diff options
Diffstat (limited to 'sys/cmd/rc/parse.c')
| -rw-r--r-- | sys/cmd/rc/parse.c | 2059 |
1 files changed, 0 insertions, 2059 deletions
diff --git a/sys/cmd/rc/parse.c b/sys/cmd/rc/parse.c deleted file mode 100644 index 1b29d41..0000000 --- a/sys/cmd/rc/parse.c +++ /dev/null @@ -1,2059 +0,0 @@ -/* A Bison parser, made by GNU Bison 3.8.2. */ - -/* 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 <https://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 30802 - -/* Bison version string. */ -#define YYBISON_VERSION "3.8.2" - -/* Skeleton name. */ -#define YYSKELETON_NAME "yacc.c" - -/* Pure parsers. */ -#define YYPURE 0 - -/* Push parsers. */ -#define YYPUSH 0 - -/* Pull parsers. */ -#define YYPULL 1 - - - - -/* First part of user prologue. */ -#line 7 "sys/cmd/rc/syntax.y" - - #include "rc.h" - - int yylex(void); - void yyerror(const char *); - -#line 78 "sys/cmd/rc/parse.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 - -#include "parse.h" -/* 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_Tfor = 3, /* Tfor */ - YYSYMBOL_Tin = 4, /* Tin */ - YYSYMBOL_Twhile = 5, /* Twhile */ - YYSYMBOL_Tif = 6, /* Tif */ - YYSYMBOL_Telse = 7, /* Telse */ - YYSYMBOL_Tswitch = 8, /* Tswitch */ - YYSYMBOL_Tcase = 9, /* Tcase */ - YYSYMBOL_Tcasebody = 10, /* Tcasebody */ - YYSYMBOL_Ttwiddle = 11, /* Ttwiddle */ - YYSYMBOL_Tbang = 12, /* Tbang */ - YYSYMBOL_Tsubshell = 13, /* Tsubshell */ - YYSYMBOL_Tfunc = 14, /* Tfunc */ - YYSYMBOL_Tredir = 15, /* Tredir */ - YYSYMBOL_Tdup = 16, /* Tdup */ - YYSYMBOL_Tpipe = 17, /* Tpipe */ - YYSYMBOL_Tindex = 18, /* Tindex */ - YYSYMBOL_Tbasic = 19, /* Tbasic */ - YYSYMBOL_Targs = 20, /* Targs */ - YYSYMBOL_Tword = 21, /* Tword */ - YYSYMBOL_Twords = 22, /* Twords */ - YYSYMBOL_Tparen = 23, /* Tparen */ - YYSYMBOL_Tblock = 24, /* Tblock */ - YYSYMBOL_25_ = 25, /* ')' */ - YYSYMBOL_Tandand = 26, /* Tandand */ - YYSYMBOL_Toror = 27, /* Toror */ - YYSYMBOL_28_n_ = 28, /* '\n' */ - YYSYMBOL_29_ = 29, /* '^' */ - YYSYMBOL_30_ = 30, /* '$' */ - YYSYMBOL_Tcount = 31, /* Tcount */ - YYSYMBOL_Tjoin = 32, /* Tjoin */ - YYSYMBOL_33_ = 33, /* '(' */ - YYSYMBOL_34_ = 34, /* '{' */ - YYSYMBOL_35_ = 35, /* '}' */ - YYSYMBOL_36_ = 36, /* ';' */ - YYSYMBOL_37_ = 37, /* '&' */ - YYSYMBOL_38_ = 38, /* '=' */ - YYSYMBOL_39_ = 39, /* '`' */ - YYSYMBOL_YYACCEPT = 40, /* $accept */ - YYSYMBOL_rc = 41, /* rc */ - YYSYMBOL_line = 42, /* line */ - YYSYMBOL_body = 43, /* body */ - YYSYMBOL_paren = 44, /* paren */ - YYSYMBOL_block = 45, /* block */ - YYSYMBOL_cmds = 46, /* cmds */ - YYSYMBOL_cmdsln = 47, /* cmdsln */ - YYSYMBOL_ifbody = 48, /* ifbody */ - YYSYMBOL_case = 49, /* case */ - YYSYMBOL_casebody = 50, /* casebody */ - YYSYMBOL_assign = 51, /* assign */ - YYSYMBOL_redir = 52, /* redir */ - YYSYMBOL_epilog = 53, /* epilog */ - YYSYMBOL_cmd = 54, /* cmd */ - YYSYMBOL_basic = 55, /* basic */ - YYSYMBOL_atom = 56, /* atom */ - YYSYMBOL_word = 57, /* word */ - YYSYMBOL_executable = 58, /* executable */ - YYSYMBOL_nonkeyword = 59, /* nonkeyword */ - YYSYMBOL_keyword = 60, /* keyword */ - YYSYMBOL_words = 61, /* words */ - YYSYMBOL_wordsnl = 62, /* wordsnl */ - YYSYMBOL_nl = 63 /* nl */ -}; -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_uint8 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 - -/* Suppress an incorrect diagnostic about yylval being uninitialized. */ -#if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__ -# if __GNUC__ * 100 + __GNUC_MINOR__ < 407 -# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ - _Pragma ("GCC diagnostic push") \ - _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") -# else -# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ - _Pragma ("GCC diagnostic push") \ - _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \ - _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") -# endif -# 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 1 - -/* 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 /* 1 */ - -#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 56 -/* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 478 - -/* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 40 -/* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 24 -/* YYNRULES -- Number of rules. */ -#define YYNRULES 73 -/* YYNSTATES -- Number of states. */ -#define YYNSTATES 129 - -/* YYMAXUTOK -- Last valid token kind. */ -#define YYMAXUTOK 283 - - -/* 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, - 28, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 30, 2, 37, 2, - 33, 25, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 36, - 2, 38, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 29, 2, 39, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 34, 2, 35, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 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, - 26, 27, 31, 32 -}; - -#if YYDEBUG -/* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ -static const yytype_uint8 yyrline[] = -{ - 0, 38, 38, 39, 42, 43, 46, 47, 50, 53, - 56, 57, 60, 61, 64, 65, 68, 69, 72, 73, - 74, 77, 80, 81, 84, 85, 88, 89, 90, 91, - 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, - 102, 105, 106, 107, 110, 111, 114, 115, 118, 119, - 122, 123, 124, 125, 126, 127, 128, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 135, 136, 139, - 140, 141, 143, 145 -}; -#endif - -/** Accessing symbol of state STATE. */ -#define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State]) - -#if 1 -/* 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\"", "Tfor", "Tin", - "Twhile", "Tif", "Telse", "Tswitch", "Tcase", "Tcasebody", "Ttwiddle", - "Tbang", "Tsubshell", "Tfunc", "Tredir", "Tdup", "Tpipe", "Tindex", - "Tbasic", "Targs", "Tword", "Twords", "Tparen", "Tblock", "')'", - "Tandand", "Toror", "'\\n'", "'^'", "'$'", "Tcount", "Tjoin", "'('", - "'{'", "'}'", "';'", "'&'", "'='", "'`'", "$accept", "rc", "line", - "body", "paren", "block", "cmds", "cmdsln", "ifbody", "case", "casebody", - "assign", "redir", "epilog", "cmd", "basic", "atom", "word", - "executable", "nonkeyword", "keyword", "words", "wordsnl", "nl", YY_NULLPTR -}; - -static const char * -yysymbol_name (yysymbol_kind_t yysymbol) -{ - return yytname[yysymbol]; -} -#endif - -#define YYPACT_NINF (-82) - -#define yypact_value_is_default(Yyn) \ - ((Yyn) == YYPACT_NINF) - -#define YYTABLE_NINF (-3) - -#define yytable_value_is_error(Yyn) \ - 0 - -/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing - STATE-NUM. */ -static const yytype_int16 yypact[] = -{ - 121, -17, -2, -2, 5, 439, 439, 343, -82, -82, - 343, 343, 343, -82, 439, -23, 45, 32, 11, 439, - 439, 439, 13, 158, -14, -82, 343, 439, -82, -82, - 343, 30, 30, -82, -82, -82, -82, -82, -82, -82, - -82, -82, -82, -82, 34, -82, -82, 47, -82, -82, - 195, 41, -82, 439, 54, -82, -82, -82, 11, -82, - -82, 30, 30, -82, -82, -82, -82, -82, -82, 34, - 343, 343, 19, 44, 375, 375, 4, 343, -82, -82, - -82, 34, -82, -82, -82, -82, 375, 375, 375, -82, - 34, -82, -82, -82, -82, 29, 77, -82, 29, -82, - -82, 269, -82, 30, 30, 306, 375, -82, 25, -82, - 34, -82, 29, 375, 407, 375, 29, -82, 407, 407, - 48, 54, 29, 232, -82, -82, -82, -82, -82 -}; - -/* 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[] = -{ - 26, 0, 0, 0, 0, 26, 26, 0, 22, 50, - 0, 0, 0, 69, 26, 0, 0, 0, 24, 26, - 26, 26, 4, 27, 41, 48, 0, 26, 72, 72, - 0, 34, 35, 57, 58, 59, 60, 61, 62, 63, - 64, 65, 66, 46, 23, 44, 45, 51, 54, 55, - 0, 0, 12, 26, 6, 56, 1, 3, 24, 28, - 5, 33, 32, 72, 72, 72, 10, 11, 43, 42, - 0, 0, 0, 0, 26, 26, 0, 0, 67, 53, - 70, 71, 9, 7, 13, 25, 26, 26, 26, 49, - 21, 67, 72, 8, 73, 38, 24, 39, 14, 72, - 47, 0, 29, 30, 31, 0, 26, 72, 0, 52, - 68, 72, 36, 26, 26, 26, 15, 67, 26, 26, - 0, 18, 37, 0, 20, 19, 40, 17, 16 -}; - -/* YYPGOTO[NTERM-NUM]. */ -static const yytype_int8 yypgoto[] = -{ - -82, -82, 75, -19, 93, -11, 18, -52, -82, -82, - -21, -82, -1, 42, 0, -82, -9, 28, -82, 2, - -82, -81, -82, -22 -}; - -/* YYDEFGOTO[NTERM-NUM]. */ -static const yytype_int8 yydefgoto[] = -{ - 0, 16, 17, 51, 28, 18, 52, 53, 97, 119, - 120, 20, 21, 59, 54, 23, 43, 110, 24, 25, - 46, 101, 50, 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_int16 yytable[] = -{ - 22, 47, 48, 49, 55, 31, 32, 75, 73, 45, - 105, 14, 45, 45, 45, 70, 26, 58, 19, 22, - 61, 62, 68, 91, 71, 45, 7, 8, 45, 99, - 63, 27, 45, 77, 83, 44, 123, 19, 30, 64, - 65, 86, 87, 88, 92, 56, 63, 63, 77, 66, - 67, 69, 45, 94, 72, 64, 65, 58, 76, 114, - 57, 89, 118, 77, 96, 78, 118, 118, 100, 93, - 106, 63, 45, 45, 95, 98, 82, 108, 81, 45, - 64, 65, 84, 126, 107, 113, 102, 103, 104, 115, - 66, 67, 7, 8, 60, 58, 29, 124, 125, 90, - 85, 0, 0, 45, 0, 0, 112, 45, 0, 0, - 0, 0, 0, 116, 121, 122, 0, 0, 121, 121, - 0, -2, 0, 0, 1, 45, 2, 3, 0, 4, - 0, 0, 0, 5, 6, 0, 7, 8, 0, 0, - 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, - 0, 10, 11, 12, 13, 14, 0, 0, 0, 0, - 15, 33, 34, 35, 36, 37, 38, 39, 0, 0, - 40, 41, 42, 7, 8, 0, 0, 0, 0, 9, - 0, 0, 0, 0, 0, 0, 0, 0, 10, 11, - 12, 13, 0, 0, 0, 0, 0, 15, 33, 34, - 35, 36, 37, 38, 39, 0, 0, 40, 41, 42, - 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, - 79, 0, 0, 80, 0, 10, 11, 12, 13, 0, - 0, 0, 0, 0, 15, 33, 34, 35, 36, 37, - 38, 39, 0, 0, 40, 41, 42, 0, 0, 0, - 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, - 127, 0, 10, 11, 12, 13, 0, 0, 128, 0, - 0, 15, 33, 34, 35, 36, 37, 38, 39, 0, - 0, 40, 41, 42, 0, 0, 0, 0, 0, 0, - 9, 0, 0, 0, 109, 0, 0, 0, 0, 10, - 11, 12, 13, 0, 0, 0, 0, 0, 15, 33, - 34, 35, 36, 37, 38, 39, 0, 0, 40, 41, - 42, 0, 0, 0, 0, 0, 0, 9, 0, 0, - 0, 111, 0, 0, 0, 0, 10, 11, 12, 13, - 0, 0, 0, 0, 0, 15, 33, 34, 35, 36, - 37, 38, 39, 0, 0, 40, 41, 42, 0, 0, - 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, - 0, 0, 0, 10, 11, 12, 13, 0, 1, 0, - 2, 3, 15, 4, 0, 0, 0, 5, 6, 0, - 7, 8, 0, 0, 0, 0, 9, 0, 0, 0, - 0, 0, 0, 94, 0, 10, 11, 12, 13, 14, - 1, 0, 2, 3, 15, 4, 117, 0, 0, 5, - 6, 0, 7, 8, 0, 0, 0, 0, 9, 0, - 0, 0, 0, 0, 0, 0, 0, 10, 11, 12, - 13, 14, 1, 0, 2, 3, 15, 4, 0, 0, - 0, 5, 6, 0, 7, 8, 0, 0, 0, 0, - 9, 0, 0, 0, 0, 0, 0, 0, 0, 10, - 11, 12, 13, 14, 0, 0, 0, 0, 15 -}; - -static const yytype_int8 yycheck[] = -{ - 0, 10, 11, 12, 15, 5, 6, 29, 27, 7, - 91, 34, 10, 11, 12, 29, 33, 18, 0, 19, - 20, 21, 23, 4, 38, 23, 15, 16, 26, 25, - 17, 33, 30, 29, 53, 7, 117, 19, 33, 26, - 27, 63, 64, 65, 25, 0, 17, 17, 29, 36, - 37, 23, 50, 28, 26, 26, 27, 58, 30, 34, - 28, 70, 114, 29, 75, 18, 118, 119, 77, 25, - 92, 17, 70, 71, 74, 75, 35, 99, 50, 77, - 26, 27, 28, 35, 7, 107, 86, 87, 88, 111, - 36, 37, 15, 16, 19, 96, 3, 118, 119, 71, - 58, -1, -1, 101, -1, -1, 106, 105, -1, -1, - -1, -1, -1, 113, 114, 115, -1, -1, 118, 119, - -1, 0, -1, -1, 3, 123, 5, 6, -1, 8, - -1, -1, -1, 12, 13, -1, 15, 16, -1, -1, - -1, -1, 21, -1, -1, -1, -1, -1, -1, -1, - -1, 30, 31, 32, 33, 34, -1, -1, -1, -1, - 39, 3, 4, 5, 6, 7, 8, 9, -1, -1, - 12, 13, 14, 15, 16, -1, -1, -1, -1, 21, - -1, -1, -1, -1, -1, -1, -1, -1, 30, 31, - 32, 33, -1, -1, -1, -1, -1, 39, 3, 4, - 5, 6, 7, 8, 9, -1, -1, 12, 13, 14, - -1, -1, -1, -1, -1, -1, 21, -1, -1, -1, - 25, -1, -1, 28, -1, 30, 31, 32, 33, -1, - -1, -1, -1, -1, 39, 3, 4, 5, 6, 7, - 8, 9, -1, -1, 12, 13, 14, -1, -1, -1, - -1, -1, -1, 21, -1, -1, -1, -1, -1, -1, - 28, -1, 30, 31, 32, 33, -1, -1, 36, -1, - -1, 39, 3, 4, 5, 6, 7, 8, 9, -1, - -1, 12, 13, 14, -1, -1, -1, -1, -1, -1, - 21, -1, -1, -1, 25, -1, -1, -1, -1, 30, - 31, 32, 33, -1, -1, -1, -1, -1, 39, 3, - 4, 5, 6, 7, 8, 9, -1, -1, 12, 13, - 14, -1, -1, -1, -1, -1, -1, 21, -1, -1, - -1, 25, -1, -1, -1, -1, 30, 31, 32, 33, - -1, -1, -1, -1, -1, 39, 3, 4, 5, 6, - 7, 8, 9, -1, -1, 12, 13, 14, -1, -1, - -1, -1, -1, -1, 21, -1, -1, -1, -1, -1, - -1, -1, -1, 30, 31, 32, 33, -1, 3, -1, - 5, 6, 39, 8, -1, -1, -1, 12, 13, -1, - 15, 16, -1, -1, -1, -1, 21, -1, -1, -1, - -1, -1, -1, 28, -1, 30, 31, 32, 33, 34, - 3, -1, 5, 6, 39, 8, 9, -1, -1, 12, - 13, -1, 15, 16, -1, -1, -1, -1, 21, -1, - -1, -1, -1, -1, -1, -1, -1, 30, 31, 32, - 33, 34, 3, -1, 5, 6, 39, 8, -1, -1, - -1, 12, 13, -1, 15, 16, -1, -1, -1, -1, - 21, -1, -1, -1, -1, -1, -1, -1, -1, 30, - 31, 32, 33, 34, -1, -1, -1, -1, 39 -}; - -/* YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of - state STATE-NUM. */ -static const yytype_int8 yystos[] = -{ - 0, 3, 5, 6, 8, 12, 13, 15, 16, 21, - 30, 31, 32, 33, 34, 39, 41, 42, 45, 46, - 51, 52, 54, 55, 58, 59, 33, 33, 44, 44, - 33, 54, 54, 3, 4, 5, 6, 7, 8, 9, - 12, 13, 14, 56, 57, 59, 60, 56, 56, 56, - 62, 43, 46, 47, 54, 45, 0, 28, 52, 53, - 42, 54, 54, 17, 26, 27, 36, 37, 52, 57, - 29, 38, 57, 43, 63, 63, 57, 29, 18, 25, - 28, 57, 35, 43, 28, 53, 63, 63, 63, 56, - 57, 4, 25, 25, 28, 54, 45, 48, 54, 25, - 56, 61, 54, 54, 54, 61, 63, 7, 63, 25, - 57, 25, 54, 63, 34, 63, 54, 9, 47, 49, - 50, 54, 54, 61, 50, 50, 35, 28, 36 -}; - -/* YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM. */ -static const yytype_int8 yyr1[] = -{ - 0, 40, 41, 41, 42, 42, 43, 43, 44, 45, - 46, 46, 47, 47, 48, 48, 49, 49, 50, 50, - 50, 51, 52, 52, 53, 53, 54, 54, 54, 54, - 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, - 54, 55, 55, 55, 56, 56, 57, 57, 58, 58, - 59, 59, 59, 59, 59, 59, 59, 60, 60, 60, - 60, 60, 60, 60, 60, 60, 60, 61, 61, 62, - 62, 62, 63, 63 -}; - -/* YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM. */ -static const yytype_int8 yyr2[] = -{ - 0, 2, 0, 2, 1, 2, 1, 2, 3, 3, - 2, 2, 1, 2, 1, 4, 3, 3, 1, 2, - 2, 3, 1, 2, 0, 2, 0, 1, 2, 4, - 4, 4, 2, 2, 2, 2, 6, 8, 4, 4, - 8, 1, 2, 2, 1, 1, 1, 3, 1, 3, - 1, 2, 5, 3, 2, 2, 2, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 0, 2, 0, - 2, 2, 0, 2 -}; - - -enum { YYENOMEM = -2 }; - -#define yyerrok (yyerrstatus = 0) -#define yyclearin (yychar = YYEMPTY) - -#define YYACCEPT goto yyacceptlab -#define YYABORT goto yyabortlab -#define YYERROR goto yyerrorlab -#define YYNOMEM goto yyexhaustedlab - - -#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) - - - - -# 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; - 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 - - -/* Context of a parse error. */ -typedef struct -{ - yy_state_t *yyssp; - yysymbol_kind_t yytoken; -} yypcontext_t; - -/* Put in YYARG at most YYARGN of the expected tokens given the - current YYCTX, and return the number of tokens stored in YYARG. If - YYARG is null, return the number of expected tokens (guaranteed to - be less than YYNTOKENS). Return YYENOMEM on memory exhaustion. - Return 0 if there are more than YYARGN expected tokens, yet fill - YYARG up to YYARGN. */ -static int -yypcontext_expected_tokens (const yypcontext_t *yyctx, - yysymbol_kind_t yyarg[], int yyargn) -{ - /* Actual size of YYARG. */ - int yycount = 0; - int yyn = yypact[+*yyctx->yyssp]; - 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 != YYSYMBOL_YYerror - && !yytable_value_is_error (yytable[yyx + yyn])) - { - if (!yyarg) - ++yycount; - else if (yycount == yyargn) - return 0; - else - yyarg[yycount++] = YY_CAST (yysymbol_kind_t, yyx); - } - } - if (yyarg && yycount == 0 && 0 < yyargn) - yyarg[0] = YYSYMBOL_YYEMPTY; - return yycount; -} - - - - -#ifndef yystrlen -# if defined __GLIBC__ && defined _STRING_H -# define yystrlen(S) (YY_CAST (YYPTRDIFF_T, strlen (S))) -# else -/* Return the length of YYSTR. */ -static YYPTRDIFF_T -yystrlen (const char *yystr) -{ - YYPTRDIFF_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. */ -static char * -yystpcpy (char *yydest, const char *yysrc) -{ - 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 YYPTRDIFF_T -yytnamerr (char *yyres, const char *yystr) -{ - if (*yystr == '"') - { - YYPTRDIFF_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; - else - goto append; - - append: - default: - if (yyres) - yyres[yyn] = *yyp; - yyn++; - break; - - case '"': - if (yyres) - yyres[yyn] = '\0'; - return yyn; - } - do_not_strip_quotes: ; - } - - if (yyres) - return yystpcpy (yyres, yystr) - yyres; - else - return yystrlen (yystr); -} -#endif - - -static int -yy_syntax_error_arguments (const yypcontext_t *yyctx, - yysymbol_kind_t yyarg[], int yyargn) -{ - /* Actual size of YYARG. */ - int yycount = 0; - /* There are many possibilities here to consider: - - 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 (yyctx->yytoken != YYSYMBOL_YYEMPTY) - { - int yyn; - if (yyarg) - yyarg[yycount] = yyctx->yytoken; - ++yycount; - yyn = yypcontext_expected_tokens (yyctx, - yyarg ? yyarg + 1 : yyarg, yyargn - 1); - if (yyn == YYENOMEM) - return YYENOMEM; - else - yycount += yyn; - } - return yycount; -} - -/* 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 YYENOMEM if the - required number of bytes is too large to store. */ -static int -yysyntax_error (YYPTRDIFF_T *yymsg_alloc, char **yymsg, - const yypcontext_t *yyctx) -{ - enum { YYARGS_MAX = 5 }; - /* Internationalized format string. */ - const char *yyformat = YY_NULLPTR; - /* Arguments of yyformat: reported tokens (one for the "unexpected", - one per "expected"). */ - yysymbol_kind_t yyarg[YYARGS_MAX]; - /* Cumulated lengths of YYARG. */ - YYPTRDIFF_T yysize = 0; - - /* Actual size of YYARG. */ - int yycount = yy_syntax_error_arguments (yyctx, yyarg, YYARGS_MAX); - if (yycount == YYENOMEM) - return YYENOMEM; - - switch (yycount) - { -#define YYCASE_(N, S) \ - case N: \ - yyformat = S; \ - break - default: /* Avoid compiler warnings. */ - 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_ - } - - /* Compute error message size. Don't count the "%s"s, but reserve - room for the terminator. */ - yysize = yystrlen (yyformat) - 2 * yycount + 1; - { - int yyi; - for (yyi = 0; yyi < yycount; ++yyi) - { - YYPTRDIFF_T yysize1 - = yysize + yytnamerr (YY_NULLPTR, yytname[yyarg[yyi]]); - if (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM) - yysize = yysize1; - else - return YYENOMEM; - } - } - - 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, yytname[yyarg[yyi++]]); - yyformat += 2; - } - else - { - ++yyp; - ++yyformat; - } - } - return 0; -} - - -/*-----------------------------------------------. -| 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; - - /* Buffer for error messages, and its allocated size. */ - char yymsgbuf[128]; - char *yymsg = yymsgbuf; - YYPTRDIFF_T yymsg_alloc = sizeof yymsgbuf; - -#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 - YYNOMEM; -#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) - YYNOMEM; - 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) - YYNOMEM; - 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: /* rc: %empty */ -#line 38 "sys/cmd/rc/syntax.y" - { return 0; } -#line 1549 "sys/cmd/rc/parse.c" - break; - - case 3: /* rc: line '\n' */ -#line 39 "sys/cmd/rc/syntax.y" - { return compile((yyvsp[-1].tree)); } -#line 1555 "sys/cmd/rc/parse.c" - break; - - case 5: /* line: cmds line */ -#line 43 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(';', (yyvsp[-1].tree), (yyvsp[0].tree)); } -#line 1561 "sys/cmd/rc/parse.c" - break; - - case 7: /* body: cmdsln body */ -#line 47 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(';', (yyvsp[-1].tree), (yyvsp[0].tree)); } -#line 1567 "sys/cmd/rc/parse.c" - break; - - case 8: /* paren: '(' body ')' */ -#line 50 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1(Tparen, (yyvsp[-1].tree)); } -#line 1573 "sys/cmd/rc/parse.c" - break; - - case 9: /* block: '{' body '}' */ -#line 53 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1(Tblock, (yyvsp[-1].tree)); } -#line 1579 "sys/cmd/rc/parse.c" - break; - - case 11: /* cmds: cmd '&' */ -#line 57 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1('&', (yyvsp[-1].tree)); } -#line 1585 "sys/cmd/rc/parse.c" - break; - - case 14: /* ifbody: cmd */ -#line 64 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(Tif, nil, (yyvsp[0].tree)); } -#line 1591 "sys/cmd/rc/parse.c" - break; - - case 15: /* ifbody: block Telse nl cmd */ -#line 65 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree3(Tif, nil, (yyvsp[-3].tree), (yyvsp[-2].tree)); } -#line 1597 "sys/cmd/rc/parse.c" - break; - - case 16: /* case: Tcase words ';' */ -#line 68 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild1((yyvsp[-2].tree), (yyvsp[-1].tree), 0); } -#line 1603 "sys/cmd/rc/parse.c" - break; - - case 17: /* case: Tcase words '\n' */ -#line 69 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild1((yyvsp[-2].tree), (yyvsp[-1].tree), 0); } -#line 1609 "sys/cmd/rc/parse.c" - break; - - case 18: /* casebody: cmd */ -#line 72 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(Tcasebody, (yyvsp[0].tree), nil); } -#line 1615 "sys/cmd/rc/parse.c" - break; - - case 19: /* casebody: case casebody */ -#line 73 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(Tcasebody, (yyvsp[-1].tree), (yyvsp[0].tree)); } -#line 1621 "sys/cmd/rc/parse.c" - break; - - case 20: /* casebody: cmdsln casebody */ -#line 74 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(Tcasebody, (yyvsp[-1].tree), (yyvsp[0].tree)); } -#line 1627 "sys/cmd/rc/parse.c" - break; - - case 21: /* assign: executable '=' word */ -#line 77 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2('=', (yyvsp[-2].tree), (yyvsp[0].tree)); } -#line 1633 "sys/cmd/rc/parse.c" - break; - - case 23: /* redir: Tredir word */ -#line 81 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild1((yyvsp[-1].tree), (yyvsp[0].tree), 0); } -#line 1639 "sys/cmd/rc/parse.c" - break; - - case 24: /* epilog: %empty */ -#line 84 "sys/cmd/rc/syntax.y" - { (yyval.tree) = nil; } -#line 1645 "sys/cmd/rc/parse.c" - break; - - case 25: /* epilog: redir epilog */ -#line 85 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild1((yyvsp[-1].tree), (yyvsp[0].tree), 1); } -#line 1651 "sys/cmd/rc/parse.c" - break; - - case 26: /* cmd: %empty */ -#line 88 "sys/cmd/rc/syntax.y" - { (yyval.tree) = nil; } -#line 1657 "sys/cmd/rc/parse.c" - break; - - case 27: /* cmd: basic */ -#line 89 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1(Tbasic, (yyvsp[0].tree)); } -#line 1663 "sys/cmd/rc/parse.c" - break; - - case 28: /* cmd: block epilog */ -#line 90 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangepilog((yyvsp[-1].tree), (yyvsp[0].tree)); } -#line 1669 "sys/cmd/rc/parse.c" - break; - - case 29: /* cmd: cmd Tpipe nl cmd */ -#line 91 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild2((yyvsp[-2].tree), (yyvsp[-3].tree), 0, (yyvsp[0].tree), 1); } -#line 1675 "sys/cmd/rc/parse.c" - break; - - case 30: /* cmd: cmd Tandand nl cmd */ -#line 92 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(Tandand, (yyvsp[-3].tree), (yyvsp[0].tree)); } -#line 1681 "sys/cmd/rc/parse.c" - break; - - case 31: /* cmd: cmd Toror nl cmd */ -#line 93 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(Toror, (yyvsp[-3].tree), (yyvsp[0].tree)); } -#line 1687 "sys/cmd/rc/parse.c" - break; - - case 32: /* cmd: redir cmd */ -#line 94 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild1((yyvsp[-1].tree), (yyvsp[0].tree), 1); } -#line 1693 "sys/cmd/rc/parse.c" - break; - - case 33: /* cmd: assign cmd */ -#line 95 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild1((yyvsp[-1].tree), (yyvsp[0].tree), 2); } -#line 1699 "sys/cmd/rc/parse.c" - break; - - case 34: /* cmd: Tbang cmd */ -#line 96 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1(Tbang, (yyvsp[0].tree)); } -#line 1705 "sys/cmd/rc/parse.c" - break; - - case 35: /* cmd: Tsubshell cmd */ -#line 97 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1(Tsubshell, (yyvsp[0].tree)); } -#line 1711 "sys/cmd/rc/parse.c" - break; - - case 36: /* cmd: Tfor '(' word ')' nl cmd */ -#line 98 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild3((yyvsp[-5].tree), (yyvsp[-3].tree), nil, (yyvsp[0].tree)); } -#line 1717 "sys/cmd/rc/parse.c" - break; - - case 37: /* cmd: Tfor '(' word Tin words ')' nl cmd */ -#line 99 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild3((yyvsp[-7].tree), (yyvsp[-5].tree), (yyvsp[-3].tree), (yyvsp[0].tree)); } -#line 1723 "sys/cmd/rc/parse.c" - break; - - case 38: /* cmd: Twhile paren nl cmd */ -#line 100 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild2((yyvsp[-3].tree), (yyvsp[-2].tree), 0, (yyvsp[0].tree), 1); } -#line 1729 "sys/cmd/rc/parse.c" - break; - - case 39: /* cmd: Tif paren nl ifbody */ -#line 101 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild1((yyvsp[-2].tree), (yyvsp[-3].tree), 0); } -#line 1735 "sys/cmd/rc/parse.c" - break; - - case 40: /* cmd: Tswitch '(' word ')' nl '{' casebody '}' */ -#line 102 "sys/cmd/rc/syntax.y" - { (yyval.tree) = hangchild2((yyvsp[-7].tree), (yyvsp[-5].tree), 0, (yyvsp[-1].tree), 1); } -#line 1741 "sys/cmd/rc/parse.c" - break; - - case 42: /* basic: basic word */ -#line 106 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(Targs, (yyvsp[-1].tree), (yyvsp[0].tree)); } -#line 1747 "sys/cmd/rc/parse.c" - break; - - case 43: /* basic: basic redir */ -#line 107 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(Targs, (yyvsp[-1].tree), (yyvsp[0].tree)); } -#line 1753 "sys/cmd/rc/parse.c" - break; - - case 45: /* atom: keyword */ -#line 111 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1(Tword, (yyvsp[0].tree)); } -#line 1759 "sys/cmd/rc/parse.c" - break; - - case 47: /* word: word '^' atom */ -#line 115 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2('^', (yyvsp[-2].tree), (yyvsp[0].tree)); } -#line 1765 "sys/cmd/rc/parse.c" - break; - - case 49: /* executable: executable '^' atom */ -#line 119 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2('^', (yyvsp[-2].tree), (yyvsp[0].tree)); } -#line 1771 "sys/cmd/rc/parse.c" - break; - - case 51: /* nonkeyword: '$' atom */ -#line 123 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1('$', (yyvsp[0].tree)); } -#line 1777 "sys/cmd/rc/parse.c" - break; - - case 52: /* nonkeyword: '$' atom Tindex words ')' */ -#line 124 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(Tindex, (yyvsp[-3].tree), (yyvsp[-1].tree)); } -#line 1783 "sys/cmd/rc/parse.c" - break; - - case 53: /* nonkeyword: '(' wordsnl ')' */ -#line 125 "sys/cmd/rc/syntax.y" - { (yyval.tree) = (yyvsp[-1].tree); } -#line 1789 "sys/cmd/rc/parse.c" - break; - - case 54: /* nonkeyword: Tcount atom */ -#line 126 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1(Tcount, (yyvsp[0].tree)); } -#line 1795 "sys/cmd/rc/parse.c" - break; - - case 55: /* nonkeyword: Tjoin atom */ -#line 127 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1(Tjoin, (yyvsp[0].tree)); } -#line 1801 "sys/cmd/rc/parse.c" - break; - - case 56: /* nonkeyword: '`' block */ -#line 128 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree1('`', (yyvsp[0].tree)); } -#line 1807 "sys/cmd/rc/parse.c" - break; - - case 67: /* words: %empty */ -#line 135 "sys/cmd/rc/syntax.y" - { (yyval.tree) = nil; } -#line 1813 "sys/cmd/rc/parse.c" - break; - - case 68: /* words: words word */ -#line 136 "sys/cmd/rc/syntax.y" - { (yyval.tree) = maketree2(Twords, (yyvsp[-1].tree), (yyvsp[0].tree)); } -#line 1819 "sys/cmd/rc/parse.c" - break; - - case 69: /* wordsnl: %empty */ -#line 139 "sys/cmd/rc/syntax.y" - { (yyval.tree) = nil; } -#line 1825 "sys/cmd/rc/parse.c" - break; - - case 71: /* wordsnl: wordsnl word */ -#line 141 "sys/cmd/rc/syntax.y" - {(yyval.tree) = (!(yyvsp[-1].tree)) ? ((!(yyvsp[0].tree)) ? nil : (yyvsp[0].tree)) : ((!(yyvsp[0].tree)) ? (yyvsp[-1].tree) : maketree2(Twords, (yyvsp[-1].tree), (yyvsp[0].tree))); } -#line 1831 "sys/cmd/rc/parse.c" - break; - - -#line 1835 "sys/cmd/rc/parse.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; - { - yypcontext_t yyctx - = {yyssp, yytoken}; - char const *yymsgp = YY_("syntax error"); - int yysyntax_error_status; - yysyntax_error_status = yysyntax_error (&yymsg_alloc, &yymsg, &yyctx); - if (yysyntax_error_status == 0) - yymsgp = yymsg; - else if (yysyntax_error_status == -1) - { - if (yymsg != yymsgbuf) - YYSTACK_FREE (yymsg); - yymsg = YY_CAST (char *, - YYSTACK_ALLOC (YY_CAST (YYSIZE_T, yymsg_alloc))); - if (yymsg) - { - yysyntax_error_status - = yysyntax_error (&yymsg_alloc, &yymsg, &yyctx); - yymsgp = yymsg; - } - else - { - yymsg = yymsgbuf; - yymsg_alloc = sizeof yymsgbuf; - yysyntax_error_status = YYENOMEM; - } - } - yyerror (yymsgp); - if (yysyntax_error_status == YYENOMEM) - YYNOMEM; - } - } - - 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; - ++yynerrs; - - /* 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 yyreturnlab; - - -/*-----------------------------------. -| yyabortlab -- YYABORT comes here. | -`-----------------------------------*/ -yyabortlab: - yyresult = 1; - goto yyreturnlab; - - -/*-----------------------------------------------------------. -| yyexhaustedlab -- YYNOMEM (memory exhaustion) comes here. | -`-----------------------------------------------------------*/ -yyexhaustedlab: - yyerror (YY_("memory exhausted")); - yyresult = 2; - goto yyreturnlab; - - -/*----------------------------------------------------------. -| yyreturnlab -- parsing is finished, clean up and return. | -`----------------------------------------------------------*/ -yyreturnlab: - 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 - if (yymsg != yymsgbuf) - YYSTACK_FREE (yymsg); - return yyresult; -} - -#line 147 "sys/cmd/rc/syntax.y" - |