/* A Bison parser, made by GNU Bison 3.0.4. */ /* Bison implementation for Yacc-like parsers in C Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /* As a special exception, you may create a larger work that contains part or all of the Bison parser skeleton and distribute that work under terms of your choice, so long as that work isn't itself a parser generator using the skeleton or a modified version thereof as a parser skeleton. Alternatively, if you modify or redistribute the parser skeleton itself, you may (at your option) remove this special exception, which will cause the skeleton and the resulting Bison output files to be licensed under the GNU General Public License without this special exception. This special exception was added by the Free Software Foundation in version 2.2 of Bison. */ /* C LALR(1) parser skeleton written by Richard Stallman, by simplifying the original so-called "semantic" parser. */ /* All symbols defined below should begin with yy or YY, to avoid infringing on user name space. This should be done even for local variables, as they might otherwise be expanded by user macros. There are some unavoidable exceptions within include files to define necessary library symbols; they are noted "INFRINGES ON USER NAME SPACE" below. */ /* Identify Bison output. */ #define YYBISON 1 /* Bison version. */ #define YYBISON_VERSION "3.0.4" /* Skeleton name. */ #define YYSKELETON_NAME "yacc.c" /* Pure parsers. */ #define YYPURE 0 /* Push parsers. */ #define YYPUSH 0 /* Pull parsers. */ #define YYPULL 1 /* Copy the first part of user declarations. */ #line 1 "grammar.y" /* yacc.c:339 */ /* GNU Mailutils -- a suite of utilities for electronic mail Copyright (C) 2005-2021 Free Software Foundation, Inc. GNU Mailutils 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, or (at your option) any later version. GNU Mailutils 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 GNU Mailutils. If not, see . */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #include static void yyprint (FILE *output, unsigned short toknum, YYSTYPE val) { switch (toknum) { case TYPE: case IDENT: case STRING: fprintf (output, "[%lu] %s", (unsigned long) val.string.len, val.string.ptr); break; case EOL: fprintf (output, "\\n"); break; default: if (mu_isprint (toknum)) fprintf (output, "'%c'", toknum); else fprintf (output, "tok(%d)", toknum); break; } } #define YYPRINT yyprint static mu_list_t arg_list; /* For error recovery */ #define L_OR 0 #define L_AND 1 enum node_type { true_node, functional_node, binary_node, negation_node, suffix_node }; union argument { struct mimetypes_string *string; unsigned number; int c; regex_t rx; }; typedef int (*builtin_t) (union argument *args); struct node { enum node_type type; struct mu_locus_range loc; union { struct { builtin_t fun; union argument *args; } function; struct node *arg; struct { int op; struct node *arg1; struct node *arg2; } bin; struct mimetypes_string suffix; } v; }; static struct node *make_node (enum node_type type, struct mu_locus_range const *loc); static struct node *make_binary_node (int op, struct node *left, struct node *rigth, struct mu_locus_range const *loc); static struct node *make_negation_node (struct node *p, struct mu_locus_range const *loc); static struct node *make_suffix_node (struct mimetypes_string *suffix, struct mu_locus_range const *loc); static struct node *make_functional_node (char *ident, mu_list_t list, struct mu_locus_range const *loc); static int eval_rule (struct node *root); struct rule_tab { char *type; int priority; struct mu_locus_range loc; struct node *node; }; static mu_list_t rule_list; static size_t errors; #line 192 "grammar.c" /* yacc.c:339 */ # ifndef YY_NULLPTR # if defined __cplusplus && 201103L <= __cplusplus # define YY_NULLPTR nullptr # else # define YY_NULLPTR 0 # endif # endif /* Enabling verbose error messages. */ #ifdef YYERROR_VERBOSE # undef YYERROR_VERBOSE # define YYERROR_VERBOSE 1 #else # define YYERROR_VERBOSE 0 #endif /* In a future release of Bison, this section will be replaced by #include "y.tab.h". */ #ifndef YY_YY_Y_TAB_H_INCLUDED # define YY_YY_Y_TAB_H_INCLUDED /* Debug traces. */ #ifndef YYDEBUG # define YYDEBUG 1 #endif #if YYDEBUG extern int mimetypes_yydebug; #endif /* Token type. */ #ifndef YYTOKENTYPE # define YYTOKENTYPE enum yytokentype { TYPE = 258, IDENT = 259, STRING = 260, EOL = 261, BOGUS = 262, PRIORITY = 263 }; #endif /* Tokens. */ #define TYPE 258 #define IDENT 259 #define STRING 260 #define EOL 261 #define BOGUS 262 #define PRIORITY 263 /* Value type. */ #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED union YYSTYPE { #line 142 "grammar.y" /* yacc.c:355 */ struct mimetypes_string string; char *s; mu_list_t list; int result; struct node *node; #line 256 "grammar.c" /* yacc.c:355 */ }; typedef union YYSTYPE YYSTYPE; # define YYSTYPE_IS_TRIVIAL 1 # define YYSTYPE_IS_DECLARED 1 #endif /* Location type. */ #if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED typedef struct YYLTYPE YYLTYPE; struct YYLTYPE { int first_line; int first_column; int last_line; int last_column; }; # define YYLTYPE_IS_DECLARED 1 # define YYLTYPE_IS_TRIVIAL 1 #endif extern YYSTYPE mimetypes_yylval; extern YYLTYPE mimetypes_yylloc; int mimetypes_yyparse (void); #endif /* !YY_YY_Y_TAB_H_INCLUDED */ /* Copy the second part of user declarations. */ #line 287 "grammar.c" /* yacc.c:358 */ #ifdef short # undef short #endif #ifdef YYTYPE_UINT8 typedef YYTYPE_UINT8 yytype_uint8; #else typedef unsigned char yytype_uint8; #endif #ifdef YYTYPE_INT8 typedef YYTYPE_INT8 yytype_int8; #else typedef signed char yytype_int8; #endif #ifdef YYTYPE_UINT16 typedef YYTYPE_UINT16 yytype_uint16; #else typedef unsigned short int yytype_uint16; #endif #ifdef YYTYPE_INT16 typedef YYTYPE_INT16 yytype_int16; #else typedef short int yytype_int16; #endif #ifndef YYSIZE_T # ifdef __SIZE_TYPE__ # define YYSIZE_T __SIZE_TYPE__ # elif defined size_t # define YYSIZE_T size_t # elif ! defined YYSIZE_T # include /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t # else # define YYSIZE_T unsigned int # endif #endif #define YYSIZE_MAXIMUM ((YYSIZE_T) -1) #ifndef YY_ # if defined YYENABLE_NLS && YYENABLE_NLS # if ENABLE_NLS # include /* INFRINGES ON USER NAME SPACE */ # define YY_(Msgid) dgettext ("bison-runtime", Msgid) # endif # endif # ifndef YY_ # define YY_(Msgid) Msgid # endif #endif #ifndef YY_ATTRIBUTE # if (defined __GNUC__ \ && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__))) \ || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C # define YY_ATTRIBUTE(Spec) __attribute__(Spec) # else # define YY_ATTRIBUTE(Spec) /* empty */ # endif #endif #ifndef YY_ATTRIBUTE_PURE # define YY_ATTRIBUTE_PURE YY_ATTRIBUTE ((__pure__)) #endif #ifndef YY_ATTRIBUTE_UNUSED # define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__)) #endif #if !defined _Noreturn \ && (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112) # if defined _MSC_VER && 1200 <= _MSC_VER # define _Noreturn __declspec (noreturn) # else # define _Noreturn YY_ATTRIBUTE ((__noreturn__)) # endif #endif /* Suppress unused-variable warnings by "using" E. */ #if ! defined lint || defined __GNUC__ # define YYUSE(E) ((void) (E)) #else # define YYUSE(E) /* empty */ #endif #if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__ /* Suppress an incorrect diagnostic about mimetypes_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 YY_INITIAL_VALUE(Value) Value #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 #if ! defined yyoverflow || YYERROR_VERBOSE /* The parser invokes alloca or malloc; define the necessary symbols. */ # ifdef YYSTACK_USE_ALLOCA # if YYSTACK_USE_ALLOCA # ifdef __GNUC__ # define YYSTACK_ALLOC __builtin_alloca # elif defined __BUILTIN_VA_ARG_INCR # include /* INFRINGES ON USER NAME SPACE */ # elif defined _AIX # define YYSTACK_ALLOC __alloca # elif defined _MSC_VER # include /* INFRINGES ON USER NAME SPACE */ # define alloca _alloca # else # define YYSTACK_ALLOC alloca # if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS # include /* INFRINGES ON USER NAME SPACE */ /* Use EXIT_SUCCESS as a witness for stdlib.h. */ # ifndef EXIT_SUCCESS # define EXIT_SUCCESS 0 # endif # endif # endif # endif # endif # ifdef YYSTACK_ALLOC /* Pacify GCC's 'empty if-body' warning. */ # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) # ifndef YYSTACK_ALLOC_MAXIMUM /* The OS might guarantee only one guard page at the bottom of the stack, and a page size can be as small as 4096 bytes. So we cannot safely invoke alloca (N) if N exceeds 4096. Use a slightly smaller number to allow for a few compiler-allocated temporary stack slots. */ # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ # endif # else # define YYSTACK_ALLOC YYMALLOC # define YYSTACK_FREE YYFREE # ifndef YYSTACK_ALLOC_MAXIMUM # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM # endif # if (defined __cplusplus && ! defined EXIT_SUCCESS \ && ! ((defined YYMALLOC || defined malloc) \ && (defined YYFREE || defined free))) # include /* INFRINGES ON USER NAME SPACE */ # ifndef EXIT_SUCCESS # define EXIT_SUCCESS 0 # endif # endif # ifndef YYMALLOC # define YYMALLOC malloc # if ! defined malloc && ! defined EXIT_SUCCESS 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 # endif #endif /* ! defined yyoverflow || YYERROR_VERBOSE */ #if (! defined yyoverflow \ && (! defined __cplusplus \ || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \ && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) /* A type that is properly aligned for any stack member. */ union mimetypes_yyalloc { yytype_int16 yyss_alloc; YYSTYPE yyvs_alloc; YYLTYPE yyls_alloc; }; /* The size of the maximum gap between one aligned stack and the next. */ # define YYSTACK_GAP_MAXIMUM (sizeof (union mimetypes_yyalloc) - 1) /* The size of an array large to enough to hold all stacks, each with N elements. */ # define YYSTACK_BYTES(N) \ ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + 2 * YYSTACK_GAP_MAXIMUM) # define YYCOPY_NEEDED 1 /* Relocate STACK from its old location to the new one. The local variables YYSIZE and YYSTACKSIZE give the old and new number of elements in the stack, and YYPTR gives the new location of the stack. Advance YYPTR to a properly aligned location for the next stack. */ # define YYSTACK_RELOCATE(Stack_alloc, Stack) \ do \ { \ YYSIZE_T yynewbytes; \ YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ Stack = &yyptr->Stack_alloc; \ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ yyptr += yynewbytes / sizeof (*yyptr); \ } \ while (0) #endif #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 16 /* YYLAST -- Last index in YYTABLE. */ #define YYLAST 58 /* YYNTOKENS -- Number of terminals. */ #define YYNTOKENS 14 /* YYNNTS -- Number of nonterminals. */ #define YYNNTS 12 /* YYNRULES -- Number of rules. */ #define YYNRULES 27 /* YYNSTATES -- Number of states. */ #define YYNSTATES 41 /* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned by mimetypes_yylex, with out-of-bounds checking. */ #define YYUNDEFTOK 2 #define YYMAXUTOK 263 #define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) /* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM as returned by mimetypes_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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 11, 2, 2, 2, 2, 2, 2, 12, 13, 2, 10, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, 5, 6, 7, 8 }; #if YYDEBUG /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ static const yytype_uint16 yyrline[] = { 0, 152, 152, 155, 156, 159, 160, 176, 180, 192, 195, 198, 199, 206, 213, 222, 226, 230, 234, 235, 241, 259, 262, 265, 277, 283, 290, 291 }; #endif #if YYDEBUG || YYERROR_VERBOSE || 0 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { "$end", "error", "$undefined", "TYPE", "IDENT", "STRING", "EOL", "BOGUS", "PRIORITY", "','", "'+'", "'!'", "'('", "')'", "$accept", "input", "list", "rule_line", "maybe_rule", "rule", "stmt", "priority", "maybe_priority", "function", "arglist", "arg", YY_NULLPTR }; #endif # 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, 44, 43, 33, 40, 41 }; # endif #define YYPACT_NINF -8 #define yypact_value_is_default(Yystate) \ (!!((Yystate) == (-8))) #define YYTABLE_NINF -6 #define yytable_value_is_error(Yytable_value) \ 0 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ static const yytype_int8 mimetypes_yypact[] = { 51, -8, 38, -8, 16, -5, -8, 5, -8, -8, 38, 38, 10, 20, -8, -8, -8, 51, -3, -8, 1, 8, -8, -8, 38, 38, 29, -8, -8, -8, -6, -8, -8, -3, 29, 38, -3, -8, 6, -8, -8 }; /* 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, 8, 9, 7, 0, 2, 3, 0, 17, 19, 0, 0, 21, 10, 11, 18, 1, 0, 0, 15, 0, 0, 22, 6, 0, 0, 12, 4, 26, 27, 0, 24, 16, 0, 13, 14, 0, 23, 0, 25, 20 }; /* YYPGOTO[NTERM-NUM]. */ static const yytype_int8 yypgoto[] = { -8, -8, -8, 4, -8, -2, 18, -8, -8, -8, -7, -1 }; /* YYDEFGOTO[NTERM-NUM]. */ static const yytype_int8 yydefgoto[] = { -1, 4, 5, 6, 12, 26, 14, 22, 23, 15, 30, 31 }; /* 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_int8 mimetypes_yytable[] = { 13, 17, 28, 36, 29, 7, 8, 37, 9, 20, 24, 25, 10, 11, 32, 36, 16, 18, 21, 40, 33, 27, 34, 35, 7, 8, 38, 9, 19, 24, 25, 10, 11, 7, 8, 39, 9, 0, 0, 25, 10, 11, 7, 8, 0, 9, 0, 0, 0, 10, 11, -5, 1, 0, 2, 0, 0, -5, 3 }; static const yytype_int8 mimetypes_yycheck[] = { 2, 6, 5, 9, 7, 4, 5, 13, 7, 11, 9, 10, 11, 12, 13, 9, 0, 12, 8, 13, 12, 17, 24, 25, 4, 5, 33, 7, 10, 9, 10, 11, 12, 4, 5, 36, 7, -1, -1, 10, 11, 12, 4, 5, -1, 7, -1, -1, -1, 11, 12, 0, 1, -1, 3, -1, -1, 6, 7 }; /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ static const yytype_uint8 yystos[] = { 0, 1, 3, 7, 15, 16, 17, 4, 5, 7, 11, 12, 18, 19, 20, 23, 0, 6, 12, 20, 19, 8, 21, 22, 9, 10, 19, 17, 5, 7, 24, 25, 13, 12, 19, 19, 9, 13, 24, 25, 13 }; /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const yytype_uint8 mimetypes_yyr1[] = { 0, 14, 15, 16, 16, 17, 17, 17, 17, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 20, 21, 22, 22, 23, 24, 24, 25, 25 }; /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */ static const yytype_uint8 mimetypes_yyr2[] = { 0, 2, 1, 1, 3, 0, 3, 1, 1, 0, 1, 1, 2, 3, 3, 2, 3, 1, 1, 1, 4, 0, 1, 4, 1, 3, 1, 1 }; #define yyerrok (yyerrstatus = 0) #define yyclearin (mimetypes_yychar = YYEMPTY) #define YYEMPTY (-2) #define YYEOF 0 #define YYACCEPT goto yyacceptlab #define YYABORT goto yyabortlab #define YYERROR goto yyerrorlab #define YYRECOVERING() (!!yyerrstatus) #define YYBACKUP(Token, Value) \ do \ if (mimetypes_yychar == YYEMPTY) \ { \ mimetypes_yychar = (Token); \ mimetypes_yylval = (Value); \ YYPOPSTACK (mimetypes_yylen); \ mimetypes_yystate = *yyssp; \ goto yybackup; \ } \ else \ { \ mimetypes_yyerror (YY_("syntax error: cannot back up")); \ YYERROR; \ } \ while (0) /* Error token number */ #define YYTERROR 1 #define YYERRCODE 256 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. If N is 0, then set CURRENT to the empty location which ends the previous symbol: RHS[0] (always defined). */ #ifndef YYLLOC_DEFAULT # 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 #define YYRHSLOC(Rhs, K) ((Rhs)[K]) /* Enable debugging if requested. */ #if YYDEBUG # ifndef YYFPRINTF # include /* INFRINGES ON USER NAME SPACE */ # define YYFPRINTF fprintf # endif # define YYDPRINTF(Args) \ do { \ if (mimetypes_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 YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL /* Print *YYLOCP on YYO. Private, do not rely on its existence. */ YY_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 (mimetypes_yydebug) \ { \ YYFPRINTF (stderr, "%s ", Title); \ yy_symbol_print (stderr, \ Type, Value, Location); \ YYFPRINTF (stderr, "\n"); \ } \ } while (0) /*----------------------------------------. | Print this symbol's value 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 YYUSE (yytype); } /*--------------------------------. | 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 (mimetypes_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 mimetypes_yyrule) { unsigned long int yylno = yyrline[mimetypes_yyrule]; int yynrhs = mimetypes_yyr2[mimetypes_yyrule]; int yyi; YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", mimetypes_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 (mimetypes_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 mimetypes_yydebug; #else /* !YYDEBUG */ # define YYDPRINTF(Args) # define YY_SYMBOL_PRINT(Title, Type, Value, Location) # define YY_STACK_PRINT(Bottom, Top) # define YY_REDUCE_PRINT(Rule) #endif /* !YYDEBUG */ /* YYINITDEPTH -- initial size of the parser's stacks. */ #ifndef YYINITDEPTH # define YYINITDEPTH 200 #endif /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only if the built-in stack extension method is used). Do not make this value too large; the results are undefined if YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) evaluated with infinite-precision integer arithmetic. */ #ifndef YYMAXDEPTH # define YYMAXDEPTH 10000 #endif #if YYERROR_VERBOSE # ifndef yystrlen # if defined __GLIBC__ && defined _STRING_H # define yystrlen strlen # else /* Return the length of YYSTR. */ static YYSIZE_T yystrlen (const char *yystr) { YYSIZE_T mimetypes_yylen; for (mimetypes_yylen = 0; yystr[mimetypes_yylen]; mimetypes_yylen++) continue; return mimetypes_yylen; } # endif # endif # ifndef yystpcpy # 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 * yystpcpy (char *yydest, const char *yysrc) { char *yyd = yydest; const char *mimetypes_yys = yysrc; while ((*yyd++ = *mimetypes_yys++) != '\0') continue; return yyd - 1; } # endif # endif # ifndef yytnamerr /* Copy to YYRES the contents of YYSTR after stripping away unnecessary quotes and backslashes, so that it's suitable for mimetypes_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: ; } if (! yyres) return yystrlen (yystr); return yystpcpy (yyres, yystr) - yyres; } # endif /* 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. 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. */ static int yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, yytype_int16 *yyssp, int yytoken) { YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]); YYSIZE_T yysize = yysize0; enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; /* Internationalized format string. */ const char *yyformat = YY_NULLPTR; /* 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 mimetypes_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 mimetypes_yychar. - Of course, the expected token list depends on states to have correct lookahead information, and it depends on the parser not to perform extra reductions after fetching a lookahead from the scanner and before detecting a syntax error. Thus, state merging (from LALR or IELR) and default reductions corrupt the expected token list. However, the list is correct for canonical LR with one exception: it will still contain any token that will not be accepted due to an error action in a later state. */ if (yytoken != YYEMPTY) { int yyn = mimetypes_yypact[*yyssp]; yyarg[yycount++] = yytname[yytoken]; if (!yypact_value_is_default (yyn)) { /* Start YYX at -YYN if negative to avoid negative indexes in YYCHECK. In other words, skip the first -YYN actions for this state because they are default actions. */ int yyxbegin = yyn < 0 ? -yyn : 0; /* Stay within bounds of both mimetypes_yycheck and yytname. */ int yychecklim = YYLAST - yyn + 1; int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; int yyx; for (yyx = yyxbegin; yyx < yyxend; ++yyx) if (mimetypes_yycheck[yyx + yyn] == yyx && yyx != YYTERROR && !yytable_value_is_error (mimetypes_yytable[yyx + yyn])) { if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) { yycount = 1; yysize = yysize0; break; } yyarg[yycount++] = yytname[yyx]; { YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]); if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) return 2; yysize = yysize1; } } } } 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_ } { YYSIZE_T yysize1 = yysize + yystrlen (yyformat); if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) return 2; yysize = yysize1; } if (*yymsg_alloc < yysize) { *yymsg_alloc = 2 * yysize; if (! (yysize <= *yymsg_alloc && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; return 1; } /* 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) { YYUSE (yyvaluep); YYUSE (yylocationp); if (!yymsg) yymsg = "Deleting"; YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN YYUSE (yytype); YY_IGNORE_MAYBE_UNINITIALIZED_END } /* The lookahead symbol. */ int mimetypes_yychar; /* The semantic value of the lookahead symbol. */ YYSTYPE mimetypes_yylval; /* Location data for the lookahead symbol. */ YYLTYPE mimetypes_yylloc # if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL = { 1, 1, 1, 1 } # endif ; /* Number of syntax errors so far. */ int mimetypes_yynerrs; /*----------. | mimetypes_yyparse. | `----------*/ int mimetypes_yyparse (void) { int mimetypes_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; 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 mimetypes_yyval; 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 #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 mimetypes_yylen = 0; yyssp = yyss = yyssa; yyvsp = yyvs = yyvsa; yylsp = yyls = yylsa; yystacksize = YYINITDEPTH; YYDPRINTF ((stderr, "Starting parse\n")); mimetypes_yystate = 0; yyerrstatus = 0; mimetypes_yynerrs = 0; mimetypes_yychar = YYEMPTY; /* Cause a token to be read. */ yylsp[0] = mimetypes_yylloc; goto yysetstate; /*------------------------------------------------------------. | yynewstate -- Push a new state, which is found in mimetypes_yystate. | `------------------------------------------------------------*/ 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. */ yyssp++; yysetstate: *yyssp = mimetypes_yystate; 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; 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 yyexhaustedlab; # else /* Extend the stack our own way. */ if (YYMAXDEPTH <= yystacksize) goto yyexhaustedlab; yystacksize *= 2; if (YYMAXDEPTH < yystacksize) yystacksize = YYMAXDEPTH; { yytype_int16 *yyss1 = yyss; union mimetypes_yyalloc *yyptr = (union mimetypes_yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); if (! yyptr) goto yyexhaustedlab; YYSTACK_RELOCATE (yyss_alloc, yyss); YYSTACK_RELOCATE (yyvs_alloc, yyvs); YYSTACK_RELOCATE (yyls_alloc, yyls); # undef YYSTACK_RELOCATE if (yyss1 != yyssa) YYSTACK_FREE (yyss1); } # endif #endif /* no yyoverflow */ yyssp = yyss + yysize - 1; yyvsp = yyvs + yysize - 1; yylsp = yyls + yysize - 1; YYDPRINTF ((stderr, "Stack size increased to %lu\n", (unsigned long int) yystacksize)); if (yyss + yystacksize - 1 <= yyssp) YYABORT; } YYDPRINTF ((stderr, "Entering state %d\n", mimetypes_yystate)); if (mimetypes_yystate == YYFINAL) YYACCEPT; goto yybackup; /*-----------. | yybackup. | `-----------*/ yybackup: /* Do appropriate processing given the current state. Read a lookahead token if we need one and don't already have one. */ /* First try to decide what to do without reference to lookahead token. */ yyn = mimetypes_yypact[mimetypes_yystate]; 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 lookahead symbol. */ if (mimetypes_yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); mimetypes_yychar = mimetypes_yylex (); } if (mimetypes_yychar <= YYEOF) { mimetypes_yychar = yytoken = YYEOF; YYDPRINTF ((stderr, "Now at end of input.\n")); } else { yytoken = YYTRANSLATE (mimetypes_yychar); YY_SYMBOL_PRINT ("Next token is", yytoken, &mimetypes_yylval, &mimetypes_yylloc); } /* 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 || mimetypes_yycheck[yyn] != yytoken) goto yydefault; yyn = mimetypes_yytable[yyn]; if (yyn <= 0) { if (yytable_value_is_error (yyn)) goto yyerrlab; yyn = -yyn; goto yyreduce; } /* Count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; /* Shift the lookahead token. */ YY_SYMBOL_PRINT ("Shifting", yytoken, &mimetypes_yylval, &mimetypes_yylloc); /* Discard the shifted token. */ mimetypes_yychar = YYEMPTY; mimetypes_yystate = yyn; YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN *++yyvsp = mimetypes_yylval; YY_IGNORE_MAYBE_UNINITIALIZED_END *++yylsp = mimetypes_yylloc; goto yynewstate; /*-----------------------------------------------------------. | yydefault -- do the default action for the current state. | `-----------------------------------------------------------*/ yydefault: yyn = yydefact[mimetypes_yystate]; if (yyn == 0) goto yyerrlab; goto yyreduce; /*-----------------------------. | yyreduce -- Do a reduction. | `-----------------------------*/ yyreduce: /* yyn is the number of a rule to reduce with. */ mimetypes_yylen = mimetypes_yyr2[yyn]; /* If YYLEN is nonzero, implement the default value of the action: '$$ = $1'. Otherwise, the following line sets YYVAL to garbage. This behavior is undocumented and Bison users should not rely upon it. Assigning to YYVAL unconditionally makes the parser a bit smaller, and it avoids a GCC warning that YYVAL may be used uninitialized. */ mimetypes_yyval = yyvsp[1-mimetypes_yylen]; /* Default location. */ YYLLOC_DEFAULT (yyloc, (yylsp - mimetypes_yylen), mimetypes_yylen); YY_REDUCE_PRINT (yyn); switch (yyn) { case 6: #line 161 "grammar.y" /* yacc.c:1646 */ { struct rule_tab *p = mimetypes_malloc (sizeof (*p)); if (!rule_list) mu_list_create (&rule_list); p->type = (yyvsp[-2].string).ptr; p->node = (yyvsp[-1].node); p->priority = (yyvsp[0].result); mu_locus_point_copy (&p->loc.beg, &(yylsp[-2]).beg); mu_locus_point_copy (&p->loc.end, &(yylsp[0]).end); #if 0 YY_LOCATION_PRINT (stderr, p->loc); fprintf (stderr, ": rule %s\n", p->type); #endif mu_list_append (rule_list, p); } #line 1495 "grammar.c" /* yacc.c:1646 */ break; case 7: #line 177 "grammar.y" /* yacc.c:1646 */ { YYERROR; } #line 1503 "grammar.c" /* yacc.c:1646 */ break; case 8: #line 181 "grammar.y" /* yacc.c:1646 */ { errors++; if (arg_list) mu_list_destroy (&arg_list); lex_next_rule (); yyerrok; yyclearin; } #line 1516 "grammar.c" /* yacc.c:1646 */ break; case 9: #line 192 "grammar.y" /* yacc.c:1646 */ { (mimetypes_yyval.node) = make_node (true_node, &mimetypes_yylloc); } #line 1524 "grammar.c" /* yacc.c:1646 */ break; case 12: #line 200 "grammar.y" /* yacc.c:1646 */ { struct mu_locus_range lr; lr.beg = (yylsp[-1]).beg; lr.end = (yylsp[0]).end; (mimetypes_yyval.node) = make_binary_node (L_OR, (yyvsp[-1].node), (yyvsp[0].node), &lr); } #line 1535 "grammar.c" /* yacc.c:1646 */ break; case 13: #line 207 "grammar.y" /* yacc.c:1646 */ { struct mu_locus_range lr; lr.beg = (yylsp[-2]).beg; lr.end = (yylsp[0]).end; (mimetypes_yyval.node) = make_binary_node (L_OR, (yyvsp[-2].node), (yyvsp[0].node), &lr); } #line 1546 "grammar.c" /* yacc.c:1646 */ break; case 14: #line 214 "grammar.y" /* yacc.c:1646 */ { struct mu_locus_range lr; lr.beg = (yylsp[-2]).beg; lr.end = (yylsp[0]).end; (mimetypes_yyval.node) = make_binary_node (L_AND, (yyvsp[-2].node), (yyvsp[0].node), &lr); } #line 1557 "grammar.c" /* yacc.c:1646 */ break; case 15: #line 223 "grammar.y" /* yacc.c:1646 */ { (mimetypes_yyval.node) = make_negation_node ((yyvsp[0].node), &(yylsp[0])); } #line 1565 "grammar.c" /* yacc.c:1646 */ break; case 16: #line 227 "grammar.y" /* yacc.c:1646 */ { (mimetypes_yyval.node) = (yyvsp[-1].node); } #line 1573 "grammar.c" /* yacc.c:1646 */ break; case 17: #line 231 "grammar.y" /* yacc.c:1646 */ { (mimetypes_yyval.node) = make_suffix_node (&(yyvsp[0].string), &(yylsp[0])); } #line 1581 "grammar.c" /* yacc.c:1646 */ break; case 19: #line 236 "grammar.y" /* yacc.c:1646 */ { YYERROR; } #line 1589 "grammar.c" /* yacc.c:1646 */ break; case 20: #line 242 "grammar.y" /* yacc.c:1646 */ { size_t count = 0; struct mimetypes_string *arg; mu_list_count ((yyvsp[-1].list), &count); if (count != 1) { mimetypes_yyerror (_("priority takes single numberic argument")); YYERROR; } mu_list_head ((yyvsp[-1].list), (void**) &arg); (mimetypes_yyval.result) = atoi (arg->ptr); mu_list_destroy (&(yyvsp[-1].list)); } #line 1608 "grammar.c" /* yacc.c:1646 */ break; case 21: #line 259 "grammar.y" /* yacc.c:1646 */ { (mimetypes_yyval.result) = 100; } #line 1616 "grammar.c" /* yacc.c:1646 */ break; case 23: #line 266 "grammar.y" /* yacc.c:1646 */ { struct mu_locus_range lr; lr.beg = (yylsp[-3]).beg; lr.end = (yylsp[0]).end; (mimetypes_yyval.node) = make_functional_node ((yyvsp[-3].string).ptr, (yyvsp[-1].list), &lr); if (!(mimetypes_yyval.node)) YYERROR; } #line 1630 "grammar.c" /* yacc.c:1646 */ break; case 24: #line 278 "grammar.y" /* yacc.c:1646 */ { mu_list_create (&arg_list); (mimetypes_yyval.list) = arg_list; mu_list_append ((mimetypes_yyval.list), mimetypes_string_dup (&(yyvsp[0].string))); } #line 1640 "grammar.c" /* yacc.c:1646 */ break; case 25: #line 284 "grammar.y" /* yacc.c:1646 */ { mu_list_append ((yyvsp[-2].list), mimetypes_string_dup (&(yyvsp[0].string))); (mimetypes_yyval.list) = (yyvsp[-2].list); } #line 1649 "grammar.c" /* yacc.c:1646 */ break; case 27: #line 292 "grammar.y" /* yacc.c:1646 */ { YYERROR; } #line 1657 "grammar.c" /* yacc.c:1646 */ break; #line 1661 "grammar.c" /* yacc.c:1646 */ default: break; } /* User semantic actions sometimes alter mimetypes_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 mimetypes_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 ("-> $$ =", mimetypes_yyr1[yyn], &mimetypes_yyval, &yyloc); YYPOPSTACK (mimetypes_yylen); mimetypes_yylen = 0; YY_STACK_PRINT (yyss, yyssp); *++yyvsp = mimetypes_yyval; *++yylsp = yyloc; /* 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 = mimetypes_yyr1[yyn]; mimetypes_yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; if (0 <= mimetypes_yystate && mimetypes_yystate <= YYLAST && mimetypes_yycheck[mimetypes_yystate] == *yyssp) mimetypes_yystate = mimetypes_yytable[mimetypes_yystate]; else mimetypes_yystate = yydefgoto[yyn - YYNTOKENS]; goto yynewstate; /*--------------------------------------. | 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 = mimetypes_yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (mimetypes_yychar); /* If not already recovering from an error, report this error. */ if (!yyerrstatus) { ++mimetypes_yynerrs; #if ! YYERROR_VERBOSE mimetypes_yyerror (YY_("syntax error")); #else # define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \ yyssp, yytoken) { char const *yymsgp = YY_("syntax error"); int yysyntax_error_status; 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; } } mimetypes_yyerror (yymsgp); if (yysyntax_error_status == 2) goto yyexhaustedlab; } # undef YYSYNTAX_ERROR #endif } yyerror_range[1] = mimetypes_yylloc; if (yyerrstatus == 3) { /* If just tried and failed to reuse lookahead token after an error, discard it. */ if (mimetypes_yychar <= YYEOF) { /* Return failure if at end of input. */ if (mimetypes_yychar == YYEOF) YYABORT; } else { yydestruct ("Error: discarding", yytoken, &mimetypes_yylval, &mimetypes_yylloc); mimetypes_yychar = YYEMPTY; } } /* Else will try to reuse lookahead token after shifting the error token. */ goto yyerrlab1; /*---------------------------------------------------. | 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-mimetypes_yylen]; /* Do not reclaim the symbols of the rule whose action triggered this YYERROR. */ YYPOPSTACK (mimetypes_yylen); mimetypes_yylen = 0; YY_STACK_PRINT (yyss, yyssp); mimetypes_yystate = *yyssp; goto yyerrlab1; /*-------------------------------------------------------------. | yyerrlab1 -- common code for both syntax error and YYERROR. | `-------------------------------------------------------------*/ yyerrlab1: yyerrstatus = 3; /* Each real token shifted decrements this. */ for (;;) { yyn = mimetypes_yypact[mimetypes_yystate]; if (!yypact_value_is_default (yyn)) { yyn += YYTERROR; if (0 <= yyn && yyn <= YYLAST && mimetypes_yycheck[yyn] == YYTERROR) { yyn = mimetypes_yytable[yyn]; if (0 < yyn) break; } } /* Pop the current state because it cannot handle the error token. */ if (yyssp == yyss) YYABORT; yyerror_range[1] = *yylsp; yydestruct ("Error: popping", yystos[mimetypes_yystate], yyvsp, yylsp); YYPOPSTACK (1); mimetypes_yystate = *yyssp; YY_STACK_PRINT (yyss, yyssp); } YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN *++yyvsp = mimetypes_yylval; YY_IGNORE_MAYBE_UNINITIALIZED_END yyerror_range[2] = mimetypes_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); mimetypes_yystate = yyn; goto yynewstate; /*-------------------------------------. | yyacceptlab -- YYACCEPT comes here. | `-------------------------------------*/ yyacceptlab: yyresult = 0; goto yyreturn; /*-----------------------------------. | yyabortlab -- YYABORT comes here. | `-----------------------------------*/ yyabortlab: yyresult = 1; goto yyreturn; #if !defined yyoverflow || YYERROR_VERBOSE /*-------------------------------------------------. | yyexhaustedlab -- memory exhaustion comes here. | `-------------------------------------------------*/ yyexhaustedlab: mimetypes_yyerror (YY_("memory exhausted")); yyresult = 2; /* Fall through. */ #endif yyreturn: if (mimetypes_yychar != YYEMPTY) { /* Make sure we have latest lookahead translation. See comments at user semantic actions for why this is necessary. */ yytoken = YYTRANSLATE (mimetypes_yychar); yydestruct ("Cleanup: discarding lookahead", yytoken, &mimetypes_yylval, &mimetypes_yylloc); } /* Do not reclaim the symbols of the rule whose action triggered this YYABORT or YYACCEPT. */ YYPOPSTACK (mimetypes_yylen); YY_STACK_PRINT (yyss, yyssp); while (yyssp != yyss) { yydestruct ("Cleanup: popping", yystos[*yyssp], yyvsp, yylsp); YYPOPSTACK (1); } #ifndef yyoverflow if (yyss != yyssa) YYSTACK_FREE (yyss); #endif #if YYERROR_VERBOSE if (yymsg != yymsgbuf) YYSTACK_FREE (yymsg); #endif return yyresult; } #line 297 "grammar.y" /* yacc.c:1906 */ int mimetypes_parse (const char *name) { int rc; if (mimetypes_open (name)) return 1; mimetypes_yydebug = mu_debug_level_p (MU_DEBCAT_APP, MU_DEBUG_TRACE3); rc = mimetypes_yyparse (); mimetypes_close (); return rc || errors; } static struct node * make_node (enum node_type type, struct mu_locus_range const *loc) { struct node *p = mimetypes_malloc (sizeof *p); p->type = type; mu_locus_range_init (&p->loc); mu_locus_range_copy (&p->loc, loc); return p; } static struct node * make_binary_node (int op, struct node *left, struct node *right, struct mu_locus_range const *loc) { struct node *node = make_node (binary_node, loc); node->v.bin.op = op; node->v.bin.arg1 = left; node->v.bin.arg2 = right; return node; } struct node * make_negation_node (struct node *p, struct mu_locus_range const *loc) { struct node *node = make_node (negation_node, loc); node->v.arg = p; return node; } struct node * make_suffix_node (struct mimetypes_string *suffix, struct mu_locus_range const *loc) { struct node *node = make_node (suffix_node, loc); node->v.suffix = *suffix; return node; } struct builtin_tab { char *name; char *args; builtin_t handler; }; /* match("pattern") Pattern match on filename */ static int b_match (union argument *args) { return fnmatch (args[0].string->ptr, mimeview_file, 0) == 0; } /* ascii(offset,length) True if bytes are valid printable ASCII (CR, NL, TAB, BS, 32-126) */ #define ISASCII(c) ((c) &&\ (strchr ("\n\r\t\b",c) \ || (32<=((unsigned) c) && ((unsigned) c)<=126))) static int b_ascii (union argument *args) { int i; int rc; rc = mu_stream_seek (mimeview_stream, args[0].number, MU_SEEK_SET, NULL); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_stream_seek", NULL, rc); return 0; } for (i = 0; i < args[1].number; i++) { unsigned char c; size_t n; rc = mu_stream_read (mimeview_stream, &c, 1, &n); if (rc || n == 0) break; if (!ISASCII (c)) return 0; } return 1; } /* printable(offset,length) True if bytes are printable 8-bit chars (CR, NL, TAB, BS, 32-126, 128-254) */ #define ISPRINT(c) (ISASCII (c) \ || (128<=((unsigned) c) && ((unsigned) c)<=254)) static int b_printable (union argument *args) { int i; int rc; rc = mu_stream_seek (mimeview_stream, args[0].number, MU_SEEK_SET, NULL); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_stream_seek", NULL, rc); return 0; } for (i = 0; i < args[1].number; i++) { unsigned char c; size_t n; rc = mu_stream_read (mimeview_stream, &c, 1, &n); if (rc || n == 0) break; if (!ISPRINT (c)) return 0; } return 1; } /* string(offset,"string") True if bytes are identical to string */ static int b_string (union argument *args) { struct mimetypes_string *str = args[1].string; int i; int rc; rc = mu_stream_seek (mimeview_stream, args[0].number, MU_SEEK_SET, NULL); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_stream_seek", NULL, rc); return 0; } for (i = 0; i < str->len; i++) { char c; size_t n; rc = mu_stream_read (mimeview_stream, &c, 1, &n); if (rc || n == 0 || c != str->ptr[i]) return 0; } return 1; } /* istring(offset,"string") True if a case-insensitive comparison of the bytes is identical */ static int b_istring (union argument *args) { int i; struct mimetypes_string *str = args[1].string; int rc; rc = mu_stream_seek (mimeview_stream, args[0].number, MU_SEEK_SET, NULL); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_stream_seek", NULL, rc); return 0; } for (i = 0; i < str->len; i++) { char c; size_t n; rc = mu_stream_read (mimeview_stream, &c, 1, &n); if (rc || n == 0 || mu_tolower (c) != mu_tolower (str->ptr[i])) return 0; } return 1; } int compare_bytes (union argument *args, void *sample, void *buf, size_t size) { int rc; size_t n; rc = mu_stream_seek (mimeview_stream, args[0].number, MU_SEEK_SET, NULL); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_stream_seek", NULL, rc); return 0; } rc = mu_stream_read (mimeview_stream, buf, size, &n); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_stream_read", NULL, rc); return 0; } else if (n != size) return 0; return memcmp (sample, buf, size) == 0; } /* char(offset,value) True if byte is identical */ static int b_char (union argument *args) { char val = args[1].number; char buf; return compare_bytes (args, &val, &buf, sizeof (buf)); } /* short(offset,value) True if 16-bit integer is identical FIXME: Byte order */ static int b_short (union argument *args) { uint16_t val = args[1].number; uint16_t buf; return compare_bytes (args, &val, &buf, sizeof (buf)); } /* int(offset,value) True if 32-bit integer is identical FIXME: Byte order */ static int b_int (union argument *args) { uint32_t val = args[1].number; uint32_t buf; return compare_bytes (args, &val, &buf, sizeof (buf)); } /* locale("string") True if current locale matches string */ static int b_locale (union argument *args) { abort (); /* FIXME */ return 0; } /* contains(offset,range,"string") True if the range contains the string */ static int b_contains (union argument *args) { size_t i, count; char *buf; struct mimetypes_string *str = args[2].string; int rc; rc = mu_stream_seek (mimeview_stream, args[0].number, MU_SEEK_SET, NULL); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_stream_seek", NULL, rc); return 0; } buf = mu_alloc (args[1].number); rc = mu_stream_read (mimeview_stream, buf, args[1].number, &count); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_stream_read", NULL, rc); } else if (count > str->len) for (i = 0; i <= count - str->len; i++) if (buf[i] == str->ptr[0] && memcmp (buf + i, str->ptr, str->len) == 0) { free (buf); return 1; } free (buf); return 0; } #define MIME_MAX_BUFFER 4096 /* regex(offset,"regex") True if bytes match regular expression */ static int b_regex (union argument *args) { size_t count; int rc; char buf[MIME_MAX_BUFFER]; rc = mu_stream_seek (mimeview_stream, args[0].number, MU_SEEK_SET, NULL); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_stream_seek", NULL, rc); return 0; } rc = mu_stream_read (mimeview_stream, buf, sizeof buf - 1, &count); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_stream_read", NULL, rc); return 0; } buf[count] = 0; return regexec (&args[1].rx, buf, 0, NULL, 0) == 0; } static struct builtin_tab builtin_tab[] = { { "match", "s", b_match }, { "ascii", "dd", b_ascii }, { "printable", "dd", b_printable }, { "regex", "dx", b_regex }, { "string", "ds", b_string }, { "istring", "ds", b_istring }, { "char", "dc", b_char }, { "short", "dd", b_short }, { "int", "dd", b_int }, { "locale", "s", b_locale }, { "contains", "dds", b_contains }, { NULL } }; struct node * make_functional_node (char *ident, mu_list_t list, struct mu_locus_range const *loc) { size_t count, i; struct builtin_tab *p; struct node *node; union argument *args; mu_iterator_t itr; int rc; for (p = builtin_tab; ; p++) { if (!p->name) { char *s; mu_asprintf (&s, _("%s: unknown function"), ident); mimetypes_yyerror (s); free (s); return NULL; } if (strcmp (ident, p->name) == 0) break; } mu_list_count (list, &count); i = strlen (p->args); if (count < i) { char *s; mu_asprintf (&s, _("too few arguments in call to `%s'"), ident); mimetypes_yyerror (s); free (s); return NULL; } else if (count > i) { char *s; mu_asprintf (&s, _("too many arguments in call to `%s'"), ident); mimetypes_yyerror (s); free (s); return NULL; } args = mimetypes_malloc (count * sizeof *args); mu_list_get_iterator (list, &itr); for (i = 0, mu_iterator_first (itr); !mu_iterator_is_done (itr); mu_iterator_next (itr), i++) { struct mimetypes_string *data; char *tmp; mu_iterator_current (itr, (void **)&data); switch (p->args[i]) { case 'd': args[i].number = strtoul (data->ptr, &tmp, 0); if (*tmp) goto err; break; case 's': args[i].string = data; break; case 'x': { char *s; rc = mu_c_str_unescape_trans (data->ptr, "\\\\\"\"a\ab\bf\fn\nr\rt\tv\v", &s); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_c_str_unescape_trans", data->ptr, rc); return NULL; } rc = regcomp (&args[i].rx, s, REG_EXTENDED|REG_NOSUB); free (s); if (rc) { char errbuf[512]; regerror (rc, &args[i].rx, errbuf, sizeof errbuf); mimetypes_yyerror (errbuf); return NULL; } } break; case 'c': args[i].c = strtoul (data->ptr, &tmp, 0); if (*tmp) goto err; break; default: abort (); } } node = make_node (functional_node, loc); node->v.function.fun = p->handler; node->v.function.args = args; return node; err: { char *s; mu_asprintf (&s, _("argument %lu has wrong type in call to `%s'"), (unsigned long) i, ident); mimetypes_yyerror (s); free (s); return NULL; } } static int check_suffix (char *suf) { char *p = strrchr (mimeview_file, '.'); if (!p) return 0; return strcmp (p+1, suf) == 0; } void mime_debug (int lev, struct mu_locus_range const *loc, char const *fmt, ...) { if (mu_debug_level_p (MU_DEBCAT_APP, lev)) { va_list ap; if (loc->beg.mu_col == 0) mu_debug_log_begin ("%s:%u", loc->beg.mu_file, loc->beg.mu_line); else if (strcmp(loc->beg.mu_file, loc->end.mu_file)) mu_debug_log_begin ("%s:%u.%u-%s:%u.%u", loc->beg.mu_file, loc->beg.mu_line, loc->beg.mu_col, loc->end.mu_file, loc->end.mu_line, loc->end.mu_col); else if (loc->beg.mu_line != loc->end.mu_line) mu_debug_log_begin ("%s:%u.%u-%u.%u", loc->beg.mu_file, loc->beg.mu_line, loc->beg.mu_col, loc->end.mu_line, loc->end.mu_col); else if (loc->beg.mu_col != loc->end.mu_col) mu_debug_log_begin ("%s:%u.%u-%u", loc->beg.mu_file, loc->beg.mu_line, loc->beg.mu_col, loc->end.mu_col); else mu_debug_log_begin ("%s:%u.%u", loc->beg.mu_file, loc->beg.mu_line, loc->beg.mu_col); mu_stream_write (mu_strerr, ": ", 2, NULL); va_start (ap, fmt); mu_stream_vprintf (mu_strerr, fmt, ap); va_end (ap); mu_debug_log_nl (); } } static int eval_rule (struct node *root) { int result; switch (root->type) { case true_node: result = 1; break; case functional_node: result = root->v.function.fun (root->v.function.args); break; case binary_node: result = eval_rule (root->v.bin.arg1); switch (root->v.bin.op) { case L_OR: if (!result) result |= eval_rule (root->v.bin.arg2); break; case L_AND: if (result) result &= eval_rule (root->v.bin.arg2); break; default: abort (); } break; case negation_node: result = !eval_rule (root->v.arg); break; case suffix_node: result = check_suffix (root->v.suffix.ptr); break; default: abort (); } mime_debug (MU_DEBUG_TRACE2, &root->loc, "result %s", result ? "true" : "false"); return result; } static int evaluate (void **itmv, size_t itmc, void *call_data) { struct rule_tab *p = itmv[0]; if (eval_rule (p->node)) { itmv[0] = p; mime_debug (MU_DEBUG_TRACE1, &p->loc, "rule %s matches", p->type); return MU_LIST_MAP_OK; } return MU_LIST_MAP_SKIP; } static int rule_cmp (const void *a, const void *b) { struct rule_tab const *arule = a; struct rule_tab const *brule = b; if (arule->priority == brule->priority) { if (arule->node->type == true_node && brule->node->type != true_node) return 1; else if (brule->node->type == true_node && arule->node->type != true_node) return -1; else return mu_c_strcasecmp (arule->type, brule->type); } return arule->priority - brule->priority; } const char * get_file_type () { mu_list_t res = NULL; const char *type = NULL; mu_list_map (rule_list, evaluate, NULL, 1, &res); if (!mu_list_is_empty (res)) { struct rule_tab *rule; mu_list_sort (res, rule_cmp); mu_list_head (res, (void**) &rule); mime_debug (MU_DEBUG_TRACE0, &rule->loc, "selected rule %s", rule->type); type = rule->type; } mu_list_destroy (&res); return type; }