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1/* A Bison parser, made by GNU Bison 2.4.3.  */
2
3/* Skeleton implementation for Bison's Yacc-like parsers in C
4
5      Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
6   2009, 2010 Free Software Foundation, Inc.
7
8   This program is free software: you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as published by
10   the Free Software Foundation, either version 3 of the License, or
11   (at your option) any later version.
12
13   This program is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
20
21/* As a special exception, you may create a larger work that contains
22   part or all of the Bison parser skeleton and distribute that work
23   under terms of your choice, so long as that work isn't itself a
24   parser generator using the skeleton or a modified version thereof
25   as a parser skeleton.  Alternatively, if you modify or redistribute
26   the parser skeleton itself, you may (at your option) remove this
27   special exception, which will cause the skeleton and the resulting
28   Bison output files to be licensed under the GNU General Public
29   License without this special exception.
30
31   This special exception was added by the Free Software Foundation in
32   version 2.2 of Bison.  */
33
34/* C LALR(1) parser skeleton written by Richard Stallman, by
35   simplifying the original so-called "semantic" parser.  */
36
37/* All symbols defined below should begin with yy or YY, to avoid
38   infringing on user name space.  This should be done even for local
39   variables, as they might otherwise be expanded by user macros.
40   There are some unavoidable exceptions within include files to
41   define necessary library symbols; they are noted "INFRINGES ON
42   USER NAME SPACE" below.  */
43
44/* Identify Bison output.  */
45#define YYBISON 1
46
47/* Bison version.  */
48#define YYBISON_VERSION "2.4.3"
49
50/* Skeleton name.  */
51#define YYSKELETON_NAME "yacc.c"
52
53/* Pure parsers.  */
54#define YYPURE 0
55
56/* Push parsers.  */
57#define YYPUSH 0
58
59/* Pull parsers.  */
60#define YYPULL 1
61
62/* Using locations.  */
63#define YYLSP_NEEDED 0
64
65/* Substitute the variable and function names.  */
66#define yyparse         zconfparse
67#define yylex           zconflex
68#define yyerror         zconferror
69#define yylval          zconflval
70#define yychar          zconfchar
71#define yydebug         zconfdebug
72#define yynerrs         zconfnerrs
73
74
75/* Copy the first part of user declarations.  */
76
77
78/*
79 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
80 * Released under the terms of the GNU GPL v2.0.
81 */
82
83#include <ctype.h>
84#include <stdarg.h>
85#include <stdio.h>
86#include <stdlib.h>
87#include <string.h>
88#include <stdbool.h>
89
90#include "lkc.h"
91
92#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
93
94#define PRINTD		0x0001
95#define DEBUG_PARSE	0x0002
96
97int cdebug = PRINTD;
98
99extern int zconflex(void);
100static void zconfprint(const char *err, ...);
101static void zconf_error(const char *err, ...);
102static void zconferror(const char *err);
103static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken);
104
105struct symbol *symbol_hash[SYMBOL_HASHSIZE];
106
107static struct menu *current_menu, *current_entry;
108
109
110
111
112/* Enabling traces.  */
113#ifndef YYDEBUG
114# define YYDEBUG 1
115#endif
116
117/* Enabling verbose error messages.  */
118#ifdef YYERROR_VERBOSE
119# undef YYERROR_VERBOSE
120# define YYERROR_VERBOSE 1
121#else
122# define YYERROR_VERBOSE 0
123#endif
124
125/* Enabling the token table.  */
126#ifndef YYTOKEN_TABLE
127# define YYTOKEN_TABLE 0
128#endif
129
130
131/* Tokens.  */
132#ifndef YYTOKENTYPE
133# define YYTOKENTYPE
134   /* Put the tokens into the symbol table, so that GDB and other debuggers
135      know about them.  */
136   enum yytokentype {
137     T_MAINMENU = 258,
138     T_MENU = 259,
139     T_ENDMENU = 260,
140     T_SOURCE = 261,
141     T_CHOICE = 262,
142     T_ENDCHOICE = 263,
143     T_COMMENT = 264,
144     T_CONFIG = 265,
145     T_MENUCONFIG = 266,
146     T_HELP = 267,
147     T_HELPTEXT = 268,
148     T_IF = 269,
149     T_ENDIF = 270,
150     T_DEPENDS = 271,
151     T_OPTIONAL = 272,
152     T_PROMPT = 273,
153     T_TYPE = 274,
154     T_DEFAULT = 275,
155     T_SELECT = 276,
156     T_RANGE = 277,
157     T_VISIBLE = 278,
158     T_OPTION = 279,
159     T_ON = 280,
160     T_WORD = 281,
161     T_WORD_QUOTE = 282,
162     T_UNEQUAL = 283,
163     T_CLOSE_PAREN = 284,
164     T_OPEN_PAREN = 285,
165     T_EOL = 286,
166     T_OR = 287,
167     T_AND = 288,
168     T_EQUAL = 289,
169     T_NOT = 290
170   };
171#endif
172
173
174
175#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
176typedef union YYSTYPE
177{
178
179
180	char *string;
181	struct file *file;
182	struct symbol *symbol;
183	struct expr *expr;
184	struct menu *menu;
185	const struct kconf_id *id;
186
187
188
189} YYSTYPE;
190# define YYSTYPE_IS_TRIVIAL 1
191# define yystype YYSTYPE /* obsolescent; will be withdrawn */
192# define YYSTYPE_IS_DECLARED 1
193#endif
194
195
196/* Copy the second part of user declarations.  */
197
198
199/* Include zconf.hash.c here so it can see the token constants. */
200#include "zconf.hash.c"
201
202
203
204#ifdef short
205# undef short
206#endif
207
208#ifdef YYTYPE_UINT8
209typedef YYTYPE_UINT8 yytype_uint8;
210#else
211typedef unsigned char yytype_uint8;
212#endif
213
214#ifdef YYTYPE_INT8
215typedef YYTYPE_INT8 yytype_int8;
216#elif (defined __STDC__ || defined __C99__FUNC__ \
217     || defined __cplusplus || defined _MSC_VER)
218typedef signed char yytype_int8;
219#else
220typedef short int yytype_int8;
221#endif
222
223#ifdef YYTYPE_UINT16
224typedef YYTYPE_UINT16 yytype_uint16;
225#else
226typedef unsigned short int yytype_uint16;
227#endif
228
229#ifdef YYTYPE_INT16
230typedef YYTYPE_INT16 yytype_int16;
231#else
232typedef short int yytype_int16;
233#endif
234
235#ifndef YYSIZE_T
236# ifdef __SIZE_TYPE__
237#  define YYSIZE_T __SIZE_TYPE__
238# elif defined size_t
239#  define YYSIZE_T size_t
240# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
241     || defined __cplusplus || defined _MSC_VER)
242#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
243#  define YYSIZE_T size_t
244# else
245#  define YYSIZE_T unsigned int
246# endif
247#endif
248
249#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
250
251#ifndef YY_
252# if defined YYENABLE_NLS && YYENABLE_NLS
253#  if ENABLE_NLS
254#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
255#   define YY_(msgid) dgettext ("bison-runtime", msgid)
256#  endif
257# endif
258# ifndef YY_
259#  define YY_(msgid) msgid
260# endif
261#endif
262
263/* Suppress unused-variable warnings by "using" E.  */
264#if ! defined lint || defined __GNUC__
265# define YYUSE(e) ((void) (e))
266#else
267# define YYUSE(e) /* empty */
268#endif
269
270/* Identity function, used to suppress warnings about constant conditions.  */
271#ifndef lint
272# define YYID(n) (n)
273#else
274#if (defined __STDC__ || defined __C99__FUNC__ \
275     || defined __cplusplus || defined _MSC_VER)
276static int
277YYID (int yyi)
278#else
279static int
280YYID (yyi)
281    int yyi;
282#endif
283{
284  return yyi;
285}
286#endif
287
288#if ! defined yyoverflow || YYERROR_VERBOSE
289
290/* The parser invokes alloca or malloc; define the necessary symbols.  */
291
292# ifdef YYSTACK_USE_ALLOCA
293#  if YYSTACK_USE_ALLOCA
294#   ifdef __GNUC__
295#    define YYSTACK_ALLOC __builtin_alloca
296#   elif defined __BUILTIN_VA_ARG_INCR
297#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
298#   elif defined _AIX
299#    define YYSTACK_ALLOC __alloca
300#   elif defined _MSC_VER
301#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
302#    define alloca _alloca
303#   else
304#    define YYSTACK_ALLOC alloca
305#    if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
306     || defined __cplusplus || defined _MSC_VER)
307#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
308#     ifndef _STDLIB_H
309#      define _STDLIB_H 1
310#     endif
311#    endif
312#   endif
313#  endif
314# endif
315
316# ifdef YYSTACK_ALLOC
317   /* Pacify GCC's `empty if-body' warning.  */
318#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
319#  ifndef YYSTACK_ALLOC_MAXIMUM
320    /* The OS might guarantee only one guard page at the bottom of the stack,
321       and a page size can be as small as 4096 bytes.  So we cannot safely
322       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
323       to allow for a few compiler-allocated temporary stack slots.  */
324#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
325#  endif
326# else
327#  define YYSTACK_ALLOC YYMALLOC
328#  define YYSTACK_FREE YYFREE
329#  ifndef YYSTACK_ALLOC_MAXIMUM
330#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
331#  endif
332#  if (defined __cplusplus && ! defined _STDLIB_H \
333       && ! ((defined YYMALLOC || defined malloc) \
334	     && (defined YYFREE || defined free)))
335#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
336#   ifndef _STDLIB_H
337#    define _STDLIB_H 1
338#   endif
339#  endif
340#  ifndef YYMALLOC
341#   define YYMALLOC malloc
342#   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
343     || defined __cplusplus || defined _MSC_VER)
344void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
345#   endif
346#  endif
347#  ifndef YYFREE
348#   define YYFREE free
349#   if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
350     || defined __cplusplus || defined _MSC_VER)
351void free (void *); /* INFRINGES ON USER NAME SPACE */
352#   endif
353#  endif
354# endif
355#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
356
357
358#if (! defined yyoverflow \
359     && (! defined __cplusplus \
360	 || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
361
362/* A type that is properly aligned for any stack member.  */
363union yyalloc
364{
365  yytype_int16 yyss_alloc;
366  YYSTYPE yyvs_alloc;
367};
368
369/* The size of the maximum gap between one aligned stack and the next.  */
370# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
371
372/* The size of an array large to enough to hold all stacks, each with
373   N elements.  */
374# define YYSTACK_BYTES(N) \
375     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
376      + YYSTACK_GAP_MAXIMUM)
377
378/* Copy COUNT objects from FROM to TO.  The source and destination do
379   not overlap.  */
380# ifndef YYCOPY
381#  if defined __GNUC__ && 1 < __GNUC__
382#   define YYCOPY(To, From, Count) \
383      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
384#  else
385#   define YYCOPY(To, From, Count)		\
386      do					\
387	{					\
388	  YYSIZE_T yyi;				\
389	  for (yyi = 0; yyi < (Count); yyi++)	\
390	    (To)[yyi] = (From)[yyi];		\
391	}					\
392      while (YYID (0))
393#  endif
394# endif
395
396/* Relocate STACK from its old location to the new one.  The
397   local variables YYSIZE and YYSTACKSIZE give the old and new number of
398   elements in the stack, and YYPTR gives the new location of the
399   stack.  Advance YYPTR to a properly aligned location for the next
400   stack.  */
401# define YYSTACK_RELOCATE(Stack_alloc, Stack)				\
402    do									\
403      {									\
404	YYSIZE_T yynewbytes;						\
405	YYCOPY (&yyptr->Stack_alloc, Stack, yysize);			\
406	Stack = &yyptr->Stack_alloc;					\
407	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
408	yyptr += yynewbytes / sizeof (*yyptr);				\
409      }									\
410    while (YYID (0))
411
412#endif
413
414/* YYFINAL -- State number of the termination state.  */
415#define YYFINAL  11
416/* YYLAST -- Last index in YYTABLE.  */
417#define YYLAST   290
418
419/* YYNTOKENS -- Number of terminals.  */
420#define YYNTOKENS  36
421/* YYNNTS -- Number of nonterminals.  */
422#define YYNNTS  50
423/* YYNRULES -- Number of rules.  */
424#define YYNRULES  118
425/* YYNRULES -- Number of states.  */
426#define YYNSTATES  191
427
428/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
429#define YYUNDEFTOK  2
430#define YYMAXUTOK   290
431
432#define YYTRANSLATE(YYX)						\
433  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
434
435/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
436static const yytype_uint8 yytranslate[] =
437{
438       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
439       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
440       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
441       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
442       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
443       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
444       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
445       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
446       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
447       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
448       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
449       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
450       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
451       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
452       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
453       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
454       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
455       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
456       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
457       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
458       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
459       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
460       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
461       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
462       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
463       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
464       5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
465      15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
466      25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
467      35
468};
469
470#if YYDEBUG
471/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
472   YYRHS.  */
473static const yytype_uint16 yyprhs[] =
474{
475       0,     0,     3,     6,     8,    11,    13,    14,    17,    20,
476      23,    26,    31,    36,    40,    42,    44,    46,    48,    50,
477      52,    54,    56,    58,    60,    62,    64,    66,    68,    72,
478      75,    79,    82,    86,    89,    90,    93,    96,    99,   102,
479     105,   108,   112,   117,   122,   127,   133,   137,   138,   142,
480     143,   146,   150,   153,   155,   159,   160,   163,   166,   169,
481     172,   175,   180,   184,   187,   192,   193,   196,   200,   202,
482     206,   207,   210,   213,   216,   220,   224,   228,   230,   234,
483     235,   238,   241,   244,   248,   252,   255,   258,   261,   262,
484     265,   268,   271,   276,   277,   280,   283,   286,   287,   290,
485     292,   294,   297,   300,   303,   305,   308,   309,   312,   314,
486     318,   322,   326,   329,   333,   337,   339,   341,   342
487};
488
489/* YYRHS -- A `-1'-separated list of the rules' RHS.  */
490static const yytype_int8 yyrhs[] =
491{
492      37,     0,    -1,    81,    38,    -1,    38,    -1,    63,    39,
493      -1,    39,    -1,    -1,    39,    41,    -1,    39,    55,    -1,
494      39,    67,    -1,    39,    80,    -1,    39,    26,     1,    31,
495      -1,    39,    40,     1,    31,    -1,    39,     1,    31,    -1,
496      16,    -1,    18,    -1,    19,    -1,    21,    -1,    17,    -1,
497      22,    -1,    20,    -1,    23,    -1,    31,    -1,    61,    -1,
498      71,    -1,    44,    -1,    46,    -1,    69,    -1,    26,     1,
499      31,    -1,     1,    31,    -1,    10,    26,    31,    -1,    43,
500      47,    -1,    11,    26,    31,    -1,    45,    47,    -1,    -1,
501      47,    48,    -1,    47,    49,    -1,    47,    75,    -1,    47,
502      73,    -1,    47,    42,    -1,    47,    31,    -1,    19,    78,
503      31,    -1,    18,    79,    82,    31,    -1,    20,    83,    82,
504      31,    -1,    21,    26,    82,    31,    -1,    22,    84,    84,
505      82,    31,    -1,    24,    50,    31,    -1,    -1,    50,    26,
506      51,    -1,    -1,    34,    79,    -1,     7,    85,    31,    -1,
507      52,    56,    -1,    80,    -1,    53,    58,    54,    -1,    -1,
508      56,    57,    -1,    56,    75,    -1,    56,    73,    -1,    56,
509      31,    -1,    56,    42,    -1,    18,    79,    82,    31,    -1,
510      19,    78,    31,    -1,    17,    31,    -1,    20,    26,    82,
511      31,    -1,    -1,    58,    41,    -1,    14,    83,    81,    -1,
512      80,    -1,    59,    62,    60,    -1,    -1,    62,    41,    -1,
513      62,    67,    -1,    62,    55,    -1,     3,    79,    81,    -1,
514       4,    79,    31,    -1,    64,    76,    74,    -1,    80,    -1,
515      65,    68,    66,    -1,    -1,    68,    41,    -1,    68,    67,
516      -1,    68,    55,    -1,     6,    79,    31,    -1,     9,    79,
517      31,    -1,    70,    74,    -1,    12,    31,    -1,    72,    13,
518      -1,    -1,    74,    75,    -1,    74,    31,    -1,    74,    42,
519      -1,    16,    25,    83,    31,    -1,    -1,    76,    77,    -1,
520      76,    31,    -1,    23,    82,    -1,    -1,    79,    82,    -1,
521      26,    -1,    27,    -1,     5,    31,    -1,     8,    31,    -1,
522      15,    31,    -1,    31,    -1,    81,    31,    -1,    -1,    14,
523      83,    -1,    84,    -1,    84,    34,    84,    -1,    84,    28,
524      84,    -1,    30,    83,    29,    -1,    35,    83,    -1,    83,
525      32,    83,    -1,    83,    33,    83,    -1,    26,    -1,    27,
526      -1,    -1,    26,    -1
527};
528
529/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
530static const yytype_uint16 yyrline[] =
531{
532       0,   104,   104,   104,   106,   106,   108,   110,   111,   112,
533     113,   114,   115,   119,   123,   123,   123,   123,   123,   123,
534     123,   123,   127,   128,   129,   130,   131,   132,   136,   137,
535     143,   151,   157,   165,   175,   177,   178,   179,   180,   181,
536     182,   185,   193,   199,   209,   215,   221,   224,   226,   237,
537     238,   243,   252,   257,   265,   268,   270,   271,   272,   273,
538     274,   277,   283,   294,   300,   310,   312,   317,   325,   333,
539     336,   338,   339,   340,   345,   352,   359,   364,   372,   375,
540     377,   378,   379,   382,   390,   397,   404,   410,   417,   419,
541     420,   421,   424,   432,   434,   435,   438,   445,   447,   452,
542     453,   456,   457,   458,   462,   463,   466,   467,   470,   471,
543     472,   473,   474,   475,   476,   479,   480,   483,   484
544};
545#endif
546
547#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
548/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
549   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
550static const char *const yytname[] =
551{
552  "$end", "error", "$undefined", "T_MAINMENU", "T_MENU", "T_ENDMENU",
553  "T_SOURCE", "T_CHOICE", "T_ENDCHOICE", "T_COMMENT", "T_CONFIG",
554  "T_MENUCONFIG", "T_HELP", "T_HELPTEXT", "T_IF", "T_ENDIF", "T_DEPENDS",
555  "T_OPTIONAL", "T_PROMPT", "T_TYPE", "T_DEFAULT", "T_SELECT", "T_RANGE",
556  "T_VISIBLE", "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
557  "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_EOL", "T_OR", "T_AND", "T_EQUAL",
558  "T_NOT", "$accept", "input", "start", "stmt_list", "option_name",
559  "common_stmt", "option_error", "config_entry_start", "config_stmt",
560  "menuconfig_entry_start", "menuconfig_stmt", "config_option_list",
561  "config_option", "symbol_option", "symbol_option_list",
562  "symbol_option_arg", "choice", "choice_entry", "choice_end",
563  "choice_stmt", "choice_option_list", "choice_option", "choice_block",
564  "if_entry", "if_end", "if_stmt", "if_block", "mainmenu_stmt", "menu",
565  "menu_entry", "menu_end", "menu_stmt", "menu_block", "source_stmt",
566  "comment", "comment_stmt", "help_start", "help", "depends_list",
567  "depends", "visibility_list", "visible", "prompt_stmt_opt", "prompt",
568  "end", "nl", "if_expr", "expr", "symbol", "word_opt", 0
569};
570#endif
571
572# ifdef YYPRINT
573/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
574   token YYLEX-NUM.  */
575static const yytype_uint16 yytoknum[] =
576{
577       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
578     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
579     275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
580     285,   286,   287,   288,   289,   290
581};
582# endif
583
584/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
585static const yytype_uint8 yyr1[] =
586{
587       0,    36,    37,    37,    38,    38,    39,    39,    39,    39,
588      39,    39,    39,    39,    40,    40,    40,    40,    40,    40,
589      40,    40,    41,    41,    41,    41,    41,    41,    42,    42,
590      43,    44,    45,    46,    47,    47,    47,    47,    47,    47,
591      47,    48,    48,    48,    48,    48,    49,    50,    50,    51,
592      51,    52,    53,    54,    55,    56,    56,    56,    56,    56,
593      56,    57,    57,    57,    57,    58,    58,    59,    60,    61,
594      62,    62,    62,    62,    63,    64,    65,    66,    67,    68,
595      68,    68,    68,    69,    70,    71,    72,    73,    74,    74,
596      74,    74,    75,    76,    76,    76,    77,    78,    78,    79,
597      79,    80,    80,    80,    81,    81,    82,    82,    83,    83,
598      83,    83,    83,    83,    83,    84,    84,    85,    85
599};
600
601/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
602static const yytype_uint8 yyr2[] =
603{
604       0,     2,     2,     1,     2,     1,     0,     2,     2,     2,
605       2,     4,     4,     3,     1,     1,     1,     1,     1,     1,
606       1,     1,     1,     1,     1,     1,     1,     1,     3,     2,
607       3,     2,     3,     2,     0,     2,     2,     2,     2,     2,
608       2,     3,     4,     4,     4,     5,     3,     0,     3,     0,
609       2,     3,     2,     1,     3,     0,     2,     2,     2,     2,
610       2,     4,     3,     2,     4,     0,     2,     3,     1,     3,
611       0,     2,     2,     2,     3,     3,     3,     1,     3,     0,
612       2,     2,     2,     3,     3,     2,     2,     2,     0,     2,
613       2,     2,     4,     0,     2,     2,     2,     0,     2,     1,
614       1,     2,     2,     2,     1,     2,     0,     2,     1,     3,
615       3,     3,     2,     3,     3,     1,     1,     0,     1
616};
617
618/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
619   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
620   means the default is an error.  */
621static const yytype_uint8 yydefact[] =
622{
623       6,     0,   104,     0,     3,     0,     6,     6,    99,   100,
624       0,     1,     0,     0,     0,     0,   117,     0,     0,     0,
625       0,     0,     0,    14,    18,    15,    16,    20,    17,    19,
626      21,     0,    22,     0,     7,    34,    25,    34,    26,    55,
627      65,     8,    70,    23,    93,    79,     9,    27,    88,    24,
628      10,     0,   105,     2,    74,    13,     0,   101,     0,   118,
629       0,   102,     0,     0,     0,   115,   116,     0,     0,     0,
630     108,   103,     0,     0,     0,     0,     0,     0,     0,    88,
631       0,     0,    75,    83,    51,    84,    30,    32,     0,   112,
632       0,     0,    67,     0,     0,    11,    12,     0,     0,     0,
633       0,    97,     0,     0,     0,    47,     0,    40,    39,    35,
634      36,     0,    38,    37,     0,     0,    97,     0,    59,    60,
635      56,    58,    57,    66,    54,    53,    71,    73,    69,    72,
636      68,   106,    95,     0,    94,    80,    82,    78,    81,    77,
637      90,    91,    89,   111,   113,   114,   110,   109,    29,    86,
638       0,   106,     0,   106,   106,   106,     0,     0,     0,    87,
639      63,   106,     0,   106,     0,    96,     0,     0,    41,    98,
640       0,     0,   106,    49,    46,    28,     0,    62,     0,   107,
641      92,    42,    43,    44,     0,     0,    48,    61,    64,    45,
642      50
643};
644
645/* YYDEFGOTO[NTERM-NUM].  */
646static const yytype_int16 yydefgoto[] =
647{
648      -1,     3,     4,     5,    33,    34,   108,    35,    36,    37,
649      38,    74,   109,   110,   157,   186,    39,    40,   124,    41,
650      76,   120,    77,    42,   128,    43,    78,     6,    44,    45,
651     137,    46,    80,    47,    48,    49,   111,   112,    81,   113,
652      79,   134,   152,   153,    50,     7,   165,    69,    70,    60
653};
654
655/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
656   STATE-NUM.  */
657#define YYPACT_NINF -90
658static const yytype_int16 yypact[] =
659{
660       4,    42,   -90,    96,   -90,   111,   -90,    15,   -90,   -90,
661      75,   -90,    82,    42,   104,    42,   110,   107,    42,   115,
662     125,    -4,   121,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
663     -90,   162,   -90,   163,   -90,   -90,   -90,   -90,   -90,   -90,
664     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
665     -90,   139,   -90,   -90,   138,   -90,   142,   -90,   143,   -90,
666     152,   -90,   164,   167,   168,   -90,   -90,    -4,    -4,    77,
667     -18,   -90,   177,   185,    33,    71,   195,   247,   236,    -2,
668     236,   171,   -90,   -90,   -90,   -90,   -90,   -90,    41,   -90,
669      -4,    -4,   138,    97,    97,   -90,   -90,   186,   187,   194,
670      42,    42,    -4,   196,    97,   -90,   219,   -90,   -90,   -90,
671     -90,   210,   -90,   -90,   204,    42,    42,   199,   -90,   -90,
672     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
673     -90,   222,   -90,   223,   -90,   -90,   -90,   -90,   -90,   -90,
674     -90,   -90,   -90,   -90,   215,   -90,   -90,   -90,   -90,   -90,
675      -4,   222,   228,   222,    -5,   222,    97,    35,   229,   -90,
676     -90,   222,   232,   222,    -4,   -90,   135,   233,   -90,   -90,
677     234,   235,   222,   240,   -90,   -90,   237,   -90,   239,   -13,
678     -90,   -90,   -90,   -90,   244,    42,   -90,   -90,   -90,   -90,
679     -90
680};
681
682/* YYPGOTO[NTERM-NUM].  */
683static const yytype_int16 yypgoto[] =
684{
685     -90,   -90,   269,   271,   -90,    23,   -70,   -90,   -90,   -90,
686     -90,   243,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -48,
687     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
688     -90,   -20,   -90,   -90,   -90,   -90,   -90,   206,   205,   -68,
689     -90,   -90,   169,    -1,    27,    -7,   118,   -66,   -89,   -90
690};
691
692/* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
693   positive, shift that token.  If negative, reduce the rule which
694   number is the opposite.  If zero, do what YYDEFACT says.
695   If YYTABLE_NINF, syntax error.  */
696#define YYTABLE_NINF -86
697static const yytype_int16 yytable[] =
698{
699      10,    88,    89,    54,   146,   147,   119,     1,   122,   164,
700      93,   141,    56,   142,    58,   156,    94,    62,     1,    90,
701      91,   131,    65,    66,   144,   145,    67,    90,    91,   132,
702     127,    68,   136,   -31,    97,     2,   154,   -31,   -31,   -31,
703     -31,   -31,   -31,   -31,   -31,    98,    52,   -31,   -31,    99,
704     -31,   100,   101,   102,   103,   104,   -31,   105,   129,   106,
705     138,   173,    92,   141,   107,   142,   174,   172,     8,     9,
706     143,   -33,    97,    90,    91,   -33,   -33,   -33,   -33,   -33,
707     -33,   -33,   -33,    98,   166,   -33,   -33,    99,   -33,   100,
708     101,   102,   103,   104,   -33,   105,    11,   106,   179,   151,
709     123,   126,   107,   135,   125,   130,     2,   139,     2,    90,
710      91,    -5,    12,    55,   161,    13,    14,    15,    16,    17,
711      18,    19,    20,    65,    66,    21,    22,    23,    24,    25,
712      26,    27,    28,    29,    30,    57,    59,    31,    61,    -4,
713      12,    63,    32,    13,    14,    15,    16,    17,    18,    19,
714      20,    64,    71,    21,    22,    23,    24,    25,    26,    27,
715      28,    29,    30,    72,    73,    31,   180,    90,    91,    52,
716      32,   -85,    97,    82,    83,   -85,   -85,   -85,   -85,   -85,
717     -85,   -85,   -85,    84,   190,   -85,   -85,    99,   -85,   -85,
718     -85,   -85,   -85,   -85,   -85,    85,    97,   106,    86,    87,
719     -52,   -52,   140,   -52,   -52,   -52,   -52,    98,    95,   -52,
720     -52,    99,   114,   115,   116,   117,    96,   148,   149,   150,
721     158,   106,   155,   159,    97,   163,   118,   -76,   -76,   -76,
722     -76,   -76,   -76,   -76,   -76,   160,   164,   -76,   -76,    99,
723      13,    14,    15,    16,    17,    18,    19,    20,    91,   106,
724      21,    22,    14,    15,   140,    17,    18,    19,    20,   168,
725     175,    21,    22,   177,   181,   182,   183,    32,   187,   167,
726     188,   169,   170,   171,   185,   189,    53,    51,    32,   176,
727      75,   178,   121,     0,   133,   162,     0,     0,     0,     0,
728     184
729};
730
731static const yytype_int16 yycheck[] =
732{
733       1,    67,    68,    10,    93,    94,    76,     3,    76,    14,
734      28,    81,    13,    81,    15,   104,    34,    18,     3,    32,
735      33,    23,    26,    27,    90,    91,    30,    32,    33,    31,
736      78,    35,    80,     0,     1,    31,   102,     4,     5,     6,
737       7,     8,     9,    10,    11,    12,    31,    14,    15,    16,
738      17,    18,    19,    20,    21,    22,    23,    24,    78,    26,
739      80,    26,    69,   133,    31,   133,    31,   156,    26,    27,
740      29,     0,     1,    32,    33,     4,     5,     6,     7,     8,
741       9,    10,    11,    12,   150,    14,    15,    16,    17,    18,
742      19,    20,    21,    22,    23,    24,     0,    26,   164,   100,
743      77,    78,    31,    80,    77,    78,    31,    80,    31,    32,
744      33,     0,     1,    31,   115,     4,     5,     6,     7,     8,
745       9,    10,    11,    26,    27,    14,    15,    16,    17,    18,
746      19,    20,    21,    22,    23,    31,    26,    26,    31,     0,
747       1,    26,    31,     4,     5,     6,     7,     8,     9,    10,
748      11,    26,    31,    14,    15,    16,    17,    18,    19,    20,
749      21,    22,    23,     1,     1,    26,    31,    32,    33,    31,
750      31,     0,     1,    31,    31,     4,     5,     6,     7,     8,
751       9,    10,    11,    31,   185,    14,    15,    16,    17,    18,
752      19,    20,    21,    22,    23,    31,     1,    26,    31,    31,
753       5,     6,    31,     8,     9,    10,    11,    12,    31,    14,
754      15,    16,    17,    18,    19,    20,    31,    31,    31,    25,
755       1,    26,    26,    13,     1,    26,    31,     4,     5,     6,
756       7,     8,     9,    10,    11,    31,    14,    14,    15,    16,
757       4,     5,     6,     7,     8,     9,    10,    11,    33,    26,
758      14,    15,     5,     6,    31,     8,     9,    10,    11,    31,
759      31,    14,    15,    31,    31,    31,    31,    31,    31,   151,
760      31,   153,   154,   155,    34,    31,     7,     6,    31,   161,
761      37,   163,    76,    -1,    79,   116,    -1,    -1,    -1,    -1,
762     172
763};
764
765/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
766   symbol of state STATE-NUM.  */
767static const yytype_uint8 yystos[] =
768{
769       0,     3,    31,    37,    38,    39,    63,    81,    26,    27,
770      79,     0,     1,     4,     5,     6,     7,     8,     9,    10,
771      11,    14,    15,    16,    17,    18,    19,    20,    21,    22,
772      23,    26,    31,    40,    41,    43,    44,    45,    46,    52,
773      53,    55,    59,    61,    64,    65,    67,    69,    70,    71,
774      80,    39,    31,    38,    81,    31,    79,    31,    79,    26,
775      85,    31,    79,    26,    26,    26,    27,    30,    35,    83,
776      84,    31,     1,     1,    47,    47,    56,    58,    62,    76,
777      68,    74,    31,    31,    31,    31,    31,    31,    83,    83,
778      32,    33,    81,    28,    34,    31,    31,     1,    12,    16,
779      18,    19,    20,    21,    22,    24,    26,    31,    42,    48,
780      49,    72,    73,    75,    17,    18,    19,    20,    31,    42,
781      57,    73,    75,    41,    54,    80,    41,    55,    60,    67,
782      80,    23,    31,    74,    77,    41,    55,    66,    67,    80,
783      31,    42,    75,    29,    83,    83,    84,    84,    31,    31,
784      25,    79,    78,    79,    83,    26,    84,    50,     1,    13,
785      31,    79,    78,    26,    14,    82,    83,    82,    31,    82,
786      82,    82,    84,    26,    31,    31,    82,    31,    82,    83,
787      31,    31,    31,    31,    82,    34,    51,    31,    31,    31,
788      79
789};
790
791#define yyerrok		(yyerrstatus = 0)
792#define yyclearin	(yychar = YYEMPTY)
793#define YYEMPTY		(-2)
794#define YYEOF		0
795
796#define YYACCEPT	goto yyacceptlab
797#define YYABORT		goto yyabortlab
798#define YYERROR		goto yyerrorlab
799
800
801/* Like YYERROR except do call yyerror.  This remains here temporarily
802   to ease the transition to the new meaning of YYERROR, for GCC.
803   Once GCC version 2 has supplanted version 1, this can go.  However,
804   YYFAIL appears to be in use.  Nevertheless, it is formally deprecated
805   in Bison 2.4.2's NEWS entry, where a plan to phase it out is
806   discussed.  */
807
808#define YYFAIL		goto yyerrlab
809#if defined YYFAIL
810  /* This is here to suppress warnings from the GCC cpp's
811     -Wunused-macros.  Normally we don't worry about that warning, but
812     some users do, and we want to make it easy for users to remove
813     YYFAIL uses, which will produce warnings from Bison 2.5.  */
814#endif
815
816#define YYRECOVERING()  (!!yyerrstatus)
817
818#define YYBACKUP(Token, Value)					\
819do								\
820  if (yychar == YYEMPTY && yylen == 1)				\
821    {								\
822      yychar = (Token);						\
823      yylval = (Value);						\
824      yytoken = YYTRANSLATE (yychar);				\
825      YYPOPSTACK (1);						\
826      goto yybackup;						\
827    }								\
828  else								\
829    {								\
830      yyerror (YY_("syntax error: cannot back up")); \
831      YYERROR;							\
832    }								\
833while (YYID (0))
834
835
836#define YYTERROR	1
837#define YYERRCODE	256
838
839
840/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
841   If N is 0, then set CURRENT to the empty location which ends
842   the previous symbol: RHS[0] (always defined).  */
843
844#define YYRHSLOC(Rhs, K) ((Rhs)[K])
845#ifndef YYLLOC_DEFAULT
846# define YYLLOC_DEFAULT(Current, Rhs, N)				\
847    do									\
848      if (YYID (N))                                                    \
849	{								\
850	  (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;	\
851	  (Current).first_column = YYRHSLOC (Rhs, 1).first_column;	\
852	  (Current).last_line    = YYRHSLOC (Rhs, N).last_line;		\
853	  (Current).last_column  = YYRHSLOC (Rhs, N).last_column;	\
854	}								\
855      else								\
856	{								\
857	  (Current).first_line   = (Current).last_line   =		\
858	    YYRHSLOC (Rhs, 0).last_line;				\
859	  (Current).first_column = (Current).last_column =		\
860	    YYRHSLOC (Rhs, 0).last_column;				\
861	}								\
862    while (YYID (0))
863#endif
864
865
866/* YY_LOCATION_PRINT -- Print the location on the stream.
867   This macro was not mandated originally: define only if we know
868   we won't break user code: when these are the locations we know.  */
869
870#ifndef YY_LOCATION_PRINT
871# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
872#  define YY_LOCATION_PRINT(File, Loc)			\
873     fprintf (File, "%d.%d-%d.%d",			\
874	      (Loc).first_line, (Loc).first_column,	\
875	      (Loc).last_line,  (Loc).last_column)
876# else
877#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
878# endif
879#endif
880
881
882/* YYLEX -- calling `yylex' with the right arguments.  */
883
884#ifdef YYLEX_PARAM
885# define YYLEX yylex (YYLEX_PARAM)
886#else
887# define YYLEX yylex ()
888#endif
889
890/* Enable debugging if requested.  */
891#if YYDEBUG
892
893# ifndef YYFPRINTF
894#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
895#  define YYFPRINTF fprintf
896# endif
897
898# define YYDPRINTF(Args)			\
899do {						\
900  if (yydebug)					\
901    YYFPRINTF Args;				\
902} while (YYID (0))
903
904# define YY_SYMBOL_PRINT(Title, Type, Value, Location)			  \
905do {									  \
906  if (yydebug)								  \
907    {									  \
908      YYFPRINTF (stderr, "%s ", Title);					  \
909      yy_symbol_print (stderr,						  \
910		  Type, Value); \
911      YYFPRINTF (stderr, "\n");						  \
912    }									  \
913} while (YYID (0))
914
915
916/*--------------------------------.
917| Print this symbol on YYOUTPUT.  |
918`--------------------------------*/
919
920/*ARGSUSED*/
921#if (defined __STDC__ || defined __C99__FUNC__ \
922     || defined __cplusplus || defined _MSC_VER)
923static void
924yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
925#else
926static void
927yy_symbol_value_print (yyoutput, yytype, yyvaluep)
928    FILE *yyoutput;
929    int yytype;
930    YYSTYPE const * const yyvaluep;
931#endif
932{
933  if (!yyvaluep)
934    return;
935# ifdef YYPRINT
936  if (yytype < YYNTOKENS)
937    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
938# else
939  YYUSE (yyoutput);
940# endif
941  switch (yytype)
942    {
943      default:
944	break;
945    }
946}
947
948
949/*--------------------------------.
950| Print this symbol on YYOUTPUT.  |
951`--------------------------------*/
952
953#if (defined __STDC__ || defined __C99__FUNC__ \
954     || defined __cplusplus || defined _MSC_VER)
955static void
956yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
957#else
958static void
959yy_symbol_print (yyoutput, yytype, yyvaluep)
960    FILE *yyoutput;
961    int yytype;
962    YYSTYPE const * const yyvaluep;
963#endif
964{
965  if (yytype < YYNTOKENS)
966    YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
967  else
968    YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
969
970  yy_symbol_value_print (yyoutput, yytype, yyvaluep);
971  YYFPRINTF (yyoutput, ")");
972}
973
974/*------------------------------------------------------------------.
975| yy_stack_print -- Print the state stack from its BOTTOM up to its |
976| TOP (included).                                                   |
977`------------------------------------------------------------------*/
978
979#if (defined __STDC__ || defined __C99__FUNC__ \
980     || defined __cplusplus || defined _MSC_VER)
981static void
982yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
983#else
984static void
985yy_stack_print (yybottom, yytop)
986    yytype_int16 *yybottom;
987    yytype_int16 *yytop;
988#endif
989{
990  YYFPRINTF (stderr, "Stack now");
991  for (; yybottom <= yytop; yybottom++)
992    {
993      int yybot = *yybottom;
994      YYFPRINTF (stderr, " %d", yybot);
995    }
996  YYFPRINTF (stderr, "\n");
997}
998
999# define YY_STACK_PRINT(Bottom, Top)				\
1000do {								\
1001  if (yydebug)							\
1002    yy_stack_print ((Bottom), (Top));				\
1003} while (YYID (0))
1004
1005
1006/*------------------------------------------------.
1007| Report that the YYRULE is going to be reduced.  |
1008`------------------------------------------------*/
1009
1010#if (defined __STDC__ || defined __C99__FUNC__ \
1011     || defined __cplusplus || defined _MSC_VER)
1012static void
1013yy_reduce_print (YYSTYPE *yyvsp, int yyrule)
1014#else
1015static void
1016yy_reduce_print (yyvsp, yyrule)
1017    YYSTYPE *yyvsp;
1018    int yyrule;
1019#endif
1020{
1021  int yynrhs = yyr2[yyrule];
1022  int yyi;
1023  unsigned long int yylno = yyrline[yyrule];
1024  YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
1025	     yyrule - 1, yylno);
1026  /* The symbols being reduced.  */
1027  for (yyi = 0; yyi < yynrhs; yyi++)
1028    {
1029      YYFPRINTF (stderr, "   $%d = ", yyi + 1);
1030      yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
1031		       &(yyvsp[(yyi + 1) - (yynrhs)])
1032		       		       );
1033      YYFPRINTF (stderr, "\n");
1034    }
1035}
1036
1037# define YY_REDUCE_PRINT(Rule)		\
1038do {					\
1039  if (yydebug)				\
1040    yy_reduce_print (yyvsp, Rule); \
1041} while (YYID (0))
1042
1043/* Nonzero means print parse trace.  It is left uninitialized so that
1044   multiple parsers can coexist.  */
1045int yydebug;
1046#else /* !YYDEBUG */
1047# define YYDPRINTF(Args)
1048# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
1049# define YY_STACK_PRINT(Bottom, Top)
1050# define YY_REDUCE_PRINT(Rule)
1051#endif /* !YYDEBUG */
1052
1053
1054/* YYINITDEPTH -- initial size of the parser's stacks.  */
1055#ifndef	YYINITDEPTH
1056# define YYINITDEPTH 200
1057#endif
1058
1059/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
1060   if the built-in stack extension method is used).
1061
1062   Do not make this value too large; the results are undefined if
1063   YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
1064   evaluated with infinite-precision integer arithmetic.  */
1065
1066#ifndef YYMAXDEPTH
1067# define YYMAXDEPTH 10000
1068#endif
1069
1070
1071
1072#if YYERROR_VERBOSE
1073
1074# ifndef yystrlen
1075#  if defined __GLIBC__ && defined _STRING_H
1076#   define yystrlen strlen
1077#  else
1078/* Return the length of YYSTR.  */
1079#if (defined __STDC__ || defined __C99__FUNC__ \
1080     || defined __cplusplus || defined _MSC_VER)
1081static YYSIZE_T
1082yystrlen (const char *yystr)
1083#else
1084static YYSIZE_T
1085yystrlen (yystr)
1086    const char *yystr;
1087#endif
1088{
1089  YYSIZE_T yylen;
1090  for (yylen = 0; yystr[yylen]; yylen++)
1091    continue;
1092  return yylen;
1093}
1094#  endif
1095# endif
1096
1097# ifndef yystpcpy
1098#  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
1099#   define yystpcpy stpcpy
1100#  else
1101/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
1102   YYDEST.  */
1103#if (defined __STDC__ || defined __C99__FUNC__ \
1104     || defined __cplusplus || defined _MSC_VER)
1105static char *
1106yystpcpy (char *yydest, const char *yysrc)
1107#else
1108static char *
1109yystpcpy (yydest, yysrc)
1110    char *yydest;
1111    const char *yysrc;
1112#endif
1113{
1114  char *yyd = yydest;
1115  const char *yys = yysrc;
1116
1117  while ((*yyd++ = *yys++) != '\0')
1118    continue;
1119
1120  return yyd - 1;
1121}
1122#  endif
1123# endif
1124
1125# ifndef yytnamerr
1126/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
1127   quotes and backslashes, so that it's suitable for yyerror.  The
1128   heuristic is that double-quoting is unnecessary unless the string
1129   contains an apostrophe, a comma, or backslash (other than
1130   backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
1131   null, do not copy; instead, return the length of what the result
1132   would have been.  */
1133static YYSIZE_T
1134yytnamerr (char *yyres, const char *yystr)
1135{
1136  if (*yystr == '"')
1137    {
1138      YYSIZE_T yyn = 0;
1139      char const *yyp = yystr;
1140
1141      for (;;)
1142	switch (*++yyp)
1143	  {
1144	  case '\'':
1145	  case ',':
1146	    goto do_not_strip_quotes;
1147
1148	  case '\\':
1149	    if (*++yyp != '\\')
1150	      goto do_not_strip_quotes;
1151	    /* Fall through.  */
1152	  default:
1153	    if (yyres)
1154	      yyres[yyn] = *yyp;
1155	    yyn++;
1156	    break;
1157
1158	  case '"':
1159	    if (yyres)
1160	      yyres[yyn] = '\0';
1161	    return yyn;
1162	  }
1163    do_not_strip_quotes: ;
1164    }
1165
1166  if (! yyres)
1167    return yystrlen (yystr);
1168
1169  return yystpcpy (yyres, yystr) - yyres;
1170}
1171# endif
1172
1173/* Copy into YYRESULT an error message about the unexpected token
1174   YYCHAR while in state YYSTATE.  Return the number of bytes copied,
1175   including the terminating null byte.  If YYRESULT is null, do not
1176   copy anything; just return the number of bytes that would be
1177   copied.  As a special case, return 0 if an ordinary "syntax error"
1178   message will do.  Return YYSIZE_MAXIMUM if overflow occurs during
1179   size calculation.  */
1180static YYSIZE_T
1181yysyntax_error (char *yyresult, int yystate, int yychar)
1182{
1183  int yyn = yypact[yystate];
1184
1185  if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
1186    return 0;
1187  else
1188    {
1189      int yytype = YYTRANSLATE (yychar);
1190      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
1191      YYSIZE_T yysize = yysize0;
1192      YYSIZE_T yysize1;
1193      int yysize_overflow = 0;
1194      enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
1195      char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
1196      int yyx;
1197
1198# if 0
1199      /* This is so xgettext sees the translatable formats that are
1200	 constructed on the fly.  */
1201      YY_("syntax error, unexpected %s");
1202      YY_("syntax error, unexpected %s, expecting %s");
1203      YY_("syntax error, unexpected %s, expecting %s or %s");
1204      YY_("syntax error, unexpected %s, expecting %s or %s or %s");
1205      YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
1206# endif
1207      char *yyfmt;
1208      char const *yyf;
1209      static char const yyunexpected[] = "syntax error, unexpected %s";
1210      static char const yyexpecting[] = ", expecting %s";
1211      static char const yyor[] = " or %s";
1212      char yyformat[sizeof yyunexpected
1213		    + sizeof yyexpecting - 1
1214		    + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
1215		       * (sizeof yyor - 1))];
1216      char const *yyprefix = yyexpecting;
1217
1218      /* Start YYX at -YYN if negative to avoid negative indexes in
1219	 YYCHECK.  */
1220      int yyxbegin = yyn < 0 ? -yyn : 0;
1221
1222      /* Stay within bounds of both yycheck and yytname.  */
1223      int yychecklim = YYLAST - yyn + 1;
1224      int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
1225      int yycount = 1;
1226
1227      yyarg[0] = yytname[yytype];
1228      yyfmt = yystpcpy (yyformat, yyunexpected);
1229
1230      for (yyx = yyxbegin; yyx < yyxend; ++yyx)
1231	if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
1232	  {
1233	    if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
1234	      {
1235		yycount = 1;
1236		yysize = yysize0;
1237		yyformat[sizeof yyunexpected - 1] = '\0';
1238		break;
1239	      }
1240	    yyarg[yycount++] = yytname[yyx];
1241	    yysize1 = yysize + yytnamerr (0, yytname[yyx]);
1242	    yysize_overflow |= (yysize1 < yysize);
1243	    yysize = yysize1;
1244	    yyfmt = yystpcpy (yyfmt, yyprefix);
1245	    yyprefix = yyor;
1246	  }
1247
1248      yyf = YY_(yyformat);
1249      yysize1 = yysize + yystrlen (yyf);
1250      yysize_overflow |= (yysize1 < yysize);
1251      yysize = yysize1;
1252
1253      if (yysize_overflow)
1254	return YYSIZE_MAXIMUM;
1255
1256      if (yyresult)
1257	{
1258	  /* Avoid sprintf, as that infringes on the user's name space.
1259	     Don't have undefined behavior even if the translation
1260	     produced a string with the wrong number of "%s"s.  */
1261	  char *yyp = yyresult;
1262	  int yyi = 0;
1263	  while ((*yyp = *yyf) != '\0')
1264	    {
1265	      if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
1266		{
1267		  yyp += yytnamerr (yyp, yyarg[yyi++]);
1268		  yyf += 2;
1269		}
1270	      else
1271		{
1272		  yyp++;
1273		  yyf++;
1274		}
1275	    }
1276	}
1277      return yysize;
1278    }
1279}
1280#endif /* YYERROR_VERBOSE */
1281
1282
1283/*-----------------------------------------------.
1284| Release the memory associated to this symbol.  |
1285`-----------------------------------------------*/
1286
1287/*ARGSUSED*/
1288#if (defined __STDC__ || defined __C99__FUNC__ \
1289     || defined __cplusplus || defined _MSC_VER)
1290static void
1291yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
1292#else
1293static void
1294yydestruct (yymsg, yytype, yyvaluep)
1295    const char *yymsg;
1296    int yytype;
1297    YYSTYPE *yyvaluep;
1298#endif
1299{
1300  YYUSE (yyvaluep);
1301
1302  if (!yymsg)
1303    yymsg = "Deleting";
1304  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
1305
1306  switch (yytype)
1307    {
1308      case 53: /* "choice_entry" */
1309
1310	{
1311	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
1312		(yyvaluep->menu)->file->name, (yyvaluep->menu)->lineno);
1313	if (current_menu == (yyvaluep->menu))
1314		menu_end_menu();
1315};
1316
1317	break;
1318      case 59: /* "if_entry" */
1319
1320	{
1321	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
1322		(yyvaluep->menu)->file->name, (yyvaluep->menu)->lineno);
1323	if (current_menu == (yyvaluep->menu))
1324		menu_end_menu();
1325};
1326
1327	break;
1328      case 65: /* "menu_entry" */
1329
1330	{
1331	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
1332		(yyvaluep->menu)->file->name, (yyvaluep->menu)->lineno);
1333	if (current_menu == (yyvaluep->menu))
1334		menu_end_menu();
1335};
1336
1337	break;
1338
1339      default:
1340	break;
1341    }
1342}
1343
1344/* Prevent warnings from -Wmissing-prototypes.  */
1345#ifdef YYPARSE_PARAM
1346#if defined __STDC__ || defined __cplusplus
1347int yyparse (void *YYPARSE_PARAM);
1348#else
1349int yyparse ();
1350#endif
1351#else /* ! YYPARSE_PARAM */
1352#if defined __STDC__ || defined __cplusplus
1353int yyparse (void);
1354#else
1355int yyparse ();
1356#endif
1357#endif /* ! YYPARSE_PARAM */
1358
1359
1360/* The lookahead symbol.  */
1361int yychar;
1362
1363/* The semantic value of the lookahead symbol.  */
1364YYSTYPE yylval;
1365
1366/* Number of syntax errors so far.  */
1367int yynerrs;
1368
1369
1370
1371/*-------------------------.
1372| yyparse or yypush_parse.  |
1373`-------------------------*/
1374
1375#ifdef YYPARSE_PARAM
1376#if (defined __STDC__ || defined __C99__FUNC__ \
1377     || defined __cplusplus || defined _MSC_VER)
1378int
1379yyparse (void *YYPARSE_PARAM)
1380#else
1381int
1382yyparse (YYPARSE_PARAM)
1383    void *YYPARSE_PARAM;
1384#endif
1385#else /* ! YYPARSE_PARAM */
1386#if (defined __STDC__ || defined __C99__FUNC__ \
1387     || defined __cplusplus || defined _MSC_VER)
1388int
1389yyparse (void)
1390#else
1391int
1392yyparse ()
1393
1394#endif
1395#endif
1396{
1397
1398
1399    int yystate;
1400    /* Number of tokens to shift before error messages enabled.  */
1401    int yyerrstatus;
1402
1403    /* The stacks and their tools:
1404       `yyss': related to states.
1405       `yyvs': related to semantic values.
1406
1407       Refer to the stacks thru separate pointers, to allow yyoverflow
1408       to reallocate them elsewhere.  */
1409
1410    /* The state stack.  */
1411    yytype_int16 yyssa[YYINITDEPTH];
1412    yytype_int16 *yyss;
1413    yytype_int16 *yyssp;
1414
1415    /* The semantic value stack.  */
1416    YYSTYPE yyvsa[YYINITDEPTH];
1417    YYSTYPE *yyvs;
1418    YYSTYPE *yyvsp;
1419
1420    YYSIZE_T yystacksize;
1421
1422  int yyn;
1423  int yyresult;
1424  /* Lookahead token as an internal (translated) token number.  */
1425  int yytoken;
1426  /* The variables used to return semantic value and location from the
1427     action routines.  */
1428  YYSTYPE yyval;
1429
1430#if YYERROR_VERBOSE
1431  /* Buffer for error messages, and its allocated size.  */
1432  char yymsgbuf[128];
1433  char *yymsg = yymsgbuf;
1434  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
1435#endif
1436
1437#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
1438
1439  /* The number of symbols on the RHS of the reduced rule.
1440     Keep to zero when no symbol should be popped.  */
1441  int yylen = 0;
1442
1443  yytoken = 0;
1444  yyss = yyssa;
1445  yyvs = yyvsa;
1446  yystacksize = YYINITDEPTH;
1447
1448  YYDPRINTF ((stderr, "Starting parse\n"));
1449
1450  yystate = 0;
1451  yyerrstatus = 0;
1452  yynerrs = 0;
1453  yychar = YYEMPTY; /* Cause a token to be read.  */
1454
1455  /* Initialize stack pointers.
1456     Waste one element of value and location stack
1457     so that they stay on the same level as the state stack.
1458     The wasted elements are never initialized.  */
1459  yyssp = yyss;
1460  yyvsp = yyvs;
1461
1462  goto yysetstate;
1463
1464/*------------------------------------------------------------.
1465| yynewstate -- Push a new state, which is found in yystate.  |
1466`------------------------------------------------------------*/
1467 yynewstate:
1468  /* In all cases, when you get here, the value and location stacks
1469     have just been pushed.  So pushing a state here evens the stacks.  */
1470  yyssp++;
1471
1472 yysetstate:
1473  *yyssp = yystate;
1474
1475  if (yyss + yystacksize - 1 <= yyssp)
1476    {
1477      /* Get the current used size of the three stacks, in elements.  */
1478      YYSIZE_T yysize = yyssp - yyss + 1;
1479
1480#ifdef yyoverflow
1481      {
1482	/* Give user a chance to reallocate the stack.  Use copies of
1483	   these so that the &'s don't force the real ones into
1484	   memory.  */
1485	YYSTYPE *yyvs1 = yyvs;
1486	yytype_int16 *yyss1 = yyss;
1487
1488	/* Each stack pointer address is followed by the size of the
1489	   data in use in that stack, in bytes.  This used to be a
1490	   conditional around just the two extra args, but that might
1491	   be undefined if yyoverflow is a macro.  */
1492	yyoverflow (YY_("memory exhausted"),
1493		    &yyss1, yysize * sizeof (*yyssp),
1494		    &yyvs1, yysize * sizeof (*yyvsp),
1495		    &yystacksize);
1496
1497	yyss = yyss1;
1498	yyvs = yyvs1;
1499      }
1500#else /* no yyoverflow */
1501# ifndef YYSTACK_RELOCATE
1502      goto yyexhaustedlab;
1503# else
1504      /* Extend the stack our own way.  */
1505      if (YYMAXDEPTH <= yystacksize)
1506	goto yyexhaustedlab;
1507      yystacksize *= 2;
1508      if (YYMAXDEPTH < yystacksize)
1509	yystacksize = YYMAXDEPTH;
1510
1511      {
1512	yytype_int16 *yyss1 = yyss;
1513	union yyalloc *yyptr =
1514	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
1515	if (! yyptr)
1516	  goto yyexhaustedlab;
1517	YYSTACK_RELOCATE (yyss_alloc, yyss);
1518	YYSTACK_RELOCATE (yyvs_alloc, yyvs);
1519#  undef YYSTACK_RELOCATE
1520	if (yyss1 != yyssa)
1521	  YYSTACK_FREE (yyss1);
1522      }
1523# endif
1524#endif /* no yyoverflow */
1525
1526      yyssp = yyss + yysize - 1;
1527      yyvsp = yyvs + yysize - 1;
1528
1529      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
1530		  (unsigned long int) yystacksize));
1531
1532      if (yyss + yystacksize - 1 <= yyssp)
1533	YYABORT;
1534    }
1535
1536  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
1537
1538  if (yystate == YYFINAL)
1539    YYACCEPT;
1540
1541  goto yybackup;
1542
1543/*-----------.
1544| yybackup.  |
1545`-----------*/
1546yybackup:
1547
1548  /* Do appropriate processing given the current state.  Read a
1549     lookahead token if we need one and don't already have one.  */
1550
1551  /* First try to decide what to do without reference to lookahead token.  */
1552  yyn = yypact[yystate];
1553  if (yyn == YYPACT_NINF)
1554    goto yydefault;
1555
1556  /* Not known => get a lookahead token if don't already have one.  */
1557
1558  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
1559  if (yychar == YYEMPTY)
1560    {
1561      YYDPRINTF ((stderr, "Reading a token: "));
1562      yychar = YYLEX;
1563    }
1564
1565  if (yychar <= YYEOF)
1566    {
1567      yychar = yytoken = YYEOF;
1568      YYDPRINTF ((stderr, "Now at end of input.\n"));
1569    }
1570  else
1571    {
1572      yytoken = YYTRANSLATE (yychar);
1573      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
1574    }
1575
1576  /* If the proper action on seeing token YYTOKEN is to reduce or to
1577     detect an error, take that action.  */
1578  yyn += yytoken;
1579  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
1580    goto yydefault;
1581  yyn = yytable[yyn];
1582  if (yyn <= 0)
1583    {
1584      if (yyn == 0 || yyn == YYTABLE_NINF)
1585	goto yyerrlab;
1586      yyn = -yyn;
1587      goto yyreduce;
1588    }
1589
1590  /* Count tokens shifted since error; after three, turn off error
1591     status.  */
1592  if (yyerrstatus)
1593    yyerrstatus--;
1594
1595  /* Shift the lookahead token.  */
1596  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
1597
1598  /* Discard the shifted token.  */
1599  yychar = YYEMPTY;
1600
1601  yystate = yyn;
1602  *++yyvsp = yylval;
1603
1604  goto yynewstate;
1605
1606
1607/*-----------------------------------------------------------.
1608| yydefault -- do the default action for the current state.  |
1609`-----------------------------------------------------------*/
1610yydefault:
1611  yyn = yydefact[yystate];
1612  if (yyn == 0)
1613    goto yyerrlab;
1614  goto yyreduce;
1615
1616
1617/*-----------------------------.
1618| yyreduce -- Do a reduction.  |
1619`-----------------------------*/
1620yyreduce:
1621  /* yyn is the number of a rule to reduce with.  */
1622  yylen = yyr2[yyn];
1623
1624  /* If YYLEN is nonzero, implement the default value of the action:
1625     `$$ = $1'.
1626
1627     Otherwise, the following line sets YYVAL to garbage.
1628     This behavior is undocumented and Bison
1629     users should not rely upon it.  Assigning to YYVAL
1630     unconditionally makes the parser a bit smaller, and it avoids a
1631     GCC warning that YYVAL may be used uninitialized.  */
1632  yyval = yyvsp[1-yylen];
1633
1634
1635  YY_REDUCE_PRINT (yyn);
1636  switch (yyn)
1637    {
1638        case 10:
1639
1640    { zconf_error("unexpected end statement"); ;}
1641    break;
1642
1643  case 11:
1644
1645    { zconf_error("unknown statement \"%s\"", (yyvsp[(2) - (4)].string)); ;}
1646    break;
1647
1648  case 12:
1649
1650    {
1651	zconf_error("unexpected option \"%s\"", kconf_id_strings + (yyvsp[(2) - (4)].id)->name);
1652;}
1653    break;
1654
1655  case 13:
1656
1657    { zconf_error("invalid statement"); ;}
1658    break;
1659
1660  case 28:
1661
1662    { zconf_error("unknown option \"%s\"", (yyvsp[(1) - (3)].string)); ;}
1663    break;
1664
1665  case 29:
1666
1667    { zconf_error("invalid option"); ;}
1668    break;
1669
1670  case 30:
1671
1672    {
1673	struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0);
1674	sym->flags |= SYMBOL_OPTIONAL;
1675	menu_add_entry(sym);
1676	printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), (yyvsp[(2) - (3)].string));
1677;}
1678    break;
1679
1680  case 31:
1681
1682    {
1683	menu_end_entry();
1684	printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
1685;}
1686    break;
1687
1688  case 32:
1689
1690    {
1691	struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0);
1692	sym->flags |= SYMBOL_OPTIONAL;
1693	menu_add_entry(sym);
1694	printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), (yyvsp[(2) - (3)].string));
1695;}
1696    break;
1697
1698  case 33:
1699
1700    {
1701	if (current_entry->prompt)
1702		current_entry->prompt->type = P_MENU;
1703	else
1704		zconfprint("warning: menuconfig statement without prompt");
1705	menu_end_entry();
1706	printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
1707;}
1708    break;
1709
1710  case 41:
1711
1712    {
1713	menu_set_type((yyvsp[(1) - (3)].id)->stype);
1714	printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
1715		zconf_curname(), zconf_lineno(),
1716		(yyvsp[(1) - (3)].id)->stype);
1717;}
1718    break;
1719
1720  case 42:
1721
1722    {
1723	menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr));
1724	printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
1725;}
1726    break;
1727
1728  case 43:
1729
1730    {
1731	menu_add_expr(P_DEFAULT, (yyvsp[(2) - (4)].expr), (yyvsp[(3) - (4)].expr));
1732	if ((yyvsp[(1) - (4)].id)->stype != S_UNKNOWN)
1733		menu_set_type((yyvsp[(1) - (4)].id)->stype);
1734	printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
1735		zconf_curname(), zconf_lineno(),
1736		(yyvsp[(1) - (4)].id)->stype);
1737;}
1738    break;
1739
1740  case 44:
1741
1742    {
1743	menu_add_symbol(P_SELECT, sym_lookup((yyvsp[(2) - (4)].string), 0), (yyvsp[(3) - (4)].expr));
1744	printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
1745;}
1746    break;
1747
1748  case 45:
1749
1750    {
1751	menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,(yyvsp[(2) - (5)].symbol), (yyvsp[(3) - (5)].symbol)), (yyvsp[(4) - (5)].expr));
1752	printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
1753;}
1754    break;
1755
1756  case 48:
1757
1758    {
1759	const struct kconf_id *id = kconf_id_lookup((yyvsp[(2) - (3)].string), strlen((yyvsp[(2) - (3)].string)));
1760	if (id && id->flags & TF_OPTION)
1761		menu_add_option(id->token, (yyvsp[(3) - (3)].string));
1762	else
1763		zconfprint("warning: ignoring unknown option %s", (yyvsp[(2) - (3)].string));
1764	free((yyvsp[(2) - (3)].string));
1765;}
1766    break;
1767
1768  case 49:
1769
1770    { (yyval.string) = NULL; ;}
1771    break;
1772
1773  case 50:
1774
1775    { (yyval.string) = (yyvsp[(2) - (2)].string); ;}
1776    break;
1777
1778  case 51:
1779
1780    {
1781	struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), SYMBOL_CHOICE);
1782	sym->flags |= SYMBOL_AUTO;
1783	menu_add_entry(sym);
1784	menu_add_expr(P_CHOICE, NULL, NULL);
1785	printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
1786;}
1787    break;
1788
1789  case 52:
1790
1791    {
1792	(yyval.menu) = menu_add_menu();
1793;}
1794    break;
1795
1796  case 53:
1797
1798    {
1799	if (zconf_endtoken((yyvsp[(1) - (1)].id), T_CHOICE, T_ENDCHOICE)) {
1800		menu_end_menu();
1801		printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
1802	}
1803;}
1804    break;
1805
1806  case 61:
1807
1808    {
1809	menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr));
1810	printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
1811;}
1812    break;
1813
1814  case 62:
1815
1816    {
1817	if ((yyvsp[(1) - (3)].id)->stype == S_BOOLEAN || (yyvsp[(1) - (3)].id)->stype == S_TRISTATE) {
1818		menu_set_type((yyvsp[(1) - (3)].id)->stype);
1819		printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
1820			zconf_curname(), zconf_lineno(),
1821			(yyvsp[(1) - (3)].id)->stype);
1822	} else
1823		YYERROR;
1824;}
1825    break;
1826
1827  case 63:
1828
1829    {
1830	current_entry->sym->flags |= SYMBOL_OPTIONAL;
1831	printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
1832;}
1833    break;
1834
1835  case 64:
1836
1837    {
1838	if ((yyvsp[(1) - (4)].id)->stype == S_UNKNOWN) {
1839		menu_add_symbol(P_DEFAULT, sym_lookup((yyvsp[(2) - (4)].string), 0), (yyvsp[(3) - (4)].expr));
1840		printd(DEBUG_PARSE, "%s:%d:default\n",
1841			zconf_curname(), zconf_lineno());
1842	} else
1843		YYERROR;
1844;}
1845    break;
1846
1847  case 67:
1848
1849    {
1850	printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
1851	menu_add_entry(NULL);
1852	menu_add_dep((yyvsp[(2) - (3)].expr));
1853	(yyval.menu) = menu_add_menu();
1854;}
1855    break;
1856
1857  case 68:
1858
1859    {
1860	if (zconf_endtoken((yyvsp[(1) - (1)].id), T_IF, T_ENDIF)) {
1861		menu_end_menu();
1862		printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
1863	}
1864;}
1865    break;
1866
1867  case 74:
1868
1869    {
1870	menu_add_prompt(P_MENU, (yyvsp[(2) - (3)].string), NULL);
1871;}
1872    break;
1873
1874  case 75:
1875
1876    {
1877	menu_add_entry(NULL);
1878	menu_add_prompt(P_MENU, (yyvsp[(2) - (3)].string), NULL);
1879	printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
1880;}
1881    break;
1882
1883  case 76:
1884
1885    {
1886	(yyval.menu) = menu_add_menu();
1887;}
1888    break;
1889
1890  case 77:
1891
1892    {
1893	if (zconf_endtoken((yyvsp[(1) - (1)].id), T_MENU, T_ENDMENU)) {
1894		menu_end_menu();
1895		printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
1896	}
1897;}
1898    break;
1899
1900  case 83:
1901
1902    {
1903	printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), (yyvsp[(2) - (3)].string));
1904	zconf_nextfile((yyvsp[(2) - (3)].string));
1905;}
1906    break;
1907
1908  case 84:
1909
1910    {
1911	menu_add_entry(NULL);
1912	menu_add_prompt(P_COMMENT, (yyvsp[(2) - (3)].string), NULL);
1913	printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
1914;}
1915    break;
1916
1917  case 85:
1918
1919    {
1920	menu_end_entry();
1921;}
1922    break;
1923
1924  case 86:
1925
1926    {
1927	printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
1928	zconf_starthelp();
1929;}
1930    break;
1931
1932  case 87:
1933
1934    {
1935	current_entry->help = (yyvsp[(2) - (2)].string);
1936;}
1937    break;
1938
1939  case 92:
1940
1941    {
1942	menu_add_dep((yyvsp[(3) - (4)].expr));
1943	printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
1944;}
1945    break;
1946
1947  case 96:
1948
1949    {
1950	menu_add_visibility((yyvsp[(2) - (2)].expr));
1951;}
1952    break;
1953
1954  case 98:
1955
1956    {
1957	menu_add_prompt(P_PROMPT, (yyvsp[(1) - (2)].string), (yyvsp[(2) - (2)].expr));
1958;}
1959    break;
1960
1961  case 101:
1962
1963    { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
1964    break;
1965
1966  case 102:
1967
1968    { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
1969    break;
1970
1971  case 103:
1972
1973    { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
1974    break;
1975
1976  case 106:
1977
1978    { (yyval.expr) = NULL; ;}
1979    break;
1980
1981  case 107:
1982
1983    { (yyval.expr) = (yyvsp[(2) - (2)].expr); ;}
1984    break;
1985
1986  case 108:
1987
1988    { (yyval.expr) = expr_alloc_symbol((yyvsp[(1) - (1)].symbol)); ;}
1989    break;
1990
1991  case 109:
1992
1993    { (yyval.expr) = expr_alloc_comp(E_EQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;}
1994    break;
1995
1996  case 110:
1997
1998    { (yyval.expr) = expr_alloc_comp(E_UNEQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;}
1999    break;
2000
2001  case 111:
2002
2003    { (yyval.expr) = (yyvsp[(2) - (3)].expr); ;}
2004    break;
2005
2006  case 112:
2007
2008    { (yyval.expr) = expr_alloc_one(E_NOT, (yyvsp[(2) - (2)].expr)); ;}
2009    break;
2010
2011  case 113:
2012
2013    { (yyval.expr) = expr_alloc_two(E_OR, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;}
2014    break;
2015
2016  case 114:
2017
2018    { (yyval.expr) = expr_alloc_two(E_AND, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;}
2019    break;
2020
2021  case 115:
2022
2023    { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), 0); free((yyvsp[(1) - (1)].string)); ;}
2024    break;
2025
2026  case 116:
2027
2028    { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), SYMBOL_CONST); free((yyvsp[(1) - (1)].string)); ;}
2029    break;
2030
2031  case 117:
2032
2033    { (yyval.string) = NULL; ;}
2034    break;
2035
2036
2037
2038      default: break;
2039    }
2040  YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
2041
2042  YYPOPSTACK (yylen);
2043  yylen = 0;
2044  YY_STACK_PRINT (yyss, yyssp);
2045
2046  *++yyvsp = yyval;
2047
2048  /* Now `shift' the result of the reduction.  Determine what state
2049     that goes to, based on the state we popped back to and the rule
2050     number reduced by.  */
2051
2052  yyn = yyr1[yyn];
2053
2054  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
2055  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
2056    yystate = yytable[yystate];
2057  else
2058    yystate = yydefgoto[yyn - YYNTOKENS];
2059
2060  goto yynewstate;
2061
2062
2063/*------------------------------------.
2064| yyerrlab -- here on detecting error |
2065`------------------------------------*/
2066yyerrlab:
2067  /* If not already recovering from an error, report this error.  */
2068  if (!yyerrstatus)
2069    {
2070      ++yynerrs;
2071#if ! YYERROR_VERBOSE
2072      yyerror (YY_("syntax error"));
2073#else
2074      {
2075	YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
2076	if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
2077	  {
2078	    YYSIZE_T yyalloc = 2 * yysize;
2079	    if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
2080	      yyalloc = YYSTACK_ALLOC_MAXIMUM;
2081	    if (yymsg != yymsgbuf)
2082	      YYSTACK_FREE (yymsg);
2083	    yymsg = (char *) YYSTACK_ALLOC (yyalloc);
2084	    if (yymsg)
2085	      yymsg_alloc = yyalloc;
2086	    else
2087	      {
2088		yymsg = yymsgbuf;
2089		yymsg_alloc = sizeof yymsgbuf;
2090	      }
2091	  }
2092
2093	if (0 < yysize && yysize <= yymsg_alloc)
2094	  {
2095	    (void) yysyntax_error (yymsg, yystate, yychar);
2096	    yyerror (yymsg);
2097	  }
2098	else
2099	  {
2100	    yyerror (YY_("syntax error"));
2101	    if (yysize != 0)
2102	      goto yyexhaustedlab;
2103	  }
2104      }
2105#endif
2106    }
2107
2108
2109
2110  if (yyerrstatus == 3)
2111    {
2112      /* If just tried and failed to reuse lookahead token after an
2113	 error, discard it.  */
2114
2115      if (yychar <= YYEOF)
2116	{
2117	  /* Return failure if at end of input.  */
2118	  if (yychar == YYEOF)
2119	    YYABORT;
2120	}
2121      else
2122	{
2123	  yydestruct ("Error: discarding",
2124		      yytoken, &yylval);
2125	  yychar = YYEMPTY;
2126	}
2127    }
2128
2129  /* Else will try to reuse lookahead token after shifting the error
2130     token.  */
2131  goto yyerrlab1;
2132
2133
2134/*---------------------------------------------------.
2135| yyerrorlab -- error raised explicitly by YYERROR.  |
2136`---------------------------------------------------*/
2137yyerrorlab:
2138
2139  /* Pacify compilers like GCC when the user code never invokes
2140     YYERROR and the label yyerrorlab therefore never appears in user
2141     code.  */
2142  if (/*CONSTCOND*/ 0)
2143     goto yyerrorlab;
2144
2145  /* Do not reclaim the symbols of the rule which action triggered
2146     this YYERROR.  */
2147  YYPOPSTACK (yylen);
2148  yylen = 0;
2149  YY_STACK_PRINT (yyss, yyssp);
2150  yystate = *yyssp;
2151  goto yyerrlab1;
2152
2153
2154/*-------------------------------------------------------------.
2155| yyerrlab1 -- common code for both syntax error and YYERROR.  |
2156`-------------------------------------------------------------*/
2157yyerrlab1:
2158  yyerrstatus = 3;	/* Each real token shifted decrements this.  */
2159
2160  for (;;)
2161    {
2162      yyn = yypact[yystate];
2163      if (yyn != YYPACT_NINF)
2164	{
2165	  yyn += YYTERROR;
2166	  if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
2167	    {
2168	      yyn = yytable[yyn];
2169	      if (0 < yyn)
2170		break;
2171	    }
2172	}
2173
2174      /* Pop the current state because it cannot handle the error token.  */
2175      if (yyssp == yyss)
2176	YYABORT;
2177
2178
2179      yydestruct ("Error: popping",
2180		  yystos[yystate], yyvsp);
2181      YYPOPSTACK (1);
2182      yystate = *yyssp;
2183      YY_STACK_PRINT (yyss, yyssp);
2184    }
2185
2186  *++yyvsp = yylval;
2187
2188
2189  /* Shift the error token.  */
2190  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
2191
2192  yystate = yyn;
2193  goto yynewstate;
2194
2195
2196/*-------------------------------------.
2197| yyacceptlab -- YYACCEPT comes here.  |
2198`-------------------------------------*/
2199yyacceptlab:
2200  yyresult = 0;
2201  goto yyreturn;
2202
2203/*-----------------------------------.
2204| yyabortlab -- YYABORT comes here.  |
2205`-----------------------------------*/
2206yyabortlab:
2207  yyresult = 1;
2208  goto yyreturn;
2209
2210#if !defined(yyoverflow) || YYERROR_VERBOSE
2211/*-------------------------------------------------.
2212| yyexhaustedlab -- memory exhaustion comes here.  |
2213`-------------------------------------------------*/
2214yyexhaustedlab:
2215  yyerror (YY_("memory exhausted"));
2216  yyresult = 2;
2217  /* Fall through.  */
2218#endif
2219
2220yyreturn:
2221  if (yychar != YYEMPTY)
2222     yydestruct ("Cleanup: discarding lookahead",
2223		 yytoken, &yylval);
2224  /* Do not reclaim the symbols of the rule which action triggered
2225     this YYABORT or YYACCEPT.  */
2226  YYPOPSTACK (yylen);
2227  YY_STACK_PRINT (yyss, yyssp);
2228  while (yyssp != yyss)
2229    {
2230      yydestruct ("Cleanup: popping",
2231		  yystos[*yyssp], yyvsp);
2232      YYPOPSTACK (1);
2233    }
2234#ifndef yyoverflow
2235  if (yyss != yyssa)
2236    YYSTACK_FREE (yyss);
2237#endif
2238#if YYERROR_VERBOSE
2239  if (yymsg != yymsgbuf)
2240    YYSTACK_FREE (yymsg);
2241#endif
2242  /* Make sure YYID is used.  */
2243  return YYID (yyresult);
2244}
2245
2246
2247
2248
2249
2250void conf_parse(const char *name)
2251{
2252	struct symbol *sym;
2253	int i;
2254
2255	zconf_initscan(name);
2256
2257	sym_init();
2258	_menu_init();
2259	modules_sym = sym_lookup(NULL, 0);
2260	modules_sym->type = S_BOOLEAN;
2261	modules_sym->flags |= SYMBOL_AUTO;
2262	rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
2263
2264	if (getenv("ZCONF_DEBUG"))
2265		zconfdebug = 1;
2266	zconfparse();
2267	if (zconfnerrs)
2268		exit(1);
2269	if (!modules_sym->prop) {
2270		struct property *prop;
2271
2272		prop = prop_alloc(P_DEFAULT, modules_sym);
2273		prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
2274	}
2275
2276	rootmenu.prompt->text = _(rootmenu.prompt->text);
2277	rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
2278
2279	menu_finalize(&rootmenu);
2280	for_all_symbols(i, sym) {
2281		if (sym_check_deps(sym))
2282			zconfnerrs++;
2283        }
2284	if (zconfnerrs)
2285		exit(1);
2286	sym_set_change_count(1);
2287}
2288
2289static const char *zconf_tokenname(int token)
2290{
2291	switch (token) {
2292	case T_MENU:		return "menu";
2293	case T_ENDMENU:		return "endmenu";
2294	case T_CHOICE:		return "choice";
2295	case T_ENDCHOICE:	return "endchoice";
2296	case T_IF:		return "if";
2297	case T_ENDIF:		return "endif";
2298	case T_DEPENDS:		return "depends";
2299	case T_VISIBLE:		return "visible";
2300	}
2301	return "<token>";
2302}
2303
2304static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
2305{
2306	if (id->token != endtoken) {
2307		zconf_error("unexpected '%s' within %s block",
2308			kconf_id_strings + id->name, zconf_tokenname(starttoken));
2309		zconfnerrs++;
2310		return false;
2311	}
2312	if (current_menu->file != current_file) {
2313		zconf_error("'%s' in different file than '%s'",
2314			kconf_id_strings + id->name, zconf_tokenname(starttoken));
2315		fprintf(stderr, "%s:%d: location of the '%s'\n",
2316			current_menu->file->name, current_menu->lineno,
2317			zconf_tokenname(starttoken));
2318		zconfnerrs++;
2319		return false;
2320	}
2321	return true;
2322}
2323
2324static void zconfprint(const char *err, ...)
2325{
2326	va_list ap;
2327
2328	fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
2329	va_start(ap, err);
2330	vfprintf(stderr, err, ap);
2331	va_end(ap);
2332	fprintf(stderr, "\n");
2333}
2334
2335static void zconf_error(const char *err, ...)
2336{
2337	va_list ap;
2338
2339	zconfnerrs++;
2340	fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
2341	va_start(ap, err);
2342	vfprintf(stderr, err, ap);
2343	va_end(ap);
2344	fprintf(stderr, "\n");
2345}
2346
2347static void zconferror(const char *err)
2348{
2349	fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
2350}
2351
2352static void print_quoted_string(FILE *out, const char *str)
2353{
2354	const char *p;
2355	int len;
2356
2357	putc('"', out);
2358	while ((p = strchr(str, '"'))) {
2359		len = p - str;
2360		if (len)
2361			fprintf(out, "%.*s", len, str);
2362		fputs("\\\"", out);
2363		str = p + 1;
2364	}
2365	fputs(str, out);
2366	putc('"', out);
2367}
2368
2369static void print_symbol(FILE *out, struct menu *menu)
2370{
2371	struct symbol *sym = menu->sym;
2372	struct property *prop;
2373
2374	if (sym_is_choice(sym))
2375		fprintf(out, "\nchoice\n");
2376	else
2377		fprintf(out, "\nconfig %s\n", sym->name);
2378	switch (sym->type) {
2379	case S_BOOLEAN:
2380		fputs("  boolean\n", out);
2381		break;
2382	case S_TRISTATE:
2383		fputs("  tristate\n", out);
2384		break;
2385	case S_STRING:
2386		fputs("  string\n", out);
2387		break;
2388	case S_INT:
2389		fputs("  integer\n", out);
2390		break;
2391	case S_HEX:
2392		fputs("  hex\n", out);
2393		break;
2394	default:
2395		fputs("  ???\n", out);
2396		break;
2397	}
2398	for (prop = sym->prop; prop; prop = prop->next) {
2399		if (prop->menu != menu)
2400			continue;
2401		switch (prop->type) {
2402		case P_PROMPT:
2403			fputs("  prompt ", out);
2404			print_quoted_string(out, prop->text);
2405			if (!expr_is_yes(prop->visible.expr)) {
2406				fputs(" if ", out);
2407				expr_fprint(prop->visible.expr, out);
2408			}
2409			fputc('\n', out);
2410			break;
2411		case P_DEFAULT:
2412			fputs( "  default ", out);
2413			expr_fprint(prop->expr, out);
2414			if (!expr_is_yes(prop->visible.expr)) {
2415				fputs(" if ", out);
2416				expr_fprint(prop->visible.expr, out);
2417			}
2418			fputc('\n', out);
2419			break;
2420		case P_CHOICE:
2421			fputs("  #choice value\n", out);
2422			break;
2423		case P_SELECT:
2424			fputs( "  select ", out);
2425			expr_fprint(prop->expr, out);
2426			fputc('\n', out);
2427			break;
2428		case P_RANGE:
2429			fputs( "  range ", out);
2430			expr_fprint(prop->expr, out);
2431			fputc('\n', out);
2432			break;
2433		case P_MENU:
2434			fputs( "  menu ", out);
2435			print_quoted_string(out, prop->text);
2436			fputc('\n', out);
2437			break;
2438		default:
2439			fprintf(out, "  unknown prop %d!\n", prop->type);
2440			break;
2441		}
2442	}
2443	if (menu->help) {
2444		int len = strlen(menu->help);
2445		while (menu->help[--len] == '\n')
2446			menu->help[len] = 0;
2447		fprintf(out, "  help\n%s\n", menu->help);
2448	}
2449}
2450
2451void zconfdump(FILE *out)
2452{
2453	struct property *prop;
2454	struct symbol *sym;
2455	struct menu *menu;
2456
2457	menu = rootmenu.list;
2458	while (menu) {
2459		if ((sym = menu->sym))
2460			print_symbol(out, menu);
2461		else if ((prop = menu->prompt)) {
2462			switch (prop->type) {
2463			case P_COMMENT:
2464				fputs("\ncomment ", out);
2465				print_quoted_string(out, prop->text);
2466				fputs("\n", out);
2467				break;
2468			case P_MENU:
2469				fputs("\nmenu ", out);
2470				print_quoted_string(out, prop->text);
2471				fputs("\n", out);
2472				break;
2473			default:
2474				;
2475			}
2476			if (!expr_is_yes(prop->visible.expr)) {
2477				fputs("  depends ", out);
2478				expr_fprint(prop->visible.expr, out);
2479				fputc('\n', out);
2480			}
2481		}
2482
2483		if (menu->list)
2484			menu = menu->list;
2485		else if (menu->next)
2486			menu = menu->next;
2487		else while ((menu = menu->parent)) {
2488			if (menu->prompt && menu->prompt->type == P_MENU)
2489				fputs("\nendmenu\n", out);
2490			if (menu->next) {
2491				menu = menu->next;
2492				break;
2493			}
2494		}
2495	}
2496}
2497
2498#include "zconf.lex.c"
2499#include "util.c"
2500#include "confdata.c"
2501#include "expr.c"
2502#include "symbol.c"
2503#include "menu.c"
2504
2505