X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0c15323de7250aea9aaef638dd7390cf24ad9ce8..a17187e56386747a9b4d9633c3d116c2087f2b8b:/src/parse-gram.c?ds=inline diff --git a/src/parse-gram.c b/src/parse-gram.c index 3b29bbfa..024da72a 100644 --- a/src/parse-gram.c +++ b/src/parse-gram.c @@ -1,138 +1,610 @@ -/* A Bison parser, made from parse-gram.y - by GNU bison 1.35. */ - -#define YYBISON 1 /* Identify Bison output. */ - -#define yyparse gram_parse -#define yylex gram_lex -#define yyerror gram_error -#define yylval gram_lval -#define yychar gram_char -#define yydebug gram_debug -#define yynerrs gram_nerrs +/* A Bison parser, made by GNU Bison 2.4.687-d4fc-dirty. */ + +/* Bison implementation for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2012 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.4.687-d4fc-dirty" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 1 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ #define YYLSP_NEEDED 1 -# define GRAM_EOF 0 -# define STRING 257 -# define CHARACTER 258 -# define INT 259 -# define PERCENT_TOKEN 260 -# define PERCENT_NTERM 261 -# define PERCENT_TYPE 262 -# define PERCENT_UNION 263 -# define PERCENT_EXPECT 264 -# define PERCENT_START 265 -# define PERCENT_LEFT 266 -# define PERCENT_RIGHT 267 -# define PERCENT_NONASSOC 268 -# define PERCENT_PREC 269 -# define PERCENT_VERBOSE 270 -# define PERCENT_ERROR_VERBOSE 271 -# define PERCENT_OUTPUT 272 -# define PERCENT_FILE_PREFIX 273 -# define PERCENT_NAME_PREFIX 274 -# define PERCENT_DEFINE 275 -# define PERCENT_PURE_PARSER 276 -# define PERCENT_DEFINES 277 -# define PERCENT_YACC 278 -# define PERCENT_DEBUG 279 -# define PERCENT_LOCATIONS 280 -# define PERCENT_NO_LINES 281 -# define PERCENT_SKELETON 282 -# define PERCENT_TOKEN_TABLE 283 -# define TYPE 284 -# define EQUAL 285 -# define SEMICOLON 286 -# define COLON 287 -# define PIPE 288 -# define ID 289 -# define PERCENT_PERCENT 290 -# define PROLOGUE 291 -# define EPILOGUE 292 -# define BRACED_CODE 293 - -#line 31 "parse-gram.y" +/* Substitute the variable and function names. */ +#define yyparse gram_parse +#define yylex gram_lex +#define yyerror gram_error +#define yylval gram_lval +#define yychar gram_char +#define yydebug gram_debug +#define yynerrs gram_nerrs +#define yylloc gram_lloc + +/* Copy the first part of user declarations. */ +/* Line 269 of yacc.c */ +#line 1 "src/parse-gram.y" +/* Bison Grammar Parser -*- C -*- + Copyright (C) 2002-2012 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#include #include "system.h" -#include "muscle_tab.h" + +#include "complain.h" +#include "conflicts.h" #include "files.h" #include "getargs.h" -#include "output.h" #include "gram.h" +#include "muscle-tab.h" +#include "named-ref.h" +#include "quotearg.h" #include "reader.h" -#include "conflicts.h" +#include "symlist.h" +#include "scan-gram.h" +#include "scan-code.h" + +#define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N) +static YYLTYPE lloc_default (YYLTYPE const *, int); -/* Produce verbose parse errors. */ -#define YYERROR_VERBOSE 1 +#define YY_LOCATION_PRINT(File, Loc) \ + location_print (File, Loc) -/* Pass the control structure to YYPARSE and YYLEX. */ -#define YYPARSE_PARAM gram_control -#define YYLEX_PARAM gram_control -/* YYPARSE receives GRAM_CONTROL as a void *. Provide a - correctly typed access to it. */ -#define yycontrol ((gram_control_t *) gram_control) +static void version_check (location const *loc, char const *version); -/* Request detailed parse error messages, and pass them to - GRAM_ERROR. */ +/* 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 (yycontrol, &yylloc, Msg) - -/* When debugging our pure parser, we want to see values and locations - of the tokens. */ -#define YYPRINT(File, Type, Value) \ - yyprint (File, &yylloc, Type, &Value) -static void yyprint (FILE *file, const location_t *loc, - int type, const yystype *value); - -symbol_class current_class = unknown_sym; -char *current_type = 0; -symbol_t *current_lhs; -associativity current_assoc; -int current_prec = 0; - -#line 73 "parse-gram.y" -#ifndef YYSTYPE -typedef union + gram_error (&yylloc, Msg) +static void gram_error (location const *, char const *); + +static char const *char_name (char); + +/* Line 269 of yacc.c */ +#line 131 "src/parse-gram.c" + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 1 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 1 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + +/* "%code requires" blocks. */ +/* Line 289 of yacc.c */ +#line 220 "src/parse-gram.y" + +# ifndef PARAM_TYPE +# define PARAM_TYPE + typedef enum + { + param_none = 0, + param_lex = 1 << 0, + param_parse = 1 << 1, + param_both = param_lex | param_parse + } param_type; +# endif + + +/* Line 289 of yacc.c */ +#line 168 "src/parse-gram.c" + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + GRAM_EOF = 0, + STRING = 258, + INT = 259, + PERCENT_TOKEN = 260, + PERCENT_NTERM = 261, + PERCENT_TYPE = 262, + PERCENT_DESTRUCTOR = 263, + PERCENT_PRINTER = 264, + PERCENT_LEFT = 265, + PERCENT_RIGHT = 266, + PERCENT_NONASSOC = 267, + PERCENT_PRECEDENCE = 268, + PERCENT_PREC = 269, + PERCENT_DPREC = 270, + PERCENT_MERGE = 271, + PERCENT_CODE = 272, + PERCENT_DEFAULT_PREC = 273, + PERCENT_DEFINE = 274, + PERCENT_DEFINES = 275, + PERCENT_ERROR_VERBOSE = 276, + PERCENT_EXPECT = 277, + PERCENT_EXPECT_RR = 278, + PERCENT_FLAG = 279, + PERCENT_FILE_PREFIX = 280, + PERCENT_GLR_PARSER = 281, + PERCENT_INITIAL_ACTION = 282, + PERCENT_LANGUAGE = 283, + PERCENT_NAME_PREFIX = 284, + PERCENT_NO_DEFAULT_PREC = 285, + PERCENT_NO_LINES = 286, + PERCENT_NONDETERMINISTIC_PARSER = 287, + PERCENT_OUTPUT = 288, + PERCENT_REQUIRE = 289, + PERCENT_SKELETON = 290, + PERCENT_START = 291, + PERCENT_TOKEN_TABLE = 292, + PERCENT_VERBOSE = 293, + PERCENT_YACC = 294, + BRACED_CODE = 295, + BRACED_PREDICATE = 296, + BRACKETED_ID = 297, + CHAR = 298, + EPILOGUE = 299, + EQUAL = 300, + ID = 301, + ID_COLON = 302, + PERCENT_PERCENT = 303, + PIPE = 304, + PROLOGUE = 305, + SEMICOLON = 306, + TAG = 307, + TAG_ANY = 308, + TAG_NONE = 309, + PERCENT_PARAM = 310, + PERCENT_UNION = 311 + }; +#endif +/* Tokens. */ +#define GRAM_EOF 0 +#define STRING 258 +#define INT 259 +#define PERCENT_TOKEN 260 +#define PERCENT_NTERM 261 +#define PERCENT_TYPE 262 +#define PERCENT_DESTRUCTOR 263 +#define PERCENT_PRINTER 264 +#define PERCENT_LEFT 265 +#define PERCENT_RIGHT 266 +#define PERCENT_NONASSOC 267 +#define PERCENT_PRECEDENCE 268 +#define PERCENT_PREC 269 +#define PERCENT_DPREC 270 +#define PERCENT_MERGE 271 +#define PERCENT_CODE 272 +#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_FLAG 279 +#define PERCENT_FILE_PREFIX 280 +#define PERCENT_GLR_PARSER 281 +#define PERCENT_INITIAL_ACTION 282 +#define PERCENT_LANGUAGE 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_REQUIRE 289 +#define PERCENT_SKELETON 290 +#define PERCENT_START 291 +#define PERCENT_TOKEN_TABLE 292 +#define PERCENT_VERBOSE 293 +#define PERCENT_YACC 294 +#define BRACED_CODE 295 +#define BRACED_PREDICATE 296 +#define BRACKETED_ID 297 +#define CHAR 298 +#define EPILOGUE 299 +#define EQUAL 300 +#define ID 301 +#define ID_COLON 302 +#define PERCENT_PERCENT 303 +#define PIPE 304 +#define PROLOGUE 305 +#define SEMICOLON 306 +#define TAG 307 +#define TAG_ANY 308 +#define TAG_NONE 309 +#define PERCENT_PARAM 310 +#define PERCENT_UNION 311 + + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE { - symbol_t *symbol; +/* Line 294 of yacc.c */ +#line 106 "src/parse-gram.y" + + assoc assoc; + char *code; + char const *chars; int integer; - char *string; - associativity assoc; -} yystype; -# define YYSTYPE yystype + named_ref *named_ref; + symbol *symbol; + symbol_list *list; + uniqstr uniqstr; + unsigned char character; + +/* Line 294 of yacc.c */ +#line 244 "src/parse-gram.y" + + param_type param; + + +/* Line 294 of yacc.c */ +#line 316 "src/parse-gram.c" +} YYSTYPE; # define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 #endif -#ifndef YYLTYPE -typedef struct yyltype +#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED +typedef struct YYLTYPE { int first_line; int first_column; - int last_line; int last_column; -} yyltype; - -# define YYLTYPE yyltype +} YYLTYPE; +# define yyltype YYLTYPE /* obsolescent; will be withdrawn */ +# define YYLTYPE_IS_DECLARED 1 # define YYLTYPE_IS_TRIVIAL 1 #endif -#ifndef YYDEBUG -# define YYDEBUG 1 + +/* Copy the second part of user declarations. */ + +/* Line 344 of yacc.c */ +#line 340 "src/parse-gram.c" +/* Unqualified %code blocks. */ +/* Line 345 of yacc.c */ +#line 55 "src/parse-gram.y" + + static int current_prec = 0; + static location current_lhs_location; + static named_ref *current_lhs_named_ref; + static symbol *current_lhs_symbol; + static symbol_class current_class = unknown_sym; + static uniqstr current_type = NULL; + + /** Set the new current left-hand side symbol, possibly common + * to several right-hand side parts of rule. + */ + static + void + current_lhs(symbol *sym, location loc, named_ref *ref) + { + current_lhs_symbol = sym; + current_lhs_location = loc; + /* In order to simplify memory management, named references for lhs + are always assigned by deep copy into the current symbol_list + node. This is because a single named-ref in the grammar may + result in several uses when the user factors lhs between several + rules using "|". Therefore free the parser's original copy. */ + free (current_lhs_named_ref); + current_lhs_named_ref = ref; + } + + #define YYTYPE_INT16 int_fast16_t + #define YYTYPE_INT8 int_fast8_t + #define YYTYPE_UINT16 uint_fast16_t + #define YYTYPE_UINT8 uint_fast8_t + +/* Line 345 of yacc.c */ +#line 233 "src/parse-gram.y" + + /** Add a lex-param and/or a parse-param. + * + * \param type where to push this formal argument. + * \param decl the formal argument. Destroyed. + * \param loc the location in the source. + */ + static void add_param (param_type type, char *decl, location loc); + static param_type current_param = param_none; + + +/* Line 345 of yacc.c */ +#line 389 "src/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 + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && 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 + +/* 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 yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if 1 + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined EXIT_SUCCESS \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include /* INFRINGES ON USER NAME SPACE */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined EXIT_SUCCESS && (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 EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +# define YYCOPY_NEEDED 1 #endif +#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 +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; + YYLTYPE yyls_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + + 2 * YYSTACK_GAP_MAXIMUM) + +# define YYCOPY_NEEDED 1 -#define YYFINAL 94 -#define YYFLAG -32768 -#define YYNTBASE 41 +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) -/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */ -#define YYTRANSLATE(x) ((unsigned)(x) <= 293 ? yytranslate[x] : 68) +#endif -/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */ -static const char yytranslate[] = +#if defined YYCOPY_NEEDED && YYCOPY_NEEDED +/* Copy COUNT objects from SRC to DST. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(Dst, Src, Count) \ + __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src))) +# else +# define YYCOPY(Dst, Src, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (Dst)[yyi] = (Src)[yyi]; \ + } \ + while (YYID (0)) +# endif +# endif +#endif /* !YYCOPY_NEEDED */ + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 3 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 163 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 57 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 36 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 110 +/* YYNSTATES -- Number of states. */ +#define YYNSTATES 149 + +/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned + by yylex, with out-of-bounds checking. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 311 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM + as returned by yylex, without out-of-bounds checking. */ +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, @@ -159,435 +631,715 @@ static const char yytranslate[] = 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 4, 5, 6, - 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, - 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, - 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, - 37, 38, 39, 40 + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56 }; #if YYDEBUG -static const short yyprhs[] = + /* YYRLINEYYN -- Source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = { - 0, 0, 1, 7, 8, 11, 13, 15, 17, 21, - 23, 25, 28, 32, 34, 38, 40, 44, 46, 49, - 51, 53, 55, 57, 58, 62, 65, 66, 70, 71, - 76, 80, 81, 86, 88, 90, 92, 93, 95, 97, - 100, 102, 105, 107, 109, 112, 115, 119, 121, 124, - 126, 129, 130, 136, 138, 142, 143, 146, 149, 153, - 155, 157, 159, 161, 163, 165, 166, 169, 170 + 0, 269, 269, 277, 279, 283, 284, 294, 298, 303, + 304, 309, 314, 315, 316, 317, 318, 323, 332, 333, + 334, 335, 336, 337, 338, 339, 339, 340, 341, 365, + 366, 367, 368, 372, 373, 382, 383, 384, 388, 395, + 402, 406, 410, 417, 432, 433, 437, 449, 449, 454, + 454, 459, 470, 485, 486, 487, 488, 492, 493, 498, + 500, 505, 506, 511, 513, 518, 519, 523, 524, 525, + 526, 531, 536, 541, 547, 553, 564, 565, 574, 575, + 581, 582, 583, 590, 590, 598, 599, 600, 605, 607, + 609, 611, 613, 615, 617, 622, 624, 634, 635, 640, + 641, 642, 651, 671, 673, 682, 687, 688, 693, 700, + 702 }; -static const short yyrhs[] = +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = { - -1, 42, 43, 37, 57, 66, 0, 0, 43, 44, - 0, 45, 0, 38, 0, 26, 0, 22, 65, 65, - 0, 24, 0, 18, 0, 11, 6, 0, 20, 32, - 65, 0, 27, 0, 21, 32, 65, 0, 28, 0, - 19, 32, 65, 0, 23, 0, 29, 65, 0, 30, - 0, 17, 0, 25, 0, 49, 0, 0, 8, 46, - 56, 0, 12, 62, 0, 0, 7, 47, 56, 0, - 0, 9, 31, 48, 53, 0, 10, 40, 67, 0, - 0, 51, 52, 50, 54, 0, 13, 0, 14, 0, - 15, 0, 0, 31, 0, 36, 0, 53, 36, 0, - 62, 0, 54, 62, 0, 31, 0, 36, 0, 36, - 6, 0, 36, 64, 0, 36, 6, 64, 0, 55, - 0, 56, 55, 0, 58, 0, 57, 58, 0, 0, - 36, 34, 59, 60, 33, 0, 61, 0, 60, 35, - 61, 0, 0, 61, 62, 0, 61, 63, 0, 61, - 16, 62, 0, 36, 0, 64, 0, 5, 0, 40, - 0, 4, 0, 4, 0, 0, 37, 39, 0, 0, - 33, 0 + "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"", + "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor\"", + "\"%printer\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"", + "\"%precedence\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%code\"", + "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"", + "\"%expect\"", "\"%expect-rr\"", "\"%\"", "\"%file-prefix\"", + "\"%glr-parser\"", "\"%initial-action\"", "\"%language\"", + "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"", + "\"%nondeterministic-parser\"", "\"%output\"", "\"%require\"", + "\"%skeleton\"", "\"%start\"", "\"%token-table\"", "\"%verbose\"", + "\"%yacc\"", "\"{...}\"", "\"%?{...}\"", "\"[identifier]\"", "\"char\"", + "\"epilogue\"", "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"", + "\"|\"", "\"%{...%}\"", "\";\"", "\"\"", "\"<*>\"", "\"<>\"", + "\"%param\"", "\"%union\"", "$accept", "input", "prologue_declarations", + "prologue_declaration", "$@1", "params", "grammar_declaration", + "union_name", "symbol_declaration", "$@2", "$@3", + "precedence_declaration", "precedence_declarator", "tag.opt", + "symbols.prec", "symbol.prec", "symbols.1", "generic_symlist", + "generic_symlist_item", "symbol_def", "symbol_defs.1", "grammar", + "rules_or_grammar_declaration", "rules", "$@4", "rhses.1", "rhs", + "named_ref.opt", "variable", "content.opt", "braceless", "id", + "id_colon", "symbol", "string_as_id", "epilogue.opt", 0 }; - #endif -#if YYDEBUG -/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ -static const short yyrline[] = +# ifdef YYPRINT +/* YYTOKNUM[NUM] -- (External) token number corresponding to the + (internal) symbol number NUM (which must be that of a token). */ +static const yytype_uint16 yytoknum[] = { - 0, 132, 132, 140, 142, 145, 147, 151, 152, 153, - 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, - 164, 165, 168, 170, 170, 175, 179, 179, 184, 184, - 188, 196, 196, 203, 205, 206, 209, 211, 215, 217, - 221, 227, 236, 241, 246, 252, 258, 268, 271, 275, - 277, 280, 280, 285, 287, 290, 293, 295, 297, 301, - 303, 304, 307, 313, 322, 330, 335, 341, 343 + 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, + 305, 306, 307, 308, 309, 310, 311 }; -#endif +# endif +#define YYPACT_NINF -50 -#if (YYDEBUG) || defined YYERROR_VERBOSE +#define yypact_value_is_default(yystate) \ + ((yystate) == (-50)) -/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */ -static const char *const yytname[] = +#define YYTABLE_NINF -110 + +#define yytable_value_is_error(yytable_value) \ + YYID (0) + + /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +static const yytype_int16 yypact[] = { - "$", "error", "$undefined.", "\"end of string\"", "STRING", "CHARACTER", - "INT", "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%union\"", - "\"%expect\"", "\"%start\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"", - "\"%prec\"", "\"%verbose\"", "\"%error-verbose\"", "\"%output\"", - "\"%file-prefix\"", "\"%name-prefix\"", "\"%define\"", - "\"%pure-parser\"", "\"%defines\"", "\"%yacc\"", "\"%debug\"", - "\"%locations\"", "\"%no-lines\"", "\"%skeleton\"", "\"%token-table\"", - "TYPE", "\"=\"", "\";\"", "\":\"", "\"|\"", "\"identifier\"", "\"%%\"", - "PROLOGUE", "EPILOGUE", "BRACED_CODE", "input", "@1", "directives", - "directive", "grammar_directives", "@2", "@3", "@4", - "precedence_directives", "@5", "precedence_directive", "type.opt", - "nterms_to_type.1", "terms_to_prec.1", "symbol_def", "symbol_defs.1", - "gram", "rules", "@6", "rhses.1", "rhs", "symbol", "action", - "string_as_id", "string_content", "epilogue.opt", "semi_colon_opt", 0 + -50, 4, 107, -50, -50, -50, -20, 3, 11, -50, + -50, -50, -50, 14, -50, 12, 68, -50, 72, 73, + -50, 0, -50, 45, 86, 2, -50, -50, -50, 17, + 95, 96, 32, -50, -50, -50, 16, -50, -50, -50, + 54, -50, -50, -50, -50, 49, -2, -2, 32, 27, + 27, -50, 63, -50, -50, -50, 37, -50, -50, -50, + -50, 101, -50, -50, -50, 103, -50, 104, -50, -50, + -50, -50, -50, -50, -50, -50, 57, -50, 58, 1, + -50, -50, 79, 70, -50, 63, -50, 32, -50, -50, + -2, 64, -2, 32, -50, -50, -50, -50, 27, -50, + -50, 27, -50, -50, -50, -50, -50, -50, -50, -50, + -50, 78, -50, -50, -50, -50, -50, 83, -50, 32, + -50, 143, -50, 145, -50, -50, -50, -50, -50, -50, + -50, -50, -50, 43, 50, -50, -50, 32, 146, 97, + 79, -50, 79, 50, -50, -50, -50, -50, -50 }; -#endif -/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const short yyr1[] = + /* YYDEFACT[S] -- default reduction number in state S. Performed when + YYTABLE does not specify something else to do. Zero means the default + is an error. */ +static const yytype_uint8 yydefact[] = { - 0, 42, 41, 43, 43, 44, 44, 44, 44, 44, - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, - 44, 44, 45, 46, 45, 45, 47, 45, 48, 45, - 45, 50, 49, 51, 51, 51, 52, 52, 53, 53, - 54, 54, 55, 55, 55, 55, 55, 56, 56, 57, - 57, 59, 58, 60, 60, 61, 61, 61, 61, 62, - 62, 62, 63, 64, 65, 66, 66, 67, 67 + 3, 0, 0, 1, 49, 47, 0, 0, 0, 53, + 54, 55, 56, 0, 40, 0, 9, 11, 0, 0, + 7, 0, 16, 0, 0, 0, 41, 21, 22, 0, + 0, 0, 0, 29, 30, 31, 0, 6, 32, 25, + 44, 4, 5, 36, 35, 57, 0, 0, 0, 0, + 0, 102, 0, 42, 98, 97, 99, 10, 12, 13, + 14, 0, 17, 18, 19, 0, 23, 0, 27, 28, + 108, 104, 103, 106, 37, 107, 0, 105, 0, 0, + 78, 80, 95, 0, 45, 0, 58, 0, 71, 76, + 50, 72, 48, 51, 63, 68, 69, 70, 38, 65, + 67, 39, 43, 101, 100, 8, 15, 20, 24, 82, + 81, 0, 79, 2, 96, 83, 34, 26, 46, 52, + 59, 61, 77, 73, 74, 64, 66, 110, 88, 33, + 60, 62, 75, 84, 85, 88, 87, 0, 0, 0, + 95, 91, 95, 86, 92, 93, 94, 90, 89 }; -/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ -static const short yyr2[] = + /* YYPGOTO[NTERM-NUM]. */ +static const yytype_int16 yypgoto[] = { - 0, 0, 5, 0, 2, 1, 1, 1, 3, 1, - 1, 2, 3, 1, 3, 1, 3, 1, 2, 1, - 1, 1, 1, 0, 3, 2, 0, 3, 0, 4, - 3, 0, 4, 1, 1, 1, 0, 1, 1, 2, - 1, 2, 1, 1, 2, 2, 3, 1, 2, 1, - 2, 0, 5, 1, 3, 0, 2, 2, 3, 1, - 1, 1, 1, 1, 1, 0, 2, 0, 1 + -50, -50, -50, -50, -50, -50, 149, -50, -50, -50, + -50, -50, -50, -50, -50, 33, -50, 106, -42, -4, + 112, -50, 74, -50, -50, -50, 19, -45, -50, -50, + -16, -8, -50, -32, -49, -50 }; -/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE - doesn't specify something else to do. Zero means the default is an - error. */ -static const short yydefact[] = + /* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int16 yydefgoto[] = { - 1, 3, 0, 26, 23, 0, 0, 0, 0, 33, - 34, 35, 20, 10, 0, 0, 0, 0, 17, 9, - 21, 7, 13, 15, 0, 19, 0, 6, 4, 5, - 22, 36, 0, 0, 28, 67, 11, 63, 61, 59, - 25, 60, 0, 0, 0, 64, 0, 18, 0, 65, - 49, 37, 31, 42, 43, 47, 27, 24, 0, 68, - 30, 16, 12, 14, 8, 51, 0, 50, 2, 0, - 44, 45, 48, 38, 29, 55, 66, 32, 40, 46, - 39, 0, 53, 41, 52, 55, 0, 62, 56, 57, - 54, 58, 0, 0, 0 + -1, 1, 2, 41, 83, 117, 78, 85, 43, 47, + 46, 44, 45, 87, 119, 120, 93, 98, 99, 89, + 90, 79, 80, 81, 128, 133, 134, 115, 56, 105, + 53, 73, 82, 100, 75, 113 }; -static const short yydefgoto[] = + /* 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 YYTABLE_NINF, syntax error. */ +static const yytype_int16 yytable[] = { - 92, 1, 2, 28, 29, 33, 32, 58, 30, 69, - 31, 52, 74, 77, 55, 56, 49, 50, 75, 81, - 82, 88, 89, 41, 46, 68, 60 + 74, -109, 76, 60, 3, 64, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 54, 94, 76, 13, 14, + 66, 4, 5, 6, 7, 8, 9, 10, 11, 12, + 70, 26, 48, 13, 14, 70, 102, 32, 91, 91, + 103, 71, 124, 49, 72, 61, 26, 65, 77, 111, + 88, 50, 32, 70, 51, 121, 126, 40, 55, 126, + 52, 125, 67, 77, 137, 138, 139, 70, 123, 118, + 71, 57, 40, 72, 132, 71, 58, 59, 72, 95, + 96, 97, 91, 104, 91, 62, 122, 121, 122, 63, + 140, 141, 135, 71, 136, 147, 72, 148, 68, 69, + 84, 86, 142, 51, 106, 144, 107, 108, 109, 110, + 116, 142, 4, 5, 6, 7, 8, 9, 10, 11, + 12, 114, 127, 129, 13, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 131, 70, 146, + 145, 42, 130, 112, 143, 36, 101, 37, 38, 92, + 0, 0, 39, 40 }; -static const short yypact[] = +static const yytype_int16 yycheck[] = { - -32768,-32768, 72,-32768,-32768, -22, -29, 8, -1,-32768, - -32768,-32768,-32768,-32768, -16, -14, -11, 22,-32768,-32768, - -32768,-32768,-32768,-32768, 22,-32768, -6,-32768,-32768,-32768, - -32768, 0, -24, -24,-32768, 1,-32768,-32768,-32768,-32768, - -32768,-32768, 22, 22, 22,-32768, 22,-32768, -2, -17, - -32768,-32768,-32768,-32768, 4,-32768, -24, -24, 2,-32768, - -32768,-32768,-32768,-32768,-32768,-32768, 3,-32768,-32768, -1, - 32,-32768,-32768,-32768, 5,-32768,-32768, -1,-32768,-32768, - -32768, -18, -3,-32768,-32768,-32768, -1,-32768,-32768,-32768, - -3,-32768, 39, 40,-32768 + 32, 0, 1, 3, 0, 3, 5, 6, 7, 8, + 9, 10, 11, 12, 13, 3, 48, 1, 17, 18, + 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, + 3, 30, 52, 17, 18, 3, 52, 36, 46, 47, + 3, 43, 91, 40, 46, 45, 30, 45, 47, 48, + 52, 40, 36, 3, 40, 87, 98, 56, 46, 101, + 46, 93, 45, 47, 14, 15, 16, 3, 4, 85, + 43, 3, 56, 46, 123, 43, 4, 4, 46, 52, + 53, 54, 90, 46, 92, 40, 90, 119, 92, 3, + 40, 41, 49, 43, 51, 140, 46, 142, 3, 3, + 46, 52, 134, 40, 3, 137, 3, 3, 51, 51, + 40, 143, 5, 6, 7, 8, 9, 10, 11, 12, + 13, 42, 44, 40, 17, 18, 19, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 4, 3, 52, + 4, 2, 119, 79, 135, 48, 50, 50, 51, 47, + -1, -1, 55, 56 }; -static const short yypgoto[] = + /* STOS_[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = { - -32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, - -32768,-32768,-32768,-32768, -28, 10,-32768, -5,-32768,-32768, - -40, -8,-32768, -48, -19,-32768,-32768 + 0, 58, 59, 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, 48, 50, 51, 55, + 56, 60, 63, 65, 68, 69, 67, 66, 52, 40, + 40, 40, 46, 87, 3, 46, 85, 3, 4, 4, + 3, 45, 40, 3, 3, 45, 3, 45, 3, 3, + 3, 43, 46, 88, 90, 91, 1, 47, 63, 78, + 79, 80, 89, 61, 46, 64, 52, 70, 52, 76, + 77, 88, 77, 73, 90, 52, 53, 54, 74, 75, + 90, 74, 87, 3, 46, 86, 3, 3, 3, 51, + 51, 48, 79, 92, 42, 84, 40, 62, 87, 71, + 72, 90, 76, 4, 91, 90, 75, 44, 81, 40, + 72, 4, 91, 82, 83, 49, 51, 14, 15, 16, + 40, 41, 90, 83, 90, 4, 52, 84, 84 }; - -#define YYLAST 110 - - -static const short yytable[] = + /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = { - 40, 37, 38, 37, 38, 47, 71, 53, 37, 34, - 70, 35, 54, 86, 36, 84, 42, 85, 43, 48, - 66, 44, 79, 61, 62, 63, 45, 64, 72, 72, - 48, 51, 65, 39, 59, 39, 37, 87, 73, 93, - 94, 80, 76, 57, 67, 90, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 78, 0, 0, 0, 0, 0, 0, 0, 83, - 0, 0, 0, 0, 0, 0, 0, 0, 91, 3, - 4, 5, 6, 7, 8, 9, 10, 11, 0, 12, - 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, - 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, - 27 + 0, 57, 58, 59, 59, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 60, 61, 60, 60, 60, 60, + 60, 60, 60, 62, 62, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 64, 64, 63, 66, 65, 67, + 65, 65, 68, 69, 69, 69, 69, 70, 70, 71, + 71, 72, 72, 73, 73, 74, 74, 75, 75, 75, + 75, 76, 76, 76, 76, 76, 77, 77, 78, 78, + 79, 79, 79, 81, 80, 82, 82, 82, 83, 83, + 83, 83, 83, 83, 83, 84, 84, 85, 85, 86, + 86, 86, 87, 88, 88, 89, 90, 90, 91, 92, + 92 }; -static const short yycheck[] = + /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = { - 8, 4, 5, 4, 5, 24, 54, 31, 4, 31, - 6, 40, 36, 16, 6, 33, 32, 35, 32, 36, - 37, 32, 70, 42, 43, 44, 4, 46, 56, 57, - 36, 31, 34, 36, 33, 36, 4, 40, 36, 0, - 0, 36, 39, 33, 49, 85, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, 69, -1, -1, -1, -1, -1, -1, -1, 77, - -1, -1, -1, -1, -1, -1, -1, -1, 86, 7, - 8, 9, 10, 11, 12, 13, 14, 15, -1, 17, - 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, - 28, 29, 30, -1, -1, -1, -1, -1, -1, 37, - 38 + 0, 2, 4, 0, 2, 1, 1, 1, 3, 1, + 2, 1, 2, 2, 2, 3, 1, 2, 2, 2, + 3, 1, 1, 2, 3, 0, 3, 2, 2, 1, + 1, 1, 1, 2, 1, 1, 1, 2, 3, 3, + 1, 1, 2, 3, 0, 1, 3, 0, 3, 0, + 3, 3, 3, 1, 1, 1, 1, 0, 1, 1, + 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, + 1, 1, 1, 2, 2, 3, 1, 2, 1, 2, + 1, 2, 2, 0, 4, 1, 3, 2, 0, 3, + 3, 2, 3, 3, 3, 0, 1, 1, 1, 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, + 2 }; -#define YYPURE 1 -/* -*-C-*- Note some compilers choke on comments on `#line' lines. */ -#line 3 "/usr/share/bison/bison.simple" -/* Skeleton output parser for bison, +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software - Foundation, Inc. +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, 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. */ +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. However, + YYFAIL appears to be in use. Nevertheless, it is formally deprecated + in Bison 2.4.2's NEWS entry, where a plan to phase it out is + discussed. */ + +#define YYFAIL goto yyerrlab +#if defined YYFAIL + /* This is here to suppress warnings from the GCC cpp's + -Wunused-macros. Normally we don't worry about that warning, but + some users do, and we want to make it easy for users to remove + YYFAIL uses, which will produce warnings from Bison 2.5. */ +#endif -/* This is the parser code that is written into each bison parser when - the %semantic_parser declaration is not specified in the grammar. - It was written by Richard Stallman by simplifying the hairy parser - used when %semantic_parser is specified. */ +#define YYRECOVERING() (!!yyerrstatus) -/* All symbols defined below should begin with yy or YY, to avoid - infringing on user name space. This should be done even for local - variables, as they might otherwise be expanded by user macros. - There are some unavoidable exceptions within include files to - define necessary library symbols; they are noted "INFRINGES ON - USER NAME SPACE" below. */ +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + YYPOPSTACK (yylen); \ + yystate = *yyssp; \ + YY_LAC_DISCARD ("YYBACKUP"); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif -#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE) -/* The parser invokes alloca or malloc; define the necessary symbols. */ +/* 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. */ -# if YYSTACK_USE_ALLOCA -# define YYSTACK_ALLOC alloca +#ifndef YY_LOCATION_PRINT +# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) # else -# ifndef YYSTACK_USE_ALLOCA -# if defined (alloca) || defined (_ALLOCA_H) -# define YYSTACK_ALLOC alloca -# else -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca -# endif -# endif -# endif +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) # 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 -# endif -# define YYSTACK_ALLOC malloc -# define YYSTACK_FREE free -# endif -#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */ +/* YYLEX -- calling `yylex' with the right arguments. */ -#if (! defined (yyoverflow) \ - && (! defined (__cplusplus) \ - || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) +#ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) +#else +# define YYLEX yylex (&yylval, &yylloc) +#endif -/* A type that is properly aligned for any stack member. */ -union yyalloc -{ - short yyss; - YYSTYPE yyvs; -# if YYLSP_NEEDED - YYLTYPE yyls; +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf # endif -}; -/* The size of the maximum gap between one aligned stack and the next. */ -# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1) +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value, Location); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; +#endif +{ + YYUSE(yyoutput); + YYUSE (yylocationp); -/* The size of an array large to enough to hold all stacks, each with - N elements. */ -# if YYLSP_NEEDED -# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ - + 2 * YYSTACK_GAP_MAX) -# else -# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (short) + sizeof (YYSTYPE)) \ - + YYSTACK_GAP_MAX) + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); # endif + switch (yytype) + { + case 3: // "string" + +/* Line 753 of yacc.c */ +#line 193 "src/parse-gram.y" + { fputs (quotearg_style (c_quoting_style, ((*yyvaluep).chars)), stderr); } +/* Line 753 of yacc.c */ +#line 1040 "src/parse-gram.c" + break; + + case 4: // "integer" + +/* Line 753 of yacc.c */ +#line 206 "src/parse-gram.y" + { fprintf (stderr, "%d", ((*yyvaluep).integer)); } +/* Line 753 of yacc.c */ +#line 1049 "src/parse-gram.c" + break; + + case 24: // "%" + +/* Line 753 of yacc.c */ +#line 202 "src/parse-gram.y" + { fprintf (stderr, "%%%s", ((*yyvaluep).uniqstr)); } +/* Line 753 of yacc.c */ +#line 1058 "src/parse-gram.c" + break; + + case 40: // "{...}" + +/* Line 753 of yacc.c */ +#line 195 "src/parse-gram.y" + { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).code)); } +/* Line 753 of yacc.c */ +#line 1067 "src/parse-gram.c" + break; + + case 42: // "[identifier]" + +/* Line 753 of yacc.c */ +#line 200 "src/parse-gram.y" + { fprintf (stderr, "[%s]", ((*yyvaluep).uniqstr)); } +/* Line 753 of yacc.c */ +#line 1076 "src/parse-gram.c" + break; + + case 43: // "char" + +/* Line 753 of yacc.c */ +#line 187 "src/parse-gram.y" + { fputs (char_name (((*yyvaluep).character)), stderr); } +/* Line 753 of yacc.c */ +#line 1085 "src/parse-gram.c" + break; + + case 44: // "epilogue" + +/* Line 753 of yacc.c */ +#line 195 "src/parse-gram.y" + { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); } +/* Line 753 of yacc.c */ +#line 1094 "src/parse-gram.c" + break; + + case 46: // "identifier" + +/* Line 753 of yacc.c */ +#line 199 "src/parse-gram.y" + { fputs (((*yyvaluep).uniqstr), stderr); } +/* Line 753 of yacc.c */ +#line 1103 "src/parse-gram.c" + break; + + case 47: // "identifier:" + +/* Line 753 of yacc.c */ +#line 201 "src/parse-gram.y" + { fprintf (stderr, "%s:", ((*yyvaluep).uniqstr)); } +/* Line 753 of yacc.c */ +#line 1112 "src/parse-gram.c" + break; + + case 50: // "%{...%}" + +/* Line 753 of yacc.c */ +#line 195 "src/parse-gram.y" + { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); } +/* Line 753 of yacc.c */ +#line 1121 "src/parse-gram.c" + break; + + case 52: // "" + +/* Line 753 of yacc.c */ +#line 203 "src/parse-gram.y" + { fprintf (stderr, "<%s>", ((*yyvaluep).uniqstr)); } +/* Line 753 of yacc.c */ +#line 1130 "src/parse-gram.c" + break; + + case 55: // "%param" + +/* Line 753 of yacc.c */ +#line 249 "src/parse-gram.y" + { + switch (((*yyvaluep).param)) + { +#define CASE(In, Out) \ + case param_ ## In: fputs ("%" #Out, stderr); break + CASE(lex, lex-param); + CASE(parse, parse-param); + CASE(both, param); +#undef CASE + case param_none: aver (false); break; + } +} +/* Line 753 of yacc.c */ +#line 1150 "src/parse-gram.c" + break; + + case 72: // symbol.prec + +/* Line 753 of yacc.c */ +#line 209 "src/parse-gram.y" + { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); } +/* Line 753 of yacc.c */ +#line 1159 "src/parse-gram.c" + break; + + case 85: // variable + +/* Line 753 of yacc.c */ +#line 199 "src/parse-gram.y" + { fputs (((*yyvaluep).uniqstr), stderr); } +/* Line 753 of yacc.c */ +#line 1168 "src/parse-gram.c" + break; + + case 86: // content.opt + +/* Line 753 of yacc.c */ +#line 195 "src/parse-gram.y" + { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); } +/* Line 753 of yacc.c */ +#line 1177 "src/parse-gram.c" + break; + + case 87: // braceless + +/* Line 753 of yacc.c */ +#line 195 "src/parse-gram.y" + { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); } +/* Line 753 of yacc.c */ +#line 1186 "src/parse-gram.c" + break; + + case 88: // id + +/* Line 753 of yacc.c */ +#line 209 "src/parse-gram.y" + { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); } +/* Line 753 of yacc.c */ +#line 1195 "src/parse-gram.c" + break; + + case 89: // id_colon + +/* Line 753 of yacc.c */ +#line 210 "src/parse-gram.y" + { fprintf (stderr, "%s:", ((*yyvaluep).symbol)->tag); } +/* Line 753 of yacc.c */ +#line 1204 "src/parse-gram.c" + break; + + case 90: // symbol + +/* Line 753 of yacc.c */ +#line 209 "src/parse-gram.y" + { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); } +/* Line 753 of yacc.c */ +#line 1213 "src/parse-gram.c" + break; + + case 91: // string_as_id + +/* Line 753 of yacc.c */ +#line 209 "src/parse-gram.y" + { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); } +/* Line 753 of yacc.c */ +#line 1222 "src/parse-gram.c" + break; + + default: + break; + } +} -/* Copy COUNT objects from FROM to TO. The source and destination do - not overlap. */ -# ifndef YYCOPY -# if 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; \ - for (yyi = 0; yyi < (Count); yyi++) \ - (To)[yyi] = (From)[yyi]; \ - } \ - while (0) -# endif -# endif -/* Relocate STACK from its old location to the new one. The - local variables YYSIZE and YYSTACKSIZE give the old and new number of - elements in the stack, and YYPTR gives the new location of the - stack. Advance YYPTR to a properly aligned location for the next - stack. */ -# define YYSTACK_RELOCATE(Stack) \ - do \ - { \ - YYSIZE_T yynewbytes; \ - YYCOPY (&yyptr->Stack, Stack, yysize); \ - Stack = &yyptr->Stack; \ - yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \ - yyptr += yynewbytes / sizeof (*yyptr); \ - } \ - while (0) +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * 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, ")"); +} -#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 -#define YYEOF 0 -#define YYACCEPT goto yyacceptlab -#define YYABORT goto yyabortlab -#define YYERROR goto yyerrlab1 -/* Like YYERROR except do call yyerror. This remains here temporarily - to ease the transition to the new meaning of YYERROR, for GCC. - Once GCC version 2 has supplanted version 1, this can go. */ -#define YYFAIL goto yyerrlab -#define YYRECOVERING() (!!yyerrstatus) -#define YYBACKUP(Token, Value) \ -do \ - if (yychar == YYEMPTY && yylen == 1) \ - { \ - yychar = (Token); \ - yylval = (Value); \ - yychar1 = YYTRANSLATE (yychar); \ - YYPOPSTACK; \ - goto yybackup; \ - } \ - else \ - { \ - yyerror ("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). - - When YYLLOC_DEFAULT is run, CURRENT is set the location of the - first token. By default, to implement support for ranges, extend - its range to the last symbol. */ +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ -#ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ - Current.last_line = Rhs[N].last_line; \ - Current.last_column = Rhs[N].last_column; +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; #endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) -/* YYLEX -- calling `yylex' with the right arguments. */ - -#if YYPURE -# if YYLSP_NEEDED -# ifdef YYLEX_PARAM -# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) -# else -# define YYLEX yylex (&yylval, &yylloc) -# endif -# else /* !YYLSP_NEEDED */ -# ifdef YYLEX_PARAM -# define YYLEX yylex (&yylval, YYLEX_PARAM) -# else -# define YYLEX yylex (&yylval) -# endif -# endif /* !YYLSP_NEEDED */ -#else /* !YYPURE */ -# define YYLEX yylex () -#endif /* !YYPURE */ +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ -/* Enable debugging if requested. */ -#if YYDEBUG +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule) +#else +static void +yy_reduce_print (yyssp, yyvsp, yylsp, yyrule) + yytype_int16 *yyssp; + YYSTYPE *yyvsp; + YYLTYPE *yylsp; + int yyrule; +#endif +{ + unsigned long int yylno = yyrline[yyrule]; + int yynrhs = yyr2[yyrule]; + int yyi; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, + yystos[yyssp[yyi + 1 - yynrhs]], + &(yyvsp[(yyi + 1) - (yynrhs)]) + , &(yylsp[(yyi + 1) - (yynrhs)]) ); + YYFPRINTF (stderr, "\n"); + } +} -# ifndef YYFPRINTF -# include /* INFRINGES ON USER NAME SPACE */ -# define YYFPRINTF fprintf -# endif +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyssp, yyvsp, yylsp, Rule); \ +} while (YYID (0)) -# define YYDPRINTF(Args) \ -do { \ - if (yydebug) \ - YYFPRINTF Args; \ -} while (0) /* Nonzero means print parse trace. It is left uninitialized so that multiple parsers can coexist. */ int yydebug; #else /* !YYDEBUG */ # define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) #endif /* !YYDEBUG */ + /* YYINITDEPTH -- initial size of the parser's stacks. */ -#ifndef YYINITDEPTH +#ifndef YYINITDEPTH # define YYINITDEPTH 200 #endif @@ -595,59 +1347,291 @@ 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 - -#ifdef YYERROR_VERBOSE + +/* Given a state stack such that *YYBOTTOM is its bottom, such that + *YYTOP is either its top or is YYTOP_EMPTY to indicate an empty + stack, and such that *YYCAPACITY is the maximum number of elements it + can hold without a reallocation, make sure there is enough room to + store YYADD more elements. If not, allocate a new stack using + YYSTACK_ALLOC, copy the existing elements, and adjust *YYBOTTOM, + *YYTOP, and *YYCAPACITY to reflect the new capacity and memory + location. If *YYBOTTOM != YYBOTTOM_NO_FREE, then free the old stack + using YYSTACK_FREE. Return 0 if successful or if no reallocation is + required. Return 1 if memory is exhausted. */ +static int +yy_lac_stack_realloc (YYSIZE_T *yycapacity, YYSIZE_T yyadd, +#if YYDEBUG + char const *yydebug_prefix, + char const *yydebug_suffix, +#endif + yytype_int16 **yybottom, + yytype_int16 *yybottom_no_free, + yytype_int16 **yytop, yytype_int16 *yytop_empty) +{ + YYSIZE_T yysize_old = + *yytop == yytop_empty ? 0 : *yytop - *yybottom + 1; + YYSIZE_T yysize_new = yysize_old + yyadd; + if (*yycapacity < yysize_new) + { + YYSIZE_T yyalloc = 2 * yysize_new; + yytype_int16 *yybottom_new; + /* Use YYMAXDEPTH for maximum stack size given that the stack + should never need to grow larger than the main state stack + needs to grow without LAC. */ + if (YYMAXDEPTH < yysize_new) + { + YYDPRINTF ((stderr, "%smax size exceeded%s", yydebug_prefix, + yydebug_suffix)); + return 1; + } + if (YYMAXDEPTH < yyalloc) + yyalloc = YYMAXDEPTH; + yybottom_new = + (yytype_int16*) YYSTACK_ALLOC (yyalloc * sizeof *yybottom_new); + if (!yybottom_new) + { + YYDPRINTF ((stderr, "%srealloc failed%s", yydebug_prefix, + yydebug_suffix)); + return 1; + } + if (*yytop != yytop_empty) + { + YYCOPY (yybottom_new, *yybottom, yysize_old); + *yytop = yybottom_new + (yysize_old - 1); + } + if (*yybottom != yybottom_no_free) + YYSTACK_FREE (*yybottom); + *yybottom = yybottom_new; + *yycapacity = yyalloc; + } + return 0; +} + +/* Establish the initial context for the current lookahead if no initial + context is currently established. + + We define a context as a snapshot of the parser stacks. We define + the initial context for a lookahead as the context in which the + parser initially examines that lookahead in order to select a + syntactic action. Thus, if the lookahead eventually proves + syntactically unacceptable (possibly in a later context reached via a + series of reductions), the initial context can be used to determine + the exact set of tokens that would be syntactically acceptable in the + lookahead's place. Moreover, it is the context after which any + further semantic actions would be erroneous because they would be + determined by a syntactically unacceptable token. + + YY_LAC_ESTABLISH should be invoked when a reduction is about to be + performed in an inconsistent state (which, for the purposes of LAC, + includes consistent states that don't know they're consistent because + their default reductions have been disabled). Iff there is a + lookahead token, it should also be invoked before reporting a syntax + error. This latter case is for the sake of the debugging output. + + For parse.lac=full, the implementation of YY_LAC_ESTABLISH is as + follows. If no initial context is currently established for the + current lookahead, then check if that lookahead can eventually be + shifted if syntactic actions continue from the current context. + Report a syntax error if it cannot. */ +#define YY_LAC_ESTABLISH \ +do { \ + if (!yy_lac_established) \ + { \ + YYDPRINTF ((stderr, \ + "LAC: initial context established for %s\n", \ + yytname[yytoken])); \ + yy_lac_established = 1; \ + { \ + int yy_lac_status = \ + yy_lac (yyesa, &yyes, &yyes_capacity, yyssp, yytoken); \ + if (yy_lac_status == 2) \ + goto yyexhaustedlab; \ + if (yy_lac_status == 1) \ + goto yyerrlab; \ + } \ + } \ +} while (YYID (0)) + +/* Discard any previous initial lookahead context because of Event, + which may be a lookahead change or an invalidation of the currently + established initial context for the current lookahead. + + The most common example of a lookahead change is a shift. An example + of both cases is syntax error recovery. That is, a syntax error + occurs when the lookahead is syntactically erroneous for the + currently established initial context, so error recovery manipulates + the parser stacks to try to find a new initial context in which the + current lookahead is syntactically acceptable. If it fails to find + such a context, it discards the lookahead. */ +#if YYDEBUG +# define YY_LAC_DISCARD(Event) \ +do { \ + if (yy_lac_established) \ + { \ + if (yydebug) \ + YYFPRINTF (stderr, "LAC: initial context discarded due to " \ + Event "\n"); \ + yy_lac_established = 0; \ + } \ +} while (YYID (0)) +#else +# define YY_LAC_DISCARD(Event) yy_lac_established = 0 +#endif + +/* Given the stack whose top is *YYSSP, return 0 iff YYTOKEN can + eventually (after perhaps some reductions) be shifted, return 1 if + not, or return 2 if memory is exhausted. As preconditions and + postconditions: *YYES_CAPACITY is the allocated size of the array to + which *YYES points, and either *YYES = YYESA or *YYES points to an + array allocated with YYSTACK_ALLOC. yy_lac may overwrite the + contents of either array, alter *YYES and *YYES_CAPACITY, and free + any old *YYES other than YYESA. */ +static int +yy_lac (yytype_int16 *yyesa, yytype_int16 **yyes, + YYSIZE_T *yyes_capacity, yytype_int16 *yyssp, int yytoken) +{ + yytype_int16 *yyes_prev = yyssp; + yytype_int16 *yyesp = yyes_prev; + YYDPRINTF ((stderr, "LAC: checking lookahead %s:", yytname[yytoken])); + if (yytoken == YYUNDEFTOK) + { + YYDPRINTF ((stderr, " Always Err\n")); + return 1; + } + while (1) + { + int yyrule = yypact[*yyesp]; + if (yypact_value_is_default (yyrule) + || (yyrule += yytoken) < 0 || YYLAST < yyrule + || yycheck[yyrule] != yytoken) + { + yyrule = yydefact[*yyesp]; + if (yyrule == 0) + { + YYDPRINTF ((stderr, " Err\n")); + return 1; + } + } + else + { + yyrule = yytable[yyrule]; + if (yytable_value_is_error (yyrule)) + { + YYDPRINTF ((stderr, " Err\n")); + return 1; + } + if (0 < yyrule) + { + YYDPRINTF ((stderr, " S%d\n", yyrule)); + return 0; + } + yyrule = -yyrule; + } + { + YYSIZE_T yylen = yyr2[yyrule]; + YYDPRINTF ((stderr, " R%d", yyrule - 1)); + if (yyesp != yyes_prev) + { + YYSIZE_T yysize = yyesp - *yyes + 1; + if (yylen < yysize) + { + yyesp -= yylen; + yylen = 0; + } + else + { + yylen -= yysize; + yyesp = yyes_prev; + } + } + if (yylen) + yyesp = yyes_prev -= yylen; + } + { + int yystate; + { + int yylhs = yyr1[yyrule] - YYNTOKENS; + yystate = yypgoto[yylhs] + *yyesp; + if (yystate < 0 || YYLAST < yystate + || yycheck[yystate] != *yyesp) + yystate = yydefgoto[yylhs]; + else + yystate = yytable[yystate]; + } + if (yyesp == yyes_prev) + { + yyesp = *yyes; + *yyesp = yystate; + } + else + { + if (yy_lac_stack_realloc (yyes_capacity, 1, +#if YYDEBUG + " (", ")", +#endif + yyes, yyesa, &yyesp, yyes_prev)) + { + YYDPRINTF ((stderr, "\n")); + return 2; + } + *++yyesp = yystate; + } + YYDPRINTF ((stderr, " G%d", yystate)); + } + } +} + + +#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; @@ -656,149 +1640,390 @@ yystpcpy (yydest, yysrc) } # endif # endif -#endif - -#line 315 "/usr/share/bison/bison.simple" +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } -/* The user can define YYPARSE_PARAM as the name of an argument to be passed - into yyparse. The argument should have type void *. - It should actually point to an object. - Grammar actions can access the variable by casting it - to the proper pointer type. */ + if (! yyres) + return yystrlen (yystr); -#ifdef YYPARSE_PARAM -# if defined (__STDC__) || defined (__cplusplus) -# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM -# define YYPARSE_PARAM_DECL -# else -# define YYPARSE_PARAM_ARG YYPARSE_PARAM -# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; + return yystpcpy (yyres, yystr) - yyres; +} # endif -#else /* !YYPARSE_PARAM */ -# define YYPARSE_PARAM_ARG -# define YYPARSE_PARAM_DECL -#endif /* !YYPARSE_PARAM */ - -/* Prevent warning if -Wstrict-prototypes. */ -#ifdef __GNUC__ -# ifdef YYPARSE_PARAM -int yyparse (void *); -# else -int yyparse (void); + +/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message + about the unexpected token YYTOKEN for the state stack whose top is + YYSSP. In order to see if a particular token T is a + valid looakhead, invoke yy_lac (YYESA, YYES, YYES_CAPACITY, YYSSP, T). + + Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is + not large enough to hold the message. In that case, also set + *YYMSG_ALLOC to the required number of bytes. Return 2 if the + required number of bytes is too large to store or if + yy_lac returned 2. */ +static int +yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, + yytype_int16 *yyesa, yytype_int16 **yyes, + YYSIZE_T *yyes_capacity, yytype_int16 *yyssp, int yytoken) +{ + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytoken]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + /* Internationalized format string. */ + const char *yyformat = 0; + /* Arguments of yyformat. */ + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + /* Number of reported tokens (one for the "unexpected", one per + "expected"). */ + int yycount = 0; + + /* There are many possibilities here to consider: + - Assume YYFAIL is not used. It's too flawed to consider. See + + for details. YYERROR is fine as it does not invoke this + function. + - If this state is a consistent state with a default action, then + the only way this function was invoked is if the default action + is an error action. In that case, don't check for expected + tokens because there are none. + - The only way there can be no lookahead present (in yychar) is if + this state is a consistent state with a default action. Thus, + detecting the absence of a lookahead is sufficient to determine + that there is no unexpected or expected token to report. In that + case, just report a simple "syntax error". + - Don't assume there isn't a lookahead just because this state is a + consistent state with a default action. There might have been a + previous inconsistent state, consistent state with a non-default + action, or user semantic action that manipulated yychar. + In the first two cases, it might appear that the current syntax + error should have been detected in the previous state when yy_lac + was invoked. However, at that time, there might have been a + different syntax error that discarded a different initial context + during error recovery, leaving behind the current lookahead. + */ + if (yytoken != YYEMPTY) + { + int yyn = yypact[*yyssp]; + YYDPRINTF ((stderr, "Constructing syntax error message\n")); + yyarg[yycount++] = yytname[yytoken]; + if (!yypact_value_is_default (yyn)) + { + int yyx; + + for (yyx = 0; yyx < YYNTOKENS; ++yyx) + if (yyx != YYTERROR && yyx != YYUNDEFTOK) + { + { + int yy_lac_status = yy_lac (yyesa, yyes, yyes_capacity, + yyssp, yyx); + if (yy_lac_status == 2) + return 2; + if (yy_lac_status == 1) + continue; + } + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + if (! (yysize <= yysize1 + && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } + } +# if YYDEBUG + else if (yydebug) + YYFPRINTF (stderr, "No expected tokens.\n"); # endif -#endif + } -/* YY_DECL_VARIABLES -- depending whether we use a pure parser, - variables are global, or local to YYPARSE. */ - -#define YY_DECL_NON_LSP_VARIABLES \ -/* The lookahead symbol. */ \ -int yychar; \ - \ -/* The semantic value of the lookahead symbol. */ \ -YYSTYPE yylval; \ - \ -/* Number of parse errors so far. */ \ -int yynerrs; - -#if YYLSP_NEEDED -# define YY_DECL_VARIABLES \ -YY_DECL_NON_LSP_VARIABLES \ - \ -/* Location data for the lookahead symbol. */ \ -YYLTYPE yylloc; -#else -# define YY_DECL_VARIABLES \ -YY_DECL_NON_LSP_VARIABLES -#endif + switch (yycount) + { +# define YYCASE_(N, S) \ + case N: \ + yyformat = S; \ + break + YYCASE_(0, YY_("syntax error")); + YYCASE_(1, YY_("syntax error, unexpected %s")); + YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s")); + YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s")); + YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s")); + YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s")); +# undef YYCASE_ + } + yysize1 = yysize + yystrlen (yyformat); + if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; -/* If nonreentrant, generate the variables here. */ + if (*yymsg_alloc < yysize) + { + *yymsg_alloc = 2 * yysize; + if (! (yysize <= *yymsg_alloc + && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) + *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; + return 1; + } -#if !YYPURE -YY_DECL_VARIABLES -#endif /* !YYPURE */ + /* 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 = *yymsg; + int yyi = 0; + while ((*yyp = *yyformat) != '\0') + if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyformat += 2; + } + else + { + yyp++; + yyformat++; + } + } + return 0; +} +#endif /* YYERROR_VERBOSE */ -int -yyparse (YYPARSE_PARAM_ARG) - YYPARSE_PARAM_DECL +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp) +#else +static void +yydestruct (yymsg, yytype, yyvaluep, yylocationp) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; + YYLTYPE *yylocationp; +#endif { - /* If reentrant, generate the variables here. */ -#if YYPURE - YY_DECL_VARIABLES -#endif /* !YYPURE */ + YYUSE(yyvaluep); + YYUSE (yylocationp); - register int yystate; - register int yyn; - int yyresult; - /* Number of tokens to shift before error messages enabled. */ - int yyerrstatus; - /* Lookahead token as an internal (translated) token number. */ - int yychar1 = 0; - - /* Three stacks and their tools: - `yyss': related to states, - `yyvs': related to semantic values, - `yyls': related to locations. - - Refer to the stacks thru separate pointers, to allow yyoverflow - to reallocate them elsewhere. */ - - /* The state stack. */ - short yyssa[YYINITDEPTH]; - short *yyss = yyssa; - register short *yyssp; - - /* The semantic value stack. */ - YYSTYPE yyvsa[YYINITDEPTH]; - YYSTYPE *yyvs = yyvsa; - register YYSTYPE *yyvsp; - -#if YYLSP_NEEDED - /* The location stack. */ - YYLTYPE yylsa[YYINITDEPTH]; - YYLTYPE *yyls = yylsa; - YYLTYPE *yylsp; + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + default: + break; + } +} + + +/* Prevent warnings from -Wmissing-prototypes. */ +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); #endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int yyparse (void); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + -#if YYLSP_NEEDED -# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) +/*----------. +| yyparse. | +`----------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) #else -# define YYPOPSTACK (yyvsp--, yyssp--) +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void) +#else +int +yyparse () + #endif +#endif +{ +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Location data for the lookahead symbol. */ +YYLTYPE yylloc; + + /* Number of syntax errors so far. */ + int yynerrs; + + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + `yyls': related to locations. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ - YYSIZE_T yystacksize = YYINITDEPTH; + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + /* The location stack. */ + YYLTYPE yylsa[YYINITDEPTH]; + YYLTYPE *yyls; + YYLTYPE *yylsp; + + /* The locations where the error started and ended. */ + YYLTYPE yyerror_range[3]; + + YYSIZE_T yystacksize; + + yytype_int16 yyesa[20]; + yytype_int16 *yyes; + YYSIZE_T yyes_capacity; + + int yy_lac_established = 0; + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; /* The variables used to return semantic value and location from the action routines. */ YYSTYPE yyval; -#if YYLSP_NEEDED YYLTYPE yyloc; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; #endif - /* When reducing, the number of symbols on the RHS of the reduced - rule. */ - int yylen; +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yyls = yylsa; + yystacksize = YYINITDEPTH; + + yyes = yyesa; + yyes_capacity = sizeof yyesa / sizeof *yyes; + if (YYMAXDEPTH < yyes_capacity) + yyes_capacity = YYMAXDEPTH; YYDPRINTF ((stderr, "Starting parse\n")); yystate = 0; yyerrstatus = 0; yynerrs = 0; - yychar = YYEMPTY; /* Cause a token to be read. */ + yychar = YYEMPTY; /* Cause a token to be read. */ /* Initialize stack pointers. Waste one element of value and location stack so that they stay on the same level as the state stack. The wasted elements are never initialized. */ - yyssp = yyss; yyvsp = yyvs; -#if YYLSP_NEEDED yylsp = yyls; + +#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL + /* Initialize the default location before parsing starts. */ + yylloc.first_line = yylloc.last_line = 1; + yylloc.first_column = yylloc.last_column = 1; #endif + +/* User initialization code. */ +/* Line 1526 of yacc.c */ +#line 98 "src/parse-gram.y" +{ + /* Bison's grammar can initial empty locations, hence a default + location is needed. */ + boundary_set (&yylloc.start, current_file, 1, 1); + boundary_set (&yylloc.end, current_file, 1, 1); +} +/* Line 1526 of yacc.c */ +#line 2025 "src/parse-gram.c" + yylsp[0] = yylloc; + goto yysetstate; /*------------------------------------------------------------. @@ -806,195 +2031,151 @@ yyparse (YYPARSE_PARAM_ARG) `------------------------------------------------------------*/ 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: *yyssp = yystate; - if (yyssp >= yyss + yystacksize - 1) + if (yyss + yystacksize - 1 <= yyssp) { /* Get the current used size of the three stacks, in elements. */ YYSIZE_T yysize = yyssp - yyss + 1; #ifdef yyoverflow { - /* Give user a chance to reallocate the stack. Use copies of - these so that the &'s don't force the real ones into - memory. */ - YYSTYPE *yyvs1 = yyvs; - short *yyss1 = yyss; - - /* Each stack pointer address is followed by the size of the - data in use in that stack, in bytes. */ -# if YYLSP_NEEDED - YYLTYPE *yyls1 = yyls; - /* 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", - &yyss1, yysize * sizeof (*yyssp), - &yyvs1, yysize * sizeof (*yyvsp), - &yyls1, yysize * sizeof (*yylsp), - &yystacksize); - yyls = yyls1; -# else - yyoverflow ("parser stack overflow", - &yyss1, yysize * sizeof (*yyssp), - &yyvs1, yysize * sizeof (*yyvsp), - &yystacksize); -# endif - yyss = yyss1; - yyvs = yyvs1; + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + 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 (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yyls1, yysize * sizeof (*yylsp), + &yystacksize); + + yyls = yyls1; + yyss = yyss1; + yyvs = yyvs1; } #else /* no yyoverflow */ # ifndef YYSTACK_RELOCATE - goto yyoverflowlab; + goto yyexhaustedlab; # else /* Extend the stack our own way. */ - if (yystacksize >= YYMAXDEPTH) - goto yyoverflowlab; + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; yystacksize *= 2; - if (yystacksize > YYMAXDEPTH) - yystacksize = YYMAXDEPTH; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; { - short *yyss1 = yyss; - union yyalloc *yyptr = - (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); - if (! yyptr) - goto yyoverflowlab; - YYSTACK_RELOCATE (yyss); - YYSTACK_RELOCATE (yyvs); -# if YYLSP_NEEDED - YYSTACK_RELOCATE (yyls); -# endif -# undef YYSTACK_RELOCATE - if (yyss1 != yyssa) - YYSTACK_FREE (yyss1); + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); + YYSTACK_RELOCATE (yyls_alloc, yyls); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); } # endif #endif /* no yyoverflow */ yyssp = yyss + yysize - 1; yyvsp = yyvs + yysize - 1; -#if YYLSP_NEEDED yylsp = yyls + yysize - 1; -#endif YYDPRINTF ((stderr, "Stack size increased to %lu\n", - (unsigned long int) yystacksize)); + (unsigned long int) yystacksize)); - if (yyssp >= yyss + yystacksize - 1) - YYABORT; + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; } YYDPRINTF ((stderr, "Entering state %d\n", yystate)); - goto yybackup; + if (yystate == YYFINAL) + YYACCEPT; + goto yybackup; /*-----------. | yybackup. | `-----------*/ yybackup: -/* Do appropriate processing given the current state. */ -/* Read a lookahead token if we need one and don't already have one. */ -/* yyresume: */ + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ /* First try to decide what to do without reference to lookahead token. */ - yyn = yypact[yystate]; - if (yyn == YYFLAG) + if (yypact_value_is_default (yyn)) goto yydefault; /* Not known => get a lookahead token if don't already have one. */ - /* yychar is either YYEMPTY or YYEOF - or a valid token in external form. */ - + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ if (yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); yychar = YYLEX; } - /* Convert token to internal form (in yychar1) for indexing tables with */ - - if (yychar <= 0) /* This means end of input. */ + if (yychar <= YYEOF) { - yychar1 = 0; - yychar = YYEOF; /* Don't call YYLEX any more */ - + yychar = yytoken = YYEOF; YYDPRINTF ((stderr, "Now at end of input.\n")); } else { - yychar1 = YYTRANSLATE (yychar); - -#if YYDEBUG - /* We have to keep this `#if YYDEBUG', since we use variables - which are defined only if `YYDEBUG' is set. */ - if (yydebug) - { - YYFPRINTF (stderr, "Next token is %d (%s", - yychar, yytname[yychar1]); - /* Give the individual parser a way to print the precise - meaning of a token, for further debugging info. */ -# ifdef YYPRINT - YYPRINT (stderr, yychar, yylval); -# endif - YYFPRINTF (stderr, ")\n"); - } -#endif + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); } - yyn += yychar1; - if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) - goto yydefault; - + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + { + YY_LAC_ESTABLISH; + goto yydefault; + } yyn = yytable[yyn]; - - /* yyn is what to do for this token type in this state. - Negative => reduce, -yyn is rule number. - Positive => shift, yyn is new state. - New state is final state => don't bother to shift, - just return success. - 0, or most negative number => error. */ - - if (yyn < 0) + if (yyn <= 0) { - if (yyn == YYFLAG) - goto yyerrlab; + if (yytable_value_is_error (yyn)) + goto yyerrlab; + YY_LAC_ESTABLISH; yyn = -yyn; goto yyreduce; } - else if (yyn == 0) - goto yyerrlab; - - if (yyn == YYFINAL) - YYACCEPT; - - /* Shift the lookahead token. */ - YYDPRINTF ((stderr, "Shifting token %d (%s), ", - yychar, yytname[yychar1])); - - /* Discard the token being shifted unless it is eof. */ - if (yychar != YYEOF) - yychar = YYEMPTY; - - *++yyvsp = yylval; -#if YYLSP_NEEDED - *++yylsp = yylloc; -#endif /* Count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + YY_LAC_DISCARD ("shift"); + yystate = yyn; + *++yyvsp = yylval; + *++yylsp = yylloc; goto yynewstate; @@ -1015,361 +2196,917 @@ yyreduce: /* yyn is the number of a rule to reduce with. */ yylen = yyr2[yyn]; - /* If YYLEN is nonzero, implement the default value of the action: - `$$ = $1'. + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + /* Default location. */ + YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); + YY_REDUCE_PRINT (yyn); + { + int yychar_backup = yychar; + switch (yyn) + { + case 6: +/* Line 1742 of yacc.c */ +#line 285 "src/parse-gram.y" + { + code_props plain_code; + code_props_plain_init (&plain_code, (yyvsp[0].chars), (yylsp[0])); + code_props_translate_code (&plain_code); + gram_scanner_last_string_free (); + muscle_code_grow (union_seen ? "post_prologue" : "pre_prologue", + plain_code.code, (yylsp[0])); + code_scanner_last_string_free (); + } +/* Line 1742 of yacc.c */ +#line 2230 "src/parse-gram.c" + break; + + case 7: +/* Line 1742 of yacc.c */ +#line 295 "src/parse-gram.y" + { + muscle_percent_define_ensure ((yyvsp[0].uniqstr), (yylsp[0]), true); + } +/* Line 1742 of yacc.c */ +#line 2240 "src/parse-gram.c" + break; + + case 8: +/* Line 1742 of yacc.c */ +#line 299 "src/parse-gram.y" + { + muscle_percent_define_insert ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars), + MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE); + } +/* Line 1742 of yacc.c */ +#line 2251 "src/parse-gram.c" + break; + + case 9: +/* Line 1742 of yacc.c */ +#line 303 "src/parse-gram.y" + { defines_flag = true; } +/* Line 1742 of yacc.c */ +#line 2259 "src/parse-gram.c" + break; + + case 10: +/* Line 1742 of yacc.c */ +#line 305 "src/parse-gram.y" + { + defines_flag = true; + spec_defines_file = xstrdup ((yyvsp[0].chars)); + } +/* Line 1742 of yacc.c */ +#line 2270 "src/parse-gram.c" + break; + + case 11: +/* Line 1742 of yacc.c */ +#line 310 "src/parse-gram.y" + { + muscle_percent_define_insert ("parse.error", (yylsp[0]), "verbose", + MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE); + } +/* Line 1742 of yacc.c */ +#line 2281 "src/parse-gram.c" + break; + + case 12: +/* Line 1742 of yacc.c */ +#line 314 "src/parse-gram.y" + { expected_sr_conflicts = (yyvsp[0].integer); } +/* Line 1742 of yacc.c */ +#line 2289 "src/parse-gram.c" + break; + + case 13: +/* Line 1742 of yacc.c */ +#line 315 "src/parse-gram.y" + { expected_rr_conflicts = (yyvsp[0].integer); } +/* Line 1742 of yacc.c */ +#line 2297 "src/parse-gram.c" + break; - Otherwise, the following line sets YYVAL to the semantic value of - the lookahead token. This behavior is undocumented and Bison - users should not rely upon it. Assigning to YYVAL - unconditionally makes the parser a bit smaller, and it avoids a - GCC warning that YYVAL may be used uninitialized. */ - yyval = yyvsp[1-yylen]; + case 14: +/* Line 1742 of yacc.c */ +#line 316 "src/parse-gram.y" + { spec_file_prefix = (yyvsp[0].chars); } +/* Line 1742 of yacc.c */ +#line 2305 "src/parse-gram.c" + break; -#if YYLSP_NEEDED - /* Similarly for the default location. Let the user run additional - commands if for instance locations are ranges. */ - yyloc = yylsp[1-yylen]; - YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); -#endif + case 15: +/* Line 1742 of yacc.c */ +#line 317 "src/parse-gram.y" + { spec_file_prefix = (yyvsp[0].chars); } +/* Line 1742 of yacc.c */ +#line 2313 "src/parse-gram.c" + break; -#if YYDEBUG - /* We have to keep this `#if YYDEBUG', since we use variables which - are defined only if `YYDEBUG' is set. */ - if (yydebug) + case 16: +/* Line 1742 of yacc.c */ +#line 319 "src/parse-gram.y" { - int yyi; - - YYFPRINTF (stderr, "Reducing via rule %d (line %d), ", - yyn, yyrline[yyn]); + nondeterministic_parser = true; + glr_parser = true; + } +/* Line 1742 of yacc.c */ +#line 2324 "src/parse-gram.c" + break; - /* Print the symbols being reduced, and their result. */ - for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++) - YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); - YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]); + case 17: +/* Line 1742 of yacc.c */ +#line 324 "src/parse-gram.y" + { + code_props action; + code_props_symbol_action_init (&action, (yyvsp[0].code), (yylsp[0])); + code_props_translate_code (&action); + gram_scanner_last_string_free (); + muscle_code_grow ("initial_action", action.code, (yylsp[0])); + code_scanner_last_string_free (); } -#endif +/* Line 1742 of yacc.c */ +#line 2339 "src/parse-gram.c" + break; - switch (yyn) { + case 18: +/* Line 1742 of yacc.c */ +#line 332 "src/parse-gram.y" + { language_argmatch ((yyvsp[0].chars), grammar_prio, (yylsp[-1])); } +/* Line 1742 of yacc.c */ +#line 2347 "src/parse-gram.c" + break; -case 1: -#line 132 "parse-gram.y" -{ LOCATION_RESET (yylloc); } + case 19: +/* Line 1742 of yacc.c */ +#line 333 "src/parse-gram.y" + { spec_name_prefix = (yyvsp[0].chars); } +/* Line 1742 of yacc.c */ +#line 2355 "src/parse-gram.c" break; -case 2: -#line 134 "parse-gram.y" -{ - yycontrol->errcode = 0; - epilogue_set (yyvsp[0].string, yylsp[0]); - } + + case 20: +/* Line 1742 of yacc.c */ +#line 334 "src/parse-gram.y" + { spec_name_prefix = (yyvsp[0].chars); } +/* Line 1742 of yacc.c */ +#line 2363 "src/parse-gram.c" break; -case 6: -#line 148 "parse-gram.y" -{ - prologue_augment (yyvsp[0].string, yylsp[0]); - } + + case 21: +/* Line 1742 of yacc.c */ +#line 335 "src/parse-gram.y" + { no_lines_flag = true; } +/* Line 1742 of yacc.c */ +#line 2371 "src/parse-gram.c" break; -case 7: -#line 151 "parse-gram.y" -{ debug_flag = 1; } + + case 22: +/* Line 1742 of yacc.c */ +#line 336 "src/parse-gram.y" + { nondeterministic_parser = true; } +/* Line 1742 of yacc.c */ +#line 2379 "src/parse-gram.c" + break; + + case 23: +/* Line 1742 of yacc.c */ +#line 337 "src/parse-gram.y" + { spec_outfile = (yyvsp[0].chars); } +/* Line 1742 of yacc.c */ +#line 2387 "src/parse-gram.c" break; -case 8: -#line 152 "parse-gram.y" -{ muscle_insert (yyvsp[-1].string, yyvsp[0].string); } + + case 24: +/* Line 1742 of yacc.c */ +#line 338 "src/parse-gram.y" + { spec_outfile = (yyvsp[0].chars); } +/* Line 1742 of yacc.c */ +#line 2395 "src/parse-gram.c" break; -case 9: -#line 153 "parse-gram.y" -{ defines_flag = 1; } + + case 25: +/* Line 1742 of yacc.c */ +#line 339 "src/parse-gram.y" + { current_param = (yyvsp[0].param); } +/* Line 1742 of yacc.c */ +#line 2403 "src/parse-gram.c" break; -case 10: -#line 154 "parse-gram.y" -{ error_verbose = 1; } + + case 26: +/* Line 1742 of yacc.c */ +#line 339 "src/parse-gram.y" + { current_param = param_none; } +/* Line 1742 of yacc.c */ +#line 2411 "src/parse-gram.c" break; -case 11: -#line 155 "parse-gram.y" -{ expected_conflicts = yyvsp[0].integer; } + + case 27: +/* Line 1742 of yacc.c */ +#line 340 "src/parse-gram.y" + { version_check (&(yylsp[0]), (yyvsp[0].chars)); } +/* Line 1742 of yacc.c */ +#line 2419 "src/parse-gram.c" break; -case 12: -#line 156 "parse-gram.y" -{ spec_file_prefix = yyvsp[0].string; } + + case 28: +/* Line 1742 of yacc.c */ +#line 342 "src/parse-gram.y" + { + char const *skeleton_user = (yyvsp[0].chars); + if (mbschr (skeleton_user, '/')) + { + size_t dir_length = strlen (current_file); + char *skeleton_build; + while (dir_length && current_file[dir_length - 1] != '/') + --dir_length; + while (dir_length && current_file[dir_length - 1] == '/') + --dir_length; + skeleton_build = + xmalloc (dir_length + 1 + strlen (skeleton_user) + 1); + if (dir_length > 0) + { + strncpy (skeleton_build, current_file, dir_length); + skeleton_build[dir_length++] = '/'; + } + strcpy (skeleton_build + dir_length, skeleton_user); + skeleton_user = uniqstr_new (skeleton_build); + free (skeleton_build); + } + skeleton_arg (skeleton_user, grammar_prio, (yylsp[-1])); + } +/* Line 1742 of yacc.c */ +#line 2449 "src/parse-gram.c" break; -case 13: -#line 157 "parse-gram.y" -{ locations_flag = 1; } + + case 29: +/* Line 1742 of yacc.c */ +#line 365 "src/parse-gram.y" + { token_table_flag = true; } +/* Line 1742 of yacc.c */ +#line 2457 "src/parse-gram.c" break; -case 14: -#line 158 "parse-gram.y" -{ spec_name_prefix = yyvsp[0].string; } + + case 30: +/* Line 1742 of yacc.c */ +#line 366 "src/parse-gram.y" + { report_flag |= report_states; } +/* Line 1742 of yacc.c */ +#line 2465 "src/parse-gram.c" break; -case 15: -#line 159 "parse-gram.y" -{ no_lines_flag = 1; } + + case 31: +/* Line 1742 of yacc.c */ +#line 367 "src/parse-gram.y" + { yacc_flag = true; } +/* Line 1742 of yacc.c */ +#line 2473 "src/parse-gram.c" break; -case 16: -#line 160 "parse-gram.y" -{ spec_outfile = yyvsp[0].string; } + + case 33: +/* Line 1742 of yacc.c */ +#line 372 "src/parse-gram.y" + { add_param (current_param, (yyvsp[0].code), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2481 "src/parse-gram.c" break; -case 17: -#line 161 "parse-gram.y" -{ pure_parser = 1; } + + case 34: +/* Line 1742 of yacc.c */ +#line 373 "src/parse-gram.y" + { add_param (current_param, (yyvsp[0].code), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2489 "src/parse-gram.c" break; -case 18: -#line 162 "parse-gram.y" -{ skeleton = yyvsp[0].string; } + + case 37: +/* Line 1742 of yacc.c */ +#line 385 "src/parse-gram.y" + { + grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0])); + } +/* Line 1742 of yacc.c */ +#line 2499 "src/parse-gram.c" break; -case 19: -#line 163 "parse-gram.y" -{ token_table_flag = 1; } + + case 38: +/* Line 1742 of yacc.c */ +#line 389 "src/parse-gram.y" + { + symbol_list *list; + for (list = (yyvsp[0].list); list; list = list->next) + symbol_list_destructor_set (list, (yyvsp[-1].code), (yylsp[-1])); + symbol_list_free ((yyvsp[0].list)); + } +/* Line 1742 of yacc.c */ +#line 2512 "src/parse-gram.c" break; -case 20: -#line 164 "parse-gram.y" -{ report_flag = 1; } + + case 39: +/* Line 1742 of yacc.c */ +#line 396 "src/parse-gram.y" + { + symbol_list *list; + for (list = (yyvsp[0].list); list; list = list->next) + symbol_list_printer_set (list, (yyvsp[-1].code), (yylsp[-1])); + symbol_list_free ((yyvsp[0].list)); + } +/* Line 1742 of yacc.c */ +#line 2525 "src/parse-gram.c" break; -case 21: -#line 165 "parse-gram.y" -{ yacc_flag = 1; } + + case 40: +/* Line 1742 of yacc.c */ +#line 403 "src/parse-gram.y" + { + default_prec = true; + } +/* Line 1742 of yacc.c */ +#line 2535 "src/parse-gram.c" break; -case 23: -#line 170 "parse-gram.y" -{ current_class = nterm_sym; } + + case 41: +/* Line 1742 of yacc.c */ +#line 407 "src/parse-gram.y" + { + default_prec = false; + } +/* Line 1742 of yacc.c */ +#line 2545 "src/parse-gram.c" break; -case 24: -#line 171 "parse-gram.y" -{ - current_class = unknown_sym; - current_type = NULL; + + case 42: +/* Line 1742 of yacc.c */ +#line 411 "src/parse-gram.y" + { + /* Do not invoke muscle_percent_code_grow here since it invokes + muscle_user_name_list_grow. */ + muscle_code_grow ("percent_code()", (yyvsp[0].chars), (yylsp[0])); + code_scanner_last_string_free (); } +/* Line 1742 of yacc.c */ +#line 2558 "src/parse-gram.c" break; -case 25: -#line 176 "parse-gram.y" -{ - grammar_start_symbol_set (yyvsp[0].symbol); + + case 43: +/* Line 1742 of yacc.c */ +#line 418 "src/parse-gram.y" + { + muscle_percent_code_grow ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars), (yylsp[0])); + code_scanner_last_string_free (); } +/* Line 1742 of yacc.c */ +#line 2569 "src/parse-gram.c" break; -case 26: -#line 179 "parse-gram.y" -{ current_class = token_sym; } + + case 44: +/* Line 1742 of yacc.c */ +#line 432 "src/parse-gram.y" + {} +/* Line 1742 of yacc.c */ +#line 2577 "src/parse-gram.c" break; -case 27: -#line 180 "parse-gram.y" -{ + + case 45: +/* Line 1742 of yacc.c */ +#line 433 "src/parse-gram.y" + { muscle_code_grow ("union_name", (yyvsp[0].uniqstr), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2585 "src/parse-gram.c" + break; + + case 46: +/* Line 1742 of yacc.c */ +#line 438 "src/parse-gram.y" + { + union_seen = true; + muscle_code_grow ("stype", (yyvsp[0].chars), (yylsp[0])); + code_scanner_last_string_free (); + } +/* Line 1742 of yacc.c */ +#line 2597 "src/parse-gram.c" + break; + + case 47: +/* Line 1742 of yacc.c */ +#line 449 "src/parse-gram.y" + { current_class = nterm_sym; } +/* Line 1742 of yacc.c */ +#line 2605 "src/parse-gram.c" + break; + + case 48: +/* Line 1742 of yacc.c */ +#line 450 "src/parse-gram.y" + { current_class = unknown_sym; current_type = NULL; } +/* Line 1742 of yacc.c */ +#line 2616 "src/parse-gram.c" break; -case 28: -#line 184 "parse-gram.y" -{current_type = yyvsp[0].string; } + + case 49: +/* Line 1742 of yacc.c */ +#line 454 "src/parse-gram.y" + { current_class = token_sym; } +/* Line 1742 of yacc.c */ +#line 2624 "src/parse-gram.c" break; -case 29: -#line 185 "parse-gram.y" -{ + + case 50: +/* Line 1742 of yacc.c */ +#line 455 "src/parse-gram.y" + { + current_class = unknown_sym; current_type = NULL; } +/* Line 1742 of yacc.c */ +#line 2635 "src/parse-gram.c" break; -case 30: -#line 189 "parse-gram.y" -{ - typed = 1; - MUSCLE_INSERT_INT ("stype_line", yylsp[-1].first_line); - muscle_insert ("stype", yyvsp[-1].string); + + case 51: +/* Line 1742 of yacc.c */ +#line 460 "src/parse-gram.y" + { + symbol_list *list; + tag_seen = true; + for (list = (yyvsp[0].list); list; list = list->next) + symbol_type_set (list->content.sym, (yyvsp[-1].uniqstr), (yylsp[-1])); + symbol_list_free ((yyvsp[0].list)); } +/* Line 1742 of yacc.c */ +#line 2649 "src/parse-gram.c" break; -case 31: -#line 198 "parse-gram.y" -{ current_assoc = yyvsp[-1].assoc; ++current_prec; } + + case 52: +/* Line 1742 of yacc.c */ +#line 471 "src/parse-gram.y" + { + symbol_list *list; + ++current_prec; + for (list = (yyvsp[0].list); list; list = list->next) + { + symbol_type_set (list->content.sym, current_type, (yylsp[-1])); + symbol_precedence_set (list->content.sym, current_prec, (yyvsp[-2].assoc), (yylsp[-2])); + } + symbol_list_free ((yyvsp[0].list)); + current_type = NULL; + } +/* Line 1742 of yacc.c */ +#line 2667 "src/parse-gram.c" break; -case 32: -#line 200 "parse-gram.y" -{ current_assoc = non_assoc; current_type = NULL; } + + case 53: +/* Line 1742 of yacc.c */ +#line 485 "src/parse-gram.y" + { (yyval.assoc) = left_assoc; } +/* Line 1742 of yacc.c */ +#line 2675 "src/parse-gram.c" break; -case 33: -#line 204 "parse-gram.y" -{ yyval.assoc = left_assoc; } + + case 54: +/* Line 1742 of yacc.c */ +#line 486 "src/parse-gram.y" + { (yyval.assoc) = right_assoc; } +/* Line 1742 of yacc.c */ +#line 2683 "src/parse-gram.c" break; -case 34: -#line 205 "parse-gram.y" -{ yyval.assoc = right_assoc; } + + case 55: +/* Line 1742 of yacc.c */ +#line 487 "src/parse-gram.y" + { (yyval.assoc) = non_assoc; } +/* Line 1742 of yacc.c */ +#line 2691 "src/parse-gram.c" break; -case 35: -#line 206 "parse-gram.y" -{ yyval.assoc = non_assoc; } + + case 56: +/* Line 1742 of yacc.c */ +#line 488 "src/parse-gram.y" + { (yyval.assoc) = precedence_assoc; } +/* Line 1742 of yacc.c */ +#line 2699 "src/parse-gram.c" break; -case 36: -#line 210 "parse-gram.y" -{ current_type = NULL;} + + case 57: +/* Line 1742 of yacc.c */ +#line 492 "src/parse-gram.y" + { current_type = NULL; } +/* Line 1742 of yacc.c */ +#line 2707 "src/parse-gram.c" break; -case 37: -#line 211 "parse-gram.y" -{ current_type = yyvsp[0].string; } + + case 58: +/* Line 1742 of yacc.c */ +#line 493 "src/parse-gram.y" + { current_type = (yyvsp[0].uniqstr); tag_seen = true; } +/* Line 1742 of yacc.c */ +#line 2715 "src/parse-gram.c" break; -case 38: -#line 216 "parse-gram.y" -{ symbol_type_set (yyvsp[0].symbol, current_type); } + + case 59: +/* Line 1742 of yacc.c */ +#line 499 "src/parse-gram.y" + { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2723 "src/parse-gram.c" break; -case 39: -#line 217 "parse-gram.y" -{ symbol_type_set (yyvsp[0].symbol, current_type); } + + case 60: +/* Line 1742 of yacc.c */ +#line 501 "src/parse-gram.y" + { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); } +/* Line 1742 of yacc.c */ +#line 2731 "src/parse-gram.c" break; -case 40: -#line 223 "parse-gram.y" -{ - symbol_type_set (yyvsp[0].symbol, current_type); - symbol_precedence_set (yyvsp[0].symbol, current_prec, current_assoc); - } + + case 61: +/* Line 1742 of yacc.c */ +#line 505 "src/parse-gram.y" + { (yyval.symbol) = (yyvsp[0].symbol); } +/* Line 1742 of yacc.c */ +#line 2739 "src/parse-gram.c" break; -case 41: -#line 228 "parse-gram.y" -{ - symbol_type_set (yyvsp[0].symbol, current_type); - symbol_precedence_set (yyvsp[0].symbol, current_prec, current_assoc); - } + + case 62: +/* Line 1742 of yacc.c */ +#line 506 "src/parse-gram.y" + { (yyval.symbol) = (yyvsp[-1].symbol); symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2747 "src/parse-gram.c" break; -case 42: -#line 238 "parse-gram.y" -{ - current_type = yyvsp[0].string; + + case 63: +/* Line 1742 of yacc.c */ +#line 512 "src/parse-gram.y" + { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2755 "src/parse-gram.c" + break; + + case 64: +/* Line 1742 of yacc.c */ +#line 514 "src/parse-gram.y" + { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); } +/* Line 1742 of yacc.c */ +#line 2763 "src/parse-gram.c" + break; + + case 65: +/* Line 1742 of yacc.c */ +#line 518 "src/parse-gram.y" + { (yyval.list) = (yyvsp[0].list); } +/* Line 1742 of yacc.c */ +#line 2771 "src/parse-gram.c" + break; + + case 66: +/* Line 1742 of yacc.c */ +#line 519 "src/parse-gram.y" + { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].list)); } +/* Line 1742 of yacc.c */ +#line 2779 "src/parse-gram.c" + break; + + case 67: +/* Line 1742 of yacc.c */ +#line 523 "src/parse-gram.y" + { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2787 "src/parse-gram.c" + break; + + case 68: +/* Line 1742 of yacc.c */ +#line 524 "src/parse-gram.y" + { (yyval.list) = symbol_list_type_new ((yyvsp[0].uniqstr), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2795 "src/parse-gram.c" + break; + + case 69: +/* Line 1742 of yacc.c */ +#line 525 "src/parse-gram.y" + { (yyval.list) = symbol_list_default_tagged_new ((yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2803 "src/parse-gram.c" + break; + + case 70: +/* Line 1742 of yacc.c */ +#line 526 "src/parse-gram.y" + { (yyval.list) = symbol_list_default_tagless_new ((yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2811 "src/parse-gram.c" + break; + + case 71: +/* Line 1742 of yacc.c */ +#line 532 "src/parse-gram.y" + { + current_type = (yyvsp[0].uniqstr); + tag_seen = true; } +/* Line 1742 of yacc.c */ +#line 2822 "src/parse-gram.c" break; -case 43: -#line 242 "parse-gram.y" -{ - symbol_class_set (yyvsp[0].symbol, current_class); - symbol_type_set (yyvsp[0].symbol, current_type); + + case 72: +/* Line 1742 of yacc.c */ +#line 537 "src/parse-gram.y" + { + symbol_class_set ((yyvsp[0].symbol), current_class, (yylsp[0]), true); + symbol_type_set ((yyvsp[0].symbol), current_type, (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2833 "src/parse-gram.c" break; -case 44: -#line 247 "parse-gram.y" -{ - symbol_class_set (yyvsp[-1].symbol, current_class); - symbol_type_set (yyvsp[-1].symbol, current_type); - symbol_user_token_number_set (yyvsp[-1].symbol, yyvsp[0].integer); + + case 73: +/* Line 1742 of yacc.c */ +#line 542 "src/parse-gram.y" + { + symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]), true); + symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1])); + symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2845 "src/parse-gram.c" break; -case 45: -#line 253 "parse-gram.y" -{ - symbol_class_set (yyvsp[-1].symbol, current_class); - symbol_type_set (yyvsp[-1].symbol, current_type); - symbol_make_alias (yyvsp[-1].symbol, yyvsp[0].symbol); + + case 74: +/* Line 1742 of yacc.c */ +#line 548 "src/parse-gram.y" + { + symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]), true); + symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1])); + symbol_make_alias ((yyvsp[-1].symbol), (yyvsp[0].symbol), (yyloc)); } +/* Line 1742 of yacc.c */ +#line 2857 "src/parse-gram.c" break; -case 46: -#line 259 "parse-gram.y" -{ - symbol_class_set (yyvsp[-2].symbol, current_class); - symbol_type_set (yyvsp[-2].symbol, current_type); - symbol_user_token_number_set (yyvsp[-2].symbol, yyvsp[-1].integer); - symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol); + + case 75: +/* Line 1742 of yacc.c */ +#line 554 "src/parse-gram.y" + { + symbol_class_set ((yyvsp[-2].symbol), current_class, (yylsp[-2]), true); + 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)); + } +/* Line 1742 of yacc.c */ +#line 2870 "src/parse-gram.c" + break; + + case 82: +/* Line 1742 of yacc.c */ +#line 584 "src/parse-gram.y" + { + yyerrok; } +/* Line 1742 of yacc.c */ +#line 2880 "src/parse-gram.c" break; -case 47: -#line 270 "parse-gram.y" -{;} + + case 83: +/* Line 1742 of yacc.c */ +#line 590 "src/parse-gram.y" + { current_lhs ((yyvsp[-1].symbol), (yylsp[-1]), (yyvsp[0].named_ref)); } +/* Line 1742 of yacc.c */ +#line 2888 "src/parse-gram.c" break; -case 48: -#line 272 "parse-gram.y" -{;} + + case 84: +/* Line 1742 of yacc.c */ +#line 591 "src/parse-gram.y" + { + /* Free the current lhs. */ + current_lhs (0, (yylsp[-3]), 0); + } +/* Line 1742 of yacc.c */ +#line 2899 "src/parse-gram.c" break; -case 51: -#line 281 "parse-gram.y" -{ current_lhs = yyvsp[-1].symbol; } + + case 85: +/* Line 1742 of yacc.c */ +#line 598 "src/parse-gram.y" + { grammar_current_rule_end ((yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2907 "src/parse-gram.c" break; -case 52: -#line 282 "parse-gram.y" -{;} + + case 86: +/* Line 1742 of yacc.c */ +#line 599 "src/parse-gram.y" + { grammar_current_rule_end ((yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2915 "src/parse-gram.c" break; -case 53: -#line 286 "parse-gram.y" -{ grammar_rule_end (); } + + case 88: +/* Line 1742 of yacc.c */ +#line 605 "src/parse-gram.y" + { grammar_current_rule_begin (current_lhs_symbol, current_lhs_location, + current_lhs_named_ref); } +/* Line 1742 of yacc.c */ +#line 2924 "src/parse-gram.c" break; -case 54: -#line 287 "parse-gram.y" -{ grammar_rule_end (); } + + case 89: +/* Line 1742 of yacc.c */ +#line 608 "src/parse-gram.y" + { grammar_current_rule_symbol_append ((yyvsp[-1].symbol), (yylsp[-1]), (yyvsp[0].named_ref)); } +/* Line 1742 of yacc.c */ +#line 2932 "src/parse-gram.c" break; -case 55: -#line 292 "parse-gram.y" -{ grammar_rule_begin (current_lhs); } + + case 90: +/* Line 1742 of yacc.c */ +#line 610 "src/parse-gram.y" + { grammar_current_rule_action_append ((yyvsp[-1].code), (yylsp[-1]), (yyvsp[0].named_ref), false); } +/* Line 1742 of yacc.c */ +#line 2940 "src/parse-gram.c" break; -case 56: -#line 294 "parse-gram.y" -{ grammar_current_rule_symbol_append (yyvsp[0].symbol); } + + case 91: +/* Line 1742 of yacc.c */ +#line 612 "src/parse-gram.y" + { grammar_current_rule_action_append ((yyvsp[0].code), (yylsp[0]), NULL, true); } +/* Line 1742 of yacc.c */ +#line 2948 "src/parse-gram.c" break; -case 57: -#line 296 "parse-gram.y" -{ grammar_current_rule_action_append (yyvsp[0].string, yylsp[0].first_line); } + + case 92: +/* Line 1742 of yacc.c */ +#line 614 "src/parse-gram.y" + { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2956 "src/parse-gram.c" break; -case 58: -#line 298 "parse-gram.y" -{ grammar_current_rule_prec_set (yyvsp[0].symbol); } + + case 93: +/* Line 1742 of yacc.c */ +#line 616 "src/parse-gram.y" + { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2964 "src/parse-gram.c" break; -case 59: -#line 302 "parse-gram.y" -{ yyval.symbol = yyvsp[0].symbol; } + + case 94: +/* Line 1742 of yacc.c */ +#line 618 "src/parse-gram.y" + { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2972 "src/parse-gram.c" break; -case 60: -#line 303 "parse-gram.y" -{ yyval.symbol = yyvsp[0].symbol; } + + case 95: +/* Line 1742 of yacc.c */ +#line 622 "src/parse-gram.y" + { (yyval.named_ref) = 0; } +/* Line 1742 of yacc.c */ +#line 2980 "src/parse-gram.c" break; -case 61: -#line 304 "parse-gram.y" -{ yyval.symbol = getsym (yyvsp[0].string); } + + case 96: +/* Line 1742 of yacc.c */ +#line 624 "src/parse-gram.y" + { (yyval.named_ref) = named_ref_new((yyvsp[0].uniqstr), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 2988 "src/parse-gram.c" break; -case 62: -#line 309 "parse-gram.y" -{ yyval.string = yyvsp[0].string; } + + case 98: +/* Line 1742 of yacc.c */ +#line 635 "src/parse-gram.y" + { (yyval.uniqstr) = uniqstr_new ((yyvsp[0].chars)); } +/* Line 1742 of yacc.c */ +#line 2996 "src/parse-gram.c" break; -case 63: -#line 315 "parse-gram.y" -{ - yyval.symbol = getsym (yyvsp[0].string); - symbol_class_set (yyval.symbol, token_sym); - } + + case 99: +/* Line 1742 of yacc.c */ +#line 640 "src/parse-gram.y" + { (yyval.chars) = ""; } +/* Line 1742 of yacc.c */ +#line 3004 "src/parse-gram.c" break; -case 64: -#line 324 "parse-gram.y" -{ - yyval.string = yyvsp[0].string + 1; - yyval.string[strlen (yyval.string) - 1] = '\0'; - } + + case 100: +/* Line 1742 of yacc.c */ +#line 641 "src/parse-gram.y" + { (yyval.chars) = (yyvsp[0].uniqstr); } +/* Line 1742 of yacc.c */ +#line 3012 "src/parse-gram.c" break; -case 65: -#line 332 "parse-gram.y" -{ - yyval.string = xstrdup (""); + + case 102: +/* Line 1742 of yacc.c */ +#line 652 "src/parse-gram.y" + { + code_props plain_code; + (yyvsp[0].code)[strlen ((yyvsp[0].code)) - 1] = '\n'; + code_props_plain_init (&plain_code, (yyvsp[0].code)+1, (yylsp[0])); + code_props_translate_code (&plain_code); + gram_scanner_last_string_free (); + (yyval.chars) = plain_code.code; } +/* Line 1742 of yacc.c */ +#line 3027 "src/parse-gram.c" break; -case 66: -#line 336 "parse-gram.y" -{ - yyval.string = yyvsp[0].string; + + case 103: +/* Line 1742 of yacc.c */ +#line 672 "src/parse-gram.y" + { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 3035 "src/parse-gram.c" + break; + + case 104: +/* Line 1742 of yacc.c */ +#line 674 "src/parse-gram.y" + { + (yyval.symbol) = symbol_get (char_name ((yyvsp[0].character)), (yylsp[0])); + symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]), false); + symbol_user_token_number_set ((yyval.symbol), (yyvsp[0].character), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 3047 "src/parse-gram.c" break; -} -#line 705 "/usr/share/bison/bison.simple" + case 105: +/* Line 1742 of yacc.c */ +#line 682 "src/parse-gram.y" + { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); } +/* Line 1742 of yacc.c */ +#line 3055 "src/parse-gram.c" + break; - - yyvsp -= yylen; - yyssp -= yylen; -#if YYLSP_NEEDED - yylsp -= yylen; -#endif + case 108: +/* Line 1742 of yacc.c */ +#line 694 "src/parse-gram.y" + { + (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[0].chars)), (yylsp[0])); + symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]), false); + } +/* Line 1742 of yacc.c */ +#line 3066 "src/parse-gram.c" + break; -#if YYDEBUG - if (yydebug) + case 110: +/* Line 1742 of yacc.c */ +#line 703 "src/parse-gram.y" { - short *yyssp1 = yyss - 1; - YYFPRINTF (stderr, "state stack now"); - while (yyssp1 != yyssp) - YYFPRINTF (stderr, " %d", *++yyssp1); - YYFPRINTF (stderr, "\n"); + code_props plain_code; + code_props_plain_init (&plain_code, (yyvsp[0].chars), (yylsp[0])); + code_props_translate_code (&plain_code); + gram_scanner_last_string_free (); + muscle_code_grow ("epilogue", plain_code.code, (yylsp[0])); + code_scanner_last_string_free (); } -#endif +/* Line 1742 of yacc.c */ +#line 3081 "src/parse-gram.c" + break; + + +/* Line 1742 of yacc.c */ +#line 3086 "src/parse-gram.c" + default: break; + } + if (yychar_backup != yychar) + YY_LAC_DISCARD ("yychar change"); + } + /* User semantic actions sometimes alter yychar, and that requires + that yytoken be updated with the new translation. We take the + approach of translating immediately before every use of yytoken. + One alternative is translating here after every semantic action, + but that translation would be missed if the semantic action invokes + YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or + if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an + incorrect destructor might then be invoked immediately. In the + case of YYERROR or YYBACKUP, subsequent parser actions might lead + to an incorrect destructor call or verbose syntax error message + before the lookahead is translated. */ + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); *++yyvsp = yyval; -#if YYLSP_NEEDED *++yylsp = yyloc; -#endif /* Now `shift' the result of the reduction. Determine what state that goes to, based on the state we popped back to and the rule @@ -1377,11 +3114,11 @@ case 66: yyn = yyr1[yyn]; - yystate = yypgoto[yyn - YYNTBASE] + *yyssp; - if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else - yystate = yydefgoto[yyn - YYNTBASE]; + yystate = yydefgoto[yyn - YYNTOKENS]; goto yynewstate; @@ -1390,159 +3127,146 @@ case 66: | yyerrlab -- here on detecting error | `------------------------------------*/ yyerrlab: + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); + /* If not already recovering from an error, report this error. */ if (!yyerrstatus) { ++yynerrs; - -#ifdef YYERROR_VERBOSE - yyn = yypact[yystate]; - - if (yyn > YYFLAG && yyn < YYLAST) - { - YYSIZE_T yysize = 0; - 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) - yysize += yystrlen (yytname[yyx]) + 15, yycount++; - yysize += yystrlen ("parse error, unexpected ") + 1; - yysize += yystrlen (yytname[YYTRANSLATE (yychar)]); - yymsg = (char *) YYSTACK_ALLOC (yysize); - if (yymsg != 0) - { - char *yyp = yystpcpy (yymsg, "parse error, unexpected "); - yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]); - - if (yycount < 5) - { - yycount = 0; - for (yyx = yyn < 0 ? -yyn : 0; - yyx < (int) (sizeof (yytname) / sizeof (char *)); - yyx++) - if (yycheck[yyx + yyn] == yyx) - { - const char *yyq = ! yycount ? ", expecting " : " or "; - yyp = yystpcpy (yyp, yyq); - yyp = yystpcpy (yyp, yytname[yyx]); - yycount++; - } - } - yyerror (yymsg); - YYSTACK_FREE (yymsg); - } - else - yyerror ("parse error; also virtual memory exhausted"); - } - else -#endif /* defined (YYERROR_VERBOSE) */ - yyerror ("parse error"); +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else +# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \ + yyesa, &yyes, &yyes_capacity, \ + yyssp, yytoken) + { + char const *yymsgp = YY_("syntax error"); + int yysyntax_error_status; + if (yychar != YYEMPTY) + YY_LAC_ESTABLISH; + yysyntax_error_status = YYSYNTAX_ERROR; + if (yysyntax_error_status == 0) + yymsgp = yymsg; + else if (yysyntax_error_status == 1) + { + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc); + if (!yymsg) + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + yysyntax_error_status = 2; + } + else + { + yysyntax_error_status = YYSYNTAX_ERROR; + yymsgp = yymsg; + } + } + yyerror (yymsgp); + if (yysyntax_error_status == 2) + goto yyexhaustedlab; + } +# undef YYSYNTAX_ERROR +#endif } - goto yyerrlab1; + yyerror_range[1] = yylloc; -/*--------------------------------------------------. -| yyerrlab1 -- error raised explicitly by an action | -`--------------------------------------------------*/ -yyerrlab1: if (yyerrstatus == 3) { /* If just tried and failed to reuse lookahead token after an - error, discard it. */ - - /* return failure if at end of input */ - if (yychar == YYEOF) - YYABORT; - YYDPRINTF ((stderr, "Discarding token %d (%s).\n", - yychar, yytname[yychar1])); - yychar = YYEMPTY; + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval, &yylloc); + yychar = YYEMPTY; + } } /* Else will try to reuse lookahead token after shifting the error token. */ + goto yyerrlab1; - yyerrstatus = 3; /* Each real token shifted decrements this */ - - goto yyerrhandle; - - -/*-------------------------------------------------------------------. -| yyerrdefault -- current state does not do anything special for the | -| error token. | -`-------------------------------------------------------------------*/ -yyerrdefault: -#if 0 - /* This is wrong; only states that explicitly want error tokens - should shift them. */ - /* If its default is to accept any token, ok. Otherwise pop it. */ - yyn = yydefact[yystate]; - if (yyn) - goto yydefault; -#endif +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + yyerror_range[1] = 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; + goto yyerrlab1; -/*---------------------------------------------------------------. -| yyerrpop -- pop the current state because it cannot handle the | -| error token | -`---------------------------------------------------------------*/ -yyerrpop: - if (yyssp == yyss) - YYABORT; - yyvsp--; - yystate = *--yyssp; -#if YYLSP_NEEDED - yylsp--; -#endif +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ -#if YYDEBUG - if (yydebug) + for (;;) { - short *yyssp1 = yyss - 1; - YYFPRINTF (stderr, "Error: state stack now"); - while (yyssp1 != yyssp) - YYFPRINTF (stderr, " %d", *++yyssp1); - YYFPRINTF (stderr, "\n"); + yyn = yypact[yystate]; + if (!yypact_value_is_default (yyn)) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + yyerror_range[1] = *yylsp; + yydestruct ("Error: popping", + yystos[yystate], yyvsp, yylsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); } -#endif - -/*--------------. -| yyerrhandle. | -`--------------*/ -yyerrhandle: - yyn = yypact[yystate]; - if (yyn == YYFLAG) - goto yyerrdefault; - - yyn += YYTERROR; - if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR) - goto yyerrdefault; - yyn = yytable[yyn]; - if (yyn < 0) - { - if (yyn == YYFLAG) - goto yyerrpop; - yyn = -yyn; - goto yyreduce; - } - else if (yyn == 0) - goto yyerrpop; + /* If the stack popping above didn't lose the initial context for the + current lookahead token, the shift below will for sure. */ + YY_LAC_DISCARD ("error recovery"); - if (yyn == YYFINAL) - YYACCEPT; + *++yyvsp = yylval; - YYDPRINTF ((stderr, "Shifting error token, ")); + yyerror_range[2] = yylloc; + /* Using YYLLOC is tempting, but would change the location of + the lookahead. YYLOC is available though. */ + YYLLOC_DEFAULT (yyloc, yyerror_range, 2); + *++yylsp = yyloc; - *++yyvsp = yylval; -#if YYLSP_NEEDED - *++yylsp = yylloc; -#endif + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); yystate = yyn; goto yynewstate; @@ -1562,68 +3286,170 @@ yyabortlab: yyresult = 1; goto yyreturn; -/*---------------------------------------------. -| yyoverflowab -- parser overflow comes here. | -`---------------------------------------------*/ -yyoverflowlab: - yyerror ("parser stack overflow"); +#if 1 +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); yyresult = 2; /* Fall through. */ +#endif yyreturn: + if (yychar != YYEMPTY) + { + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = YYTRANSLATE (yychar); + 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 - return yyresult; + if (yyes != yyesa) + YYSTACK_FREE (yyes); +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + +/* Line 2002 of yacc.c */ +#line 713 "src/parse-gram.y" + + + +/* Return the location of the left-hand side of a rule whose + right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in + the right-hand side, and return an empty location equal to the end + boundary of RHS[0] if the right-hand side is empty. */ + +static YYLTYPE +lloc_default (YYLTYPE const *rhs, int n) +{ + int i; + YYLTYPE loc; + + /* SGI MIPSpro 7.4.1m miscompiles "loc.start = loc.end = rhs[n].end;". + The bug is fixed in 7.4.2m, but play it safe for now. */ + loc.start = rhs[n].end; + loc.end = rhs[n].end; + + /* Ignore empty nonterminals the start of the right-hand side. + Do not bother to ignore them at the end of the right-hand side, + since empty nonterminals have the same end as their predecessors. */ + for (i = 1; i <= n; i++) + if (! equal_boundaries (rhs[i].start, rhs[i].end)) + { + loc.start = rhs[i].start; + break; + } + + return loc; +} + + +static void +add_param (param_type type, char *decl, location loc) +{ + static char const alphanum[26 + 26 + 1 + 10] = + "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "_" + "0123456789"; + + char const *name_start = NULL; + { + char *p; + /* 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 '}', 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")); + else + { + char *name; + size_t name_len; + + for (name_len = 1; + memchr (alphanum, name_start[name_len], sizeof alphanum); + name_len++) + continue; + + name = xmalloc (name_len + 1); + memcpy (name, name_start, name_len); + name[name_len] = '\0'; + if (type & param_lex) + muscle_pair_list_grow ("lex_param", decl, name); + if (type & param_parse) + muscle_pair_list_grow ("parse_param", decl, name); + free (name); + } + + gram_scanner_last_string_free (); } -#line 345 "parse-gram.y" -/*------------------------------------------------------------------. -| When debugging the parser, display tokens' locations and values. | -`------------------------------------------------------------------*/ static void -yyprint (FILE *file, - const location_t *loc, int type, const yystype *value) +version_check (location const *loc, char const *version) { - fputs (" (", file); - LOCATION_PRINT (file, *loc); - fputs (")", file); - switch (type) + if (strverscmp (version, PACKAGE_VERSION) > 0) { - case CHARACTER: - fprintf (file, " = '%s'", value->string); - break; - - case ID: - fprintf (file, " = %s", value->symbol->tag); - break; - - case INT: - fprintf (file, " = %d", value->integer); - break; - - case STRING: - fprintf (file, " = \"%s\"", value->string); - break; - - case TYPE: - fprintf (file, " = <%s>", value->string); - break; - - case BRACED_CODE: - case PROLOGUE: - case EPILOGUE: - fprintf (file, " = {{ %s }}", value->string); - break; + complain_at (*loc, "require bison %s, but have %s", + version, PACKAGE_VERSION); + exit (EX_MISMATCH); } } -void -gram_error (gram_control_t *control ATTRIBUTE_UNUSED, - location_t *yylloc, const char *msg) +static void +gram_error (location const *loc, char const *msg) +{ + complain_at (*loc, "%s", msg); +} + +char const * +token_name (int type) +{ + return yytname[YYTRANSLATE (type)]; +} + +static char const * +char_name (char c) { - LOCATION_PRINT (stderr, *yylloc); - fprintf (stderr, ": %s\n", msg); + if (c == '\'') + return "'\\''"; + else + { + char buf[4]; + buf[0] = '\''; buf[1] = c; buf[2] = '\''; buf[3] = '\0'; + return quotearg_style (escape_quoting_style, buf); + } }