-/* A Bison parser, made by GNU Bison 1.75b. */
+/* A Bison parser, made by GNU Bison 1.875e. */
/* Skeleton parser for Yacc-like parsing with Bison,
- Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 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
PERCENT_DPREC = 270,
PERCENT_MERGE = 271,
PERCENT_DEBUG = 272,
- PERCENT_DEFINE = 273,
- PERCENT_DEFINES = 274,
- PERCENT_ERROR_VERBOSE = 275,
- PERCENT_EXPECT = 276,
- PERCENT_FILE_PREFIX = 277,
- PERCENT_GLR_PARSER = 278,
- PERCENT_LEX_PARAM = 279,
- PERCENT_LOCATIONS = 280,
- PERCENT_NAME_PREFIX = 281,
- PERCENT_NO_LINES = 282,
- PERCENT_OUTPUT = 283,
- PERCENT_PARSE_PARAM = 284,
- PERCENT_PURE_PARSER = 285,
- PERCENT_SKELETON = 286,
- PERCENT_START = 287,
- PERCENT_TOKEN_TABLE = 288,
- PERCENT_VERBOSE = 289,
- PERCENT_YACC = 290,
- TYPE = 291,
- EQUAL = 292,
- SEMICOLON = 293,
- COLON = 294,
- COMMA = 295,
- PIPE = 296,
- ID = 297,
- PERCENT_PERCENT = 298,
- PROLOGUE = 299,
- EPILOGUE = 300,
- BRACED_CODE = 301
+ PERCENT_DEFAULT_PREC = 273,
+ PERCENT_DEFINE = 274,
+ PERCENT_DEFINES = 275,
+ PERCENT_ERROR_VERBOSE = 276,
+ PERCENT_EXPECT = 277,
+ PERCENT_EXPECT_RR = 278,
+ PERCENT_FILE_PREFIX = 279,
+ PERCENT_GLR_PARSER = 280,
+ PERCENT_INITIAL_ACTION = 281,
+ PERCENT_LEX_PARAM = 282,
+ PERCENT_LOCATIONS = 283,
+ PERCENT_NAME_PREFIX = 284,
+ PERCENT_NO_DEFAULT_PREC = 285,
+ PERCENT_NO_LINES = 286,
+ PERCENT_NONDETERMINISTIC_PARSER = 287,
+ PERCENT_OUTPUT = 288,
+ PERCENT_PARSE_PARAM = 289,
+ PERCENT_PURE_PARSER = 290,
+ PERCENT_SKELETON = 291,
+ PERCENT_START = 292,
+ PERCENT_TOKEN_TABLE = 293,
+ PERCENT_VERBOSE = 294,
+ PERCENT_YACC = 295,
+ TYPE = 296,
+ EQUAL = 297,
+ SEMICOLON = 298,
+ PIPE = 299,
+ ID = 300,
+ ID_COLON = 301,
+ PERCENT_PERCENT = 302,
+ PROLOGUE = 303,
+ EPILOGUE = 304,
+ BRACED_CODE = 305
};
#endif
#define GRAM_EOF 0
#define PERCENT_DPREC 270
#define PERCENT_MERGE 271
#define PERCENT_DEBUG 272
-#define PERCENT_DEFINE 273
-#define PERCENT_DEFINES 274
-#define PERCENT_ERROR_VERBOSE 275
-#define PERCENT_EXPECT 276
-#define PERCENT_FILE_PREFIX 277
-#define PERCENT_GLR_PARSER 278
-#define PERCENT_LEX_PARAM 279
-#define PERCENT_LOCATIONS 280
-#define PERCENT_NAME_PREFIX 281
-#define PERCENT_NO_LINES 282
-#define PERCENT_OUTPUT 283
-#define PERCENT_PARSE_PARAM 284
-#define PERCENT_PURE_PARSER 285
-#define PERCENT_SKELETON 286
-#define PERCENT_START 287
-#define PERCENT_TOKEN_TABLE 288
-#define PERCENT_VERBOSE 289
-#define PERCENT_YACC 290
-#define TYPE 291
-#define EQUAL 292
-#define SEMICOLON 293
-#define COLON 294
-#define COMMA 295
-#define PIPE 296
-#define ID 297
-#define PERCENT_PERCENT 298
-#define PROLOGUE 299
-#define EPILOGUE 300
-#define BRACED_CODE 301
+#define PERCENT_DEFAULT_PREC 273
+#define PERCENT_DEFINE 274
+#define PERCENT_DEFINES 275
+#define PERCENT_ERROR_VERBOSE 276
+#define PERCENT_EXPECT 277
+#define PERCENT_EXPECT_RR 278
+#define PERCENT_FILE_PREFIX 279
+#define PERCENT_GLR_PARSER 280
+#define PERCENT_INITIAL_ACTION 281
+#define PERCENT_LEX_PARAM 282
+#define PERCENT_LOCATIONS 283
+#define PERCENT_NAME_PREFIX 284
+#define PERCENT_NO_DEFAULT_PREC 285
+#define PERCENT_NO_LINES 286
+#define PERCENT_NONDETERMINISTIC_PARSER 287
+#define PERCENT_OUTPUT 288
+#define PERCENT_PARSE_PARAM 289
+#define PERCENT_PURE_PARSER 290
+#define PERCENT_SKELETON 291
+#define PERCENT_START 292
+#define PERCENT_TOKEN_TABLE 293
+#define PERCENT_VERBOSE 294
+#define PERCENT_YACC 295
+#define TYPE 296
+#define EQUAL 297
+#define SEMICOLON 298
+#define PIPE 299
+#define ID 300
+#define ID_COLON 301
+#define PERCENT_PERCENT 302
+#define PROLOGUE 303
+#define EPILOGUE 304
+#define BRACED_CODE 305
/* Copy the first part of user declarations. */
-#line 31 "parse-gram.y"
+#line 1 "parse-gram.y"
+/* Bison Grammar Parser -*- C -*-
+
+ Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+
+ This file is part of Bison, the GNU Compiler Compiler.
+
+ 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 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., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA
+*/
#include "system.h"
+
#include "complain.h"
-#include "muscle_tab.h"
+#include "conflicts.h"
#include "files.h"
#include "getargs.h"
-#include "output.h"
-#include "symlist.h"
#include "gram.h"
+#include "muscle_tab.h"
+#include "output.h"
#include "reader.h"
-#include "conflicts.h"
-
-/* Produce verbose parse errors. */
-#define YYERROR_VERBOSE 1
-#define YYLLOC_DEFAULT(Current, Rhs, N) \
-do { \
- if (N) \
- { \
- Current.first_column = Rhs[1].first_column; \
- Current.first_line = Rhs[1].first_line; \
- Current.last_column = Rhs[N].last_column; \
- Current.last_line = Rhs[N].last_line; \
- } \
- else \
- { \
- Current = Rhs[0]; \
- } \
-} while (0)
+#include "symlist.h"
-/* Pass the control structure to YYPARSE and YYLEX. */
-#define YYPARSE_PARAM gram_control
-#define YYLEX_PARAM gram_control
-/* YYPARSE receives GRAM_CONTROL as a void *. Provide a
- correctly typed access to it. */
-#define yycontrol ((gram_control_t *) gram_control)
+#define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N)
+static YYLTYPE lloc_default (YYLTYPE const *, int);
-/* Request detailed parse error messages, and pass them to GRAM_ERROR.
- FIXME: depends on the undocumented availability of YYLLOC.t */
+/* Request detailed syntax error messages, and pass them to GRAM_ERROR.
+ FIXME: depends on the undocumented availability of YYLLOC. */
#undef yyerror
#define yyerror(Msg) \
gram_error (&yylloc, Msg)
+static void gram_error (location const *, char const *);
#define YYPRINT(File, Type, Value) \
- yyprint (File, Type, &Value)
-static void yyprint (FILE *file, int type, const yystype *value);
+ print_token_value (File, Type, &Value)
+static void print_token_value (FILE *, int, YYSTYPE const *);
+
+static void add_param (char const *, char *, location);
symbol_class current_class = unknown_sym;
-char *current_type = 0;
-symbol_t *current_lhs;
-location_t current_lhs_location;
-assoc_t current_assoc;
+uniqstr current_type = 0;
+symbol *current_lhs;
+location current_lhs_location;
+assoc current_assoc;
int current_prec = 0;
-braced_code_t current_braced_code = action_braced_code;
/* Enabling traces. */
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
-# define YYERROR_VERBOSE 0
+# define YYERROR_VERBOSE 1
#endif
-#ifndef YYSTYPE
-#line 89 "parse-gram.y"
-typedef union {
- symbol_t *symbol;
- symbol_list_t *list;
+#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
+#line 78 "parse-gram.y"
+typedef union YYSTYPE {
+ symbol *symbol;
+ symbol_list *list;
int integer;
- char *string;
- assoc_t assoc;
-} yystype;
-/* Line 212 of /tmp/prefix/share/bison/yacc.c. */
-#line 241 "parse-gram.c"
-# define YYSTYPE yystype
+ char *chars;
+ assoc assoc;
+ uniqstr uniqstr;
+} YYSTYPE;
+/* Line 191 of yacc.c. */
+#line 254 "parse-gram.c"
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
# define YYSTYPE_IS_TRIVIAL 1
#endif
-#ifndef YYLTYPE
-typedef struct yyltype
+#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
+typedef struct YYLTYPE
{
int first_line;
int first_column;
int last_line;
int last_column;
-} yyltype;
-# define YYLTYPE yyltype
+} YYLTYPE;
+# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
+# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
#endif
+
/* Copy the second part of user declarations. */
-/* Line 232 of /tmp/prefix/share/bison/yacc.c. */
-#line 262 "parse-gram.c"
+/* Line 214 of yacc.c. */
+#line 278 "parse-gram.c"
#if ! defined (yyoverflow) || YYERROR_VERBOSE
+# ifndef YYFREE
+# define YYFREE free
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# endif
+
/* The parser invokes alloca or malloc; define the necessary symbols. */
-# if YYSTACK_USE_ALLOCA
-# define YYSTACK_ALLOC alloca
+# ifdef YYSTACK_USE_ALLOCA
+# if YYSTACK_USE_ALLOCA
+# define YYSTACK_ALLOC alloca
+# endif
# else
-# ifndef YYSTACK_USE_ALLOCA
-# if defined (alloca) || defined (_ALLOCA_H)
-# define YYSTACK_ALLOC alloca
-# else
-# ifdef __GNUC__
-# define YYSTACK_ALLOC __builtin_alloca
-# endif
+# if defined (alloca) || defined (_ALLOCA_H)
+# define YYSTACK_ALLOC alloca
+# else
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
# endif
# endif
# endif
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# endif
-# define YYSTACK_ALLOC malloc
-# define YYSTACK_FREE free
+# define YYSTACK_ALLOC YYMALLOC
+# define YYSTACK_FREE YYFREE
# endif
#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
#if (! defined (yyoverflow) \
&& (! defined (__cplusplus) \
- || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+ || (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \
+ && defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
{
- short yyss;
+ short int yyss;
YYSTYPE yyvs;
YYLTYPE yyls;
};
/* The size of the maximum gap between one aligned stack and the next. */
-# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
+# 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 (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
- + 2 * YYSTACK_GAP_MAX)
+ ((N) * (sizeof (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+ + 2 * YYSTACK_GAP_MAXIMUM)
/* Copy COUNT objects from FROM to TO. The source and destination do
not overlap. */
# ifndef YYCOPY
-# if 1 < __GNUC__
+# if defined (__GNUC__) && 1 < __GNUC__
# define YYCOPY(To, From, Count) \
__builtin_memcpy (To, From, (Count) * sizeof (*(From)))
# else
{ \
register YYSIZE_T yyi; \
for (yyi = 0; yyi < (Count); yyi++) \
- (To)[yyi] = (From)[yyi]; \
+ (To)[yyi] = (From)[yyi]; \
} \
while (0)
# endif
YYSIZE_T yynewbytes; \
YYCOPY (&yyptr->Stack, Stack, yysize); \
Stack = &yyptr->Stack; \
- yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
while (0)
#if defined (__STDC__) || defined (__cplusplus)
typedef signed char yysigned_char;
#else
- typedef short yysigned_char;
+ typedef short int yysigned_char;
#endif
/* YYFINAL -- State number of the termination state. */
#define YYFINAL 3
/* YYLAST -- Last index in YYTABLE. */
-#define YYLAST 125
+#define YYLAST 158
/* YYNTOKENS -- Number of terminals. */
-#define YYNTOKENS 47
+#define YYNTOKENS 51
/* YYNNTS -- Number of nonterminals. */
-#define YYNNTS 28
+#define YYNNTS 25
/* YYNRULES -- Number of rules. */
-#define YYNRULES 76
+#define YYNRULES 79
/* YYNRULES -- Number of states. */
-#define YYNSTATES 115
+#define YYNSTATES 108
/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
#define YYUNDEFTOK 2
-#define YYMAXUTOK 301
+#define YYMAXUTOK 305
-#define YYTRANSLATE(X) \
- ((unsigned)(X) <= YYMAXUTOK ? yytranslate[X] : YYUNDEFTOK)
+#define YYTRANSLATE(YYX) \
+ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
static const unsigned char yytranslate[] =
15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
- 45, 46
+ 45, 46, 47, 48, 49, 50
};
#if YYDEBUG
YYRHS. */
static const unsigned char yyprhs[] =
{
- 0, 0, 3, 8, 9, 13, 15, 17, 19, 23,
- 25, 27, 30, 34, 36, 41, 43, 47, 49, 53,
- 58, 60, 63, 65, 67, 69, 71, 73, 76, 79,
- 80, 85, 86, 91, 92, 96, 97, 101, 105, 109,
- 111, 113, 115, 116, 118, 120, 123, 125, 127, 130,
- 133, 137, 139, 142, 144, 147, 149, 152, 155, 156,
- 162, 164, 168, 169, 172, 175, 179, 183, 187, 189,
- 191, 193, 195, 197, 198, 201, 202
+ 0, 0, 3, 8, 9, 12, 14, 16, 18, 22,
+ 24, 26, 29, 32, 36, 38, 40, 42, 44, 48,
+ 50, 52, 56, 58, 60, 63, 65, 67, 69, 71,
+ 73, 75, 78, 80, 83, 86, 88, 90, 91, 95,
+ 96, 100, 104, 108, 110, 112, 114, 115, 117, 119,
+ 122, 124, 126, 129, 132, 136, 138, 141, 143, 146,
+ 148, 151, 154, 155, 159, 161, 165, 168, 169, 172,
+ 175, 179, 183, 187, 189, 191, 193, 195, 197, 198
};
/* YYRHS -- A `-1'-separated list of the rules' RHS. */
static const yysigned_char yyrhs[] =
{
- 48, 0, -1, 49, 43, 63, 73, -1, -1, 49,
- 50, 74, -1, 51, -1, 44, -1, 17, -1, 18,
- 72, 72, -1, 19, -1, 20, -1, 21, 4, -1,
- 22, 37, 72, -1, 23, -1, 24, 72, 40, 72,
- -1, 25, -1, 26, 37, 72, -1, 27, -1, 28,
- 37, 72, -1, 29, 72, 40, 72, -1, 30, -1,
- 31, 72, -1, 33, -1, 34, -1, 35, -1, 57,
- -1, 54, -1, 32, 69, -1, 10, 46, -1, -1,
- 8, 52, 46, 60, -1, -1, 9, 53, 46, 60,
- -1, -1, 6, 55, 62, -1, -1, 5, 56, 62,
- -1, 7, 36, 60, -1, 58, 59, 60, -1, 11,
- -1, 12, -1, 13, -1, -1, 36, -1, 69, -1,
- 60, 69, -1, 36, -1, 42, -1, 42, 4, -1,
- 42, 71, -1, 42, 4, 71, -1, 61, -1, 62,
- 61, -1, 64, -1, 63, 64, -1, 65, -1, 51,
- 38, -1, 1, 38, -1, -1, 42, 39, 66, 67,
- 38, -1, 68, -1, 67, 41, 68, -1, -1, 68,
- 69, -1, 68, 70, -1, 68, 14, 69, -1, 68,
- 15, 4, -1, 68, 16, 36, -1, 42, -1, 71,
- -1, 46, -1, 3, -1, 3, -1, -1, 43, 45,
- -1, -1, 38, -1
+ 52, 0, -1, 53, 47, 65, 75, -1, -1, 53,
+ 54, -1, 55, -1, 48, -1, 17, -1, 19, 74,
+ 74, -1, 20, -1, 21, -1, 22, 4, -1, 23,
+ 4, -1, 24, 42, 74, -1, 25, -1, 26, -1,
+ 27, -1, 28, -1, 29, 42, 74, -1, 31, -1,
+ 32, -1, 33, 42, 74, -1, 34, -1, 35, -1,
+ 36, 74, -1, 38, -1, 39, -1, 40, -1, 43,
+ -1, 59, -1, 56, -1, 37, 71, -1, 10, -1,
+ 8, 62, -1, 9, 62, -1, 18, -1, 30, -1,
+ -1, 6, 57, 64, -1, -1, 5, 58, 64, -1,
+ 7, 41, 62, -1, 60, 61, 62, -1, 11, -1,
+ 12, -1, 13, -1, -1, 41, -1, 71, -1, 62,
+ 71, -1, 41, -1, 45, -1, 45, 4, -1, 45,
+ 73, -1, 45, 4, 73, -1, 63, -1, 64, 63,
+ -1, 66, -1, 65, 66, -1, 67, -1, 55, 43,
+ -1, 1, 43, -1, -1, 46, 68, 69, -1, 70,
+ -1, 69, 44, 70, -1, 69, 43, -1, -1, 70,
+ 71, -1, 70, 72, -1, 70, 14, 71, -1, 70,
+ 15, 4, -1, 70, 16, 41, -1, 45, -1, 73,
+ -1, 50, -1, 3, -1, 3, -1, -1, 47, 49,
+ -1
};
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
-static const unsigned short yyrline[] =
+static const unsigned short int yyrline[] =
{
- 0, 167, 167, 180, 182, 185, 187, 188, 189, 190,
- 191, 192, 193, 194, 195, 197, 198, 199, 200, 201,
- 203, 204, 205, 206, 207, 210, 212, 213, 217, 224,
- 223, 234, 233, 246, 245, 251, 251, 256, 265, 280,
- 282, 283, 286, 288, 293, 295, 299, 304, 309, 315,
- 321, 331, 334, 343, 345, 351, 353, 358, 365, 364,
- 369, 371, 374, 377, 379, 381, 383, 385, 389, 391,
- 394, 400, 409, 417, 422, 428, 430
+ 0, 171, 171, 179, 181, 185, 186, 187, 188, 189,
+ 190, 191, 192, 193, 194, 199, 203, 204, 205, 206,
+ 207, 208, 209, 210, 211, 212, 213, 214, 215, 219,
+ 220, 221, 225, 231, 238, 245, 249, 256, 256, 261,
+ 261, 266, 276, 291, 292, 293, 297, 298, 304, 305,
+ 310, 314, 319, 325, 331, 342, 343, 352, 353, 359,
+ 360, 365, 372, 372, 376, 377, 378, 383, 384, 386,
+ 388, 390, 392, 397, 398, 402, 408, 417, 424, 426
};
#endif
First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] =
{
- "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
- "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor\"",
- "\"%printer\"", "\"%union\"", "\"%left\"", "\"%right\"",
- "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"",
- "\"%define\"", "\"%defines\"", "\"%error-verbose\"", "\"%expect\"",
- "\"%file-prefix\"", "\"%glr-parser\"", "\"%lex-param\"",
- "\"%locations\"", "\"%name-prefix\"", "\"%no-lines\"", "\"%output\"",
- "\"%parse-param\"", "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"",
- "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"",
- "\";\"", "\":\"", "\",\"", "\"|\"", "\"identifier\"", "\"%%\"",
- "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", "$accept", "input",
- "declarations", "declaration", "grammar_declaration", "@1", "@2",
- "symbol_declaration", "@3", "@4", "precedence_declaration",
- "precedence_declarator", "type.opt", "symbols.1", "symbol_def",
- "symbol_defs.1", "grammar", "rules_or_grammar_declaration", "rules",
- "@5", "rhses.1", "rhs", "symbol", "action", "string_as_id",
- "string_content", "epilogue.opt", "semi_colon.opt", 0
+ "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
+ "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"",
+ "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"",
+ "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"",
+ "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
+ "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",
+ "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
+ "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
+ "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",
+ "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"",
+ "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", "\";\"", "\"|\"",
+ "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"%{...%}\"",
+ "\"epilogue\"", "\"{...}\"", "$accept", "input", "declarations",
+ "declaration", "grammar_declaration", "symbol_declaration", "@1", "@2",
+ "precedence_declaration", "precedence_declarator", "type.opt",
+ "symbols.1", "symbol_def", "symbol_defs.1", "grammar",
+ "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs",
+ "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0
};
#endif
# ifdef YYPRINT
/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
token YYLEX-NUM. */
-static const unsigned short yytoknum[] =
+static const unsigned short int yytoknum[] =
{
0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
- 295, 296, 297, 298, 299, 300, 301
+ 295, 296, 297, 298, 299, 300, 301, 302, 303, 304,
+ 305
};
# endif
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
static const unsigned char yyr1[] =
{
- 0, 47, 48, 49, 49, 50, 50, 50, 50, 50,
- 50, 50, 50, 50, 50, 50, 50, 50, 50, 50,
- 50, 50, 50, 50, 50, 51, 51, 51, 51, 52,
- 51, 53, 51, 55, 54, 56, 54, 54, 57, 58,
- 58, 58, 59, 59, 60, 60, 61, 61, 61, 61,
- 61, 62, 62, 63, 63, 64, 64, 64, 66, 65,
- 67, 67, 68, 68, 68, 68, 68, 68, 69, 69,
- 70, 71, 72, 73, 73, 74, 74
+ 0, 51, 52, 53, 53, 54, 54, 54, 54, 54,
+ 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
+ 54, 54, 54, 54, 54, 54, 54, 54, 54, 55,
+ 55, 55, 55, 55, 55, 55, 55, 57, 56, 58,
+ 56, 56, 59, 60, 60, 60, 61, 61, 62, 62,
+ 63, 63, 63, 63, 63, 64, 64, 65, 65, 66,
+ 66, 66, 68, 67, 69, 69, 69, 70, 70, 70,
+ 70, 70, 70, 71, 71, 72, 73, 74, 75, 75
};
/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
static const unsigned char yyr2[] =
{
- 0, 2, 4, 0, 3, 1, 1, 1, 3, 1,
- 1, 2, 3, 1, 4, 1, 3, 1, 3, 4,
- 1, 2, 1, 1, 1, 1, 1, 2, 2, 0,
- 4, 0, 4, 0, 3, 0, 3, 3, 3, 1,
- 1, 1, 0, 1, 1, 2, 1, 1, 2, 2,
- 3, 1, 2, 1, 2, 1, 2, 2, 0, 5,
- 1, 3, 0, 2, 2, 3, 3, 3, 1, 1,
- 1, 1, 1, 0, 2, 0, 1
+ 0, 2, 4, 0, 2, 1, 1, 1, 3, 1,
+ 1, 2, 2, 3, 1, 1, 1, 1, 3, 1,
+ 1, 3, 1, 1, 2, 1, 1, 1, 1, 1,
+ 1, 2, 1, 2, 2, 1, 1, 0, 3, 0,
+ 3, 3, 3, 1, 1, 1, 0, 1, 1, 2,
+ 1, 1, 2, 2, 3, 1, 2, 1, 2, 1,
+ 2, 2, 0, 3, 1, 3, 2, 0, 2, 2,
+ 3, 3, 3, 1, 1, 1, 1, 1, 0, 2
};
/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
means the default is an error. */
static const unsigned char yydefact[] =
{
- 3, 0, 0, 1, 35, 33, 0, 29, 31, 0,
- 39, 40, 41, 7, 0, 9, 10, 0, 0, 13,
- 0, 15, 0, 17, 0, 0, 20, 0, 0, 22,
- 23, 24, 0, 6, 75, 5, 26, 25, 42, 0,
- 0, 0, 0, 0, 28, 72, 0, 11, 0, 0,
- 0, 0, 0, 21, 71, 68, 27, 69, 0, 0,
- 0, 0, 53, 55, 76, 4, 43, 0, 46, 47,
- 51, 36, 34, 37, 44, 0, 0, 8, 12, 0,
- 16, 18, 0, 57, 58, 56, 0, 54, 2, 38,
- 48, 49, 52, 45, 30, 32, 14, 19, 62, 74,
- 50, 0, 60, 59, 62, 0, 0, 0, 70, 63,
- 64, 61, 65, 66, 67
+ 3, 0, 0, 1, 39, 37, 0, 0, 0, 32,
+ 43, 44, 45, 7, 35, 0, 9, 10, 0, 0,
+ 0, 14, 15, 16, 17, 0, 36, 19, 20, 0,
+ 22, 23, 0, 0, 25, 26, 27, 28, 0, 6,
+ 4, 5, 30, 29, 46, 0, 0, 0, 76, 73,
+ 33, 48, 74, 34, 77, 0, 11, 12, 0, 0,
+ 0, 24, 31, 0, 62, 0, 0, 57, 59, 47,
+ 0, 50, 51, 55, 40, 38, 41, 49, 8, 13,
+ 18, 21, 61, 67, 60, 0, 58, 2, 42, 52,
+ 53, 56, 63, 64, 79, 54, 66, 67, 0, 0,
+ 0, 75, 68, 69, 65, 70, 71, 72
};
/* YYDEFGOTO[NTERM-NUM]. */
static const yysigned_char yydefgoto[] =
{
- -1, 1, 2, 34, 60, 42, 43, 36, 40, 39,
- 37, 38, 67, 73, 70, 71, 61, 62, 63, 98,
- 101, 102, 74, 110, 57, 46, 88, 65
+ -1, 1, 2, 40, 65, 42, 46, 45, 43, 44,
+ 70, 50, 73, 74, 66, 67, 68, 83, 92, 93,
+ 51, 103, 52, 55, 87
};
/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
#define YYPACT_NINF -67
static const yysigned_char yypact[] =
{
- -67, 7, 81, -67, -67, -67, -13, -67, -67, -16,
- -67, -67, -67, -67, 32, -67, -67, 36, 20, -67,
- 32, -67, 21, -67, 22, 32, -67, 32, -1, -67,
- -67, -67, 43, -67, 24, -67, -67, -67, 28, -14,
- -14, -1, 25, 26, -67, -67, 32, -67, 32, 30,
- 32, 32, 33, -67, -67, -67, -67, -67, 38, 29,
- 40, 4, -67, -67, -67, -67, -67, -1, -67, 16,
- -67, -14, -14, -1, -67, -1, -1, -67, -67, 32,
- -67, -67, 32, -67, -67, -67, 34, -67, -67, -1,
- 77, -67, -67, -67, -1, -1, -67, -67, -67, -67,
- -67, -20, 23, -67, -67, -1, 78, 45, -67, -67,
- -67, 23, -67, -67, -67
+ -67, 5, 110, -67, -67, -67, -34, 0, 0, -67,
+ -67, -67, -67, -67, -67, 13, -67, -67, 20, 31,
+ -17, -67, -67, -67, -67, -6, -67, -67, -67, -5,
+ -67, -67, 13, 0, -67, -67, -67, -67, 68, -67,
+ -67, -67, -67, -67, -3, -37, -37, 0, -67, -67,
+ 0, -67, -67, 0, -67, 13, -67, -67, 13, 13,
+ 13, -67, -67, -2, -67, 3, 21, -67, -67, -67,
+ 0, -67, 6, -67, -37, -37, 0, -67, -67, -67,
+ -67, -67, -67, -67, -67, 1, -67, -67, 0, 39,
+ -67, -67, -32, -1, -67, -67, -67, -67, 0, 43,
+ 7, -67, -67, -67, -1, -67, -67, -67
};
/* YYPGOTO[NTERM-NUM]. */
static const yysigned_char yypgoto[] =
{
- -67, -67, -67, -67, 82, -67, -67, -67, -67, -67,
- -67, -67, -67, -42, -29, 55, -67, 35, -67, -67,
- -67, -7, -28, -67, -66, -19, -67, -67
+ -67, -67, -67, -67, 50, -67, -67, -67, -67, -67,
+ -67, -7, -56, 8, -67, -13, -67, -67, -67, -41,
+ -33, -67, -66, 29, -67
};
/* 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, parse error. */
-#define YYTABLE_NINF -74
+ If YYTABLE_NINF, syntax error. */
+#define YYTABLE_NINF -79
static const yysigned_char yytable[] =
{
- 56, 49, 54, 91, -73, 58, 52, 3, 53, 4,
- 5, 6, 7, 8, 9, 10, 11, 12, 103, 54,
- 90, 104, 68, 41, 100, 89, 54, 77, 69, 78,
- 44, 80, 81, 94, 95, 45, 28, 105, 106, 107,
- 47, 55, 92, 92, 58, 93, 59, 86, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 48, 50, 51,
- 96, 93, 64, 97, 66, 55, 93, 93, 84, 108,
- 79, 75, 76, 82, 109, 28, 83, 112, 85, 99,
- 54, 114, 113, 109, 35, 59, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 72, 87, 111, 13, 14,
- 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 26, 27, 28, 29, 30, 31, 0, 0, 0,
- 0, 0, 0, 0, 32, 33
+ 62, 53, 48, 48, 71, 3, 90, 47, 72, 48,
+ 89, 96, 97, 98, 99, 100, 54, 77, 91, 91,
+ 77, -78, 63, 95, 56, 58, 4, 5, 6, 7,
+ 8, 9, 10, 11, 12, 57, 59, 60, 69, 14,
+ 76, 82, 48, 77, 49, 49, 84, 106, 107, 101,
+ 94, 26, 41, 86, 75, 77, 104, 0, 33, 0,
+ 102, 61, 0, 88, 0, 105, 0, 64, 85, 63,
+ 0, 102, 0, 4, 5, 6, 7, 8, 9, 10,
+ 11, 12, 0, 0, 78, 0, 14, 79, 80, 81,
+ 0, 0, 0, 0, 0, 0, 0, 0, 26, 0,
+ 0, 0, 0, 0, 0, 33, 0, 0, 0, 0,
+ 0, 0, 0, 0, 64, 4, 5, 6, 7, 8,
+ 9, 10, 11, 12, 0, 0, 0, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
+ 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
+ 36, 0, 0, 37, 0, 0, 0, 38, 39
};
static const yysigned_char yycheck[] =
{
- 28, 20, 3, 69, 0, 1, 25, 0, 27, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 38, 3,
- 4, 41, 36, 36, 90, 67, 3, 46, 42, 48,
- 46, 50, 51, 75, 76, 3, 32, 14, 15, 16,
- 4, 42, 71, 72, 1, 73, 42, 43, 5, 6,
- 7, 8, 9, 10, 11, 12, 13, 37, 37, 37,
- 79, 89, 38, 82, 36, 42, 94, 95, 39, 46,
- 40, 46, 46, 40, 102, 32, 38, 105, 38, 45,
- 3, 36, 4, 111, 2, 42, 5, 6, 7, 8,
- 9, 10, 11, 12, 13, 40, 61, 104, 17, 18,
- 19, 20, 21, 22, 23, 24, 25, 26, 27, 28,
- 29, 30, 31, 32, 33, 34, 35, -1, -1, -1,
- -1, -1, -1, -1, 43, 44
+ 33, 8, 3, 3, 41, 0, 72, 41, 45, 3,
+ 4, 43, 44, 14, 15, 16, 3, 50, 74, 75,
+ 53, 0, 1, 89, 4, 42, 5, 6, 7, 8,
+ 9, 10, 11, 12, 13, 4, 42, 42, 41, 18,
+ 47, 43, 3, 76, 45, 45, 43, 4, 41, 50,
+ 49, 30, 2, 66, 46, 88, 97, -1, 37, -1,
+ 93, 32, -1, 70, -1, 98, -1, 46, 47, 1,
+ -1, 104, -1, 5, 6, 7, 8, 9, 10, 11,
+ 12, 13, -1, -1, 55, -1, 18, 58, 59, 60,
+ -1, -1, -1, -1, -1, -1, -1, -1, 30, -1,
+ -1, -1, -1, -1, -1, 37, -1, -1, -1, -1,
+ -1, -1, -1, -1, 46, 5, 6, 7, 8, 9,
+ 10, 11, 12, 13, -1, -1, -1, 17, 18, 19,
+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, -1, -1, 43, -1, -1, -1, 47, 48
};
/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
symbol of state STATE-NUM. */
static const unsigned char yystos[] =
{
- 0, 48, 49, 0, 5, 6, 7, 8, 9, 10,
+ 0, 52, 53, 0, 5, 6, 7, 8, 9, 10,
11, 12, 13, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 43, 44, 50, 51, 54, 57, 58, 56,
- 55, 36, 52, 53, 46, 3, 72, 4, 37, 72,
- 37, 37, 72, 72, 3, 42, 69, 71, 1, 42,
- 51, 63, 64, 65, 38, 74, 36, 59, 36, 42,
- 61, 62, 62, 60, 69, 46, 46, 72, 72, 40,
- 72, 72, 40, 38, 39, 38, 43, 64, 73, 60,
- 4, 71, 61, 69, 60, 60, 72, 72, 66, 45,
- 71, 67, 68, 38, 41, 14, 15, 16, 46, 69,
- 70, 68, 69, 4, 36
+ 34, 35, 36, 37, 38, 39, 40, 43, 47, 48,
+ 54, 55, 56, 59, 60, 58, 57, 41, 3, 45,
+ 62, 71, 73, 62, 3, 74, 4, 4, 42, 42,
+ 42, 74, 71, 1, 46, 55, 65, 66, 67, 41,
+ 61, 41, 45, 63, 64, 64, 62, 71, 74, 74,
+ 74, 74, 43, 68, 43, 47, 66, 75, 62, 4,
+ 73, 63, 69, 70, 49, 73, 43, 44, 14, 15,
+ 16, 50, 71, 72, 70, 71, 4, 41
};
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
-#define YYEMPTY -2
+#define YYEMPTY (-2)
#define YYEOF 0
#define YYACCEPT goto yyacceptlab
#define YYABORT goto yyabortlab
-#define YYERROR goto yyerrlab1
+#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.
{ \
yychar = (Token); \
yylval = (Value); \
- yychar1 = YYTRANSLATE (yychar); \
+ yytoken = YYTRANSLATE (yychar); \
YYPOPSTACK; \
goto yybackup; \
} \
else \
{ \
- yyerror ("syntax error: cannot back up"); \
+ yyerror ("syntax error: cannot back up");\
YYERROR; \
} \
while (0)
are run). */
#ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N) \
- Current.first_line = Rhs[1].first_line; \
- Current.first_column = Rhs[1].first_column; \
- Current.last_line = Rhs[N].last_line; \
- Current.last_column = Rhs[N].last_column;
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ ((Current).first_line = (Rhs)[1].first_line, \
+ (Current).first_column = (Rhs)[1].first_column, \
+ (Current).last_line = (Rhs)[N].last_line, \
+ (Current).last_column = (Rhs)[N].last_column)
#endif
/* YYLEX -- calling `yylex' with the right arguments. */
if (yydebug) \
YYFPRINTF Args; \
} while (0)
+
# define YYDSYMPRINT(Args) \
do { \
if (yydebug) \
yysymprint Args; \
} while (0)
+
+# define YYDSYMPRINTF(Title, Token, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yysymprint (stderr, \
+ Token, Value, Location); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (0)
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included). |
+`------------------------------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yy_stack_print (short int *bottom, short int *top)
+#else
+static void
+yy_stack_print (bottom, top)
+ short int *bottom;
+ short int *top;
+#endif
+{
+ YYFPRINTF (stderr, "Stack now");
+ for (/* Nothing. */; 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 (0)
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced. |
+`------------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yy_reduce_print (int yyrule)
+#else
+static void
+yy_reduce_print (yyrule)
+ int yyrule;
+#endif
+{
+ int yyi;
+ unsigned int yylno = yyrline[yyrule];
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
+ yyrule - 1, yylno);
+ /* Print the symbols being reduced, and their result. */
+ for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
+ YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]);
+ YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]);
+}
+
+# define YY_REDUCE_PRINT(Rule) \
+do { \
+ if (yydebug) \
+ yy_reduce_print (Rule); \
+} while (0)
+
/* Nonzero means print parse trace. It is left uninitialized so that
multiple parsers can coexist. */
int yydebug;
#else /* !YYDEBUG */
# define YYDPRINTF(Args)
# define YYDSYMPRINT(Args)
+# define YYDSYMPRINTF(Title, Token, 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
SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
evaluated with infinite-precision integer arithmetic. */
-#if YYMAXDEPTH == 0
+#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0
# undef YYMAXDEPTH
#endif
\f
#if YYDEBUG
-/*-----------------------------.
-| Print this symbol on YYOUT. |
-`-----------------------------*/
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
#if defined (__STDC__) || defined (__cplusplus)
static void
-yysymprint (FILE *yyout, int yytype, YYSTYPE yyvalue, YYLTYPE yylocation)
+yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
#else
static void
-yysymprint (yyout, yytype, yyvalue, yylocation)
- FILE *yyout;
+yysymprint (yyoutput, yytype, yyvaluep, yylocationp)
+ FILE *yyoutput;
int yytype;
- YYSTYPE yyvalue;
- YYLTYPE yylocation;
+ YYSTYPE *yyvaluep;
+ YYLTYPE *yylocationp;
#endif
{
/* Pacify ``unused variable'' warnings. */
- (void) yyvalue;
- (void) yylocation;
+ (void) yyvaluep;
+ (void) yylocationp;
if (yytype < YYNTOKENS)
{
- YYFPRINTF (yyout, "token %s (", yytname[yytype]);
+ YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
# ifdef YYPRINT
- YYPRINT (yyout, yytoknum[yytype], yyvalue);
+ YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
# endif
}
else
- YYFPRINTF (yyout, "nterm %s (", yytname[yytype]);
+ YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
switch (yytype)
{
default:
break;
}
- YYFPRINTF (yyout, ")");
+ YYFPRINTF (yyoutput, ")");
}
-#endif /* YYDEBUG. */
-
+#endif /* ! YYDEBUG */
/*-----------------------------------------------.
| Release the memory associated to this symbol. |
`-----------------------------------------------*/
#if defined (__STDC__) || defined (__cplusplus)
static void
-yydestruct (int yytype, YYSTYPE yyvalue, YYLTYPE yylocation)
+yydestruct (int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
#else
static void
-yydestruct (yytype, yyvalue, yylocation)
+yydestruct (yytype, yyvaluep, yylocationp)
int yytype;
- YYSTYPE yyvalue;
- YYLTYPE yylocation;
+ YYSTYPE *yyvaluep;
+ YYLTYPE *yylocationp;
#endif
{
/* Pacify ``unused variable'' warnings. */
- (void) yyvalue;
- (void) yylocation;
+ (void) yyvaluep;
+ (void) yylocationp;
switch (yytype)
{
+
default:
break;
}
}
-
\f
/* Prevent warnings from -Wmissing-prototypes. */
#else
int yyparse ();
#endif
-#endif
+#endif /* ! YYPARSE_PARAM */
#endif
#endif
{
- /* The lookahead symbol. */
+ /* The look-ahead symbol. */
int yychar;
-/* The semantic value of the lookahead symbol. */
+/* The semantic value of the look-ahead symbol. */
YYSTYPE yylval;
-/* Number of parse errors so far. */
+/* Number of syntax errors so far. */
int yynerrs;
-/* Location data for the lookahead symbol. */
+/* Location data for the look-ahead symbol. */
YYLTYPE yylloc;
register int yystate;
int yyresult;
/* Number of tokens to shift before error messages enabled. */
int yyerrstatus;
- /* Lookahead token as an internal (translated) token number. */
- int yychar1 = 0;
+ /* Look-ahead token as an internal (translated) token number. */
+ int yytoken = 0;
/* Three stacks and their tools:
`yyss': related to states,
to reallocate them elsewhere. */
/* The state stack. */
- short yyssa[YYINITDEPTH];
- short *yyss = yyssa;
- register short *yyssp;
+ short int yyssa[YYINITDEPTH];
+ short int *yyss = yyssa;
+ register short int *yyssp;
/* The semantic value stack. */
YYSTYPE yyvsa[YYINITDEPTH];
YYLTYPE yylsa[YYINITDEPTH];
YYLTYPE *yyls = yylsa;
YYLTYPE *yylsp;
+ YYLTYPE *yylerrsp;
#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
yyssp = yyss;
yyvsp = yyvs;
yylsp = yyls;
+
+ /* User initialization code. */
+ #line 68 "parse-gram.y"
+{
+ /* Bison's grammar can initial empty locations, hence a default
+ location is needed. */
+ (*yylsp).start.file = (*yylsp).end.file = current_file;
+ (*yylsp).start.line = (*yylsp).end.line = 1;
+ (*yylsp).start.column = (*yylsp).end.column = 0;
+}
+/* Line 818 of yacc.c. */
+#line 1118 "parse-gram.c"
goto yysetstate;
/*------------------------------------------------------------.
these so that the &'s don't force the real ones into
memory. */
YYSTYPE *yyvs1 = yyvs;
- short *yyss1 = yyss;
+ short int *yyss1 = yyss;
YYLTYPE *yyls1 = yyls;
/* Each stack pointer address is followed by the size of the
yystacksize = YYMAXDEPTH;
{
- short *yyss1 = yyss;
+ short int *yyss1 = yyss;
union yyalloc *yyptr =
(union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
if (! yyptr)
yybackup:
/* Do appropriate processing given the current state. */
-/* Read a lookahead token if we need one and don't already have one. */
+/* Read a look-ahead token if we need one and don't already have one. */
/* yyresume: */
- /* First try to decide what to do without reference to lookahead token. */
+ /* 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 lookahead token if don't already have one. */
-
- /* yychar is either YYEMPTY or YYEOF
- or a valid token in external form. */
+ /* 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;
}
- /* Convert token to internal form (in yychar1) for indexing tables with. */
-
- if (yychar <= 0) /* This means end of input. */
+ if (yychar <= YYEOF)
{
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more. */
-
+ yychar = yytoken = YYEOF;
YYDPRINTF ((stderr, "Now at end of input.\n"));
}
else
{
- yychar1 = YYTRANSLATE (yychar);
-
- /* We have to keep this `#if YYDEBUG', since we use variables
- which are defined only if `YYDEBUG' is set. */
- YYDPRINTF ((stderr, "Next token is "));
- YYDSYMPRINT ((stderr, yychar1, yylval, yyloc));
- YYDPRINTF ((stderr, "\n"));
+ yytoken = YYTRANSLATE (yychar);
+ YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc);
}
- /* If the proper action on seeing token YYCHAR1 is to reduce or to
+ /* If the proper action on seeing token YYTOKEN is to reduce or to
detect an error, take that action. */
- yyn += yychar1;
- if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yychar1)
+ yyn += yytoken;
+ if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
goto yydefault;
yyn = yytable[yyn];
if (yyn <= 0)
if (yyn == YYFINAL)
YYACCEPT;
- /* Shift the lookahead token. */
- YYDPRINTF ((stderr, "Shifting token %d (%s), ",
- yychar, yytname[yychar1]));
+ /* Shift the look-ahead token. */
+ YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));
/* Discard the token being shifted unless it is eof. */
if (yychar != YYEOF)
yyval = yyvsp[1-yylen];
/* Default location. */
- YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
-
-#if YYDEBUG
- /* We have to keep this `#if YYDEBUG', since we use variables which
- are defined only if `YYDEBUG' is set. */
- if (yydebug)
- {
- int yyi;
-
- YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
- yyn - 1, yyrline[yyn]);
-
- /* Print the symbols being reduced, and their result. */
- for (yyi = yyprhs[yyn]; 0 <= yyrhs[yyi]; yyi++)
- YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
- YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
-#endif
+ YYLLOC_DEFAULT (yyloc, yylsp - yylen, yylen);
+ YY_REDUCE_PRINT (yyn);
switch (yyn)
{
- case 2:
-#line 169 "parse-gram.y"
- {
- yycontrol->errcode = 0;
- epilogue_set (yyvsp[0].string, yylsp[0]);
- }
- break;
-
- case 6:
-#line 187 "parse-gram.y"
- { prologue_augment (yyvsp[0].string, yylsp[0]); }
+ case 6:
+#line 186 "parse-gram.y"
+ { prologue_augment (yyvsp[0].chars, yylsp[0]); }
break;
case 7:
-#line 188 "parse-gram.y"
- { debug_flag = 1; }
+#line 187 "parse-gram.y"
+ { debug_flag = true; }
break;
case 8:
-#line 189 "parse-gram.y"
- { muscle_insert (yyvsp[-1].string, yyvsp[0].string); }
+#line 188 "parse-gram.y"
+ { muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); }
break;
case 9:
-#line 190 "parse-gram.y"
- { defines_flag = 1; }
+#line 189 "parse-gram.y"
+ { defines_flag = true; }
break;
case 10:
-#line 191 "parse-gram.y"
- { error_verbose = 1; }
+#line 190 "parse-gram.y"
+ { error_verbose = true; }
break;
case 11:
-#line 192 "parse-gram.y"
- { expected_conflicts = yyvsp[0].integer; }
+#line 191 "parse-gram.y"
+ { expected_sr_conflicts = yyvsp[0].integer; }
break;
case 12:
-#line 193 "parse-gram.y"
- { spec_file_prefix = yyvsp[0].string; }
+#line 192 "parse-gram.y"
+ { expected_rr_conflicts = yyvsp[0].integer; }
break;
case 13:
-#line 194 "parse-gram.y"
- { glr_parser = 1; }
+#line 193 "parse-gram.y"
+ { spec_file_prefix = yyvsp[0].chars; }
break;
case 14:
-#line 196 "parse-gram.y"
- { muscle_pair_list_grow ("lex_param", yyvsp[-2].string, yyvsp[0].string); }
+#line 195 "parse-gram.y"
+ {
+ nondeterministic_parser = true;
+ glr_parser = true;
+ }
break;
case 15:
-#line 197 "parse-gram.y"
- { locations_flag = 1; }
+#line 200 "parse-gram.y"
+ {
+ muscle_code_grow ("initial_action", yyvsp[0].chars, yylsp[0]);
+ }
break;
case 16:
-#line 198 "parse-gram.y"
- { spec_name_prefix = yyvsp[0].string; }
+#line 203 "parse-gram.y"
+ { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); }
break;
case 17:
-#line 199 "parse-gram.y"
- { no_lines_flag = 1; }
+#line 204 "parse-gram.y"
+ { locations_flag = true; }
break;
case 18:
-#line 200 "parse-gram.y"
- { spec_outfile = yyvsp[0].string; }
+#line 205 "parse-gram.y"
+ { spec_name_prefix = yyvsp[0].chars; }
break;
case 19:
-#line 202 "parse-gram.y"
- { muscle_pair_list_grow ("parse_param", yyvsp[-2].string, yyvsp[0].string); }
+#line 206 "parse-gram.y"
+ { no_lines_flag = true; }
break;
case 20:
-#line 203 "parse-gram.y"
- { pure_parser = 1; }
+#line 207 "parse-gram.y"
+ { nondeterministic_parser = true; }
break;
case 21:
-#line 204 "parse-gram.y"
- { skeleton = yyvsp[0].string; }
+#line 208 "parse-gram.y"
+ { spec_outfile = yyvsp[0].chars; }
break;
case 22:
-#line 205 "parse-gram.y"
- { token_table_flag = 1; }
+#line 209 "parse-gram.y"
+ { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); }
break;
case 23:
-#line 206 "parse-gram.y"
- { report_flag = 1; }
+#line 210 "parse-gram.y"
+ { pure_parser = true; }
break;
case 24:
-#line 207 "parse-gram.y"
- { yacc_flag = 1; }
+#line 211 "parse-gram.y"
+ { skeleton = yyvsp[0].chars; }
+ break;
+
+ case 25:
+#line 212 "parse-gram.y"
+ { token_table_flag = true; }
+ break;
+
+ case 26:
+#line 213 "parse-gram.y"
+ { report_flag = report_states; }
break;
case 27:
#line 214 "parse-gram.y"
+ { yacc_flag = true; }
+ break;
+
+ case 31:
+#line 222 "parse-gram.y"
{
grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]);
}
break;
- case 28:
-#line 218 "parse-gram.y"
+ case 32:
+#line 226 "parse-gram.y"
{
- typed = 1;
- MUSCLE_INSERT_INT ("stype_line", yylsp[0].first_line);
- muscle_insert ("stype", yyvsp[0].string);
+ typed = true;
+ MUSCLE_INSERT_INT ("stype_line", yylsp[0].start.line);
+ muscle_insert ("stype", yyvsp[0].chars);
}
break;
- case 29:
-#line 224 "parse-gram.y"
- { current_braced_code = destructor_braced_code; }
+ case 33:
+#line 232 "parse-gram.y"
+ {
+ symbol_list *list;
+ for (list = yyvsp[0].list; list; list = list->next)
+ symbol_destructor_set (list->sym, yyvsp[-1].chars, yylsp[-1]);
+ symbol_list_free (yyvsp[0].list);
+ }
break;
- case 30:
-#line 226 "parse-gram.y"
+ case 34:
+#line 239 "parse-gram.y"
{
- symbol_list_t *list;
+ symbol_list *list;
for (list = yyvsp[0].list; list; list = list->next)
- symbol_destructor_set (list->sym, yyvsp[-1].string, yylsp[-1]);
+ symbol_printer_set (list->sym, yyvsp[-1].chars, list->location);
symbol_list_free (yyvsp[0].list);
- current_braced_code = action_braced_code;
}
break;
- case 31:
-#line 234 "parse-gram.y"
- { current_braced_code = printer_braced_code; }
+ case 35:
+#line 246 "parse-gram.y"
+ {
+ default_prec = true;
+ }
break;
- case 32:
-#line 236 "parse-gram.y"
+ case 36:
+#line 250 "parse-gram.y"
{
- symbol_list_t *list;
- for (list = yyvsp[0].list; list; list = list->next)
- symbol_printer_set (list->sym, yyvsp[-1].string, list->location);
- symbol_list_free (yyvsp[0].list);
- current_braced_code = action_braced_code;
+ default_prec = false;
}
break;
- case 33:
-#line 246 "parse-gram.y"
+ case 37:
+#line 256 "parse-gram.y"
{ current_class = nterm_sym; }
break;
- case 34:
-#line 247 "parse-gram.y"
+ case 38:
+#line 257 "parse-gram.y"
{
current_class = unknown_sym;
current_type = NULL;
}
break;
- case 35:
-#line 251 "parse-gram.y"
+ case 39:
+#line 261 "parse-gram.y"
{ current_class = token_sym; }
break;
- case 36:
-#line 252 "parse-gram.y"
+ case 40:
+#line 262 "parse-gram.y"
{
current_class = unknown_sym;
current_type = NULL;
}
break;
- case 37:
-#line 257 "parse-gram.y"
+ case 41:
+#line 267 "parse-gram.y"
{
- symbol_list_t *list;
+ symbol_list *list;
for (list = yyvsp[0].list; list; list = list->next)
- symbol_type_set (list->sym, yyvsp[-1].string, yylsp[-1]);
+ symbol_type_set (list->sym, yyvsp[-1].uniqstr, yylsp[-1]);
symbol_list_free (yyvsp[0].list);
}
break;
- case 38:
-#line 267 "parse-gram.y"
+ case 42:
+#line 277 "parse-gram.y"
{
- symbol_list_t *list;
+ symbol_list *list;
++current_prec;
for (list = yyvsp[0].list; list; list = list->next)
{
}
break;
- case 39:
-#line 281 "parse-gram.y"
+ case 43:
+#line 291 "parse-gram.y"
{ yyval.assoc = left_assoc; }
break;
- case 40:
-#line 282 "parse-gram.y"
+ case 44:
+#line 292 "parse-gram.y"
{ yyval.assoc = right_assoc; }
break;
- case 41:
-#line 283 "parse-gram.y"
+ case 45:
+#line 293 "parse-gram.y"
{ yyval.assoc = non_assoc; }
break;
- case 42:
-#line 287 "parse-gram.y"
+ case 46:
+#line 297 "parse-gram.y"
{ current_type = NULL; }
break;
- case 43:
-#line 288 "parse-gram.y"
- { current_type = yyvsp[0].string; }
+ case 47:
+#line 298 "parse-gram.y"
+ { current_type = yyvsp[0].uniqstr; }
break;
- case 44:
-#line 294 "parse-gram.y"
+ case 48:
+#line 304 "parse-gram.y"
{ yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); }
break;
- case 45:
-#line 295 "parse-gram.y"
+ case 49:
+#line 305 "parse-gram.y"
{ yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); }
break;
- case 46:
-#line 301 "parse-gram.y"
+ case 50:
+#line 311 "parse-gram.y"
{
- current_type = yyvsp[0].string;
+ current_type = yyvsp[0].uniqstr;
}
break;
- case 47:
-#line 305 "parse-gram.y"
+ case 51:
+#line 315 "parse-gram.y"
{
symbol_class_set (yyvsp[0].symbol, current_class, yylsp[0]);
symbol_type_set (yyvsp[0].symbol, current_type, yylsp[0]);
}
break;
- case 48:
-#line 310 "parse-gram.y"
+ case 52:
+#line 320 "parse-gram.y"
{
symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]);
symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]);
}
break;
- case 49:
-#line 316 "parse-gram.y"
+ case 53:
+#line 326 "parse-gram.y"
{
symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]);
symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]);
}
break;
- case 50:
-#line 322 "parse-gram.y"
+ case 54:
+#line 332 "parse-gram.y"
{
symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]);
symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]);
}
break;
- case 51:
-#line 333 "parse-gram.y"
- {;}
- break;
-
- case 52:
-#line 335 "parse-gram.y"
- {;}
- break;
-
- case 56:
-#line 354 "parse-gram.y"
+ case 60:
+#line 361 "parse-gram.y"
{
if (yacc_flag)
complain_at (yyloc, _("POSIX forbids declarations in the grammar"));
}
break;
- case 57:
-#line 359 "parse-gram.y"
+ case 61:
+#line 366 "parse-gram.y"
{
yyerrok;
}
break;
- case 58:
-#line 365 "parse-gram.y"
- { current_lhs = yyvsp[-1].symbol; current_lhs_location = yylsp[-1]; }
- break;
-
- case 59:
-#line 366 "parse-gram.y"
- {;}
+ case 62:
+#line 372 "parse-gram.y"
+ { current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; }
break;
- case 60:
-#line 370 "parse-gram.y"
+ case 64:
+#line 376 "parse-gram.y"
{ grammar_rule_end (yylsp[0]); }
break;
- case 61:
-#line 371 "parse-gram.y"
+ case 65:
+#line 377 "parse-gram.y"
{ grammar_rule_end (yylsp[0]); }
break;
- case 62:
-#line 376 "parse-gram.y"
+ case 67:
+#line 383 "parse-gram.y"
{ grammar_rule_begin (current_lhs, current_lhs_location); }
break;
- case 63:
-#line 378 "parse-gram.y"
+ case 68:
+#line 385 "parse-gram.y"
{ grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); }
break;
- case 64:
-#line 380 "parse-gram.y"
- { grammar_current_rule_action_append (yyvsp[0].string, yylsp[0]); }
+ case 69:
+#line 387 "parse-gram.y"
+ { grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); }
break;
- case 65:
-#line 382 "parse-gram.y"
+ case 70:
+#line 389 "parse-gram.y"
{ grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); }
break;
- case 66:
-#line 384 "parse-gram.y"
+ case 71:
+#line 391 "parse-gram.y"
{ grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); }
break;
- case 67:
-#line 386 "parse-gram.y"
- { grammar_current_rule_merge_set (yyvsp[0].string, yylsp[0]); }
+ case 72:
+#line 393 "parse-gram.y"
+ { grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); }
break;
- case 68:
-#line 390 "parse-gram.y"
+ case 73:
+#line 397 "parse-gram.y"
{ yyval.symbol = yyvsp[0].symbol; }
break;
- case 69:
-#line 391 "parse-gram.y"
+ case 74:
+#line 398 "parse-gram.y"
{ yyval.symbol = yyvsp[0].symbol; }
break;
- case 70:
-#line 396 "parse-gram.y"
- { yyval.string = yyvsp[0].string; }
+ case 75:
+#line 403 "parse-gram.y"
+ { yyval.chars = yyvsp[0].chars; }
break;
- case 71:
-#line 402 "parse-gram.y"
+ case 76:
+#line 409 "parse-gram.y"
{
- yyval.symbol = symbol_get (yyvsp[0].string, yylsp[0]);
+ yyval.symbol = symbol_get (yyvsp[0].chars, yylsp[0]);
symbol_class_set (yyval.symbol, token_sym, yylsp[0]);
}
break;
- case 72:
-#line 411 "parse-gram.y"
- {
- yyval.string = yyvsp[0].string + 1;
- yyval.string[strlen (yyval.string) - 1] = '\0';
- }
- break;
-
- case 73:
-#line 419 "parse-gram.y"
+ case 77:
+#line 418 "parse-gram.y"
{
- yyval.string = xstrdup ("");
+ yyval.chars = yyvsp[0].chars + 1;
+ yyval.chars[strlen (yyval.chars) - 1] = '\0';
}
break;
- case 74:
-#line 423 "parse-gram.y"
+ case 79:
+#line 427 "parse-gram.y"
{
- yyval.string = yyvsp[0].string;
+ muscle_code_grow ("epilogue", yyvsp[0].chars, yylsp[0]);
+ scanner_last_string_free ();
}
break;
}
-/* Line 1031 of /tmp/prefix/share/bison/yacc.c. */
-#line 1621 "parse-gram.c"
+/* Line 1010 of yacc.c. */
+#line 1702 "parse-gram.c"
\f
yyvsp -= yylen;
yyssp -= yylen;
yylsp -= yylen;
-#if YYDEBUG
- if (yydebug)
- {
- short *yyssp1 = yyss - 1;
- YYFPRINTF (stderr, "state stack now");
- while (yyssp1 != yyssp)
- YYFPRINTF (stderr, " %d", *++yyssp1);
- YYFPRINTF (stderr, "\n");
- }
-#endif
+ YY_STACK_PRINT (yyss, yyssp);
*++yyvsp = yyval;
*++yylsp = yyloc;
{
YYSIZE_T yysize = 0;
int yytype = YYTRANSLATE (yychar);
+ const char* yyprefix;
char *yymsg;
- int yyx, yycount;
+ int yyx;
- yycount = 0;
/* Start YYX at -YYN if negative to avoid negative indexes in
YYCHECK. */
- for (yyx = yyn < 0 ? -yyn : 0;
- yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = YYLAST - yyn;
+ int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+ int yycount = 0;
+
+ yyprefix = ", expecting ";
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
- yysize += yystrlen (yytname[yyx]) + 15, yycount++;
- yysize += yystrlen ("parse error, unexpected ") + 1;
- yysize += yystrlen (yytname[yytype]);
+ {
+ yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]);
+ yycount += 1;
+ if (yycount == 5)
+ {
+ yysize = 0;
+ break;
+ }
+ }
+ yysize += (sizeof ("syntax error, unexpected ")
+ + yystrlen (yytname[yytype]));
yymsg = (char *) YYSTACK_ALLOC (yysize);
if (yymsg != 0)
{
- char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
+ char *yyp = yystpcpy (yymsg, "syntax error, unexpected ");
yyp = yystpcpy (yyp, yytname[yytype]);
if (yycount < 5)
{
- yycount = 0;
- for (yyx = yyn < 0 ? -yyn : 0;
- yyx < (int) (sizeof (yytname) / sizeof (char *));
- yyx++)
+ yyprefix = ", expecting ";
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
{
- const char *yyq = ! yycount ? ", expecting " : " or ";
- yyp = yystpcpy (yyp, yyq);
+ yyp = yystpcpy (yyp, yyprefix);
yyp = yystpcpy (yyp, yytname[yyx]);
- yycount++;
+ yyprefix = " or ";
}
}
yyerror (yymsg);
YYSTACK_FREE (yymsg);
}
else
- yyerror ("parse error; also virtual memory exhausted");
+ yyerror ("syntax error; also virtual memory exhausted");
}
else
#endif /* YYERROR_VERBOSE */
- yyerror ("parse error");
+ yyerror ("syntax error");
}
- goto yyerrlab1;
+ yylerrsp = yylsp;
-/*----------------------------------------------------.
-| yyerrlab1 -- error raised explicitly by an action. |
-`----------------------------------------------------*/
-yyerrlab1:
if (yyerrstatus == 3)
{
- /* If just tried and failed to reuse lookahead token after an
+ /* If just tried and failed to reuse look-ahead token after an
error, discard it. */
- /* Return failure if at end of input. */
- if (yychar == YYEOF)
+ if (yychar <= YYEOF)
{
- /* Pop the error token. */
- YYPOPSTACK;
- /* Pop the rest of the stack. */
- while (yyss < yyssp)
- {
- YYDPRINTF ((stderr, "Error: popping "));
- YYDSYMPRINT ((stderr,
- yystos[*yyssp],
- *yyvsp, *yylsp));
- YYDPRINTF ((stderr, "\n"));
- yydestruct (yystos[*yyssp], *yyvsp, *yylsp);
- YYPOPSTACK;
- }
- YYABORT;
+ /* If at end of input, pop the error token,
+ then the rest of the stack, then return failure. */
+ if (yychar == YYEOF)
+ for (;;)
+ {
+ YYPOPSTACK;
+ if (yyssp == yyss)
+ YYABORT;
+ YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
+ yydestruct (yystos[*yyssp], yyvsp, yylsp);
+ }
}
-
- YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
- yychar, yytname[yychar1]));
- yydestruct (yychar1, yylval, yylloc);
- yychar = YYEMPTY;
+ else
+ {
+ YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
+ yydestruct (yytoken, &yylval, &yylloc);
+ yychar = YYEMPTY;
+ *++yylerrsp = yylloc;
+ }
}
- /* Else will try to reuse lookahead token after shifting the error
+ /* Else will try to reuse look-ahead token after shifting the error
token. */
+ goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR. |
+`---------------------------------------------------*/
+yyerrorlab:
+
+#ifdef __GNUC__
+ /* Pacify GCC when the user code never invokes YYERROR and the label
+ yyerrorlab therefore never appears in user code. */
+ if (0)
+ goto yyerrorlab;
+#endif
+ yyvsp -= yylen;
+ yyssp -= yylen;
+ yystate = *yyssp;
+ yylerrsp = yylsp;
+ *++yylerrsp = yyloc;
+ yylsp -= yylen;
+ goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+yyerrlab1:
yyerrstatus = 3; /* Each real token shifted decrements this. */
for (;;)
if (yyssp == yyss)
YYABORT;
- YYDPRINTF ((stderr, "Error: popping "));
- YYDSYMPRINT ((stderr,
- yystos[*yyssp], *yyvsp, *yylsp));
- YYDPRINTF ((stderr, "\n"));
-
- yydestruct (yystos[yystate], *yyvsp, *yylsp);
- yyvsp--;
- yystate = *--yyssp;
- yylsp--;
-
-#if YYDEBUG
- if (yydebug)
- {
- short *yyssp1 = yyss - 1;
- YYFPRINTF (stderr, "Error: state stack now");
- while (yyssp1 != yyssp)
- YYFPRINTF (stderr, " %d", *++yyssp1);
- YYFPRINTF (stderr, "\n");
- }
-#endif
+ YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
+ yydestruct (yystos[yystate], yyvsp, yylsp);
+ YYPOPSTACK;
+ yystate = *yyssp;
+ YY_STACK_PRINT (yyss, yyssp);
}
if (yyn == YYFINAL)
YYDPRINTF ((stderr, "Shifting error token, "));
*++yyvsp = yylval;
- *++yylsp = yylloc;
+ YYLLOC_DEFAULT (yyloc, yylsp, yylerrsp - yylsp);
+ *++yylsp = yyloc;
yystate = yyn;
goto yynewstate;
}
-#line 432 "parse-gram.y"
+#line 433 "parse-gram.y"
+
+
+
+/* Return the location of the left-hand side of a rule whose
+ right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in
+ the right-hand side, and return an empty location equal to the end
+ boundary of RHS[0] if the right-hand side is empty. */
+
+static YYLTYPE
+lloc_default (YYLTYPE const *rhs, int n)
+{
+ int i;
+ YYLTYPE loc;
+
+ /* SGI MIPSpro 7.4.1m miscompiles "loc.start = loc.end = rhs[n].end;".
+ The bug is fixed in 7.4.2m, but play it safe for now. */
+ loc.start = rhs[n].end;
+ loc.end = rhs[n].end;
+
+ /* Ignore empty nonterminals the start of the the right-hand side.
+ Do not bother to ignore them at the end of the right-hand side,
+ since empty nonterminals have the same end as their predecessors. */
+ for (i = 1; i <= n; i++)
+ if (! equal_boundaries (rhs[i].start, rhs[i].end))
+ {
+ loc.start = rhs[i].start;
+ break;
+ }
+
+ return loc;
+}
-/*------------------------------------------------------------------.
-| When debugging the parser, display tokens' locations and values. |
-`------------------------------------------------------------------*/
+
+/* Add a lex-param or a parse-param (depending on TYPE) with
+ declaration DECL and location LOC. */
+
+static void
+add_param (char const *type, char *decl, location loc)
+{
+ static char const alphanum[] =
+ "0123456789"
+ "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "_";
+ char const *alpha = alphanum + 10;
+ char const *name_start = NULL;
+ char *p;
+
+ for (p = decl; *p; p++)
+ if ((p == decl || ! strchr (alphanum, p[-1])) && strchr (alpha, p[0]))
+ name_start = p;
+
+ /* Strip the surrounding '{' and '}'. */
+ decl++;
+ p[-1] = '\0';
+
+ if (! name_start)
+ complain_at (loc, _("missing identifier in parameter declaration"));
+ else
+ {
+ char *name;
+ size_t name_len;
+
+ for (name_len = 1;
+ name_start[name_len] && strchr (alphanum, name_start[name_len]);
+ name_len++)
+ continue;
+
+ name = xmalloc (name_len + 1);
+ memcpy (name, name_start, name_len);
+ name[name_len] = '\0';
+ muscle_pair_list_grow (type, decl, name);
+ free (name);
+ }
+
+ scanner_last_string_free ();
+}
+
+/*----------------------------------------------------.
+| When debugging the parser, display tokens' values. |
+`----------------------------------------------------*/
static void
-yyprint (FILE *file,
- int type, const yystype *value)
+print_token_value (FILE *file, int type, YYSTYPE const *value)
{
fputc (' ', file);
switch (type)
break;
case STRING:
- fprintf (file, " = \"%s\"", value->string);
+ fprintf (file, " = \"%s\"", value->chars);
break;
case TYPE:
- fprintf (file, " = <%s>", value->string);
+ fprintf (file, " = <%s>", value->uniqstr);
break;
case BRACED_CODE:
+ case PERCENT_DESTRUCTOR:
+ case PERCENT_LEX_PARAM:
+ case PERCENT_PARSE_PARAM:
+ case PERCENT_PRINTER:
+ case PERCENT_UNION:
case PROLOGUE:
case EPILOGUE:
- fprintf (file, " = {{ %s }}", value->string);
+ fprintf (file, " = {{ %s }}", value->chars);
+ break;
+
+ default:
+ fprintf (file, "unknown token type");
break;
}
}
-void
-gram_error (location_t *yylloc, const char *msg)
+static void
+gram_error (location const *loc, char const *msg)
+{
+ complain_at (*loc, "%s", msg);
+}
+
+char const *
+token_name (int type)
{
- complain_at (*yylloc, "%s", msg);
+ return yytname[type];
}
projects / bison.git / blobdiff