X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/66ef8b9d658b091bb3deb7a25067d6b2aa7566dc..e2a8c0f591c1f8ca0909faee23914f62bacb866c:/src/parse-gram.c diff --git a/src/parse-gram.c b/src/parse-gram.c index c2f4f27f..d923bc4f 100644 --- a/src/parse-gram.c +++ b/src/parse-gram.c @@ -1,7 +1,7 @@ -/* A Bison parser, made by GNU Bison 1.875c. */ +/* 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, 2006 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -15,16 +15,16 @@ 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. This special exception was added by the Free Software Foundation in version 1.24 of Bison. */ -/* Written by Richard Stallman by simplifying the original so called - ``semantic'' parser. */ +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ /* All symbols defined below should begin with yy or YY, to avoid infringing on user name space. This should be done even for local @@ -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 @@ -83,35 +85,38 @@ PERCENT_DEFINES = 275, PERCENT_ERROR_VERBOSE = 276, PERCENT_EXPECT = 277, - PERCENT_FILE_PREFIX = 278, - PERCENT_GLR_PARSER = 279, - PERCENT_INITIAL_ACTION = 280, - PERCENT_LEX_PARAM = 281, - PERCENT_LOCATIONS = 282, - PERCENT_NAME_PREFIX = 283, - PERCENT_NO_DEFAULT_PREC = 284, - PERCENT_NO_LINES = 285, - PERCENT_NONDETERMINISTIC_PARSER = 286, - PERCENT_OUTPUT = 287, - PERCENT_PARSE_PARAM = 288, - PERCENT_PURE_PARSER = 289, - PERCENT_SKELETON = 290, - PERCENT_START = 291, - PERCENT_TOKEN_TABLE = 292, - PERCENT_VERBOSE = 293, - PERCENT_YACC = 294, - TYPE = 295, - EQUAL = 296, - SEMICOLON = 297, - PIPE = 298, - ID = 299, - ID_COLON = 300, - PERCENT_PERCENT = 301, - PROLOGUE = 302, - EPILOGUE = 303, - BRACED_CODE = 304 + 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_REQUIRE = 291, + PERCENT_SKELETON = 292, + PERCENT_START = 293, + PERCENT_TOKEN_TABLE = 294, + PERCENT_VERBOSE = 295, + PERCENT_YACC = 296, + TYPE = 297, + EQUAL = 298, + SEMICOLON = 299, + PIPE = 300, + ID = 301, + ID_COLON = 302, + PERCENT_PERCENT = 303, + PROLOGUE = 304, + EPILOGUE = 305, + BRACED_CODE = 306 }; #endif +/* Tokens. */ #define GRAM_EOF 0 #define STRING 258 #define INT 259 @@ -133,40 +138,64 @@ #define PERCENT_DEFINES 275 #define PERCENT_ERROR_VERBOSE 276 #define PERCENT_EXPECT 277 -#define PERCENT_FILE_PREFIX 278 -#define PERCENT_GLR_PARSER 279 -#define PERCENT_INITIAL_ACTION 280 -#define PERCENT_LEX_PARAM 281 -#define PERCENT_LOCATIONS 282 -#define PERCENT_NAME_PREFIX 283 -#define PERCENT_NO_DEFAULT_PREC 284 -#define PERCENT_NO_LINES 285 -#define PERCENT_NONDETERMINISTIC_PARSER 286 -#define PERCENT_OUTPUT 287 -#define PERCENT_PARSE_PARAM 288 -#define PERCENT_PURE_PARSER 289 -#define PERCENT_SKELETON 290 -#define PERCENT_START 291 -#define PERCENT_TOKEN_TABLE 292 -#define PERCENT_VERBOSE 293 -#define PERCENT_YACC 294 -#define TYPE 295 -#define EQUAL 296 -#define SEMICOLON 297 -#define PIPE 298 -#define ID 299 -#define ID_COLON 300 -#define PERCENT_PERCENT 301 -#define PROLOGUE 302 -#define EPILOGUE 303 -#define BRACED_CODE 304 +#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_REQUIRE 291 +#define PERCENT_SKELETON 292 +#define PERCENT_START 293 +#define PERCENT_TOKEN_TABLE 294 +#define PERCENT_VERBOSE 295 +#define PERCENT_YACC 296 +#define TYPE 297 +#define EQUAL 298 +#define SEMICOLON 299 +#define PIPE 300 +#define ID 301 +#define ID_COLON 302 +#define PERCENT_PERCENT 303 +#define PROLOGUE 304 +#define EPILOGUE 305 +#define BRACED_CODE 306 /* 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, 2006 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 #include "system.h" #include "complain.h" @@ -176,31 +205,46 @@ #include "gram.h" #include "muscle_tab.h" #include "output.h" +#include "quotearg.h" #include "reader.h" #include "symlist.h" +#include "strverscmp.h" #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) + +static void version_check (location const *loc, char const *version); + /* 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) + 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; -symbol *current_lhs; -location current_lhs_location; -assoc current_assoc; -int current_prec = 0; +static symbol_class current_class = unknown_sym; +static uniqstr current_type = 0; +static symbol *current_lhs; +static location current_lhs_location; +static int current_prec = 0; + +#ifdef UINT_FAST8_MAX +# define YYTYPE_UINT8 uint_fast8_t +#endif +#ifdef INT_FAST8_MAX +# define YYTYPE_INT8 int_fast8_t +#endif +#ifdef UINT_FAST16_MAX +# define YYTYPE_UINT16 uint_fast16_t +#endif +#ifdef INT_FAST16_MAX +# define YYTYPE_INT16 int_fast16_t +#endif /* Enabling traces. */ @@ -216,24 +260,31 @@ int current_prec = 0; # define YYERROR_VERBOSE 1 #endif -#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) -#line 80 "parse-gram.y" -typedef union YYSTYPE { +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +#line 95 "parse-gram.y" +{ symbol *symbol; symbol_list *list; int integer; char *chars; assoc assoc; uniqstr uniqstr; -} YYSTYPE; -/* Line 191 of yacc.c. */ -#line 231 "parse-gram.c" +} +/* Line 198 of yacc.c. */ +#line 281 "parse-gram.c" + YYSTYPE; # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 # define YYSTYPE_IS_TRIVIAL 1 #endif -#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED) +#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED typedef struct YYLTYPE { int first_line; @@ -250,57 +301,170 @@ typedef struct YYLTYPE /* Copy the second part of user declarations. */ -/* Line 214 of yacc.c. */ -#line 255 "parse-gram.c" +/* Line 221 of yacc.c. */ +#line 306 "parse-gram.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif -#if ! defined (yyoverflow) || YYERROR_VERBOSE +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) -# ifndef YYFREE -# define YYFREE free +#ifndef YY_ +# if YYENABLE_NLS +# if ENABLE_NLS +# include /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif # endif -# ifndef YYMALLOC -# define YYMALLOC malloc +# ifndef YY_ +# define YY_(msgid) msgid # endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int i) +#else +static int +YYID (i) + int i; +#endif +{ + return i; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE /* The parser invokes alloca or malloc; define the necessary symbols. */ # ifdef YYSTACK_USE_ALLOCA # if YYSTACK_USE_ALLOCA -# define YYSTACK_ALLOC alloca -# endif -# else -# if defined (alloca) || defined (_ALLOCA_H) -# define YYSTACK_ALLOC alloca -# else # 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 +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif # endif # endif # endif # ifdef YYSTACK_ALLOC - /* Pacify GCC's `empty if-body' warning. */ -# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) -# else -# if defined (__STDC__) || defined (__cplusplus) -# include /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ # endif +# else # define YYSTACK_ALLOC YYMALLOC # define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# ifdef __cplusplus +extern "C" { +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifdef __cplusplus +} +# endif # endif -#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ -#if (! defined (yyoverflow) \ - && (! defined (__cplusplus) \ - || (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \ - && defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL))) +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (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; + yytype_int16 yyss; YYSTYPE yyvs; YYLTYPE yyls; }; @@ -311,24 +475,24 @@ 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 (yytype_int16) + 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 defined (__GNUC__) && 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]; \ } \ - while (0) + while (YYID (0)) # endif # endif @@ -346,39 +510,33 @@ union yyalloc yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ yyptr += yynewbytes / sizeof (*yyptr); \ } \ - while (0) + while (YYID (0)) #endif -#if defined (__STDC__) || defined (__cplusplus) - typedef signed char yysigned_char; -#else - typedef short yysigned_char; -#endif - -/* YYFINAL -- State number of the termination state. */ +/* YYFINAL -- State number of the termination state. */ #define YYFINAL 3 /* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 156 +#define YYLAST 161 -/* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 50 -/* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 25 -/* YYNRULES -- Number of rules. */ -#define YYNRULES 78 -/* YYNRULES -- Number of states. */ -#define YYNSTATES 106 +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 52 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 26 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 82 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 111 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 -#define YYMAXUTOK 304 +#define YYMAXUTOK 306 -#define YYTRANSLATE(YYX) \ +#define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ -static const unsigned char yytranslate[] = +static const yytype_uint8 yytranslate[] = { 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, @@ -410,66 +568,69 @@ 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, 47, 48, 49 + 45, 46, 47, 48, 49, 50, 51 }; #if YYDEBUG /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in YYRHS. */ -static const unsigned char yyprhs[] = +static const yytype_uint8 yyprhs[] = { - 0, 0, 3, 8, 9, 12, 14, 16, 18, 22, - 24, 26, 29, 33, 35, 37, 39, 41, 45, 47, - 49, 53, 55, 57, 60, 62, 64, 66, 68, 70, - 72, 75, 77, 80, 83, 85, 87, 88, 92, 93, - 97, 101, 105, 107, 109, 111, 112, 114, 116, 119, - 121, 123, 126, 129, 133, 135, 138, 140, 143, 145, - 148, 151, 152, 156, 158, 162, 165, 166, 169, 172, - 176, 180, 184, 186, 188, 190, 192, 194, 195 + 0, 0, 3, 8, 9, 12, 14, 16, 18, 21, + 25, 27, 29, 32, 35, 39, 41, 43, 45, 47, + 51, 53, 55, 59, 61, 63, 66, 69, 71, 73, + 75, 77, 79, 81, 84, 86, 89, 92, 94, 96, + 97, 101, 102, 106, 110, 114, 116, 118, 120, 121, + 123, 125, 128, 130, 132, 135, 138, 142, 144, 147, + 149, 152, 154, 157, 160, 161, 165, 167, 171, 174, + 175, 178, 181, 185, 189, 193, 195, 197, 198, 201, + 203, 205, 206 }; -/* YYRHS -- A `-1'-separated list of the rules' RHS. */ -static const yysigned_char yyrhs[] = +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = { - 51, 0, -1, 52, 46, 64, 74, -1, -1, 52, - 53, -1, 54, -1, 47, -1, 17, -1, 19, 73, - 73, -1, 20, -1, 21, -1, 22, 4, -1, 23, - 41, 73, -1, 24, -1, 25, -1, 26, -1, 27, - -1, 28, 41, 73, -1, 30, -1, 31, -1, 32, - 41, 73, -1, 33, -1, 34, -1, 35, 73, -1, - 37, -1, 38, -1, 39, -1, 42, -1, 58, -1, - 55, -1, 36, 70, -1, 10, -1, 8, 61, -1, - 9, 61, -1, 18, -1, 29, -1, -1, 6, 56, - 63, -1, -1, 5, 57, 63, -1, 7, 40, 61, - -1, 59, 60, 61, -1, 11, -1, 12, -1, 13, - -1, -1, 40, -1, 70, -1, 61, 70, -1, 40, - -1, 44, -1, 44, 4, -1, 44, 72, -1, 44, - 4, 72, -1, 62, -1, 63, 62, -1, 65, -1, - 64, 65, -1, 66, -1, 54, 42, -1, 1, 42, - -1, -1, 45, 67, 68, -1, 69, -1, 68, 43, - 69, -1, 68, 42, -1, -1, 69, 70, -1, 69, - 71, -1, 69, 14, 70, -1, 69, 15, 4, -1, - 69, 16, 40, -1, 44, -1, 72, -1, 49, -1, - 3, -1, 3, -1, -1, 46, 48, -1 + 53, 0, -1, 54, 48, 66, 77, -1, -1, 54, + 55, -1, 56, -1, 49, -1, 17, -1, 19, 76, + -1, 19, 76, 76, -1, 20, -1, 21, -1, 22, + 4, -1, 23, 4, -1, 24, 43, 76, -1, 25, + -1, 26, -1, 27, -1, 28, -1, 29, 43, 76, + -1, 31, -1, 32, -1, 33, 43, 76, -1, 34, + -1, 35, -1, 36, 76, -1, 37, 76, -1, 39, + -1, 40, -1, 41, -1, 44, -1, 60, -1, 57, + -1, 38, 72, -1, 10, -1, 8, 63, -1, 9, + 63, -1, 18, -1, 30, -1, -1, 6, 58, 65, + -1, -1, 5, 59, 65, -1, 7, 42, 63, -1, + 61, 62, 63, -1, 11, -1, 12, -1, 13, -1, + -1, 42, -1, 72, -1, 63, 72, -1, 42, -1, + 46, -1, 46, 4, -1, 46, 75, -1, 46, 4, + 75, -1, 64, -1, 65, 64, -1, 67, -1, 66, + 67, -1, 68, -1, 56, 44, -1, 1, 44, -1, + -1, 47, 69, 70, -1, 71, -1, 70, 45, 71, + -1, 70, 44, -1, -1, 71, 72, -1, 71, 73, + -1, 71, 14, 72, -1, 71, 15, 4, -1, 71, + 16, 42, -1, 46, -1, 75, -1, -1, 74, 51, + -1, 3, -1, 3, -1, -1, 48, 50, -1 }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ -static const unsigned short yyrline[] = +static const yytype_uint16 yyrline[] = { - 0, 172, 172, 180, 182, 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 + 0, 203, 203, 211, 213, 217, 218, 219, 220, 225, + 226, 227, 228, 229, 230, 231, 236, 240, 241, 242, + 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, + 253, 257, 258, 259, 263, 279, 286, 293, 297, 304, + 304, 309, 309, 314, 324, 339, 340, 341, 345, 346, + 352, 353, 358, 362, 367, 373, 379, 390, 391, 400, + 401, 407, 408, 409, 416, 416, 420, 421, 422, 427, + 428, 430, 431, 433, 435, 440, 441, 457, 457, 463, + 472, 477, 479 }; #endif -#if YYDEBUG || YYERROR_VERBOSE -/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. - First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +#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", "$undefined", "\"string\"", "\"integer\"", @@ -477,191 +638,184 @@ static const char *const yytname[] = "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"", "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"", - "\"%expect\"", "\"%file-prefix\"", "\"%glr-parser\"", + "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"", "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"", "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"", "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"", - "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"", - "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", "\";\"", "\"|\"", - "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"%{...%}\"", - "\"epilogue\"", "\"{...}\"", "$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 + "\"%pure-parser\"", "\"%require\"", "\"%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", "@4", "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 yytype_uint16 yytoknum[] = { 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, - 295, 296, 297, 298, 299, 300, 301, 302, 303, 304 + 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, + 305, 306 }; # endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const unsigned char yyr1[] = +static const yytype_uint8 yyr1[] = { - 0, 50, 51, 52, 52, 53, 53, 53, 53, 53, - 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, - 53, 53, 53, 53, 53, 53, 53, 53, 54, 54, - 54, 54, 54, 54, 54, 54, 56, 55, 57, 55, - 55, 58, 59, 59, 59, 60, 60, 61, 61, 62, - 62, 62, 62, 62, 63, 63, 64, 64, 65, 65, - 65, 67, 66, 68, 68, 68, 69, 69, 69, 69, - 69, 69, 70, 70, 71, 72, 73, 74, 74 + 0, 52, 53, 54, 54, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, + 55, 56, 56, 56, 56, 56, 56, 56, 56, 58, + 57, 59, 57, 57, 60, 61, 61, 61, 62, 62, + 63, 63, 64, 64, 64, 64, 64, 65, 65, 66, + 66, 67, 67, 67, 69, 68, 70, 70, 70, 71, + 71, 71, 71, 71, 71, 72, 72, 74, 73, 75, + 76, 77, 77 }; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ -static const unsigned char yyr2[] = +static const yytype_uint8 yyr2[] = { - 0, 2, 4, 0, 2, 1, 1, 1, 3, 1, - 1, 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 + 0, 2, 4, 0, 2, 1, 1, 1, 2, 3, + 1, 1, 2, 2, 3, 1, 1, 1, 1, 3, + 1, 1, 3, 1, 1, 2, 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, 0, 2, 1, + 1, 0, 2 }; /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state STATE-NUM when YYTABLE doesn't specify something else to do. Zero means the default is an error. */ -static const unsigned char yydefact[] = +static const yytype_uint8 yydefact[] = { - 3, 0, 0, 1, 38, 36, 0, 0, 0, 31, - 42, 43, 44, 7, 34, 0, 9, 10, 0, 0, - 13, 14, 15, 16, 0, 35, 18, 19, 0, 21, - 22, 0, 0, 24, 25, 26, 27, 0, 6, 4, - 5, 29, 28, 45, 0, 0, 0, 75, 72, 32, - 47, 73, 33, 76, 0, 11, 0, 0, 0, 23, - 30, 0, 61, 0, 0, 56, 58, 46, 0, 49, - 50, 54, 39, 37, 40, 48, 8, 12, 17, 20, - 60, 66, 59, 0, 57, 2, 41, 51, 52, 55, - 62, 63, 78, 53, 65, 66, 0, 0, 0, 74, - 67, 68, 64, 69, 70, 71 + 3, 0, 0, 1, 41, 39, 0, 0, 0, 34, + 45, 46, 47, 7, 37, 0, 10, 11, 0, 0, + 0, 15, 16, 17, 18, 0, 38, 20, 21, 0, + 23, 24, 0, 0, 0, 27, 28, 29, 30, 0, + 6, 4, 5, 32, 31, 48, 0, 0, 0, 79, + 75, 35, 50, 76, 36, 80, 8, 12, 13, 0, + 0, 0, 25, 26, 33, 0, 64, 0, 0, 59, + 61, 49, 0, 52, 53, 57, 42, 40, 43, 51, + 9, 14, 19, 22, 63, 69, 62, 0, 60, 2, + 44, 54, 55, 58, 65, 66, 82, 56, 68, 69, + 0, 0, 0, 70, 71, 0, 67, 72, 73, 74, + 78 }; -/* YYDEFGOTO[NTERM-NUM]. */ -static const yysigned_char yydefgoto[] = +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = { - -1, 1, 2, 39, 63, 41, 45, 44, 42, 43, - 68, 49, 71, 72, 64, 65, 66, 81, 90, 91, - 50, 101, 51, 54, 85 + -1, 1, 2, 41, 67, 43, 47, 46, 44, 45, + 72, 51, 75, 76, 68, 69, 70, 85, 94, 95, + 52, 104, 105, 53, 56, 89 }; /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ -#define YYPACT_NINF -67 -static const yysigned_char yypact[] = +#define YYPACT_NINF -69 +static const yytype_int8 yypact[] = { - -67, 8, 109, -67, -67, -67, -30, 0, 0, -67, - -67, -67, -67, -67, -67, 13, -67, -67, 20, -16, - -67, -67, -67, -67, -15, -67, -67, -67, -5, -67, - -67, 13, 0, -67, -67, -67, -67, 68, -67, -67, - -67, -67, -67, -3, -35, -35, 0, -67, -67, 0, - -67, -67, 0, -67, 13, -67, 13, 13, 13, -67, - -67, -4, -67, 4, 22, -67, -67, -67, 0, -67, - 3, -67, -35, -35, 0, -67, -67, -67, -67, -67, - -67, -67, -67, 1, -67, -67, 0, 38, -67, -67, - -31, -1, -67, -67, -67, -67, 0, 41, 7, -67, - -67, -67, -1, -67, -67, -67 + -69, 5, 112, -69, -69, -69, -35, 0, 0, -69, + -69, -69, -69, -69, -69, 13, -69, -69, 20, 31, + -18, -69, -69, -69, -69, -6, -69, -69, -69, -5, + -69, -69, 13, 13, 0, -69, -69, -69, -69, 69, + -69, -69, -69, -69, -69, -2, -38, -38, 0, -69, + -69, 0, -69, -69, 0, -69, 13, -69, -69, 13, + 13, 13, -69, -69, -69, -8, -69, 3, 21, -69, + -69, -69, 0, -69, 6, -69, -38, -38, 0, -69, + -69, -69, -69, -69, -69, -69, -69, 2, -69, -69, + 0, 39, -69, -69, -33, -1, -69, -69, -69, -69, + 0, 44, 1, -69, -69, 4, -1, -69, -69, -69, + -69 }; /* YYPGOTO[NTERM-NUM]. */ -static const yysigned_char yypgoto[] = +static const yytype_int8 yypgoto[] = { - -67, -67, -67, -67, 48, -67, -67, -67, -67, -67, - -67, -7, -54, 10, -67, -12, -67, -67, -67, -42, - -32, -67, -66, 31, -67 + -69, -69, -69, -69, 47, -69, -69, -69, -69, -69, + -69, -7, -58, 7, -69, -15, -69, -69, -69, -42, + -34, -69, -69, -68, 30, -69 }; /* 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 -78 -static const yysigned_char yytable[] = +#define YYTABLE_NINF -82 +static const yytype_int8 yytable[] = { - 60, 52, 47, 47, 88, 69, 47, 87, 3, 70, - 46, 94, 95, 96, 97, 98, 53, 75, 89, 89, - 75, 93, -77, 61, 55, 56, 57, 4, 5, 6, - 7, 8, 9, 10, 11, 12, 58, 67, 80, 74, - 14, 47, 75, 48, 48, 104, 82, 105, 99, 92, - 40, 25, 84, 102, 75, 73, 0, 0, 32, 100, - 0, 86, 59, 0, 103, 0, 0, 62, 83, 61, - 100, 0, 0, 4, 5, 6, 7, 8, 9, 10, - 11, 12, 0, 0, 0, 76, 14, 77, 78, 79, - 0, 0, 0, 0, 0, 0, 0, 25, 0, 0, - 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, - 0, 0, 0, 62, 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, 0, - 0, 36, 0, 0, 0, 37, 38 + 64, 54, 49, 49, 73, 3, 92, 48, 74, 49, + 91, 98, 99, 100, 101, 102, 55, 79, 93, 93, + 79, -81, 65, 97, 57, 59, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 58, 84, 60, 61, 14, + 71, 78, 49, 109, 79, 50, 50, 86, 108, 42, + -77, 26, 96, 88, 77, 110, 79, 106, 0, 34, + 0, 103, 62, 63, 0, 90, 107, 0, 66, 87, + 65, 0, 103, 0, 4, 5, 6, 7, 8, 9, + 10, 11, 12, 0, 0, 0, 80, 14, 0, 81, + 82, 83, 0, 0, 0, 0, 0, 0, 0, 26, + 0, 0, 0, 0, 0, 0, 0, 34, 0, 0, + 0, 0, 0, 0, 0, 0, 66, 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, 37, 0, 0, 38, 0, 0, 0, + 39, 40 }; -static const yysigned_char yycheck[] = +static const yytype_int8 yycheck[] = { - 32, 8, 3, 3, 70, 40, 3, 4, 0, 44, - 40, 42, 43, 14, 15, 16, 3, 49, 72, 73, - 52, 87, 0, 1, 4, 41, 41, 5, 6, 7, - 8, 9, 10, 11, 12, 13, 41, 40, 42, 46, - 18, 3, 74, 44, 44, 4, 42, 40, 49, 48, - 2, 29, 64, 95, 86, 45, -1, -1, 36, 91, - -1, 68, 31, -1, 96, -1, -1, 45, 46, 1, - 102, -1, -1, 5, 6, 7, 8, 9, 10, 11, - 12, 13, -1, -1, -1, 54, 18, 56, 57, 58, - -1, -1, -1, -1, -1, -1, -1, 29, -1, -1, - -1, -1, -1, -1, 36, -1, -1, -1, -1, -1, - -1, -1, -1, 45, 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, -1, - -1, 42, -1, -1, -1, 46, 47 + 34, 8, 3, 3, 42, 0, 74, 42, 46, 3, + 4, 44, 45, 14, 15, 16, 3, 51, 76, 77, + 54, 0, 1, 91, 4, 43, 5, 6, 7, 8, + 9, 10, 11, 12, 13, 4, 44, 43, 43, 18, + 42, 48, 3, 42, 78, 46, 46, 44, 4, 2, + 51, 30, 50, 68, 47, 51, 90, 99, -1, 38, + -1, 95, 32, 33, -1, 72, 100, -1, 47, 48, + 1, -1, 106, -1, 5, 6, 7, 8, 9, 10, + 11, 12, 13, -1, -1, -1, 56, 18, -1, 59, + 60, 61, -1, -1, -1, -1, -1, -1, -1, 30, + -1, -1, -1, -1, -1, -1, -1, 38, -1, -1, + -1, -1, -1, -1, -1, -1, 47, 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, 41, -1, -1, 44, -1, -1, -1, + 48, 49 }; /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ -static const unsigned char yystos[] = +static const yytype_uint8 yystos[] = { - 0, 51, 52, 0, 5, 6, 7, 8, 9, 10, + 0, 53, 54, 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, 36, 37, 38, 39, 42, 46, 47, 53, - 54, 55, 58, 59, 57, 56, 40, 3, 44, 61, - 70, 72, 61, 3, 73, 4, 41, 41, 41, 73, - 70, 1, 45, 54, 64, 65, 66, 40, 60, 40, - 44, 62, 63, 63, 61, 70, 73, 73, 73, 73, - 42, 67, 42, 46, 65, 74, 61, 4, 72, 62, - 68, 69, 48, 72, 42, 43, 14, 15, 16, 49, - 70, 71, 69, 70, 4, 40 + 34, 35, 36, 37, 38, 39, 40, 41, 44, 48, + 49, 55, 56, 57, 60, 61, 59, 58, 42, 3, + 46, 63, 72, 75, 63, 3, 76, 4, 4, 43, + 43, 43, 76, 76, 72, 1, 47, 56, 66, 67, + 68, 42, 62, 42, 46, 64, 65, 65, 63, 72, + 76, 76, 76, 76, 44, 69, 44, 48, 67, 77, + 63, 4, 75, 64, 70, 71, 50, 75, 44, 45, + 14, 15, 16, 72, 73, 74, 71, 72, 4, 42, + 51 }; -#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) @@ -687,30 +841,63 @@ do \ yychar = (Token); \ yylval = (Value); \ yytoken = YYTRANSLATE (yychar); \ - YYPOPSTACK; \ + YYPOPSTACK (1); \ goto yybackup; \ } \ else \ - { \ - yyerror ("syntax error: cannot back up");\ + { \ + yyerror (YY_("syntax error: cannot back up")); \ YYERROR; \ } \ -while (0) +while (YYID (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 (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) #endif + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + /* YYLEX -- calling `yylex' with the right arguments. */ #ifdef YYLEX_PARAM @@ -731,42 +918,181 @@ while (0) do { \ if (yydebug) \ YYFPRINTF Args; \ -} while (0) +} while (YYID (0)) -# define YYDSYMPRINT(Args) \ -do { \ - if (yydebug) \ - yysymprint Args; \ -} while (0) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value, Location); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) -# define YYDSYMPRINTF(Title, Token, Value, Location) \ -do { \ - if (yydebug) \ - { \ - YYFPRINTF (stderr, "%s ", Title); \ - yysymprint (stderr, \ - Token, Value, Location); \ - YYFPRINTF (stderr, "\n"); \ - } \ -} while (0) + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, const YYSTYPE * const yyvaluep, const YYLTYPE * const yylocationp) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp) + FILE *yyoutput; + int yytype; + const YYSTYPE * const yyvaluep; + const YYLTYPE * const yylocationp; +#endif +{ + if (!yyvaluep) + return; + YYUSE (yylocationp); +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + case 3: /* "\"string\"" */ +#line 181 "parse-gram.y" + { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); }; +#line 968 "parse-gram.c" + break; + case 4: /* "\"integer\"" */ +#line 193 "parse-gram.y" + { fprintf (stderr, "%d", (yyvaluep->integer)); }; +#line 973 "parse-gram.c" + break; + case 8: /* "\"%destructor {...}\"" */ +#line 183 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 978 "parse-gram.c" + break; + case 9: /* "\"%printer {...}\"" */ +#line 187 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 983 "parse-gram.c" + break; + case 10: /* "\"%union {...}\"" */ +#line 188 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 988 "parse-gram.c" + break; + case 26: /* "\"%initial-action {...}\"" */ +#line 184 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 993 "parse-gram.c" + break; + case 27: /* "\"%lex-param {...}\"" */ +#line 185 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 998 "parse-gram.c" + break; + case 34: /* "\"%parse-param {...}\"" */ +#line 186 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1003 "parse-gram.c" + break; + case 42: /* "\"type\"" */ +#line 191 "parse-gram.y" + { fprintf (stderr, "<%s>", (yyvaluep->uniqstr)); }; +#line 1008 "parse-gram.c" + break; + case 46: /* "\"identifier\"" */ +#line 195 "parse-gram.y" + { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); }; +#line 1013 "parse-gram.c" + break; + case 47: /* "\"identifier:\"" */ +#line 197 "parse-gram.y" + { fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); }; +#line 1018 "parse-gram.c" + break; + case 49: /* "\"%{...%}\"" */ +#line 189 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1023 "parse-gram.c" + break; + case 50: /* "\"epilogue\"" */ +#line 189 "parse-gram.y" + { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); }; +#line 1028 "parse-gram.c" + break; + case 72: /* "symbol" */ +#line 195 "parse-gram.y" + { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); }; +#line 1033 "parse-gram.c" + break; + case 75: /* "string_as_id" */ +#line 195 "parse-gram.y" + { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); }; +#line 1038 "parse-gram.c" + break; + case 76: /* "string_content" */ +#line 181 "parse-gram.y" + { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); }; +#line 1043 "parse-gram.c" + break; + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, const YYSTYPE * const yyvaluep, const YYLTYPE * const yylocationp) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp) + FILE *yyoutput; + int yytype; + const YYSTYPE * const yyvaluep; + const YYLTYPE * const yylocationp; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + YY_LOCATION_PRINT (yyoutput, *yylocationp); + YYFPRINTF (yyoutput, ": "); + yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp); + YYFPRINTF (yyoutput, ")"); +} /*------------------------------------------------------------------. | yy_stack_print -- Print the state stack from its BOTTOM up to its | | TOP (included). | `------------------------------------------------------------------*/ -#if defined (__STDC__) || defined (__cplusplus) +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) static void -yy_stack_print (short *bottom, short *top) +yy_stack_print (yytype_int16 *bottom, yytype_int16 *top) #else static void yy_stack_print (bottom, top) - short *bottom; - short *top; + yytype_int16 *bottom; + yytype_int16 *top; #endif { YYFPRINTF (stderr, "Stack now"); - for (/* Nothing. */; bottom <= top; ++bottom) + for (; bottom <= top; ++bottom) YYFPRINTF (stderr, " %d", *bottom); YYFPRINTF (stderr, "\n"); } @@ -775,45 +1101,54 @@ yy_stack_print (bottom, top) do { \ if (yydebug) \ yy_stack_print ((Bottom), (Top)); \ -} while (0) +} while (YYID (0)) /*------------------------------------------------. | Report that the YYRULE is going to be reduced. | `------------------------------------------------*/ -#if defined (__STDC__) || defined (__cplusplus) +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) static void -yy_reduce_print (int yyrule) +yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule) #else static void -yy_reduce_print (yyrule) +yy_reduce_print (yyvsp, yylsp, yyrule + ) + YYSTYPE *yyvsp; + YYLTYPE *yylsp; int yyrule; #endif { + int yynrhs = yyr2[yyrule]; 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]]); + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + fprintf (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + , &(yylsp[(yyi + 1) - (yynrhs)]) ); + fprintf (stderr, "\n"); + } } # define YY_REDUCE_PRINT(Rule) \ do { \ if (yydebug) \ - yy_reduce_print (Rule); \ -} while (0) + yy_reduce_print (yyvsp, yylsp, Rule); \ +} while (YYID (0)) /* Nonzero means print parse trace. It is left uninitialized so that multiple parsers can coexist. */ int yydebug; #else /* !YYDEBUG */ # define YYDPRINTF(Args) -# define 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 */ @@ -828,13 +1163,9 @@ 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 defined (YYMAXDEPTH) && YYMAXDEPTH == 0 -# undef YYMAXDEPTH -#endif - #ifndef YYMAXDEPTH # define YYMAXDEPTH 10000 #endif @@ -844,45 +1175,47 @@ int yydebug; #if YYERROR_VERBOSE # ifndef yystrlen -# if defined (__GLIBC__) && defined (_STRING_H) +# if defined __GLIBC__ && defined _STRING_H # define yystrlen strlen # else /* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) static YYSIZE_T -# if defined (__STDC__) || defined (__cplusplus) yystrlen (const char *yystr) -# else +#else +static YYSIZE_T yystrlen (yystr) - const char *yystr; -# endif + const char *yystr; +#endif { - register const char *yys = yystr; - - while (*yys++ != '\0') + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) continue; - - return yys - yystr - 1; + return yylen; } # endif # endif # ifndef yystpcpy -# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE # define yystpcpy stpcpy # else /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in YYDEST. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) static char * -# if defined (__STDC__) || defined (__cplusplus) yystpcpy (char *yydest, const char *yysrc) -# else +#else +static char * yystpcpy (yydest, yysrc) - char *yydest; - const char *yysrc; -# endif + char *yydest; + 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; @@ -892,74 +1225,194 @@ 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); -#if YYDEBUG -/*--------------------------------. -| Print this symbol on YYOUTPUT. | -`--------------------------------*/ + return yystpcpy (yyres, yystr) - yyres; +} +# endif -#if defined (__STDC__) || defined (__cplusplus) -static void -yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp) -#else -static void -yysymprint (yyoutput, yytype, yyvaluep, yylocationp) - FILE *yyoutput; - int yytype; - YYSTYPE *yyvaluep; - YYLTYPE *yylocationp; -#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) { - /* Pacify ``unused variable'' warnings. */ - (void) yyvaluep; - (void) yylocationp; + int yyn = yypact[yystate]; - if (yytype < YYNTOKENS) - { - YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); -# ifdef YYPRINT - YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); -# endif - } + if (! (YYPACT_NINF < yyn && yyn < YYLAST)) + return 0; else - YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); - - switch (yytype) { - default: - break; + 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) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; } - YYFPRINTF (yyoutput, ")"); } +#endif /* YYERROR_VERBOSE */ + -#endif /* ! YYDEBUG */ /*-----------------------------------------------. | Release the memory associated to this symbol. | `-----------------------------------------------*/ -#if defined (__STDC__) || defined (__cplusplus) +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) 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; #endif { - /* Pacify ``unused variable'' warnings. */ - (void) yyvaluep; - (void) yylocationp; + YYUSE (yyvaluep); + YYUSE (yylocationp); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); switch (yytype) { default: - break; + break; } } @@ -967,13 +1420,13 @@ yydestruct (yytype, yyvaluep, yylocationp) /* Prevent warnings from -Wmissing-prototypes. */ #ifdef YYPARSE_PARAM -# if defined (__STDC__) || defined (__cplusplus) +#if defined __STDC__ || defined __cplusplus int yyparse (void *YYPARSE_PARAM); -# else +#else int yyparse (); -# endif +#endif #else /* ! YYPARSE_PARAM */ -#if defined (__STDC__) || defined (__cplusplus) +#if defined __STDC__ || defined __cplusplus int yyparse (void); #else int yyparse (); @@ -990,14 +1443,18 @@ int yyparse (); `----------*/ #ifdef YYPARSE_PARAM -# if defined (__STDC__) || defined (__cplusplus) -int yyparse (void *YYPARSE_PARAM) -# else -int yyparse (YYPARSE_PARAM) - void *YYPARSE_PARAM; -# endif +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif #else /* ! YYPARSE_PARAM */ -#if defined (__STDC__) || defined (__cplusplus) +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) int yyparse (void) #else @@ -1007,24 +1464,30 @@ 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, @@ -1035,22 +1498,23 @@ YYLTYPE yylloc; to reallocate them elsewhere. */ /* The state stack. */ - short yyssa[YYINITDEPTH]; - short *yyss = yyssa; - register short *yyssp; + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss = yyssa; + yytype_int16 *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--) +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N)) YYSIZE_T yystacksize = YYINITDEPTH; @@ -1059,9 +1523,9 @@ YYLTYPE yylloc; YYSTYPE yyval; YYLTYPE yyloc; - /* When reducing, the number of symbols on the RHS of the reduced - rule. */ - int yylen; + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; YYDPRINTF ((stderr, "Starting parse\n")); @@ -1078,18 +1542,25 @@ 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 70 "parse-gram.y" + /* User initialization code. */ +#line 85 "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; + yylloc.start.file = yylloc.end.file = current_file; + yylloc.start.line = yylloc.end.line = 1; + yylloc.start.column = yylloc.end.column = 0; } -/* Line 818 of yacc.c. */ -#line 1093 "parse-gram.c" +/* Line 1081 of yacc.c. */ +#line 1563 "parse-gram.c" + yylsp[0] = yylloc; goto yysetstate; /*------------------------------------------------------------. @@ -1097,8 +1568,7 @@ YYLTYPE yylloc; `------------------------------------------------------------*/ yynewstate: /* In all cases, when you get here, the value and location stacks - have just been pushed. so pushing a state here evens the stacks. - */ + have just been pushed. So pushing a state here evens the stacks. */ yyssp++; yysetstate: @@ -1111,18 +1581,18 @@ YYLTYPE yylloc; #ifdef yyoverflow { - /* Give user a chance to reallocate the stack. Use copies of + /* Give user a chance to reallocate the stack. Use copies of these so that the &'s don't force the real ones into memory. */ YYSTYPE *yyvs1 = yyvs; - short *yyss1 = yyss; + yytype_int16 *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), @@ -1133,21 +1603,21 @@ 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; + yytype_int16 *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); @@ -1178,19 +1648,17 @@ YYLTYPE yylloc; `-----------*/ yybackup: -/* Do appropriate processing given the current state. */ -/* Read a lookahead token if we need one and don't already have one. */ -/* yyresume: */ - - /* First try to decide what to do without reference to lookahead token. */ + /* Do appropriate processing given the current state. Read a + look-ahead token if we need one and don't already have one. */ + /* First try to decide what to do without reference to look-ahead token. */ yyn = yypact[yystate]; if (yyn == YYPACT_NINF) goto yydefault; - /* Not known => get a 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: ")); @@ -1205,7 +1673,7 @@ 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 @@ -1225,22 +1693,21 @@ yybackup: if (yyn == YYFINAL) YYACCEPT; - /* Shift the lookahead token. */ - YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken])); - - /* Discard the token being shifted unless it is eof. */ - if (yychar != YYEOF) - yychar = YYEMPTY; - - *++yyvsp = yylval; - *++yylsp = yylloc; - /* Count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; + /* Shift the look-ahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + yystate = yyn; + *++yyvsp = yylval; + *++yylsp = yylloc; goto yynewstate; @@ -1271,409 +1738,420 @@ yyreduce: GCC warning that YYVAL may be used uninitialized. */ yyval = yyvsp[1-yylen]; - /* Default location. */ - YYLLOC_DEFAULT (yyloc, yylsp - yylen, yylen); + /* Default location. */ + YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); YY_REDUCE_PRINT (yyn); switch (yyn) { case 6: -#line 187 "parse-gram.y" - { prologue_augment (yyvsp[0].chars, yylsp[0]); } +#line 218 "parse-gram.y" + { prologue_augment ((yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])); } break; case 7: -#line 188 "parse-gram.y" +#line 219 "parse-gram.y" { debug_flag = true; } break; case 8: -#line 189 "parse-gram.y" - { muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); } +#line 221 "parse-gram.y" + { + static char one[] = "1"; + muscle_insert ((yyvsp[(2) - (2)].chars), one); + } break; case 9: -#line 190 "parse-gram.y" - { defines_flag = true; } +#line 225 "parse-gram.y" + { muscle_insert ((yyvsp[(2) - (3)].chars), (yyvsp[(3) - (3)].chars)); } break; case 10: -#line 191 "parse-gram.y" - { error_verbose = true; } +#line 226 "parse-gram.y" + { defines_flag = true; } break; case 11: -#line 192 "parse-gram.y" - { expected_conflicts = yyvsp[0].integer; } +#line 227 "parse-gram.y" + { error_verbose = true; } break; case 12: -#line 193 "parse-gram.y" - { spec_file_prefix = yyvsp[0].chars; } +#line 228 "parse-gram.y" + { expected_sr_conflicts = (yyvsp[(2) - (2)].integer); } break; case 13: -#line 195 "parse-gram.y" - { - nondeterministic_parser = true; - glr_parser = true; - } +#line 229 "parse-gram.y" + { expected_rr_conflicts = (yyvsp[(2) - (2)].integer); } break; case 14: -#line 200 "parse-gram.y" - { - muscle_code_grow ("initial_action", yyvsp[0].chars, yylsp[0]); - } +#line 230 "parse-gram.y" + { spec_file_prefix = (yyvsp[(3) - (3)].chars); } break; case 15: -#line 203 "parse-gram.y" - { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); } +#line 232 "parse-gram.y" + { + nondeterministic_parser = true; + glr_parser = true; + } break; case 16: -#line 204 "parse-gram.y" - { locations_flag = true; } +#line 237 "parse-gram.y" + { + muscle_code_grow ("initial_action", (yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])); + } break; case 17: -#line 205 "parse-gram.y" - { spec_name_prefix = yyvsp[0].chars; } +#line 240 "parse-gram.y" + { add_param ("lex_param", (yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])); } break; case 18: -#line 206 "parse-gram.y" - { no_lines_flag = true; } +#line 241 "parse-gram.y" + { locations_flag = true; } break; case 19: -#line 207 "parse-gram.y" - { nondeterministic_parser = true; } +#line 242 "parse-gram.y" + { spec_name_prefix = (yyvsp[(3) - (3)].chars); } break; case 20: -#line 208 "parse-gram.y" - { spec_outfile = yyvsp[0].chars; } +#line 243 "parse-gram.y" + { no_lines_flag = true; } break; case 21: -#line 209 "parse-gram.y" - { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); } +#line 244 "parse-gram.y" + { nondeterministic_parser = true; } break; case 22: -#line 210 "parse-gram.y" - { pure_parser = true; } +#line 245 "parse-gram.y" + { spec_outfile = (yyvsp[(3) - (3)].chars); } break; case 23: -#line 211 "parse-gram.y" - { skeleton = yyvsp[0].chars; } +#line 246 "parse-gram.y" + { add_param ("parse_param", (yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])); } break; case 24: -#line 212 "parse-gram.y" - { token_table_flag = true; } +#line 247 "parse-gram.y" + { pure_parser = true; } break; case 25: -#line 213 "parse-gram.y" - { report_flag = report_states; } +#line 248 "parse-gram.y" + { version_check (&(yylsp[(2) - (2)]), (yyvsp[(2) - (2)].chars)); } break; case 26: -#line 214 "parse-gram.y" +#line 249 "parse-gram.y" + { skeleton = (yyvsp[(2) - (2)].chars); } + break; + + case 27: +#line 250 "parse-gram.y" + { token_table_flag = true; } + break; + + case 28: +#line 251 "parse-gram.y" + { report_flag = report_states; } + break; + + case 29: +#line 252 "parse-gram.y" { yacc_flag = true; } break; - case 30: -#line 222 "parse-gram.y" + case 33: +#line 260 "parse-gram.y" { - grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]); + grammar_start_symbol_set ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); } break; - case 31: -#line 226 "parse-gram.y" + case 34: +#line 264 "parse-gram.y" { + char const *body = (yyvsp[(1) - (1)].chars); + + if (typed) + { + /* Concatenate the union bodies, turning the first one's + trailing '}' into '\n', and omitting the second one's '{'. */ + char *code = muscle_find ("stype"); + code[strlen (code) - 1] = '\n'; + body++; + } + typed = true; - MUSCLE_INSERT_INT ("stype_line", yylsp[0].start.line); - muscle_insert ("stype", yyvsp[0].chars); + muscle_code_grow ("stype", body, (yylsp[(1) - (1)])); } break; - case 32: -#line 232 "parse-gram.y" + case 35: +#line 280 "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[(2) - (2)].list); list; list = list->next) + symbol_destructor_set (list->sym, (yyvsp[(1) - (2)].chars), (yylsp[(1) - (2)])); + symbol_list_free ((yyvsp[(2) - (2)].list)); } break; - case 33: -#line 239 "parse-gram.y" + case 36: +#line 287 "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[(2) - (2)].list); list; list = list->next) + symbol_printer_set (list->sym, (yyvsp[(1) - (2)].chars), list->location); + symbol_list_free ((yyvsp[(2) - (2)].list)); } break; - case 34: -#line 246 "parse-gram.y" + case 37: +#line 294 "parse-gram.y" { default_prec = true; } break; - case 35: -#line 250 "parse-gram.y" + case 38: +#line 298 "parse-gram.y" { default_prec = false; } break; - case 36: -#line 256 "parse-gram.y" + case 39: +#line 304 "parse-gram.y" { current_class = nterm_sym; } break; - case 37: -#line 257 "parse-gram.y" + case 40: +#line 305 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; } break; - case 38: -#line 261 "parse-gram.y" + case 41: +#line 309 "parse-gram.y" { current_class = token_sym; } break; - case 39: -#line 262 "parse-gram.y" + case 42: +#line 310 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; } break; - case 40: -#line 267 "parse-gram.y" + case 43: +#line 315 "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[(3) - (3)].list); list; list = list->next) + symbol_type_set (list->sym, (yyvsp[(2) - (3)].uniqstr), (yylsp[(2) - (3)])); + symbol_list_free ((yyvsp[(3) - (3)].list)); } break; - case 41: -#line 277 "parse-gram.y" + case 44: +#line 325 "parse-gram.y" { symbol_list *list; ++current_prec; - for (list = yyvsp[0].list; list; list = list->next) + for (list = (yyvsp[(3) - (3)].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[(2) - (3)])); + symbol_precedence_set (list->sym, current_prec, (yyvsp[(1) - (3)].assoc), (yylsp[(1) - (3)])); } - symbol_list_free (yyvsp[0].list); + symbol_list_free ((yyvsp[(3) - (3)].list)); current_type = NULL; } break; - case 42: -#line 291 "parse-gram.y" - { yyval.assoc = left_assoc; } - break; - - case 43: -#line 292 "parse-gram.y" - { yyval.assoc = right_assoc; } - break; - - case 44: -#line 293 "parse-gram.y" - { yyval.assoc = non_assoc; } - break; - case 45: -#line 297 "parse-gram.y" - { current_type = NULL; } +#line 339 "parse-gram.y" + { (yyval.assoc) = left_assoc; } break; case 46: -#line 298 "parse-gram.y" - { current_type = yyvsp[0].uniqstr; } +#line 340 "parse-gram.y" + { (yyval.assoc) = right_assoc; } break; case 47: -#line 304 "parse-gram.y" - { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); } +#line 341 "parse-gram.y" + { (yyval.assoc) = non_assoc; } break; case 48: -#line 305 "parse-gram.y" - { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); } +#line 345 "parse-gram.y" + { current_type = NULL; } break; case 49: -#line 311 "parse-gram.y" - { - current_type = yyvsp[0].uniqstr; - } +#line 346 "parse-gram.y" + { current_type = (yyvsp[(1) - (1)].uniqstr); } break; case 50: -#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]); - } +#line 352 "parse-gram.y" + { (yyval.list) = symbol_list_new ((yyvsp[(1) - (1)].symbol), (yylsp[(1) - (1)])); } break; case 51: -#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]); - symbol_user_token_number_set (yyvsp[-1].symbol, yyvsp[0].integer, yylsp[0]); - } +#line 353 "parse-gram.y" + { (yyval.list) = symbol_list_prepend ((yyvsp[(1) - (2)].list), (yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); } break; case 52: -#line 326 "parse-gram.y" +#line 359 "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); - } + current_type = (yyvsp[(1) - (1)].uniqstr); + } break; case 53: -#line 332 "parse-gram.y" +#line 363 "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[(1) - (1)].symbol), current_class, (yylsp[(1) - (1)]), true); + symbol_type_set ((yyvsp[(1) - (1)].symbol), current_type, (yylsp[(1) - (1)])); + } break; - case 59: -#line 361 "parse-gram.y" + case 54: +#line 368 "parse-gram.y" { - if (yacc_flag) - complain_at (yyloc, _("POSIX forbids declarations in the grammar")); + symbol_class_set ((yyvsp[(1) - (2)].symbol), current_class, (yylsp[(1) - (2)]), true); + symbol_type_set ((yyvsp[(1) - (2)].symbol), current_type, (yylsp[(1) - (2)])); + symbol_user_token_number_set ((yyvsp[(1) - (2)].symbol), (yyvsp[(2) - (2)].integer), (yylsp[(2) - (2)])); } break; - case 60: -#line 366 "parse-gram.y" + case 55: +#line 374 "parse-gram.y" { - yyerrok; + symbol_class_set ((yyvsp[(1) - (2)].symbol), current_class, (yylsp[(1) - (2)]), true); + symbol_type_set ((yyvsp[(1) - (2)].symbol), current_type, (yylsp[(1) - (2)])); + symbol_make_alias ((yyvsp[(1) - (2)].symbol), (yyvsp[(2) - (2)].symbol), (yyloc)); } break; - case 61: -#line 372 "parse-gram.y" - { current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; } + case 56: +#line 380 "parse-gram.y" + { + symbol_class_set ((yyvsp[(1) - (3)].symbol), current_class, (yylsp[(1) - (3)]), true); + symbol_type_set ((yyvsp[(1) - (3)].symbol), current_type, (yylsp[(1) - (3)])); + symbol_user_token_number_set ((yyvsp[(1) - (3)].symbol), (yyvsp[(2) - (3)].integer), (yylsp[(2) - (3)])); + symbol_make_alias ((yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol), (yyloc)); + } break; case 63: -#line 376 "parse-gram.y" - { grammar_rule_end (yylsp[0]); } +#line 410 "parse-gram.y" + { + yyerrok; + } break; case 64: -#line 377 "parse-gram.y" - { grammar_rule_end (yylsp[0]); } +#line 416 "parse-gram.y" + { current_lhs = (yyvsp[(1) - (1)].symbol); current_lhs_location = (yylsp[(1) - (1)]); } break; case 66: -#line 383 "parse-gram.y" - { grammar_rule_begin (current_lhs, current_lhs_location); } +#line 420 "parse-gram.y" + { grammar_current_rule_end ((yylsp[(1) - (1)])); } break; case 67: -#line 385 "parse-gram.y" - { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); } - break; - - case 68: -#line 387 "parse-gram.y" - { grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); } +#line 421 "parse-gram.y" + { grammar_current_rule_end ((yylsp[(3) - (3)])); } break; case 69: -#line 389 "parse-gram.y" - { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); } +#line 427 "parse-gram.y" + { grammar_current_rule_begin (current_lhs, current_lhs_location); } break; case 70: -#line 391 "parse-gram.y" - { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); } - break; - - case 71: -#line 393 "parse-gram.y" - { grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); } +#line 429 "parse-gram.y" + { grammar_current_rule_symbol_append ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); } break; case 72: -#line 397 "parse-gram.y" - { yyval.symbol = yyvsp[0].symbol; } +#line 432 "parse-gram.y" + { grammar_current_rule_prec_set ((yyvsp[(3) - (3)].symbol), (yylsp[(3) - (3)])); } break; case 73: -#line 398 "parse-gram.y" - { yyval.symbol = yyvsp[0].symbol; } +#line 434 "parse-gram.y" + { grammar_current_rule_dprec_set ((yyvsp[(3) - (3)].integer), (yylsp[(3) - (3)])); } break; case 74: -#line 403 "parse-gram.y" - { yyval.chars = yyvsp[0].chars; } +#line 436 "parse-gram.y" + { grammar_current_rule_merge_set ((yyvsp[(3) - (3)].uniqstr), (yylsp[(3) - (3)])); } break; case 75: -#line 409 "parse-gram.y" - { - yyval.symbol = symbol_get (yyvsp[0].chars, yylsp[0]); - symbol_class_set (yyval.symbol, token_sym, yylsp[0]); - } +#line 440 "parse-gram.y" + { (yyval.symbol) = (yyvsp[(1) - (1)].symbol); } break; case 76: -#line 418 "parse-gram.y" +#line 441 "parse-gram.y" + { (yyval.symbol) = (yyvsp[(1) - (1)].symbol); } + break; + + case 77: +#line 457 "parse-gram.y" + { grammar_current_rule_action_append (last_string, last_braced_code_loc); } + break; + + case 79: +#line 464 "parse-gram.y" { - yyval.chars = yyvsp[0].chars + 1; - yyval.chars[strlen (yyval.chars) - 1] = '\0'; + (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[(1) - (1)].chars)), (yylsp[(1) - (1)])); + symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false); } break; - case 78: -#line 427 "parse-gram.y" + case 80: +#line 473 "parse-gram.y" + { (yyval.chars) = (yyvsp[(1) - (1)].chars); } + break; + + case 82: +#line 480 "parse-gram.y" { - muscle_code_grow ("epilogue", yyvsp[0].chars, yylsp[0]); + muscle_code_grow ("epilogue", (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); scanner_last_string_free (); } break; +/* Line 1270 of yacc.c. */ +#line 2149 "parse-gram.c" + default: break; } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); -/* Line 1010 of yacc.c. */ -#line 1672 "parse-gram.c" - - yyvsp -= yylen; - yyssp -= yylen; - yylsp -= yylen; - + YYPOPSTACK (yylen); + yylen = 0; YY_STACK_PRINT (yyss, yyssp); *++yyvsp = yyval; @@ -1702,99 +2180,65 @@ yyerrlab: if (!yyerrstatus) { ++yynerrs; -#if YYERROR_VERBOSE - yyn = yypact[yystate]; - - if (YYPACT_NINF < yyn && yyn < YYLAST) - { - YYSIZE_T yysize = 0; - int yytype = YYTRANSLATE (yychar); - const char* yyprefix; - char *yymsg; - int yyx; - - /* 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 = 0; - - yyprefix = ", expecting "; - for (yyx = yyxbegin; yyx < yyxend; ++yyx) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else { - yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]); - yycount += 1; - if (yycount == 5) - { - yysize = 0; - break; - } + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; } - yysize += (sizeof ("syntax error, unexpected ") - + 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) - { - yyprefix = ", expecting "; - for (yyx = yyxbegin; yyx < yyxend; ++yyx) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - { - yyp = yystpcpy (yyp, yyprefix); - yyp = yystpcpy (yyp, yytname[yyx]); - yyprefix = " or "; - } - } - yyerror (yymsg); - YYSTACK_FREE (yymsg); - } - else - yyerror ("syntax error; also virtual memory exhausted"); - } - else -#endif /* YYERROR_VERBOSE */ - yyerror ("syntax error"); + } + + 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. */ if (yychar <= YYEOF) - { - /* If at end of input, pop the error token, - then the rest of the stack, then return failure. */ + { + /* Return failure if at end of input. */ if (yychar == YYEOF) - for (;;) - { - YYPOPSTACK; - if (yyssp == yyss) - YYABORT; - YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); - yydestruct (yystos[*yyssp], yyvsp, yylsp); - } - } + YYABORT; + } else { - YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc); - yydestruct (yytoken, &yylval, &yylloc); + yydestruct ("Error: discarding", + 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; @@ -1804,19 +2248,19 @@ yyerrlab: `---------------------------------------------------*/ yyerrorlab: -#ifdef __GNUC__ - /* Pacify GCC when the user code never invokes YYERROR and the label - yyerrorlab therefore never appears in user code. */ - if (0) + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) goto yyerrorlab; -#endif - yyvsp -= yylen; - yyssp -= yylen; + yyerror_range[0] = yylsp[1-yylen]; + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); yystate = *yyssp; - yylerrsp = yylsp; - *++yylerrsp = yyloc; - yylsp -= yylen; goto yyerrlab1; @@ -1844,9 +2288,10 @@ yyerrlab1: if (yyssp == yyss) YYABORT; - YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); - yydestruct (yystos[yystate], yyvsp, yylsp); - YYPOPSTACK; + yyerror_range[0] = *yylsp; + yydestruct ("Error: popping", + yystos[yystate], yyvsp, yylsp); + YYPOPSTACK (1); yystate = *yyssp; YY_STACK_PRINT (yyss, yyssp); } @@ -1854,12 +2299,17 @@ yyerrlab1: 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; @@ -1879,25 +2329,42 @@ 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); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp, yylsp); + YYPOPSTACK (1); + } #ifndef yyoverflow if (yyss != yyssa) YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); #endif return yyresult; } -#line 433 "parse-gram.y" +#line 486 "parse-gram.y" @@ -1911,7 +2378,11 @@ 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, @@ -1933,22 +2404,28 @@ 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")); @@ -1958,7 +2435,7 @@ 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; @@ -1972,46 +2449,14 @@ 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) +version_check (location const *loc, char const *version) { - fputc (' ', file); - switch (type) + if (strverscmp (version, PACKAGE_VERSION) > 0) { - 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; + complain_at (*loc, "require bison %s, but have %s", + version, PACKAGE_VERSION); + exit (63); } } @@ -2024,6 +2469,6 @@ gram_error (location const *loc, char const *msg) char const * token_name (int type) { - return yytname[type]; + return yytname[YYTRANSLATE (type)]; }