Adding upstream version 14.5.upstream/14.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1895 insertions, 0 deletions

diff --git a/src/backend/replication/repl_gram.c b/src/backend/replication/repl_gram.c
new file mode 100644
index 0000000..e8928c4
--- /dev/null
+++ b/src/backend/replication/repl_gram.c
@@ -0,0 +1,1895 @@
+/* A Bison parser, made by GNU Bison 3.7.5.  */
+
+/* Bison implementation for Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 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.  */
+
+/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
+   especially those whose name start with YY_ or yy_.  They are
+   private implementation details that can be changed or removed.  */
+
+/* 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, and Bison version.  */
+#define YYBISON 30705
+
+/* Bison version string.  */
+#define YYBISON_VERSION "3.7.5"
+
+/* Skeleton name.  */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers.  */
+#define YYPURE 0
+
+/* Push parsers.  */
+#define YYPUSH 0
+
+/* Pull parsers.  */
+#define YYPULL 1
+
+
+/* Substitute the variable and function names.  */
+#define yyparse         replication_yyparse
+#define yylex           replication_yylex
+#define yyerror         replication_yyerror
+#define yydebug         replication_yydebug
+#define yynerrs         replication_yynerrs
+#define yylval          replication_yylval
+#define yychar          replication_yychar
+
+/* First part of user prologue.  */
+#line 1 "repl_gram.y"
+
+/*-------------------------------------------------------------------------
+ *
+ * repl_gram.y				- Parser for the replication commands
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *	  src/backend/replication/repl_gram.y
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+
+#include "access/xlogdefs.h"
+#include "nodes/makefuncs.h"
+#include "nodes/replnodes.h"
+#include "replication/walsender.h"
+#include "replication/walsender_private.h"
+
+
+/* Result of the parsing is returned here */
+Node *replication_parse_result;
+
+
+/*
+ * Bison doesn't allocate anything that needs to live across parser calls,
+ * so we can easily have it use palloc instead of malloc.  This prevents
+ * memory leaks if we error out during parsing.  Note this only works with
+ * bison >= 2.0.  However, in bison 1.875 the default is to use alloca()
+ * if possible, so there's not really much problem anyhow, at least if
+ * you're building with gcc.
+ */
+#define YYMALLOC palloc
+#define YYFREE   pfree
+
+
+#line 119 "repl_gram.c"
+
+# ifndef YY_CAST
+#  ifdef __cplusplus
+#   define YY_CAST(Type, Val) static_cast<Type> (Val)
+#   define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast<Type> (Val)
+#  else
+#   define YY_CAST(Type, Val) ((Type) (Val))
+#   define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val))
+#  endif
+# endif
+# ifndef YY_NULLPTR
+#  if defined __cplusplus
+#   if 201103L <= __cplusplus
+#    define YY_NULLPTR nullptr
+#   else
+#    define YY_NULLPTR 0
+#   endif
+#  else
+#   define YY_NULLPTR ((void*)0)
+#  endif
+# endif
+
+
+/* Debug traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+#if YYDEBUG
+extern int replication_yydebug;
+#endif
+
+/* Token kinds.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+  enum yytokentype
+  {
+    YYEMPTY = -2,
+    YYEOF = 0,                     /* "end of file"  */
+    YYerror = 256,                 /* error  */
+    YYUNDEF = 257,                 /* "invalid token"  */
+    SCONST = 258,                  /* SCONST  */
+    IDENT = 259,                   /* IDENT  */
+    UCONST = 260,                  /* UCONST  */
+    RECPTR = 261,                  /* RECPTR  */
+    K_BASE_BACKUP = 262,           /* K_BASE_BACKUP  */
+    K_IDENTIFY_SYSTEM = 263,       /* K_IDENTIFY_SYSTEM  */
+    K_SHOW = 264,                  /* K_SHOW  */
+    K_START_REPLICATION = 265,     /* K_START_REPLICATION  */
+    K_CREATE_REPLICATION_SLOT = 266, /* K_CREATE_REPLICATION_SLOT  */
+    K_DROP_REPLICATION_SLOT = 267, /* K_DROP_REPLICATION_SLOT  */
+    K_TIMELINE_HISTORY = 268,      /* K_TIMELINE_HISTORY  */
+    K_LABEL = 269,                 /* K_LABEL  */
+    K_PROGRESS = 270,              /* K_PROGRESS  */
+    K_FAST = 271,                  /* K_FAST  */
+    K_WAIT = 272,                  /* K_WAIT  */
+    K_NOWAIT = 273,                /* K_NOWAIT  */
+    K_MAX_RATE = 274,              /* K_MAX_RATE  */
+    K_WAL = 275,                   /* K_WAL  */
+    K_TABLESPACE_MAP = 276,        /* K_TABLESPACE_MAP  */
+    K_NOVERIFY_CHECKSUMS = 277,    /* K_NOVERIFY_CHECKSUMS  */
+    K_TIMELINE = 278,              /* K_TIMELINE  */
+    K_PHYSICAL = 279,              /* K_PHYSICAL  */
+    K_LOGICAL = 280,               /* K_LOGICAL  */
+    K_SLOT = 281,                  /* K_SLOT  */
+    K_RESERVE_WAL = 282,           /* K_RESERVE_WAL  */
+    K_TEMPORARY = 283,             /* K_TEMPORARY  */
+    K_EXPORT_SNAPSHOT = 284,       /* K_EXPORT_SNAPSHOT  */
+    K_NOEXPORT_SNAPSHOT = 285,     /* K_NOEXPORT_SNAPSHOT  */
+    K_USE_SNAPSHOT = 286,          /* K_USE_SNAPSHOT  */
+    K_MANIFEST = 287,              /* K_MANIFEST  */
+    K_MANIFEST_CHECKSUMS = 288     /* K_MANIFEST_CHECKSUMS  */
+  };
+  typedef enum yytokentype yytoken_kind_t;
+#endif
+
+/* Value type.  */
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+union YYSTYPE
+{
+#line 45 "repl_gram.y"
+
+		char					*str;
+		bool					boolval;
+		uint32					uintval;
+
+		XLogRecPtr				recptr;
+		Node					*node;
+		List					*list;
+		DefElem					*defelt;
+
+#line 210 "repl_gram.c"
+
+};
+typedef union YYSTYPE YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+
+extern YYSTYPE replication_yylval;
+
+int replication_yyparse (void);
+
+
+/* Symbol kind.  */
+enum yysymbol_kind_t
+{
+  YYSYMBOL_YYEMPTY = -2,
+  YYSYMBOL_YYEOF = 0,                      /* "end of file"  */
+  YYSYMBOL_YYerror = 1,                    /* error  */
+  YYSYMBOL_YYUNDEF = 2,                    /* "invalid token"  */
+  YYSYMBOL_SCONST = 3,                     /* SCONST  */
+  YYSYMBOL_IDENT = 4,                      /* IDENT  */
+  YYSYMBOL_UCONST = 5,                     /* UCONST  */
+  YYSYMBOL_RECPTR = 6,                     /* RECPTR  */
+  YYSYMBOL_K_BASE_BACKUP = 7,              /* K_BASE_BACKUP  */
+  YYSYMBOL_K_IDENTIFY_SYSTEM = 8,          /* K_IDENTIFY_SYSTEM  */
+  YYSYMBOL_K_SHOW = 9,                     /* K_SHOW  */
+  YYSYMBOL_K_START_REPLICATION = 10,       /* K_START_REPLICATION  */
+  YYSYMBOL_K_CREATE_REPLICATION_SLOT = 11, /* K_CREATE_REPLICATION_SLOT  */
+  YYSYMBOL_K_DROP_REPLICATION_SLOT = 12,   /* K_DROP_REPLICATION_SLOT  */
+  YYSYMBOL_K_TIMELINE_HISTORY = 13,        /* K_TIMELINE_HISTORY  */
+  YYSYMBOL_K_LABEL = 14,                   /* K_LABEL  */
+  YYSYMBOL_K_PROGRESS = 15,                /* K_PROGRESS  */
+  YYSYMBOL_K_FAST = 16,                    /* K_FAST  */
+  YYSYMBOL_K_WAIT = 17,                    /* K_WAIT  */
+  YYSYMBOL_K_NOWAIT = 18,                  /* K_NOWAIT  */
+  YYSYMBOL_K_MAX_RATE = 19,                /* K_MAX_RATE  */
+  YYSYMBOL_K_WAL = 20,                     /* K_WAL  */
+  YYSYMBOL_K_TABLESPACE_MAP = 21,          /* K_TABLESPACE_MAP  */
+  YYSYMBOL_K_NOVERIFY_CHECKSUMS = 22,      /* K_NOVERIFY_CHECKSUMS  */
+  YYSYMBOL_K_TIMELINE = 23,                /* K_TIMELINE  */
+  YYSYMBOL_K_PHYSICAL = 24,                /* K_PHYSICAL  */
+  YYSYMBOL_K_LOGICAL = 25,                 /* K_LOGICAL  */
+  YYSYMBOL_K_SLOT = 26,                    /* K_SLOT  */
+  YYSYMBOL_K_RESERVE_WAL = 27,             /* K_RESERVE_WAL  */
+  YYSYMBOL_K_TEMPORARY = 28,               /* K_TEMPORARY  */
+  YYSYMBOL_K_EXPORT_SNAPSHOT = 29,         /* K_EXPORT_SNAPSHOT  */
+  YYSYMBOL_K_NOEXPORT_SNAPSHOT = 30,       /* K_NOEXPORT_SNAPSHOT  */
+  YYSYMBOL_K_USE_SNAPSHOT = 31,            /* K_USE_SNAPSHOT  */
+  YYSYMBOL_K_MANIFEST = 32,                /* K_MANIFEST  */
+  YYSYMBOL_K_MANIFEST_CHECKSUMS = 33,      /* K_MANIFEST_CHECKSUMS  */
+  YYSYMBOL_34_ = 34,                       /* ';'  */
+  YYSYMBOL_35_ = 35,                       /* '.'  */
+  YYSYMBOL_36_ = 36,                       /* '('  */
+  YYSYMBOL_37_ = 37,                       /* ')'  */
+  YYSYMBOL_38_ = 38,                       /* ','  */
+  YYSYMBOL_YYACCEPT = 39,                  /* $accept  */
+  YYSYMBOL_firstcmd = 40,                  /* firstcmd  */
+  YYSYMBOL_opt_semicolon = 41,             /* opt_semicolon  */
+  YYSYMBOL_command = 42,                   /* command  */
+  YYSYMBOL_identify_system = 43,           /* identify_system  */
+  YYSYMBOL_show = 44,                      /* show  */
+  YYSYMBOL_var_name = 45,                  /* var_name  */
+  YYSYMBOL_base_backup = 46,               /* base_backup  */
+  YYSYMBOL_base_backup_opt_list = 47,      /* base_backup_opt_list  */
+  YYSYMBOL_base_backup_opt = 48,           /* base_backup_opt  */
+  YYSYMBOL_create_replication_slot = 49,   /* create_replication_slot  */
+  YYSYMBOL_create_slot_opt_list = 50,      /* create_slot_opt_list  */
+  YYSYMBOL_create_slot_opt = 51,           /* create_slot_opt  */
+  YYSYMBOL_drop_replication_slot = 52,     /* drop_replication_slot  */
+  YYSYMBOL_start_replication = 53,         /* start_replication  */
+  YYSYMBOL_start_logical_replication = 54, /* start_logical_replication  */
+  YYSYMBOL_timeline_history = 55,          /* timeline_history  */
+  YYSYMBOL_opt_physical = 56,              /* opt_physical  */
+  YYSYMBOL_opt_temporary = 57,             /* opt_temporary  */
+  YYSYMBOL_opt_slot = 58,                  /* opt_slot  */
+  YYSYMBOL_opt_timeline = 59,              /* opt_timeline  */
+  YYSYMBOL_plugin_options = 60,            /* plugin_options  */
+  YYSYMBOL_plugin_opt_list = 61,           /* plugin_opt_list  */
+  YYSYMBOL_plugin_opt_elem = 62,           /* plugin_opt_elem  */
+  YYSYMBOL_plugin_opt_arg = 63             /* plugin_opt_arg  */
+};
+typedef enum yysymbol_kind_t yysymbol_kind_t;
+
+
+
+
+#ifdef short
+# undef short
+#endif
+
+/* On compilers that do not define __PTRDIFF_MAX__ etc., make sure
+   <limits.h> and (if available) <stdint.h> are included
+   so that the code can choose integer types of a good width.  */
+
+#ifndef __PTRDIFF_MAX__
+# include <limits.h> /* INFRINGES ON USER NAME SPACE */
+# if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
+#  include <stdint.h> /* INFRINGES ON USER NAME SPACE */
+#  define YY_STDINT_H
+# endif
+#endif
+
+/* Narrow types that promote to a signed type and that can represent a
+   signed or unsigned integer of at least N bits.  In tables they can
+   save space and decrease cache pressure.  Promoting to a signed type
+   helps avoid bugs in integer arithmetic.  */
+
+#ifdef __INT_LEAST8_MAX__
+typedef __INT_LEAST8_TYPE__ yytype_int8;
+#elif defined YY_STDINT_H
+typedef int_least8_t yytype_int8;
+#else
+typedef signed char yytype_int8;
+#endif
+
+#ifdef __INT_LEAST16_MAX__
+typedef __INT_LEAST16_TYPE__ yytype_int16;
+#elif defined YY_STDINT_H
+typedef int_least16_t yytype_int16;
+#else
+typedef short yytype_int16;
+#endif
+
+/* Work around bug in HP-UX 11.23, which defines these macros
+   incorrectly for preprocessor constants.  This workaround can likely
+   be removed in 2023, as HPE has promised support for HP-UX 11.23
+   (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of
+   <https://h20195.www2.hpe.com/V2/getpdf.aspx/4AA4-7673ENW.pdf>.  */
+#ifdef __hpux
+# undef UINT_LEAST8_MAX
+# undef UINT_LEAST16_MAX
+# define UINT_LEAST8_MAX 255
+# define UINT_LEAST16_MAX 65535
+#endif
+
+#if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__
+typedef __UINT_LEAST8_TYPE__ yytype_uint8;
+#elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \
+       && UINT_LEAST8_MAX <= INT_MAX)
+typedef uint_least8_t yytype_uint8;
+#elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX
+typedef unsigned char yytype_uint8;
+#else
+typedef short yytype_uint8;
+#endif
+
+#if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__
+typedef __UINT_LEAST16_TYPE__ yytype_uint16;
+#elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \
+       && UINT_LEAST16_MAX <= INT_MAX)
+typedef uint_least16_t yytype_uint16;
+#elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX
+typedef unsigned short yytype_uint16;
+#else
+typedef int yytype_uint16;
+#endif
+
+#ifndef YYPTRDIFF_T
+# if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__
+#  define YYPTRDIFF_T __PTRDIFF_TYPE__
+#  define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__
+# elif defined PTRDIFF_MAX
+#  ifndef ptrdiff_t
+#   include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  endif
+#  define YYPTRDIFF_T ptrdiff_t
+#  define YYPTRDIFF_MAXIMUM PTRDIFF_MAX
+# else
+#  define YYPTRDIFF_T long
+#  define YYPTRDIFF_MAXIMUM LONG_MAX
+# endif
+#endif
+
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+#  define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+#  define YYSIZE_T size_t
+# elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
+#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYSIZE_T size_t
+# else
+#  define YYSIZE_T unsigned
+# endif
+#endif
+
+#define YYSIZE_MAXIMUM                                  \
+  YY_CAST (YYPTRDIFF_T,                                 \
+           (YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1)  \
+            ? YYPTRDIFF_MAXIMUM                         \
+            : YY_CAST (YYSIZE_T, -1)))
+
+#define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X))
+
+
+/* Stored state numbers (used for stacks). */
+typedef yytype_int8 yy_state_t;
+
+/* State numbers in computations.  */
+typedef int yy_state_fast_t;
+
+#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
+
+
+#ifndef YY_ATTRIBUTE_PURE
+# if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__)
+#  define YY_ATTRIBUTE_PURE __attribute__ ((__pure__))
+# else
+#  define YY_ATTRIBUTE_PURE
+# endif
+#endif
+
+#ifndef YY_ATTRIBUTE_UNUSED
+# if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
+#  define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+# else
+#  define YY_ATTRIBUTE_UNUSED
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E.  */
+#if ! defined lint || defined __GNUC__
+# define YY_USE(E) ((void) (E))
+#else
+# define YY_USE(E) /* empty */
+#endif
+
+#if defined __GNUC__ && ! defined __ICC && 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
+# 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
+
+#if defined __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__
+# define YY_IGNORE_USELESS_CAST_BEGIN                          \
+    _Pragma ("GCC diagnostic push")                            \
+    _Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"")
+# define YY_IGNORE_USELESS_CAST_END            \
+    _Pragma ("GCC diagnostic pop")
+#endif
+#ifndef YY_IGNORE_USELESS_CAST_BEGIN
+# define YY_IGNORE_USELESS_CAST_BEGIN
+# define YY_IGNORE_USELESS_CAST_END
+#endif
+
+
+#define YY_ASSERT(E) ((void) (0 && (E)))
+
+#if !defined yyoverflow
+
+/* 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
+#     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 (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
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+#  ifndef YYFREE
+#   define YYFREE free
+#   if ! defined free && ! defined EXIT_SUCCESS
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+# endif
+#endif /* !defined yyoverflow */
+
+#if (! defined yyoverflow \
+     && (! defined __cplusplus \
+         || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member.  */
+union yyalloc
+{
+  yy_state_t yyss_alloc;
+  YYSTYPE yyvs_alloc;
+};
+
+/* The size of the maximum gap between one aligned stack and the next.  */
+# define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+   N elements.  */
+# define YYSTACK_BYTES(N) \
+     ((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (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                                                                  \
+      {                                                                 \
+        YYPTRDIFF_T yynewbytes;                                         \
+        YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
+        Stack = &yyptr->Stack_alloc;                                    \
+        yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \
+        yyptr += yynewbytes / YYSIZEOF (*yyptr);                        \
+      }                                                                 \
+    while (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, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src)))
+#  else
+#   define YYCOPY(Dst, Src, Count)              \
+      do                                        \
+        {                                       \
+          YYPTRDIFF_T yyi;                      \
+          for (yyi = 0; yyi < (Count); yyi++)   \
+            (Dst)[yyi] = (Src)[yyi];            \
+        }                                       \
+      while (0)
+#  endif
+# endif
+#endif /* !YYCOPY_NEEDED */
+
+/* YYFINAL -- State number of the termination state.  */
+#define YYFINAL  26
+/* YYLAST -- Last index in YYTABLE.  */
+#define YYLAST   52
+
+/* YYNTOKENS -- Number of terminals.  */
+#define YYNTOKENS  39
+/* YYNNTS -- Number of nonterminals.  */
+#define YYNNTS  25
+/* YYNRULES -- Number of rules.  */
+#define YYNRULES  57
+/* YYNSTATES -- Number of states.  */
+#define YYNSTATES  78
+
+/* YYMAXUTOK -- Last valid token kind.  */
+#define YYMAXUTOK   288
+
+
+/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
+   as returned by yylex, with out-of-bounds checking.  */
+#define YYTRANSLATE(YYX)                                \
+  (0 <= (YYX) && (YYX) <= YYMAXUTOK                     \
+   ? YY_CAST (yysymbol_kind_t, yytranslate[YYX])        \
+   : YYSYMBOL_YYUNDEF)
+
+/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
+   as returned by yylex.  */
+static const yytype_int8 yytranslate[] =
+{
+       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+      36,    37,     2,     2,    38,     2,    35,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,    34,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
+       5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
+      15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
+      25,    26,    27,    28,    29,    30,    31,    32,    33
+};
+
+#if YYDEBUG
+  /* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */
+static const yytype_int16 yyrline[] =
+{
+       0,   107,   107,   113,   114,   118,   119,   120,   121,   122,
+     123,   124,   125,   132,   142,   149,   150,   160,   169,   172,
+     176,   181,   186,   191,   196,   201,   206,   211,   216,   221,
+     230,   241,   255,   258,   262,   267,   272,   277,   286,   294,
+     308,   323,   338,   355,   356,   360,   361,   365,   368,   372,
+     380,   385,   386,   390,   394,   401,   408,   409
+};
+#endif
+
+/** Accessing symbol of state STATE.  */
+#define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State])
+
+#if YYDEBUG || 0
+/* The user-facing name of the symbol whose (internal) number is
+   YYSYMBOL.  No bounds checking.  */
+static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED;
+
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
+static const char *const yytname[] =
+{
+  "\"end of file\"", "error", "\"invalid token\"", "SCONST", "IDENT",
+  "UCONST", "RECPTR", "K_BASE_BACKUP", "K_IDENTIFY_SYSTEM", "K_SHOW",
+  "K_START_REPLICATION", "K_CREATE_REPLICATION_SLOT",
+  "K_DROP_REPLICATION_SLOT", "K_TIMELINE_HISTORY", "K_LABEL", "K_PROGRESS",
+  "K_FAST", "K_WAIT", "K_NOWAIT", "K_MAX_RATE", "K_WAL",
+  "K_TABLESPACE_MAP", "K_NOVERIFY_CHECKSUMS", "K_TIMELINE", "K_PHYSICAL",
+  "K_LOGICAL", "K_SLOT", "K_RESERVE_WAL", "K_TEMPORARY",
+  "K_EXPORT_SNAPSHOT", "K_NOEXPORT_SNAPSHOT", "K_USE_SNAPSHOT",
+  "K_MANIFEST", "K_MANIFEST_CHECKSUMS", "';'", "'.'", "'('", "')'", "','",
+  "$accept", "firstcmd", "opt_semicolon", "command", "identify_system",
+  "show", "var_name", "base_backup", "base_backup_opt_list",
+  "base_backup_opt", "create_replication_slot", "create_slot_opt_list",
+  "create_slot_opt", "drop_replication_slot", "start_replication",
+  "start_logical_replication", "timeline_history", "opt_physical",
+  "opt_temporary", "opt_slot", "opt_timeline", "plugin_options",
+  "plugin_opt_list", "plugin_opt_elem", "plugin_opt_arg", YY_NULLPTR
+};
+
+static const char *
+yysymbol_name (yysymbol_kind_t yysymbol)
+{
+  return yytname[yysymbol];
+}
+#endif
+
+#ifdef YYPRINT
+/* YYTOKNUM[NUM] -- (External) token number corresponding to the
+   (internal) symbol number NUM (which must be that of a token).  */
+static const yytype_int16 yytoknum[] =
+{
+       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
+     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
+     275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
+     285,   286,   287,   288,    59,    46,    40,    41,    44
+};
+#endif
+
+#define YYPACT_NINF (-25)
+
+#define yypact_value_is_default(Yyn) \
+  ((Yyn) == YYPACT_NINF)
+
+#define YYTABLE_NINF (-1)
+
+#define yytable_value_is_error(Yyn) \
+  0
+
+  /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+     STATE-NUM.  */
+static const yytype_int8 yypact[] =
+{
+       2,   -25,   -25,    -1,    -5,    23,    24,    25,    29,    -3,
+     -25,   -25,   -25,   -25,   -25,   -25,   -25,   -25,   -14,   -25,
+      -2,    28,    10,     7,    19,   -25,   -25,   -25,   -25,    34,
+     -25,   -25,   -25,    33,   -25,   -25,   -25,    36,    37,   -25,
+      38,    16,   -25,    39,   -25,    -8,   -25,   -25,   -25,   -25,
+     -25,   -25,    40,    20,   -25,    43,     8,    44,   -25,    -7,
+     -25,    46,   -25,   -25,   -25,   -25,   -25,   -25,   -25,    -7,
+      45,   -12,   -25,   -25,   -25,   -25,    46,   -25
+};
+
+  /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
+     Performed when YYTABLE does not specify something else to do.  Zero
+     means the default is an error.  */
+static const yytype_int8 yydefact[] =
+{
+       0,    19,    13,     0,    48,     0,     0,     0,     0,     4,
+       5,    12,     6,     9,    10,     7,     8,    11,    17,    15,
+      14,     0,    44,    46,    38,    42,     1,     3,     2,     0,
+      21,    22,    24,     0,    23,    26,    27,     0,     0,    18,
+       0,    47,    43,     0,    45,     0,    39,    20,    25,    28,
+      29,    16,     0,    50,    33,     0,    52,     0,    40,    30,
+      33,     0,    41,    49,    37,    34,    35,    36,    32,    31,
+      57,     0,    53,    56,    55,    51,     0,    54
+};
+
+  /* YYPGOTO[NTERM-NUM].  */
+static const yytype_int8 yypgoto[] =
+{
+     -25,   -25,   -25,   -25,   -25,   -25,   -25,   -25,   -25,   -25,
+     -25,    -9,   -25,   -25,   -25,   -25,   -25,   -25,   -25,   -25,
+     -25,   -25,   -25,   -24,   -25
+};
+
+  /* YYDEFGOTO[NTERM-NUM].  */
+static const yytype_int8 yydefgoto[] =
+{
+       0,     8,    28,     9,    10,    11,    20,    12,    18,    39,
+      13,    59,    68,    14,    15,    16,    17,    43,    45,    22,
+      58,    62,    71,    72,    74
+};
+
+  /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If
+     positive, shift that token.  If negative, reduce the rule whose
+     number is the opposite.  If YYTABLE_NINF, syntax error.  */
+static const yytype_int8 yytable[] =
+{
+      29,    30,    31,    19,    32,    33,    34,    35,    36,     1,
+       2,     3,     4,     5,     6,     7,    54,    55,    37,    38,
+      64,    21,    65,    66,    67,    75,    76,    23,    24,    26,
+      25,    27,    41,    40,    42,    44,    46,    47,    48,    49,
+      50,    52,    51,    57,    61,    53,    56,    60,    73,    63,
+      70,    69,    77
+};
+
+static const yytype_int8 yycheck[] =
+{
+      14,    15,    16,     4,    18,    19,    20,    21,    22,     7,
+       8,     9,    10,    11,    12,    13,    24,    25,    32,    33,
+      27,    26,    29,    30,    31,    37,    38,     4,     4,     0,
+       5,    34,     4,    35,    24,    28,    17,     3,     5,     3,
+       3,    25,     4,    23,    36,     6,     6,     4,     3,     5,
+       4,    60,    76
+};
+
+  /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+     symbol of state STATE-NUM.  */
+static const yytype_int8 yystos[] =
+{
+       0,     7,     8,     9,    10,    11,    12,    13,    40,    42,
+      43,    44,    46,    49,    52,    53,    54,    55,    47,     4,
+      45,    26,    58,     4,     4,     5,     0,    34,    41,    14,
+      15,    16,    18,    19,    20,    21,    22,    32,    33,    48,
+      35,     4,    24,    56,    28,    57,    17,     3,     5,     3,
+       3,     4,    25,     6,    24,    25,     6,    23,    59,    50,
+       4,    36,    60,     5,    27,    29,    30,    31,    51,    50,
+       4,    61,    62,     3,    63,    37,    38,    62
+};
+
+  /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
+static const yytype_int8 yyr1[] =
+{
+       0,    39,    40,    41,    41,    42,    42,    42,    42,    42,
+      42,    42,    42,    43,    44,    45,    45,    46,    47,    47,
+      48,    48,    48,    48,    48,    48,    48,    48,    48,    48,
+      49,    49,    50,    50,    51,    51,    51,    51,    52,    52,
+      53,    54,    55,    56,    56,    57,    57,    58,    58,    59,
+      59,    60,    60,    61,    61,    62,    63,    63
+};
+
+  /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN.  */
+static const yytype_int8 yyr2[] =
+{
+       0,     2,     2,     1,     0,     1,     1,     1,     1,     1,
+       1,     1,     1,     1,     2,     1,     3,     2,     2,     0,
+       2,     1,     1,     1,     1,     2,     1,     1,     2,     2,
+       5,     6,     2,     0,     1,     1,     1,     1,     2,     3,
+       5,     6,     2,     1,     0,     1,     0,     2,     0,     2,
+       0,     3,     0,     1,     3,     2,     1,     0
+};
+
+
+enum { YYENOMEM = -2 };
+
+#define yyerrok         (yyerrstatus = 0)
+#define yyclearin       (yychar = YYEMPTY)
+
+#define YYACCEPT        goto yyacceptlab
+#define YYABORT         goto yyabortlab
+#define YYERROR         goto yyerrorlab
+
+
+#define YYRECOVERING()  (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value)                                    \
+  do                                                              \
+    if (yychar == YYEMPTY)                                        \
+      {                                                           \
+        yychar = (Token);                                         \
+        yylval = (Value);                                         \
+        YYPOPSTACK (yylen);                                       \
+        yystate = *yyssp;                                         \
+        goto yybackup;                                            \
+      }                                                           \
+    else                                                          \
+      {                                                           \
+        yyerror (YY_("syntax error: cannot back up")); \
+        YYERROR;                                                  \
+      }                                                           \
+  while (0)
+
+/* Backward compatibility with an undocumented macro.
+   Use YYerror or YYUNDEF. */
+#define YYERRCODE YYUNDEF
+
+
+/* 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 (0)
+
+/* This macro is provided for backward compatibility. */
+# ifndef YY_LOCATION_PRINT
+#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
+
+
+# define YY_SYMBOL_PRINT(Title, Kind, Value, Location)                    \
+do {                                                                      \
+  if (yydebug)                                                            \
+    {                                                                     \
+      YYFPRINTF (stderr, "%s ", Title);                                   \
+      yy_symbol_print (stderr,                                            \
+                  Kind, Value); \
+      YYFPRINTF (stderr, "\n");                                           \
+    }                                                                     \
+} while (0)
+
+
+/*-----------------------------------.
+| Print this symbol's value on YYO.  |
+`-----------------------------------*/
+
+static void
+yy_symbol_value_print (FILE *yyo,
+                       yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
+{
+  FILE *yyoutput = yyo;
+  YY_USE (yyoutput);
+  if (!yyvaluep)
+    return;
+# ifdef YYPRINT
+  if (yykind < YYNTOKENS)
+    YYPRINT (yyo, yytoknum[yykind], *yyvaluep);
+# endif
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  YY_USE (yykind);
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+}
+
+
+/*---------------------------.
+| Print this symbol on YYO.  |
+`---------------------------*/
+
+static void
+yy_symbol_print (FILE *yyo,
+                 yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
+{
+  YYFPRINTF (yyo, "%s %s (",
+             yykind < YYNTOKENS ? "token" : "nterm", yysymbol_name (yykind));
+
+  yy_symbol_value_print (yyo, yykind, yyvaluep);
+  YYFPRINTF (yyo, ")");
+}
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included).                                                   |
+`------------------------------------------------------------------*/
+
+static void
+yy_stack_print (yy_state_t *yybottom, yy_state_t *yytop)
+{
+  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 (0)
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced.  |
+`------------------------------------------------*/
+
+static void
+yy_reduce_print (yy_state_t *yyssp, YYSTYPE *yyvsp,
+                 int yyrule)
+{
+  int yylno = yyrline[yyrule];
+  int yynrhs = yyr2[yyrule];
+  int yyi;
+  YYFPRINTF (stderr, "Reducing stack by rule %d (line %d):\n",
+             yyrule - 1, yylno);
+  /* The symbols being reduced.  */
+  for (yyi = 0; yyi < yynrhs; yyi++)
+    {
+      YYFPRINTF (stderr, "   $%d = ", yyi + 1);
+      yy_symbol_print (stderr,
+                       YY_ACCESSING_SYMBOL (+yyssp[yyi + 1 - yynrhs]),
+                       &yyvsp[(yyi + 1) - (yynrhs)]);
+      YYFPRINTF (stderr, "\n");
+    }
+}
+
+# define YY_REDUCE_PRINT(Rule)          \
+do {                                    \
+  if (yydebug)                          \
+    yy_reduce_print (yyssp, yyvsp, Rule); \
+} while (0)
+
+/* Nonzero means print parse trace.  It is left uninitialized so that
+   multiple parsers can coexist.  */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args) ((void) 0)
+# define YY_SYMBOL_PRINT(Title, Kind, 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
+
+
+
+
+
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol.  |
+`-----------------------------------------------*/
+
+static void
+yydestruct (const char *yymsg,
+            yysymbol_kind_t yykind, YYSTYPE *yyvaluep)
+{
+  YY_USE (yyvaluep);
+  if (!yymsg)
+    yymsg = "Deleting";
+  YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp);
+
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  YY_USE (yykind);
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+}
+
+
+/* Lookahead token kind.  */
+int yychar;
+
+/* The semantic value of the lookahead symbol.  */
+YYSTYPE yylval;
+/* Number of syntax errors so far.  */
+int yynerrs;
+
+
+
+
+/*----------.
+| yyparse.  |
+`----------*/
+
+int
+yyparse (void)
+{
+    yy_state_fast_t yystate = 0;
+    /* Number of tokens to shift before error messages enabled.  */
+    int yyerrstatus = 0;
+
+    /* Refer to the stacks through separate pointers, to allow yyoverflow
+       to reallocate them elsewhere.  */
+
+    /* Their size.  */
+    YYPTRDIFF_T yystacksize = YYINITDEPTH;
+
+    /* The state stack: array, bottom, top.  */
+    yy_state_t yyssa[YYINITDEPTH];
+    yy_state_t *yyss = yyssa;
+    yy_state_t *yyssp = yyss;
+
+    /* The semantic value stack: array, bottom, top.  */
+    YYSTYPE yyvsa[YYINITDEPTH];
+    YYSTYPE *yyvs = yyvsa;
+    YYSTYPE *yyvsp = yyvs;
+
+  int yyn;
+  /* The return value of yyparse.  */
+  int yyresult;
+  /* Lookahead symbol kind.  */
+  yysymbol_kind_t yytoken = YYSYMBOL_YYEMPTY;
+  /* The variables used to return semantic value and location from the
+     action routines.  */
+  YYSTYPE yyval;
+
+
+
+#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;
+
+  YYDPRINTF ((stderr, "Starting parse\n"));
+
+  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 -- set current state (the top of the stack) to yystate.  |
+`--------------------------------------------------------------------*/
+yysetstate:
+  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+  YY_ASSERT (0 <= yystate && yystate < YYNSTATES);
+  YY_IGNORE_USELESS_CAST_BEGIN
+  *yyssp = YY_CAST (yy_state_t, yystate);
+  YY_IGNORE_USELESS_CAST_END
+  YY_STACK_PRINT (yyss, yyssp);
+
+  if (yyss + yystacksize - 1 <= yyssp)
+#if !defined yyoverflow && !defined YYSTACK_RELOCATE
+    goto yyexhaustedlab;
+#else
+    {
+      /* Get the current used size of the three stacks, in elements.  */
+      YYPTRDIFF_T yysize = yyssp - yyss + 1;
+
+# if defined 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.  */
+        yy_state_t *yyss1 = yyss;
+        YYSTYPE *yyvs1 = yyvs;
+
+        /* 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 * YYSIZEOF (*yyssp),
+                    &yyvs1, yysize * YYSIZEOF (*yyvsp),
+                    &yystacksize);
+        yyss = yyss1;
+        yyvs = yyvs1;
+      }
+# else /* defined YYSTACK_RELOCATE */
+      /* Extend the stack our own way.  */
+      if (YYMAXDEPTH <= yystacksize)
+        goto yyexhaustedlab;
+      yystacksize *= 2;
+      if (YYMAXDEPTH < yystacksize)
+        yystacksize = YYMAXDEPTH;
+
+      {
+        yy_state_t *yyss1 = yyss;
+        union yyalloc *yyptr =
+          YY_CAST (union yyalloc *,
+                   YYSTACK_ALLOC (YY_CAST (YYSIZE_T, 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
+
+      yyssp = yyss + yysize - 1;
+      yyvsp = yyvs + yysize - 1;
+
+      YY_IGNORE_USELESS_CAST_BEGIN
+      YYDPRINTF ((stderr, "Stack size increased to %ld\n",
+                  YY_CAST (long, yystacksize)));
+      YY_IGNORE_USELESS_CAST_END
+
+      if (yyss + yystacksize - 1 <= yyssp)
+        YYABORT;
+    }
+#endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
+
+  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 empty, or end-of-input, or a valid lookahead.  */
+  if (yychar == YYEMPTY)
+    {
+      YYDPRINTF ((stderr, "Reading a token\n"));
+      yychar = yylex ();
+    }
+
+  if (yychar <= YYEOF)
+    {
+      yychar = YYEOF;
+      yytoken = YYSYMBOL_YYEOF;
+      YYDPRINTF ((stderr, "Now at end of input.\n"));
+    }
+  else if (yychar == YYerror)
+    {
+      /* The scanner already issued an error message, process directly
+         to error recovery.  But do not keep the error token as
+         lookahead, it is too special and may lead us to an endless
+         loop in error recovery. */
+      yychar = YYUNDEF;
+      yytoken = YYSYMBOL_YYerror;
+      goto yyerrlab1;
+    }
+  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);
+  yystate = yyn;
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  *++yyvsp = yylval;
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+
+  /* Discard the shifted token.  */
+  yychar = YYEMPTY;
+  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: /* firstcmd: command opt_semicolon  */
+#line 108 "repl_gram.y"
+                                {
+					replication_parse_result = (yyvsp[-1].node);
+				}
+#line 1315 "repl_gram.c"
+    break;
+
+  case 13: /* identify_system: K_IDENTIFY_SYSTEM  */
+#line 133 "repl_gram.y"
+                                {
+					(yyval.node) = (Node *) makeNode(IdentifySystemCmd);
+				}
+#line 1323 "repl_gram.c"
+    break;
+
+  case 14: /* show: K_SHOW var_name  */
+#line 143 "repl_gram.y"
+                                {
+					VariableShowStmt *n = makeNode(VariableShowStmt);
+					n->name = (yyvsp[0].str);
+					(yyval.node) = (Node *) n;
+				}
+#line 1333 "repl_gram.c"
+    break;
+
+  case 15: /* var_name: IDENT  */
+#line 149 "repl_gram.y"
+                        { (yyval.str) = (yyvsp[0].str); }
+#line 1339 "repl_gram.c"
+    break;
+
+  case 16: /* var_name: var_name '.' IDENT  */
+#line 151 "repl_gram.y"
+                                { (yyval.str) = psprintf("%s.%s", (yyvsp[-2].str), (yyvsp[0].str)); }
+#line 1345 "repl_gram.c"
+    break;
+
+  case 17: /* base_backup: K_BASE_BACKUP base_backup_opt_list  */
+#line 161 "repl_gram.y"
+                                {
+					BaseBackupCmd *cmd = makeNode(BaseBackupCmd);
+					cmd->options = (yyvsp[0].list);
+					(yyval.node) = (Node *) cmd;
+				}
+#line 1355 "repl_gram.c"
+    break;
+
+  case 18: /* base_backup_opt_list: base_backup_opt_list base_backup_opt  */
+#line 170 "repl_gram.y"
+                                { (yyval.list) = lappend((yyvsp[-1].list), (yyvsp[0].defelt)); }
+#line 1361 "repl_gram.c"
+    break;
+
+  case 19: /* base_backup_opt_list: %empty  */
+#line 172 "repl_gram.y"
+                                { (yyval.list) = NIL; }
+#line 1367 "repl_gram.c"
+    break;
+
+  case 20: /* base_backup_opt: K_LABEL SCONST  */
+#line 177 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("label",
+								   (Node *)makeString((yyvsp[0].str)), -1);
+				}
+#line 1376 "repl_gram.c"
+    break;
+
+  case 21: /* base_backup_opt: K_PROGRESS  */
+#line 182 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("progress",
+								   (Node *)makeInteger(true), -1);
+				}
+#line 1385 "repl_gram.c"
+    break;
+
+  case 22: /* base_backup_opt: K_FAST  */
+#line 187 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("fast",
+								   (Node *)makeInteger(true), -1);
+				}
+#line 1394 "repl_gram.c"
+    break;
+
+  case 23: /* base_backup_opt: K_WAL  */
+#line 192 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("wal",
+								   (Node *)makeInteger(true), -1);
+				}
+#line 1403 "repl_gram.c"
+    break;
+
+  case 24: /* base_backup_opt: K_NOWAIT  */
+#line 197 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("nowait",
+								   (Node *)makeInteger(true), -1);
+				}
+#line 1412 "repl_gram.c"
+    break;
+
+  case 25: /* base_backup_opt: K_MAX_RATE UCONST  */
+#line 202 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("max_rate",
+								   (Node *)makeInteger((yyvsp[0].uintval)), -1);
+				}
+#line 1421 "repl_gram.c"
+    break;
+
+  case 26: /* base_backup_opt: K_TABLESPACE_MAP  */
+#line 207 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("tablespace_map",
+								   (Node *)makeInteger(true), -1);
+				}
+#line 1430 "repl_gram.c"
+    break;
+
+  case 27: /* base_backup_opt: K_NOVERIFY_CHECKSUMS  */
+#line 212 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("noverify_checksums",
+								   (Node *)makeInteger(true), -1);
+				}
+#line 1439 "repl_gram.c"
+    break;
+
+  case 28: /* base_backup_opt: K_MANIFEST SCONST  */
+#line 217 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("manifest",
+								   (Node *)makeString((yyvsp[0].str)), -1);
+				}
+#line 1448 "repl_gram.c"
+    break;
+
+  case 29: /* base_backup_opt: K_MANIFEST_CHECKSUMS SCONST  */
+#line 222 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("manifest_checksums",
+								   (Node *)makeString((yyvsp[0].str)), -1);
+				}
+#line 1457 "repl_gram.c"
+    break;
+
+  case 30: /* create_replication_slot: K_CREATE_REPLICATION_SLOT IDENT opt_temporary K_PHYSICAL create_slot_opt_list  */
+#line 231 "repl_gram.y"
+                                {
+					CreateReplicationSlotCmd *cmd;
+					cmd = makeNode(CreateReplicationSlotCmd);
+					cmd->kind = REPLICATION_KIND_PHYSICAL;
+					cmd->slotname = (yyvsp[-3].str);
+					cmd->temporary = (yyvsp[-2].boolval);
+					cmd->options = (yyvsp[0].list);
+					(yyval.node) = (Node *) cmd;
+				}
+#line 1471 "repl_gram.c"
+    break;
+
+  case 31: /* create_replication_slot: K_CREATE_REPLICATION_SLOT IDENT opt_temporary K_LOGICAL IDENT create_slot_opt_list  */
+#line 242 "repl_gram.y"
+                                {
+					CreateReplicationSlotCmd *cmd;
+					cmd = makeNode(CreateReplicationSlotCmd);
+					cmd->kind = REPLICATION_KIND_LOGICAL;
+					cmd->slotname = (yyvsp[-4].str);
+					cmd->temporary = (yyvsp[-3].boolval);
+					cmd->plugin = (yyvsp[-1].str);
+					cmd->options = (yyvsp[0].list);
+					(yyval.node) = (Node *) cmd;
+				}
+#line 1486 "repl_gram.c"
+    break;
+
+  case 32: /* create_slot_opt_list: create_slot_opt_list create_slot_opt  */
+#line 256 "repl_gram.y"
+                                { (yyval.list) = lappend((yyvsp[-1].list), (yyvsp[0].defelt)); }
+#line 1492 "repl_gram.c"
+    break;
+
+  case 33: /* create_slot_opt_list: %empty  */
+#line 258 "repl_gram.y"
+                                { (yyval.list) = NIL; }
+#line 1498 "repl_gram.c"
+    break;
+
+  case 34: /* create_slot_opt: K_EXPORT_SNAPSHOT  */
+#line 263 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("export_snapshot",
+								   (Node *)makeInteger(true), -1);
+				}
+#line 1507 "repl_gram.c"
+    break;
+
+  case 35: /* create_slot_opt: K_NOEXPORT_SNAPSHOT  */
+#line 268 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("export_snapshot",
+								   (Node *)makeInteger(false), -1);
+				}
+#line 1516 "repl_gram.c"
+    break;
+
+  case 36: /* create_slot_opt: K_USE_SNAPSHOT  */
+#line 273 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("use_snapshot",
+								   (Node *)makeInteger(true), -1);
+				}
+#line 1525 "repl_gram.c"
+    break;
+
+  case 37: /* create_slot_opt: K_RESERVE_WAL  */
+#line 278 "repl_gram.y"
+                                {
+				  (yyval.defelt) = makeDefElem("reserve_wal",
+								   (Node *)makeInteger(true), -1);
+				}
+#line 1534 "repl_gram.c"
+    break;
+
+  case 38: /* drop_replication_slot: K_DROP_REPLICATION_SLOT IDENT  */
+#line 287 "repl_gram.y"
+                                {
+					DropReplicationSlotCmd *cmd;
+					cmd = makeNode(DropReplicationSlotCmd);
+					cmd->slotname = (yyvsp[0].str);
+					cmd->wait = false;
+					(yyval.node) = (Node *) cmd;
+				}
+#line 1546 "repl_gram.c"
+    break;
+
+  case 39: /* drop_replication_slot: K_DROP_REPLICATION_SLOT IDENT K_WAIT  */
+#line 295 "repl_gram.y"
+                                {
+					DropReplicationSlotCmd *cmd;
+					cmd = makeNode(DropReplicationSlotCmd);
+					cmd->slotname = (yyvsp[-1].str);
+					cmd->wait = true;
+					(yyval.node) = (Node *) cmd;
+				}
+#line 1558 "repl_gram.c"
+    break;
+
+  case 40: /* start_replication: K_START_REPLICATION opt_slot opt_physical RECPTR opt_timeline  */
+#line 309 "repl_gram.y"
+                                {
+					StartReplicationCmd *cmd;
+
+					cmd = makeNode(StartReplicationCmd);
+					cmd->kind = REPLICATION_KIND_PHYSICAL;
+					cmd->slotname = (yyvsp[-3].str);
+					cmd->startpoint = (yyvsp[-1].recptr);
+					cmd->timeline = (yyvsp[0].uintval);
+					(yyval.node) = (Node *) cmd;
+				}
+#line 1573 "repl_gram.c"
+    break;
+
+  case 41: /* start_logical_replication: K_START_REPLICATION K_SLOT IDENT K_LOGICAL RECPTR plugin_options  */
+#line 324 "repl_gram.y"
+                                {
+					StartReplicationCmd *cmd;
+					cmd = makeNode(StartReplicationCmd);
+					cmd->kind = REPLICATION_KIND_LOGICAL;
+					cmd->slotname = (yyvsp[-3].str);
+					cmd->startpoint = (yyvsp[-1].recptr);
+					cmd->options = (yyvsp[0].list);
+					(yyval.node) = (Node *) cmd;
+				}
+#line 1587 "repl_gram.c"
+    break;
+
+  case 42: /* timeline_history: K_TIMELINE_HISTORY UCONST  */
+#line 339 "repl_gram.y"
+                                {
+					TimeLineHistoryCmd *cmd;
+
+					if ((yyvsp[0].uintval) <= 0)
+						ereport(ERROR,
+								(errcode(ERRCODE_SYNTAX_ERROR),
+								 errmsg("invalid timeline %u", (yyvsp[0].uintval))));
+
+					cmd = makeNode(TimeLineHistoryCmd);
+					cmd->timeline = (yyvsp[0].uintval);
+
+					(yyval.node) = (Node *) cmd;
+				}
+#line 1605 "repl_gram.c"
+    break;
+
+  case 45: /* opt_temporary: K_TEMPORARY  */
+#line 360 "repl_gram.y"
+                                                                                { (yyval.boolval) = true; }
+#line 1611 "repl_gram.c"
+    break;
+
+  case 46: /* opt_temporary: %empty  */
+#line 361 "repl_gram.y"
+                                                                        { (yyval.boolval) = false; }
+#line 1617 "repl_gram.c"
+    break;
+
+  case 47: /* opt_slot: K_SLOT IDENT  */
+#line 366 "repl_gram.y"
+                                { (yyval.str) = (yyvsp[0].str); }
+#line 1623 "repl_gram.c"
+    break;
+
+  case 48: /* opt_slot: %empty  */
+#line 368 "repl_gram.y"
+                                { (yyval.str) = NULL; }
+#line 1629 "repl_gram.c"
+    break;
+
+  case 49: /* opt_timeline: K_TIMELINE UCONST  */
+#line 373 "repl_gram.y"
+                                {
+					if ((yyvsp[0].uintval) <= 0)
+						ereport(ERROR,
+								(errcode(ERRCODE_SYNTAX_ERROR),
+								 errmsg("invalid timeline %u", (yyvsp[0].uintval))));
+					(yyval.uintval) = (yyvsp[0].uintval);
+				}
+#line 1641 "repl_gram.c"
+    break;
+
+  case 50: /* opt_timeline: %empty  */
+#line 380 "repl_gram.y"
+                                                                { (yyval.uintval) = 0; }
+#line 1647 "repl_gram.c"
+    break;
+
+  case 51: /* plugin_options: '(' plugin_opt_list ')'  */
+#line 385 "repl_gram.y"
+                                                                { (yyval.list) = (yyvsp[-1].list); }
+#line 1653 "repl_gram.c"
+    break;
+
+  case 52: /* plugin_options: %empty  */
+#line 386 "repl_gram.y"
+                                                                        { (yyval.list) = NIL; }
+#line 1659 "repl_gram.c"
+    break;
+
+  case 53: /* plugin_opt_list: plugin_opt_elem  */
+#line 391 "repl_gram.y"
+                                {
+					(yyval.list) = list_make1((yyvsp[0].defelt));
+				}
+#line 1667 "repl_gram.c"
+    break;
+
+  case 54: /* plugin_opt_list: plugin_opt_list ',' plugin_opt_elem  */
+#line 395 "repl_gram.y"
+                                {
+					(yyval.list) = lappend((yyvsp[-2].list), (yyvsp[0].defelt));
+				}
+#line 1675 "repl_gram.c"
+    break;
+
+  case 55: /* plugin_opt_elem: IDENT plugin_opt_arg  */
+#line 402 "repl_gram.y"
+                                {
+					(yyval.defelt) = makeDefElem((yyvsp[-1].str), (yyvsp[0].node), -1);
+				}
+#line 1683 "repl_gram.c"
+    break;
+
+  case 56: /* plugin_opt_arg: SCONST  */
+#line 408 "repl_gram.y"
+                                                                                { (yyval.node) = (Node *) makeString((yyvsp[0].str)); }
+#line 1689 "repl_gram.c"
+    break;
+
+  case 57: /* plugin_opt_arg: %empty  */
+#line 409 "repl_gram.y"
+                                                                        { (yyval.node) = NULL; }
+#line 1695 "repl_gram.c"
+    break;
+
+
+#line 1699 "repl_gram.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 ("-> $$ =", YY_CAST (yysymbol_kind_t, yyr1[yyn]), &yyval, &yyloc);
+
+  YYPOPSTACK (yylen);
+  yylen = 0;
+
+  *++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.  */
+  {
+    const int yylhs = yyr1[yyn] - YYNTOKENS;
+    const int yyi = yypgoto[yylhs] + *yyssp;
+    yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp
+               ? yytable[yyi]
+               : yydefgoto[yylhs]);
+  }
+
+  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 ? YYSYMBOL_YYEMPTY : YYTRANSLATE (yychar);
+  /* If not already recovering from an error, report this error.  */
+  if (!yyerrstatus)
+    {
+      ++yynerrs;
+      yyerror (YY_("syntax error"));
+    }
+
+  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);
+          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 when the user code never invokes YYERROR and the
+     label yyerrorlab therefore never appears in user code.  */
+  if (0)
+    YYERROR;
+
+  /* Do not reclaim the symbols of the rule whose 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.  */
+
+  /* Pop stack until we find a state that shifts the error token.  */
+  for (;;)
+    {
+      yyn = yypact[yystate];
+      if (!yypact_value_is_default (yyn))
+        {
+          yyn += YYSYMBOL_YYerror;
+          if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYSYMBOL_YYerror)
+            {
+              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",
+                  YY_ACCESSING_SYMBOL (yystate), yyvsp);
+      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", YY_ACCESSING_SYMBOL (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
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here.  |
+`-------------------------------------------------*/
+yyexhaustedlab:
+  yyerror (YY_("memory exhausted"));
+  yyresult = 2;
+  goto yyreturn;
+#endif
+
+
+/*-------------------------------------------------------.
+| yyreturn -- parsing is finished, clean up and return.  |
+`-------------------------------------------------------*/
+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);
+    }
+  /* Do not reclaim the symbols of the rule whose action triggered
+     this YYABORT or YYACCEPT.  */
+  YYPOPSTACK (yylen);
+  YY_STACK_PRINT (yyss, yyssp);
+  while (yyssp != yyss)
+    {
+      yydestruct ("Cleanup: popping",
+                  YY_ACCESSING_SYMBOL (+*yyssp), yyvsp);
+      YYPOPSTACK (1);
+    }
+#ifndef yyoverflow
+  if (yyss != yyssa)
+    YYSTACK_FREE (yyss);
+#endif
+
+  return yyresult;
+}
+
+#line 412 "repl_gram.y"
+
+
+#include "repl_scanner.c"