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Diffstat (limited to 'binutils/nlmheader.c')
| -rw-r--r-- | binutils/nlmheader.c | 2698 |
1 files changed, 2698 insertions, 0 deletions
diff --git a/binutils/nlmheader.c b/binutils/nlmheader.c new file mode 100644 index 00000000000..34956d719b7 --- /dev/null +++ b/binutils/nlmheader.c @@ -0,0 +1,2698 @@ +/* A Bison parser, made by GNU Bison 2.3. */ + +/* 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 2, 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, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + +/* 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 "2.3" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + CHECK = 258, + CODESTART = 259, + COPYRIGHT = 260, + CUSTOM = 261, + DATE = 262, + DEBUG = 263, + DESCRIPTION = 264, + EXIT = 265, + EXPORT = 266, + FLAG_ON = 267, + FLAG_OFF = 268, + FULLMAP = 269, + HELP = 270, + IMPORT = 271, + INPUT = 272, + MAP = 273, + MESSAGES = 274, + MODULE = 275, + MULTIPLE = 276, + OS_DOMAIN = 277, + OUTPUT = 278, + PSEUDOPREEMPTION = 279, + REENTRANT = 280, + SCREENNAME = 281, + SHARELIB = 282, + STACK = 283, + START = 284, + SYNCHRONIZE = 285, + THREADNAME = 286, + TYPE = 287, + VERBOSE = 288, + VERSIONK = 289, + XDCDATA = 290, + STRING = 291, + QUOTED_STRING = 292 + }; +#endif +/* Tokens. */ +#define CHECK 258 +#define CODESTART 259 +#define COPYRIGHT 260 +#define CUSTOM 261 +#define DATE 262 +#define DEBUG 263 +#define DESCRIPTION 264 +#define EXIT 265 +#define EXPORT 266 +#define FLAG_ON 267 +#define FLAG_OFF 268 +#define FULLMAP 269 +#define HELP 270 +#define IMPORT 271 +#define INPUT 272 +#define MAP 273 +#define MESSAGES 274 +#define MODULE 275 +#define MULTIPLE 276 +#define OS_DOMAIN 277 +#define OUTPUT 278 +#define PSEUDOPREEMPTION 279 +#define REENTRANT 280 +#define SCREENNAME 281 +#define SHARELIB 282 +#define STACK 283 +#define START 284 +#define SYNCHRONIZE 285 +#define THREADNAME 286 +#define TYPE 287 +#define VERBOSE 288 +#define VERSIONK 289 +#define XDCDATA 290 +#define STRING 291 +#define QUOTED_STRING 292 + + + + +/* Copy the first part of user declarations. */ +#line 1 "nlmheader.y" +/* nlmheader.y - parse NLM header specification keywords. + Copyright 1993, 1994, 1995, 1997, 1998, 2001, 2002, 2003, 2005, 2007 + Free Software Foundation, Inc. + + This file is part of GNU Binutils. + + 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, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* Written by Ian Lance Taylor <ian@cygnus.com>. + + This bison file parses the commands recognized by the NetWare NLM + linker, except for lists of object files. It stores the + information in global variables. + + This implementation is based on the description in the NetWare Tool + Maker Specification manual, edition 1.0. */ + +#include "sysdep.h" +#include "safe-ctype.h" +#include "bfd.h" +#include "nlm/common.h" +#include "nlm/internal.h" +#include "bucomm.h" +#include "nlmconv.h" + +/* Information is stored in the structures pointed to by these + variables. */ + +Nlm_Internal_Fixed_Header *fixed_hdr; +Nlm_Internal_Variable_Header *var_hdr; +Nlm_Internal_Version_Header *version_hdr; +Nlm_Internal_Copyright_Header *copyright_hdr; +Nlm_Internal_Extended_Header *extended_hdr; + +/* Procedure named by CHECK. */ +char *check_procedure; +/* File named by CUSTOM. */ +char *custom_file; +/* Whether to generate debugging information (DEBUG). */ +bfd_boolean debug_info; +/* Procedure named by EXIT. */ +char *exit_procedure; +/* Exported symbols (EXPORT). */ +struct string_list *export_symbols; +/* List of files from INPUT. */ +struct string_list *input_files; +/* Map file name (MAP, FULLMAP). */ +char *map_file; +/* Whether a full map has been requested (FULLMAP). */ +bfd_boolean full_map; +/* File named by HELP. */ +char *help_file; +/* Imported symbols (IMPORT). */ +struct string_list *import_symbols; +/* File named by MESSAGES. */ +char *message_file; +/* Autoload module list (MODULE). */ +struct string_list *modules; +/* File named by OUTPUT. */ +char *output_file; +/* File named by SHARELIB. */ +char *sharelib_file; +/* Start procedure name (START). */ +char *start_procedure; +/* VERBOSE. */ +bfd_boolean verbose; +/* RPC description file (XDCDATA). */ +char *rpc_file; + +/* The number of serious errors that have occurred. */ +int parse_errors; + +/* The current symbol prefix when reading a list of import or export + symbols. */ +static char *symbol_prefix; + +/* Parser error message handler. */ +#define yyerror(msg) nlmheader_error (msg); + +/* Local functions. */ +static int yylex (void); +static void nlmlex_file_push (const char *); +static bfd_boolean nlmlex_file_open (const char *); +static int nlmlex_buf_init (void); +static char nlmlex_buf_add (int); +static long nlmlex_get_number (const char *); +static void nlmheader_identify (void); +static void nlmheader_warn (const char *, int); +static void nlmheader_error (const char *); +static struct string_list * string_list_cons (char *, struct string_list *); +static struct string_list * string_list_append (struct string_list *, + struct string_list *); +static struct string_list * string_list_append1 (struct string_list *, + char *); +static char *xstrdup (const char *); + + + +/* 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 + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +#line 113 "nlmheader.y" +{ + char *string; + struct string_list *list; +} +/* Line 193 of yacc.c. */ +#line 286 "nlmheader.c" + YYSTYPE; +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +# define YYSTYPE_IS_TRIVIAL 1 +#endif + + + +/* Copy the second part of user declarations. */ + + +/* Line 216 of yacc.c. */ +#line 299 "nlmheader.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int i) +#else +static int +YYID (i) + int i; +#endif +{ + return i; +} +#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; + YYSTYPE yyvs; + }; + +/* 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) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack, Stack, yysize); \ + Stack = &yyptr->Stack; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 64 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 73 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 40 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 11 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 52 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 82 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 292 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 38, 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, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 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 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint8 yyprhs[] = +{ + 0, 0, 3, 5, 6, 9, 12, 15, 18, 21, + 26, 28, 31, 34, 35, 39, 42, 45, 47, 50, + 53, 54, 58, 61, 63, 66, 69, 72, 74, 76, + 79, 81, 83, 86, 89, 92, 95, 97, 100, 103, + 105, 110, 114, 117, 118, 120, 122, 124, 127, 130, + 134, 136, 137 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 41, 0, -1, 42, -1, -1, 43, 42, -1, 3, + 36, -1, 4, 36, -1, 5, 37, -1, 6, 36, + -1, 7, 36, 36, 36, -1, 8, -1, 9, 37, + -1, 10, 36, -1, -1, 11, 44, 46, -1, 12, + 36, -1, 13, 36, -1, 14, -1, 14, 36, -1, + 15, 36, -1, -1, 16, 45, 46, -1, 17, 50, + -1, 18, -1, 18, 36, -1, 19, 36, -1, 20, + 50, -1, 21, -1, 22, -1, 23, 36, -1, 24, + -1, 25, -1, 26, 37, -1, 27, 36, -1, 28, + 36, -1, 29, 36, -1, 30, -1, 31, 37, -1, + 32, 36, -1, 33, -1, 34, 36, 36, 36, -1, + 34, 36, 36, -1, 35, 36, -1, -1, 47, -1, + 49, -1, 48, -1, 47, 49, -1, 47, 48, -1, + 38, 36, 39, -1, 36, -1, -1, 36, 50, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 144, 144, 149, 151, 157, 161, 166, 183, 187, + 205, 209, 225, 230, 229, 237, 242, 247, 252, 257, + 262, 261, 269, 273, 277, 281, 285, 289, 293, 297, + 304, 308, 312, 328, 332, 337, 341, 345, 361, 366, + 370, 394, 410, 420, 423, 434, 438, 442, 446, 455, + 466, 483, 486 +}; +#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", "CHECK", "CODESTART", "COPYRIGHT", + "CUSTOM", "DATE", "DEBUG", "DESCRIPTION", "EXIT", "EXPORT", "FLAG_ON", + "FLAG_OFF", "FULLMAP", "HELP", "IMPORT", "INPUT", "MAP", "MESSAGES", + "MODULE", "MULTIPLE", "OS_DOMAIN", "OUTPUT", "PSEUDOPREEMPTION", + "REENTRANT", "SCREENNAME", "SHARELIB", "STACK", "START", "SYNCHRONIZE", + "THREADNAME", "TYPE", "VERBOSE", "VERSIONK", "XDCDATA", "STRING", + "QUOTED_STRING", "'('", "')'", "$accept", "file", "commands", "command", + "@1", "@2", "symbol_list_opt", "symbol_list", "symbol_prefix", "symbol", + "string_list", 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, 40, 41 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 40, 41, 42, 42, 43, 43, 43, 43, 43, + 43, 43, 43, 44, 43, 43, 43, 43, 43, 43, + 45, 43, 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 46, 46, 47, 47, 47, 47, 48, + 49, 50, 50 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 1, 0, 2, 2, 2, 2, 2, 4, + 1, 2, 2, 0, 3, 2, 2, 1, 2, 2, + 0, 3, 2, 1, 2, 2, 2, 1, 1, 2, + 1, 1, 2, 2, 2, 2, 1, 2, 2, 1, + 4, 3, 2, 0, 1, 1, 1, 2, 2, 3, + 1, 0, 2 +}; + +/* 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[] = +{ + 3, 0, 0, 0, 0, 0, 10, 0, 0, 13, + 0, 0, 17, 0, 20, 51, 23, 0, 51, 27, + 28, 0, 30, 31, 0, 0, 0, 0, 36, 0, + 0, 39, 0, 0, 0, 2, 3, 5, 6, 7, + 8, 0, 11, 12, 43, 15, 16, 18, 19, 43, + 51, 22, 24, 25, 26, 29, 32, 33, 34, 35, + 37, 38, 0, 42, 1, 4, 0, 50, 0, 14, + 44, 46, 45, 21, 52, 41, 9, 0, 48, 47, + 40, 49 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = +{ + -1, 34, 35, 36, 44, 49, 69, 70, 71, 72, + 51 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -20 +static const yytype_int8 yypact[] = +{ + -3, -1, 1, 2, 4, 5, -20, 6, 8, -20, + 9, 10, 11, 12, -20, 13, 14, 16, 13, -20, + -20, 17, -20, -20, 18, 20, 21, 22, -20, 23, + 25, -20, 26, 27, 38, -20, -3, -20, -20, -20, + -20, 28, -20, -20, -2, -20, -20, -20, -20, -2, + 13, -20, -20, -20, -20, -20, -20, -20, -20, -20, + -20, -20, 30, -20, -20, -20, 31, -20, 32, -20, + -2, -20, -20, -20, -20, 33, -20, 3, -20, -20, + -20, -20 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = +{ + -20, -20, 34, -20, -20, -20, 24, -20, -19, -16, + 15 +}; + +/* 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 -1 +static const yytype_uint8 yytable[] = +{ + 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, 54, 67, 37, 68, 38, 64, 39, + 40, 41, 81, 42, 43, 45, 46, 47, 48, 50, + 52, 78, 53, 55, 79, 56, 57, 58, 59, 0, + 60, 61, 62, 63, 66, 74, 75, 76, 77, 80, + 65, 0, 0, 73 +}; + +static const yytype_int8 yycheck[] = +{ + 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, 18, 36, 36, 38, 36, 0, 37, + 36, 36, 39, 37, 36, 36, 36, 36, 36, 36, + 36, 70, 36, 36, 70, 37, 36, 36, 36, -1, + 37, 36, 36, 36, 36, 50, 36, 36, 36, 36, + 36, -1, -1, 49 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 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, 41, 42, 43, 36, 36, 37, + 36, 36, 37, 36, 44, 36, 36, 36, 36, 45, + 36, 50, 36, 36, 50, 36, 37, 36, 36, 36, + 37, 36, 36, 36, 0, 42, 36, 36, 38, 46, + 47, 48, 49, 46, 50, 36, 36, 36, 48, 49, + 36, 39 +}; + +#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 defined YYLTYPE_IS_TRIVIAL && 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 *bottom, yytype_int16 *top) +#else +static void +yy_stack_print (bottom, top) + yytype_int16 *bottom; + yytype_int16 *top; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; bottom <= top; ++bottom) + YYFPRINTF (stderr, " %d", *bottom); + 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++) + { + fprintf (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + ); + fprintf (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 look-ahead symbol. */ +int yychar; + +/* The semantic value of the look-ahead symbol. */ +YYSTYPE yylval; + +/* Number of syntax errors so far. */ +int yynerrs; + + + +/*----------. +| yyparse. | +`----------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void) +#else +int +yyparse () + +#endif +#endif +{ + + int yystate; + int yyn; + int yyresult; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + /* Look-ahead token as an internal (translated) token number. */ + int yytoken = 0; +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + + /* Three stacks and their tools: + `yyss': related to states, + `yyvs': related to semantic values, + `yyls': related to locations. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss = yyssa; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs = yyvsa; + YYSTYPE *yyvsp; + + + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + YYSIZE_T yystacksize = YYINITDEPTH; + + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + + + /* 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")); + + 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); + YYSTACK_RELOCATE (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)); + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + look-ahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to look-ahead token. */ + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a look-ahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead 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; + } + + if (yyn == YYFINAL) + YYACCEPT; + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the look-ahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token unless it is eof. */ + if (yychar != YYEOF) + 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 5: +#line 158 "nlmheader.y" + { + check_procedure = (yyvsp[(2) - (2)].string); + } + break; + + case 6: +#line 162 "nlmheader.y" + { + nlmheader_warn (_("CODESTART is not implemented; sorry"), -1); + free ((yyvsp[(2) - (2)].string)); + } + break; + + case 7: +#line 167 "nlmheader.y" + { + int len; + + strncpy (copyright_hdr->stamp, "CoPyRiGhT=", 10); + len = strlen ((yyvsp[(2) - (2)].string)); + if (len >= NLM_MAX_COPYRIGHT_MESSAGE_LENGTH) + { + nlmheader_warn (_("copyright string is too long"), + NLM_MAX_COPYRIGHT_MESSAGE_LENGTH - 1); + len = NLM_MAX_COPYRIGHT_MESSAGE_LENGTH - 1; + } + copyright_hdr->copyrightMessageLength = len; + strncpy (copyright_hdr->copyrightMessage, (yyvsp[(2) - (2)].string), len); + copyright_hdr->copyrightMessage[len] = '\0'; + free ((yyvsp[(2) - (2)].string)); + } + break; + + case 8: +#line 184 "nlmheader.y" + { + custom_file = (yyvsp[(2) - (2)].string); + } + break; + + case 9: +#line 188 "nlmheader.y" + { + /* We don't set the version stamp here, because we use the + version stamp to detect whether the required VERSION + keyword was given. */ + version_hdr->month = nlmlex_get_number ((yyvsp[(2) - (4)].string)); + version_hdr->day = nlmlex_get_number ((yyvsp[(3) - (4)].string)); + version_hdr->year = nlmlex_get_number ((yyvsp[(4) - (4)].string)); + free ((yyvsp[(2) - (4)].string)); + free ((yyvsp[(3) - (4)].string)); + free ((yyvsp[(4) - (4)].string)); + if (version_hdr->month < 1 || version_hdr->month > 12) + nlmheader_warn (_("illegal month"), -1); + if (version_hdr->day < 1 || version_hdr->day > 31) + nlmheader_warn (_("illegal day"), -1); + if (version_hdr->year < 1900 || version_hdr->year > 3000) + nlmheader_warn (_("illegal year"), -1); + } + break; + + case 10: +#line 206 "nlmheader.y" + { + debug_info = TRUE; + } + break; + + case 11: +#line 210 "nlmheader.y" + { + int len; + + len = strlen ((yyvsp[(2) - (2)].string)); + if (len > NLM_MAX_DESCRIPTION_LENGTH) + { + nlmheader_warn (_("description string is too long"), + NLM_MAX_DESCRIPTION_LENGTH); + len = NLM_MAX_DESCRIPTION_LENGTH; + } + var_hdr->descriptionLength = len; + strncpy (var_hdr->descriptionText, (yyvsp[(2) - (2)].string), len); + var_hdr->descriptionText[len] = '\0'; + free ((yyvsp[(2) - (2)].string)); + } + break; + + case 12: +#line 226 "nlmheader.y" + { + exit_procedure = (yyvsp[(2) - (2)].string); + } + break; + + case 13: +#line 230 "nlmheader.y" + { + symbol_prefix = NULL; + } + break; + + case 14: +#line 234 "nlmheader.y" + { + export_symbols = string_list_append (export_symbols, (yyvsp[(3) - (3)].list)); + } + break; + + case 15: +#line 238 "nlmheader.y" + { + fixed_hdr->flags |= nlmlex_get_number ((yyvsp[(2) - (2)].string)); + free ((yyvsp[(2) - (2)].string)); + } + break; + + case 16: +#line 243 "nlmheader.y" + { + fixed_hdr->flags &=~ nlmlex_get_number ((yyvsp[(2) - (2)].string)); + free ((yyvsp[(2) - (2)].string)); + } + break; + + case 17: +#line 248 "nlmheader.y" + { + map_file = ""; + full_map = TRUE; + } + break; + + case 18: +#line 253 "nlmheader.y" + { + map_file = (yyvsp[(2) - (2)].string); + full_map = TRUE; + } + break; + + case 19: +#line 258 "nlmheader.y" + { + help_file = (yyvsp[(2) - (2)].string); + } + break; + + case 20: +#line 262 "nlmheader.y" + { + symbol_prefix = NULL; + } + break; + + case 21: +#line 266 "nlmheader.y" + { + import_symbols = string_list_append (import_symbols, (yyvsp[(3) - (3)].list)); + } + break; + + case 22: +#line 270 "nlmheader.y" + { + input_files = string_list_append (input_files, (yyvsp[(2) - (2)].list)); + } + break; + + case 23: +#line 274 "nlmheader.y" + { + map_file = ""; + } + break; + + case 24: +#line 278 "nlmheader.y" + { + map_file = (yyvsp[(2) - (2)].string); + } + break; + + case 25: +#line 282 "nlmheader.y" + { + message_file = (yyvsp[(2) - (2)].string); + } + break; + + case 26: +#line 286 "nlmheader.y" + { + modules = string_list_append (modules, (yyvsp[(2) - (2)].list)); + } + break; + + case 27: +#line 290 "nlmheader.y" + { + fixed_hdr->flags |= 0x2; + } + break; + + case 28: +#line 294 "nlmheader.y" + { + fixed_hdr->flags |= 0x10; + } + break; + + case 29: +#line 298 "nlmheader.y" + { + if (output_file == NULL) + output_file = (yyvsp[(2) - (2)].string); + else + nlmheader_warn (_("ignoring duplicate OUTPUT statement"), -1); + } + break; + + case 30: +#line 305 "nlmheader.y" + { + fixed_hdr->flags |= 0x8; + } + break; + + case 31: +#line 309 "nlmheader.y" + { + fixed_hdr->flags |= 0x1; + } + break; + + case 32: +#line 313 "nlmheader.y" + { + int len; + + len = strlen ((yyvsp[(2) - (2)].string)); + if (len >= NLM_MAX_SCREEN_NAME_LENGTH) + { + nlmheader_warn (_("screen name is too long"), + NLM_MAX_SCREEN_NAME_LENGTH); + len = NLM_MAX_SCREEN_NAME_LENGTH; + } + var_hdr->screenNameLength = len; + strncpy (var_hdr->screenName, (yyvsp[(2) - (2)].string), len); + var_hdr->screenName[NLM_MAX_SCREEN_NAME_LENGTH] = '\0'; + free ((yyvsp[(2) - (2)].string)); + } + break; + + case 33: +#line 329 "nlmheader.y" + { + sharelib_file = (yyvsp[(2) - (2)].string); + } + break; + + case 34: +#line 333 "nlmheader.y" + { + var_hdr->stackSize = nlmlex_get_number ((yyvsp[(2) - (2)].string)); + free ((yyvsp[(2) - (2)].string)); + } + break; + + case 35: +#line 338 "nlmheader.y" + { + start_procedure = (yyvsp[(2) - (2)].string); + } + break; + + case 36: +#line 342 "nlmheader.y" + { + fixed_hdr->flags |= 0x4; + } + break; + + case 37: +#line 346 "nlmheader.y" + { + int len; + + len = strlen ((yyvsp[(2) - (2)].string)); + if (len >= NLM_MAX_THREAD_NAME_LENGTH) + { + nlmheader_warn (_("thread name is too long"), + NLM_MAX_THREAD_NAME_LENGTH); + len = NLM_MAX_THREAD_NAME_LENGTH; + } + var_hdr->threadNameLength = len; + strncpy (var_hdr->threadName, (yyvsp[(2) - (2)].string), len); + var_hdr->threadName[len] = '\0'; + free ((yyvsp[(2) - (2)].string)); + } + break; + + case 38: +#line 362 "nlmheader.y" + { + fixed_hdr->moduleType = nlmlex_get_number ((yyvsp[(2) - (2)].string)); + free ((yyvsp[(2) - (2)].string)); + } + break; + + case 39: +#line 367 "nlmheader.y" + { + verbose = TRUE; + } + break; + + case 40: +#line 371 "nlmheader.y" + { + long val; + + strncpy (version_hdr->stamp, "VeRsIoN#", 8); + version_hdr->majorVersion = nlmlex_get_number ((yyvsp[(2) - (4)].string)); + val = nlmlex_get_number ((yyvsp[(3) - (4)].string)); + if (val < 0 || val > 99) + nlmheader_warn (_("illegal minor version number (must be between 0 and 99)"), + -1); + else + version_hdr->minorVersion = val; + val = nlmlex_get_number ((yyvsp[(4) - (4)].string)); + if (val < 0) + nlmheader_warn (_("illegal revision number (must be between 0 and 26)"), + -1); + else if (val > 26) + version_hdr->revision = 0; + else + version_hdr->revision = val; + free ((yyvsp[(2) - (4)].string)); + free ((yyvsp[(3) - (4)].string)); + free ((yyvsp[(4) - (4)].string)); + } + break; + + case 41: +#line 395 "nlmheader.y" + { + long val; + + strncpy (version_hdr->stamp, "VeRsIoN#", 8); + version_hdr->majorVersion = nlmlex_get_number ((yyvsp[(2) - (3)].string)); + val = nlmlex_get_number ((yyvsp[(3) - (3)].string)); + if (val < 0 || val > 99) + nlmheader_warn (_("illegal minor version number (must be between 0 and 99)"), + -1); + else + version_hdr->minorVersion = val; + version_hdr->revision = 0; + free ((yyvsp[(2) - (3)].string)); + free ((yyvsp[(3) - (3)].string)); + } + break; + + case 42: +#line 411 "nlmheader.y" + { + rpc_file = (yyvsp[(2) - (2)].string); + } + break; + + case 43: +#line 420 "nlmheader.y" + { + (yyval.list) = NULL; + } + break; + + case 44: +#line 424 "nlmheader.y" + { + (yyval.list) = (yyvsp[(1) - (1)].list); + } + break; + + case 45: +#line 435 "nlmheader.y" + { + (yyval.list) = string_list_cons ((yyvsp[(1) - (1)].string), NULL); + } + break; + + case 46: +#line 439 "nlmheader.y" + { + (yyval.list) = NULL; + } + break; + + case 47: +#line 443 "nlmheader.y" + { + (yyval.list) = string_list_append1 ((yyvsp[(1) - (2)].list), (yyvsp[(2) - (2)].string)); + } + break; + + case 48: +#line 447 "nlmheader.y" + { + (yyval.list) = (yyvsp[(1) - (2)].list); + } + break; + + case 49: +#line 456 "nlmheader.y" + { + if (symbol_prefix != NULL) + free (symbol_prefix); + symbol_prefix = (yyvsp[(2) - (3)].string); + } + break; + + case 50: +#line 467 "nlmheader.y" + { + if (symbol_prefix == NULL) + (yyval.string) = (yyvsp[(1) - (1)].string); + else + { + (yyval.string) = xmalloc (strlen (symbol_prefix) + strlen ((yyvsp[(1) - (1)].string)) + 2); + sprintf ((yyval.string), "%s@%s", symbol_prefix, (yyvsp[(1) - (1)].string)); + free ((yyvsp[(1) - (1)].string)); + } + } + break; + + case 51: +#line 483 "nlmheader.y" + { + (yyval.list) = NULL; + } + break; + + case 52: +#line 487 "nlmheader.y" + { + (yyval.list) = string_list_cons ((yyvsp[(1) - (2)].string), (yyvsp[(2) - (2)].list)); + } + break; + + +/* Line 1267 of yacc.c. */ +#line 2015 "nlmheader.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 look-ahead 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 look-ahead 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); + } + + if (yyn == YYFINAL) + YYACCEPT; + + *++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; + +#ifndef yyoverflow +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEOF && 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 492 "nlmheader.y" + + +/* If strerror is just a macro, we want to use the one from libiberty + since it will handle undefined values. */ +#undef strerror +extern char *strerror PARAMS ((int)); + +/* The lexer is simple, too simple for flex. Keywords are only + recognized at the start of lines. Everything else must be an + argument. A comma is treated as whitespace. */ + +/* The states the lexer can be in. */ + +enum lex_state +{ + /* At the beginning of a line. */ + BEGINNING_OF_LINE, + /* In the middle of a line. */ + IN_LINE +}; + +/* We need to keep a stack of files to handle file inclusion. */ + +struct input +{ + /* The file to read from. */ + FILE *file; + /* The name of the file. */ + char *name; + /* The current line number. */ + int lineno; + /* The current state. */ + enum lex_state state; + /* The next file on the stack. */ + struct input *next; +}; + +/* The current input file. */ + +static struct input current; + +/* The character which introduces comments. */ +#define COMMENT_CHAR '#' + +/* Start the lexer going on the main input file. */ + +bfd_boolean +nlmlex_file (const char *name) +{ + current.next = NULL; + return nlmlex_file_open (name); +} + +/* Start the lexer going on a subsidiary input file. */ + +static void +nlmlex_file_push (const char *name) +{ + struct input *push; + + push = (struct input *) xmalloc (sizeof (struct input)); + *push = current; + if (nlmlex_file_open (name)) + current.next = push; + else + { + current = *push; + free (push); + } +} + +/* Start lexing from a file. */ + +static bfd_boolean +nlmlex_file_open (const char *name) +{ + current.file = fopen (name, "r"); + if (current.file == NULL) + { + fprintf (stderr, "%s:%s: %s\n", program_name, name, strerror (errno)); + ++parse_errors; + return FALSE; + } + current.name = xstrdup (name); + current.lineno = 1; + current.state = BEGINNING_OF_LINE; + return TRUE; +} + +/* Table used to turn keywords into tokens. */ + +struct keyword_tokens_struct +{ + const char *keyword; + int token; +}; + +static struct keyword_tokens_struct keyword_tokens[] = +{ + { "CHECK", CHECK }, + { "CODESTART", CODESTART }, + { "COPYRIGHT", COPYRIGHT }, + { "CUSTOM", CUSTOM }, + { "DATE", DATE }, + { "DEBUG", DEBUG }, + { "DESCRIPTION", DESCRIPTION }, + { "EXIT", EXIT }, + { "EXPORT", EXPORT }, + { "FLAG_ON", FLAG_ON }, + { "FLAG_OFF", FLAG_OFF }, + { "FULLMAP", FULLMAP }, + { "HELP", HELP }, + { "IMPORT", IMPORT }, + { "INPUT", INPUT }, + { "MAP", MAP }, + { "MESSAGES", MESSAGES }, + { "MODULE", MODULE }, + { "MULTIPLE", MULTIPLE }, + { "OS_DOMAIN", OS_DOMAIN }, + { "OUTPUT", OUTPUT }, + { "PSEUDOPREEMPTION", PSEUDOPREEMPTION }, + { "REENTRANT", REENTRANT }, + { "SCREENNAME", SCREENNAME }, + { "SHARELIB", SHARELIB }, + { "STACK", STACK }, + { "STACKSIZE", STACK }, + { "START", START }, + { "SYNCHRONIZE", SYNCHRONIZE }, + { "THREADNAME", THREADNAME }, + { "TYPE", TYPE }, + { "VERBOSE", VERBOSE }, + { "VERSION", VERSIONK }, + { "XDCDATA", XDCDATA } +}; + +#define KEYWORD_COUNT (sizeof (keyword_tokens) / sizeof (keyword_tokens[0])) + +/* The lexer accumulates strings in these variables. */ +static char *lex_buf; +static int lex_size; +static int lex_pos; + +/* Start accumulating strings into the buffer. */ +#define BUF_INIT() \ + ((void) (lex_buf != NULL ? lex_pos = 0 : nlmlex_buf_init ())) + +static int +nlmlex_buf_init (void) +{ + lex_size = 10; + lex_buf = xmalloc (lex_size + 1); + lex_pos = 0; + return 0; +} + +/* Finish a string in the buffer. */ +#define BUF_FINISH() ((void) (lex_buf[lex_pos] = '\0')) + +/* Accumulate a character into the buffer. */ +#define BUF_ADD(c) \ + ((void) (lex_pos < lex_size \ + ? lex_buf[lex_pos++] = (c) \ + : nlmlex_buf_add (c))) + +static char +nlmlex_buf_add (int c) +{ + if (lex_pos >= lex_size) + { + lex_size *= 2; + lex_buf = xrealloc (lex_buf, lex_size + 1); + } + + return lex_buf[lex_pos++] = c; +} + +/* The lexer proper. This is called by the bison generated parsing + code. */ + +static int +yylex (void) +{ + int c; + +tail_recurse: + + c = getc (current.file); + + /* Commas are treated as whitespace characters. */ + while (ISSPACE (c) || c == ',') + { + current.state = IN_LINE; + if (c == '\n') + { + ++current.lineno; + current.state = BEGINNING_OF_LINE; + } + c = getc (current.file); + } + + /* At the end of the file we either pop to the previous file or + finish up. */ + if (c == EOF) + { + fclose (current.file); + free (current.name); + if (current.next == NULL) + return 0; + else + { + struct input *next; + + next = current.next; + current = *next; + free (next); + goto tail_recurse; + } + } + + /* A comment character always means to drop everything until the + next newline. */ + if (c == COMMENT_CHAR) + { + do + { + c = getc (current.file); + } + while (c != '\n'); + ++current.lineno; + current.state = BEGINNING_OF_LINE; + goto tail_recurse; + } + + /* An '@' introduces an include file. */ + if (c == '@') + { + do + { + c = getc (current.file); + if (c == '\n') + ++current.lineno; + } + while (ISSPACE (c)); + BUF_INIT (); + while (! ISSPACE (c) && c != EOF) + { + BUF_ADD (c); + c = getc (current.file); + } + BUF_FINISH (); + + ungetc (c, current.file); + + nlmlex_file_push (lex_buf); + goto tail_recurse; + } + + /* A non-space character at the start of a line must be the start of + a keyword. */ + if (current.state == BEGINNING_OF_LINE) + { + BUF_INIT (); + while (ISALNUM (c) || c == '_') + { + BUF_ADD (TOUPPER (c)); + c = getc (current.file); + } + BUF_FINISH (); + + if (c != EOF && ! ISSPACE (c) && c != ',') + { + nlmheader_identify (); + fprintf (stderr, _("%s:%d: illegal character in keyword: %c\n"), + current.name, current.lineno, c); + } + else + { + unsigned int i; + + for (i = 0; i < KEYWORD_COUNT; i++) + { + if (lex_buf[0] == keyword_tokens[i].keyword[0] + && strcmp (lex_buf, keyword_tokens[i].keyword) == 0) + { + /* Pushing back the final whitespace avoids worrying + about \n here. */ + ungetc (c, current.file); + current.state = IN_LINE; + return keyword_tokens[i].token; + } + } + + nlmheader_identify (); + fprintf (stderr, _("%s:%d: unrecognized keyword: %s\n"), + current.name, current.lineno, lex_buf); + } + + ++parse_errors; + /* Treat the rest of this line as a comment. */ + ungetc (COMMENT_CHAR, current.file); + goto tail_recurse; + } + + /* Parentheses just represent themselves. */ + if (c == '(' || c == ')') + return c; + + /* Handle quoted strings. */ + if (c == '"' || c == '\'') + { + int quote; + int start_lineno; + + quote = c; + start_lineno = current.lineno; + + c = getc (current.file); + BUF_INIT (); + while (c != quote && c != EOF) + { + BUF_ADD (c); + if (c == '\n') + ++current.lineno; + c = getc (current.file); + } + BUF_FINISH (); + + if (c == EOF) + { + nlmheader_identify (); + fprintf (stderr, _("%s:%d: end of file in quoted string\n"), + current.name, start_lineno); + ++parse_errors; + } + + /* FIXME: Possible memory leak. */ + yylval.string = xstrdup (lex_buf); + return QUOTED_STRING; + } + + /* Gather a generic argument. */ + BUF_INIT (); + while (! ISSPACE (c) + && c != ',' + && c != COMMENT_CHAR + && c != '(' + && c != ')') + { + BUF_ADD (c); + c = getc (current.file); + } + BUF_FINISH (); + + ungetc (c, current.file); + + /* FIXME: Possible memory leak. */ + yylval.string = xstrdup (lex_buf); + return STRING; +} + +/* Get a number from a string. */ + +static long +nlmlex_get_number (const char *s) +{ + long ret; + char *send; + + ret = strtol (s, &send, 10); + if (*send != '\0') + nlmheader_warn (_("bad number"), -1); + return ret; +} + +/* Prefix the nlmconv warnings with a note as to where they come from. + We don't use program_name on every warning, because then some + versions of the emacs next-error function can't recognize the line + number. */ + +static void +nlmheader_identify (void) +{ + static int done; + + if (! done) + { + fprintf (stderr, _("%s: problems in NLM command language input:\n"), + program_name); + done = 1; + } +} + +/* Issue a warning. */ + +static void +nlmheader_warn (const char *s, int imax) +{ + nlmheader_identify (); + fprintf (stderr, "%s:%d: %s", current.name, current.lineno, s); + if (imax != -1) + fprintf (stderr, " (max %d)", imax); + fprintf (stderr, "\n"); +} + +/* Report an error. */ + +static void +nlmheader_error (const char *s) +{ + nlmheader_warn (s, -1); + ++parse_errors; +} + +/* Add a string to a string list. */ + +static struct string_list * +string_list_cons (char *s, struct string_list *l) +{ + struct string_list *ret; + + ret = (struct string_list *) xmalloc (sizeof (struct string_list)); + ret->next = l; + ret->string = s; + return ret; +} + +/* Append a string list to another string list. */ + +static struct string_list * +string_list_append (struct string_list *l1, struct string_list *l2) +{ + register struct string_list **pp; + + for (pp = &l1; *pp != NULL; pp = &(*pp)->next) + ; + *pp = l2; + return l1; +} + +/* Append a string to a string list. */ + +static struct string_list * +string_list_append1 (struct string_list *l, char *s) +{ + struct string_list *n; + register struct string_list **pp; + + n = (struct string_list *) xmalloc (sizeof (struct string_list)); + n->next = NULL; + n->string = s; + for (pp = &l; *pp != NULL; pp = &(*pp)->next) + ; + *pp = n; + return l; +} + +/* Duplicate a string in memory. */ + +static char * +xstrdup (const char *s) +{ + unsigned long len; + char *ret; + + len = strlen (s); + ret = xmalloc (len + 1); + strcpy (ret, s); + return ret; +} + |