diff options
Diffstat (limited to 'command.c')
| -rw-r--r-- | command.c | 3646 |
1 files changed, 3646 insertions, 0 deletions
diff --git a/command.c b/command.c new file mode 100644 index 00000000..2f4608e2 --- /dev/null +++ b/command.c @@ -0,0 +1,3646 @@ + +/* A Bison parser, made by GNU Bison 2.4.1. */ + +/* Skeleton implementation for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 + Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.4.1" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + +/* Substitute the variable and function names. */ +#define yyparse zzparse +#define yylex zzlex +#define yyerror zzerror +#define yylval zzlval +#define yychar zzchar +#define yydebug zzdebug +#define yynerrs zznerrs + + +/* Copy the first part of user declarations. */ + +/* Line 189 of yacc.c */ +#line 26 "command.y" + +#include "awk.h" +#include "cmd.h" + +#if 0 +#define YYDEBUG 12 +int yydebug = 2; +#endif + +static int yylex(void); +static void yyerror(const char *mesg, ...); + +static int find_command(const char *token, size_t toklen); + +static int want_nodeval = FALSE; + +static int cmd_idx = -1; /* index of current command in cmd table */ +static int repeat_idx = -1; /* index of last repeatable command in command table */ +static CMDARG *arg_list = NULL; /* list of arguments */ +static long errcount = 0; +static char *lexptr_begin = NULL; +static int in_commands = FALSE; +static int num_dim; + +static int in_eval = FALSE; +static const char start_EVAL[] = "function @eval(){"; +static const char end_EVAL[] = "}"; +static CMDARG *append_statement(CMDARG *alist, char *stmt); +static char *next_word(char *p, int len, char **endp); +static NODE *concat_args(CMDARG *a, int count); + +#ifdef HAVE_LIBREADLINE +static void history_expand_line(char **line); +static char *command_generator(const char *text, int state); +static char *srcfile_generator(const char *text, int state); +static char *argument_generator(const char *text, int state); +static char *variable_generator(const char *text, int state); +extern char *option_generator(const char *text, int state); +static int this_cmd = D_illegal; +#else +#define history_expand_line(p) /* nothing */ +static int rl_inhibit_completion; /* dummy variable */ +#endif + +struct argtoken { + const char *name; + enum argtype cmd; + enum nametypeval value; +}; + +/* + * These two should be static, but there are some compilers that + * don't like the static keyword with an empty size. Therefore give + * them names that are less likely to conflict with the rest of gawk. + */ +#define argtab zz_debug_argtab +#define cmdtab zz_debug_cmdtab + +extern struct argtoken argtab[]; +extern struct cmdtoken cmdtab[]; + +static CMDARG *mk_cmdarg(enum argtype type); +static void append_cmdarg(CMDARG *arg); +static int find_argument(CMDARG *arg); +#define YYSTYPE CMDARG * + + +/* Line 189 of yacc.c */ +#line 149 "command.c" + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + D_BACKTRACE = 258, + D_BREAK = 259, + D_CLEAR = 260, + D_CONTINUE = 261, + D_DELETE = 262, + D_DISABLE = 263, + D_DOWN = 264, + D_ENABLE = 265, + D_FINISH = 266, + D_FRAME = 267, + D_HELP = 268, + D_IGNORE = 269, + D_INFO = 270, + D_LIST = 271, + D_NEXT = 272, + D_NEXTI = 273, + D_PRINT = 274, + D_PRINTF = 275, + D_QUIT = 276, + D_RETURN = 277, + D_RUN = 278, + D_SET = 279, + D_STEP = 280, + D_STEPI = 281, + D_TBREAK = 282, + D_UP = 283, + D_UNTIL = 284, + D_DISPLAY = 285, + D_UNDISPLAY = 286, + D_WATCH = 287, + D_UNWATCH = 288, + D_DUMP = 289, + D_TRACE = 290, + D_INT = 291, + D_STRING = 292, + D_NODE = 293, + D_VARIABLE = 294, + D_OPTION = 295, + D_COMMANDS = 296, + D_END = 297, + D_SILENT = 298, + D_SOURCE = 299, + D_SAVE = 300, + D_EVAL = 301, + D_CONDITION = 302, + D_STATEMENT = 303 + }; +#endif +/* Tokens. */ +#define D_BACKTRACE 258 +#define D_BREAK 259 +#define D_CLEAR 260 +#define D_CONTINUE 261 +#define D_DELETE 262 +#define D_DISABLE 263 +#define D_DOWN 264 +#define D_ENABLE 265 +#define D_FINISH 266 +#define D_FRAME 267 +#define D_HELP 268 +#define D_IGNORE 269 +#define D_INFO 270 +#define D_LIST 271 +#define D_NEXT 272 +#define D_NEXTI 273 +#define D_PRINT 274 +#define D_PRINTF 275 +#define D_QUIT 276 +#define D_RETURN 277 +#define D_RUN 278 +#define D_SET 279 +#define D_STEP 280 +#define D_STEPI 281 +#define D_TBREAK 282 +#define D_UP 283 +#define D_UNTIL 284 +#define D_DISPLAY 285 +#define D_UNDISPLAY 286 +#define D_WATCH 287 +#define D_UNWATCH 288 +#define D_DUMP 289 +#define D_TRACE 290 +#define D_INT 291 +#define D_STRING 292 +#define D_NODE 293 +#define D_VARIABLE 294 +#define D_OPTION 295 +#define D_COMMANDS 296 +#define D_END 297 +#define D_SILENT 298 +#define D_SOURCE 299 +#define D_SAVE 300 +#define D_EVAL 301 +#define D_CONDITION 302 +#define D_STATEMENT 303 + + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef int YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + + +/* Copy the second part of user declarations. */ + + +/* Line 264 of yacc.c */ +#line 287 "command.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER) +static int +YYID (int yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined _STDLIB_H \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow && (! defined __cplusplus || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (YYID (0)) +# endif +# endif + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 2 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 203 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 59 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 55 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 156 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 203 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 303 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 58, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 57, 2, 2, 2, + 2, 2, 2, 53, 50, 54, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 51, 2, + 2, 49, 2, 2, 52, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 55, 2, 56, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 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, 34, + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint16 yyprhs[] = +{ + 0, 0, 3, 4, 7, 9, 12, 15, 17, 19, + 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, + 41, 43, 45, 46, 51, 52, 53, 58, 62, 66, + 69, 71, 73, 75, 78, 81, 84, 88, 91, 92, + 96, 97, 101, 104, 107, 110, 113, 114, 120, 123, + 124, 128, 129, 133, 134, 139, 142, 145, 148, 151, + 154, 156, 158, 161, 162, 167, 169, 171, 173, 175, + 176, 178, 180, 183, 187, 189, 190, 192, 194, 196, + 197, 199, 203, 205, 206, 208, 210, 214, 218, 219, + 220, 224, 226, 227, 233, 237, 238, 240, 241, 243, + 244, 246, 247, 249, 251, 254, 256, 259, 263, 265, + 268, 272, 274, 276, 278, 280, 284, 286, 287, 289, + 291, 293, 295, 297, 301, 305, 309, 313, 314, 316, + 318, 320, 322, 325, 328, 330, 334, 336, 340, 344, + 346, 349, 351, 354, 357, 359, 362, 365, 366, 368, + 369, 371, 373, 376, 378, 381, 384 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 60, 0, -1, -1, 60, 61, -1, 113, -1, 71, + 113, -1, 1, 113, -1, 6, -1, 17, -1, 18, + -1, 25, -1, 26, -1, 31, -1, 33, -1, 8, + -1, 7, -1, 28, -1, 9, -1, 3, -1, 12, + -1, 4, -1, 27, -1, -1, 46, 66, 81, 113, + -1, -1, -1, 68, 48, 69, 113, -1, 67, 68, + 42, -1, 46, 66, 84, -1, 13, 94, -1, 21, + -1, 23, -1, 11, -1, 62, 109, -1, 64, 110, + -1, 15, 37, -1, 14, 111, 36, -1, 10, 95, + -1, -1, 19, 72, 97, -1, -1, 20, 73, 99, + -1, 16, 100, -1, 29, 87, -1, 5, 87, -1, + 65, 88, -1, -1, 24, 74, 107, 49, 108, -1, + 40, 85, -1, -1, 22, 75, 93, -1, -1, 30, + 76, 91, -1, -1, 32, 77, 107, 79, -1, 63, + 102, -1, 34, 92, -1, 44, 37, -1, 45, 37, + -1, 41, 80, -1, 42, -1, 43, -1, 35, 37, + -1, -1, 47, 111, 78, 79, -1, 70, -1, 83, + -1, 109, -1, 1, -1, -1, 82, -1, 39, -1, + 82, 39, -1, 82, 50, 39, -1, 1, -1, -1, + 84, -1, 1, -1, 38, -1, -1, 37, -1, 37, + 49, 37, -1, 37, -1, -1, 111, -1, 86, -1, + 37, 51, 111, -1, 37, 51, 86, -1, -1, -1, + 111, 89, 79, -1, 86, -1, -1, 37, 51, 111, + 90, 79, -1, 37, 51, 86, -1, -1, 107, -1, + -1, 37, -1, -1, 108, -1, -1, 37, -1, 102, + -1, 37, 102, -1, 107, -1, 52, 39, -1, 52, + 39, 106, -1, 96, -1, 97, 96, -1, 97, 50, + 96, -1, 1, -1, 38, -1, 107, -1, 98, -1, + 99, 50, 98, -1, 1, -1, -1, 53, -1, 54, + -1, 111, -1, 86, -1, 101, -1, 37, 51, 111, + -1, 37, 51, 86, -1, 37, 51, 101, -1, 111, + 54, 111, -1, -1, 103, -1, 1, -1, 111, -1, + 101, -1, 103, 111, -1, 103, 101, -1, 108, -1, + 104, 50, 108, -1, 1, -1, 55, 104, 56, -1, + 55, 104, 1, -1, 105, -1, 106, 105, -1, 39, + -1, 57, 38, -1, 39, 106, -1, 38, -1, 53, + 38, -1, 54, 38, -1, -1, 111, -1, -1, 112, + -1, 36, -1, 53, 36, -1, 36, -1, 53, 36, + -1, 54, 36, -1, 58, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 106, 106, 108, 126, 127, 177, 184, 185, 186, + 187, 188, 192, 193, 194, 195, 199, 200, 201, 202, + 206, 207, 212, 216, 235, 242, 242, 249, 265, 279, + 280, 281, 282, 283, 284, 290, 302, 303, 304, 304, + 305, 305, 306, 307, 308, 309, 310, 310, 311, 312, + 312, 313, 313, 314, 314, 315, 316, 317, 322, 327, + 353, 363, 368, 380, 380, 388, 402, 415, 416, 422, + 423, 427, 428, 429, 430, 436, 437, 438, 443, 454, + 455, 460, 468, 485, 486, 487, 488, 489, 494, 495, + 495, 496, 497, 497, 498, 503, 504, 509, 510, 515, + 516, 519, 521, 525, 526, 541, 542, 547, 555, 556, + 557, 558, 562, 563, 567, 568, 569, 574, 575, 577, + 584, 585, 586, 587, 588, 589, 593, 606, 607, 608, + 612, 613, 614, 615, 619, 621, 623, 627, 642, 646, + 648, 653, 654, 663, 673, 675, 682, 695, 696, 702, + 703, 708, 714, 723, 725, 727, 735 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "D_BACKTRACE", "D_BREAK", "D_CLEAR", + "D_CONTINUE", "D_DELETE", "D_DISABLE", "D_DOWN", "D_ENABLE", "D_FINISH", + "D_FRAME", "D_HELP", "D_IGNORE", "D_INFO", "D_LIST", "D_NEXT", "D_NEXTI", + "D_PRINT", "D_PRINTF", "D_QUIT", "D_RETURN", "D_RUN", "D_SET", "D_STEP", + "D_STEPI", "D_TBREAK", "D_UP", "D_UNTIL", "D_DISPLAY", "D_UNDISPLAY", + "D_WATCH", "D_UNWATCH", "D_DUMP", "D_TRACE", "D_INT", "D_STRING", + "D_NODE", "D_VARIABLE", "D_OPTION", "D_COMMANDS", "D_END", "D_SILENT", + "D_SOURCE", "D_SAVE", "D_EVAL", "D_CONDITION", "D_STATEMENT", "'='", + "','", "':'", "'@'", "'+'", "'-'", "'['", "']'", "'$'", "'\\n'", + "$accept", "input", "line", "control_cmd", "d_cmd", "frame_cmd", + "break_cmd", "set_want_nodeval", "eval_prologue", "statement_list", "@1", + "eval_cmd", "command", "$@2", "$@3", "$@4", "$@5", "$@6", "$@7", "$@8", + "condition_exp", "commands_arg", "opt_param_list", "param_list", + "opt_string_node", "string_node", "option_args", "func_name", "location", + "break_args", "$@9", "$@10", "opt_variable", "opt_string", "opt_node", + "help_args", "enable_args", "print_exp", "print_args", "printf_exp", + "printf_args", "list_args", "integer_range", "opt_integer_list", + "integer_list", "exp_list", "subscript", "subscript_list", "variable", + "node", "opt_plus_integer", "opt_integer", "plus_integer", "integer", + "nls", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 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, 289, 290, 291, 292, 293, 294, + 295, 296, 297, 298, 299, 300, 301, 302, 303, 61, + 44, 58, 64, 43, 45, 91, 93, 36, 10 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 59, 60, 60, 61, 61, 61, 62, 62, 62, + 62, 62, 63, 63, 63, 63, 64, 64, 64, 64, + 65, 65, 66, 67, 68, 69, 68, 70, 70, 71, + 71, 71, 71, 71, 71, 71, 71, 71, 72, 71, + 73, 71, 71, 71, 71, 71, 74, 71, 71, 75, + 71, 76, 71, 77, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 78, 71, 71, 79, 80, 80, 81, + 81, 82, 82, 82, 82, 83, 83, 83, 84, 85, + 85, 85, 86, 87, 87, 87, 87, 87, 88, 89, + 88, 88, 90, 88, 88, 91, 91, 92, 92, 93, + 93, 94, 94, 95, 95, 96, 96, 96, 97, 97, + 97, 97, 98, 98, 99, 99, 99, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 101, 102, 102, 102, + 103, 103, 103, 103, 104, 104, 104, 105, 105, 106, + 106, 107, 107, 107, 108, 108, 108, 109, 109, 110, + 110, 111, 111, 112, 112, 112, 113 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 0, 2, 1, 2, 2, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 0, 4, 0, 0, 4, 3, 3, 2, + 1, 1, 1, 2, 2, 2, 3, 2, 0, 3, + 0, 3, 2, 2, 2, 2, 0, 5, 2, 0, + 3, 0, 3, 0, 4, 2, 2, 2, 2, 2, + 1, 1, 2, 0, 4, 1, 1, 1, 1, 0, + 1, 1, 2, 3, 1, 0, 1, 1, 1, 0, + 1, 3, 1, 0, 1, 1, 3, 3, 0, 0, + 3, 1, 0, 5, 3, 0, 1, 0, 1, 0, + 1, 0, 1, 1, 2, 1, 2, 3, 1, 2, + 3, 1, 1, 1, 1, 3, 1, 0, 1, 1, + 1, 1, 1, 3, 3, 3, 3, 0, 1, 1, + 1, 1, 2, 2, 1, 3, 1, 3, 3, 1, + 2, 1, 2, 2, 1, 2, 2, 0, 1, 0, + 1, 1, 2, 1, 2, 2, 1 +}; + +/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state + STATE-NUM when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 2, 0, 1, 0, 18, 20, 83, 7, 15, 14, + 17, 0, 32, 19, 101, 0, 0, 117, 8, 9, + 38, 40, 30, 49, 31, 46, 10, 11, 21, 16, + 83, 51, 12, 53, 13, 97, 0, 79, 0, 60, + 61, 0, 0, 22, 0, 156, 3, 147, 0, 149, + 88, 24, 65, 0, 4, 6, 151, 82, 0, 85, + 44, 84, 129, 0, 37, 131, 103, 128, 130, 102, + 29, 0, 35, 82, 118, 119, 121, 42, 122, 120, + 0, 0, 99, 0, 43, 95, 0, 98, 56, 62, + 80, 48, 68, 59, 67, 148, 57, 58, 0, 63, + 33, 55, 153, 0, 0, 34, 150, 82, 91, 45, + 89, 0, 5, 0, 152, 104, 133, 132, 0, 36, + 0, 111, 141, 0, 0, 108, 39, 105, 116, 112, + 114, 41, 113, 144, 0, 0, 50, 100, 0, 52, + 96, 0, 0, 74, 78, 71, 0, 70, 28, 0, + 154, 155, 0, 0, 27, 25, 82, 87, 86, 126, + 124, 125, 123, 0, 139, 143, 106, 142, 0, 109, + 0, 145, 146, 0, 77, 54, 66, 76, 81, 23, + 72, 0, 64, 94, 92, 90, 0, 136, 0, 134, + 140, 107, 110, 115, 47, 73, 0, 26, 138, 0, + 137, 93, 135 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int16 yydefgoto[] = +{ + -1, 1, 46, 47, 48, 49, 50, 98, 51, 111, + 186, 52, 53, 80, 81, 83, 82, 85, 86, 149, + 175, 93, 146, 147, 176, 177, 91, 59, 60, 109, + 153, 196, 139, 88, 136, 70, 64, 125, 126, 130, + 131, 77, 65, 66, 67, 188, 164, 165, 127, 137, + 94, 105, 68, 106, 54 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -151 +static const yytype_int16 yypact[] = +{ + -151, 145, -151, -34, -151, -151, 50, -151, -151, -151, + -151, 10, -151, -151, -10, 59, -9, 43, -151, -151, + -151, -151, -151, -151, -151, -151, -151, -151, -151, -151, + 50, -151, -151, -151, -151, -8, -6, 14, 12, -151, + -151, 22, 23, -151, 59, -151, -151, 59, 13, 36, + 64, -151, -151, -34, -151, -151, -151, 24, 47, -151, + -151, -151, -151, 13, -151, -151, -151, 59, 48, -151, + -151, 80, -151, 67, 47, -151, -151, -151, -151, 48, + 4, 19, 69, -20, -151, -20, -20, -151, -151, -151, + 70, -151, -151, -151, -151, -151, -151, -151, 16, -151, + -151, -151, -151, 84, 85, -151, -151, 73, -151, -151, + -151, 40, -151, 74, -151, -151, -151, 48, 59, -151, + 74, -151, 71, 89, 91, -151, 42, -151, -151, -151, + -151, 81, -151, -151, 92, 94, -151, -151, 86, -151, + -151, 6, 96, -151, -151, -151, -34, 75, -151, 6, + -151, -151, 74, 6, -151, -151, -151, -151, -151, -151, + -151, -151, 48, 31, -151, 71, 71, -151, 52, -151, + -17, -151, -151, 69, -151, -151, -151, -151, -151, -151, + -151, 95, -151, -151, -151, -151, -34, -151, 17, -151, + -151, 71, -151, -151, -151, -151, 6, -151, -151, 69, + -151, -151, -151 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int16 yypgoto[] = +{ + -151, -151, -151, -151, -151, -151, -151, -151, -151, -151, + -151, -151, -151, -151, -151, -151, -151, -151, -151, -151, + -119, -151, -151, -151, -151, 38, -151, -15, 108, -151, + -151, -151, -151, -151, -151, -151, -151, -90, -151, -31, + -151, -151, -14, -25, -151, -151, -150, -26, -77, -147, + 97, -151, -5, -151, -3 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -148 +static const yytype_int16 yytable[] = +{ + 55, 61, 76, 78, 132, 121, 138, 174, 140, 141, + 71, 62, 79, 92, 62, 190, 189, 143, 198, 122, + 128, 129, 122, 101, 45, 61, 194, 69, 72, 87, + 182, 89, 187, 95, 185, 108, 169, 124, 115, 99, + 124, 190, 95, 122, 144, 110, 56, 63, 56, 56, + 112, 90, 202, 116, 144, 145, 123, 129, 122, 96, + 97, 124, 117, 58, -75, 58, 58, 199, -127, 133, + -147, -127, 102, 200, -69, 113, 124, 201, 192, 56, + 73, 122, 154, 114, 134, 135, 56, 57, 155, 103, + 104, 122, 168, 132, 123, 56, 74, 75, 157, 124, + 56, 107, 118, 58, 123, 160, 161, 133, 158, 124, + 56, 156, 58, 159, 180, 162, 119, 58, 120, 142, + 150, 151, 134, 135, 152, 181, 163, 58, 166, 167, + 171, 170, 172, 178, 195, 173, 148, 183, 84, 193, + 191, 0, 0, 179, 100, 2, 3, 184, 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, 34, 35, + 36, 0, 0, 197, 0, 37, 38, 39, 40, 41, + 42, 43, 44, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 45 +}; + +static const yytype_int16 yycheck[] = +{ + 3, 6, 17, 17, 81, 1, 83, 1, 85, 86, + 15, 1, 17, 1, 1, 165, 163, 1, 1, 39, + 1, 38, 39, 48, 58, 30, 173, 37, 37, 37, + 149, 37, 1, 38, 153, 50, 126, 57, 63, 44, + 57, 191, 47, 39, 38, 50, 36, 37, 36, 36, + 53, 37, 199, 67, 38, 39, 52, 38, 39, 37, + 37, 57, 67, 53, 58, 53, 53, 50, 58, 38, + 58, 58, 36, 56, 58, 51, 57, 196, 168, 36, + 37, 39, 42, 36, 53, 54, 36, 37, 48, 53, + 54, 39, 50, 170, 52, 36, 53, 54, 113, 57, + 36, 37, 54, 53, 52, 120, 120, 38, 113, 57, + 36, 37, 53, 118, 39, 120, 36, 53, 51, 49, + 36, 36, 53, 54, 51, 50, 55, 53, 39, 38, + 38, 50, 38, 37, 39, 49, 98, 152, 30, 170, + 166, -1, -1, 146, 47, 0, 1, 152, 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, 34, + 35, -1, -1, 186, -1, 40, 41, 42, 43, 44, + 45, 46, 47, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 58 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 60, 0, 1, 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, 34, 35, 40, 41, 42, + 43, 44, 45, 46, 47, 58, 61, 62, 63, 64, + 65, 67, 70, 71, 113, 113, 36, 37, 53, 86, + 87, 111, 1, 37, 95, 101, 102, 103, 111, 37, + 94, 111, 37, 37, 53, 54, 86, 100, 101, 111, + 72, 73, 75, 74, 87, 76, 77, 37, 92, 37, + 37, 85, 1, 80, 109, 111, 37, 37, 66, 111, + 109, 102, 36, 53, 54, 110, 112, 37, 86, 88, + 111, 68, 113, 51, 36, 102, 101, 111, 54, 36, + 51, 1, 39, 52, 57, 96, 97, 107, 1, 38, + 98, 99, 107, 38, 53, 54, 93, 108, 107, 91, + 107, 107, 49, 1, 38, 39, 81, 82, 84, 78, + 36, 36, 51, 89, 42, 48, 37, 86, 111, 111, + 86, 101, 111, 55, 105, 106, 39, 38, 50, 96, + 50, 38, 38, 49, 1, 79, 83, 84, 37, 113, + 39, 50, 79, 86, 111, 79, 69, 1, 104, 108, + 105, 106, 96, 98, 108, 39, 90, 113, 1, 50, + 56, 79, 108 +}; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. */ + +#define YYFAIL goto yyerrlab + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK (1); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (YYLEX_PARAM) +#else +# define YYLEX yylex () +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; +#endif +{ + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + yy_symbol_value_print (yyoutput, yytype, yyvaluep); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, int yyrule) +#else +static void +yy_reduce_print (yyvsp, yyrule) + YYSTYPE *yyvsp; + int yyrule; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + ); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, Rule); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into YYRESULT an error message about the unexpected token + YYCHAR while in state YYSTATE. Return the number of bytes copied, + including the terminating null byte. If YYRESULT is null, do not + copy anything; just return the number of bytes that would be + copied. As a special case, return 0 if an ordinary "syntax error" + message will do. Return YYSIZE_MAXIMUM if overflow occurs during + size calculation. */ +static YYSIZE_T +yysyntax_error (char *yyresult, int yystate, int yychar) +{ + int yyn = yypact[yystate]; + + if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) + return 0; + else + { + int yytype = YYTRANSLATE (yychar); + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + int yysize_overflow = 0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + int yyx; + +# if 0 + /* This is so xgettext sees the translatable formats that are + constructed on the fly. */ + YY_("syntax error, unexpected %s"); + YY_("syntax error, unexpected %s, expecting %s"); + YY_("syntax error, unexpected %s, expecting %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); +# endif + char *yyfmt; + char const *yyf; + static char const yyunexpected[] = "syntax error, unexpected %s"; + static char const yyexpecting[] = ", expecting %s"; + static char const yyor[] = " or %s"; + char yyformat[sizeof yyunexpected + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; + char const *yyprefix = yyexpecting; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + 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 yycount = 1; + + yyarg[0] = yytname[yytype]; + yyfmt = yystpcpy (yyformat, yyunexpected); + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } + + yyf = YY_(yyformat); + yysize1 = yysize + yystrlen (yyf); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + + if (yysize_overflow) + return YYSIZE_MAXIMUM; + + if (yyresult) + { + /* 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 = yyresult; + int yyi = 0; + while ((*yyp = *yyf) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; + } +} +#endif /* YYERROR_VERBOSE */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) +#else +static void +yydestruct (yymsg, yytype, yyvaluep) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; +#endif +{ + YYUSE (yyvaluep); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + +/* Prevent warnings from -Wmissing-prototypes. */ +#ifdef YYPARSE_PARAM +#if defined __STDC__ || defined __cplusplus +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); +#endif +#else /* ! YYPARSE_PARAM */ +#if defined __STDC__ || defined __cplusplus +int yyparse (void); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Number of syntax errors so far. */ +int yynerrs; + + + +/*-------------------------. +| yyparse or yypush_parse. | +`-------------------------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER) +int +yyparse (void) +#else +int +yyparse () + +#endif +#endif +{ + + + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + yyssp = yyss; + yyvsp = yyvs; + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + + 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 3: + +/* Line 1455 of yacc.c */ +#line 109 "command.y" + { + cmd_idx = -1; + want_nodeval = FALSE; + if (lexptr_begin != NULL) { + if (input_from_tty && lexptr_begin[0] != '\0') + add_history(lexptr_begin); + efree(lexptr_begin); + lexptr_begin = NULL; + } + if (arg_list != NULL) { + free_cmdarg(arg_list); + arg_list = NULL; + } + } + break; + + case 5: + +/* Line 1455 of yacc.c */ +#line 128 "command.y" + { + if (errcount == 0 && cmd_idx >= 0) { + Func_cmd cmdfunc; + int terminate = FALSE; + CMDARG *args; + int ctype = 0; + + ctype = cmdtab[cmd_idx].type; + + /* a blank line repeats previous command + * (list, next, nexti, step, stepi and continue without arguments). + * save the index in the command table; used in yylex + */ + if ((ctype == D_list + || ctype == D_next + || ctype == D_step + || ctype == D_nexti + || ctype == D_stepi + || ctype == D_continue) + && arg_list == NULL + && ! in_commands + && input_from_tty + ) + repeat_idx = cmd_idx; + else + repeat_idx = -1; + + /* call the command handler; reset the globals arg_list, cmd_idx, + * since this handler could invoke yyparse again. + * call do_commands for the list of commands in `commands'; + * arg_list isn't freed on return. + */ + + cmdfunc = cmdtab[cmd_idx].cf_ptr; + if (in_commands) + cmdfunc = do_commands; + cmd_idx = -1; + want_nodeval = FALSE; + + args = arg_list; + arg_list = NULL; + + terminate = (*cmdfunc)(args, ctype); + if (! in_commands || ctype == D_commands) + free_cmdarg(args); + if (terminate) + YYACCEPT; + } + } + break; + + case 6: + +/* Line 1455 of yacc.c */ +#line 178 "command.y" + { + yyerrok; + } + break; + + case 22: + +/* Line 1455 of yacc.c */ +#line 212 "command.y" + { want_nodeval = TRUE; } + break; + + case 23: + +/* Line 1455 of yacc.c */ +#line 217 "command.y" + { + if (errcount == 0) { + /* don't free arg_list; passed on to statement_list + * non-terminal (empty rule action). See below. + */ + if (input_from_tty) { + dPrompt = eval_Prompt; + fprintf(out_fp, _("Type (g)awk statement(s). End with the command \"end\"\n")); + rl_inhibit_completion = 1; + } + cmd_idx = -1; + in_eval = TRUE; + } + } + break; + + case 24: + +/* Line 1455 of yacc.c */ +#line 235 "command.y" + { + (yyval) = append_statement(arg_list, (char *) start_EVAL); + if (read_a_line == read_commands_string) /* unserializing 'eval' in 'commands' */ + (yyval)->a_string[0] = '\0'; + free_cmdarg(arg_list); + arg_list = NULL; + } + break; + + case 25: + +/* Line 1455 of yacc.c */ +#line 242 "command.y" + { (yyval) = append_statement((yyvsp[(1) - (2)]), lexptr_begin); } + break; + + case 26: + +/* Line 1455 of yacc.c */ +#line 243 "command.y" + { + (yyval) = (yyvsp[(3) - (4)]); + } + break; + + case 27: + +/* Line 1455 of yacc.c */ +#line 250 "command.y" + { + arg_list = append_statement((yyvsp[(2) - (3)]), (char *) end_EVAL); + if (read_a_line == read_commands_string) { /* unserializing 'eval' in 'commands' */ + char *str = arg_list->a_string; + size_t len = strlen(str); + assert(len > 2 && str[len - 2] == '}'); + str[len - 2] = '\0'; + } + if (input_from_tty) { + dPrompt = in_commands ? commands_Prompt : dgawk_Prompt; + rl_inhibit_completion = 0; + } + cmd_idx = find_command("eval", 4); + in_eval = FALSE; + } + break; + + case 28: + +/* Line 1455 of yacc.c */ +#line 266 "command.y" + { + NODE *n; + CMDARG *arg; + n = (yyvsp[(3) - (3)])->a_node; + arg = append_statement(NULL, (char *) start_EVAL); + (void) append_statement(arg, n->stptr); + (void) append_statement(arg, (char *) end_EVAL); + free_cmdarg(arg_list); + arg_list = arg; + } + break; + + case 34: + +/* Line 1455 of yacc.c */ +#line 285 "command.y" + { + if (cmdtab[cmd_idx].class == D_FRAME + && (yyvsp[(2) - (2)]) != NULL && (yyvsp[(2) - (2)])->a_int < 0) + yyerror(_("invalid frame number: %d"), (yyvsp[(2) - (2)])->a_int); + } + break; + + case 35: + +/* Line 1455 of yacc.c */ +#line 291 "command.y" + { + int idx = find_argument((yyvsp[(2) - (2)])); + if (idx < 0) + yyerror(_("info: invalid option - \"%s\""), (yyvsp[(2) - (2)])->a_string); + else { + efree((yyvsp[(2) - (2)])->a_string); + (yyvsp[(2) - (2)])->a_string = NULL; + (yyvsp[(2) - (2)])->type = D_argument; + (yyvsp[(2) - (2)])->a_argument = argtab[idx].value; + } + } + break; + + case 38: + +/* Line 1455 of yacc.c */ +#line 304 "command.y" + { want_nodeval = TRUE; } + break; + + case 40: + +/* Line 1455 of yacc.c */ +#line 305 "command.y" + { want_nodeval = TRUE; } + break; + + case 46: + +/* Line 1455 of yacc.c */ +#line 310 "command.y" + { want_nodeval = TRUE; } + break; + + case 49: + +/* Line 1455 of yacc.c */ +#line 312 "command.y" + { want_nodeval = TRUE; } + break; + + case 51: + +/* Line 1455 of yacc.c */ +#line 313 "command.y" + { want_nodeval = TRUE; } + break; + + case 53: + +/* Line 1455 of yacc.c */ +#line 314 "command.y" + { want_nodeval = TRUE; } + break; + + case 57: + +/* Line 1455 of yacc.c */ +#line 318 "command.y" + { + if (in_cmd_src((yyvsp[(2) - (2)])->a_string)) + yyerror(_("source \"%s\": already sourced."), (yyvsp[(2) - (2)])->a_string); + } + break; + + case 58: + +/* Line 1455 of yacc.c */ +#line 323 "command.y" + { + if (! input_from_tty) + yyerror(_("save \"%s\": command not permitted."), (yyvsp[(2) - (2)])->a_string); + } + break; + + case 59: + +/* Line 1455 of yacc.c */ +#line 328 "command.y" + { + int type = 0; + int num; + + if ((yyvsp[(2) - (2)]) != NULL) + num = (yyvsp[(2) - (2)])->a_int; + + if (errcount != 0) + ; + else if (in_commands) + yyerror(_("Can't use command `commands' for breakpoint/watchpoint commands")); + else if ((yyvsp[(2) - (2)]) == NULL && ! (type = has_break_or_watch_point(&num, TRUE))) + yyerror(_("no breakpoint/watchpoint has been set yet")); + else if ((yyvsp[(2) - (2)]) != NULL && ! (type = has_break_or_watch_point(&num, FALSE))) + yyerror(_("invalid breakpoint/watchpoint number")); + if (type) { + in_commands = TRUE; + if (input_from_tty) { + dPrompt = commands_Prompt; + fprintf(out_fp, _("Type commands for when %s %d is hit, one per line.\n"), + (type == D_break) ? "breakpoint" : "watchpoint", num); + fprintf(out_fp, _("End with the command \"end\"\n")); + } + } + } + break; + + case 60: + +/* Line 1455 of yacc.c */ +#line 354 "command.y" + { + if (! in_commands) + yyerror(_("`end' valid only in command `commands' or `eval'")); + else { + if (input_from_tty) + dPrompt = dgawk_Prompt; + in_commands = FALSE; + } + } + break; + + case 61: + +/* Line 1455 of yacc.c */ +#line 364 "command.y" + { + if (! in_commands) + yyerror(_("`silent' valid only in command `commands'")); + } + break; + + case 62: + +/* Line 1455 of yacc.c */ +#line 369 "command.y" + { + int idx = find_argument((yyvsp[(2) - (2)])); + if (idx < 0) + yyerror(_("trace: invalid option - \"%s\""), (yyvsp[(2) - (2)])->a_string); + else { + efree((yyvsp[(2) - (2)])->a_string); + (yyvsp[(2) - (2)])->a_string = NULL; + (yyvsp[(2) - (2)])->type = D_argument; + (yyvsp[(2) - (2)])->a_argument = argtab[idx].value; + } + } + break; + + case 63: + +/* Line 1455 of yacc.c */ +#line 380 "command.y" + { want_nodeval = TRUE; } + break; + + case 64: + +/* Line 1455 of yacc.c */ +#line 381 "command.y" + { + int type; + int num = (yyvsp[(2) - (4)])->a_int; + type = has_break_or_watch_point(&num, FALSE); + if (! type) + yyerror(_("condition: invalid breakpoint/watchpoint number")); + } + break; + + case 65: + +/* Line 1455 of yacc.c */ +#line 389 "command.y" + { + if (in_commands) { + /* Prepend command 'eval' to argument list */ + CMDARG *arg; + arg = mk_cmdarg(D_string); + arg->a_string = estrdup("eval", 4); + arg->next = arg_list; + arg_list = arg; + } + } + break; + + case 66: + +/* Line 1455 of yacc.c */ +#line 403 "command.y" + { + if ((yyvsp[(1) - (1)]) != NULL) { + NODE *n = (yyvsp[(1) - (1)])->a_node; + (yyvsp[(1) - (1)])->type = D_string; + (yyvsp[(1) - (1)])->a_string = n->stptr; + freenode(n); + } + (yyval) = (yyvsp[(1) - (1)]); + } + break; + + case 68: + +/* Line 1455 of yacc.c */ +#line 417 "command.y" + { (yyval) = NULL; } + break; + + case 69: + +/* Line 1455 of yacc.c */ +#line 422 "command.y" + { (yyval) = NULL; } + break; + + case 74: + +/* Line 1455 of yacc.c */ +#line 431 "command.y" + { (yyval) = NULL; } + break; + + case 75: + +/* Line 1455 of yacc.c */ +#line 436 "command.y" + { (yyval) = NULL; } + break; + + case 77: + +/* Line 1455 of yacc.c */ +#line 439 "command.y" + { (yyval) = NULL; } + break; + + case 78: + +/* Line 1455 of yacc.c */ +#line 444 "command.y" + { + NODE *n; + n = (yyvsp[(1) - (1)])->a_node; + if ((n->flags & STRING) == 0) + yyerror(_("argument not a string")); + } + break; + + case 79: + +/* Line 1455 of yacc.c */ +#line 454 "command.y" + { (yyval) = NULL; } + break; + + case 80: + +/* Line 1455 of yacc.c */ +#line 456 "command.y" + { + if (find_option((yyvsp[(1) - (1)])->a_string) < 0) + yyerror(_("option: invalid parameter - \"%s\""), (yyvsp[(1) - (1)])->a_string); + } + break; + + case 81: + +/* Line 1455 of yacc.c */ +#line 461 "command.y" + { + if (find_option((yyvsp[(1) - (3)])->a_string) < 0) + yyerror(_("option: invalid parameter - \"%s\""), (yyvsp[(1) - (3)])->a_string); + } + break; + + case 82: + +/* Line 1455 of yacc.c */ +#line 469 "command.y" + { + NODE *n; + n = lookup((yyvsp[(1) - (1)])->a_string); + if (n == NULL || n->type != Node_func) + yyerror(_("no such function - \"%s\""), (yyvsp[(1) - (1)])->a_string); + else { + (yyvsp[(1) - (1)])->type = D_func; + efree((yyvsp[(1) - (1)])->a_string); + (yyvsp[(1) - (1)])->a_string = NULL; + (yyvsp[(1) - (1)])->a_node = n; + } + } + break; + + case 83: + +/* Line 1455 of yacc.c */ +#line 485 "command.y" + { (yyval) = NULL; } + break; + + case 88: + +/* Line 1455 of yacc.c */ +#line 494 "command.y" + { (yyval) = NULL; } + break; + + case 89: + +/* Line 1455 of yacc.c */ +#line 495 "command.y" + { want_nodeval = TRUE; } + break; + + case 92: + +/* Line 1455 of yacc.c */ +#line 497 "command.y" + { want_nodeval = TRUE; } + break; + + case 95: + +/* Line 1455 of yacc.c */ +#line 503 "command.y" + { (yyval) = NULL; } + break; + + case 97: + +/* Line 1455 of yacc.c */ +#line 509 "command.y" + { (yyval) = NULL; } + break; + + case 99: + +/* Line 1455 of yacc.c */ +#line 515 "command.y" + { (yyval) = NULL; } + break; + + case 104: + +/* Line 1455 of yacc.c */ +#line 527 "command.y" + { + int idx = find_argument((yyvsp[(1) - (2)])); + if (idx < 0) + yyerror(_("enable: invalid option - \"%s\""), (yyvsp[(1) - (2)])->a_string); + else { + efree((yyvsp[(1) - (2)])->a_string); + (yyvsp[(1) - (2)])->a_string = NULL; + (yyvsp[(1) - (2)])->type = D_argument; + (yyvsp[(1) - (2)])->a_argument = argtab[idx].value; + } + } + break; + + case 106: + +/* Line 1455 of yacc.c */ +#line 543 "command.y" + { + (yyvsp[(2) - (2)])->type = D_array; /* dump all items */ + (yyvsp[(2) - (2)])->a_count = 0; + } + break; + + case 107: + +/* Line 1455 of yacc.c */ +#line 548 "command.y" + { + (yyvsp[(2) - (3)])->type = D_array; + (yyvsp[(2) - (3)])->a_count = num_dim; + } + break; + + case 117: + +/* Line 1455 of yacc.c */ +#line 574 "command.y" + { (yyval) = NULL; } + break; + + case 118: + +/* Line 1455 of yacc.c */ +#line 576 "command.y" + { (yyval) = NULL; } + break; + + case 119: + +/* Line 1455 of yacc.c */ +#line 578 "command.y" + { + CMDARG *a; + a = mk_cmdarg(D_int); + a->a_int = -1; + append_cmdarg(a); + } + break; + + case 126: + +/* Line 1455 of yacc.c */ +#line 594 "command.y" + { + if ((yyvsp[(1) - (3)])->a_int > (yyvsp[(3) - (3)])->a_int) + yyerror(_("invalid range specification: %d - %d"), + (yyvsp[(1) - (3)])->a_int, (yyvsp[(3) - (3)])->a_int); + else + (yyvsp[(1) - (3)])->type = D_range; + (yyval) = (yyvsp[(1) - (3)]); + } + break; + + case 127: + +/* Line 1455 of yacc.c */ +#line 606 "command.y" + { (yyval) = NULL; } + break; + + case 134: + +/* Line 1455 of yacc.c */ +#line 620 "command.y" + { (yyval) = (yyvsp[(1) - (1)]); } + break; + + case 135: + +/* Line 1455 of yacc.c */ +#line 622 "command.y" + { (yyval) = (yyvsp[(1) - (3)]); } + break; + + case 137: + +/* Line 1455 of yacc.c */ +#line 628 "command.y" + { + CMDARG *a; + NODE *subs; + int count = 0; + + for (a = (yyvsp[(2) - (3)]); a != NULL; a = a->next) + count++; + subs =concat_args((yyvsp[(2) - (3)]), count); + free_cmdarg((yyvsp[(2) - (3)])->next); + (yyvsp[(2) - (3)])->next = NULL; + (yyvsp[(2) - (3)])->type = D_node; + (yyvsp[(2) - (3)])->a_node = subs; + (yyval) = (yyvsp[(2) - (3)]); + } + break; + + case 139: + +/* Line 1455 of yacc.c */ +#line 647 "command.y" + { (yyval) = (yyvsp[(1) - (1)]); num_dim = 1; } + break; + + case 140: + +/* Line 1455 of yacc.c */ +#line 649 "command.y" + { (yyval) = (yyvsp[(1) - (2)]); num_dim++; } + break; + + case 142: + +/* Line 1455 of yacc.c */ +#line 655 "command.y" + { + NODE *n = (yyvsp[(2) - (2)])->a_node; + if ((n->flags & NUMBER) == 0) + yyerror(_("non-numeric value for field number")); + else + (yyvsp[(2) - (2)])->type = D_field; + (yyval) = (yyvsp[(2) - (2)]); + } + break; + + case 143: + +/* Line 1455 of yacc.c */ +#line 664 "command.y" + { + /* a_string is array name, a_count is dimension count */ + (yyvsp[(1) - (2)])->type = D_subscript; + (yyvsp[(1) - (2)])->a_count = num_dim; + (yyval) = (yyvsp[(1) - (2)]); + } + break; + + case 144: + +/* Line 1455 of yacc.c */ +#line 674 "command.y" + { (yyval) = (yyvsp[(1) - (1)]); } + break; + + case 145: + +/* Line 1455 of yacc.c */ +#line 676 "command.y" + { + NODE *n = (yyvsp[(2) - (2)])->a_node; + if ((n->flags & NUMBER) == 0) + yyerror(_("non-numeric value found, numeric expected")); + (yyval) = (yyvsp[(2) - (2)]); + } + break; + + case 146: + +/* Line 1455 of yacc.c */ +#line 683 "command.y" + { + NODE *n = (yyvsp[(2) - (2)])->a_node; + if ((n->flags & NUMBER) == 0) + yyerror(_("non-numeric value found, numeric expected")); + else + (yyvsp[(2) - (2)])->a_node->numbr = - n->numbr; + (yyval) = (yyvsp[(2) - (2)]); + } + break; + + case 147: + +/* Line 1455 of yacc.c */ +#line 695 "command.y" + { (yyval) = NULL; } + break; + + case 148: + +/* Line 1455 of yacc.c */ +#line 697 "command.y" + { (yyval) = (yyvsp[(1) - (1)]); } + break; + + case 149: + +/* Line 1455 of yacc.c */ +#line 702 "command.y" + { (yyval) = NULL; } + break; + + case 150: + +/* Line 1455 of yacc.c */ +#line 704 "command.y" + { (yyval) = (yyvsp[(1) - (1)]); } + break; + + case 151: + +/* Line 1455 of yacc.c */ +#line 709 "command.y" + { + if ((yyvsp[(1) - (1)])->a_int == 0) + yyerror(_("non-zero integer value")); + (yyval) = (yyvsp[(1) - (1)]); + } + break; + + case 152: + +/* Line 1455 of yacc.c */ +#line 715 "command.y" + { + if ((yyvsp[(2) - (2)])->a_int == 0) + yyerror(_("non-zero integer value")); + (yyval) = (yyvsp[(2) - (2)]); + } + break; + + case 153: + +/* Line 1455 of yacc.c */ +#line 724 "command.y" + { (yyval) = (yyvsp[(1) - (1)]); } + break; + + case 154: + +/* Line 1455 of yacc.c */ +#line 726 "command.y" + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 155: + +/* Line 1455 of yacc.c */ +#line 728 "command.y" + { + (yyvsp[(2) - (2)])->a_int = - (yyvsp[(2) - (2)])->a_int; + (yyval) = (yyvsp[(2) - (2)]); + } + break; + + case 156: + +/* Line 1455 of yacc.c */ +#line 736 "command.y" + { + if (lexptr_begin != NULL) { + if (input_from_tty && lexptr_begin[0] != '\0') + add_history(lexptr_begin); + efree(lexptr_begin); + lexptr_begin = NULL; + } + } + break; + + + +/* Line 1455 of yacc.c */ +#line 2511 "command.c" + default: break; + } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + } + } + + if (0 < yysize && yysize <= yymsg_alloc) + { + (void) yysyntax_error (yymsg, yystate, yychar); + yyerror (yymsg); + } + else + { + yyerror (YY_("syntax error")); + if (yysize != 0) + goto yyexhaustedlab; + } + } +#endif + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + + yydestruct ("Error: popping", + yystos[yystate], yyvsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + *++yyvsp = yylval; + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined(yyoverflow) || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + + +/* Line 1675 of yacc.c */ +#line 746 "command.y" + + + +/* append_statement --- append 'stmt' to the list of eval awk statements */ + +static CMDARG * +append_statement(CMDARG *alist, char *stmt) +{ + CMDARG *a, *arg; + char *s; + int len, slen, ssize; + +#define EVALSIZE 512 + + if (stmt == start_EVAL) { + len = sizeof(start_EVAL); + for (a = alist; a != NULL; a = a->next) + len += strlen(a->a_string) + 1; /* 1 for ',' */ + len += EVALSIZE; + + emalloc(s, char *, (len + 2) * sizeof(char), "append_statement"); + arg = mk_cmdarg(D_string); + arg->a_string = s; + arg->a_count = len; /* kludge */ + + slen = sizeof("function @eval(") - 1; + memcpy(s, start_EVAL, slen); + + for (a = alist; a != NULL; a = a->next) { + len = strlen(a->a_string); + memcpy(s + slen, a->a_string, len); + slen += len; + if (a->next != NULL) + s[slen++] = ','; + } + s[slen++] = ')'; + s[slen++] = '{'; + s[slen] = '\0'; + return arg; + } + + len = strlen(stmt) + 1; /* 1 for newline */ + s = alist->a_string; + slen = strlen(s); + ssize = alist->a_count; + if (len > ssize - slen) { + ssize = slen + len + EVALSIZE; + erealloc(s, char *, (ssize + 2) * sizeof(char), "append_statement"); + alist->a_string = s; + alist->a_count = ssize; + } + memcpy(s + slen, stmt, len); + slen += len; + if (slen >= 2 && s[slen - 2] != '\n') { + s[slen - 1] = '\n'; + s[slen] = '\0'; + } + + if (stmt == end_EVAL) + erealloc(alist->a_string, char *, slen + 2, "append_statement"); + return alist; + +#undef EVALSIZE +} + + +/* command names sorted in ascending order */ + +struct cmdtoken cmdtab[] = { +{ "backtrace", "bt", D_backtrace, D_BACKTRACE, do_backtrace, + gettext_noop("backtrace [N] - print trace of all or N innermost (outermost if N < 0) frames.") }, +{ "break", "b", D_break, D_BREAK, do_breakpoint, + gettext_noop("break [[filename:]N|function] - set breakpoint at the specified location.") }, +{ "clear", "", D_clear, D_CLEAR, do_clear, + gettext_noop("clear [[filename:]N|function] - delete breakpoints previously set.") }, +{ "commands", "", D_commands, D_COMMANDS, do_commands, + gettext_noop("commands [num] - starts a list of commands to be executed at a breakpoint(watchpoint) hit.") }, +{ "condition", "", D_condition, D_CONDITION, do_condition, + gettext_noop("condition num [expr] - set or clear breakpoint or watchpoint condition.") }, +{ "continue", "c", D_continue, D_CONTINUE, do_continue, + gettext_noop("continue [COUNT] - continue program being debugged.") }, +{ "delete", "d", D_delete, D_DELETE, do_delete_breakpoint, + gettext_noop("delete [breakpoints] [range] - delete specified breakpoints.") }, +{ "disable", "", D_disable, D_DISABLE, do_disable_breakpoint, + gettext_noop("disable [breakpoints] [range] - disable specified breakpoints.") }, +{ "display", "", D_display, D_DISPLAY, do_display, + gettext_noop("display [var] - print value of variable each time the program stops.") }, +{ "down", "", D_down, D_DOWN, do_down, + gettext_noop("down [N] - move N frames down the stack.") }, +{ "dump", "", D_dump, D_DUMP, do_dump_instructions, + gettext_noop("dump [filename] - dump instructions to file or stdout.") }, +{ "enable", "e", D_enable, D_ENABLE, do_enable_breakpoint, + gettext_noop("enable [once|del] [breakpoints] [range] - enable specified breakpoints.") }, +{ "end", "", D_end, D_END, do_commands, + gettext_noop("end - end a list of commands or awk statements.") }, +{ "eval", "", D_eval, D_EVAL, do_eval, + gettext_noop("eval stmt|[p1, p2, ...] - evaluate awk statement(s).") }, +{ "finish", "", D_finish, D_FINISH, do_finish, + gettext_noop("finish - execute until selected stack frame returns.") }, +{ "frame", "f", D_frame, D_FRAME, do_frame, + gettext_noop("frame [N] - select and print stack frame number N.") }, +{ "help", "h", D_help, D_HELP, do_help, + gettext_noop("help [command] - print list of commands or explanation of command.") }, +{ "ignore", "", D_ignore, D_IGNORE, do_ignore_breakpoint, + gettext_noop("ignore N COUNT - set ignore-count of breakpoint number N to COUNT.") }, +{ "info", "i", D_info, D_INFO, do_info, + gettext_noop("info topic - source|sources|variables|functions|break|frame|args|locals|display|watch.") }, +{ "list", "l", D_list, D_LIST, do_list, + gettext_noop("list [-|+|[filename:]lineno|function|range] - list specified line(s).") }, +{ "next", "n", D_next, D_NEXT, do_next, + gettext_noop("next [COUNT] - step program, proceeding through subroutine calls.") }, +{ "nexti", "ni", D_nexti, D_NEXTI, do_nexti, + gettext_noop("nexti [COUNT] - step one instruction, but proceed through subroutine calls.") }, +{ "option", "o", D_option, D_OPTION, do_option, + gettext_noop("option [name[=value]] - set or display debugger option(s).") }, +{ "print", "p", D_print, D_PRINT, do_print_var, + gettext_noop("print var [var] - print value of a variable or array.") }, +{ "printf", "", D_printf, D_PRINTF, do_print_f, + gettext_noop("printf format, [arg], ... - formatted output.") }, +{ "quit", "q", D_quit, D_QUIT, do_quit, + gettext_noop("quit - exit debugger.") }, +{ "return", "", D_return, D_RETURN, do_return, + gettext_noop("return [value] - make selected stack frame return to its caller.") }, +{ "run", "r", D_run, D_RUN, do_run, + gettext_noop("run - start or restart executing program.") }, +#ifdef HAVE_LIBREADLINE +{ "save", "", D_save, D_SAVE, do_save, + gettext_noop("save filename - save commands from the session to file.") }, +#endif +{ "set", "", D_set, D_SET, do_set_var, + gettext_noop("set var = value - assign value to a scalar variable.") }, +{ "silent", "", D_silent, D_SILENT, do_commands, + gettext_noop("silent - suspends usual message when stopped at a breakpoint/watchpoint.") }, +{ "source", "", D_source, D_SOURCE, do_source, + gettext_noop("source file - execute commands from file.") }, +{ "step", "s", D_step, D_STEP, do_step, + gettext_noop("step [COUNT] - step program until it reaches a different source line.") }, +{ "stepi", "si", D_stepi, D_STEPI, do_stepi, + gettext_noop("stepi [COUNT] - step one instruction exactly.") }, +{ "tbreak", "t", D_tbreak, D_TBREAK, do_tmp_breakpoint, + gettext_noop("tbreak [[filename:]N|function] - set a temporary breakpoint.") }, +{ "trace", "", D_trace, D_TRACE, do_trace_instruction, + gettext_noop("trace on|off - print instruction before executing.") }, +{ "undisplay", "", D_undisplay, D_UNDISPLAY, do_undisplay, + gettext_noop("undisplay [N] - remove variable(s) from automatic display list.") }, +{ "until", "u", D_until, D_UNTIL, do_until, + gettext_noop("until [[filename:]N|function] - execute until program reaches a different line or line N within current frame.") }, +{ "unwatch", "", D_unwatch, D_UNWATCH, do_unwatch, + gettext_noop("unwatch [N] - remove variable(s) from watch list.") }, +{ "up", "", D_up, D_UP, do_up, + gettext_noop("up [N] - move N frames up the stack.") }, +{ "watch", "w", D_watch, D_WATCH, do_watch, + gettext_noop("watch var - set a watchpoint for a variable.") }, +{ NULL, NULL, D_illegal, 0, (Func_cmd) 0, + NULL }, +}; + +struct argtoken argtab[] = { + { "args", D_info, A_ARGS }, + { "break", D_info, A_BREAK }, + { "del", D_enable, A_DEL }, + { "display", D_info, A_DISPLAY }, + { "frame", D_info, A_FRAME }, + { "functions", D_info, A_FUNCTIONS }, + { "locals", D_info, A_LOCALS }, + { "off", D_trace, A_TRACE_OFF }, + { "on", D_trace, A_TRACE_ON }, + { "once", D_enable, A_ONCE }, + { "source", D_info, A_SOURCE }, + { "sources", D_info, A_SOURCES }, + { "variables", D_info, A_VARIABLES }, + { "watch", D_info, A_WATCH }, + { NULL, D_illegal, 0 }, +}; + + +/* get_command --- return command handler function */ + +Func_cmd +get_command(int ctype) +{ + int i; + for (i = 0; cmdtab[i].name != NULL; i++) { + if (cmdtab[i].type == ctype) + return cmdtab[i].cf_ptr; + } + return (Func_cmd) 0; +} + +/* get_command_name --- return command name given it's type */ + +const char * +get_command_name(int ctype) +{ + int i; + for (i = 0; cmdtab[i].name != NULL; i++) { + if (cmdtab[i].type == ctype) + return cmdtab[i].name; + } + return NULL; +} + +/* mk_cmdarg --- make an argument for command */ + +static CMDARG * +mk_cmdarg(enum argtype type) +{ + CMDARG *arg; + emalloc(arg, CMDARG *, sizeof(CMDARG), "mk_cmdarg"); + memset(arg, 0, sizeof(CMDARG)); + arg->type = type; + return arg; +} + +/* append_cmdarg --- append ARG to the list of arguments for the current command */ + +static void +append_cmdarg(CMDARG *arg) +{ + static CMDARG *savetail; + + if (arg_list == NULL) + arg_list = arg; + else + savetail->next = arg; + savetail = arg; +} + +/* free_cmdarg --- free all arguments in LIST */ + +void +free_cmdarg(CMDARG *list) +{ + CMDARG *arg, *nexta; + + for (arg = list; arg != NULL; arg = nexta) { + nexta = arg->next; + + switch (arg->type) { + case D_variable: + case D_subscript: + case D_array: + case D_string: + if (arg->a_string != NULL) + efree(arg->a_string); + break; + case D_node: + case D_field: + unref(arg->a_node); + break; + default: + break; + } + efree(arg); + } +} + +/* yyerror --- print a syntax error message */ + +static void +yyerror(const char *mesg, ...) +{ + va_list args; + va_start(args, mesg); + fprintf(out_fp, _("error: ")); + vfprintf(out_fp, mesg, args); + fprintf(out_fp, "\n"); + va_end(args); + errcount++; + repeat_idx = -1; +} + + +/* yylex --- read a command and turn it into tokens */ + +static int +yylex(void) +{ + static char *lexptr = NULL; + static char *lexend; + int c; + char *tokstart; + size_t toklen; + + yylval = (CMDARG *) NULL; + + if (errcount > 0 && lexptr_begin == NULL) { + /* fake a new line */ + errcount = 0; + return '\n'; + } + + if (lexptr_begin == NULL) { +again: + lexptr_begin = read_a_line(dPrompt); + if (lexptr_begin == NULL) { /* EOF or error */ + if (get_eof_status() == EXIT_FATAL) + exit(EXIT_FATAL); + if (get_eof_status() == EXIT_FAILURE) { + static int seen_eof = 0; + + /* force a quit, and let do_quit (in debug.c) exit */ + if (! seen_eof) { + if (errno != 0) { + fprintf(stderr, _("can't read command (%s)"), strerror(errno)); + exit_val = EXIT_FAILURE; + } /* else + exit_val = EXIT_SUCCESS; */ + + seen_eof = 1; + return '\n'; /* end current command if any */ + } else if (seen_eof++ == 1) { + cmd_idx = find_command("quit", 4); + return D_QUIT; /* 'quit' token */ + } else + return '\n'; /* end command 'quit' */ + } + if (errno != 0) + d_error(_("can't read command (%s)"), strerror(errno)); + if (pop_cmd_src() == 0) + goto again; + exit(EXIT_FATAL); /* shouldn't happen */ + } + + if (! in_commands && ! in_eval /* history expansion off in 'commands' and 'eval' */ + && input_from_tty + ) + history_expand_line(&lexptr_begin); + + lexptr = lexptr_begin; + lexend = lexptr + strlen(lexptr); + if (*lexptr == '\0' /* blank line */ + && repeat_idx >= 0 + && input_from_tty + && ! in_eval + ) { +#ifdef HAVE_LIBREADLINE + HIST_ENTRY *h; + h = previous_history(); + if (h != NULL) + add_history(h->line); +#endif + cmd_idx = repeat_idx; + return cmdtab[cmd_idx].class; /* repeat last command */ + } + repeat_idx = -1; + } + + c = *lexptr; + + while (c == ' ' || c == '\t') + c = *++lexptr; + + if (! input_from_tty && c == '#') + return '\n'; + + tokstart = lexptr; + if (lexptr >= lexend) + return '\n'; + + if (cmd_idx < 0) { /* need a command */ + if (c == '?' && tokstart[1] == '\0' && ! in_eval) { + lexptr++; + cmd_idx = find_command("help", 4); + return D_HELP; + } + + while (c != '\0' && c != ' ' && c != '\t') { + if (! isalpha(c) && ! in_eval) { + yyerror(_("invalid character in command")); + return '\n'; + } + c = *++lexptr; + } + + toklen = lexptr - tokstart; + + if (in_eval) { + if (toklen == 3 + && tokstart[3] == '\0' + && tokstart[0] == 'e' + && tokstart[1] == 'n' + && tokstart[2] == 'd' + ) { + cmd_idx = find_command(tokstart, toklen); + return D_END; + } + lexptr = lexend; + return D_STATEMENT; + } + + cmd_idx = find_command(tokstart, toklen); + if (cmd_idx >= 0) { + if (in_commands && cmdtab[cmd_idx].type != D_eval) { + /* add the actual command string (lexptr_begin) to + * arg_list; command string for 'eval' prepended to the arg_list + * in the grammer above (see eval_cmd non-terminal). + */ + CMDARG *arg; + arg = mk_cmdarg(D_string); + arg->a_string = estrdup(lexptr_begin, lexend - lexptr_begin); + append_cmdarg(arg); + } + return cmdtab[cmd_idx].class; + } else { + yyerror(_("unknown command - \"%.*s\", try help"), toklen, tokstart); + return '\n'; + } + } + + c = *lexptr; + + if (cmdtab[cmd_idx].type == D_option) { + if (c == '=') + return *lexptr++; + } else if (c == '-' || c == '+' || c == ':' || c == '|') + return *lexptr++; + + if (c == '"') { + char *str, *p; + int flags = ALREADY_MALLOCED; + int esc_seen = FALSE; + + toklen = lexend - lexptr; + emalloc(str, char *, toklen + 2, "yylex"); + p = str; + + while ((c = *++lexptr) != '"') { + if (lexptr == lexend) { +err: + efree(str); + yyerror(_("unterminated string")); + return '\n'; + } + if (c == '\\') { + c = *++lexptr; + esc_seen = TRUE; + if (want_nodeval || c != '"') + *p++ = '\\'; + } + if (lexptr == lexend) + goto err; + *p++ = c; + } + lexptr++; + *p = '\0'; + + if (! want_nodeval) { + yylval = mk_cmdarg(D_string); + yylval->a_string = estrdup(str, p - str); + append_cmdarg(yylval); + return D_STRING; + } else { /* awk string */ + if (esc_seen) + flags |= SCAN; + yylval = mk_cmdarg(D_node); + yylval->a_node = make_str_node(str, p - str, flags); + append_cmdarg(yylval); + return D_NODE; + } + } + + if (! want_nodeval) { + while ((c = *++lexptr) != '\0' && c != ':' && c != '-' + && c != ' ' && c != '\t' && c != '=') + ; + + /* Is it an integer? */ + if (isdigit(tokstart[0]) && cmdtab[cmd_idx].type != D_option) { + char *end; + long l; + + errno = 0; + l = strtol(tokstart, &end, 0); + if (errno != 0) { + yyerror(_("%s"), strerror(errno)); + errno = 0; + return '\n'; + } + + if (lexptr == end) { + yylval = mk_cmdarg(D_int); + yylval->a_int = l; + append_cmdarg(yylval); + return D_INT; + } + } + + /* Must be string */ + yylval = mk_cmdarg(D_string); + yylval->a_string = estrdup(tokstart, lexptr - tokstart); + append_cmdarg(yylval); + return D_STRING; + } + + /* assert(want_nodval == TRUE); */ + + /* look for awk number */ + + if (isdigit(tokstart[0])) { + double d; + + errno = 0; + d = strtod(tokstart, &lexptr); + if (errno != 0) { + yyerror(strerror(errno)); + errno = 0; + return '\n'; + } + yylval = mk_cmdarg(D_node); + yylval->a_node = make_number(d); + append_cmdarg(yylval); + return D_NODE; + } + + c = *lexptr; + if (c == '$' || c == '@' + || c == '[' || c == ']' + || c == ',' || c == '=') + return *lexptr++; + + if (c != '_' && ! isalpha(c)) { + yyerror(_("invalid character")); + return '\n'; + } + + while (isalnum(c) || c == '_') + c = *++lexptr; + toklen = lexptr - tokstart; + + /* awk variable */ + yylval = mk_cmdarg(D_variable); + yylval->a_string = estrdup(tokstart, toklen); + append_cmdarg(yylval); + return D_VARIABLE; +} + +/* find_argument --- find index in 'argtab' for a command option */ + +static int +find_argument(CMDARG *arg) +{ + /* non-number argument */ + int idx; + char *name, *p; + size_t len; + assert(cmd_idx >= 0); + name = arg->a_string; + len = strlen(name); + for (idx = 0; (p = (char *) argtab[idx].name) != NULL; idx++) { + if (cmdtab[cmd_idx].type == argtab[idx].cmd + && *p == *name + && strlen(p) == len + && strncmp(p, name, len) == 0 + ) + return idx; + } + return -1; /* invalid option */ +} + +/* concat_args --- concatenate argument strings into a single string NODE */ + +static NODE * +concat_args(CMDARG *arg, int count) +{ + NODE *n; + NODE **tmp; + char *str, *subsep, *p; + long len, subseplen; + int i; + + if (count == 1) { + n = force_string(arg->a_node); + return dupnode(n); + } + + emalloc(tmp, NODE **, count * sizeof(NODE *), "concat_args"); + subseplen = SUBSEP_node->var_value->stlen; + subsep = SUBSEP_node->var_value->stptr; + len = -subseplen; + + for (i = 0; i < count; i++) { + n = force_string(arg->a_node); + len += n->stlen + subseplen; + tmp[i] = n; + arg = arg->next; + } + + emalloc(str, char *, len + 2, "concat_args"); + n = tmp[0]; + memcpy(str, n->stptr, n->stlen); + p = str + n->stlen; + for (i = 1; i < count; i++) { + if (subseplen == 1) + *p++ = *subsep; + else if (subseplen > 0) { + memcpy(p, subsep, subseplen); + p += subseplen; + } + + n = tmp[i]; + memcpy(p, n->stptr, n->stlen); + p += n->stlen; + } + str[len] = '\0'; + efree(tmp); + return make_str_node(str, len, ALREADY_MALLOCED); +} + +/* find_command --- find the index in 'cmdtab' using exact, + * abbreviation or unique partial match + */ + +static int +find_command(const char *token, size_t toklen) +{ + char *name, *abrv; + int i, k; + int try_exact = TRUE; + int abrv_match = -1; + int partial_match = -1; + +#if 'a' == 0x81 /* it's EBCDIC */ + /* make sure all lower case characters in token (sorting + * isn't the solution in this case) + */ + for (i = 0; i < toklen; i++) { + if (token[i] != tolower(token[i])) + return -1; + } +#endif + + k = sizeof(cmdtab)/sizeof(cmdtab[0]) - 1; + for (i = 0; i < k; i++) { + name = (char *) cmdtab[i].name; + if (try_exact && *token == *name + && toklen == strlen(name) + && strncmp(name, token, toklen) == 0 + ) + return i; + if (*name > *token) + try_exact = FALSE; + if (abrv_match < 0) { + abrv = cmdtab[i].abbrvn; + if (abrv[0] == token[0]) { + if (toklen == 1 && ! abrv[1]) + abrv_match = i; + else if (toklen == 2 && abrv[1] == token[1]) + abrv_match = i; + } + } + if (! try_exact && abrv_match >= 0) + return abrv_match; + if (partial_match < 0) { + if (*token == *name + && toklen < strlen(name) + && strncmp(name, token, toklen) == 0 + ) { + if ((i == k - 1 || strncmp(cmdtab[i + 1].name, token, toklen) != 0) + && (i == 0 || strncmp(cmdtab[i - 1].name, token, toklen) != 0) + ) + partial_match = i; + } + } + } + return partial_match; +} + +/* do_help -- help command */ + +int +do_help(CMDARG *arg, int cmd) +{ + int i; + if (arg == NULL) { + initialize_pager(out_fp); + if (setjmp(pager_quit_tag) == 0) { + for (i = 0; cmdtab[i].name != NULL; i++) { + gprintf(out_fp, "%s:\n", cmdtab[i].name); + gprintf(out_fp, "\t%s\n", _(cmdtab[i].help_txt)); + } + } + } else if (arg->type == D_string) { + char *name; + name = arg->a_string; + i = find_command(name, strlen(name)); + if (i >= 0) { + fprintf(out_fp, "%s\n", cmdtab[i].help_txt); + if (STREQ(cmdtab[i].name, "option")) + option_help(); + } else + fprintf(out_fp, _("undefined command: %s\n"), name); + } + + return FALSE; +} + + +/* next_word --- find the next word in a line to complete + * (word seperation characters are space and tab). + */ + +static char * +next_word(char *p, int len, char **endp) +{ + char *q; + int i; + + if (p == NULL || len <= 0) + return NULL; + for (i = 0; i < len; i++, p++) + if (*p != ' ' && *p != '\t') + break; + if (i == len) + return NULL; + if (endp != NULL) { + for (i++, q = p + 1; i < len; i++, q++) + if (*q == ' ' || *q == '\t') + break; + *endp = q; + } + return p; +} + +#ifdef HAVE_LIBREADLINE + +/* command_completion --- attempt to complete based on the word number in line; + * try to complete on command names if this is the first word; for the next + * word(s), the type of completion depends on the command name (first word). + */ + +#ifndef RL_READLINE_VERSION /* < 4.2a */ +#define rl_completion_matches(x, y) completion_matches((char *) (x), (y)) +#endif + + +char ** +command_completion(const char *text, int start, int end) +{ + char *cmdtok, *e; + int idx; + int len; + + rl_attempted_completion_over = TRUE; /* no default filename completion please */ + + this_cmd = D_illegal; + len = start; + if ((cmdtok = next_word(rl_line_buffer, len, &e)) == NULL) /* no first word yet */ + return rl_completion_matches(text, command_generator); + len -= (e - rl_line_buffer); + + idx = find_command(cmdtok, e - cmdtok); + if (idx < 0) + return NULL; + this_cmd = cmdtab[idx].type; + + if (! next_word(e, len, NULL)) { + switch (this_cmd) { + case D_break: + case D_list: + case D_until: + case D_tbreak: + case D_clear: + return rl_completion_matches(text, srcfile_generator); + case D_info: + case D_enable: + case D_trace: + case D_help: + return rl_completion_matches(text, argument_generator); + case D_option: + return rl_completion_matches(text, option_generator); + case D_print: + case D_printf: + case D_set: + case D_display: + case D_watch: + return rl_completion_matches(text, variable_generator); + default: + return NULL; + } + } + if (this_cmd == D_print || this_cmd == D_printf) + return rl_completion_matches(text, variable_generator); + return NULL; +} + +/* command_generator --- generator function for command completion */ + +static char * +command_generator(const char *text, int state) +{ + static size_t textlen; + static int idx = 0; + char *name; + + if (! state) { /* first time */ + textlen = strlen(text); + idx = 0; + } + while ((name = (char *) cmdtab[idx].name) != NULL) { + idx++; + if (strncmp(name, text, textlen) == 0) + return estrdup(name, strlen(name)); + } + return NULL; +} + +/* srcfile_generator --- generator function for source file completion */ + +static char * +srcfile_generator(const char *text, int state) +{ + static size_t textlen; + static SRCFILE *s; + char *name; + extern SRCFILE *srcfiles; + + if (! state) { /* first time */ + textlen = strlen(text); + s = srcfiles->next; + } + while (s != srcfiles) { + if (s->stype != SRC_FILE && s->stype != SRC_INC) { + s = s->next; + continue; + } + name = s->src; + s = s->next; + if (strncmp(name, text, textlen) == 0) + return estrdup(name, strlen(name)); + } + return NULL; +} + +/* argument_generator --- generator function for non-number argument completion */ + +static char * +argument_generator(const char *text, int state) +{ + static size_t textlen; + static int idx; + char *name; + + if (! state) { /* first time */ + textlen = strlen(text); + idx = 0; + } + + if (this_cmd == D_help) { + while ((name = (char *) cmdtab[idx++].name) != NULL) { + if (strncmp(name, text, textlen) == 0) + return estrdup(name, strlen(name)); + } + } else { + while ((name = (char *) argtab[idx].name) != NULL) { + if (this_cmd != argtab[idx++].cmd) + continue; + if (strncmp(name, text, textlen) == 0) + return estrdup(name, strlen(name)); + } + } + return NULL; +} + +/* variable_generator --- generator function for variable name completion */ + +static char * +variable_generator(const char *text, int state) +{ + static size_t textlen; + static int idx = 0; + static char **pnames = NULL; + static NODE **var_table = NULL; + char *name; + NODE *hp; + + if (! state) { /* first time */ + textlen = strlen(text); + if (var_table != NULL) + efree(var_table); + var_table = get_varlist(); + idx = 0; + pnames = get_parmlist(); /* names of function params in + * current context; the array + * is NULL terminated in + * awkgram.y (func_install). + */ + } + + /* function params */ + while (pnames != NULL) { + name = pnames[idx]; + if (name == NULL) { + pnames = NULL; /* don't try to match params again */ + idx = 0; + break; + } + idx++; + if (strncmp(name, text, textlen) == 0) + return estrdup(name, strlen(name)); + } + + /* globals */ + while ((hp = var_table[idx]) != NULL) { + idx++; + if (hp->hvalue->type == Node_func) + continue; + if (strncmp(hp->hname, text, textlen) == 0) + return estrdup(hp->hname, hp->hlength); + } + return NULL; +} + +/* history_expand_line --- history expand the LINE */ + +static void +history_expand_line(char **line) +{ + int ret; + char *expansion; + + if (! *line || input_fd != 0 || ! input_from_tty) + return; + using_history(); + ret = history_expand(*line, &expansion); + if (ret < 0 || ret == 2) + efree(expansion); + else { + efree(*line); + *line = expansion; + } +} + +#endif + + |