
- default:
- if (yyres)
- yyres[yyn] = *yyp;
- yyn++;
- break;
-
- case '"':
- if (yyres)
- yyres[yyn] = '\0';
- return yyn;
- }
- do_not_strip_quotes: ;
- }
-
- if (! yyres)
- return yystrlen (yystr);
-
- return yystpcpy (yyres, yystr) - yyres;
-}
-# endif
-
-/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message
- about the unexpected token YYTOKEN for the state stack whose top is
- YYSSP.
-
- Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is
- not large enough to hold the message. In that case, also set
- *YYMSG_ALLOC to the required number of bytes. Return 2 if the
- required number of bytes is too large to store. */
-static int
-yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg,
- yytype_int16 *yyssp, int yytoken)
-{
- YYSIZE_T yysize0 = yytnamerr (YY_NULL, yytname[yytoken]);
- YYSIZE_T yysize = yysize0;
- enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
- /* Internationalized format string. */
- const char *yyformat = YY_NULL;
- /* Arguments of yyformat. */
- char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
- /* Number of reported tokens (one for the "unexpected", one per
- "expected"). */
- int yycount = 0;
-
- /* There are many possibilities here to consider:
- - Assume YYFAIL is not used. It's too flawed to consider. See
- <http://lists.gnu.org/archive/html/bison-patches/2009-12/msg00024.html>
- for details. YYERROR is fine as it does not invoke this
- function.
- - If this state is a consistent state with a default action, then
- the only way this function was invoked is if the default action
- is an error action. In that case, don't check for expected
- tokens because there are none.
- - The only way there can be no lookahead present (in yychar) is if
- this state is a consistent state with a default action. Thus,
- detecting the absence of a lookahead is sufficient to determine
- that there is no unexpected or expected token to report. In that
- case, just report a simple "syntax error".
- - Don't assume there isn't a lookahead just because this state is a
- consistent state with a default action. There might have been a
- previous inconsistent state, consistent state with a non-default
- action, or user semantic action that manipulated yychar.
- - Of course, the expected token list depends on states to have
- correct lookahead information, and it depends on the parser not
- to perform extra reductions after fetching a lookahead from the
- scanner and before detecting a syntax error. Thus, state merging
- (from LALR or IELR) and default reductions corrupt the expected
- token list. However, the list is correct for canonical LR with
- one exception: it will still contain any token that will not be
- accepted due to an error action in a later state.
- */
- if (yytoken != YYEMPTY)
- {
- int yyn = yypact[*yyssp];
- yyarg[yycount++] = yytname[yytoken];
- if (!yypact_value_is_default (yyn))
- {
- /* Start YYX at -YYN if negative to avoid negative indexes in
- YYCHECK. In other words, skip the first -YYN actions for
- this state because they are default actions. */
- int yyxbegin = yyn < 0 ? -yyn : 0;
- /* Stay within bounds of both yycheck and yytname. */
- int yychecklim = YYLAST - yyn + 1;
- int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
- int yyx;
-
- for (yyx = yyxbegin; yyx < yyxend; ++yyx)
- if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR
- && !yytable_value_is_error (yytable[yyx + yyn]))
- {
- if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
- {
- yycount = 1;
- yysize = yysize0;
- break;
- }
- yyarg[yycount++] = yytname[yyx];
- {
- YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULL, yytname[yyx]);
- if (! (yysize <= yysize1
- && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
- return 2;
- yysize = yysize1;
- }
- }
- }
- }
-
- switch (yycount)
- {
-# define YYCASE_(N, S) \
- case N: \
- yyformat = S; \
- break
- YYCASE_(0, YY_("syntax error"));
- YYCASE_(1, YY_("syntax error, unexpected %s"));
- YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
- YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
- YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
- YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
-# undef YYCASE_
- }
-
- {
- YYSIZE_T yysize1 = yysize + yystrlen (yyformat);
- if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
- return 2;
- yysize = yysize1;
- }
-
- if (*yymsg_alloc < yysize)
- {
- *yymsg_alloc = 2 * yysize;
- if (! (yysize <= *yymsg_alloc
- && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM))
- *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM;
- return 1;
- }
-
- /* Avoid sprintf, as that infringes on the user's name space.
- Don't have undefined behavior even if the translation
- produced a string with the wrong number of "%s"s. */
- {
- char *yyp = *yymsg;
- int yyi = 0;
- while ((*yyp = *yyformat) != '\0')
- if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount)
- {
- yyp += yytnamerr (yyp, yyarg[yyi++]);
- yyformat += 2;
- }
- else
- {
- yyp++;
- yyformat++;
- }
- }
- return 0;
-}
-#endif /* YYERROR_VERBOSE */
-
-/*-----------------------------------------------.
-| Release the memory associated to this symbol. |
-`-----------------------------------------------*/
-
-/*ARGSUSED*/
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static void
-yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, struct parse_args *arg)
-#else
-static void
-yydestruct (yymsg, yytype, yyvaluep, arg)
- const char *yymsg;
- int yytype;
- YYSTYPE *yyvaluep;
- struct parse_args *arg;
-#endif
-{
- YYUSE (yyvaluep);
- YYUSE (arg);
-
- if (!yymsg)
- yymsg = "Deleting";
- YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
-
- switch (yytype)
- {
-
- default:
- break;
- }
-}
-
-
-
-
-/*----------.
-| yyparse. |
-`----------*/
-
-#ifdef YYPARSE_PARAM
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-int
-yyparse (void *YYPARSE_PARAM)
-#else
-int
-yyparse (YYPARSE_PARAM)
- void *YYPARSE_PARAM;
-#endif
-#else /* ! YYPARSE_PARAM */
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-int
-yyparse (struct parse_args *arg)
-#else
-int
-yyparse (arg)
- struct parse_args *arg;
-#endif
-#endif
-{
-/* The lookahead symbol. */
-int yychar;
-
-
-#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
-/* Suppress an incorrect diagnostic about yylval being uninitialized. */
-# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
- _Pragma ("GCC diagnostic push") \
- _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
- _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
-# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
- _Pragma ("GCC diagnostic pop")
-#else
-/* Default value used for initialization, for pacifying older GCCs
- or non-GCC compilers. */
-static YYSTYPE yyval_default;
-# define YY_INITIAL_VALUE(Value) = Value
-#endif
-#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
-# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
-# define YY_IGNORE_MAYBE_UNINITIALIZED_END
-#endif
-#ifndef YY_INITIAL_VALUE
-# define YY_INITIAL_VALUE(Value) /* Nothing. */
-#endif
-
-/* The semantic value of the lookahead symbol. */
-YYSTYPE yylval YY_INITIAL_VALUE(yyval_default);
-
- /* Number of syntax errors so far. */
- int yynerrs;
-
- int yystate;
- /* Number of tokens to shift before error messages enabled. */
- int yyerrstatus;
-
- /* The stacks and their tools:
- `yyss': related to states.
- `yyvs': related to semantic values.
-
- Refer to the stacks through separate pointers, to allow yyoverflow
- to reallocate them elsewhere. */
-
- /* The state stack. */
- yytype_int16 yyssa[YYINITDEPTH];
- yytype_int16 *yyss;
- yytype_int16 *yyssp;
-
- /* The semantic value stack. */
- YYSTYPE yyvsa[YYINITDEPTH];
- YYSTYPE *yyvs;
- YYSTYPE *yyvsp;
-
- YYSIZE_T yystacksize;
-
- int yyn;
- int yyresult;
- /* Lookahead token as an internal (translated) token number. */
- int yytoken = 0;
- /* The variables used to return semantic value and location from the
- action routines. */
- YYSTYPE yyval;
-
-#if YYERROR_VERBOSE
- /* Buffer for error messages, and its allocated size. */
- char yymsgbuf[128];
- char *yymsg = yymsgbuf;
- YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
-#endif
-
-#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
-
- /* The number of symbols on the RHS of the reduced rule.
- Keep to zero when no symbol should be popped. */
- int yylen = 0;
-
- yyssp = yyss = yyssa;
- yyvsp = yyvs = yyvsa;
- yystacksize = YYINITDEPTH;
-
- YYDPRINTF ((stderr, "Starting parse\n"));
-
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
- goto yysetstate;
-
-/*------------------------------------------------------------.
-| yynewstate -- Push a new state, which is found in yystate. |
-`------------------------------------------------------------*/
- 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. */
- yyssp++;
-
- yysetstate:
- *yyssp = yystate;
-
- if (yyss + yystacksize - 1 <= yyssp)
- {
- /* Get the current used size of the three stacks, in elements. */
- YYSIZE_T yysize = yyssp - yyss + 1;
-
-#ifdef yyoverflow
- {
- /* 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;
- yytype_int16 *yyss1 = yyss;
-
- /* Each stack pointer address is followed by the size of the
- data in use in that stack, in bytes. This used to be a
- conditional around just the two extra args, but that might
- be undefined if yyoverflow is a macro. */
- yyoverflow (YY_("memory exhausted"),
- &yyss1, yysize * sizeof (*yyssp),
- &yyvs1, yysize * sizeof (*yyvsp),
- &yystacksize);
-
- yyss = yyss1;
- yyvs = yyvs1;
- }
-#else /* no yyoverflow */
-# ifndef YYSTACK_RELOCATE
- goto yyexhaustedlab;
-# else
- /* Extend the stack our own way. */
- if (YYMAXDEPTH <= yystacksize)
- goto yyexhaustedlab;
- yystacksize *= 2;
- if (YYMAXDEPTH < yystacksize)
- yystacksize = YYMAXDEPTH;
-
- {
- yytype_int16 *yyss1 = yyss;
- union yyalloc *yyptr =
- (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
- if (! yyptr)
- goto yyexhaustedlab;
- YYSTACK_RELOCATE (yyss_alloc, yyss);
- YYSTACK_RELOCATE (yyvs_alloc, yyvs);
-# undef YYSTACK_RELOCATE
- if (yyss1 != yyssa)
- YYSTACK_FREE (yyss1);
- }
-# endif
-#endif /* no yyoverflow */
-
- yyssp = yyss + yysize - 1;
- yyvsp = yyvs + yysize - 1;
-
- YYDPRINTF ((stderr, "Stack size increased to %lu\n",
- (unsigned long int) yystacksize));
-
- if (yyss + yystacksize - 1 <= yyssp)
- YYABORT;
- }
-
- YYDPRINTF ((stderr, "Entering state %d\n", yystate));
-
- if (yystate == YYFINAL)
- YYACCEPT;
-
- goto yybackup;
-
-/*-----------.
-| yybackup. |
-`-----------*/
-yybackup:
-
- /* Do appropriate processing given the current state. Read a
- lookahead token if we need one and don't already have one. */
-
- /* First try to decide what to do without reference to lookahead token. */
- yyn = yypact[yystate];
- if (yypact_value_is_default (yyn))
- goto yydefault;
-
- /* Not known => get a lookahead token if don't already have one. */
-
- /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
- if (yychar == YYEMPTY)
- {
- YYDPRINTF ((stderr, "Reading a token: "));
- yychar = YYLEX;
- }
-
- if (yychar <= YYEOF)
- {
- yychar = yytoken = YYEOF;
- YYDPRINTF ((stderr, "Now at end of input.\n"));
- }
- else
- {
- yytoken = YYTRANSLATE (yychar);
- YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
- }
-
- /* If the proper action on seeing token YYTOKEN is to reduce or to
- detect an error, take that action. */
- yyn += yytoken;
- if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
- goto yydefault;
- yyn = yytable[yyn];
- if (yyn <= 0)
- {
- if (yytable_value_is_error (yyn))
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
- }
-
- /* Count tokens shifted since error; after three, turn off error
- status. */
- if (yyerrstatus)
- yyerrstatus--;
-
- /* Shift the lookahead token. */
- YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
-
- /* Discard the shifted token. */
- yychar = YYEMPTY;
-
- yystate = yyn;
- YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
- *++yyvsp = yylval;
- YY_IGNORE_MAYBE_UNINITIALIZED_END
-
- goto yynewstate;
-
-
-/*-----------------------------------------------------------.
-| yydefault -- do the default action for the current state. |
-`-----------------------------------------------------------*/
-yydefault:
- yyn = yydefact[yystate];
- if (yyn == 0)
- goto yyerrlab;
- goto yyreduce;
-
-
-/*-----------------------------.
-| yyreduce -- Do a reduction. |
-`-----------------------------*/
-yyreduce:
- /* yyn is the number of a rule to reduce with. */
- yylen = yyr2[yyn];
-
- /* If YYLEN is nonzero, implement the default value of the action:
- `$$ = $1'.
-
- Otherwise, the following line sets YYVAL to garbage.
- This behavior is undocumented and Bison
- users should not rely upon it. Assigning to YYVAL
- unconditionally makes the parser a bit smaller, and it avoids a
- GCC warning that YYVAL may be used uninitialized. */
- yyval = yyvsp[1-yylen];
-
-
- YY_REDUCE_PRINT (yyn);
- switch (yyn)
- {
- case 2:
-/* Line 1792 of yacc.c */
-#line 153 "plural.y"
- {
- if ((yyvsp[(1) - (1)].exp) == NULL)
- YYABORT;
- arg->res = (yyvsp[(1) - (1)].exp);
- }
- break;
-
- case 3:
-/* Line 1792 of yacc.c */
-#line 161 "plural.y"
- {
- (yyval.exp) = new_exp_3 (qmop, (yyvsp[(1) - (5)].exp), (yyvsp[(3) - (5)].exp), (yyvsp[(5) - (5)].exp));
- }
- break;
-
- case 4:
-/* Line 1792 of yacc.c */
-#line 165 "plural.y"
- {
- (yyval.exp) = new_exp_2 (lor, (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 5:
-/* Line 1792 of yacc.c */
-#line 169 "plural.y"
- {
- (yyval.exp) = new_exp_2 (land, (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 6:
-/* Line 1792 of yacc.c */
-#line 173 "plural.y"
- {
- (yyval.exp) = new_exp_2 ((yyvsp[(2) - (3)].op), (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 7:
-/* Line 1792 of yacc.c */
-#line 177 "plural.y"
- {
- (yyval.exp) = new_exp_2 ((yyvsp[(2) - (3)].op), (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 8:
-/* Line 1792 of yacc.c */
-#line 181 "plural.y"
- {
- (yyval.exp) = new_exp_2 ((yyvsp[(2) - (3)].op), (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 9:
-/* Line 1792 of yacc.c */
-#line 185 "plural.y"
- {
- (yyval.exp) = new_exp_2 ((yyvsp[(2) - (3)].op), (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 10:
-/* Line 1792 of yacc.c */
-#line 189 "plural.y"
- {
- (yyval.exp) = new_exp_1 (lnot, (yyvsp[(2) - (2)].exp));
- }
- break;
-
- case 11:
-/* Line 1792 of yacc.c */
-#line 193 "plural.y"
- {
- (yyval.exp) = new_exp_0 (var);
- }
- break;
-
- case 12:
-/* Line 1792 of yacc.c */
-#line 197 "plural.y"
- {
- if (((yyval.exp) = new_exp_0 (num)) != NULL)
- (yyval.exp)->val.num = (yyvsp[(1) - (1)].num);
- }
- break;
-
- case 13:
-/* Line 1792 of yacc.c */
-#line 202 "plural.y"
- {
- (yyval.exp) = (yyvsp[(2) - (3)].exp);
- }
- break;
-
-
-/* Line 1792 of yacc.c */
-#line 1604 "plural.c"
- default: break;
- }
- /* User semantic actions sometimes alter yychar, and that requires
- that yytoken be updated with the new translation. We take the
- approach of translating immediately before every use of yytoken.
- One alternative is translating here after every semantic action,
- but that translation would be missed if the semantic action invokes
- YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
- if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an
- incorrect destructor might then be invoked immediately. In the
- case of YYERROR or YYBACKUP, subsequent parser actions might lead
- to an incorrect destructor call or verbose syntax error message
- before the lookahead is translated. */
- YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
-
- YYPOPSTACK (yylen);
- yylen = 0;
- YY_STACK_PRINT (yyss, yyssp);
-
- *++yyvsp = yyval;
-
- /* 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 - YYNTOKENS] + *yyssp;
- if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTOKENS];
-
- goto yynewstate;
-
-
-/*------------------------------------.
-| yyerrlab -- here on detecting error |
-`------------------------------------*/
-yyerrlab:
- /* Make sure we have latest lookahead translation. See comments at
- user semantic actions for why this is necessary. */
- yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
-
- /* If not already recovering from an error, report this error. */
- if (!yyerrstatus)
- {
- ++yynerrs;
-#if ! YYERROR_VERBOSE
- yyerror (arg, YY_("syntax error"));
-#else
-# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \
- yyssp, yytoken)
- {
- char const *yymsgp = YY_("syntax error");
- int yysyntax_error_status;
- yysyntax_error_status = YYSYNTAX_ERROR;
- if (yysyntax_error_status == 0)
- yymsgp = yymsg;
- else if (yysyntax_error_status == 1)
- {
- if (yymsg != yymsgbuf)
- YYSTACK_FREE (yymsg);
- yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc);
- if (!yymsg)
- {
- yymsg = yymsgbuf;
- yymsg_alloc = sizeof yymsgbuf;
- yysyntax_error_status = 2;
- }
- else
- {
- yysyntax_error_status = YYSYNTAX_ERROR;
- yymsgp = yymsg;
- }
- }
- yyerror (arg, yymsgp);
- if (yysyntax_error_status == 2)
- goto yyexhaustedlab;
- }
-# undef YYSYNTAX_ERROR
-#endif
- }
-
-
-
- if (yyerrstatus == 3)
- {
- /* If just tried and failed to reuse lookahead token after an
- error, discard it. */
-
- if (yychar <= YYEOF)
- {
- /* Return failure if at end of input. */
- if (yychar == YYEOF)
- YYABORT;
- }
- else
- {
- yydestruct ("Error: discarding",
- yytoken, &yylval, arg);
- yychar = YYEMPTY;
- }
- }
-
- /* Else will try to reuse lookahead token after shifting the error
- token. */
- goto yyerrlab1;
-
-
-/*---------------------------------------------------.
-| yyerrorlab -- error raised explicitly by YYERROR. |
-`---------------------------------------------------*/
-yyerrorlab:
-
- /* Pacify compilers like GCC when the user code never invokes
- YYERROR and the label yyerrorlab therefore never appears in user
- code. */
- if (/*CONSTCOND*/ 0)
- goto yyerrorlab;
-
- /* 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;
-
-
-/*-------------------------------------------------------------.
-| yyerrlab1 -- common code for both syntax error and YYERROR. |
-`-------------------------------------------------------------*/
-yyerrlab1:
- yyerrstatus = 3; /* Each real token shifted decrements this. */
-
- for (;;)
- {
- yyn = yypact[yystate];
- if (!yypact_value_is_default (yyn))
- {
- yyn += YYTERROR;
- if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
- {
- yyn = yytable[yyn];
- if (0 < yyn)
- break;
- }
- }
-
- /* Pop the current state because it cannot handle the error token. */
- if (yyssp == yyss)
- YYABORT;
-
-
- yydestruct ("Error: popping",
- yystos[yystate], yyvsp, arg);
- YYPOPSTACK (1);
- yystate = *yyssp;
- YY_STACK_PRINT (yyss, yyssp);
- }
-
- YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
- *++yyvsp = yylval;
- YY_IGNORE_MAYBE_UNINITIALIZED_END
-
-
- /* Shift the error token. */
- YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
-
- yystate = yyn;
- goto yynewstate;
-
-
-/*-------------------------------------.
-| yyacceptlab -- YYACCEPT comes here. |
-`-------------------------------------*/
-yyacceptlab:
- yyresult = 0;
- goto yyreturn;
-
-/*-----------------------------------.
-| yyabortlab -- YYABORT comes here. |
-`-----------------------------------*/
-yyabortlab:
- yyresult = 1;
- goto yyreturn;
-
-#if !defined yyoverflow || YYERROR_VERBOSE
-/*-------------------------------------------------.
-| yyexhaustedlab -- memory exhaustion comes here. |
-`-------------------------------------------------*/
-yyexhaustedlab:
- yyerror (arg, YY_("memory exhausted"));
- yyresult = 2;
- /* Fall through. */
-#endif
-
-yyreturn:
- if (yychar != YYEMPTY)
- {
- /* Make sure we have latest lookahead translation. See comments at
- user semantic actions for why this is necessary. */
- yytoken = YYTRANSLATE (yychar);
- yydestruct ("Cleanup: discarding lookahead",
- yytoken, &yylval, arg);
- }
- /* 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, arg);
- YYPOPSTACK (1);
- }
-#ifndef yyoverflow
- if (yyss != yyssa)
- YYSTACK_FREE (yyss);
-#endif
-#if YYERROR_VERBOSE
- if (yymsg != yymsgbuf)
- YYSTACK_FREE (yymsg);
-#endif
- /* Make sure YYID is used. */
- return YYID (yyresult);
-}
-
-
-/* Line 2055 of yacc.c */
-#line 207 "plural.y"
-
-
-void
-FREE_EXPRESSION (struct expression *exp)
-{
- if (exp == NULL)
- return;
-
- /* Handle the recursive case. */
- switch (exp->nargs)
- {
- case 3:
- FREE_EXPRESSION (exp->val.args[2]);
- /* FALLTHROUGH */
- case 2:
- FREE_EXPRESSION (exp->val.args[1]);
- /* FALLTHROUGH */
- case 1:
- FREE_EXPRESSION (exp->val.args[0]);
- /* FALLTHROUGH */
- default:
- break;
- }
-
- free (exp);
-}
-
-
-static int
-yylex (YYSTYPE *lval, struct parse_args *arg)
-{
- const char *exp = arg->cp;
- int result;
-
- while (1)
- {
- if (exp[0] == '\0')
- {
- arg->cp = exp;
- return YYEOF;
- }
-
- if (exp[0] != ' ' && exp[0] != '\t')
- break;
-
- ++exp;
- }
-
- result = *exp++;
- switch (result)
- {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- {
- unsigned long int n = result - '0';
- while (exp[0] >= '0' && exp[0] <= '9')
- {
- n *= 10;
- n += exp[0] - '0';
- ++exp;
- }
- lval->num = n;
- result = NUMBER;
- }
- break;
-
- case '=':
- if (exp[0] == '=')
- {
- ++exp;
- lval->op = equal;
- result = EQUOP2;
- }
- else
- result = YYERRCODE;
- break;
-
- case '!':
- if (exp[0] == '=')
- {
- ++exp;
- lval->op = not_equal;
- result = EQUOP2;
- }
- break;
-
- case '&':
- case '|':
- if (exp[0] == result)
- ++exp;
- else
- result = YYERRCODE;
- break;
-
- case '<':
- if (exp[0] == '=')
- {
- ++exp;
- lval->op = less_or_equal;
- }
- else
- lval->op = less_than;
- result = CMPOP2;
- break;
-
- case '>':
- if (exp[0] == '=')
- {
- ++exp;
- lval->op = greater_or_equal;
- }
- else
- lval->op = greater_than;
- result = CMPOP2;
- break;
-
- case '*':
- lval->op = mult;
- result = MULOP2;
- break;
-
- case '/':
- lval->op = divide;
- result = MULOP2;
- break;
-
- case '%':
- lval->op = module;
- result = MULOP2;
- break;
-
- case '+':
- lval->op = plus;
- result = ADDOP2;
- break;
-
- case '-':
- lval->op = minus;
- result = ADDOP2;
- break;
-
- case 'n':
- case '?':
- case ':':
- case '(':
- case ')':
- /* Nothing, just return the character. */
- break;
-
- case ';':
- case '\n':
- case '\0':
- /* Be safe and let the user call this function again. */
- --exp;
- result = YYEOF;
- break;
-
- default:
- result = YYERRCODE;
-#if YYDEBUG != 0
- --exp;
-#endif
- break;
- }
-
- arg->cp = exp;
-
- return result;
-}
-
-
-static void
-yyerror (struct parse_args *arg, const char *str)
-{
- /* Do nothing. We don't print error messages here. */
-}
diff --git a/manual/install.texi b/manual/install.texi
index f1fa28c937..ea559e4e72 100644
--- a/manual/install.texi
+++ b/manual/install.texi
@@ -510,6 +510,12 @@ As of release time, @code{gawk} version 4.1.3 is the newest verified
to work to build @theglibc{}.
@item
+GNU @code{bison} 2.7 or later
+
+@code{bison} is used to generate the @code{yacc} parser code in the @file{intl}
+subdirectory.
+
+@item
Perl 5
Perl is not required, but it is used if present to test the
@@ -540,14 +546,6 @@ and if you change any of the message translation files you will need
GNU @code{gettext} 0.10.36 or later
@end itemize
-@noindent
-If you wish to regenerate the @code{yacc} parser code in the @file{intl}
-subdirectory you will need
-
-@itemize @bullet
-@item
-GNU @code{bison} 2.7 or later
-@end itemize
@noindent
You may also need these packages if you upgrade your source tree using