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grammar.c
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/* A Bison parser, made by GNU Bison 3.8.2. */
/* Bison implementation for Yacc-like parsers in C
Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 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 <https://www.gnu.org/licenses/>. */
/* 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. */
/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
especially those whose name start with YY_ or yy_. They are
private implementation details that can be changed or removed. */
/* 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, and Bison version. */
#define YYBISON 30802
/* Bison version string. */
#define YYBISON_VERSION "3.8.2"
/* Skeleton name. */
#define YYSKELETON_NAME "yacc.c"
/* Pure parsers. */
#define YYPURE 1
/* Push parsers. */
#define YYPUSH 0
/* Pull parsers. */
#define YYPULL 1
/* Substitute the variable and function names. */
#define yyparse yara_yyparse
#define yylex yara_yylex
#define yyerror yara_yyerror
#define yydebug yara_yydebug
#define yynerrs yara_yynerrs
/* First part of user prologue. */
#line 32 "grammar.y"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <stdlib.h>
#include <stddef.h>
#include <yara/arena.h>
#include <yara/integers.h>
#include <yara/utils.h>
#include <yara/strutils.h>
#include <yara/compiler.h>
#include <yara/object.h>
#include <yara/sizedstr.h>
#include <yara/exec.h>
#include <yara/error.h>
#include <yara/mem.h>
#include <yara/lexer.h>
#include <yara/parser.h>
#if defined(_MSC_VER)
#define llabs _abs64
#endif
#define YYERROR_VERBOSE
#define YYMALLOC yr_malloc
#define YYFREE yr_free
#define FOR_EXPRESSION_ALL 1
#define FOR_EXPRESSION_ANY 2
#define FOR_EXPRESSION_NONE 3
#define FOR_ITERATION_ITERATOR 1
#define FOR_ITERATION_STRING_SET 2
// fail_with_error() is used in parser actions for aborting the parsing with
// an error. If the error is recoverable (like syntax errors), the parser will
// report the error and continue parsing the next rule. If the error is a
// fatal, non-recoverable error, the parser will be completely aborted.
#define fail_with_error(e) \
{ \
compiler->last_error = e; \
yyerror(yyscanner, compiler, NULL); \
switch (e) \
{ \
case ERROR_INSUFFICIENT_MEMORY: \
YYABORT; \
default: \
YYERROR; \
} \
}
// fail_if_error() is used in parser actions for aborting the parsing if an
// error has occurred. See fail_with_error for details.
#define fail_if_error(e) \
if (e != ERROR_SUCCESS) \
{ \
fail_with_error(e); \
}
// check_type(expression, EXPRESSION_TYPE_INTEGER | EXPRESSION_TYPE_FLOAT) is
// used to ensure that the type of "expression" is either integer or float,
// the cleanup statements are executed if the condition is not met.
#define check_type_with_cleanup(expression, expected_type, op, cleanup) \
if (((expression.type) & (expected_type)) == 0) \
{ \
switch(expression.type) \
{ \
case EXPRESSION_TYPE_INTEGER: \
yr_compiler_set_error_extra_info( \
compiler, "wrong type \"integer\" for " op " operator"); \
break; \
case EXPRESSION_TYPE_FLOAT: \
yr_compiler_set_error_extra_info( \
compiler, "wrong type \"float\" for " op " operator"); \
break; \
case EXPRESSION_TYPE_STRING: \
yr_compiler_set_error_extra_info( \
compiler, "wrong type \"string\" for " op " operator"); \
break; \
case EXPRESSION_TYPE_BOOLEAN: \
yr_compiler_set_error_extra_info( \
compiler, "wrong type \"boolean\" for " op " operator"); \
break; \
} \
cleanup; \
compiler->last_error = ERROR_WRONG_TYPE; \
yyerror(yyscanner, compiler, NULL); \
YYERROR; \
}
// check_type(expression, EXPRESSION_TYPE_INTEGER | EXPRESSION_TYPE_FLOAT) is
// used to ensure that the type of "expression" is either integer or float.
#define check_type(expression, expected_type, op) \
check_type_with_cleanup(expression, expected_type, op, )
#define loop_vars_cleanup(loop_index) \
{ \
YR_LOOP_CONTEXT* loop_ctx = &compiler->loop[loop_index]; \
for (int i = 0; i < loop_ctx->vars_count; i++) \
{ \
yr_free((void*) loop_ctx->vars[i].identifier.ptr); \
loop_ctx->vars[i].identifier.ptr = NULL; \
loop_ctx->vars[i].identifier.ref = YR_ARENA_NULL_REF; \
} \
loop_ctx->vars_count = 0; \
} \
// Given a YR_EXPRESSION returns its identifier. It returns identifier.ptr if
// not NULL and relies on identifier.ref if otherwise.
#define expression_identifier(expr) \
((expr).identifier.ptr != NULL ? \
(expr).identifier.ptr : \
(const char*) yr_arena_ref_to_ptr(compiler->arena, &(expr).identifier.ref))
#define DEFAULT_BASE64_ALPHABET \
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
#line 203 "grammar.c"
# ifndef YY_CAST
# ifdef __cplusplus
# define YY_CAST(Type, Val) static_cast<Type> (Val)
# define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast<Type> (Val)
# else
# define YY_CAST(Type, Val) ((Type) (Val))
# define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val))
# endif
# endif
# ifndef YY_NULLPTR
# if defined __cplusplus
# if 201103L <= __cplusplus
# define YY_NULLPTR nullptr
# else
# define YY_NULLPTR 0
# endif
# else
# define YY_NULLPTR ((void*)0)
# endif
# endif
/* Use api.header.include to #include this header
instead of duplicating it here. */
#ifndef YY_YARA_YY_GRAMMAR_H_INCLUDED
# define YY_YARA_YY_GRAMMAR_H_INCLUDED
/* Debug traces. */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
#if YYDEBUG
extern int yara_yydebug;
#endif
/* Token kinds. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
enum yytokentype
{
YYEMPTY = -2,
_END_OF_FILE_ = 0, /* "end of file" */
YYerror = 256, /* error */
YYUNDEF = 257, /* "invalid token" */
_END_OF_INCLUDED_FILE_ = 258, /* "end of included file" */
_DOT_DOT_ = 259, /* ".." */
_RULE_ = 260, /* "<rule>" */
_PRIVATE_ = 261, /* "<private>" */
_GLOBAL_ = 262, /* "<global>" */
_META_ = 263, /* "<meta>" */
_STRINGS_ = 264, /* "<strings>" */
_CONDITION_ = 265, /* "<condition>" */
_IDENTIFIER_ = 266, /* "identifier" */
_STRING_IDENTIFIER_ = 267, /* "string identifier" */
_STRING_COUNT_ = 268, /* "string count" */
_STRING_OFFSET_ = 269, /* "string offset" */
_STRING_LENGTH_ = 270, /* "string length" */
_STRING_IDENTIFIER_WITH_WILDCARD_ = 271, /* "string identifier with wildcard" */
_NUMBER_ = 272, /* "integer number" */
_DOUBLE_ = 273, /* "floating point number" */
_INTEGER_FUNCTION_ = 274, /* "integer function" */
_TEXT_STRING_ = 275, /* "text string" */
_HEX_STRING_ = 276, /* "hex string" */
_REGEXP_ = 277, /* "regular expression" */
_ASCII_ = 278, /* "<ascii>" */
_WIDE_ = 279, /* "<wide>" */
_XOR_ = 280, /* "<xor>" */
_BASE64_ = 281, /* "<base64>" */
_BASE64_WIDE_ = 282, /* "<base64wide>" */
_NOCASE_ = 283, /* "<nocase>" */
_FULLWORD_ = 284, /* "<fullword>" */
_AT_ = 285, /* "<at>" */
_FILESIZE_ = 286, /* "<filesize>" */
_ENTRYPOINT_ = 287, /* "<entrypoint>" */
_ALL_ = 288, /* "<all>" */
_ANY_ = 289, /* "<any>" */
_NONE_ = 290, /* "<none>" */
_IN_ = 291, /* "<in>" */
_OF_ = 292, /* "<of>" */
_FOR_ = 293, /* "<for>" */
_THEM_ = 294, /* "<them>" */
_MATCHES_ = 295, /* "<matches>" */
_CONTAINS_ = 296, /* "<contains>" */
_STARTSWITH_ = 297, /* "<startswith>" */
_ENDSWITH_ = 298, /* "<endswith>" */
_ICONTAINS_ = 299, /* "<icontains>" */
_ISTARTSWITH_ = 300, /* "<istartswith>" */
_IENDSWITH_ = 301, /* "<iendswith>" */
_IEQUALS_ = 302, /* "<iequals>" */
_IMPORT_ = 303, /* "<import>" */
_TRUE_ = 304, /* "<true>" */
_FALSE_ = 305, /* "<false>" */
_OR_ = 306, /* "<or>" */
_AND_ = 307, /* "<and>" */
_NOT_ = 308, /* "<not>" */
_DEFINED_ = 309, /* "<defined>" */
_EQ_ = 310, /* "==" */
_NEQ_ = 311, /* "!=" */
_LT_ = 312, /* "<" */
_LE_ = 313, /* "<=" */
_GT_ = 314, /* ">" */
_GE_ = 315, /* ">=" */
_SHIFT_LEFT_ = 316, /* "<<" */
_SHIFT_RIGHT_ = 317, /* ">>" */
UNARY_MINUS = 318 /* UNARY_MINUS */
};
typedef enum yytokentype yytoken_kind_t;
#endif
/* Token kinds. */
#define YYEMPTY -2
#define _END_OF_FILE_ 0
#define YYerror 256
#define YYUNDEF 257
#define _END_OF_INCLUDED_FILE_ 258
#define _DOT_DOT_ 259
#define _RULE_ 260
#define _PRIVATE_ 261
#define _GLOBAL_ 262
#define _META_ 263
#define _STRINGS_ 264
#define _CONDITION_ 265
#define _IDENTIFIER_ 266
#define _STRING_IDENTIFIER_ 267
#define _STRING_COUNT_ 268
#define _STRING_OFFSET_ 269
#define _STRING_LENGTH_ 270
#define _STRING_IDENTIFIER_WITH_WILDCARD_ 271
#define _NUMBER_ 272
#define _DOUBLE_ 273
#define _INTEGER_FUNCTION_ 274
#define _TEXT_STRING_ 275
#define _HEX_STRING_ 276
#define _REGEXP_ 277
#define _ASCII_ 278
#define _WIDE_ 279
#define _XOR_ 280
#define _BASE64_ 281
#define _BASE64_WIDE_ 282
#define _NOCASE_ 283
#define _FULLWORD_ 284
#define _AT_ 285
#define _FILESIZE_ 286
#define _ENTRYPOINT_ 287
#define _ALL_ 288
#define _ANY_ 289
#define _NONE_ 290
#define _IN_ 291
#define _OF_ 292
#define _FOR_ 293
#define _THEM_ 294
#define _MATCHES_ 295
#define _CONTAINS_ 296
#define _STARTSWITH_ 297
#define _ENDSWITH_ 298
#define _ICONTAINS_ 299
#define _ISTARTSWITH_ 300
#define _IENDSWITH_ 301
#define _IEQUALS_ 302
#define _IMPORT_ 303
#define _TRUE_ 304
#define _FALSE_ 305
#define _OR_ 306
#define _AND_ 307
#define _NOT_ 308
#define _DEFINED_ 309
#define _EQ_ 310
#define _NEQ_ 311
#define _LT_ 312
#define _LE_ 313
#define _GT_ 314
#define _GE_ 315
#define _SHIFT_LEFT_ 316
#define _SHIFT_RIGHT_ 317
#define UNARY_MINUS 318
/* Value type. */
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
union YYSTYPE
{
#line 341 "grammar.y"
YR_EXPRESSION expression;
SIZED_STRING* sized_string;
char* c_string;
int64_t integer;
double double_;
YR_MODIFIER modifier;
YR_ARENA_REF tag;
YR_ARENA_REF rule;
YR_ARENA_REF meta;
YR_ARENA_REF string;
#line 396 "grammar.c"
};
typedef union YYSTYPE YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define YYSTYPE_IS_DECLARED 1
#endif
int yara_yyparse (void *yyscanner, YR_COMPILER* compiler);
#endif /* !YY_YARA_YY_GRAMMAR_H_INCLUDED */
/* Symbol kind. */
enum yysymbol_kind_t
{
YYSYMBOL_YYEMPTY = -2,
YYSYMBOL_YYEOF = 0, /* "end of file" */
YYSYMBOL_YYerror = 1, /* error */
YYSYMBOL_YYUNDEF = 2, /* "invalid token" */
YYSYMBOL__END_OF_INCLUDED_FILE_ = 3, /* "end of included file" */
YYSYMBOL__DOT_DOT_ = 4, /* ".." */
YYSYMBOL__RULE_ = 5, /* "<rule>" */
YYSYMBOL__PRIVATE_ = 6, /* "<private>" */
YYSYMBOL__GLOBAL_ = 7, /* "<global>" */
YYSYMBOL__META_ = 8, /* "<meta>" */
YYSYMBOL__STRINGS_ = 9, /* "<strings>" */
YYSYMBOL__CONDITION_ = 10, /* "<condition>" */
YYSYMBOL__IDENTIFIER_ = 11, /* "identifier" */
YYSYMBOL__STRING_IDENTIFIER_ = 12, /* "string identifier" */
YYSYMBOL__STRING_COUNT_ = 13, /* "string count" */
YYSYMBOL__STRING_OFFSET_ = 14, /* "string offset" */
YYSYMBOL__STRING_LENGTH_ = 15, /* "string length" */
YYSYMBOL__STRING_IDENTIFIER_WITH_WILDCARD_ = 16, /* "string identifier with wildcard" */
YYSYMBOL__NUMBER_ = 17, /* "integer number" */
YYSYMBOL__DOUBLE_ = 18, /* "floating point number" */
YYSYMBOL__INTEGER_FUNCTION_ = 19, /* "integer function" */
YYSYMBOL__TEXT_STRING_ = 20, /* "text string" */
YYSYMBOL__HEX_STRING_ = 21, /* "hex string" */
YYSYMBOL__REGEXP_ = 22, /* "regular expression" */
YYSYMBOL__ASCII_ = 23, /* "<ascii>" */
YYSYMBOL__WIDE_ = 24, /* "<wide>" */
YYSYMBOL__XOR_ = 25, /* "<xor>" */
YYSYMBOL__BASE64_ = 26, /* "<base64>" */
YYSYMBOL__BASE64_WIDE_ = 27, /* "<base64wide>" */
YYSYMBOL__NOCASE_ = 28, /* "<nocase>" */
YYSYMBOL__FULLWORD_ = 29, /* "<fullword>" */
YYSYMBOL__AT_ = 30, /* "<at>" */
YYSYMBOL__FILESIZE_ = 31, /* "<filesize>" */
YYSYMBOL__ENTRYPOINT_ = 32, /* "<entrypoint>" */
YYSYMBOL__ALL_ = 33, /* "<all>" */
YYSYMBOL__ANY_ = 34, /* "<any>" */
YYSYMBOL__NONE_ = 35, /* "<none>" */
YYSYMBOL__IN_ = 36, /* "<in>" */
YYSYMBOL__OF_ = 37, /* "<of>" */
YYSYMBOL__FOR_ = 38, /* "<for>" */
YYSYMBOL__THEM_ = 39, /* "<them>" */
YYSYMBOL__MATCHES_ = 40, /* "<matches>" */
YYSYMBOL__CONTAINS_ = 41, /* "<contains>" */
YYSYMBOL__STARTSWITH_ = 42, /* "<startswith>" */
YYSYMBOL__ENDSWITH_ = 43, /* "<endswith>" */
YYSYMBOL__ICONTAINS_ = 44, /* "<icontains>" */
YYSYMBOL__ISTARTSWITH_ = 45, /* "<istartswith>" */
YYSYMBOL__IENDSWITH_ = 46, /* "<iendswith>" */
YYSYMBOL__IEQUALS_ = 47, /* "<iequals>" */
YYSYMBOL__IMPORT_ = 48, /* "<import>" */
YYSYMBOL__TRUE_ = 49, /* "<true>" */
YYSYMBOL__FALSE_ = 50, /* "<false>" */
YYSYMBOL__OR_ = 51, /* "<or>" */
YYSYMBOL__AND_ = 52, /* "<and>" */
YYSYMBOL__NOT_ = 53, /* "<not>" */
YYSYMBOL__DEFINED_ = 54, /* "<defined>" */
YYSYMBOL__EQ_ = 55, /* "==" */
YYSYMBOL__NEQ_ = 56, /* "!=" */
YYSYMBOL__LT_ = 57, /* "<" */
YYSYMBOL__LE_ = 58, /* "<=" */
YYSYMBOL__GT_ = 59, /* ">" */
YYSYMBOL__GE_ = 60, /* ">=" */
YYSYMBOL__SHIFT_LEFT_ = 61, /* "<<" */
YYSYMBOL__SHIFT_RIGHT_ = 62, /* ">>" */
YYSYMBOL_63_ = 63, /* '|' */
YYSYMBOL_64_ = 64, /* '^' */
YYSYMBOL_65_ = 65, /* '&' */
YYSYMBOL_66_ = 66, /* '+' */
YYSYMBOL_67_ = 67, /* '-' */
YYSYMBOL_68_ = 68, /* '*' */
YYSYMBOL_69_ = 69, /* '\\' */
YYSYMBOL_70_ = 70, /* '%' */
YYSYMBOL_71_ = 71, /* '~' */
YYSYMBOL_UNARY_MINUS = 72, /* UNARY_MINUS */
YYSYMBOL_73_include_ = 73, /* "include" */
YYSYMBOL_74_ = 74, /* '{' */
YYSYMBOL_75_ = 75, /* '}' */
YYSYMBOL_76_ = 76, /* ':' */
YYSYMBOL_77_ = 77, /* '=' */
YYSYMBOL_78_ = 78, /* '(' */
YYSYMBOL_79_ = 79, /* ')' */
YYSYMBOL_80_ = 80, /* '.' */
YYSYMBOL_81_ = 81, /* '[' */
YYSYMBOL_82_ = 82, /* ']' */
YYSYMBOL_83_ = 83, /* ',' */
YYSYMBOL_YYACCEPT = 84, /* $accept */
YYSYMBOL_rules = 85, /* rules */
YYSYMBOL_import = 86, /* import */
YYSYMBOL_rule = 87, /* rule */
YYSYMBOL_88_1 = 88, /* @1 */
YYSYMBOL_89_2 = 89, /* $@2 */
YYSYMBOL_meta = 90, /* meta */
YYSYMBOL_strings = 91, /* strings */
YYSYMBOL_condition = 92, /* condition */
YYSYMBOL_rule_modifiers = 93, /* rule_modifiers */
YYSYMBOL_rule_modifier = 94, /* rule_modifier */
YYSYMBOL_tags = 95, /* tags */
YYSYMBOL_tag_list = 96, /* tag_list */
YYSYMBOL_meta_declarations = 97, /* meta_declarations */
YYSYMBOL_meta_declaration = 98, /* meta_declaration */
YYSYMBOL_string_declarations = 99, /* string_declarations */
YYSYMBOL_string_declaration = 100, /* string_declaration */
YYSYMBOL_101_3 = 101, /* $@3 */
YYSYMBOL_102_4 = 102, /* $@4 */
YYSYMBOL_103_5 = 103, /* $@5 */
YYSYMBOL_string_modifiers = 104, /* string_modifiers */
YYSYMBOL_string_modifier = 105, /* string_modifier */
YYSYMBOL_regexp_modifiers = 106, /* regexp_modifiers */
YYSYMBOL_regexp_modifier = 107, /* regexp_modifier */
YYSYMBOL_hex_modifiers = 108, /* hex_modifiers */
YYSYMBOL_hex_modifier = 109, /* hex_modifier */
YYSYMBOL_identifier = 110, /* identifier */
YYSYMBOL_arguments = 111, /* arguments */
YYSYMBOL_arguments_list = 112, /* arguments_list */
YYSYMBOL_regexp = 113, /* regexp */
YYSYMBOL_boolean_expression = 114, /* boolean_expression */
YYSYMBOL_expression = 115, /* expression */
YYSYMBOL_116_6 = 116, /* $@6 */
YYSYMBOL_117_7 = 117, /* $@7 */
YYSYMBOL_118_8 = 118, /* $@8 */
YYSYMBOL_119_9 = 119, /* $@9 */
YYSYMBOL_for_iteration = 120, /* for_iteration */
YYSYMBOL_for_variables = 121, /* for_variables */
YYSYMBOL_iterator = 122, /* iterator */
YYSYMBOL_integer_set = 123, /* integer_set */
YYSYMBOL_range = 124, /* range */
YYSYMBOL_integer_enumeration = 125, /* integer_enumeration */
YYSYMBOL_string_iterator = 126, /* string_iterator */
YYSYMBOL_string_set = 127, /* string_set */
YYSYMBOL_128_10 = 128, /* $@10 */
YYSYMBOL_string_enumeration = 129, /* string_enumeration */
YYSYMBOL_string_enumeration_item = 130, /* string_enumeration_item */
YYSYMBOL_rule_set = 131, /* rule_set */
YYSYMBOL_132_11 = 132, /* $@11 */
YYSYMBOL_rule_enumeration = 133, /* rule_enumeration */
YYSYMBOL_rule_enumeration_item = 134, /* rule_enumeration_item */
YYSYMBOL_for_expression = 135, /* for_expression */
YYSYMBOL_for_quantifier = 136, /* for_quantifier */
YYSYMBOL_primary_expression = 137 /* primary_expression */
};
typedef enum yysymbol_kind_t yysymbol_kind_t;
#ifdef short
# undef short
#endif
/* On compilers that do not define __PTRDIFF_MAX__ etc., make sure
<limits.h> and (if available) <stdint.h> are included
so that the code can choose integer types of a good width. */
#ifndef __PTRDIFF_MAX__
# include <limits.h> /* INFRINGES ON USER NAME SPACE */
# if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
# include <stdint.h> /* INFRINGES ON USER NAME SPACE */
# define YY_STDINT_H
# endif
#endif
/* Narrow types that promote to a signed type and that can represent a
signed or unsigned integer of at least N bits. In tables they can
save space and decrease cache pressure. Promoting to a signed type
helps avoid bugs in integer arithmetic. */
#ifdef __INT_LEAST8_MAX__
typedef __INT_LEAST8_TYPE__ yytype_int8;
#elif defined YY_STDINT_H
typedef int_least8_t yytype_int8;
#else
typedef signed char yytype_int8;
#endif
#ifdef __INT_LEAST16_MAX__
typedef __INT_LEAST16_TYPE__ yytype_int16;
#elif defined YY_STDINT_H
typedef int_least16_t yytype_int16;
#else
typedef short yytype_int16;
#endif
/* Work around bug in HP-UX 11.23, which defines these macros
incorrectly for preprocessor constants. This workaround can likely
be removed in 2023, as HPE has promised support for HP-UX 11.23
(aka HP-UX 11i v2) only through the end of 2022; see Table 2 of
<https://h20195.www2.hpe.com/V2/getpdf.aspx/4AA4-7673ENW.pdf>. */
#ifdef __hpux
# undef UINT_LEAST8_MAX
# undef UINT_LEAST16_MAX
# define UINT_LEAST8_MAX 255
# define UINT_LEAST16_MAX 65535
#endif
#if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__
typedef __UINT_LEAST8_TYPE__ yytype_uint8;
#elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \
&& UINT_LEAST8_MAX <= INT_MAX)
typedef uint_least8_t yytype_uint8;
#elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX
typedef unsigned char yytype_uint8;
#else
typedef short yytype_uint8;
#endif
#if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__
typedef __UINT_LEAST16_TYPE__ yytype_uint16;
#elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \
&& UINT_LEAST16_MAX <= INT_MAX)
typedef uint_least16_t yytype_uint16;
#elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX
typedef unsigned short yytype_uint16;
#else
typedef int yytype_uint16;
#endif
#ifndef YYPTRDIFF_T
# if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__
# define YYPTRDIFF_T __PTRDIFF_TYPE__
# define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__
# elif defined PTRDIFF_MAX
# ifndef ptrdiff_t
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# endif
# define YYPTRDIFF_T ptrdiff_t
# define YYPTRDIFF_MAXIMUM PTRDIFF_MAX
# else
# define YYPTRDIFF_T long
# define YYPTRDIFF_MAXIMUM LONG_MAX
# endif
#endif
#ifndef YYSIZE_T
# ifdef __SIZE_TYPE__
# define YYSIZE_T __SIZE_TYPE__
# elif defined size_t
# define YYSIZE_T size_t
# elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# else
# define YYSIZE_T unsigned
# endif
#endif
#define YYSIZE_MAXIMUM \
YY_CAST (YYPTRDIFF_T, \
(YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1) \
? YYPTRDIFF_MAXIMUM \
: YY_CAST (YYSIZE_T, -1)))
#define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X))
/* Stored state numbers (used for stacks). */
typedef yytype_int16 yy_state_t;
/* State numbers in computations. */
typedef int yy_state_fast_t;
#ifndef YY_
# if defined YYENABLE_NLS && YYENABLE_NLS
# if ENABLE_NLS
# include <libintl.h> /* 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_PURE
# if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__)
# define YY_ATTRIBUTE_PURE __attribute__ ((__pure__))
# else
# define YY_ATTRIBUTE_PURE
# endif
#endif
#ifndef YY_ATTRIBUTE_UNUSED
# if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
# define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__))
# else
# define YY_ATTRIBUTE_UNUSED
# endif
#endif
/* Suppress unused-variable warnings by "using" E. */
#if ! defined lint || defined __GNUC__
# define YY_USE(E) ((void) (E))
#else
# define YY_USE(E) /* empty */
#endif
/* Suppress an incorrect diagnostic about yylval being uninitialized. */
#if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__
# if __GNUC__ * 100 + __GNUC_MINOR__ < 407
# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
_Pragma ("GCC diagnostic push") \
_Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")
# else
# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
_Pragma ("GCC diagnostic push") \
_Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \
_Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
# endif
# 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 __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__
# define YY_IGNORE_USELESS_CAST_BEGIN \
_Pragma ("GCC diagnostic push") \
_Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"")
# define YY_IGNORE_USELESS_CAST_END \
_Pragma ("GCC diagnostic pop")
#endif
#ifndef YY_IGNORE_USELESS_CAST_BEGIN
# define YY_IGNORE_USELESS_CAST_BEGIN
# define YY_IGNORE_USELESS_CAST_END
#endif
#define YY_ASSERT(E) ((void) (0 && (E)))
#if 1
/* 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 <alloca.h> /* INFRINGES ON USER NAME SPACE */
# elif defined _AIX
# define YYSTACK_ALLOC __alloca
# elif defined _MSC_VER
# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
# define alloca _alloca
# else
# define YYSTACK_ALLOC alloca
# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
# include <stdlib.h> /* 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 <stdlib.h> /* 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 /* 1 */
#if (! defined yyoverflow \
&& (! defined __cplusplus \
|| (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
{
yy_state_t yyss_alloc;
YYSTYPE yyvs_alloc;
};
/* The size of the maximum gap between one aligned stack and the next. */
# define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1)
/* The size of an array large to enough to hold all stacks, each with
N elements. */
# define YYSTACK_BYTES(N) \
((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (YYSTYPE)) \
+ 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 \
{ \
YYPTRDIFF_T yynewbytes; \
YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
Stack = &yyptr->Stack_alloc; \
yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / YYSIZEOF (*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, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src)))
# else
# define YYCOPY(Dst, Src, Count) \
do \
{ \
YYPTRDIFF_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 2
/* YYLAST -- Last index in YYTABLE. */
#define YYLAST 468
/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS 84
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS 54
/* YYNRULES -- Number of rules. */
#define YYNRULES 167
/* YYNSTATES -- Number of states. */
#define YYNSTATES 273
/* YYMAXUTOK -- Last valid token kind. */
#define YYMAXUTOK 319
/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
as returned by yylex, with out-of-bounds checking. */
#define YYTRANSLATE(YYX) \
(0 <= (YYX) && (YYX) <= YYMAXUTOK \
? YY_CAST (yysymbol_kind_t, yytranslate[YYX]) \
: YYSYMBOL_YYUNDEF)
/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
as returned by yylex. */
static const yytype_int8 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, 2, 2, 2, 2, 70, 65, 2,
78, 79, 68, 66, 83, 67, 80, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 76, 2,
2, 77, 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, 81, 69, 82, 64, 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, 74, 63, 75, 71, 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, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
45, 46, 47, 48, 49, 50, 51, 52, 53, 54,
55, 56, 57, 58, 59, 60, 61, 62, 72, 73
};
#if YYDEBUG
/* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
static const yytype_int16 yyrline[] =
{
0, 359, 359, 360, 361, 362, 363, 364, 365, 373,
386, 391, 385, 418, 421, 437, 440, 455, 460, 461,
466, 467, 473, 476, 492, 501, 543, 544, 549, 566,
580, 594, 608, 626, 627, 633, 632, 649, 648, 669,
668, 693, 699, 759, 760, 761, 762, 763, 764, 770,
791, 822, 827, 844, 849, 869, 870, 884, 885, 886,
887, 888, 892, 893, 907, 911, 1006, 1054, 1115, 1160,
1161, 1165, 1200, 1253, 1295, 1318, 1324, 1330, 1342, 1352,
1362, 1372, 1382, 1392, 1402, 1412, 1426, 1441, 1452, 1527,
1565, 1469, 1693, 1704, 1715, 1734, 1753, 1765, 1771, 1777,
1776, 1822, 1821, 1865, 1872, 1879, 1886, 1893, 1900, 1907,
1911, 1919, 1920, 1945, 1965, 1993, 2067, 2095, 2103, 2112,
2148, 2163, 2182, 2192, 2191, 2200, 2214, 2215, 2220, 2230,
2245, 2244, 2257, 2258, 2263, 2296, 2321, 2366, 2373, 2379,
2385, 2395, 2399, 2407, 2419, 2433, 2440, 2447, 2472, 2484,
2496, 2508, 2523, 2535, 2550, 2593, 2614, 2649, 2684, 2718,
2743, 2760, 2770, 2780, 2790, 2800, 2820, 2840
};
#endif
/** Accessing symbol of state STATE. */
#define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State])
#if 1
/* The user-facing name of the symbol whose (internal) number is
YYSYMBOL. No bounds checking. */
static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED;
/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] =
{
"\"end of file\"", "error", "\"invalid token\"",
"\"end of included file\"", "\"..\"", "\"<rule>\"", "\"<private>\"",
"\"<global>\"", "\"<meta>\"", "\"<strings>\"", "\"<condition>\"",
"\"identifier\"", "\"string identifier\"", "\"string count\"",
"\"string offset\"", "\"string length\"",
"\"string identifier with wildcard\"", "\"integer number\"",
"\"floating point number\"", "\"integer function\"", "\"text string\"",
"\"hex string\"", "\"regular expression\"", "\"<ascii>\"", "\"<wide>\"",
"\"<xor>\"", "\"<base64>\"", "\"<base64wide>\"", "\"<nocase>\"",
"\"<fullword>\"", "\"<at>\"", "\"<filesize>\"", "\"<entrypoint>\"",
"\"<all>\"", "\"<any>\"", "\"<none>\"", "\"<in>\"", "\"<of>\"",
"\"<for>\"", "\"<them>\"", "\"<matches>\"", "\"<contains>\"",
"\"<startswith>\"", "\"<endswith>\"", "\"<icontains>\"",
"\"<istartswith>\"", "\"<iendswith>\"", "\"<iequals>\"", "\"<import>\"",
"\"<true>\"", "\"<false>\"", "\"<or>\"", "\"<and>\"", "\"<not>\"",
"\"<defined>\"", "\"==\"", "\"!=\"", "\"<\"", "\"<=\"", "\">\"",
"\">=\"", "\"<<\"", "\">>\"", "'|'", "'^'", "'&'", "'+'", "'-'", "'*'",
"'\\\\'", "'%'", "'~'", "UNARY_MINUS", "\"include\"", "'{'", "'}'",
"':'", "'='", "'('", "')'", "'.'", "'['", "']'", "','", "$accept",
"rules", "import", "rule", "@1", "$@2", "meta", "strings", "condition",
"rule_modifiers", "rule_modifier", "tags", "tag_list",
"meta_declarations", "meta_declaration", "string_declarations",
"string_declaration", "$@3", "$@4", "$@5", "string_modifiers",
"string_modifier", "regexp_modifiers", "regexp_modifier",
"hex_modifiers", "hex_modifier", "identifier", "arguments",
"arguments_list", "regexp", "boolean_expression", "expression", "$@6",