X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/1921f1d7a44530a5196880d52ce83fea60da6255..75ae8299840bbd854fa2474d38402bbb933c6511:/src/parse-gram.c?ds=inline diff --git a/src/parse-gram.c b/src/parse-gram.c index 76a29d40..2cf9e86c 100644 --- a/src/parse-gram.c +++ b/src/parse-gram.c @@ -1,14 +1,13 @@ -/* A Bison parser, made from parse-gram.y - by GNU bison 1.49b. */ +/* A Bison parser, made by GNU Bison 2.7.1127-02879-dirty. */ -/* Skeleton output parser for Bison, - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software - Foundation, Inc. +/* Bison implementation for Yacc-like parsers in C - This program is free software; you can redistribute it and/or modify + Copyright (C) 1984, 1989-1990, 2000-2013 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 2, or (at your option) - any later version. + 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 @@ -16,19 +15,23 @@ 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. */ + 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. -/* 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. */ + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ -/* 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 original so - called ``semantic'' parser. */ +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ /* All symbols defined below should begin with yy or YY, to avoid infringing on user name space. This should be done even for local @@ -38,326 +41,510 @@ USER NAME SPACE" below. */ /* Identify Bison output. */ -#define YYBISON 1 +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.7.1127-02879-dirty" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" /* Pure parsers. */ -#define YYPURE 1 - -/* Using locations. */ -#define YYLSP_NEEDED 1 - -/* If NAME_PREFIX is specified substitute the variables and functions - 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 -#if YYLSP_NEEDED -# define yylloc gram_lloc -#endif +#define YYPURE 2 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Substitute the type names. */ +#define YYSTYPE GRAM_STYPE +#define YYLTYPE GRAM_LTYPE +/* Substitute the variable and function names. */ +#define yyparse gram_parse +#define yylex gram_lex +#define yyerror gram_error +#define yydebug gram_debug +#define yynerrs gram_nerrs /* Copy the first part of user declarations. */ -#line 31 "parse-gram.y" +#line 1 "src/parse-gram.y" /* yacc.c:356 */ +/* Bison Grammar Parser -*- C -*- + + Copyright (C) 2002-2013 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 "c-ctype.h" +#include "complain.h" +#include "conflicts.h" #include "files.h" #include "getargs.h" -#include "output.h" #include "gram.h" +#include "named-ref.h" +#include "quotearg.h" #include "reader.h" -#include "conflicts.h" +#include "symlist.h" +#include "symtab.h" +#include "scan-gram.h" +#include "scan-code.h" +#include "xmemdup0.h" + +#define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N) +static YYLTYPE lloc_default (YYLTYPE const *, int); + +#define YY_LOCATION_PRINT(File, Loc) \ + location_print (Loc, File) + +static void version_check (location const *loc, char const *version); + +static void gram_error (location const *, char const *); + +/* A string that describes a char (e.g., 'a' -> "'a'"). */ +static char const *char_name (char); -/* Produce verbose parse errors. */ -#define YYERROR_VERBOSE 1 - -/* 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) - -/* Request detailed parse error messages, and pass them to - GRAM_ERROR. */ -#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; - - -/* Tokens. */ -#ifndef YYTOKENTYPE -# if defined (__STDC__) || defined (__cplusplus) - /* Put the tokens into the symbol table, so that GDB and other debuggers - know about them. */ - enum yytokentype { - GRAM_EOF = 0, - STRING = 258, - CHARACTER = 259, - INT = 260, - PERCENT_TOKEN = 261, - PERCENT_NTERM = 262, - PERCENT_TYPE = 263, - PERCENT_UNION = 264, - PERCENT_EXPECT = 265, - PERCENT_START = 266, - PERCENT_PREC = 267, - PERCENT_VERBOSE = 268, - PERCENT_ERROR_VERBOSE = 269, - PERCENT_OUTPUT = 270, - PERCENT_FILE_PREFIX = 271, - PERCENT_NAME_PREFIX = 272, - PERCENT_DEFINE = 273, - PERCENT_PURE_PARSER = 274, - PERCENT_DEFINES = 275, - PERCENT_YACC = 276, - PERCENT_DEBUG = 277, - PERCENT_LOCATIONS = 278, - PERCENT_NO_LINES = 279, - PERCENT_SKELETON = 280, - PERCENT_TOKEN_TABLE = 281, - TYPE = 282, - EQUAL = 283, - SEMICOLON = 284, - COLON = 285, - PIPE = 286, - ID = 287, - PERCENT_PERCENT = 288, - PROLOGUE = 289, - EPILOGUE = 290, - BRACED_CODE = 291, - PERCENT_LEFT = 292, - PERCENT_RIGHT = 293, - PERCENT_NONASSOC = 294 - }; +#line 125 "src/parse-gram.c" /* yacc.c:356 */ + +# ifndef YY_NULL +# if defined __cplusplus && 201103L <= __cplusplus +# define YY_NULL nullptr +# else +# define YY_NULL 0 +# endif # endif - /* POSIX requires `int' for tokens in interfaces. */ -# define YYTOKENTYPE int -#endif /* !YYTOKENTYPE */ -#define GRAM_EOF 0 -#define STRING 258 -#define CHARACTER 259 -#define INT 260 -#define PERCENT_TOKEN 261 -#define PERCENT_NTERM 262 -#define PERCENT_TYPE 263 -#define PERCENT_UNION 264 -#define PERCENT_EXPECT 265 -#define PERCENT_START 266 -#define PERCENT_PREC 267 -#define PERCENT_VERBOSE 268 -#define PERCENT_ERROR_VERBOSE 269 -#define PERCENT_OUTPUT 270 -#define PERCENT_FILE_PREFIX 271 -#define PERCENT_NAME_PREFIX 272 -#define PERCENT_DEFINE 273 -#define PERCENT_PURE_PARSER 274 -#define PERCENT_DEFINES 275 -#define PERCENT_YACC 276 -#define PERCENT_DEBUG 277 -#define PERCENT_LOCATIONS 278 -#define PERCENT_NO_LINES 279 -#define PERCENT_SKELETON 280 -#define PERCENT_TOKEN_TABLE 281 -#define TYPE 282 -#define EQUAL 283 -#define SEMICOLON 284 -#define COLON 285 -#define PIPE 286 -#define ID 287 -#define PERCENT_PERCENT 288 -#define PROLOGUE 289 -#define EPILOGUE 290 -#define BRACED_CODE 291 -#define PERCENT_LEFT 292 -#define PERCENT_RIGHT 293 -#define PERCENT_NONASSOC 294 - - - - -/* 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 0 +# define YYERROR_VERBOSE 1 #endif -#ifndef YYSTYPE -#line 74 "parse-gram.y" -typedef union { - symbol_t *symbol; - int integer; - char *string; - associativity assoc; -} yystype; -/* Line 199 of /home/akim/src/bison/data/bison.simple. */ -#line 219 "parse-gram.c" -# define YYSTYPE yystype -# define YYSTYPE_IS_TRIVIAL 1 +/* In a future release of Bison, this section will be replaced + by #include "src/parse-gram.h". */ +#ifndef YY_GRAM_SRC_PARSE_GRAM_H_INCLUDED +# define YY_GRAM_SRC_PARSE_GRAM_H_INCLUDED +/* Debug traces. */ +#ifndef GRAM_DEBUG +# if defined YYDEBUG +#if YYDEBUG +# define GRAM_DEBUG 1 +# else +# define GRAM_DEBUG 0 +# endif +# else /* ! defined YYDEBUG */ +# define GRAM_DEBUG 1 +# endif /* ! defined YYDEBUG */ +#endif /* ! defined GRAM_DEBUG */ +#if GRAM_DEBUG +extern int gram_debug; +#endif +/* "%code requires" blocks. */ +#line 218 "src/parse-gram.y" /* yacc.c:372 */ + + typedef enum + { + param_none = 0, + param_lex = 1 << 0, + param_parse = 1 << 1, + param_both = param_lex | param_parse + } param_type; + +#line 649 "src/parse-gram.y" /* yacc.c:372 */ +#include "muscle-tab.h" + +#line 176 "src/parse-gram.c" /* yacc.c:372 */ + +/* Token type. */ +#ifndef GRAM_TOKENTYPE +# define GRAM_TOKENTYPE + enum gram_tokentype + { + GRAM_EOF = 0, + STRING = 258, + PERCENT_TOKEN = 259, + PERCENT_NTERM = 260, + PERCENT_TYPE = 261, + PERCENT_DESTRUCTOR = 262, + PERCENT_PRINTER = 263, + PERCENT_LEFT = 264, + PERCENT_RIGHT = 265, + PERCENT_NONASSOC = 266, + PERCENT_PRECEDENCE = 267, + PERCENT_PREC = 268, + PERCENT_DPREC = 269, + PERCENT_MERGE = 270, + PERCENT_CODE = 271, + PERCENT_DEFAULT_PREC = 272, + PERCENT_DEFINE = 273, + PERCENT_DEFINES = 274, + PERCENT_ERROR_VERBOSE = 275, + PERCENT_EXPECT = 276, + PERCENT_EXPECT_RR = 277, + PERCENT_FLAG = 278, + PERCENT_FILE_PREFIX = 279, + PERCENT_GLR_PARSER = 280, + PERCENT_INITIAL_ACTION = 281, + PERCENT_LANGUAGE = 282, + PERCENT_NAME_PREFIX = 283, + PERCENT_NO_DEFAULT_PREC = 284, + PERCENT_NO_LINES = 285, + PERCENT_NONDETERMINISTIC_PARSER = 286, + PERCENT_OUTPUT = 287, + PERCENT_REQUIRE = 288, + PERCENT_SKELETON = 289, + PERCENT_START = 290, + PERCENT_TOKEN_TABLE = 291, + PERCENT_VERBOSE = 292, + PERCENT_YACC = 293, + BRACED_CODE = 294, + BRACED_PREDICATE = 295, + BRACKETED_ID = 296, + CHAR = 297, + EPILOGUE = 298, + EQUAL = 299, + ID = 300, + ID_COLON = 301, + PERCENT_PERCENT = 302, + PIPE = 303, + PROLOGUE = 304, + SEMICOLON = 305, + TAG = 306, + TAG_ANY = 307, + TAG_NONE = 308, + INT = 309, + PERCENT_PARAM = 310, + PERCENT_UNION = 311, + PERCENT_EMPTY = 312 + }; +#endif + +/* Value type. */ +#if ! defined GRAM_STYPE && ! defined GRAM_STYPE_IS_DECLARED +typedef union GRAM_STYPE GRAM_STYPE; +union GRAM_STYPE +{ +#line 170 "src/parse-gram.y" /* yacc.c:372 */ +unsigned char character; +#line 177 "src/parse-gram.y" /* yacc.c:372 */ + + char *code; + char const *chars; + +#line 188 "src/parse-gram.y" /* yacc.c:372 */ +uniqstr uniqstr; +#line 196 "src/parse-gram.y" /* yacc.c:372 */ +int integer; +#line 200 "src/parse-gram.y" /* yacc.c:372 */ +symbol *symbol; +#line 205 "src/parse-gram.y" /* yacc.c:372 */ +assoc assoc; +#line 208 "src/parse-gram.y" /* yacc.c:372 */ +symbol_list *list; +#line 211 "src/parse-gram.y" /* yacc.c:372 */ +named_ref *named_ref; +#line 238 "src/parse-gram.y" /* yacc.c:372 */ +param_type param; +#line 413 "src/parse-gram.y" /* yacc.c:372 */ +code_props_type code_type; +#line 651 "src/parse-gram.y" /* yacc.c:372 */ + + struct + { + char const *chars; + muscle_kind kind; + } value; + + +#line 279 "src/parse-gram.c" /* yacc.c:372 */ +}; +# define GRAM_STYPE_IS_TRIVIAL 1 +# define GRAM_STYPE_IS_DECLARED 1 #endif -#ifndef YYLTYPE -typedef struct yyltype +/* Location type. */ +#if ! defined GRAM_LTYPE && ! defined GRAM_LTYPE_IS_DECLARED +typedef struct GRAM_LTYPE GRAM_LTYPE; +struct GRAM_LTYPE { int first_line; int first_column; int last_line; int last_column; -} yyltype; -# define YYLTYPE yyltype -# define YYLTYPE_IS_TRIVIAL 1 +}; +# define GRAM_LTYPE_IS_DECLARED 1 +# define GRAM_LTYPE_IS_TRIVIAL 1 #endif + + +int gram_parse (void); + +#endif /* !YY_GRAM_SRC_PARSE_GRAM_H_INCLUDED */ + /* Copy the second part of user declarations. */ +#line 307 "src/parse-gram.c" /* yacc.c:375 */ +/* Unqualified %code blocks. */ +#line 53 "src/parse-gram.y" /* yacc.c:376 */ + + 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 228 "src/parse-gram.y" /* yacc.c:376 */ + + /** 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 353 "src/parse-gram.c" /* yacc.c:376 */ + +#ifdef short +# undef short +#endif -/* Line 219 of /home/akim/src/bison/data/bison.simple. */ -#line 240 "parse-gram.c" +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif -#if ! defined (yyoverflow) || YYERROR_VERBOSE +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#else +typedef signed char yytype_int8; +#endif -/* The parser invokes alloca or malloc; define the necessary symbols. */ +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif -# if YYSTACK_USE_ALLOCA -# define YYSTACK_ALLOC alloca +#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 +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t # 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 +# 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. */ +#ifdef __GNUC__ +# define YYUSE(E) ((void) (E)) +#else +# define YYUSE(E) /* empty */ +#endif + +#if 1 + +/* The parser invokes alloca or malloc; define the necessary symbols. */ # ifdef YYSTACK_ALLOC - /* Pacify GCC's `empty if-body' warning. */ + /* Pacify GCC's 'empty if-body' warning. */ # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif # else -# if defined (__STDC__) || defined (__cplusplus) +# 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 */ -# define YYSIZE_T size_t +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined EXIT_SUCCESS +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined EXIT_SUCCESS +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif # endif -# define YYSTACK_ALLOC malloc -# define YYSTACK_FREE free # endif -#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ +# define YYCOPY_NEEDED 1 +#endif -#if (! defined (yyoverflow) \ - && (! defined (__cplusplus) \ - || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined GRAM_LTYPE_IS_TRIVIAL && GRAM_LTYPE_IS_TRIVIAL \ + && defined GRAM_STYPE_IS_TRIVIAL && GRAM_STYPE_IS_TRIVIAL))) /* A type that is properly aligned for any stack member. */ union yyalloc { - short yyss; - YYSTYPE yyvs; -# if YYLSP_NEEDED - YYLTYPE yyls; -# endif + 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_MAX (sizeof (union yyalloc) - 1) +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) /* The size of an array large to enough to hold all stacks, each with N elements. */ -# 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) -# endif +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + + 2 * YYSTACK_GAP_MAXIMUM) -/* Copy COUNT objects from FROM to TO. The source and destination do - not overlap. */ -# ifndef YYCOPY -# if 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 +# define YYCOPY_NEEDED 1 /* 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); \ - } \ +# 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 (0) #endif -/* YYFINAL -- State number of the termination state. */ +#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 (0) +# endif +# endif +#endif /* !YYCOPY_NEEDED */ + +/* YYFINAL -- State number of the termination state. */ #define YYFINAL 3 -#define YYFLAG -32768 -#define YYLAST 91 - -/* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 40 -/* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 30 -/* YYNRULES -- Number of rules. */ -#define YYNRULES 72 -/* YYNRULES -- Number of states. */ -#define YYNSTATES 98 - -/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 165 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 58 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 38 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 111 +/* YYNSTATES -- Number of states. */ +#define YYNSTATES 145 + +/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned + by yylex, with out-of-bounds checking. */ #define YYUNDEFTOK 2 -#define YYMAXUTOK 294 +#define YYMAXUTOK 312 -#define YYTRANSLATE(X) \ - ((unsigned)(X) <= YYMAXUTOK ? yytranslate[X] : YYUNDEFTOK) +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) -/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ -static const unsigned char yytranslate[] = +/* 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, @@ -388,326 +575,636 @@ static const unsigned char yytranslate[] = 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 -}; - -#if YYDEBUG -/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in - YYRHS. */ -static const unsigned char yyprhs[] = -{ - 0, 0, 3, 4, 10, 11, 15, 17, 19, 21, - 25, 27, 29, 32, 36, 38, 42, 44, 48, 50, - 53, 55, 57, 59, 61, 63, 66, 69, 70, 74, - 75, 79, 80, 85, 86, 91, 93, 95, 97, 98, - 100, 102, 105, 107, 110, 112, 114, 117, 120, 124, - 126, 129, 131, 134, 136, 139, 140, 146, 148, 152, - 153, 156, 159, 163, 165, 167, 169, 171, 173, 175, - 176, 179, 180 -}; - -/* YYRHS -- A `-1'-separated list of the rules' RHS. */ -static const signed char yyrhs[] = -{ - 41, 0, -1, -1, 42, 43, 33, 58, 68, -1, - -1, 43, 44, 69, -1, 45, -1, 34, -1, 22, - -1, 18, 67, 67, -1, 20, -1, 14, -1, 10, - 5, -1, 16, 28, 67, -1, 23, -1, 17, 28, - 67, -1, 24, -1, 15, 28, 67, -1, 19, -1, - 25, 67, -1, 26, -1, 13, -1, 21, -1, 50, - -1, 46, -1, 11, 64, -1, 9, 36, -1, -1, - 7, 47, 57, -1, -1, 6, 48, 57, -1, -1, - 8, 27, 49, 54, -1, -1, 52, 53, 51, 55, - -1, 37, -1, 38, -1, 39, -1, -1, 27, -1, - 32, -1, 54, 32, -1, 64, -1, 55, 64, -1, - 27, -1, 32, -1, 32, 5, -1, 32, 66, -1, - 32, 5, 66, -1, 56, -1, 57, 56, -1, 59, - -1, 58, 59, -1, 60, -1, 45, 29, -1, -1, - 32, 30, 61, 62, 29, -1, 63, -1, 62, 31, - 63, -1, -1, 63, 64, -1, 63, 65, -1, 63, - 12, 64, -1, 32, -1, 66, -1, 4, -1, 36, - -1, 3, -1, 3, -1, -1, 33, 35, -1, -1, - 29, -1 + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57 }; -/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ -static const unsigned short yyrline[] = +#if GRAM_DEBUG + /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = { - 0, 131, 131, 131, 144, 146, 149, 151, 152, 153, - 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, - 164, 165, 166, 169, 171, 172, 176, 184, 184, 190, - 190, 195, 195, 201, 201, 211, 213, 214, 217, 219, - 223, 225, 229, 235, 243, 248, 253, 259, 265, 275, - 278, 287, 289, 295, 297, 300, 300, 305, 307, 310, - 313, 315, 317, 321, 323, 324, 327, 333, 342, 350, - 355, 361, 363 + 0, 261, 261, 270, 271, 275, 276, 286, 290, 295, + 296, 301, 307, 308, 309, 310, 315, 324, 325, 326, + 327, 328, 329, 329, 330, 331, 355, 356, 357, 358, + 362, 363, 372, 373, 374, 378, 390, 394, 398, 405, + 416, 417, 427, 428, 432, 444, 444, 449, 449, 454, + 465, 480, 481, 482, 483, 487, 488, 493, 495, 500, + 505, 515, 517, 522, 523, 527, 528, 532, 533, 534, + 539, 544, 549, 555, 561, 572, 573, 582, 583, 589, + 590, 591, 598, 598, 606, 607, 608, 613, 616, 618, + 620, 622, 624, 626, 628, 633, 634, 644, 645, 670, + 671, 672, 673, 682, 702, 704, 713, 718, 719, 724, + 732, 733 }; #endif -#if YYDEBUG || YYERROR_VERBOSE -/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. - First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +#if GRAM_DEBUG || YYERROR_VERBOSE || 1 +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { - "\"end of string\"", "error", "$undefined.", "STRING", "CHARACTER", "INT", - "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%union\"", "\"%expect\"", - "\"%start\"", "\"%prec\"", "\"%verbose\"", "\"%error-verbose\"", - "\"%output\"", "\"%file-prefix\"", "\"%name-prefix\"", "\"%define\"", - "\"%pure-parser\"", "\"%defines\"", "\"%yacc\"", "\"%debug\"", - "\"%locations\"", "\"%no-lines\"", "\"%skeleton\"", "\"%token-table\"", - "TYPE", "\"=\"", "\";\"", "\":\"", "\"|\"", "\"identifier\"", "\"%%\"", - "PROLOGUE", "EPILOGUE", "BRACED_CODE", "\"%left\"", "\"%right\"", - "\"%nonassoc\"", "$axiom", "input", "@1", "declarations", "declaration", - "grammar_declaration", "symbol_declaration", "@2", "@3", "@4", - "precedence_declaration", "@5", "precedence_declarator", "type.opt", - "nterms_to_type.1", "terms_to_prec.1", "symbol_def", "symbol_defs.1", - "grammar", "rules_or_grammar_declaration", "rules", "@6", "rhses.1", - "rhs", "symbol", "action", "string_as_id", "string_content", - "epilogue.opt", "semi_colon.opt", 0 + "\"end of file\"", "error", "$undefined", "\"string\"", "\"%token\"", + "\"%nterm\"", "\"%type\"", "\"%destructor\"", "\"%printer\"", + "\"%left\"", "\"%right\"", "\"%nonassoc\"", "\"%precedence\"", + "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%code\"", + "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"", + "\"%expect\"", "\"%expect-rr\"", "\"%\"", "\"%file-prefix\"", + "\"%glr-parser\"", "\"%initial-action\"", "\"%language\"", + "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"", + "\"%nondeterministic-parser\"", "\"%output\"", "\"%require\"", + "\"%skeleton\"", "\"%start\"", "\"%token-table\"", "\"%verbose\"", + "\"%yacc\"", "\"{...}\"", "\"%?{...}\"", "\"[identifier]\"", "\"char\"", + "\"epilogue\"", "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"", + "\"|\"", "\"%{...%}\"", "\";\"", "\"\"", "\"<*>\"", "\"<>\"", + "\"integer\"", "\"%param\"", "\"%union\"", "\"%empty\"", "$accept", + "input", "prologue_declarations", "prologue_declaration", "$@1", + "params", "grammar_declaration", "code_props_type", "union_name", + "symbol_declaration", "$@2", "$@3", "precedence_declaration", + "precedence_declarator", "tag.opt", "symbols.prec", "symbol.prec", + "symbols.1", "generic_symlist", "generic_symlist_item", "tag", + "symbol_def", "symbol_defs.1", "grammar", "rules_or_grammar_declaration", + "rules", "$@4", "rhses.1", "rhs", "named_ref.opt", "variable", "value", + "braceless", "id", "id_colon", "symbol", "string_as_id", "epilogue.opt", YY_NULL }; #endif -/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to - token YYLEX-NUM. */ -static const short yytoknum[] = +# 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, 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, - -1 + 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, + 305, 306, 307, 308, 309, 310, 311, 312 }; +# endif + +#define YYPACT_NINF -115 + +#define yypact_value_is_default(Yystate) \ + (!!((Yystate) == (-115))) + +#define YYTABLE_NINF -111 + +#define yytable_value_is_error(Yytable_value) \ + 0 -/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const unsigned char yyr1[] = + /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +static const yytype_int8 yypact[] = { - 0, 40, 42, 41, 43, 43, 44, 44, 44, 44, - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, - 44, 44, 44, 45, 45, 45, 45, 47, 46, 48, - 46, 49, 46, 51, 50, 52, 52, 52, 53, 53, - 54, 54, 55, 55, 56, 56, 56, 56, 56, 57, - 57, 58, 58, 59, 59, 61, 60, 62, 62, 63, - 63, 63, 63, 64, 64, 64, 65, 66, 67, 68, - 68, 69, 69 + -115, 16, 109, -115, -115, -115, -28, -115, -115, -115, + -115, -115, -115, -14, -115, 25, 23, -115, -27, -20, + -115, 39, -115, 7, 48, 71, -115, -115, -115, 72, + 73, 74, -2, -115, -115, -115, 56, -115, -115, -115, + 33, -115, -115, 40, -115, -115, 37, 54, 54, -2, + -115, 50, -115, -115, -115, 2, -115, -115, -115, -115, + -115, -115, -115, -115, -115, -115, -115, -115, -115, -115, + -115, -115, 51, -115, 53, 3, -115, -115, 49, 65, + -115, 50, 42, -115, -2, -115, -115, 54, -1, 54, + -2, -115, -115, -115, -115, -115, -115, -115, -115, 63, + -115, -115, -115, -115, -115, 69, -115, -115, -115, -115, + 42, -115, -115, -115, -2, -115, 38, -115, 106, -115, + -115, -115, -115, -115, -115, -115, -115, -115, -15, 41, + -115, -115, -2, 57, 59, 49, -115, -115, 49, 41, + -115, -115, -115, -115, -115 }; -/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ -static const unsigned char yyr2[] = + /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM. + Performed when YYTABLE does not specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = { - 0, 2, 0, 5, 0, 3, 1, 1, 1, 3, - 1, 1, 2, 3, 1, 3, 1, 3, 1, 2, - 1, 1, 1, 1, 1, 2, 2, 0, 3, 0, - 3, 0, 4, 0, 4, 1, 1, 1, 0, 1, - 1, 2, 1, 2, 1, 1, 2, 2, 3, 1, - 2, 1, 2, 1, 2, 0, 5, 1, 3, 0, - 2, 2, 3, 1, 1, 1, 1, 1, 1, 0, - 2, 0, 1 + 3, 0, 0, 1, 47, 45, 0, 40, 41, 51, + 52, 53, 54, 0, 36, 0, 9, 11, 0, 0, + 7, 0, 15, 0, 0, 0, 37, 19, 20, 0, + 0, 0, 0, 26, 27, 28, 0, 6, 29, 22, + 42, 4, 5, 0, 33, 32, 55, 0, 0, 0, + 103, 0, 38, 98, 97, 99, 10, 12, 13, 14, + 16, 17, 18, 21, 24, 25, 109, 105, 104, 107, + 34, 108, 0, 106, 0, 0, 77, 79, 95, 0, + 43, 0, 0, 56, 0, 70, 75, 48, 71, 46, + 49, 61, 39, 101, 100, 8, 102, 81, 80, 0, + 78, 2, 96, 82, 31, 23, 44, 67, 68, 69, + 35, 63, 66, 65, 50, 57, 59, 76, 72, 73, + 62, 111, 87, 30, 64, 58, 60, 74, 83, 84, + 87, 86, 0, 0, 0, 95, 90, 91, 95, 85, + 92, 93, 94, 89, 88 }; -/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state - STATE-NUM when YYTABLE doesn't specify something else to do. Zero - means the default is an error. */ -static const short yydefact[] = + /* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = { - 2, 0, 4, 0, 0, 29, 27, 0, 0, 0, - 0, 21, 11, 0, 0, 0, 0, 18, 10, 22, - 8, 14, 16, 0, 20, 0, 7, 35, 36, 37, - 71, 6, 24, 23, 38, 0, 0, 31, 26, 12, - 67, 65, 63, 25, 64, 0, 0, 0, 68, 0, - 19, 0, 0, 69, 51, 53, 72, 5, 39, 33, - 44, 45, 49, 30, 28, 0, 17, 13, 15, 9, - 55, 54, 0, 52, 3, 0, 46, 47, 50, 40, - 32, 59, 70, 34, 42, 48, 41, 0, 57, 43, - 56, 59, 0, 66, 60, 61, 58, 62 + -115, -115, -115, -115, -115, -115, 120, -115, -115, -115, + -115, -115, -115, -115, -115, -115, 9, -115, -115, 14, + -115, -50, 100, -115, 75, -115, -115, -115, 19, -114, + -115, -115, -33, -18, -115, -32, -82, -115 }; -/* YYPGOTO[NTERM-NUM]. */ -static const short yydefgoto[] = + /* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int16 yydefgoto[] = { - -1, 1, 2, 4, 30, 52, 32, 36, 35, 65, - 33, 75, 34, 59, 80, 83, 62, 63, 53, 54, - 55, 81, 87, 88, 94, 95, 44, 49, 74, 57 + -1, 1, 2, 41, 79, 105, 74, 43, 81, 44, + 48, 47, 45, 46, 84, 114, 115, 90, 110, 111, + 112, 86, 87, 75, 76, 77, 122, 128, 129, 103, + 55, 95, 52, 69, 78, 113, 71, 101 }; -/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing - STATE-NUM. */ -static const short yypact[] = + /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule whose + number is the opposite. If YYTABLE_NINF, syntax error. */ +static const yytype_int16 yytable[] = { - -32768, 7,-32768,-32768, -5,-32768,-32768, -1, 11, 51, - 38,-32768,-32768, 36, 43, 44, 66,-32768,-32768,-32768, - -32768,-32768,-32768, 66,-32768, 29,-32768,-32768,-32768,-32768, - 45,-32768,-32768,-32768, 48, 18, 18,-32768,-32768,-32768, - -32768,-32768,-32768,-32768,-32768, 66, 66, 66,-32768, 66, - -32768, 46, 49, 16,-32768,-32768,-32768,-32768,-32768,-32768, - -32768, 41,-32768, 18, 18, 52,-32768,-32768,-32768,-32768, - -32768,-32768, 42,-32768,-32768, 38, 82,-32768,-32768,-32768, - 54,-32768,-32768, 38,-32768,-32768,-32768, 31, 27,-32768, - -32768,-32768, 38,-32768,-32768,-32768, 27,-32768 + 70, 66, 66, -110, 72, 93, 119, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 3, 91, 92, 13, + 14, 143, 96, 49, 144, 50, 56, 57, 53, 88, + 88, 51, 26, 130, 58, 131, 127, 117, 32, 117, + 67, 50, 59, 68, 66, 66, 60, 94, 106, 73, + 99, 61, 116, 118, 132, 133, 134, 72, 120, 40, + 4, 5, 6, 7, 8, 9, 10, 11, 12, 88, + 54, 88, 13, 14, 62, 63, 64, 65, 80, 82, + 135, 136, 116, 67, 67, 26, 68, 68, 83, 50, + 102, 32, 126, 107, 108, 109, 67, 138, 137, 68, + 140, 97, 73, 98, 104, 85, 121, 138, 123, 66, + 142, 141, 40, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 42, 125, 124, 13, 14, 15, 16, 17, + 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 89, 139, + 100, 0, 0, 0, 0, 0, 36, 0, 37, 38, + 0, 0, 0, 0, 39, 40 }; -/* YYPGOTO[NTERM-NUM]. */ -static const short yypgoto[] = +static const yytype_int16 yycheck[] = { - -32768,-32768,-32768,-32768,-32768, 83,-32768,-32768,-32768,-32768, - -32768,-32768,-32768,-32768,-32768,-32768, -12, 53,-32768, 35, - -32768,-32768,-32768, 0, -10,-32768, -18, 34,-32768,-32768 + 32, 3, 3, 0, 1, 3, 88, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 0, 49, 51, 16, + 17, 135, 55, 51, 138, 39, 3, 54, 3, 47, + 48, 45, 29, 48, 54, 50, 118, 87, 35, 89, + 42, 39, 3, 45, 3, 3, 39, 45, 81, 46, + 47, 3, 84, 54, 13, 14, 15, 1, 90, 56, + 4, 5, 6, 7, 8, 9, 10, 11, 12, 87, + 45, 89, 16, 17, 3, 3, 3, 3, 45, 39, + 39, 40, 114, 42, 42, 29, 45, 45, 51, 39, + 41, 35, 54, 51, 52, 53, 42, 129, 57, 45, + 132, 50, 46, 50, 39, 51, 43, 139, 39, 3, + 51, 54, 56, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 2, 114, 110, 16, 17, 18, 19, 20, + 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 48, 130, + 75, -1, -1, -1, -1, -1, 47, -1, 49, 50, + -1, -1, -1, -1, 55, 56 }; -/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If - positive, shift that token. If negative, reduce the rule which - number is the opposite. If zero, do what YYDEFACT says. */ -static const short yytable[] = + /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = { - 43, 5, 6, 7, 8, 9, 10, 3, 11, 12, - 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, - 23, 24, 5, 6, 7, 8, 37, 10, 25, 26, - 40, 41, 27, 28, 29, 5, 6, 7, 8, 92, - 10, 40, 41, 77, 40, 60, 76, 38, 51, 72, - 61, 78, 78, 27, 28, 29, 39, 50, 85, 42, - 90, 51, 91, 93, 45, 84, 27, 28, 29, 48, - 42, 46, 47, 89, 56, 58, 70, 82, 71, 66, - 67, 68, 97, 69, 79, 40, 86, 31, 73, 64, - 0, 96 + 0, 59, 60, 0, 4, 5, 6, 7, 8, 9, + 10, 11, 12, 16, 17, 18, 19, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 47, 49, 50, 55, + 56, 61, 64, 65, 67, 70, 71, 69, 68, 51, + 39, 45, 90, 3, 45, 88, 3, 54, 54, 3, + 39, 3, 3, 3, 3, 3, 3, 42, 45, 91, + 93, 94, 1, 46, 64, 81, 82, 83, 92, 62, + 45, 66, 39, 51, 72, 51, 79, 80, 91, 80, + 75, 93, 90, 3, 45, 89, 90, 50, 50, 47, + 82, 95, 41, 87, 39, 63, 90, 51, 52, 53, + 76, 77, 78, 93, 73, 74, 93, 79, 54, 94, + 93, 43, 84, 39, 77, 74, 54, 94, 85, 86, + 48, 50, 13, 14, 15, 39, 40, 57, 93, 86, + 93, 54, 51, 87, 87 }; -static const short yycheck[] = + /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = { - 10, 6, 7, 8, 9, 10, 11, 0, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 6, 7, 8, 9, 27, 11, 33, 34, - 3, 4, 37, 38, 39, 6, 7, 8, 9, 12, - 11, 3, 4, 61, 3, 27, 5, 36, 32, 33, - 32, 63, 64, 37, 38, 39, 5, 23, 76, 32, - 29, 32, 31, 36, 28, 75, 37, 38, 39, 3, - 32, 28, 28, 83, 29, 27, 30, 35, 29, 45, - 46, 47, 92, 49, 32, 3, 32, 4, 53, 36, - -1, 91 + 0, 58, 59, 60, 60, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 62, 61, 61, 61, 61, 61, 61, 61, + 63, 63, 64, 64, 64, 64, 64, 64, 64, 64, + 65, 65, 66, 66, 64, 68, 67, 69, 67, 67, + 70, 71, 71, 71, 71, 72, 72, 73, 73, 74, + 74, 75, 75, 76, 76, 77, 77, 78, 78, 78, + 79, 79, 79, 79, 79, 80, 80, 81, 81, 82, + 82, 82, 84, 83, 85, 85, 85, 86, 86, 86, + 86, 86, 86, 86, 86, 87, 87, 88, 88, 89, + 89, 89, 89, 90, 91, 91, 92, 93, 93, 94, + 95, 95 }; -#if YYDEBUG -/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing - symbol of state STATE-NUM. */ -static const unsigned char yystos[] = + /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = { - 0, 41, 42, 0, 43, 6, 7, 8, 9, 10, - 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, - 22, 23, 24, 25, 26, 33, 34, 37, 38, 39, - 44, 45, 46, 50, 52, 48, 47, 27, 36, 5, - 3, 4, 32, 64, 66, 28, 28, 28, 3, 67, - 67, 32, 45, 58, 59, 60, 29, 69, 27, 53, - 27, 32, 56, 57, 57, 49, 67, 67, 67, 67, - 30, 29, 33, 59, 68, 51, 5, 66, 56, 32, - 54, 61, 35, 55, 64, 66, 32, 62, 63, 64, - 29, 31, 12, 36, 64, 65, 63, 64 + 0, 2, 4, 0, 2, 1, 1, 1, 3, 1, + 2, 1, 2, 2, 2, 1, 2, 2, 2, 1, + 1, 2, 0, 3, 2, 2, 1, 1, 1, 1, + 2, 1, 1, 1, 2, 3, 1, 1, 2, 3, + 1, 1, 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, 1, 2, 2, 3, 1, 2, 1, 2, 1, + 2, 2, 0, 4, 1, 3, 2, 0, 3, 3, + 2, 2, 3, 3, 3, 0, 1, 1, 1, 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 0, 2 }; -#endif -#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 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 +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab -/* Like YYERROR except do call yyerror. This remains here temporarily - to ease the transition to the new meaning of YYERROR, for GCC. - 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; \ - } \ +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + YYPOPSTACK (yylen); \ + yystate = *yyssp; \ + YY_LAC_DISCARD ("YYBACKUP"); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (&yylloc, YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ while (0) -#define YYTERROR 1 -#define YYERRCODE 256 +/* Error token number */ +#define YYTERROR 1 +#define YYERRCODE 256 + -/* YYLLOC_DEFAULT -- Compute the default location (before the actions - are run). */ +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ #ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ - Current.first_line = Rhs[1].first_line; \ - Current.first_column = Rhs[1].first_column; \ - Current.last_line = Rhs[N].last_line; \ - Current.last_column = Rhs[N].last_column; +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (N) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (0) #endif -/* YYLEX -- calling `yylex' with the right arguments. */ +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) -#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 */ /* Enable debugging if requested. */ -#if YYDEBUG +#if GRAM_DEBUG # ifndef YYFPRINTF # include /* INFRINGES ON USER NAME SPACE */ # define YYFPRINTF fprintf # endif -# define YYDPRINTF(Args) \ -do { \ - if (yydebug) \ - YYFPRINTF Args; \ +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if defined GRAM_LTYPE_IS_TRIVIAL && GRAM_LTYPE_IS_TRIVIAL + +/* Print *YYLOCP on YYO. Private, do not rely on its existence. */ + +__attribute__((__unused__)) +static unsigned +yy_location_print_ (FILE *yyo, YYLTYPE const * const yylocp) +{ + unsigned res = 0; + int end_col = 0 != yylocp->last_column ? yylocp->last_column - 1 : 0; + if (0 <= yylocp->first_line) + { + res += YYFPRINTF (yyo, "%d", yylocp->first_line); + if (0 <= yylocp->first_column) + res += YYFPRINTF (yyo, ".%d", yylocp->first_column); + } + if (0 <= yylocp->last_line) + { + if (yylocp->first_line < yylocp->last_line) + { + res += YYFPRINTF (yyo, "-%d", yylocp->last_line); + if (0 <= end_col) + res += YYFPRINTF (yyo, ".%d", end_col); + } + else if (0 <= end_col && yylocp->first_column < end_col) + res += YYFPRINTF (yyo, "-%d", end_col); + } + return res; + } + +# define YY_LOCATION_PRINT(File, Loc) \ + yy_location_print_ (File, &(Loc)) + +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +# 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 (0) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp) +{ + FILE *yyo = yyoutput; + YYUSE (yyo); + YYUSE (yylocationp); + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# endif + switch (yytype) + { + case 3: /* "string" */ +#line 183 "src/parse-gram.y" /* yacc.c:706 */ + { fputs (quotearg_style (c_quoting_style, ((*yyvaluep).chars)), yyo); } +#line 973 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 23: /* "%" */ +#line 193 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "%%%s", ((*yyvaluep).uniqstr)); } +#line 979 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 39: /* "{...}" */ +#line 185 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "{\n%s\n}", ((*yyvaluep).code)); } +#line 985 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 41: /* "[identifier]" */ +#line 191 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "[%s]", ((*yyvaluep).uniqstr)); } +#line 991 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 42: /* "char" */ +#line 172 "src/parse-gram.y" /* yacc.c:706 */ + { fputs (char_name (((*yyvaluep).character)), yyo); } +#line 997 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 43: /* "epilogue" */ +#line 185 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "{\n%s\n}", ((*yyvaluep).chars)); } +#line 1003 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 45: /* "identifier" */ +#line 190 "src/parse-gram.y" /* yacc.c:706 */ + { fputs (((*yyvaluep).uniqstr), yyo); } +#line 1009 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 46: /* "identifier:" */ +#line 192 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "%s:", ((*yyvaluep).uniqstr)); } +#line 1015 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 49: /* "%{...%}" */ +#line 185 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "{\n%s\n}", ((*yyvaluep).chars)); } +#line 1021 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 51: /* "" */ +#line 194 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "<%s>", ((*yyvaluep).uniqstr)); } +#line 1027 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 54: /* "integer" */ +#line 198 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "%d", ((*yyvaluep).integer)); } +#line 1033 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 55: /* "%param" */ +#line 241 "src/parse-gram.y" /* yacc.c:706 */ + { + switch (((*yyvaluep).param)) + { +#define CASE(In, Out) \ + case param_ ## In: fputs ("%" #Out, yyo); break + CASE (lex, lex-param); + CASE (parse, parse-param); + CASE (both, param); +#undef CASE + case param_none: aver (false); break; + } +} +#line 1050 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 65: /* code_props_type */ +#line 414 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "%s", code_props_type_string (((*yyvaluep).code_type))); } +#line 1056 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 74: /* symbol.prec */ +#line 202 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "%s", ((*yyvaluep).symbol)->tag); } +#line 1062 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 78: /* tag */ +#line 194 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "<%s>", ((*yyvaluep).uniqstr)); } +#line 1068 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 88: /* variable */ +#line 190 "src/parse-gram.y" /* yacc.c:706 */ + { fputs (((*yyvaluep).uniqstr), yyo); } +#line 1074 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 89: /* value */ +#line 660 "src/parse-gram.y" /* yacc.c:706 */ + { + switch (((*yyvaluep).value).kind) + { + case muscle_code: fprintf (yyo, "{%s}", ((*yyvaluep).value).chars); break; + case muscle_keyword: fprintf (yyo, "%s", ((*yyvaluep).value).chars); break; + case muscle_string: fprintf (yyo, "\"%s\"", ((*yyvaluep).value).chars); break; + } +} +#line 1087 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 90: /* braceless */ +#line 185 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "{\n%s\n}", ((*yyvaluep).chars)); } +#line 1093 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 91: /* id */ +#line 202 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "%s", ((*yyvaluep).symbol)->tag); } +#line 1099 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 92: /* id_colon */ +#line 203 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "%s:", ((*yyvaluep).symbol)->tag); } +#line 1105 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 93: /* symbol */ +#line 202 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "%s", ((*yyvaluep).symbol)->tag); } +#line 1111 "src/parse-gram.c" /* yacc.c:706 */ + break; + + case 94: /* string_as_id */ +#line 202 "src/parse-gram.y" /* yacc.c:706 */ + { fprintf (yyo, "%s", ((*yyvaluep).symbol)->tag); } +#line 1117 "src/parse-gram.c" /* yacc.c:706 */ + break; + + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp) +{ + YYFPRINTF (yyoutput, "%s %s (", + yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]); + + YY_LOCATION_PRINT (yyoutput, *yylocationp); + YYFPRINTF (yyoutput, ": "); + yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +{ + 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 (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +static void +yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule) +{ + 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"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyssp, yyvsp, yylsp, Rule); \ } while (0) + /* Nonzero means print parse trace. It is left uninitialized so that multiple parsers can coexist. */ int yydebug; -#else /* !YYDEBUG */ +#else /* !GRAM_DEBUG */ # define YYDPRINTF(Args) -#endif /* !YYDEBUG */ +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !GRAM_DEBUG */ + /* YYINITDEPTH -- initial size of the parser's stacks. */ -#ifndef YYINITDEPTH +#ifndef YYINITDEPTH # define YYINITDEPTH 200 #endif @@ -715,61 +1212,276 @@ 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 - +/* 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 GRAM_DEBUG + 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 (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 GRAM_DEBUG +# 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 (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 GRAM_DEBUG + " (", ")", +#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. */ static YYSIZE_T -# if defined (__STDC__) || defined (__cplusplus) yystrlen (const char *yystr) -# else -yystrlen (yystr) - 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. */ static char * -# if defined (__STDC__) || defined (__cplusplus) yystpcpy (char *yydest, const char *yysrc) -# else -yystpcpy (yydest, yysrc) - 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; @@ -779,146 +1491,352 @@ yystpcpy (yydest, yysrc) # endif # endif -#endif /* !YYERROR_VERBOSE */ - - +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + 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 (YY_NULL, yytname[yytoken]); + YYSIZE_T yysize = yysize0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + /* Internationalized format string. */ + const char *yyformat = YY_NULL; + /* 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: + - 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]; + { + YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULL, yytname[yyx]); + if (! (yysize <= yysize1 + && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } + } + } +# if GRAM_DEBUG + 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_ + } -/* If nonreentrant, generate the variables here. */ + { + YYSIZE_T yysize1 = yysize + yystrlen (yyformat); + if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } -#if !YYPURE -YY_DECL_VARIABLES -#endif /* !YYPURE */ + if (*yymsg_alloc < yysize) + { + *yymsg_alloc = 2 * yysize; + if (! (yysize <= *yymsg_alloc + && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) + *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; + return 1; + } -int -yyparse (YYPARSE_PARAM_ARG) - YYPARSE_PARAM_DECL + /* 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 */ + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp) { - /* If reentrant, generate the variables here. */ -#if YYPURE - YY_DECL_VARIABLES -#endif /* !YYPURE */ + YYUSE (yyvaluep); + YYUSE (yylocationp); + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + default: + break; + } +} + - 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; -#endif -#if YYLSP_NEEDED -# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) + +/*----------. +| yyparse. | +`----------*/ + +int +yyparse (void) +{ +/* The lookahead symbol. */ +int yychar; + + +#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__ +/* Suppress an incorrect diagnostic about yylval being uninitialized. */ +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\ + _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") +# define YY_IGNORE_MAYBE_UNINITIALIZED_END \ + _Pragma ("GCC diagnostic pop") #else -# define YYPOPSTACK (yyvsp--, yyssp--) +/* Default value used for initialization, for pacifying older GCCs + or non-GCC compilers. */ +static YYSTYPE yyval_default; +# define YY_INITIAL_VALUE(Value) = Value +#endif +static YYLTYPE yyloc_default +# if defined GRAM_LTYPE_IS_TRIVIAL && GRAM_LTYPE_IS_TRIVIAL + = { 1, 1, 1, 1 } +# endif +; +#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN +# define YY_IGNORE_MAYBE_UNINITIALIZED_END #endif +#ifndef YY_INITIAL_VALUE +# define YY_INITIAL_VALUE(Value) /* Nothing. */ +#endif + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval YY_INITIAL_VALUE(yyval_default); + +/* Location data for the lookahead symbol. */ +YYLTYPE yylloc = yyloc_default; + + + /* Number of syntax errors so far. */ + int yynerrs; - YYSIZE_T yystacksize = YYINITDEPTH; + 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 through separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* 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 = 0; /* 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; + + yyssp = yyss = yyssa; + yyvsp = yyvs = yyvsa; + yylsp = 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. */ - - /* 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. */ + yychar = YYEMPTY; /* Cause a token to be read. */ - yyssp = yyss; - yyvsp = yyvs; -#if YYLSP_NEEDED - yylsp = yyls; -#endif +/* User initialization code. */ +#line 96 "src/parse-gram.y" /* yacc.c:1451 */ +{ + /* 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 1839 "src/parse-gram.c" /* yacc.c:1451 */ + yylsp[0] = yylloc; goto yysetstate; /*------------------------------------------------------------. @@ -926,91 +1844,83 @@ 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 + 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); + 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)); + if (yystate == YYFINAL) + YYACCEPT; + goto yybackup; /*-----------. @@ -1018,102 +1928,69 @@ yyparse (YYPARSE_PARAM_ARG) `-----------*/ 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; + yychar = yylex (&yylval, &yylloc); } - /* 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; - - 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 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) { - if (yyn == YYFLAG) - goto yyerrlab; - yyn = -yyn; - goto yyreduce; + YY_LAC_ESTABLISH; + goto yydefault; + } + yyn = yytable[yyn]; + if (yyn <= 0) + { + 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; + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + *++yylsp = yylloc; goto yynewstate; @@ -1135,425 +2012,758 @@ yyreduce: yylen = yyr2[yyn]; /* If YYLEN is nonzero, implement the default value of the action: - `$$ = $1'. + '$$ = $1'. - Otherwise, the following line sets YYVAL to the semantic value of - the lookahead token. This behavior is undocumented and Bison + 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]; -#if YYLSP_NEEDED - /* Default location. */ + /* Default location. */ YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); -#endif - -#if YYDEBUG - /* We have to keep this `#if YYDEBUG', since we use variables which - are defined only if `YYDEBUG' is set. */ - if (yydebug) + YY_REDUCE_PRINT (yyn); + { + int yychar_backup = yychar; + switch (yyn) + { + case 6: +#line 277 "src/parse-gram.y" /* yacc.c:1668 */ { - int yyi; - - YYFPRINTF (stderr, "Reducing via rule %d (line %d), ", - yyn - 1, yyrline[yyn]); - - /* Print the symbols being reduced, and their result. */ - for (yyi = yyprhs[yyn]; yyrhs[yyi] >= 0; yyi++) - YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); - YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]); + 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 (); } -#endif - switch (yyn) - { - case 2: -#line 131 "parse-gram.y" - { LOCATION_RESET (yylloc); } +#line 2043 "src/parse-gram.c" /* yacc.c:1668 */ break; - case 3: -#line 133 "parse-gram.y" + case 7: +#line 287 "src/parse-gram.y" /* yacc.c:1668 */ { - yycontrol->errcode = 0; - epilogue_set (yyvsp[0].string, yylsp[0]); + muscle_percent_define_ensure ((yyvsp[0].uniqstr), (yylsp[0]), true); } - break; - - case 7: -#line 151 "parse-gram.y" - { prologue_augment (yyvsp[0].string, yylsp[0]); } +#line 2051 "src/parse-gram.c" /* yacc.c:1668 */ break; case 8: -#line 152 "parse-gram.y" - { debug_flag = 1; } +#line 291 "src/parse-gram.y" /* yacc.c:1668 */ + { + muscle_percent_define_insert ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].value).kind, (yyvsp[0].value).chars, + MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE); + } +#line 2060 "src/parse-gram.c" /* yacc.c:1668 */ break; case 9: -#line 153 "parse-gram.y" - { muscle_insert (yyvsp[-1].string, yyvsp[0].string); } +#line 295 "src/parse-gram.y" /* yacc.c:1668 */ + { defines_flag = true; } +#line 2066 "src/parse-gram.c" /* yacc.c:1668 */ break; case 10: -#line 154 "parse-gram.y" - { defines_flag = 1; } +#line 297 "src/parse-gram.y" /* yacc.c:1668 */ + { + defines_flag = true; + spec_defines_file = xstrdup ((yyvsp[0].chars)); + } +#line 2075 "src/parse-gram.c" /* yacc.c:1668 */ break; case 11: -#line 155 "parse-gram.y" - { error_verbose = 1; } +#line 302 "src/parse-gram.y" /* yacc.c:1668 */ + { + muscle_percent_define_insert ("parse.error", (yylsp[0]), muscle_keyword, + "verbose", + MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE); + } +#line 2085 "src/parse-gram.c" /* yacc.c:1668 */ break; case 12: -#line 156 "parse-gram.y" - { expected_conflicts = yyvsp[0].integer; } +#line 307 "src/parse-gram.y" /* yacc.c:1668 */ + { expected_sr_conflicts = (yyvsp[0].integer); } +#line 2091 "src/parse-gram.c" /* yacc.c:1668 */ break; case 13: -#line 157 "parse-gram.y" - { spec_file_prefix = yyvsp[0].string; } +#line 308 "src/parse-gram.y" /* yacc.c:1668 */ + { expected_rr_conflicts = (yyvsp[0].integer); } +#line 2097 "src/parse-gram.c" /* yacc.c:1668 */ break; case 14: -#line 158 "parse-gram.y" - { locations_flag = 1; } +#line 309 "src/parse-gram.y" /* yacc.c:1668 */ + { spec_file_prefix = (yyvsp[0].chars); } +#line 2103 "src/parse-gram.c" /* yacc.c:1668 */ break; case 15: -#line 159 "parse-gram.y" - { spec_name_prefix = yyvsp[0].string; } +#line 311 "src/parse-gram.y" /* yacc.c:1668 */ + { + nondeterministic_parser = true; + glr_parser = true; + } +#line 2112 "src/parse-gram.c" /* yacc.c:1668 */ break; case 16: -#line 160 "parse-gram.y" - { no_lines_flag = 1; } +#line 316 "src/parse-gram.y" /* yacc.c:1668 */ + { + 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 (); + } +#line 2125 "src/parse-gram.c" /* yacc.c:1668 */ break; case 17: -#line 161 "parse-gram.y" - { spec_outfile = yyvsp[0].string; } +#line 324 "src/parse-gram.y" /* yacc.c:1668 */ + { language_argmatch ((yyvsp[0].chars), grammar_prio, (yylsp[-1])); } +#line 2131 "src/parse-gram.c" /* yacc.c:1668 */ break; case 18: -#line 162 "parse-gram.y" - { pure_parser = 1; } +#line 325 "src/parse-gram.y" /* yacc.c:1668 */ + { spec_name_prefix = (yyvsp[0].chars); } +#line 2137 "src/parse-gram.c" /* yacc.c:1668 */ break; case 19: -#line 163 "parse-gram.y" - { skeleton = yyvsp[0].string; } +#line 326 "src/parse-gram.y" /* yacc.c:1668 */ + { no_lines_flag = true; } +#line 2143 "src/parse-gram.c" /* yacc.c:1668 */ break; case 20: -#line 164 "parse-gram.y" - { token_table_flag = 1; } +#line 327 "src/parse-gram.y" /* yacc.c:1668 */ + { nondeterministic_parser = true; } +#line 2149 "src/parse-gram.c" /* yacc.c:1668 */ break; case 21: -#line 165 "parse-gram.y" - { report_flag = 1; } +#line 328 "src/parse-gram.y" /* yacc.c:1668 */ + { spec_outfile = (yyvsp[0].chars); } +#line 2155 "src/parse-gram.c" /* yacc.c:1668 */ break; case 22: -#line 166 "parse-gram.y" - { yacc_flag = 1; } +#line 329 "src/parse-gram.y" /* yacc.c:1668 */ + { current_param = (yyvsp[0].param); } +#line 2161 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 23: +#line 329 "src/parse-gram.y" /* yacc.c:1668 */ + { current_param = param_none; } +#line 2167 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 24: +#line 330 "src/parse-gram.y" /* yacc.c:1668 */ + { version_check (&(yylsp[0]), (yyvsp[0].chars)); } +#line 2173 "src/parse-gram.c" /* yacc.c:1668 */ break; case 25: -#line 173 "parse-gram.y" +#line 332 "src/parse-gram.y" /* yacc.c:1668 */ { - grammar_start_symbol_set (yyvsp[0].symbol); + char const *skeleton_user = (yyvsp[0].chars); + if (strchr (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) + { + memcpy (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 2201 "src/parse-gram.c" /* yacc.c:1668 */ break; case 26: -#line 177 "parse-gram.y" - { - typed = 1; - MUSCLE_INSERT_INT ("stype_line", yylsp[0].first_line); - muscle_insert ("stype", yyvsp[0].string); - } +#line 355 "src/parse-gram.y" /* yacc.c:1668 */ + { token_table_flag = true; } +#line 2207 "src/parse-gram.c" /* yacc.c:1668 */ break; case 27: -#line 185 "parse-gram.y" - { current_class = nterm_sym; } +#line 356 "src/parse-gram.y" /* yacc.c:1668 */ + { report_flag |= report_states; } +#line 2213 "src/parse-gram.c" /* yacc.c:1668 */ break; case 28: -#line 186 "parse-gram.y" - { - current_class = unknown_sym; - current_type = NULL; - } - break; - - case 29: -#line 190 "parse-gram.y" - { current_class = token_sym; } +#line 357 "src/parse-gram.y" /* yacc.c:1668 */ + { yacc_flag = true; } +#line 2219 "src/parse-gram.c" /* yacc.c:1668 */ break; case 30: -#line 191 "parse-gram.y" - { - current_class = unknown_sym; - current_type = NULL; - } +#line 362 "src/parse-gram.y" /* yacc.c:1668 */ + { add_param (current_param, (yyvsp[0].code), (yylsp[0])); } +#line 2225 "src/parse-gram.c" /* yacc.c:1668 */ break; case 31: -#line 195 "parse-gram.y" - {current_type = yyvsp[0].string; } +#line 363 "src/parse-gram.y" /* yacc.c:1668 */ + { add_param (current_param, (yyvsp[0].code), (yylsp[0])); } +#line 2231 "src/parse-gram.c" /* yacc.c:1668 */ break; - case 32: -#line 196 "parse-gram.y" + case 34: +#line 375 "src/parse-gram.y" /* yacc.c:1668 */ { - current_type = NULL; + grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0])); } - break; - - case 33: -#line 203 "parse-gram.y" - { current_assoc = yyvsp[-1].assoc; ++current_prec; } - break; - - case 34: -#line 205 "parse-gram.y" - { current_assoc = non_assoc; current_type = NULL; } +#line 2239 "src/parse-gram.c" /* yacc.c:1668 */ break; case 35: -#line 212 "parse-gram.y" - { yyval.assoc = left_assoc; } +#line 379 "src/parse-gram.y" /* yacc.c:1668 */ + { + code_props code; + code_props_symbol_action_init (&code, (yyvsp[-1].code), (yylsp[-1])); + code_props_translate_code (&code); + { + symbol_list *list; + for (list = (yyvsp[0].list); list; list = list->next) + symbol_list_code_props_set (list, (yyvsp[-2].code_type), &code); + symbol_list_free ((yyvsp[0].list)); + } + } +#line 2255 "src/parse-gram.c" /* yacc.c:1668 */ break; case 36: -#line 213 "parse-gram.y" - { yyval.assoc = right_assoc; } +#line 391 "src/parse-gram.y" /* yacc.c:1668 */ + { + default_prec = true; + } +#line 2263 "src/parse-gram.c" /* yacc.c:1668 */ break; case 37: -#line 214 "parse-gram.y" - { yyval.assoc = non_assoc; } +#line 395 "src/parse-gram.y" /* yacc.c:1668 */ + { + default_prec = false; + } +#line 2271 "src/parse-gram.c" /* yacc.c:1668 */ break; case 38: -#line 218 "parse-gram.y" - { current_type = NULL;} +#line 399 "src/parse-gram.y" /* yacc.c:1668 */ + { + /* 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 2282 "src/parse-gram.c" /* yacc.c:1668 */ break; case 39: -#line 219 "parse-gram.y" - { current_type = yyvsp[0].string; } +#line 406 "src/parse-gram.y" /* yacc.c:1668 */ + { + muscle_percent_code_grow ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars), (yylsp[0])); + code_scanner_last_string_free (); + } +#line 2291 "src/parse-gram.c" /* yacc.c:1668 */ break; case 40: -#line 224 "parse-gram.y" - { symbol_type_set (yyvsp[0].symbol, current_type); } +#line 416 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.code_type) = destructor; } +#line 2297 "src/parse-gram.c" /* yacc.c:1668 */ break; case 41: -#line 225 "parse-gram.y" - { symbol_type_set (yyvsp[0].symbol, current_type); } +#line 417 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.code_type) = printer; } +#line 2303 "src/parse-gram.c" /* yacc.c:1668 */ break; case 42: -#line 231 "parse-gram.y" - { - symbol_type_set (yyvsp[0].symbol, current_type); - symbol_precedence_set (yyvsp[0].symbol, current_prec, current_assoc); - } +#line 427 "src/parse-gram.y" /* yacc.c:1668 */ + {} +#line 2309 "src/parse-gram.c" /* yacc.c:1668 */ break; case 43: -#line 236 "parse-gram.y" - { - symbol_type_set (yyvsp[0].symbol, current_type); - symbol_precedence_set (yyvsp[0].symbol, current_prec, current_assoc); - } +#line 428 "src/parse-gram.y" /* yacc.c:1668 */ + { muscle_code_grow ("union_name", (yyvsp[0].uniqstr), (yylsp[0])); } +#line 2315 "src/parse-gram.c" /* yacc.c:1668 */ break; case 44: -#line 245 "parse-gram.y" +#line 433 "src/parse-gram.y" /* yacc.c:1668 */ { - current_type = yyvsp[0].string; - } + union_seen = true; + muscle_code_grow ("union_members", (yyvsp[0].chars), (yylsp[0])); + code_scanner_last_string_free (); + } +#line 2325 "src/parse-gram.c" /* yacc.c:1668 */ break; case 45: -#line 249 "parse-gram.y" - { - symbol_class_set (yyvsp[0].symbol, current_class); - symbol_type_set (yyvsp[0].symbol, current_type); - } +#line 444 "src/parse-gram.y" /* yacc.c:1668 */ + { current_class = nterm_sym; } +#line 2331 "src/parse-gram.c" /* yacc.c:1668 */ break; case 46: -#line 254 "parse-gram.y" +#line 445 "src/parse-gram.y" /* yacc.c:1668 */ { - 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); + current_class = unknown_sym; + current_type = NULL; } +#line 2340 "src/parse-gram.c" /* yacc.c:1668 */ break; case 47: -#line 260 "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); - } +#line 449 "src/parse-gram.y" /* yacc.c:1668 */ + { current_class = token_sym; } +#line 2346 "src/parse-gram.c" /* yacc.c:1668 */ break; case 48: -#line 266 "parse-gram.y" +#line 450 "src/parse-gram.y" /* yacc.c:1668 */ { - 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); + current_class = unknown_sym; + current_type = NULL; } +#line 2355 "src/parse-gram.c" /* yacc.c:1668 */ break; case 49: -#line 277 "parse-gram.y" - {;} +#line 455 "src/parse-gram.y" /* yacc.c:1668 */ + { + 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 2367 "src/parse-gram.c" /* yacc.c:1668 */ break; case 50: -#line 279 "parse-gram.y" - {;} +#line 466 "src/parse-gram.y" /* yacc.c:1668 */ + { + 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 2383 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 51: +#line 480 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.assoc) = left_assoc; } +#line 2389 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 52: +#line 481 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.assoc) = right_assoc; } +#line 2395 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 53: +#line 482 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.assoc) = non_assoc; } +#line 2401 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 54: +#line 483 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.assoc) = precedence_assoc; } +#line 2407 "src/parse-gram.c" /* yacc.c:1668 */ break; case 55: -#line 301 "parse-gram.y" - { current_lhs = yyvsp[-1].symbol; } +#line 487 "src/parse-gram.y" /* yacc.c:1668 */ + { current_type = NULL; } +#line 2413 "src/parse-gram.c" /* yacc.c:1668 */ break; case 56: -#line 302 "parse-gram.y" - {;} +#line 488 "src/parse-gram.y" /* yacc.c:1668 */ + { current_type = (yyvsp[0].uniqstr); tag_seen = true; } +#line 2419 "src/parse-gram.c" /* yacc.c:1668 */ break; case 57: -#line 306 "parse-gram.y" - { grammar_rule_end (); } +#line 494 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); } +#line 2425 "src/parse-gram.c" /* yacc.c:1668 */ break; case 58: -#line 307 "parse-gram.y" - { grammar_rule_end (); } +#line 496 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.list) = symbol_list_append ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); } +#line 2431 "src/parse-gram.c" /* yacc.c:1668 */ break; case 59: -#line 312 "parse-gram.y" - { grammar_rule_begin (current_lhs); } +#line 501 "src/parse-gram.y" /* yacc.c:1668 */ + { + (yyval.symbol) = (yyvsp[0].symbol); + symbol_class_set ((yyvsp[0].symbol), token_sym, (yylsp[0]), false); + } +#line 2440 "src/parse-gram.c" /* yacc.c:1668 */ break; case 60: -#line 314 "parse-gram.y" - { grammar_current_rule_symbol_append (yyvsp[0].symbol); } +#line 506 "src/parse-gram.y" /* yacc.c:1668 */ + { + (yyval.symbol) = (yyvsp[-1].symbol); + symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0])); + symbol_class_set ((yyvsp[-1].symbol), token_sym, (yylsp[-1]), false); + } +#line 2450 "src/parse-gram.c" /* yacc.c:1668 */ break; case 61: -#line 316 "parse-gram.y" - { grammar_current_rule_action_append (yyvsp[0].string, yylsp[0].first_line); } +#line 516 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); } +#line 2456 "src/parse-gram.c" /* yacc.c:1668 */ break; case 62: -#line 318 "parse-gram.y" - { grammar_current_rule_prec_set (yyvsp[0].symbol); } +#line 518 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.list) = symbol_list_append ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); } +#line 2462 "src/parse-gram.c" /* yacc.c:1668 */ break; case 63: -#line 322 "parse-gram.y" - { yyval.symbol = yyvsp[0].symbol; } +#line 522 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.list) = (yyvsp[0].list); } +#line 2468 "src/parse-gram.c" /* yacc.c:1668 */ break; case 64: -#line 323 "parse-gram.y" - { yyval.symbol = yyvsp[0].symbol; } +#line 523 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.list) = symbol_list_append ((yyvsp[-1].list), (yyvsp[0].list)); } +#line 2474 "src/parse-gram.c" /* yacc.c:1668 */ break; case 65: -#line 324 "parse-gram.y" - { yyval.symbol = getsym (yyvsp[0].string); } +#line 527 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); } +#line 2480 "src/parse-gram.c" /* yacc.c:1668 */ break; case 66: -#line 329 "parse-gram.y" - { yyval.string = yyvsp[0].string; } +#line 528 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.list) = symbol_list_type_new ((yyvsp[0].uniqstr), (yylsp[0])); } +#line 2486 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 68: +#line 533 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.uniqstr) = uniqstr_new ("*"); } +#line 2492 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 69: +#line 534 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.uniqstr) = uniqstr_new (""); } +#line 2498 "src/parse-gram.c" /* yacc.c:1668 */ break; - case 67: -#line 335 "parse-gram.y" + case 70: +#line 540 "src/parse-gram.y" /* yacc.c:1668 */ { - yyval.symbol = getsym (yyvsp[0].string); - symbol_class_set (yyval.symbol, token_sym); + current_type = (yyvsp[0].uniqstr); + tag_seen = true; } +#line 2507 "src/parse-gram.c" /* yacc.c:1668 */ break; - case 68: -#line 344 "parse-gram.y" + case 71: +#line 545 "src/parse-gram.y" /* yacc.c:1668 */ { - yyval.string = yyvsp[0].string + 1; - yyval.string[strlen (yyval.string) - 1] = '\0'; + symbol_class_set ((yyvsp[0].symbol), current_class, (yylsp[0]), true); + symbol_type_set ((yyvsp[0].symbol), current_type, (yylsp[0])); } +#line 2516 "src/parse-gram.c" /* yacc.c:1668 */ break; - case 69: -#line 352 "parse-gram.y" + case 72: +#line 550 "src/parse-gram.y" /* yacc.c:1668 */ { - yyval.string = xstrdup (""); + 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 2526 "src/parse-gram.c" /* yacc.c:1668 */ break; - case 70: -#line 356 "parse-gram.y" + case 73: +#line 556 "src/parse-gram.y" /* yacc.c:1668 */ { - yyval.string = yyvsp[0].string; + 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 2536 "src/parse-gram.c" /* yacc.c:1668 */ break; + case 74: +#line 562 "src/parse-gram.y" /* yacc.c:1668 */ + { + 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 2547 "src/parse-gram.c" /* yacc.c:1668 */ + break; + case 81: +#line 592 "src/parse-gram.y" /* yacc.c:1668 */ + { + yyerrok; } +#line 2555 "src/parse-gram.c" /* yacc.c:1668 */ + break; -/* Line 1012 of /home/akim/src/bison/data/bison.simple. */ -#line 1526 "parse-gram.c" - - yyvsp -= yylen; - yyssp -= yylen; -#if YYLSP_NEEDED - yylsp -= yylen; -#endif + case 82: +#line 598 "src/parse-gram.y" /* yacc.c:1668 */ + { current_lhs ((yyvsp[-1].symbol), (yylsp[-1]), (yyvsp[0].named_ref)); } +#line 2561 "src/parse-gram.c" /* yacc.c:1668 */ + break; -#if YYDEBUG - if (yydebug) + case 83: +#line 599 "src/parse-gram.y" /* yacc.c:1668 */ { - short *yyssp1 = yyss - 1; - YYFPRINTF (stderr, "state stack now"); - while (yyssp1 != yyssp) - YYFPRINTF (stderr, " %d", *++yyssp1); - YYFPRINTF (stderr, "\n"); + /* Free the current lhs. */ + current_lhs (0, (yylsp[-3]), 0); + } +#line 2570 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 84: +#line 606 "src/parse-gram.y" /* yacc.c:1668 */ + { grammar_current_rule_end ((yylsp[0])); } +#line 2576 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 85: +#line 607 "src/parse-gram.y" /* yacc.c:1668 */ + { grammar_current_rule_end ((yylsp[0])); } +#line 2582 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 87: +#line 614 "src/parse-gram.y" /* yacc.c:1668 */ + { grammar_current_rule_begin (current_lhs_symbol, current_lhs_location, + current_lhs_named_ref); } +#line 2589 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 88: +#line 617 "src/parse-gram.y" /* yacc.c:1668 */ + { grammar_current_rule_symbol_append ((yyvsp[-1].symbol), (yylsp[-1]), (yyvsp[0].named_ref)); } +#line 2595 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 89: +#line 619 "src/parse-gram.y" /* yacc.c:1668 */ + { grammar_current_rule_action_append ((yyvsp[-1].code), (yylsp[-1]), (yyvsp[0].named_ref), false); } +#line 2601 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 90: +#line 621 "src/parse-gram.y" /* yacc.c:1668 */ + { grammar_current_rule_action_append ((yyvsp[0].code), (yylsp[0]), NULL, true); } +#line 2607 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 91: +#line 623 "src/parse-gram.y" /* yacc.c:1668 */ + { grammar_current_rule_empty_set ((yylsp[0])); } +#line 2613 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 92: +#line 625 "src/parse-gram.y" /* yacc.c:1668 */ + { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); } +#line 2619 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 93: +#line 627 "src/parse-gram.y" /* yacc.c:1668 */ + { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); } +#line 2625 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 94: +#line 629 "src/parse-gram.y" /* yacc.c:1668 */ + { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); } +#line 2631 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 95: +#line 633 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.named_ref) = 0; } +#line 2637 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 96: +#line 634 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.named_ref) = named_ref_new((yyvsp[0].uniqstr), (yylsp[0])); } +#line 2643 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 98: +#line 645 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.uniqstr) = uniqstr_new ((yyvsp[0].chars)); } +#line 2649 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 99: +#line 670 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.value).kind = muscle_keyword; (yyval.value).chars = ""; } +#line 2655 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 100: +#line 671 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.value).kind = muscle_keyword; (yyval.value).chars = (yyvsp[0].uniqstr); } +#line 2661 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 101: +#line 672 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.value).kind = muscle_string; (yyval.value).chars = (yyvsp[0].chars); } +#line 2667 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 102: +#line 673 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.value).kind = muscle_code; (yyval.value).chars = (yyvsp[0].chars); } +#line 2673 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 103: +#line 683 "src/parse-gram.y" /* yacc.c:1668 */ + { + code_props plain_code; + (yyvsp[0].code)[strlen ((yyvsp[0].code)) - 1] = '\0'; + 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; } -#endif +#line 2686 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 104: +#line 703 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); } +#line 2692 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 105: +#line 705 "src/parse-gram.y" /* yacc.c:1668 */ + { + (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 2702 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 106: +#line 713 "src/parse-gram.y" /* yacc.c:1668 */ + { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); } +#line 2708 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 109: +#line 725 "src/parse-gram.y" /* yacc.c:1668 */ + { + (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 2717 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + case 111: +#line 734 "src/parse-gram.y" /* yacc.c:1668 */ + { + 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 (); + } +#line 2730 "src/parse-gram.c" /* yacc.c:1668 */ + break; + + +#line 2734 "src/parse-gram.c" /* yacc.c:1668 */ + 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 + /* Now 'shift' the result of the reduction. Determine what state that goes to, based on the state we popped back to and the rule number reduced by. */ yyn = yyr1[yyn]; yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; - if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else yystate = yydefgoto[yyn - YYNTOKENS]; @@ -1561,153 +2771,152 @@ yyreduce: goto yynewstate; -/*------------------------------------. -| yyerrlab -- here on detecting error | -`------------------------------------*/ +/*--------------------------------------. +| 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; - -#if 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 /* YYERROR_VERBOSE */ - yyerror ("parse error"); +#if ! YYERROR_VERBOSE + yyerror (&yylloc, 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 (&yylloc, 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. */ +/*---------------------------------------------------. +| 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 whose action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ for (;;) { yyn = yypact[yystate]; - if (yyn != YYFLAG) - { - yyn += YYTERROR; - if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) - { - yyn = yytable[yyn]; - if (0 < yyn) - break; - } - } + 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; - -#if YYDEBUG - if (yydebug) - { - if (yystos[yystate] < YYNTOKENS) - { - YYFPRINTF (stderr, "Error: popping token %d (%s", - yytoknum[yystos[yystate]], yytname[yystos[yystate]]); -# ifdef YYPRINT - YYPRINT (stderr, yytoknum[yystos[yystate]], *yyvsp); -# endif - YYFPRINTF (stderr, ")\n"); - } - else - { - YYFPRINTF (stderr, "Error: popping nonterminal (%s)\n", - yytname[yystos[yystate]]); - } - } -#endif - - yyvsp--; - yystate = *--yyssp; -#if YYLSP_NEEDED - yylsp--; -#endif - -#if YYDEBUG - if (yydebug) - { - short *yyssp1 = yyss - 1; - YYFPRINTF (stderr, "Error: state stack now"); - while (yyssp1 != yyssp) - YYFPRINTF (stderr, " %d", *++yyssp1); - YYFPRINTF (stderr, "\n"); - } -#endif + YYABORT; + + yyerror_range[1] = *yylsp; + yydestruct ("Error: popping", + yystos[yystate], yyvsp, yylsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); } - if (yyn == YYFINAL) - YYACCEPT; - - YYDPRINTF ((stderr, "Shifting error token, ")); + /* 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"); + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN *++yyvsp = yylval; -#if YYLSP_NEEDED - *++yylsp = yylloc; -#endif + YY_IGNORE_MAYBE_UNINITIALIZED_END + + 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; + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); yystate = yyn; goto yynewstate; @@ -1727,70 +2936,158 @@ yyabortlab: yyresult = 1; goto yyreturn; -/*---------------------------------------------. -| yyoverflowab -- parser overflow comes here. | -`---------------------------------------------*/ -yyoverflowlab: - yyerror ("parser stack overflow"); +#if 1 +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (&yylloc, 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 whose action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp, yylsp); + YYPOPSTACK (1); + } #ifndef yyoverflow if (yyss != yyssa) YYSTACK_FREE (yyss); +#endif + if (yyes != yyesa) + YYSTACK_FREE (yyes); +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); #endif return yyresult; } +#line 744 "src/parse-gram.y" /* yacc.c:1928 */ -#line 365 "parse-gram.y" -/*------------------------------------------------------------------. -| When debugging the parser, display tokens' locations and values. | -`------------------------------------------------------------------*/ +/* 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. */ + --p; + while (c_isspace ((unsigned char) *p)) + --p; + p[1] = '\0'; + ++decl; + while (c_isspace ((unsigned char) *decl)) + ++decl; + } + + if (! name_start) + complain (&loc, complaint, _("missing identifier in parameter declaration")); + else + { + char *name = xmemdup0 (name_start, strspn (name_start, alphanum)); + 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 (); +} + 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 (loc, complaint, "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 (loc, complaint, "%s", msg); +} + +char const * +token_name (int type) { - LOCATION_PRINT (stderr, *yylloc); - fprintf (stderr, ": %s\n", msg); + return yytname[YYTRANSLATE (type)]; } +static char const * +char_name (char c) +{ + if (c == '\'') + return "'\\''"; + else + { + char buf[4]; + buf[0] = '\''; buf[1] = c; buf[2] = '\''; buf[3] = '\0'; + return quotearg_style (escape_quoting_style, buf); + } +}