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Diffstat (limited to 'src/lib/eval/parser.h')
-rw-r--r-- | src/lib/eval/parser.h | 2677 |
1 files changed, 2677 insertions, 0 deletions
diff --git a/src/lib/eval/parser.h b/src/lib/eval/parser.h new file mode 100644 index 0000000..597cf62 --- /dev/null +++ b/src/lib/eval/parser.h @@ -0,0 +1,2677 @@ +// A Bison parser, made by GNU Bison 3.8.2. + +// Skeleton interface for Bison LALR(1) parsers in C++ + +// Copyright (C) 2002-2015, 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. + + +/** + ** \file parser.h + ** Define the isc::eval::parser class. + */ + +// C++ LALR(1) parser skeleton written by Akim Demaille. + +// 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. + +#ifndef YY_EVAL_PARSER_H_INCLUDED +# define YY_EVAL_PARSER_H_INCLUDED +// "%code requires" blocks. +#line 17 "parser.yy" + +#include <string> +#include <eval/token.h> +#include <eval/eval_context_decl.h> +#include <dhcp/option.h> +#include <boost/lexical_cast.hpp> + +using namespace isc::dhcp; +using namespace isc::eval; + +#line 60 "parser.h" + +# include <cassert> +# include <cstdlib> // std::abort +# include <iostream> +# include <stdexcept> +# include <string> +# include <vector> + +#if defined __cplusplus +# define YY_CPLUSPLUS __cplusplus +#else +# define YY_CPLUSPLUS 199711L +#endif + +// Support move semantics when possible. +#if 201103L <= YY_CPLUSPLUS +# define YY_MOVE std::move +# define YY_MOVE_OR_COPY move +# define YY_MOVE_REF(Type) Type&& +# define YY_RVREF(Type) Type&& +# define YY_COPY(Type) Type +#else +# define YY_MOVE +# define YY_MOVE_OR_COPY copy +# define YY_MOVE_REF(Type) Type& +# define YY_RVREF(Type) const Type& +# define YY_COPY(Type) const Type& +#endif + +// Support noexcept when possible. +#if 201103L <= YY_CPLUSPLUS +# define YY_NOEXCEPT noexcept +# define YY_NOTHROW +#else +# define YY_NOEXCEPT +# define YY_NOTHROW throw () +#endif + +// Support constexpr when possible. +#if 201703 <= YY_CPLUSPLUS +# define YY_CONSTEXPR constexpr +#else +# define YY_CONSTEXPR +#endif +# include "location.hh" +#include <typeinfo> +#ifndef EVAL_ASSERT +# include <cassert> +# define EVAL_ASSERT assert +#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 + +# 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 + +/* Debug traces. */ +#ifndef EVALDEBUG +# if defined YYDEBUG +#if YYDEBUG +# define EVALDEBUG 1 +# else +# define EVALDEBUG 0 +# endif +# else /* ! defined YYDEBUG */ +# define EVALDEBUG 1 +# endif /* ! defined YYDEBUG */ +#endif /* ! defined EVALDEBUG */ + +#line 14 "parser.yy" +namespace isc { namespace eval { +#line 209 "parser.h" + + + + + /// A Bison parser. + class EvalParser + { + public: +#ifdef EVALSTYPE +# ifdef __GNUC__ +# pragma GCC message "bison: do not #define EVALSTYPE in C++, use %define api.value.type" +# endif + typedef EVALSTYPE value_type; +#else + /// A buffer to store and retrieve objects. + /// + /// Sort of a variant, but does not keep track of the nature + /// of the stored data, since that knowledge is available + /// via the current parser state. + class value_type + { + public: + /// Type of *this. + typedef value_type self_type; + + /// Empty construction. + value_type () YY_NOEXCEPT + : yyraw_ () + , yytypeid_ (YY_NULLPTR) + {} + + /// Construct and fill. + template <typename T> + value_type (YY_RVREF (T) t) + : yytypeid_ (&typeid (T)) + { + EVAL_ASSERT (sizeof (T) <= size); + new (yyas_<T> ()) T (YY_MOVE (t)); + } + +#if 201103L <= YY_CPLUSPLUS + /// Non copyable. + value_type (const self_type&) = delete; + /// Non copyable. + self_type& operator= (const self_type&) = delete; +#endif + + /// Destruction, allowed only if empty. + ~value_type () YY_NOEXCEPT + { + EVAL_ASSERT (!yytypeid_); + } + +# if 201103L <= YY_CPLUSPLUS + /// Instantiate a \a T in here from \a t. + template <typename T, typename... U> + T& + emplace (U&&... u) + { + EVAL_ASSERT (!yytypeid_); + EVAL_ASSERT (sizeof (T) <= size); + yytypeid_ = & typeid (T); + return *new (yyas_<T> ()) T (std::forward <U>(u)...); + } +# else + /// Instantiate an empty \a T in here. + template <typename T> + T& + emplace () + { + EVAL_ASSERT (!yytypeid_); + EVAL_ASSERT (sizeof (T) <= size); + yytypeid_ = & typeid (T); + return *new (yyas_<T> ()) T (); + } + + /// Instantiate a \a T in here from \a t. + template <typename T> + T& + emplace (const T& t) + { + EVAL_ASSERT (!yytypeid_); + EVAL_ASSERT (sizeof (T) <= size); + yytypeid_ = & typeid (T); + return *new (yyas_<T> ()) T (t); + } +# endif + + /// Instantiate an empty \a T in here. + /// Obsolete, use emplace. + template <typename T> + T& + build () + { + return emplace<T> (); + } + + /// Instantiate a \a T in here from \a t. + /// Obsolete, use emplace. + template <typename T> + T& + build (const T& t) + { + return emplace<T> (t); + } + + /// Accessor to a built \a T. + template <typename T> + T& + as () YY_NOEXCEPT + { + EVAL_ASSERT (yytypeid_); + EVAL_ASSERT (*yytypeid_ == typeid (T)); + EVAL_ASSERT (sizeof (T) <= size); + return *yyas_<T> (); + } + + /// Const accessor to a built \a T (for %printer). + template <typename T> + const T& + as () const YY_NOEXCEPT + { + EVAL_ASSERT (yytypeid_); + EVAL_ASSERT (*yytypeid_ == typeid (T)); + EVAL_ASSERT (sizeof (T) <= size); + return *yyas_<T> (); + } + + /// Swap the content with \a that, of same type. + /// + /// Both variants must be built beforehand, because swapping the actual + /// data requires reading it (with as()), and this is not possible on + /// unconstructed variants: it would require some dynamic testing, which + /// should not be the variant's responsibility. + /// Swapping between built and (possibly) non-built is done with + /// self_type::move (). + template <typename T> + void + swap (self_type& that) YY_NOEXCEPT + { + EVAL_ASSERT (yytypeid_); + EVAL_ASSERT (*yytypeid_ == *that.yytypeid_); + std::swap (as<T> (), that.as<T> ()); + } + + /// Move the content of \a that to this. + /// + /// Destroys \a that. + template <typename T> + void + move (self_type& that) + { +# if 201103L <= YY_CPLUSPLUS + emplace<T> (std::move (that.as<T> ())); +# else + emplace<T> (); + swap<T> (that); +# endif + that.destroy<T> (); + } + +# if 201103L <= YY_CPLUSPLUS + /// Move the content of \a that to this. + template <typename T> + void + move (self_type&& that) + { + emplace<T> (std::move (that.as<T> ())); + that.destroy<T> (); + } +#endif + + /// Copy the content of \a that to this. + template <typename T> + void + copy (const self_type& that) + { + emplace<T> (that.as<T> ()); + } + + /// Destroy the stored \a T. + template <typename T> + void + destroy () + { + as<T> ().~T (); + yytypeid_ = YY_NULLPTR; + } + + private: +#if YY_CPLUSPLUS < 201103L + /// Non copyable. + value_type (const self_type&); + /// Non copyable. + self_type& operator= (const self_type&); +#endif + + /// Accessor to raw memory as \a T. + template <typename T> + T* + yyas_ () YY_NOEXCEPT + { + void *yyp = yyraw_; + return static_cast<T*> (yyp); + } + + /// Const accessor to raw memory as \a T. + template <typename T> + const T* + yyas_ () const YY_NOEXCEPT + { + const void *yyp = yyraw_; + return static_cast<const T*> (yyp); + } + + /// An auxiliary type to compute the largest semantic type. + union union_type + { + // option_repr_type + char dummy1[sizeof (TokenOption::RepresentationType)]; + + // pkt4_field + char dummy2[sizeof (TokenPkt4::FieldType)]; + + // pkt6_field + char dummy3[sizeof (TokenPkt6::FieldType)]; + + // pkt_metadata + char dummy4[sizeof (TokenPkt::MetadataType)]; + + // relay6_field + char dummy5[sizeof (TokenRelay6Field::FieldType)]; + + // nest_level + char dummy6[sizeof (int8_t)]; + + // "constant string" + // "integer" + // "constant hexstring" + // "option name" + // "ip address" + char dummy7[sizeof (std::string)]; + + // option_code + // sub_option_code + char dummy8[sizeof (uint16_t)]; + + // integer_expr + // enterprise_id + char dummy9[sizeof (uint32_t)]; + }; + + /// The size of the largest semantic type. + enum { size = sizeof (union_type) }; + + /// A buffer to store semantic values. + union + { + /// Strongest alignment constraints. + long double yyalign_me_; + /// A buffer large enough to store any of the semantic values. + char yyraw_[size]; + }; + + /// Whether the content is built: if defined, the name of the stored type. + const std::type_info *yytypeid_; + }; + +#endif + /// Backward compatibility (Bison 3.8). + typedef value_type semantic_type; + + /// Symbol locations. + typedef location location_type; + + /// Syntax errors thrown from user actions. + struct syntax_error : std::runtime_error + { + syntax_error (const location_type& l, const std::string& m) + : std::runtime_error (m) + , location (l) + {} + + syntax_error (const syntax_error& s) + : std::runtime_error (s.what ()) + , location (s.location) + {} + + ~syntax_error () YY_NOEXCEPT YY_NOTHROW; + + location_type location; + }; + + /// Token kinds. + struct token + { + enum token_kind_type + { + TOKEN_EVALEMPTY = -2, + TOKEN_END = 0, // "end of file" + TOKEN_EVALerror = 256, // error + TOKEN_EVALUNDEF = 257, // "invalid token" + TOKEN_LPAREN = 258, // "(" + TOKEN_RPAREN = 259, // ")" + TOKEN_NOT = 260, // "not" + TOKEN_AND = 261, // "and" + TOKEN_OR = 262, // "or" + TOKEN_EQUAL = 263, // "==" + TOKEN_OPTION = 264, // "option" + TOKEN_RELAY4 = 265, // "relay4" + TOKEN_RELAY6 = 266, // "relay6" + TOKEN_MEMBER = 267, // "member" + TOKEN_PEERADDR = 268, // "peeraddr" + TOKEN_LINKADDR = 269, // "linkaddr" + TOKEN_LBRACKET = 270, // "[" + TOKEN_RBRACKET = 271, // "]" + TOKEN_DOT = 272, // "." + TOKEN_TEXT = 273, // "text" + TOKEN_HEX = 274, // "hex" + TOKEN_EXISTS = 275, // "exists" + TOKEN_PKT = 276, // "pkt" + TOKEN_IFACE = 277, // "iface" + TOKEN_SRC = 278, // "src" + TOKEN_DST = 279, // "dst" + TOKEN_LEN = 280, // "len" + TOKEN_PKT4 = 281, // "pkt4" + TOKEN_CHADDR = 282, // "mac" + TOKEN_HLEN = 283, // "hlen" + TOKEN_HTYPE = 284, // "htype" + TOKEN_CIADDR = 285, // "ciaddr" + TOKEN_GIADDR = 286, // "giaddr" + TOKEN_YIADDR = 287, // "yiaddr" + TOKEN_SIADDR = 288, // "siaddr" + TOKEN_SUBSTRING = 289, // "substring" + TOKEN_SPLIT = 290, // "split" + TOKEN_ALL = 291, // "all" + TOKEN_COMA = 292, // "," + TOKEN_CONCAT = 293, // "concat" + TOKEN_PLUS = 294, // "+" + TOKEN_IFELSE = 295, // "ifelse" + TOKEN_TOHEXSTRING = 296, // "hexstring" + TOKEN_ADDRTOTEXT = 297, // "addrtotext" + TOKEN_INT8TOTEXT = 298, // "int8totext" + TOKEN_INT16TOTEXT = 299, // "int16totext" + TOKEN_INT32TOTEXT = 300, // "int32totext" + TOKEN_UINT8TOTEXT = 301, // "uint8totext" + TOKEN_UINT16TOTEXT = 302, // "uint16totext" + TOKEN_UINT32TOTEXT = 303, // "uint32totext" + TOKEN_PKT6 = 304, // "pkt6" + TOKEN_MSGTYPE = 305, // "msgtype" + TOKEN_TRANSID = 306, // "transid" + TOKEN_VENDOR_CLASS = 307, // "vendor-class" + TOKEN_VENDOR = 308, // "vendor" + TOKEN_ANY = 309, // "*" + TOKEN_DATA = 310, // "data" + TOKEN_ENTERPRISE = 311, // "enterprise" + TOKEN_TOPLEVEL_BOOL = 312, // "top-level bool" + TOKEN_TOPLEVEL_STRING = 313, // "top-level string" + TOKEN_STRING = 314, // "constant string" + TOKEN_INTEGER = 315, // "integer" + TOKEN_HEXSTRING = 316, // "constant hexstring" + TOKEN_OPTION_NAME = 317, // "option name" + TOKEN_IP_ADDRESS = 318 // "ip address" + }; + /// Backward compatibility alias (Bison 3.6). + typedef token_kind_type yytokentype; + }; + + /// Token kind, as returned by yylex. + typedef token::token_kind_type token_kind_type; + + /// Backward compatibility alias (Bison 3.6). + typedef token_kind_type token_type; + + /// Symbol kinds. + struct symbol_kind + { + enum symbol_kind_type + { + YYNTOKENS = 64, ///< Number of tokens. + S_YYEMPTY = -2, + S_YYEOF = 0, // "end of file" + S_YYerror = 1, // error + S_YYUNDEF = 2, // "invalid token" + S_LPAREN = 3, // "(" + S_RPAREN = 4, // ")" + S_NOT = 5, // "not" + S_AND = 6, // "and" + S_OR = 7, // "or" + S_EQUAL = 8, // "==" + S_OPTION = 9, // "option" + S_RELAY4 = 10, // "relay4" + S_RELAY6 = 11, // "relay6" + S_MEMBER = 12, // "member" + S_PEERADDR = 13, // "peeraddr" + S_LINKADDR = 14, // "linkaddr" + S_LBRACKET = 15, // "[" + S_RBRACKET = 16, // "]" + S_DOT = 17, // "." + S_TEXT = 18, // "text" + S_HEX = 19, // "hex" + S_EXISTS = 20, // "exists" + S_PKT = 21, // "pkt" + S_IFACE = 22, // "iface" + S_SRC = 23, // "src" + S_DST = 24, // "dst" + S_LEN = 25, // "len" + S_PKT4 = 26, // "pkt4" + S_CHADDR = 27, // "mac" + S_HLEN = 28, // "hlen" + S_HTYPE = 29, // "htype" + S_CIADDR = 30, // "ciaddr" + S_GIADDR = 31, // "giaddr" + S_YIADDR = 32, // "yiaddr" + S_SIADDR = 33, // "siaddr" + S_SUBSTRING = 34, // "substring" + S_SPLIT = 35, // "split" + S_ALL = 36, // "all" + S_COMA = 37, // "," + S_CONCAT = 38, // "concat" + S_PLUS = 39, // "+" + S_IFELSE = 40, // "ifelse" + S_TOHEXSTRING = 41, // "hexstring" + S_ADDRTOTEXT = 42, // "addrtotext" + S_INT8TOTEXT = 43, // "int8totext" + S_INT16TOTEXT = 44, // "int16totext" + S_INT32TOTEXT = 45, // "int32totext" + S_UINT8TOTEXT = 46, // "uint8totext" + S_UINT16TOTEXT = 47, // "uint16totext" + S_UINT32TOTEXT = 48, // "uint32totext" + S_PKT6 = 49, // "pkt6" + S_MSGTYPE = 50, // "msgtype" + S_TRANSID = 51, // "transid" + S_VENDOR_CLASS = 52, // "vendor-class" + S_VENDOR = 53, // "vendor" + S_ANY = 54, // "*" + S_DATA = 55, // "data" + S_ENTERPRISE = 56, // "enterprise" + S_TOPLEVEL_BOOL = 57, // "top-level bool" + S_TOPLEVEL_STRING = 58, // "top-level string" + S_STRING = 59, // "constant string" + S_INTEGER = 60, // "integer" + S_HEXSTRING = 61, // "constant hexstring" + S_OPTION_NAME = 62, // "option name" + S_IP_ADDRESS = 63, // "ip address" + S_YYACCEPT = 64, // $accept + S_start = 65, // start + S_expression = 66, // expression + S_bool_expr = 67, // bool_expr + S_string_expr = 68, // string_expr + S_integer_expr = 69, // integer_expr + S_option_code = 70, // option_code + S_sub_option_code = 71, // sub_option_code + S_option_repr_type = 72, // option_repr_type + S_nest_level = 73, // nest_level + S_pkt_metadata = 74, // pkt_metadata + S_enterprise_id = 75, // enterprise_id + S_pkt4_field = 76, // pkt4_field + S_pkt6_field = 77, // pkt6_field + S_relay6_field = 78, // relay6_field + S_start_expr = 79, // start_expr + S_length_expr = 80, // length_expr + S_int_expr = 81 // int_expr + }; + }; + + /// (Internal) symbol kind. + typedef symbol_kind::symbol_kind_type symbol_kind_type; + + /// The number of tokens. + static const symbol_kind_type YYNTOKENS = symbol_kind::YYNTOKENS; + + /// A complete symbol. + /// + /// Expects its Base type to provide access to the symbol kind + /// via kind (). + /// + /// Provide access to semantic value and location. + template <typename Base> + struct basic_symbol : Base + { + /// Alias to Base. + typedef Base super_type; + + /// Default constructor. + basic_symbol () YY_NOEXCEPT + : value () + , location () + {} + +#if 201103L <= YY_CPLUSPLUS + /// Move constructor. + basic_symbol (basic_symbol&& that) + : Base (std::move (that)) + , value () + , location (std::move (that.location)) + { + switch (this->kind ()) + { + case symbol_kind::S_option_repr_type: // option_repr_type + value.move< TokenOption::RepresentationType > (std::move (that.value)); + break; + + case symbol_kind::S_pkt4_field: // pkt4_field + value.move< TokenPkt4::FieldType > (std::move (that.value)); + break; + + case symbol_kind::S_pkt6_field: // pkt6_field + value.move< TokenPkt6::FieldType > (std::move (that.value)); + break; + + case symbol_kind::S_pkt_metadata: // pkt_metadata + value.move< TokenPkt::MetadataType > (std::move (that.value)); + break; + + case symbol_kind::S_relay6_field: // relay6_field + value.move< TokenRelay6Field::FieldType > (std::move (that.value)); + break; + + case symbol_kind::S_nest_level: // nest_level + value.move< int8_t > (std::move (that.value)); + break; + + case symbol_kind::S_STRING: // "constant string" + case symbol_kind::S_INTEGER: // "integer" + case symbol_kind::S_HEXSTRING: // "constant hexstring" + case symbol_kind::S_OPTION_NAME: // "option name" + case symbol_kind::S_IP_ADDRESS: // "ip address" + value.move< std::string > (std::move (that.value)); + break; + + case symbol_kind::S_option_code: // option_code + case symbol_kind::S_sub_option_code: // sub_option_code + value.move< uint16_t > (std::move (that.value)); + break; + + case symbol_kind::S_integer_expr: // integer_expr + case symbol_kind::S_enterprise_id: // enterprise_id + value.move< uint32_t > (std::move (that.value)); + break; + + default: + break; + } + + } +#endif + + /// Copy constructor. + basic_symbol (const basic_symbol& that); + + /// Constructors for typed symbols. +#if 201103L <= YY_CPLUSPLUS + basic_symbol (typename Base::kind_type t, location_type&& l) + : Base (t) + , location (std::move (l)) + {} +#else + basic_symbol (typename Base::kind_type t, const location_type& l) + : Base (t) + , location (l) + {} +#endif + +#if 201103L <= YY_CPLUSPLUS + basic_symbol (typename Base::kind_type t, TokenOption::RepresentationType&& v, location_type&& l) + : Base (t) + , value (std::move (v)) + , location (std::move (l)) + {} +#else + basic_symbol (typename Base::kind_type t, const TokenOption::RepresentationType& v, const location_type& l) + : Base (t) + , value (v) + , location (l) + {} +#endif + +#if 201103L <= YY_CPLUSPLUS + basic_symbol (typename Base::kind_type t, TokenPkt4::FieldType&& v, location_type&& l) + : Base (t) + , value (std::move (v)) + , location (std::move (l)) + {} +#else + basic_symbol (typename Base::kind_type t, const TokenPkt4::FieldType& v, const location_type& l) + : Base (t) + , value (v) + , location (l) + {} +#endif + +#if 201103L <= YY_CPLUSPLUS + basic_symbol (typename Base::kind_type t, TokenPkt6::FieldType&& v, location_type&& l) + : Base (t) + , value (std::move (v)) + , location (std::move (l)) + {} +#else + basic_symbol (typename Base::kind_type t, const TokenPkt6::FieldType& v, const location_type& l) + : Base (t) + , value (v) + , location (l) + {} +#endif + +#if 201103L <= YY_CPLUSPLUS + basic_symbol (typename Base::kind_type t, TokenPkt::MetadataType&& v, location_type&& l) + : Base (t) + , value (std::move (v)) + , location (std::move (l)) + {} +#else + basic_symbol (typename Base::kind_type t, const TokenPkt::MetadataType& v, const location_type& l) + : Base (t) + , value (v) + , location (l) + {} +#endif + +#if 201103L <= YY_CPLUSPLUS + basic_symbol (typename Base::kind_type t, TokenRelay6Field::FieldType&& v, location_type&& l) + : Base (t) + , value (std::move (v)) + , location (std::move (l)) + {} +#else + basic_symbol (typename Base::kind_type t, const TokenRelay6Field::FieldType& v, const location_type& l) + : Base (t) + , value (v) + , location (l) + {} +#endif + +#if 201103L <= YY_CPLUSPLUS + basic_symbol (typename Base::kind_type t, int8_t&& v, location_type&& l) + : Base (t) + , value (std::move (v)) + , location (std::move (l)) + {} +#else + basic_symbol (typename Base::kind_type t, const int8_t& v, const location_type& l) + : Base (t) + , value (v) + , location (l) + {} +#endif + +#if 201103L <= YY_CPLUSPLUS + basic_symbol (typename Base::kind_type t, std::string&& v, location_type&& l) + : Base (t) + , value (std::move (v)) + , location (std::move (l)) + {} +#else + basic_symbol (typename Base::kind_type t, const std::string& v, const location_type& l) + : Base (t) + , value (v) + , location (l) + {} +#endif + +#if 201103L <= YY_CPLUSPLUS + basic_symbol (typename Base::kind_type t, uint16_t&& v, location_type&& l) + : Base (t) + , value (std::move (v)) + , location (std::move (l)) + {} +#else + basic_symbol (typename Base::kind_type t, const uint16_t& v, const location_type& l) + : Base (t) + , value (v) + , location (l) + {} +#endif + +#if 201103L <= YY_CPLUSPLUS + basic_symbol (typename Base::kind_type t, uint32_t&& v, location_type&& l) + : Base (t) + , value (std::move (v)) + , location (std::move (l)) + {} +#else + basic_symbol (typename Base::kind_type t, const uint32_t& v, const location_type& l) + : Base (t) + , value (v) + , location (l) + {} +#endif + + /// Destroy the symbol. + ~basic_symbol () + { + clear (); + } + + + + /// Destroy contents, and record that is empty. + void clear () YY_NOEXCEPT + { + // User destructor. + symbol_kind_type yykind = this->kind (); + basic_symbol<Base>& yysym = *this; + (void) yysym; + switch (yykind) + { + default: + break; + } + + // Value type destructor. +switch (yykind) + { + case symbol_kind::S_option_repr_type: // option_repr_type + value.template destroy< TokenOption::RepresentationType > (); + break; + + case symbol_kind::S_pkt4_field: // pkt4_field + value.template destroy< TokenPkt4::FieldType > (); + break; + + case symbol_kind::S_pkt6_field: // pkt6_field + value.template destroy< TokenPkt6::FieldType > (); + break; + + case symbol_kind::S_pkt_metadata: // pkt_metadata + value.template destroy< TokenPkt::MetadataType > (); + break; + + case symbol_kind::S_relay6_field: // relay6_field + value.template destroy< TokenRelay6Field::FieldType > (); + break; + + case symbol_kind::S_nest_level: // nest_level + value.template destroy< int8_t > (); + break; + + case symbol_kind::S_STRING: // "constant string" + case symbol_kind::S_INTEGER: // "integer" + case symbol_kind::S_HEXSTRING: // "constant hexstring" + case symbol_kind::S_OPTION_NAME: // "option name" + case symbol_kind::S_IP_ADDRESS: // "ip address" + value.template destroy< std::string > (); + break; + + case symbol_kind::S_option_code: // option_code + case symbol_kind::S_sub_option_code: // sub_option_code + value.template destroy< uint16_t > (); + break; + + case symbol_kind::S_integer_expr: // integer_expr + case symbol_kind::S_enterprise_id: // enterprise_id + value.template destroy< uint32_t > (); + break; + + default: + break; + } + + Base::clear (); + } + + /// The user-facing name of this symbol. + std::string name () const YY_NOEXCEPT + { + return EvalParser::symbol_name (this->kind ()); + } + + /// Backward compatibility (Bison 3.6). + symbol_kind_type type_get () const YY_NOEXCEPT; + + /// Whether empty. + bool empty () const YY_NOEXCEPT; + + /// Destructive move, \a s is emptied into this. + void move (basic_symbol& s); + + /// The semantic value. + value_type value; + + /// The location. + location_type location; + + private: +#if YY_CPLUSPLUS < 201103L + /// Assignment operator. + basic_symbol& operator= (const basic_symbol& that); +#endif + }; + + /// Type access provider for token (enum) based symbols. + struct by_kind + { + /// The symbol kind as needed by the constructor. + typedef token_kind_type kind_type; + + /// Default constructor. + by_kind () YY_NOEXCEPT; + +#if 201103L <= YY_CPLUSPLUS + /// Move constructor. + by_kind (by_kind&& that) YY_NOEXCEPT; +#endif + + /// Copy constructor. + by_kind (const by_kind& that) YY_NOEXCEPT; + + /// Constructor from (external) token numbers. + by_kind (kind_type t) YY_NOEXCEPT; + + + + /// Record that this symbol is empty. + void clear () YY_NOEXCEPT; + + /// Steal the symbol kind from \a that. + void move (by_kind& that); + + /// The (internal) type number (corresponding to \a type). + /// \a empty when empty. + symbol_kind_type kind () const YY_NOEXCEPT; + + /// Backward compatibility (Bison 3.6). + symbol_kind_type type_get () const YY_NOEXCEPT; + + /// The symbol kind. + /// \a S_YYEMPTY when empty. + symbol_kind_type kind_; + }; + + /// Backward compatibility for a private implementation detail (Bison 3.6). + typedef by_kind by_type; + + /// "External" symbols: returned by the scanner. + struct symbol_type : basic_symbol<by_kind> + { + /// Superclass. + typedef basic_symbol<by_kind> super_type; + + /// Empty symbol. + symbol_type () YY_NOEXCEPT {} + + /// Constructor for valueless symbols, and symbols from each type. +#if 201103L <= YY_CPLUSPLUS + symbol_type (int tok, location_type l) + : super_type (token_kind_type (tok), std::move (l)) +#else + symbol_type (int tok, const location_type& l) + : super_type (token_kind_type (tok), l) +#endif + { +#if !defined _MSC_VER || defined __clang__ + EVAL_ASSERT (tok == token::TOKEN_END + || (token::TOKEN_EVALerror <= tok && tok <= token::TOKEN_TOPLEVEL_STRING)); +#endif + } +#if 201103L <= YY_CPLUSPLUS + symbol_type (int tok, std::string v, location_type l) + : super_type (token_kind_type (tok), std::move (v), std::move (l)) +#else + symbol_type (int tok, const std::string& v, const location_type& l) + : super_type (token_kind_type (tok), v, l) +#endif + { +#if !defined _MSC_VER || defined __clang__ + EVAL_ASSERT ((token::TOKEN_STRING <= tok && tok <= token::TOKEN_IP_ADDRESS)); +#endif + } + }; + + /// Build a parser object. + EvalParser (EvalContext& ctx_yyarg); + virtual ~EvalParser (); + +#if 201103L <= YY_CPLUSPLUS + /// Non copyable. + EvalParser (const EvalParser&) = delete; + /// Non copyable. + EvalParser& operator= (const EvalParser&) = delete; +#endif + + /// Parse. An alias for parse (). + /// \returns 0 iff parsing succeeded. + int operator() (); + + /// Parse. + /// \returns 0 iff parsing succeeded. + virtual int parse (); + +#if EVALDEBUG + /// The current debugging stream. + std::ostream& debug_stream () const YY_ATTRIBUTE_PURE; + /// Set the current debugging stream. + void set_debug_stream (std::ostream &); + + /// Type for debugging levels. + typedef int debug_level_type; + /// The current debugging level. + debug_level_type debug_level () const YY_ATTRIBUTE_PURE; + /// Set the current debugging level. + void set_debug_level (debug_level_type l); +#endif + + /// Report a syntax error. + /// \param loc where the syntax error is found. + /// \param msg a description of the syntax error. + virtual void error (const location_type& loc, const std::string& msg); + + /// Report a syntax error. + void error (const syntax_error& err); + + /// The user-facing name of the symbol whose (internal) number is + /// YYSYMBOL. No bounds checking. + static std::string symbol_name (symbol_kind_type yysymbol); + + // Implementation of make_symbol for each token kind. +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_END (location_type l) + { + return symbol_type (token::TOKEN_END, std::move (l)); + } +#else + static + symbol_type + make_END (const location_type& l) + { + return symbol_type (token::TOKEN_END, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_EVALerror (location_type l) + { + return symbol_type (token::TOKEN_EVALerror, std::move (l)); + } +#else + static + symbol_type + make_EVALerror (const location_type& l) + { + return symbol_type (token::TOKEN_EVALerror, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_EVALUNDEF (location_type l) + { + return symbol_type (token::TOKEN_EVALUNDEF, std::move (l)); + } +#else + static + symbol_type + make_EVALUNDEF (const location_type& l) + { + return symbol_type (token::TOKEN_EVALUNDEF, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_LPAREN (location_type l) + { + return symbol_type (token::TOKEN_LPAREN, std::move (l)); + } +#else + static + symbol_type + make_LPAREN (const location_type& l) + { + return symbol_type (token::TOKEN_LPAREN, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_RPAREN (location_type l) + { + return symbol_type (token::TOKEN_RPAREN, std::move (l)); + } +#else + static + symbol_type + make_RPAREN (const location_type& l) + { + return symbol_type (token::TOKEN_RPAREN, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_NOT (location_type l) + { + return symbol_type (token::TOKEN_NOT, std::move (l)); + } +#else + static + symbol_type + make_NOT (const location_type& l) + { + return symbol_type (token::TOKEN_NOT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_AND (location_type l) + { + return symbol_type (token::TOKEN_AND, std::move (l)); + } +#else + static + symbol_type + make_AND (const location_type& l) + { + return symbol_type (token::TOKEN_AND, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_OR (location_type l) + { + return symbol_type (token::TOKEN_OR, std::move (l)); + } +#else + static + symbol_type + make_OR (const location_type& l) + { + return symbol_type (token::TOKEN_OR, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_EQUAL (location_type l) + { + return symbol_type (token::TOKEN_EQUAL, std::move (l)); + } +#else + static + symbol_type + make_EQUAL (const location_type& l) + { + return symbol_type (token::TOKEN_EQUAL, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_OPTION (location_type l) + { + return symbol_type (token::TOKEN_OPTION, std::move (l)); + } +#else + static + symbol_type + make_OPTION (const location_type& l) + { + return symbol_type (token::TOKEN_OPTION, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_RELAY4 (location_type l) + { + return symbol_type (token::TOKEN_RELAY4, std::move (l)); + } +#else + static + symbol_type + make_RELAY4 (const location_type& l) + { + return symbol_type (token::TOKEN_RELAY4, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_RELAY6 (location_type l) + { + return symbol_type (token::TOKEN_RELAY6, std::move (l)); + } +#else + static + symbol_type + make_RELAY6 (const location_type& l) + { + return symbol_type (token::TOKEN_RELAY6, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_MEMBER (location_type l) + { + return symbol_type (token::TOKEN_MEMBER, std::move (l)); + } +#else + static + symbol_type + make_MEMBER (const location_type& l) + { + return symbol_type (token::TOKEN_MEMBER, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_PEERADDR (location_type l) + { + return symbol_type (token::TOKEN_PEERADDR, std::move (l)); + } +#else + static + symbol_type + make_PEERADDR (const location_type& l) + { + return symbol_type (token::TOKEN_PEERADDR, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_LINKADDR (location_type l) + { + return symbol_type (token::TOKEN_LINKADDR, std::move (l)); + } +#else + static + symbol_type + make_LINKADDR (const location_type& l) + { + return symbol_type (token::TOKEN_LINKADDR, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_LBRACKET (location_type l) + { + return symbol_type (token::TOKEN_LBRACKET, std::move (l)); + } +#else + static + symbol_type + make_LBRACKET (const location_type& l) + { + return symbol_type (token::TOKEN_LBRACKET, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_RBRACKET (location_type l) + { + return symbol_type (token::TOKEN_RBRACKET, std::move (l)); + } +#else + static + symbol_type + make_RBRACKET (const location_type& l) + { + return symbol_type (token::TOKEN_RBRACKET, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_DOT (location_type l) + { + return symbol_type (token::TOKEN_DOT, std::move (l)); + } +#else + static + symbol_type + make_DOT (const location_type& l) + { + return symbol_type (token::TOKEN_DOT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_TEXT (location_type l) + { + return symbol_type (token::TOKEN_TEXT, std::move (l)); + } +#else + static + symbol_type + make_TEXT (const location_type& l) + { + return symbol_type (token::TOKEN_TEXT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_HEX (location_type l) + { + return symbol_type (token::TOKEN_HEX, std::move (l)); + } +#else + static + symbol_type + make_HEX (const location_type& l) + { + return symbol_type (token::TOKEN_HEX, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_EXISTS (location_type l) + { + return symbol_type (token::TOKEN_EXISTS, std::move (l)); + } +#else + static + symbol_type + make_EXISTS (const location_type& l) + { + return symbol_type (token::TOKEN_EXISTS, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_PKT (location_type l) + { + return symbol_type (token::TOKEN_PKT, std::move (l)); + } +#else + static + symbol_type + make_PKT (const location_type& l) + { + return symbol_type (token::TOKEN_PKT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_IFACE (location_type l) + { + return symbol_type (token::TOKEN_IFACE, std::move (l)); + } +#else + static + symbol_type + make_IFACE (const location_type& l) + { + return symbol_type (token::TOKEN_IFACE, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_SRC (location_type l) + { + return symbol_type (token::TOKEN_SRC, std::move (l)); + } +#else + static + symbol_type + make_SRC (const location_type& l) + { + return symbol_type (token::TOKEN_SRC, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_DST (location_type l) + { + return symbol_type (token::TOKEN_DST, std::move (l)); + } +#else + static + symbol_type + make_DST (const location_type& l) + { + return symbol_type (token::TOKEN_DST, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_LEN (location_type l) + { + return symbol_type (token::TOKEN_LEN, std::move (l)); + } +#else + static + symbol_type + make_LEN (const location_type& l) + { + return symbol_type (token::TOKEN_LEN, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_PKT4 (location_type l) + { + return symbol_type (token::TOKEN_PKT4, std::move (l)); + } +#else + static + symbol_type + make_PKT4 (const location_type& l) + { + return symbol_type (token::TOKEN_PKT4, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_CHADDR (location_type l) + { + return symbol_type (token::TOKEN_CHADDR, std::move (l)); + } +#else + static + symbol_type + make_CHADDR (const location_type& l) + { + return symbol_type (token::TOKEN_CHADDR, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_HLEN (location_type l) + { + return symbol_type (token::TOKEN_HLEN, std::move (l)); + } +#else + static + symbol_type + make_HLEN (const location_type& l) + { + return symbol_type (token::TOKEN_HLEN, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_HTYPE (location_type l) + { + return symbol_type (token::TOKEN_HTYPE, std::move (l)); + } +#else + static + symbol_type + make_HTYPE (const location_type& l) + { + return symbol_type (token::TOKEN_HTYPE, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_CIADDR (location_type l) + { + return symbol_type (token::TOKEN_CIADDR, std::move (l)); + } +#else + static + symbol_type + make_CIADDR (const location_type& l) + { + return symbol_type (token::TOKEN_CIADDR, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_GIADDR (location_type l) + { + return symbol_type (token::TOKEN_GIADDR, std::move (l)); + } +#else + static + symbol_type + make_GIADDR (const location_type& l) + { + return symbol_type (token::TOKEN_GIADDR, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_YIADDR (location_type l) + { + return symbol_type (token::TOKEN_YIADDR, std::move (l)); + } +#else + static + symbol_type + make_YIADDR (const location_type& l) + { + return symbol_type (token::TOKEN_YIADDR, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_SIADDR (location_type l) + { + return symbol_type (token::TOKEN_SIADDR, std::move (l)); + } +#else + static + symbol_type + make_SIADDR (const location_type& l) + { + return symbol_type (token::TOKEN_SIADDR, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_SUBSTRING (location_type l) + { + return symbol_type (token::TOKEN_SUBSTRING, std::move (l)); + } +#else + static + symbol_type + make_SUBSTRING (const location_type& l) + { + return symbol_type (token::TOKEN_SUBSTRING, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_SPLIT (location_type l) + { + return symbol_type (token::TOKEN_SPLIT, std::move (l)); + } +#else + static + symbol_type + make_SPLIT (const location_type& l) + { + return symbol_type (token::TOKEN_SPLIT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_ALL (location_type l) + { + return symbol_type (token::TOKEN_ALL, std::move (l)); + } +#else + static + symbol_type + make_ALL (const location_type& l) + { + return symbol_type (token::TOKEN_ALL, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_COMA (location_type l) + { + return symbol_type (token::TOKEN_COMA, std::move (l)); + } +#else + static + symbol_type + make_COMA (const location_type& l) + { + return symbol_type (token::TOKEN_COMA, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_CONCAT (location_type l) + { + return symbol_type (token::TOKEN_CONCAT, std::move (l)); + } +#else + static + symbol_type + make_CONCAT (const location_type& l) + { + return symbol_type (token::TOKEN_CONCAT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_PLUS (location_type l) + { + return symbol_type (token::TOKEN_PLUS, std::move (l)); + } +#else + static + symbol_type + make_PLUS (const location_type& l) + { + return symbol_type (token::TOKEN_PLUS, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_IFELSE (location_type l) + { + return symbol_type (token::TOKEN_IFELSE, std::move (l)); + } +#else + static + symbol_type + make_IFELSE (const location_type& l) + { + return symbol_type (token::TOKEN_IFELSE, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_TOHEXSTRING (location_type l) + { + return symbol_type (token::TOKEN_TOHEXSTRING, std::move (l)); + } +#else + static + symbol_type + make_TOHEXSTRING (const location_type& l) + { + return symbol_type (token::TOKEN_TOHEXSTRING, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_ADDRTOTEXT (location_type l) + { + return symbol_type (token::TOKEN_ADDRTOTEXT, std::move (l)); + } +#else + static + symbol_type + make_ADDRTOTEXT (const location_type& l) + { + return symbol_type (token::TOKEN_ADDRTOTEXT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_INT8TOTEXT (location_type l) + { + return symbol_type (token::TOKEN_INT8TOTEXT, std::move (l)); + } +#else + static + symbol_type + make_INT8TOTEXT (const location_type& l) + { + return symbol_type (token::TOKEN_INT8TOTEXT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_INT16TOTEXT (location_type l) + { + return symbol_type (token::TOKEN_INT16TOTEXT, std::move (l)); + } +#else + static + symbol_type + make_INT16TOTEXT (const location_type& l) + { + return symbol_type (token::TOKEN_INT16TOTEXT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_INT32TOTEXT (location_type l) + { + return symbol_type (token::TOKEN_INT32TOTEXT, std::move (l)); + } +#else + static + symbol_type + make_INT32TOTEXT (const location_type& l) + { + return symbol_type (token::TOKEN_INT32TOTEXT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_UINT8TOTEXT (location_type l) + { + return symbol_type (token::TOKEN_UINT8TOTEXT, std::move (l)); + } +#else + static + symbol_type + make_UINT8TOTEXT (const location_type& l) + { + return symbol_type (token::TOKEN_UINT8TOTEXT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_UINT16TOTEXT (location_type l) + { + return symbol_type (token::TOKEN_UINT16TOTEXT, std::move (l)); + } +#else + static + symbol_type + make_UINT16TOTEXT (const location_type& l) + { + return symbol_type (token::TOKEN_UINT16TOTEXT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_UINT32TOTEXT (location_type l) + { + return symbol_type (token::TOKEN_UINT32TOTEXT, std::move (l)); + } +#else + static + symbol_type + make_UINT32TOTEXT (const location_type& l) + { + return symbol_type (token::TOKEN_UINT32TOTEXT, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_PKT6 (location_type l) + { + return symbol_type (token::TOKEN_PKT6, std::move (l)); + } +#else + static + symbol_type + make_PKT6 (const location_type& l) + { + return symbol_type (token::TOKEN_PKT6, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_MSGTYPE (location_type l) + { + return symbol_type (token::TOKEN_MSGTYPE, std::move (l)); + } +#else + static + symbol_type + make_MSGTYPE (const location_type& l) + { + return symbol_type (token::TOKEN_MSGTYPE, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_TRANSID (location_type l) + { + return symbol_type (token::TOKEN_TRANSID, std::move (l)); + } +#else + static + symbol_type + make_TRANSID (const location_type& l) + { + return symbol_type (token::TOKEN_TRANSID, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_VENDOR_CLASS (location_type l) + { + return symbol_type (token::TOKEN_VENDOR_CLASS, std::move (l)); + } +#else + static + symbol_type + make_VENDOR_CLASS (const location_type& l) + { + return symbol_type (token::TOKEN_VENDOR_CLASS, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_VENDOR (location_type l) + { + return symbol_type (token::TOKEN_VENDOR, std::move (l)); + } +#else + static + symbol_type + make_VENDOR (const location_type& l) + { + return symbol_type (token::TOKEN_VENDOR, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_ANY (location_type l) + { + return symbol_type (token::TOKEN_ANY, std::move (l)); + } +#else + static + symbol_type + make_ANY (const location_type& l) + { + return symbol_type (token::TOKEN_ANY, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_DATA (location_type l) + { + return symbol_type (token::TOKEN_DATA, std::move (l)); + } +#else + static + symbol_type + make_DATA (const location_type& l) + { + return symbol_type (token::TOKEN_DATA, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_ENTERPRISE (location_type l) + { + return symbol_type (token::TOKEN_ENTERPRISE, std::move (l)); + } +#else + static + symbol_type + make_ENTERPRISE (const location_type& l) + { + return symbol_type (token::TOKEN_ENTERPRISE, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_TOPLEVEL_BOOL (location_type l) + { + return symbol_type (token::TOKEN_TOPLEVEL_BOOL, std::move (l)); + } +#else + static + symbol_type + make_TOPLEVEL_BOOL (const location_type& l) + { + return symbol_type (token::TOKEN_TOPLEVEL_BOOL, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_TOPLEVEL_STRING (location_type l) + { + return symbol_type (token::TOKEN_TOPLEVEL_STRING, std::move (l)); + } +#else + static + symbol_type + make_TOPLEVEL_STRING (const location_type& l) + { + return symbol_type (token::TOKEN_TOPLEVEL_STRING, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_STRING (std::string v, location_type l) + { + return symbol_type (token::TOKEN_STRING, std::move (v), std::move (l)); + } +#else + static + symbol_type + make_STRING (const std::string& v, const location_type& l) + { + return symbol_type (token::TOKEN_STRING, v, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_INTEGER (std::string v, location_type l) + { + return symbol_type (token::TOKEN_INTEGER, std::move (v), std::move (l)); + } +#else + static + symbol_type + make_INTEGER (const std::string& v, const location_type& l) + { + return symbol_type (token::TOKEN_INTEGER, v, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_HEXSTRING (std::string v, location_type l) + { + return symbol_type (token::TOKEN_HEXSTRING, std::move (v), std::move (l)); + } +#else + static + symbol_type + make_HEXSTRING (const std::string& v, const location_type& l) + { + return symbol_type (token::TOKEN_HEXSTRING, v, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_OPTION_NAME (std::string v, location_type l) + { + return symbol_type (token::TOKEN_OPTION_NAME, std::move (v), std::move (l)); + } +#else + static + symbol_type + make_OPTION_NAME (const std::string& v, const location_type& l) + { + return symbol_type (token::TOKEN_OPTION_NAME, v, l); + } +#endif +#if 201103L <= YY_CPLUSPLUS + static + symbol_type + make_IP_ADDRESS (std::string v, location_type l) + { + return symbol_type (token::TOKEN_IP_ADDRESS, std::move (v), std::move (l)); + } +#else + static + symbol_type + make_IP_ADDRESS (const std::string& v, const location_type& l) + { + return symbol_type (token::TOKEN_IP_ADDRESS, v, l); + } +#endif + + + class context + { + public: + context (const EvalParser& yyparser, const symbol_type& yyla); + const symbol_type& lookahead () const YY_NOEXCEPT { return yyla_; } + symbol_kind_type token () const YY_NOEXCEPT { return yyla_.kind (); } + const location_type& location () const YY_NOEXCEPT { return yyla_.location; } + + /// Put in YYARG at most YYARGN of the expected tokens, and return the + /// number of tokens stored in YYARG. If YYARG is null, return the + /// number of expected tokens (guaranteed to be less than YYNTOKENS). + int expected_tokens (symbol_kind_type yyarg[], int yyargn) const; + + private: + const EvalParser& yyparser_; + const symbol_type& yyla_; + }; + + private: +#if YY_CPLUSPLUS < 201103L + /// Non copyable. + EvalParser (const EvalParser&); + /// Non copyable. + EvalParser& operator= (const EvalParser&); +#endif + + + /// Stored state numbers (used for stacks). + typedef unsigned char state_type; + + /// The arguments of the error message. + int yy_syntax_error_arguments_ (const context& yyctx, + symbol_kind_type yyarg[], int yyargn) const; + + /// Generate an error message. + /// \param yyctx the context in which the error occurred. + virtual std::string yysyntax_error_ (const context& yyctx) const; + /// Compute post-reduction state. + /// \param yystate the current state + /// \param yysym the nonterminal to push on the stack + static state_type yy_lr_goto_state_ (state_type yystate, int yysym); + + /// Whether the given \c yypact_ value indicates a defaulted state. + /// \param yyvalue the value to check + static bool yy_pact_value_is_default_ (int yyvalue) YY_NOEXCEPT; + + /// Whether the given \c yytable_ value indicates a syntax error. + /// \param yyvalue the value to check + static bool yy_table_value_is_error_ (int yyvalue) YY_NOEXCEPT; + + static const short yypact_ninf_; + static const signed char yytable_ninf_; + + /// Convert a scanner token kind \a t to a symbol kind. + /// In theory \a t should be a token_kind_type, but character literals + /// are valid, yet not members of the token_kind_type enum. + static symbol_kind_type yytranslate_ (int t) YY_NOEXCEPT; + + /// Convert the symbol name \a n to a form suitable for a diagnostic. + static std::string yytnamerr_ (const char *yystr); + + /// For a symbol, its name in clear. + static const char* const yytname_[]; + + + // Tables. + // YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + // STATE-NUM. + static const short yypact_[]; + + // 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 signed char yydefact_[]; + + // YYPGOTO[NTERM-NUM]. + static const short yypgoto_[]; + + // YYDEFGOTO[NTERM-NUM]. + static const unsigned char yydefgoto_[]; + + // 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 unsigned char yytable_[]; + + static const short yycheck_[]; + + // YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of + // state STATE-NUM. + static const signed char yystos_[]; + + // YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM. + static const signed char yyr1_[]; + + // YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM. + static const signed char yyr2_[]; + + +#if EVALDEBUG + // YYRLINE[YYN] -- Source line where rule number YYN was defined. + static const short yyrline_[]; + /// Report on the debug stream that the rule \a r is going to be reduced. + virtual void yy_reduce_print_ (int r) const; + /// Print the state stack on the debug stream. + virtual void yy_stack_print_ () const; + + /// Debugging level. + int yydebug_; + /// Debug stream. + std::ostream* yycdebug_; + + /// \brief Display a symbol kind, value and location. + /// \param yyo The output stream. + /// \param yysym The symbol. + template <typename Base> + void yy_print_ (std::ostream& yyo, const basic_symbol<Base>& yysym) const; +#endif + + /// \brief Reclaim the memory associated to a symbol. + /// \param yymsg Why this token is reclaimed. + /// If null, print nothing. + /// \param yysym The symbol. + template <typename Base> + void yy_destroy_ (const char* yymsg, basic_symbol<Base>& yysym) const; + + private: + /// Type access provider for state based symbols. + struct by_state + { + /// Default constructor. + by_state () YY_NOEXCEPT; + + /// The symbol kind as needed by the constructor. + typedef state_type kind_type; + + /// Constructor. + by_state (kind_type s) YY_NOEXCEPT; + + /// Copy constructor. + by_state (const by_state& that) YY_NOEXCEPT; + + /// Record that this symbol is empty. + void clear () YY_NOEXCEPT; + + /// Steal the symbol kind from \a that. + void move (by_state& that); + + /// The symbol kind (corresponding to \a state). + /// \a symbol_kind::S_YYEMPTY when empty. + symbol_kind_type kind () const YY_NOEXCEPT; + + /// The state number used to denote an empty symbol. + /// We use the initial state, as it does not have a value. + enum { empty_state = 0 }; + + /// The state. + /// \a empty when empty. + state_type state; + }; + + /// "Internal" symbol: element of the stack. + struct stack_symbol_type : basic_symbol<by_state> + { + /// Superclass. + typedef basic_symbol<by_state> super_type; + /// Construct an empty symbol. + stack_symbol_type (); + /// Move or copy construction. + stack_symbol_type (YY_RVREF (stack_symbol_type) that); + /// Steal the contents from \a sym to build this. + stack_symbol_type (state_type s, YY_MOVE_REF (symbol_type) sym); +#if YY_CPLUSPLUS < 201103L + /// Assignment, needed by push_back by some old implementations. + /// Moves the contents of that. + stack_symbol_type& operator= (stack_symbol_type& that); + + /// Assignment, needed by push_back by other implementations. + /// Needed by some other old implementations. + stack_symbol_type& operator= (const stack_symbol_type& that); +#endif + }; + + /// A stack with random access from its top. + template <typename T, typename S = std::vector<T> > + class stack + { + public: + // Hide our reversed order. + typedef typename S::iterator iterator; + typedef typename S::const_iterator const_iterator; + typedef typename S::size_type size_type; + typedef typename std::ptrdiff_t index_type; + + stack (size_type n = 200) YY_NOEXCEPT + : seq_ (n) + {} + +#if 201103L <= YY_CPLUSPLUS + /// Non copyable. + stack (const stack&) = delete; + /// Non copyable. + stack& operator= (const stack&) = delete; +#endif + + /// Random access. + /// + /// Index 0 returns the topmost element. + const T& + operator[] (index_type i) const + { + return seq_[size_type (size () - 1 - i)]; + } + + /// Random access. + /// + /// Index 0 returns the topmost element. + T& + operator[] (index_type i) + { + return seq_[size_type (size () - 1 - i)]; + } + + /// Steal the contents of \a t. + /// + /// Close to move-semantics. + void + push (YY_MOVE_REF (T) t) + { + seq_.push_back (T ()); + operator[] (0).move (t); + } + + /// Pop elements from the stack. + void + pop (std::ptrdiff_t n = 1) YY_NOEXCEPT + { + for (; 0 < n; --n) + seq_.pop_back (); + } + + /// Pop all elements from the stack. + void + clear () YY_NOEXCEPT + { + seq_.clear (); + } + + /// Number of elements on the stack. + index_type + size () const YY_NOEXCEPT + { + return index_type (seq_.size ()); + } + + /// Iterator on top of the stack (going downwards). + const_iterator + begin () const YY_NOEXCEPT + { + return seq_.begin (); + } + + /// Bottom of the stack. + const_iterator + end () const YY_NOEXCEPT + { + return seq_.end (); + } + + /// Present a slice of the top of a stack. + class slice + { + public: + slice (const stack& stack, index_type range) YY_NOEXCEPT + : stack_ (stack) + , range_ (range) + {} + + const T& + operator[] (index_type i) const + { + return stack_[range_ - i]; + } + + private: + const stack& stack_; + index_type range_; + }; + + private: +#if YY_CPLUSPLUS < 201103L + /// Non copyable. + stack (const stack&); + /// Non copyable. + stack& operator= (const stack&); +#endif + /// The wrapped container. + S seq_; + }; + + + /// Stack type. + typedef stack<stack_symbol_type> stack_type; + + /// The stack. + stack_type yystack_; + + /// Push a new state on the stack. + /// \param m a debug message to display + /// if null, no trace is output. + /// \param sym the symbol + /// \warning the contents of \a s.value is stolen. + void yypush_ (const char* m, YY_MOVE_REF (stack_symbol_type) sym); + + /// Push a new look ahead token on the state on the stack. + /// \param m a debug message to display + /// if null, no trace is output. + /// \param s the state + /// \param sym the symbol (for its value and location). + /// \warning the contents of \a sym.value is stolen. + void yypush_ (const char* m, state_type s, YY_MOVE_REF (symbol_type) sym); + + /// Pop \a n symbols from the stack. + void yypop_ (int n = 1) YY_NOEXCEPT; + + /// Constants. + enum + { + yylast_ = 286, ///< Last index in yytable_. + yynnts_ = 18, ///< Number of nonterminal symbols. + yyfinal_ = 42 ///< Termination state number. + }; + + + // User arguments. + EvalContext& ctx; + + }; + + inline + EvalParser::symbol_kind_type + EvalParser::yytranslate_ (int t) YY_NOEXCEPT + { + // YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to + // TOKEN-NUM as returned by yylex. + static + const signed char + translate_table[] = + { + 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, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 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, 63 + }; + // Last valid token kind. + const int code_max = 318; + + if (t <= 0) + return symbol_kind::S_YYEOF; + else if (t <= code_max) + return static_cast <symbol_kind_type> (translate_table[t]); + else + return symbol_kind::S_YYUNDEF; + } + + // basic_symbol. + template <typename Base> + EvalParser::basic_symbol<Base>::basic_symbol (const basic_symbol& that) + : Base (that) + , value () + , location (that.location) + { + switch (this->kind ()) + { + case symbol_kind::S_option_repr_type: // option_repr_type + value.copy< TokenOption::RepresentationType > (YY_MOVE (that.value)); + break; + + case symbol_kind::S_pkt4_field: // pkt4_field + value.copy< TokenPkt4::FieldType > (YY_MOVE (that.value)); + break; + + case symbol_kind::S_pkt6_field: // pkt6_field + value.copy< TokenPkt6::FieldType > (YY_MOVE (that.value)); + break; + + case symbol_kind::S_pkt_metadata: // pkt_metadata + value.copy< TokenPkt::MetadataType > (YY_MOVE (that.value)); + break; + + case symbol_kind::S_relay6_field: // relay6_field + value.copy< TokenRelay6Field::FieldType > (YY_MOVE (that.value)); + break; + + case symbol_kind::S_nest_level: // nest_level + value.copy< int8_t > (YY_MOVE (that.value)); + break; + + case symbol_kind::S_STRING: // "constant string" + case symbol_kind::S_INTEGER: // "integer" + case symbol_kind::S_HEXSTRING: // "constant hexstring" + case symbol_kind::S_OPTION_NAME: // "option name" + case symbol_kind::S_IP_ADDRESS: // "ip address" + value.copy< std::string > (YY_MOVE (that.value)); + break; + + case symbol_kind::S_option_code: // option_code + case symbol_kind::S_sub_option_code: // sub_option_code + value.copy< uint16_t > (YY_MOVE (that.value)); + break; + + case symbol_kind::S_integer_expr: // integer_expr + case symbol_kind::S_enterprise_id: // enterprise_id + value.copy< uint32_t > (YY_MOVE (that.value)); + break; + + default: + break; + } + + } + + + + + template <typename Base> + EvalParser::symbol_kind_type + EvalParser::basic_symbol<Base>::type_get () const YY_NOEXCEPT + { + return this->kind (); + } + + + template <typename Base> + bool + EvalParser::basic_symbol<Base>::empty () const YY_NOEXCEPT + { + return this->kind () == symbol_kind::S_YYEMPTY; + } + + template <typename Base> + void + EvalParser::basic_symbol<Base>::move (basic_symbol& s) + { + super_type::move (s); + switch (this->kind ()) + { + case symbol_kind::S_option_repr_type: // option_repr_type + value.move< TokenOption::RepresentationType > (YY_MOVE (s.value)); + break; + + case symbol_kind::S_pkt4_field: // pkt4_field + value.move< TokenPkt4::FieldType > (YY_MOVE (s.value)); + break; + + case symbol_kind::S_pkt6_field: // pkt6_field + value.move< TokenPkt6::FieldType > (YY_MOVE (s.value)); + break; + + case symbol_kind::S_pkt_metadata: // pkt_metadata + value.move< TokenPkt::MetadataType > (YY_MOVE (s.value)); + break; + + case symbol_kind::S_relay6_field: // relay6_field + value.move< TokenRelay6Field::FieldType > (YY_MOVE (s.value)); + break; + + case symbol_kind::S_nest_level: // nest_level + value.move< int8_t > (YY_MOVE (s.value)); + break; + + case symbol_kind::S_STRING: // "constant string" + case symbol_kind::S_INTEGER: // "integer" + case symbol_kind::S_HEXSTRING: // "constant hexstring" + case symbol_kind::S_OPTION_NAME: // "option name" + case symbol_kind::S_IP_ADDRESS: // "ip address" + value.move< std::string > (YY_MOVE (s.value)); + break; + + case symbol_kind::S_option_code: // option_code + case symbol_kind::S_sub_option_code: // sub_option_code + value.move< uint16_t > (YY_MOVE (s.value)); + break; + + case symbol_kind::S_integer_expr: // integer_expr + case symbol_kind::S_enterprise_id: // enterprise_id + value.move< uint32_t > (YY_MOVE (s.value)); + break; + + default: + break; + } + + location = YY_MOVE (s.location); + } + + // by_kind. + inline + EvalParser::by_kind::by_kind () YY_NOEXCEPT + : kind_ (symbol_kind::S_YYEMPTY) + {} + +#if 201103L <= YY_CPLUSPLUS + inline + EvalParser::by_kind::by_kind (by_kind&& that) YY_NOEXCEPT + : kind_ (that.kind_) + { + that.clear (); + } +#endif + + inline + EvalParser::by_kind::by_kind (const by_kind& that) YY_NOEXCEPT + : kind_ (that.kind_) + {} + + inline + EvalParser::by_kind::by_kind (token_kind_type t) YY_NOEXCEPT + : kind_ (yytranslate_ (t)) + {} + + + + inline + void + EvalParser::by_kind::clear () YY_NOEXCEPT + { + kind_ = symbol_kind::S_YYEMPTY; + } + + inline + void + EvalParser::by_kind::move (by_kind& that) + { + kind_ = that.kind_; + that.clear (); + } + + inline + EvalParser::symbol_kind_type + EvalParser::by_kind::kind () const YY_NOEXCEPT + { + return kind_; + } + + + inline + EvalParser::symbol_kind_type + EvalParser::by_kind::type_get () const YY_NOEXCEPT + { + return this->kind (); + } + + +#line 14 "parser.yy" +} } // isc::eval +#line 2673 "parser.h" + + + + +#endif // !YY_EVAL_PARSER_H_INCLUDED |