X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/1d64f0bab600b607fd82ae8f2352a8a505853d57..ac2434287dec56d58b12c27c752321dc7d971bf3:/src/parse-gram.c diff --git a/src/parse-gram.c b/src/parse-gram.c index 7f37a5e0..7bdb2101 100644 --- a/src/parse-gram.c +++ b/src/parse-gram.c @@ -1,7 +1,7 @@ -/* A Bison parser, made by GNU Bison 1.875a. */ +/* A Bison parser, made by GNU Bison 2.1a. */ /* Skeleton parser for Yacc-like parsing with Bison, - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005 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 @@ -15,8 +15,8 @@ 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. */ + Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ /* As a special exception, when this file is copied by Bison into a Bison output file, you may use that output file without restriction. @@ -36,6 +36,9 @@ /* Identify Bison output. */ #define YYBISON 1 +/* Bison version. */ +#define YYBISON_VERSION "2.1a" + /* Skeleton name. */ #define YYSKELETON_NAME "yacc.c" @@ -45,8 +48,7 @@ /* Using locations. */ #define YYLSP_NEEDED 1 -/* If NAME_PREFIX is specified substitute the variables and functions - names. */ +/* Substitute the variable and function names. */ #define yyparse gram_parse #define yylex gram_lex #define yyerror gram_error @@ -78,36 +80,42 @@ 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, - PIPE = 294, - ID = 295, - ID_COLON = 296, - PERCENT_PERCENT = 297, - PROLOGUE = 298, - EPILOGUE = 299, - BRACED_CODE = 300 + 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 +/* Tokens. */ #define GRAM_EOF 0 #define STRING 258 #define INT 259 @@ -124,40 +132,66 @@ #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 PIPE 294 -#define ID 295 -#define ID_COLON 296 -#define PERCENT_PERCENT 297 -#define PROLOGUE 298 -#define EPILOGUE 299 -#define BRACED_CODE 300 +#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 32 "parse-gram.y" +#line 1 "parse-gram.y" +/* Bison Grammar Parser -*- C -*- + + Copyright (C) 2002, 2003, 2004, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301 USA +*/ #include "system.h" @@ -168,15 +202,16 @@ #include "gram.h" #include "muscle_tab.h" #include "output.h" +#include "quotearg.h" #include "reader.h" #include "symlist.h" -/* Produce verbose syntax errors. */ -#define YYERROR_VERBOSE 1 - #define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N) static YYLTYPE lloc_default (YYLTYPE const *, int); +#define YY_LOCATION_PRINT(File, Loc) \ + location_print (File, Loc) + /* Request detailed syntax error messages, and pass them to GRAM_ERROR. FIXME: depends on the undocumented availability of YYLLOC. */ #undef yyerror @@ -184,18 +219,14 @@ static YYLTYPE lloc_default (YYLTYPE const *, int); gram_error (&yylloc, Msg) static void gram_error (location const *, char const *); -#define YYPRINT(File, Type, 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; -uniqstr current_type = 0; +static symbol_class current_class = unknown_sym; +static uniqstr current_type = 0; symbol *current_lhs; location current_lhs_location; assoc current_assoc; -int current_prec = 0; +static int current_prec = 0; /* Enabling traces. */ @@ -208,11 +239,16 @@ int current_prec = 0; # undef YYERROR_VERBOSE # define YYERROR_VERBOSE 1 #else -# define YYERROR_VERBOSE 0 +# define YYERROR_VERBOSE 1 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 #endif #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) -#line 75 "parse-gram.y" +#line 79 "parse-gram.y" typedef union YYSTYPE { symbol *symbol; symbol_list *list; @@ -221,8 +257,8 @@ typedef union YYSTYPE { assoc assoc; uniqstr uniqstr; } YYSTYPE; -/* Line 191 of yacc.c. */ -#line 226 "parse-gram.c" +/* Line 196 of yacc.c. */ +#line 262 "parse-gram.c" # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 # define YYSTYPE_IS_TRIVIAL 1 @@ -245,22 +281,58 @@ typedef struct YYLTYPE /* Copy the second part of user declarations. */ -/* Line 214 of yacc.c. */ -#line 250 "parse-gram.c" +/* Line 219 of yacc.c. */ +#line 286 "parse-gram.c" + +#ifndef YYSIZE_T +# if defined (__SIZE_TYPE__) +# define YYSIZE_T __SIZE_TYPE__ +# elif defined (size_t) +# define YYSIZE_T size_t +# elif ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus)) +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if YYENABLE_NLS +# if ENABLE_NLS +# include /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif #if ! defined (yyoverflow) || YYERROR_VERBOSE /* The parser invokes alloca or malloc; define the necessary symbols. */ -# if YYSTACK_USE_ALLOCA -# define YYSTACK_ALLOC alloca -# else -# ifndef YYSTACK_USE_ALLOCA -# if defined (alloca) || defined (_ALLOCA_H) -# define YYSTACK_ALLOC alloca +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined (__BUILTIN_VA_ARG_INCR) +# include /* INFRINGES ON USER NAME SPACE */ +# elif defined (_AIX) +# define YYSTACK_ALLOC __alloca +# elif defined (_MSC_VER) +# include /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca # else -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca +# define YYSTACK_ALLOC alloca +# if ! defined (_STDLIB_H) && (defined (__STDC__) || defined (__cplusplus)) +# include /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif # endif # endif # endif @@ -269,25 +341,52 @@ typedef struct YYLTYPE # ifdef YYSTACK_ALLOC /* Pacify GCC's `empty if-body' warning. */ # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2005 */ +# endif # else -# if defined (__STDC__) || defined (__cplusplus) -# include /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# ifdef __cplusplus +extern "C" { +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if (! defined (malloc) && ! defined (_STDLIB_H) \ + && (defined (__STDC__) || defined (__cplusplus))) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if (! defined (free) && ! defined (_STDLIB_H) \ + && (defined (__STDC__) || defined (__cplusplus))) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifdef __cplusplus +} # endif -# define YYSTACK_ALLOC malloc -# define YYSTACK_FREE free # 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; }; @@ -298,20 +397,20 @@ union yyalloc /* 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)) \ + ((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 # define YYCOPY(To, From, Count) \ do \ { \ - register YYSIZE_T yyi; \ + YYSIZE_T yyi; \ for (yyi = 0; yyi < (Count); yyi++) \ (To)[yyi] = (From)[yyi]; \ } \ @@ -340,28 +439,28 @@ union yyalloc #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 157 +#define YYLAST 158 /* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 46 +#define YYNTOKENS 51 /* YYNNTS -- Number of nonterminals. */ #define YYNNTS 25 /* YYNRULES -- Number of rules. */ -#define YYNRULES 74 +#define YYNRULES 79 /* YYNRULES -- Number of states. */ -#define YYNSTATES 101 +#define YYNSTATES 108 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 -#define YYMAXUTOK 300 +#define YYMAXUTOK 305 -#define YYTRANSLATE(YYX) \ +#define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ @@ -397,7 +496,7 @@ 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 + 45, 46, 47, 48, 49, 50 }; #if YYDEBUG @@ -406,74 +505,77 @@ static const unsigned char yytranslate[] = static const unsigned char yyprhs[] = { 0, 0, 3, 8, 9, 12, 14, 16, 18, 22, - 24, 26, 29, 33, 35, 37, 39, 43, 45, 49, - 51, 53, 56, 58, 60, 62, 64, 66, 68, 71, - 73, 76, 79, 80, 84, 85, 89, 93, 97, 99, - 101, 103, 104, 106, 108, 111, 113, 115, 118, 121, - 125, 127, 130, 132, 135, 137, 139, 142, 144, 145, - 149, 151, 155, 156, 159, 162, 166, 170, 174, 176, - 178, 180, 182, 184, 185 + 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[] = { - 47, 0, -1, 48, 42, 60, 70, -1, -1, 48, - 49, -1, 50, -1, 43, -1, 17, -1, 18, 69, - 69, -1, 19, -1, 20, -1, 21, 4, -1, 22, - 37, 69, -1, 23, -1, 24, -1, 25, -1, 26, - 37, 69, -1, 27, -1, 28, 37, 69, -1, 29, - -1, 30, -1, 31, 69, -1, 33, -1, 34, -1, - 35, -1, 38, -1, 54, -1, 51, -1, 32, 66, - -1, 10, -1, 8, 57, -1, 9, 57, -1, -1, - 6, 52, 59, -1, -1, 5, 53, 59, -1, 7, - 36, 57, -1, 55, 56, 57, -1, 11, -1, 12, - -1, 13, -1, -1, 36, -1, 66, -1, 57, 66, - -1, 36, -1, 40, -1, 40, 4, -1, 40, 68, - -1, 40, 4, 68, -1, 58, -1, 59, 58, -1, - 61, -1, 60, 61, -1, 62, -1, 50, -1, 1, - 38, -1, 38, -1, -1, 41, 63, 64, -1, 65, - -1, 64, 39, 65, -1, -1, 65, 66, -1, 65, - 67, -1, 65, 14, 66, -1, 65, 15, 4, -1, - 65, 16, 36, -1, 40, -1, 68, -1, 45, -1, - 3, -1, 3, -1, -1, 42, 44, -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, 161, 161, 169, 171, 175, 176, 177, 178, 179, - 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, - 190, 191, 192, 193, 194, 195, 199, 200, 201, 205, - 211, 218, 228, 228, 233, 233, 238, 248, 263, 264, - 265, 269, 270, 276, 277, 282, 286, 291, 297, 303, - 314, 315, 324, 325, 331, 332, 337, 341, 345, 345, - 349, 350, 355, 356, 358, 360, 362, 364, 369, 370, - 374, 380, 389, 396, 398 + 0, 188, 188, 196, 198, 202, 203, 204, 205, 206, + 207, 208, 209, 210, 211, 216, 220, 221, 222, 223, + 224, 225, 226, 227, 228, 229, 230, 231, 232, 236, + 237, 238, 242, 248, 255, 262, 266, 273, 273, 278, + 278, 283, 293, 308, 309, 310, 314, 315, 321, 322, + 327, 331, 336, 342, 348, 359, 360, 369, 370, 376, + 377, 382, 389, 389, 393, 394, 395, 400, 401, 403, + 405, 407, 409, 414, 415, 419, 425, 434, 439, 441 }; #endif -#if YYDEBUG || YYERROR_VERBOSE -/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { - "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"", - "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"", - "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"", - "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"", - "\"%define\"", "\"%defines\"", "\"%error-verbose\"", "\"%expect\"", - "\"%file-prefix\"", "\"%glr-parser\"", "\"%lex-param {...}\"", - "\"%locations\"", "\"%name-prefix\"", "\"%no-lines\"", "\"%output\"", - "\"%parse-param {...}\"", "\"%pure-parser\"", "\"%skeleton\"", - "\"%start\"", "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", - "\"type\"", "\"=\"", "\";\"", "\"|\"", "\"identifier\"", - "\"identifier:\"", "\"%%\"", "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", - "$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", + "\"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 @@ -481,40 +583,41 @@ static const char *const yytname[] = # 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 + 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, 46, 47, 48, 48, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 50, 50, 50, 50, - 50, 50, 52, 51, 53, 51, 51, 54, 55, 55, - 55, 56, 56, 57, 57, 58, 58, 58, 58, 58, - 59, 59, 60, 60, 61, 61, 61, 61, 63, 62, - 64, 64, 65, 65, 65, 65, 65, 65, 66, 66, - 67, 68, 69, 70, 70 + 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, 2, 1, 1, 1, 3, 1, - 1, 2, 3, 1, 1, 1, 3, 1, 3, 1, - 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, - 2, 2, 0, 3, 0, 3, 3, 3, 1, 1, - 1, 0, 1, 1, 2, 1, 1, 2, 2, 3, - 1, 2, 1, 2, 1, 1, 2, 1, 0, 3, - 1, 3, 0, 2, 2, 3, 3, 3, 1, 1, - 1, 1, 1, 0, 2 + 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 @@ -522,131 +625,115 @@ static const unsigned char yyr2[] = means the default is an error. */ static const unsigned char yydefact[] = { - 3, 0, 0, 1, 34, 32, 0, 0, 0, 29, - 38, 39, 40, 7, 0, 9, 10, 0, 0, 13, - 14, 15, 0, 17, 0, 19, 20, 0, 0, 22, - 23, 24, 25, 0, 6, 4, 5, 27, 26, 41, - 0, 0, 0, 71, 68, 30, 43, 69, 31, 72, - 0, 11, 0, 0, 0, 21, 28, 0, 57, 58, - 55, 0, 52, 54, 42, 0, 45, 46, 50, 35, - 33, 36, 44, 8, 12, 16, 18, 56, 62, 0, - 53, 2, 37, 47, 48, 51, 59, 60, 74, 49, - 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, 35, 60, 37, 41, 40, 38, 39, - 65, 45, 68, 69, 61, 62, 63, 78, 86, 87, - 46, 96, 47, 50, 81 + -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 STATE-NUM. */ -#define YYPACT_NINF -65 +#define YYPACT_NINF -67 static const yysigned_char yypact[] = { - -65, 5, 114, -65, -65, -65, -24, 1, 1, -65, - -65, -65, -65, -65, 10, -65, -65, 11, -23, -65, - -65, -65, -21, -65, -15, -65, -65, 10, 1, -65, - -65, -65, -65, 77, -65, -65, -65, -65, -65, -13, - -34, -34, 1, -65, -65, 1, -65, -65, 1, -65, - 10, -65, 10, 10, 10, -65, -65, -17, -65, -65, - -65, 39, -65, -65, -65, 1, -65, 4, -65, -34, - -34, 1, -65, -65, -65, -65, -65, -65, -65, -20, - -65, -65, 1, 22, -65, -65, -12, 15, -65, -65, - -65, 1, 24, -10, -65, -65, -65, 15, -65, -65, - -65 + -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[] = { - -65, -65, -65, -65, 30, -65, -65, -65, -65, -65, - -65, -7, -60, -8, -65, -19, -65, -65, -65, -37, - -28, -65, -64, -16, -65 + -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, syntax error. */ -#define YYTABLE_NINF -74 +#define YYTABLE_NINF -79 static const yysigned_char yytable[] = { - 56, 48, 66, 84, 43, 3, 67, 43, 83, 85, - 85, 55, 42, 49, 52, 51, 53, 72, 43, 89, - 72, 77, 54, 64, 88, 43, 100, 90, 99, 91, - 92, 93, 36, 70, 73, 71, 74, 75, 76, -73, - 57, 44, 80, 72, 4, 5, 6, 7, 8, 9, - 10, 11, 12, 97, 72, 44, 0, 0, 82, 95, - 94, 0, 0, 98, 0, 0, 0, 0, 0, 95, - 0, 28, 0, 0, 0, 0, 0, 58, 57, 0, - 59, 79, 4, 5, 6, 7, 8, 9, 10, 11, - 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, - 0, 0, 0, 0, 0, 58, 0, 0, 59, 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, - 0, 0, 32, 0, 0, 0, 33, 34 + 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, 8, 36, 67, 3, 0, 40, 3, 4, 69, - 70, 27, 36, 3, 37, 4, 37, 45, 3, 83, - 48, 38, 37, 36, 44, 3, 36, 39, 4, 14, - 15, 16, 2, 41, 50, 42, 52, 53, 54, 0, - 1, 40, 61, 71, 5, 6, 7, 8, 9, 10, - 11, 12, 13, 90, 82, 40, -1, -1, 65, 87, - 45, -1, -1, 91, -1, -1, -1, -1, -1, 97, - -1, 32, -1, -1, -1, -1, -1, 38, 1, -1, - 41, 42, 5, 6, 7, 8, 9, 10, 11, 12, - 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, 32, - -1, -1, -1, -1, -1, 38, -1, -1, 41, 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, - -1, -1, 38, -1, -1, -1, 42, 43 + 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, 47, 48, 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, 38, 42, 43, 49, 50, 51, 54, 55, - 53, 52, 36, 3, 40, 57, 66, 68, 57, 3, - 69, 4, 37, 37, 37, 69, 66, 1, 38, 41, - 50, 60, 61, 62, 36, 56, 36, 40, 58, 59, - 59, 57, 66, 69, 69, 69, 69, 38, 63, 42, - 61, 70, 57, 4, 68, 58, 64, 65, 44, 68, - 39, 14, 15, 16, 45, 66, 67, 65, 66, 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 YYSIZE_T __SIZE_TYPE__ -#endif -#if ! defined (YYSIZE_T) && defined (size_t) -# define YYSIZE_T size_t -#endif -#if ! defined (YYSIZE_T) -# if defined (__STDC__) || defined (__cplusplus) -# include /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t -# endif -#endif -#if ! defined (YYSIZE_T) -# define YYSIZE_T unsigned int -#endif - #define yyerrok (yyerrstatus = 0) #define yyclearin (yychar = YYEMPTY) #define YYEMPTY (-2) @@ -654,7 +741,8 @@ static const unsigned char yystos[] = #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. @@ -675,26 +763,59 @@ do \ goto yybackup; \ } \ else \ - { \ - yyerror ("syntax error: cannot back up");\ + { \ + yyerror (YY_("syntax error: cannot back up")); \ YYERROR; \ } \ while (0) + #define YYTERROR 1 #define YYERRCODE 256 -/* YYLLOC_DEFAULT -- Compute the default location (before the actions - are run). */ +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) #ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ - 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) \ + do \ + if (N) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (0) #endif + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + /* YYLEX -- calling `yylex' with the right arguments. */ #ifdef YYLEX_PARAM @@ -717,36 +838,30 @@ do { \ YYFPRINTF Args; \ } while (0) -# define YYDSYMPRINT(Args) \ -do { \ - if (yydebug) \ - yysymprint Args; \ -} while (0) - -# define YYDSYMPRINTF(Title, Token, Value, Location) \ +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ do { \ if (yydebug) \ { \ YYFPRINTF (stderr, "%s ", Title); \ - yysymprint (stderr, \ - Token, Value, Location); \ + yysymprint (stderr, \ + Type, Value, Location); \ YYFPRINTF (stderr, "\n"); \ } \ } while (0) /*------------------------------------------------------------------. | yy_stack_print -- Print the state stack from its BOTTOM up to its | -| TOP (cinluded). | +| TOP (included). | `------------------------------------------------------------------*/ #if defined (__STDC__) || defined (__cplusplus) static void -yy_stack_print (short *bottom, short *top) +yy_stack_print (short int *bottom, short int *top) #else static void yy_stack_print (bottom, top) - short *bottom; - short *top; + short int *bottom; + short int *top; #endif { YYFPRINTF (stderr, "Stack now"); @@ -776,13 +891,13 @@ yy_reduce_print (yyrule) #endif { int yyi; - unsigned int yylineno = yyrline[yyrule]; - YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ", - yyrule - 1, yylineno); + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu), ", + 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]]); + YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); + YYFPRINTF (stderr, "-> %s\n", yytname[yyr1[yyrule]]); } # define YY_REDUCE_PRINT(Rule) \ @@ -796,8 +911,7 @@ do { \ int yydebug; #else /* !YYDEBUG */ # define YYDPRINTF(Args) -# define YYDSYMPRINT(Args) -# define YYDSYMPRINTF(Title, Token, Value, Location) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) # define YY_STACK_PRINT(Bottom, Top) # define YY_REDUCE_PRINT(Rule) #endif /* !YYDEBUG */ @@ -812,13 +926,9 @@ int yydebug; if the built-in stack extension method is used). Do not make this value too large; the results are undefined if - SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) evaluated with infinite-precision integer arithmetic. */ -#if YYMAXDEPTH == 0 -# undef YYMAXDEPTH -#endif - #ifndef YYMAXDEPTH # define YYMAXDEPTH 10000 #endif @@ -840,7 +950,7 @@ yystrlen (yystr) const char *yystr; # endif { - register const char *yys = yystr; + const char *yys = yystr; while (*yys++ != '\0') continue; @@ -865,8 +975,8 @@ yystpcpy (yydest, yysrc) const char *yysrc; # endif { - register char *yyd = yydest; - register const char *yys = yysrc; + char *yyd = yydest; + const char *yys = yysrc; while ((*yyd++ = *yys++) != '\0') continue; @@ -876,8 +986,162 @@ yystpcpy (yydest, yysrc) # endif # endif -#endif /* !YYERROR_VERBOSE */ +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + size_t yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into YYRESULT an error message about the unexpected token + YYCHAR while in state YYSTATE. Return the number of bytes copied, + including the terminating null byte. If YYRESULT is null, do not + copy anything; just return the number of bytes that would be + copied. As a special case, return 0 if an ordinary "syntax error" + message will do. Return YYSIZE_MAXIMUM if overflow occurs during + size calculation. */ +static YYSIZE_T +yysyntax_error (char *yyresult, int yystate, int yychar) +{ + int yyn = yypact[yystate]; + if (! (YYPACT_NINF < yyn && yyn < YYLAST)) + return 0; + else + { + int yytype = YYTRANSLATE (yychar); + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + int yysize_overflow = 0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + int yyx; + +# if 0 + /* This is so xgettext sees the translatable formats that are + constructed on the fly. */ + YY_("syntax error, unexpected %s"); + YY_("syntax error, unexpected %s, expecting %s"); + YY_("syntax error, unexpected %s, expecting %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); +# endif + char *yyfmt; + char const *yyf; + static char const yyunexpected[] = "syntax error, unexpected %s"; + static char const yyexpecting[] = ", expecting %s"; + static char const yyor[] = " or %s"; + char yyformat[sizeof yyunexpected + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; + char const *yyprefix = yyexpecting; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 1; + + yyarg[0] = yytname[yytype]; + yyfmt = yystpcpy (yyformat, yyunexpected); + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= yysize1 < yysize; + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } + + yyf = YY_(yyformat); + yysize1 = yysize + yystrlen (yyf); + yysize_overflow |= yysize1 < yysize; + yysize = yysize1; + + if (yysize_overflow) + return YYSIZE_MAXIMUM; + + if (yyresult) + { + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + char *yyp = yyresult; + int yyi = 0; + while ((*yyp = *yyf)) + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; + } +} +#endif /* YYERROR_VERBOSE */ #if YYDEBUG @@ -902,17 +1166,109 @@ yysymprint (yyoutput, yytype, yyvaluep, yylocationp) (void) yylocationp; if (yytype < YYNTOKENS) - { - YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); -# ifdef YYPRINT - YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); -# endif - } + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); else YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + YY_LOCATION_PRINT (yyoutput, *yylocationp); + YYFPRINTF (yyoutput, ": "); + +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# endif switch (yytype) { + case 3: /* "\"string\"" */ +#line 165 "parse-gram.y" + { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); }; +#line 1186 "parse-gram.c" + break; + case 4: /* "\"integer\"" */ +#line 178 "parse-gram.y" + { fprintf (stderr, "%d", (yyvaluep->integer)); }; +#line 1191 "parse-gram.c" + break; + case 8: /* "\"%destructor {...}\"" */ +#line 167 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1196 "parse-gram.c" + break; + case 9: /* "\"%printer {...}\"" */ +#line 171 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1201 "parse-gram.c" + break; + case 10: /* "\"%union {...}\"" */ +#line 172 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1206 "parse-gram.c" + break; + case 26: /* "\"%initial-action {...}\"" */ +#line 168 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1211 "parse-gram.c" + break; + case 27: /* "\"%lex-param {...}\"" */ +#line 169 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1216 "parse-gram.c" + break; + case 34: /* "\"%parse-param {...}\"" */ +#line 170 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1221 "parse-gram.c" + break; + case 41: /* "\"type\"" */ +#line 176 "parse-gram.y" + { fprintf (stderr, "<%s>", (yyvaluep->uniqstr)); }; +#line 1226 "parse-gram.c" + break; + case 45: /* "\"identifier\"" */ +#line 180 "parse-gram.y" + { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); }; +#line 1231 "parse-gram.c" + break; + case 46: /* "\"identifier:\"" */ +#line 182 "parse-gram.y" + { fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); }; +#line 1236 "parse-gram.c" + break; + case 48: /* "\"%{...%}\"" */ +#line 174 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1241 "parse-gram.c" + break; + case 49: /* "\"epilogue\"" */ +#line 174 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1246 "parse-gram.c" + break; + case 50: /* "\"{...}\"" */ +#line 173 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1251 "parse-gram.c" + break; + case 71: /* "symbol" */ +#line 180 "parse-gram.y" + { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); }; +#line 1256 "parse-gram.c" + break; + case 72: /* "action" */ +#line 173 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1261 "parse-gram.c" + break; + case 73: /* "string_as_id" */ +#line 180 "parse-gram.y" + { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); }; +#line 1266 "parse-gram.c" + break; + case 74: /* "string_content" */ +#line 165 "parse-gram.y" + { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); }; +#line 1271 "parse-gram.c" + break; default: break; } @@ -926,10 +1282,11 @@ yysymprint (yyoutput, yytype, yyvaluep, yylocationp) #if defined (__STDC__) || defined (__cplusplus) static void -yydestruct (int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp) +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp) #else static void -yydestruct (yytype, yyvaluep, yylocationp) +yydestruct (yymsg, yytype, yyvaluep, yylocationp) + const char *yymsg; int yytype; YYSTYPE *yyvaluep; YYLTYPE *yylocationp; @@ -939,6 +1296,10 @@ yydestruct (yytype, yyvaluep, yylocationp) (void) yyvaluep; (void) yylocationp; + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + switch (yytype) { @@ -987,28 +1348,34 @@ yyparse (void) #else int yyparse () - + ; #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 syntax errors so far. */ int yynerrs; -/* Location data for the lookahead symbol. */ +/* Location data for the look-ahead symbol. */ YYLTYPE yylloc; - register int yystate; - register int yyn; + int yystate; + int yyn; int yyresult; /* Number of tokens to shift before error messages enabled. */ int yyerrstatus; - /* Lookahead token as an internal (translated) token number. */ + /* Look-ahead token as an internal (translated) token number. */ int yytoken = 0; +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif /* Three stacks and their tools: `yyss': related to states, @@ -1019,20 +1386,21 @@ YYLTYPE yylloc; to reallocate them elsewhere. */ /* The state stack. */ - short yyssa[YYINITDEPTH]; - short *yyss = yyssa; - register short *yyssp; + short int yyssa[YYINITDEPTH]; + short int *yyss = yyssa; + short int *yyssp; /* The semantic value stack. */ YYSTYPE yyvsa[YYINITDEPTH]; YYSTYPE *yyvs = yyvsa; - register YYSTYPE *yyvsp; + YYSTYPE *yyvsp; /* The location stack. */ YYLTYPE yylsa[YYINITDEPTH]; YYLTYPE *yyls = yylsa; YYLTYPE *yylsp; - YYLTYPE *yylerrsp; + /* The locations where the error started and ended. */ + YYLTYPE yyerror_range[2]; #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) @@ -1062,6 +1430,25 @@ YYLTYPE yylloc; yyssp = yyss; yyvsp = yyvs; yylsp = yyls; +#if YYLTYPE_IS_TRIVIAL + /* Initialize the default location before parsing starts. */ + yylloc.first_line = yylloc.last_line = 1; + yylloc.first_column = yylloc.last_column = 0; +#endif + + + /* User initialization code. */ +#line 69 "parse-gram.y" +{ + /* Bison's grammar can initial empty locations, hence a default + location is needed. */ + yylloc.start.file = yylloc.end.file = current_file; + yylloc.start.line = yylloc.end.line = 1; + yylloc.start.column = yylloc.end.column = 0; +} +/* Line 1052 of yacc.c. */ +#line 1451 "parse-gram.c" + yylsp[0] = yylloc; goto yysetstate; /*------------------------------------------------------------. @@ -1087,14 +1474,14 @@ YYLTYPE yylloc; 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 data in use in that stack, in bytes. This used to be a conditional around just the two extra args, but that might be undefined if yyoverflow is a macro. */ - yyoverflow ("parser stack overflow", + yyoverflow (YY_("memory exhausted"), &yyss1, yysize * sizeof (*yyssp), &yyvs1, yysize * sizeof (*yyvsp), &yyls1, yysize * sizeof (*yylsp), @@ -1105,21 +1492,21 @@ YYLTYPE yylloc; } #else /* no yyoverflow */ # ifndef YYSTACK_RELOCATE - goto yyoverflowlab; + goto yyexhaustedlab; # else /* Extend the stack our own way. */ if (YYMAXDEPTH <= yystacksize) - goto yyoverflowlab; + goto yyexhaustedlab; yystacksize *= 2; if (YYMAXDEPTH < yystacksize) yystacksize = YYMAXDEPTH; { - short *yyss1 = yyss; + short int *yyss1 = yyss; union yyalloc *yyptr = (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); if (! yyptr) - goto yyoverflowlab; + goto yyexhaustedlab; YYSTACK_RELOCATE (yyss); YYSTACK_RELOCATE (yyvs); YYSTACK_RELOCATE (yyls); @@ -1151,18 +1538,18 @@ YYLTYPE yylloc; 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. */ + /* Not known => get a look-ahead token if don't already have one. */ - /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */ if (yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); @@ -1177,7 +1564,7 @@ yybackup: else { yytoken = YYTRANSLATE (yychar); - YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); } /* If the proper action on seeing token YYTOKEN is to reduce or to @@ -1197,8 +1584,8 @@ yybackup: if (yyn == YYFINAL) YYACCEPT; - /* Shift the lookahead token. */ - YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken])); + /* Shift the look-ahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); /* Discard the token being shifted unless it is eof. */ if (yychar != YYEOF) @@ -1244,374 +1631,406 @@ yyreduce: yyval = yyvsp[1-yylen]; /* Default location. */ - YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); + YYLLOC_DEFAULT (yyloc, yylsp - yylen, yylen); YY_REDUCE_PRINT (yyn); switch (yyn) { case 6: -#line 176 "parse-gram.y" - { prologue_augment (yyvsp[0].chars, yylsp[0]); } +#line 203 "parse-gram.y" + { prologue_augment ((yyvsp[0].chars), (yylsp[0])); } break; case 7: -#line 177 "parse-gram.y" - { debug_flag = 1; } +#line 204 "parse-gram.y" + { debug_flag = true; } break; case 8: -#line 178 "parse-gram.y" - { muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); } +#line 205 "parse-gram.y" + { muscle_insert ((yyvsp[-1].chars), (yyvsp[0].chars)); } break; case 9: -#line 179 "parse-gram.y" - { defines_flag = 1; } +#line 206 "parse-gram.y" + { defines_flag = true; } break; case 10: -#line 180 "parse-gram.y" - { error_verbose = 1; } +#line 207 "parse-gram.y" + { error_verbose = true; } break; case 11: -#line 181 "parse-gram.y" - { expected_conflicts = yyvsp[0].integer; } +#line 208 "parse-gram.y" + { expected_sr_conflicts = (yyvsp[0].integer); } break; case 12: -#line 182 "parse-gram.y" - { spec_file_prefix = yyvsp[0].chars; } +#line 209 "parse-gram.y" + { expected_rr_conflicts = (yyvsp[0].integer); } break; case 13: -#line 183 "parse-gram.y" - { glr_parser = 1; } +#line 210 "parse-gram.y" + { spec_file_prefix = (yyvsp[0].chars); } break; case 14: -#line 184 "parse-gram.y" - { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); } +#line 212 "parse-gram.y" + { + nondeterministic_parser = true; + glr_parser = true; + } break; case 15: -#line 185 "parse-gram.y" - { locations_flag = 1; } +#line 217 "parse-gram.y" + { + muscle_code_grow ("initial_action", (yyvsp[0].chars), (yylsp[0])); + } break; case 16: -#line 186 "parse-gram.y" - { spec_name_prefix = yyvsp[0].chars; } +#line 220 "parse-gram.y" + { add_param ("lex_param", (yyvsp[0].chars), (yylsp[0])); } break; case 17: -#line 187 "parse-gram.y" - { no_lines_flag = 1; } +#line 221 "parse-gram.y" + { locations_flag = true; } break; case 18: -#line 188 "parse-gram.y" - { spec_outfile = yyvsp[0].chars; } +#line 222 "parse-gram.y" + { spec_name_prefix = (yyvsp[0].chars); } break; case 19: -#line 189 "parse-gram.y" - { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); } +#line 223 "parse-gram.y" + { no_lines_flag = true; } break; case 20: -#line 190 "parse-gram.y" - { pure_parser = 1; } +#line 224 "parse-gram.y" + { nondeterministic_parser = true; } break; case 21: -#line 191 "parse-gram.y" - { skeleton = yyvsp[0].chars; } +#line 225 "parse-gram.y" + { spec_outfile = (yyvsp[0].chars); } break; case 22: -#line 192 "parse-gram.y" - { token_table_flag = 1; } +#line 226 "parse-gram.y" + { add_param ("parse_param", (yyvsp[0].chars), (yylsp[0])); } break; case 23: -#line 193 "parse-gram.y" - { report_flag = report_states; } +#line 227 "parse-gram.y" + { pure_parser = true; } break; case 24: -#line 194 "parse-gram.y" - { yacc_flag = 1; } +#line 228 "parse-gram.y" + { skeleton = (yyvsp[0].chars); } + break; + + case 25: +#line 229 "parse-gram.y" + { token_table_flag = true; } + break; + + case 26: +#line 230 "parse-gram.y" + { report_flag = report_states; } break; - case 28: -#line 202 "parse-gram.y" + case 27: +#line 231 "parse-gram.y" + { yacc_flag = true; } + break; + + case 31: +#line 239 "parse-gram.y" { - grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]); + grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0])); } break; - case 29: -#line 206 "parse-gram.y" + case 32: +#line 243 "parse-gram.y" { - typed = 1; - MUSCLE_INSERT_INT ("stype_line", yylsp[0].start.line); - muscle_insert ("stype", yyvsp[0].chars); + typed = true; + MUSCLE_INSERT_INT ("stype_line", (yylsp[0]).start.line); + muscle_insert ("stype", (yyvsp[0].chars)); } break; - case 30: -#line 212 "parse-gram.y" + case 33: +#line 249 "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); + 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 31: -#line 219 "parse-gram.y" + case 34: +#line 256 "parse-gram.y" { symbol_list *list; - for (list = yyvsp[0].list; list; list = list->next) - symbol_printer_set (list->sym, yyvsp[-1].chars, list->location); - symbol_list_free (yyvsp[0].list); + for (list = (yyvsp[0].list); list; list = list->next) + symbol_printer_set (list->sym, (yyvsp[-1].chars), list->location); + symbol_list_free ((yyvsp[0].list)); } break; - case 32: -#line 228 "parse-gram.y" + case 35: +#line 263 "parse-gram.y" + { + default_prec = true; + } + break; + + case 36: +#line 267 "parse-gram.y" + { + default_prec = false; + } + break; + + case 37: +#line 273 "parse-gram.y" { current_class = nterm_sym; } break; - case 33: -#line 229 "parse-gram.y" + case 38: +#line 274 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; } break; - case 34: -#line 233 "parse-gram.y" + case 39: +#line 278 "parse-gram.y" { current_class = token_sym; } break; - case 35: -#line 234 "parse-gram.y" + case 40: +#line 279 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; } break; - case 36: -#line 239 "parse-gram.y" + case 41: +#line 284 "parse-gram.y" { symbol_list *list; - for (list = yyvsp[0].list; list; list = list->next) - symbol_type_set (list->sym, yyvsp[-1].uniqstr, yylsp[-1]); - symbol_list_free (yyvsp[0].list); + for (list = (yyvsp[0].list); list; list = list->next) + symbol_type_set (list->sym, (yyvsp[-1].uniqstr), (yylsp[-1])); + symbol_list_free ((yyvsp[0].list)); } break; - case 37: -#line 249 "parse-gram.y" + case 42: +#line 294 "parse-gram.y" { symbol_list *list; ++current_prec; - for (list = yyvsp[0].list; list; list = list->next) + for (list = (yyvsp[0].list); list; list = list->next) { - symbol_type_set (list->sym, current_type, yylsp[-1]); - symbol_precedence_set (list->sym, current_prec, yyvsp[-2].assoc, yylsp[-2]); + symbol_type_set (list->sym, current_type, (yylsp[-1])); + symbol_precedence_set (list->sym, current_prec, (yyvsp[-2].assoc), (yylsp[-2])); } - symbol_list_free (yyvsp[0].list); + symbol_list_free ((yyvsp[0].list)); current_type = NULL; } break; - case 38: -#line 263 "parse-gram.y" - { yyval.assoc = left_assoc; } + case 43: +#line 308 "parse-gram.y" + { (yyval.assoc) = left_assoc; } break; - case 39: -#line 264 "parse-gram.y" - { yyval.assoc = right_assoc; } + case 44: +#line 309 "parse-gram.y" + { (yyval.assoc) = right_assoc; } break; - case 40: -#line 265 "parse-gram.y" - { yyval.assoc = non_assoc; } + case 45: +#line 310 "parse-gram.y" + { (yyval.assoc) = non_assoc; } break; - case 41: -#line 269 "parse-gram.y" + case 46: +#line 314 "parse-gram.y" { current_type = NULL; } break; - case 42: -#line 270 "parse-gram.y" - { current_type = yyvsp[0].uniqstr; } + case 47: +#line 315 "parse-gram.y" + { current_type = (yyvsp[0].uniqstr); } break; - case 43: -#line 276 "parse-gram.y" - { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); } + case 48: +#line 321 "parse-gram.y" + { (yyval.list) = symbol_list_new ((yyvsp[0].symbol), (yylsp[0])); } break; - case 44: -#line 277 "parse-gram.y" - { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); } + case 49: +#line 322 "parse-gram.y" + { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].symbol), (yylsp[0])); } break; - case 45: -#line 283 "parse-gram.y" + case 50: +#line 328 "parse-gram.y" { - current_type = yyvsp[0].uniqstr; + current_type = (yyvsp[0].uniqstr); } break; - case 46: -#line 287 "parse-gram.y" + case 51: +#line 332 "parse-gram.y" { - symbol_class_set (yyvsp[0].symbol, current_class, yylsp[0]); - symbol_type_set (yyvsp[0].symbol, current_type, yylsp[0]); + symbol_class_set ((yyvsp[0].symbol), current_class, (yylsp[0])); + symbol_type_set ((yyvsp[0].symbol), current_type, (yylsp[0])); } break; - case 47: -#line 292 "parse-gram.y" + case 52: +#line 337 "parse-gram.y" { - symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); - symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); - symbol_user_token_number_set (yyvsp[-1].symbol, yyvsp[0].integer, yylsp[0]); + symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1])); + symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1])); + symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0])); } break; - case 48: -#line 298 "parse-gram.y" + case 53: +#line 343 "parse-gram.y" { - symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); - symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); - symbol_make_alias (yyvsp[-1].symbol, yyvsp[0].symbol, yyloc); + symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1])); + symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1])); + symbol_make_alias ((yyvsp[-1].symbol), (yyvsp[0].symbol), (yyloc)); } break; - case 49: -#line 304 "parse-gram.y" + case 54: +#line 349 "parse-gram.y" { - symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]); - symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]); - symbol_user_token_number_set (yyvsp[-2].symbol, yyvsp[-1].integer, yylsp[-1]); - symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol, yyloc); + symbol_class_set ((yyvsp[-2].symbol), current_class, (yylsp[-2])); + symbol_type_set ((yyvsp[-2].symbol), current_type, (yylsp[-2])); + symbol_user_token_number_set ((yyvsp[-2].symbol), (yyvsp[-1].integer), (yylsp[-1])); + symbol_make_alias ((yyvsp[-2].symbol), (yyvsp[0].symbol), (yyloc)); } break; - case 55: -#line 333 "parse-gram.y" + case 60: +#line 378 "parse-gram.y" { if (yacc_flag) - complain_at (yyloc, _("POSIX forbids declarations in the grammar")); + complain_at ((yyloc), _("POSIX forbids declarations in the grammar")); } break; - case 56: -#line 338 "parse-gram.y" + case 61: +#line 383 "parse-gram.y" { yyerrok; } break; - case 58: -#line 345 "parse-gram.y" - { current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; } + case 62: +#line 389 "parse-gram.y" + { current_lhs = (yyvsp[0].symbol); current_lhs_location = (yylsp[0]); } break; - case 60: -#line 349 "parse-gram.y" - { grammar_rule_end (yylsp[0]); } + case 64: +#line 393 "parse-gram.y" + { grammar_rule_end ((yylsp[0])); } break; - case 61: -#line 350 "parse-gram.y" - { grammar_rule_end (yylsp[0]); } + case 65: +#line 394 "parse-gram.y" + { grammar_rule_end ((yylsp[0])); } break; - case 62: -#line 355 "parse-gram.y" + case 67: +#line 400 "parse-gram.y" { grammar_rule_begin (current_lhs, current_lhs_location); } break; - case 63: -#line 357 "parse-gram.y" - { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); } + case 68: +#line 402 "parse-gram.y" + { grammar_current_rule_symbol_append ((yyvsp[0].symbol), (yylsp[0])); } break; - case 64: -#line 359 "parse-gram.y" - { grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); } + case 69: +#line 404 "parse-gram.y" + { grammar_current_rule_action_append ((yyvsp[0].chars), (yylsp[0])); } break; - case 65: -#line 361 "parse-gram.y" - { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); } + case 70: +#line 406 "parse-gram.y" + { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); } break; - case 66: -#line 363 "parse-gram.y" - { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); } + case 71: +#line 408 "parse-gram.y" + { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); } break; - case 67: -#line 365 "parse-gram.y" - { grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); } + case 72: +#line 410 "parse-gram.y" + { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); } break; - case 68: -#line 369 "parse-gram.y" - { yyval.symbol = yyvsp[0].symbol; } + case 73: +#line 414 "parse-gram.y" + { (yyval.symbol) = (yyvsp[0].symbol); } break; - case 69: -#line 370 "parse-gram.y" - { yyval.symbol = yyvsp[0].symbol; } + case 74: +#line 415 "parse-gram.y" + { (yyval.symbol) = (yyvsp[0].symbol); } break; - case 70: -#line 375 "parse-gram.y" - { yyval.chars = yyvsp[0].chars; } + case 75: +#line 420 "parse-gram.y" + { (yyval.chars) = (yyvsp[0].chars); } break; - case 71: -#line 381 "parse-gram.y" + case 76: +#line 426 "parse-gram.y" { - yyval.symbol = symbol_get (yyvsp[0].chars, yylsp[0]); - symbol_class_set (yyval.symbol, token_sym, yylsp[0]); + (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[0].chars)), (yylsp[0])); + symbol_class_set ((yyval.symbol), token_sym, (yylsp[0])); } break; - case 72: -#line 390 "parse-gram.y" - { - yyval.chars = yyvsp[0].chars + 1; - yyval.chars[strlen (yyval.chars) - 1] = '\0'; - } + case 77: +#line 435 "parse-gram.y" + { (yyval.chars) = (yyvsp[0].chars); } break; - case 74: -#line 399 "parse-gram.y" + case 79: +#line 442 "parse-gram.y" { - epilogue_augment (yyvsp[0].chars, yylsp[0]); + muscle_code_grow ("epilogue", (yyvsp[0].chars), (yylsp[0])); scanner_last_string_free (); } break; + default: break; } -/* Line 991 of yacc.c. */ -#line 1615 "parse-gram.c" +/* Line 1248 of yacc.c. */ +#line 2034 "parse-gram.c" yyvsp -= yylen; yyssp -= yylen; @@ -1645,113 +2064,91 @@ yyerrlab: if (!yyerrstatus) { ++yynerrs; -#if YYERROR_VERBOSE - yyn = yypact[yystate]; - - if (YYPACT_NINF < yyn && yyn < YYLAST) - { - YYSIZE_T yysize = 0; - int yytype = YYTRANSLATE (yychar); - char *yymsg; - int yyx, yycount; - - 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++) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - yysize += yystrlen (yytname[yyx]) + 15, yycount++; - yysize += yystrlen ("syntax error, unexpected ") + 1; - yysize += yystrlen (yytname[yytype]); - yymsg = (char *) YYSTACK_ALLOC (yysize); - if (yymsg != 0) - { - 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++) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - { - const char *yyq = ! yycount ? ", expecting " : " or "; - yyp = yystpcpy (yyp, yyq); - yyp = yystpcpy (yyp, yytname[yyx]); - yycount++; - } - } - yyerror (yymsg); +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) YYSTACK_FREE (yymsg); - } - else - yyerror ("syntax error; also virtual memory exhausted"); - } - else -#endif /* YYERROR_VERBOSE */ - yyerror ("syntax error"); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + } + } + + if (0 < yysize && yysize <= yymsg_alloc) + { + (void) yysyntax_error (yymsg, yystate, yychar); + yyerror (yymsg); + } + else + { + yyerror (YY_("syntax error")); + if (yysize != 0) + goto yyexhaustedlab; + } + } +#endif } - yylerrsp = yylsp; + yyerror_range[0] = yylloc; 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) - { - YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); - yydestruct (yystos[*yyssp], yyvsp, yylsp); - YYPOPSTACK; - } - YYABORT; + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; } - - YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc); - yydestruct (yytoken, &yylval, &yylloc); - yychar = YYEMPTY; - *++yylerrsp = yylloc; + else + { + yydestruct ("Error: discarding", yytoken, &yylval, &yylloc); + yychar = YYEMPTY; + } } - /* 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 yyerrlab2; + goto yyerrlab1; -/*----------------------------------------------------. -| yyerrlab1 -- error raised explicitly by an action. | -`----------------------------------------------------*/ -yyerrlab1: +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: - /* Suppress GCC warning that yyerrlab1 is unused when no action - invokes YYERROR. MacOS 10.2.3's buggy "smart preprocessor" - insists on the trailing semicolon. */ -#if defined (__GNUC_MINOR__) && 2093 <= (__GNUC__ * 1000 + __GNUC_MINOR__) - /* GNU C++ (as of version 3.2.1) does not allow attributes on labels. */ -# ifndef __cplusplus - __attribute__ ((__unused__)); -# endif -#endif + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (0) + goto yyerrorlab; - yylerrsp = yylsp; - *++yylerrsp = yyloc; - goto yyerrlab2; + yyerror_range[0] = yylsp[1-yylen]; + yylsp -= yylen; + yyvsp -= yylen; + yyssp -= yylen; + yystate = *yyssp; + goto yyerrlab1; -/*---------------------------------------------------------------. -| yyerrlab2 -- pop states until the error token can be shifted. | -`---------------------------------------------------------------*/ -yyerrlab2: +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: yyerrstatus = 3; /* Each real token shifted decrements this. */ for (;;) @@ -1772,23 +2169,27 @@ yyerrlab2: if (yyssp == yyss) YYABORT; - YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); - yydestruct (yystos[yystate], yyvsp, yylsp); - yyvsp--; - yystate = *--yyssp; - yylsp--; + yyerror_range[0] = *yylsp; + yydestruct ("Error: popping", yystos[yystate], yyvsp, yylsp); + YYPOPSTACK; + yystate = *yyssp; YY_STACK_PRINT (yyss, yyssp); } if (yyn == YYFINAL) YYACCEPT; - YYDPRINTF ((stderr, "Shifting error token, ")); - *++yyvsp = yylval; - YYLLOC_DEFAULT (yyloc, yylsp, (yylerrsp - yylsp)); + + yyerror_range[1] = yylloc; + /* Using YYLLOC is tempting, but would change the location of + the look-ahead. YYLOC is available though. */ + YYLLOC_DEFAULT (yyloc, yyerror_range - 1, 2); *++yylsp = yyloc; + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + yystate = yyn; goto yynewstate; @@ -1808,25 +2209,38 @@ yyabortlab: goto yyreturn; #ifndef yyoverflow -/*----------------------------------------------. -| yyoverflowlab -- parser overflow comes here. | -`----------------------------------------------*/ -yyoverflowlab: - yyerror ("parser stack overflow"); +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); yyresult = 2; /* Fall through. */ #endif yyreturn: + if (yychar != YYEOF && yychar != YYEMPTY) + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval, &yylloc); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp, yylsp); + YYPOPSTACK; + } #ifndef yyoverflow if (yyss != yyssa) YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); #endif return yyresult; } -#line 405 "parse-gram.y" +#line 448 "parse-gram.y" @@ -1840,7 +2254,11 @@ lloc_default (YYLTYPE const *rhs, int n) { int i; YYLTYPE loc; - loc.start = loc.end = rhs[n].end; + + /* 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, @@ -1862,22 +2280,28 @@ lloc_default (YYLTYPE const *rhs, int n) static void add_param (char const *type, char *decl, location loc) { - static char const alphanum[] = - "0123456789" + static char const alphanum[26 + 26 + 1 + 10] = "abcdefghijklmnopqrstuvwxyz" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "_"; - char const *alpha = alphanum + 10; + "_" + "0123456789"; char const *name_start = NULL; char *p; - for (p = decl; *p; p++) - if ((p == decl || ! strchr (alphanum, p[-1])) && strchr (alpha, p[0])) + /* Stop on last actual character. */ + for (p = decl; p[1]; p++) + if ((p == decl + || ! memchr (alphanum, p[-1], sizeof alphanum)) + && memchr (alphanum, p[0], sizeof alphanum - 10)) name_start = p; - /* Strip the surrounding '{' and '}'. */ - decl++; - p[-1] = '\0'; + /* Strip the surrounding '{' and '}', and any blanks just inside + the braces. */ + while (*--p == ' ' || *p == '\t') + continue; + p[1] = '\0'; + while (*++decl == ' ' || *decl == '\t') + continue; if (! name_start) complain_at (loc, _("missing identifier in parameter declaration")); @@ -1887,7 +2311,7 @@ add_param (char const *type, char *decl, location loc) size_t name_len; for (name_len = 1; - name_start[name_len] && strchr (alphanum, name_start[name_len]); + memchr (alphanum, name_start[name_len], sizeof alphanum); name_len++) continue; @@ -1901,49 +2325,6 @@ add_param (char const *type, char *decl, location loc) scanner_last_string_free (); } -/*----------------------------------------------------. -| When debugging the parser, display tokens' values. | -`----------------------------------------------------*/ - -static void -print_token_value (FILE *file, int type, YYSTYPE const *value) -{ - fputc (' ', file); - switch (type) - { - case ID: - fprintf (file, " = %s", value->symbol->tag); - break; - - case INT: - fprintf (file, " = %d", value->integer); - break; - - case STRING: - fprintf (file, " = \"%s\"", value->chars); - break; - - case TYPE: - 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->chars); - break; - - default: - fprintf (file, "unknown token type"); - break; - } -} - static void gram_error (location const *loc, char const *msg) { @@ -1953,6 +2334,6 @@ gram_error (location const *loc, char const *msg) char const * token_name (int type) { - return yytname[type]; + return yytname[YYTRANSLATE (type)]; }