Adding upstream version 2.4.1.upstream/2.4.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2534 insertions, 0 deletions

diff --git a/src/bin/agent/agent_parser.h b/src/bin/agent/agent_parser.h
new file mode 100644
index 0000000..55e0573
--- /dev/null
+++ b/src/bin/agent/agent_parser.h
@@ -0,0 +1,2534 @@
+// 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 agent_parser.h
+ ** Define the isc::agent::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_AGENT_AGENT_PARSER_H_INCLUDED
+# define YY_AGENT_AGENT_PARSER_H_INCLUDED
+// "%code requires" blocks.
+#line 17 "agent_parser.yy"
+
+#include <string>
+#include <cc/data.h>
+#include <boost/lexical_cast.hpp>
+#include <agent/parser_context_decl.h>
+
+using namespace isc::agent;
+using namespace isc::data;
+using namespace std;
+
+#line 60 "agent_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 AGENT__ASSERT
+# include <cassert>
+# define AGENT__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 AGENT_DEBUG
+# if defined YYDEBUG
+#if YYDEBUG
+#   define AGENT_DEBUG 1
+#  else
+#   define AGENT_DEBUG 0
+#  endif
+# else /* ! defined YYDEBUG */
+#  define AGENT_DEBUG 1
+# endif /* ! defined YYDEBUG */
+#endif  /* ! defined AGENT_DEBUG */
+
+#line 14 "agent_parser.yy"
+namespace isc { namespace agent {
+#line 209 "agent_parser.h"
+
+
+
+
+  /// A Bison parser.
+  class AgentParser
+  {
+  public:
+#ifdef AGENT_STYPE
+# ifdef __GNUC__
+#  pragma GCC message "bison: do not #define AGENT_STYPE in C++, use %define api.value.type"
+# endif
+    typedef AGENT_STYPE 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))
+    {
+      AGENT__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
+    {
+      AGENT__ASSERT (!yytypeid_);
+    }
+
+# if 201103L <= YY_CPLUSPLUS
+    /// Instantiate a \a T in here from \a t.
+    template <typename T, typename... U>
+    T&
+    emplace (U&&... u)
+    {
+      AGENT__ASSERT (!yytypeid_);
+      AGENT__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 ()
+    {
+      AGENT__ASSERT (!yytypeid_);
+      AGENT__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)
+    {
+      AGENT__ASSERT (!yytypeid_);
+      AGENT__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
+    {
+      AGENT__ASSERT (yytypeid_);
+      AGENT__ASSERT (*yytypeid_ == typeid (T));
+      AGENT__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
+    {
+      AGENT__ASSERT (yytypeid_);
+      AGENT__ASSERT (*yytypeid_ == typeid (T));
+      AGENT__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
+    {
+      AGENT__ASSERT (yytypeid_);
+      AGENT__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
+    {
+      // value
+      // map_value
+      // socket_type_value
+      // auth_type_value
+      char dummy1[sizeof (ElementPtr)];
+
+      // "boolean"
+      char dummy2[sizeof (bool)];
+
+      // "floating point"
+      char dummy3[sizeof (double)];
+
+      // "integer"
+      char dummy4[sizeof (int64_t)];
+
+      // "constant string"
+      char dummy5[sizeof (std::string)];
+    };
+
+    /// 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_AGENT_EMPTY = -2,
+    TOKEN_END = 0,                 // "end of file"
+    TOKEN_AGENT_error = 256,       // error
+    TOKEN_AGENT_UNDEF = 257,       // "invalid token"
+    TOKEN_COMMA = 258,             // ","
+    TOKEN_COLON = 259,             // ":"
+    TOKEN_LSQUARE_BRACKET = 260,   // "["
+    TOKEN_RSQUARE_BRACKET = 261,   // "]"
+    TOKEN_LCURLY_BRACKET = 262,    // "{"
+    TOKEN_RCURLY_BRACKET = 263,    // "}"
+    TOKEN_NULL_TYPE = 264,         // "null"
+    TOKEN_CONTROL_AGENT = 265,     // "Control-agent"
+    TOKEN_HTTP_HOST = 266,         // "http-host"
+    TOKEN_HTTP_PORT = 267,         // "http-port"
+    TOKEN_USER_CONTEXT = 268,      // "user-context"
+    TOKEN_COMMENT = 269,           // "comment"
+    TOKEN_AUTHENTICATION = 270,    // "authentication"
+    TOKEN_TYPE = 271,              // "type"
+    TOKEN_BASIC = 272,             // "basic"
+    TOKEN_REALM = 273,             // "realm"
+    TOKEN_DIRECTORY = 274,         // "directory"
+    TOKEN_CLIENTS = 275,           // "clients"
+    TOKEN_USER = 276,              // "user"
+    TOKEN_USER_FILE = 277,         // "user-file"
+    TOKEN_PASSWORD = 278,          // "password"
+    TOKEN_PASSWORD_FILE = 279,     // "password-file"
+    TOKEN_TRUST_ANCHOR = 280,      // "trust-anchor"
+    TOKEN_CERT_FILE = 281,         // "cert-file"
+    TOKEN_KEY_FILE = 282,          // "key-file"
+    TOKEN_CERT_REQUIRED = 283,     // "cert-required"
+    TOKEN_CONTROL_SOCKETS = 284,   // "control-sockets"
+    TOKEN_DHCP4_SERVER = 285,      // "dhcp4"
+    TOKEN_DHCP6_SERVER = 286,      // "dhcp6"
+    TOKEN_D2_SERVER = 287,         // "d2"
+    TOKEN_SOCKET_NAME = 288,       // "socket-name"
+    TOKEN_SOCKET_TYPE = 289,       // "socket-type"
+    TOKEN_UNIX = 290,              // "unix"
+    TOKEN_HOOKS_LIBRARIES = 291,   // "hooks-libraries"
+    TOKEN_LIBRARY = 292,           // "library"
+    TOKEN_PARAMETERS = 293,        // "parameters"
+    TOKEN_LOGGERS = 294,           // "loggers"
+    TOKEN_NAME = 295,              // "name"
+    TOKEN_OUTPUT_OPTIONS = 296,    // "output_options"
+    TOKEN_OUTPUT = 297,            // "output"
+    TOKEN_DEBUGLEVEL = 298,        // "debuglevel"
+    TOKEN_SEVERITY = 299,          // "severity"
+    TOKEN_FLUSH = 300,             // "flush"
+    TOKEN_MAXSIZE = 301,           // "maxsize"
+    TOKEN_MAXVER = 302,            // "maxver"
+    TOKEN_PATTERN = 303,           // "pattern"
+    TOKEN_START_JSON = 304,        // START_JSON
+    TOKEN_START_AGENT = 305,       // START_AGENT
+    TOKEN_START_SUB_AGENT = 306,   // START_SUB_AGENT
+    TOKEN_STRING = 307,            // "constant string"
+    TOKEN_INTEGER = 308,           // "integer"
+    TOKEN_FLOAT = 309,             // "floating point"
+    TOKEN_BOOLEAN = 310            // "boolean"
+      };
+      /// 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 = 56, ///< Number of tokens.
+        S_YYEMPTY = -2,
+        S_YYEOF = 0,                             // "end of file"
+        S_YYerror = 1,                           // error
+        S_YYUNDEF = 2,                           // "invalid token"
+        S_COMMA = 3,                             // ","
+        S_COLON = 4,                             // ":"
+        S_LSQUARE_BRACKET = 5,                   // "["
+        S_RSQUARE_BRACKET = 6,                   // "]"
+        S_LCURLY_BRACKET = 7,                    // "{"
+        S_RCURLY_BRACKET = 8,                    // "}"
+        S_NULL_TYPE = 9,                         // "null"
+        S_CONTROL_AGENT = 10,                    // "Control-agent"
+        S_HTTP_HOST = 11,                        // "http-host"
+        S_HTTP_PORT = 12,                        // "http-port"
+        S_USER_CONTEXT = 13,                     // "user-context"
+        S_COMMENT = 14,                          // "comment"
+        S_AUTHENTICATION = 15,                   // "authentication"
+        S_TYPE = 16,                             // "type"
+        S_BASIC = 17,                            // "basic"
+        S_REALM = 18,                            // "realm"
+        S_DIRECTORY = 19,                        // "directory"
+        S_CLIENTS = 20,                          // "clients"
+        S_USER = 21,                             // "user"
+        S_USER_FILE = 22,                        // "user-file"
+        S_PASSWORD = 23,                         // "password"
+        S_PASSWORD_FILE = 24,                    // "password-file"
+        S_TRUST_ANCHOR = 25,                     // "trust-anchor"
+        S_CERT_FILE = 26,                        // "cert-file"
+        S_KEY_FILE = 27,                         // "key-file"
+        S_CERT_REQUIRED = 28,                    // "cert-required"
+        S_CONTROL_SOCKETS = 29,                  // "control-sockets"
+        S_DHCP4_SERVER = 30,                     // "dhcp4"
+        S_DHCP6_SERVER = 31,                     // "dhcp6"
+        S_D2_SERVER = 32,                        // "d2"
+        S_SOCKET_NAME = 33,                      // "socket-name"
+        S_SOCKET_TYPE = 34,                      // "socket-type"
+        S_UNIX = 35,                             // "unix"
+        S_HOOKS_LIBRARIES = 36,                  // "hooks-libraries"
+        S_LIBRARY = 37,                          // "library"
+        S_PARAMETERS = 38,                       // "parameters"
+        S_LOGGERS = 39,                          // "loggers"
+        S_NAME = 40,                             // "name"
+        S_OUTPUT_OPTIONS = 41,                   // "output_options"
+        S_OUTPUT = 42,                           // "output"
+        S_DEBUGLEVEL = 43,                       // "debuglevel"
+        S_SEVERITY = 44,                         // "severity"
+        S_FLUSH = 45,                            // "flush"
+        S_MAXSIZE = 46,                          // "maxsize"
+        S_MAXVER = 47,                           // "maxver"
+        S_PATTERN = 48,                          // "pattern"
+        S_START_JSON = 49,                       // START_JSON
+        S_START_AGENT = 50,                      // START_AGENT
+        S_START_SUB_AGENT = 51,                  // START_SUB_AGENT
+        S_STRING = 52,                           // "constant string"
+        S_INTEGER = 53,                          // "integer"
+        S_FLOAT = 54,                            // "floating point"
+        S_BOOLEAN = 55,                          // "boolean"
+        S_YYACCEPT = 56,                         // $accept
+        S_start = 57,                            // start
+        S_58_1 = 58,                             // $@1
+        S_59_2 = 59,                             // $@2
+        S_60_3 = 60,                             // $@3
+        S_sub_agent = 61,                        // sub_agent
+        S_62_4 = 62,                             // $@4
+        S_json = 63,                             // json
+        S_value = 64,                            // value
+        S_map = 65,                              // map
+        S_66_5 = 66,                             // $@5
+        S_map_value = 67,                        // map_value
+        S_map_content = 68,                      // map_content
+        S_not_empty_map = 69,                    // not_empty_map
+        S_list_generic = 70,                     // list_generic
+        S_71_6 = 71,                             // $@6
+        S_list_content = 72,                     // list_content
+        S_not_empty_list = 73,                   // not_empty_list
+        S_unknown_map_entry = 74,                // unknown_map_entry
+        S_agent_syntax_map = 75,                 // agent_syntax_map
+        S_76_7 = 76,                             // $@7
+        S_global_object = 77,                    // global_object
+        S_78_8 = 78,                             // $@8
+        S_global_object_comma = 79,              // global_object_comma
+        S_global_params = 80,                    // global_params
+        S_global_param = 81,                     // global_param
+        S_http_host = 82,                        // http_host
+        S_83_9 = 83,                             // $@9
+        S_http_port = 84,                        // http_port
+        S_trust_anchor = 85,                     // trust_anchor
+        S_86_10 = 86,                            // $@10
+        S_cert_file = 87,                        // cert_file
+        S_88_11 = 88,                            // $@11
+        S_key_file = 89,                         // key_file
+        S_90_12 = 90,                            // $@12
+        S_cert_required = 91,                    // cert_required
+        S_user_context = 92,                     // user_context
+        S_93_13 = 93,                            // $@13
+        S_comment = 94,                          // comment
+        S_95_14 = 95,                            // $@14
+        S_hooks_libraries = 96,                  // hooks_libraries
+        S_97_15 = 97,                            // $@15
+        S_hooks_libraries_list = 98,             // hooks_libraries_list
+        S_not_empty_hooks_libraries_list = 99,   // not_empty_hooks_libraries_list
+        S_hooks_library = 100,                   // hooks_library
+        S_101_16 = 101,                          // $@16
+        S_hooks_params = 102,                    // hooks_params
+        S_hooks_param = 103,                     // hooks_param
+        S_library = 104,                         // library
+        S_105_17 = 105,                          // $@17
+        S_parameters = 106,                      // parameters
+        S_107_18 = 107,                          // $@18
+        S_control_sockets = 108,                 // control_sockets
+        S_109_19 = 109,                          // $@19
+        S_control_sockets_params = 110,          // control_sockets_params
+        S_control_socket = 111,                  // control_socket
+        S_dhcp4_server_socket = 112,             // dhcp4_server_socket
+        S_113_20 = 113,                          // $@20
+        S_dhcp6_server_socket = 114,             // dhcp6_server_socket
+        S_115_21 = 115,                          // $@21
+        S_d2_server_socket = 116,                // d2_server_socket
+        S_117_22 = 117,                          // $@22
+        S_control_socket_params = 118,           // control_socket_params
+        S_control_socket_param = 119,            // control_socket_param
+        S_socket_name = 120,                     // socket_name
+        S_121_23 = 121,                          // $@23
+        S_socket_type = 122,                     // socket_type
+        S_123_24 = 123,                          // $@24
+        S_socket_type_value = 124,               // socket_type_value
+        S_authentication = 125,                  // authentication
+        S_126_25 = 126,                          // $@25
+        S_auth_params = 127,                     // auth_params
+        S_auth_param = 128,                      // auth_param
+        S_auth_type = 129,                       // auth_type
+        S_130_26 = 130,                          // $@26
+        S_auth_type_value = 131,                 // auth_type_value
+        S_realm = 132,                           // realm
+        S_133_27 = 133,                          // $@27
+        S_directory = 134,                       // directory
+        S_135_28 = 135,                          // $@28
+        S_clients = 136,                         // clients
+        S_137_29 = 137,                          // $@29
+        S_clients_list = 138,                    // clients_list
+        S_not_empty_clients_list = 139,          // not_empty_clients_list
+        S_basic_auth = 140,                      // basic_auth
+        S_141_30 = 141,                          // $@30
+        S_clients_params = 142,                  // clients_params
+        S_clients_param = 143,                   // clients_param
+        S_user = 144,                            // user
+        S_145_31 = 145,                          // $@31
+        S_user_file = 146,                       // user_file
+        S_147_32 = 147,                          // $@32
+        S_password = 148,                        // password
+        S_149_33 = 149,                          // $@33
+        S_password_file = 150,                   // password_file
+        S_151_34 = 151,                          // $@34
+        S_loggers = 152,                         // loggers
+        S_153_35 = 153,                          // $@35
+        S_loggers_entries = 154,                 // loggers_entries
+        S_logger_entry = 155,                    // logger_entry
+        S_156_36 = 156,                          // $@36
+        S_logger_params = 157,                   // logger_params
+        S_logger_param = 158,                    // logger_param
+        S_name = 159,                            // name
+        S_160_37 = 160,                          // $@37
+        S_debuglevel = 161,                      // debuglevel
+        S_severity = 162,                        // severity
+        S_163_38 = 163,                          // $@38
+        S_output_options_list = 164,             // output_options_list
+        S_165_39 = 165,                          // $@39
+        S_output_options_list_content = 166,     // output_options_list_content
+        S_output_entry = 167,                    // output_entry
+        S_168_40 = 168,                          // $@40
+        S_output_params_list = 169,              // output_params_list
+        S_output_params = 170,                   // output_params
+        S_output = 171,                          // output
+        S_172_41 = 172,                          // $@41
+        S_flush = 173,                           // flush
+        S_maxsize = 174,                         // maxsize
+        S_maxver = 175,                          // maxver
+        S_pattern = 176,                         // pattern
+        S_177_42 = 177                           // $@42
+      };
+    };
+
+    /// (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_value: // value
+      case symbol_kind::S_map_value: // map_value
+      case symbol_kind::S_socket_type_value: // socket_type_value
+      case symbol_kind::S_auth_type_value: // auth_type_value
+        value.move< ElementPtr > (std::move (that.value));
+        break;
+
+      case symbol_kind::S_BOOLEAN: // "boolean"
+        value.move< bool > (std::move (that.value));
+        break;
+
+      case symbol_kind::S_FLOAT: // "floating point"
+        value.move< double > (std::move (that.value));
+        break;
+
+      case symbol_kind::S_INTEGER: // "integer"
+        value.move< int64_t > (std::move (that.value));
+        break;
+
+      case symbol_kind::S_STRING: // "constant string"
+        value.move< std::string > (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, ElementPtr&& v, location_type&& l)
+        : Base (t)
+        , value (std::move (v))
+        , location (std::move (l))
+      {}
+#else
+      basic_symbol (typename Base::kind_type t, const ElementPtr& v, const location_type& l)
+        : Base (t)
+        , value (v)
+        , location (l)
+      {}
+#endif
+
+#if 201103L <= YY_CPLUSPLUS
+      basic_symbol (typename Base::kind_type t, bool&& v, location_type&& l)
+        : Base (t)
+        , value (std::move (v))
+        , location (std::move (l))
+      {}
+#else
+      basic_symbol (typename Base::kind_type t, const bool& v, const location_type& l)
+        : Base (t)
+        , value (v)
+        , location (l)
+      {}
+#endif
+
+#if 201103L <= YY_CPLUSPLUS
+      basic_symbol (typename Base::kind_type t, double&& v, location_type&& l)
+        : Base (t)
+        , value (std::move (v))
+        , location (std::move (l))
+      {}
+#else
+      basic_symbol (typename Base::kind_type t, const double& v, const location_type& l)
+        : Base (t)
+        , value (v)
+        , location (l)
+      {}
+#endif
+
+#if 201103L <= YY_CPLUSPLUS
+      basic_symbol (typename Base::kind_type t, int64_t&& v, location_type&& l)
+        : Base (t)
+        , value (std::move (v))
+        , location (std::move (l))
+      {}
+#else
+      basic_symbol (typename Base::kind_type t, const int64_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
+
+      /// 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_value: // value
+      case symbol_kind::S_map_value: // map_value
+      case symbol_kind::S_socket_type_value: // socket_type_value
+      case symbol_kind::S_auth_type_value: // auth_type_value
+        value.template destroy< ElementPtr > ();
+        break;
+
+      case symbol_kind::S_BOOLEAN: // "boolean"
+        value.template destroy< bool > ();
+        break;
+
+      case symbol_kind::S_FLOAT: // "floating point"
+        value.template destroy< double > ();
+        break;
+
+      case symbol_kind::S_INTEGER: // "integer"
+        value.template destroy< int64_t > ();
+        break;
+
+      case symbol_kind::S_STRING: // "constant string"
+        value.template destroy< std::string > ();
+        break;
+
+      default:
+        break;
+    }
+
+        Base::clear ();
+      }
+
+      /// The user-facing name of this symbol.
+      std::string name () const YY_NOEXCEPT
+      {
+        return AgentParser::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__
+        AGENT__ASSERT (tok == token::TOKEN_END
+                   || (token::TOKEN_AGENT_error <= tok && tok <= token::TOKEN_START_SUB_AGENT));
+#endif
+      }
+#if 201103L <= YY_CPLUSPLUS
+      symbol_type (int tok, bool v, location_type l)
+        : super_type (token_kind_type (tok), std::move (v), std::move (l))
+#else
+      symbol_type (int tok, const bool& v, const location_type& l)
+        : super_type (token_kind_type (tok), v, l)
+#endif
+      {
+#if !defined _MSC_VER || defined __clang__
+        AGENT__ASSERT (tok == token::TOKEN_BOOLEAN);
+#endif
+      }
+#if 201103L <= YY_CPLUSPLUS
+      symbol_type (int tok, double v, location_type l)
+        : super_type (token_kind_type (tok), std::move (v), std::move (l))
+#else
+      symbol_type (int tok, const double& v, const location_type& l)
+        : super_type (token_kind_type (tok), v, l)
+#endif
+      {
+#if !defined _MSC_VER || defined __clang__
+        AGENT__ASSERT (tok == token::TOKEN_FLOAT);
+#endif
+      }
+#if 201103L <= YY_CPLUSPLUS
+      symbol_type (int tok, int64_t v, location_type l)
+        : super_type (token_kind_type (tok), std::move (v), std::move (l))
+#else
+      symbol_type (int tok, const int64_t& v, const location_type& l)
+        : super_type (token_kind_type (tok), v, l)
+#endif
+      {
+#if !defined _MSC_VER || defined __clang__
+        AGENT__ASSERT (tok == token::TOKEN_INTEGER);
+#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__
+        AGENT__ASSERT (tok == token::TOKEN_STRING);
+#endif
+      }
+    };
+
+    /// Build a parser object.
+    AgentParser (isc::agent::ParserContext& ctx_yyarg);
+    virtual ~AgentParser ();
+
+#if 201103L <= YY_CPLUSPLUS
+    /// Non copyable.
+    AgentParser (const AgentParser&) = delete;
+    /// Non copyable.
+    AgentParser& operator= (const AgentParser&) = delete;
+#endif
+
+    /// Parse.  An alias for parse ().
+    /// \returns  0 iff parsing succeeded.
+    int operator() ();
+
+    /// Parse.
+    /// \returns  0 iff parsing succeeded.
+    virtual int parse ();
+
+#if AGENT_DEBUG
+    /// 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_AGENT_error (location_type l)
+      {
+        return symbol_type (token::TOKEN_AGENT_error, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_AGENT_error (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_AGENT_error, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_AGENT_UNDEF (location_type l)
+      {
+        return symbol_type (token::TOKEN_AGENT_UNDEF, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_AGENT_UNDEF (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_AGENT_UNDEF, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_COMMA (location_type l)
+      {
+        return symbol_type (token::TOKEN_COMMA, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_COMMA (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_COMMA, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_COLON (location_type l)
+      {
+        return symbol_type (token::TOKEN_COLON, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_COLON (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_COLON, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_LSQUARE_BRACKET (location_type l)
+      {
+        return symbol_type (token::TOKEN_LSQUARE_BRACKET, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_LSQUARE_BRACKET (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_LSQUARE_BRACKET, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_RSQUARE_BRACKET (location_type l)
+      {
+        return symbol_type (token::TOKEN_RSQUARE_BRACKET, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_RSQUARE_BRACKET (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_RSQUARE_BRACKET, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_LCURLY_BRACKET (location_type l)
+      {
+        return symbol_type (token::TOKEN_LCURLY_BRACKET, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_LCURLY_BRACKET (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_LCURLY_BRACKET, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_RCURLY_BRACKET (location_type l)
+      {
+        return symbol_type (token::TOKEN_RCURLY_BRACKET, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_RCURLY_BRACKET (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_RCURLY_BRACKET, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_NULL_TYPE (location_type l)
+      {
+        return symbol_type (token::TOKEN_NULL_TYPE, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_NULL_TYPE (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_NULL_TYPE, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_CONTROL_AGENT (location_type l)
+      {
+        return symbol_type (token::TOKEN_CONTROL_AGENT, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_CONTROL_AGENT (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_CONTROL_AGENT, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_HTTP_HOST (location_type l)
+      {
+        return symbol_type (token::TOKEN_HTTP_HOST, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_HTTP_HOST (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_HTTP_HOST, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_HTTP_PORT (location_type l)
+      {
+        return symbol_type (token::TOKEN_HTTP_PORT, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_HTTP_PORT (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_HTTP_PORT, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_USER_CONTEXT (location_type l)
+      {
+        return symbol_type (token::TOKEN_USER_CONTEXT, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_USER_CONTEXT (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_USER_CONTEXT, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_COMMENT (location_type l)
+      {
+        return symbol_type (token::TOKEN_COMMENT, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_COMMENT (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_COMMENT, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_AUTHENTICATION (location_type l)
+      {
+        return symbol_type (token::TOKEN_AUTHENTICATION, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_AUTHENTICATION (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_AUTHENTICATION, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_TYPE (location_type l)
+      {
+        return symbol_type (token::TOKEN_TYPE, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_TYPE (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_TYPE, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_BASIC (location_type l)
+      {
+        return symbol_type (token::TOKEN_BASIC, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_BASIC (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_BASIC, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_REALM (location_type l)
+      {
+        return symbol_type (token::TOKEN_REALM, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_REALM (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_REALM, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_DIRECTORY (location_type l)
+      {
+        return symbol_type (token::TOKEN_DIRECTORY, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_DIRECTORY (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_DIRECTORY, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_CLIENTS (location_type l)
+      {
+        return symbol_type (token::TOKEN_CLIENTS, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_CLIENTS (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_CLIENTS, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_USER (location_type l)
+      {
+        return symbol_type (token::TOKEN_USER, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_USER (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_USER, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_USER_FILE (location_type l)
+      {
+        return symbol_type (token::TOKEN_USER_FILE, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_USER_FILE (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_USER_FILE, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_PASSWORD (location_type l)
+      {
+        return symbol_type (token::TOKEN_PASSWORD, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_PASSWORD (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_PASSWORD, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_PASSWORD_FILE (location_type l)
+      {
+        return symbol_type (token::TOKEN_PASSWORD_FILE, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_PASSWORD_FILE (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_PASSWORD_FILE, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_TRUST_ANCHOR (location_type l)
+      {
+        return symbol_type (token::TOKEN_TRUST_ANCHOR, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_TRUST_ANCHOR (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_TRUST_ANCHOR, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_CERT_FILE (location_type l)
+      {
+        return symbol_type (token::TOKEN_CERT_FILE, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_CERT_FILE (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_CERT_FILE, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_KEY_FILE (location_type l)
+      {
+        return symbol_type (token::TOKEN_KEY_FILE, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_KEY_FILE (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_KEY_FILE, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_CERT_REQUIRED (location_type l)
+      {
+        return symbol_type (token::TOKEN_CERT_REQUIRED, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_CERT_REQUIRED (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_CERT_REQUIRED, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_CONTROL_SOCKETS (location_type l)
+      {
+        return symbol_type (token::TOKEN_CONTROL_SOCKETS, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_CONTROL_SOCKETS (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_CONTROL_SOCKETS, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_DHCP4_SERVER (location_type l)
+      {
+        return symbol_type (token::TOKEN_DHCP4_SERVER, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_DHCP4_SERVER (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_DHCP4_SERVER, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_DHCP6_SERVER (location_type l)
+      {
+        return symbol_type (token::TOKEN_DHCP6_SERVER, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_DHCP6_SERVER (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_DHCP6_SERVER, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_D2_SERVER (location_type l)
+      {
+        return symbol_type (token::TOKEN_D2_SERVER, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_D2_SERVER (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_D2_SERVER, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_SOCKET_NAME (location_type l)
+      {
+        return symbol_type (token::TOKEN_SOCKET_NAME, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_SOCKET_NAME (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_SOCKET_NAME, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_SOCKET_TYPE (location_type l)
+      {
+        return symbol_type (token::TOKEN_SOCKET_TYPE, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_SOCKET_TYPE (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_SOCKET_TYPE, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_UNIX (location_type l)
+      {
+        return symbol_type (token::TOKEN_UNIX, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_UNIX (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_UNIX, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_HOOKS_LIBRARIES (location_type l)
+      {
+        return symbol_type (token::TOKEN_HOOKS_LIBRARIES, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_HOOKS_LIBRARIES (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_HOOKS_LIBRARIES, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_LIBRARY (location_type l)
+      {
+        return symbol_type (token::TOKEN_LIBRARY, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_LIBRARY (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_LIBRARY, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_PARAMETERS (location_type l)
+      {
+        return symbol_type (token::TOKEN_PARAMETERS, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_PARAMETERS (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_PARAMETERS, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_LOGGERS (location_type l)
+      {
+        return symbol_type (token::TOKEN_LOGGERS, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_LOGGERS (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_LOGGERS, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_NAME (location_type l)
+      {
+        return symbol_type (token::TOKEN_NAME, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_NAME (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_NAME, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_OUTPUT_OPTIONS (location_type l)
+      {
+        return symbol_type (token::TOKEN_OUTPUT_OPTIONS, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_OUTPUT_OPTIONS (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_OUTPUT_OPTIONS, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_OUTPUT (location_type l)
+      {
+        return symbol_type (token::TOKEN_OUTPUT, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_OUTPUT (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_OUTPUT, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_DEBUGLEVEL (location_type l)
+      {
+        return symbol_type (token::TOKEN_DEBUGLEVEL, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_DEBUGLEVEL (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_DEBUGLEVEL, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_SEVERITY (location_type l)
+      {
+        return symbol_type (token::TOKEN_SEVERITY, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_SEVERITY (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_SEVERITY, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_FLUSH (location_type l)
+      {
+        return symbol_type (token::TOKEN_FLUSH, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_FLUSH (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_FLUSH, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_MAXSIZE (location_type l)
+      {
+        return symbol_type (token::TOKEN_MAXSIZE, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_MAXSIZE (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_MAXSIZE, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_MAXVER (location_type l)
+      {
+        return symbol_type (token::TOKEN_MAXVER, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_MAXVER (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_MAXVER, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_PATTERN (location_type l)
+      {
+        return symbol_type (token::TOKEN_PATTERN, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_PATTERN (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_PATTERN, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_START_JSON (location_type l)
+      {
+        return symbol_type (token::TOKEN_START_JSON, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_START_JSON (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_START_JSON, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_START_AGENT (location_type l)
+      {
+        return symbol_type (token::TOKEN_START_AGENT, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_START_AGENT (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_START_AGENT, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_START_SUB_AGENT (location_type l)
+      {
+        return symbol_type (token::TOKEN_START_SUB_AGENT, std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_START_SUB_AGENT (const location_type& l)
+      {
+        return symbol_type (token::TOKEN_START_SUB_AGENT, 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 (int64_t v, location_type l)
+      {
+        return symbol_type (token::TOKEN_INTEGER, std::move (v), std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_INTEGER (const int64_t& v, const location_type& l)
+      {
+        return symbol_type (token::TOKEN_INTEGER, v, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_FLOAT (double v, location_type l)
+      {
+        return symbol_type (token::TOKEN_FLOAT, std::move (v), std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_FLOAT (const double& v, const location_type& l)
+      {
+        return symbol_type (token::TOKEN_FLOAT, v, l);
+      }
+#endif
+#if 201103L <= YY_CPLUSPLUS
+      static
+      symbol_type
+      make_BOOLEAN (bool v, location_type l)
+      {
+        return symbol_type (token::TOKEN_BOOLEAN, std::move (v), std::move (l));
+      }
+#else
+      static
+      symbol_type
+      make_BOOLEAN (const bool& v, const location_type& l)
+      {
+        return symbol_type (token::TOKEN_BOOLEAN, v, l);
+      }
+#endif
+
+
+    class context
+    {
+    public:
+      context (const AgentParser& 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 AgentParser& yyparser_;
+      const symbol_type& yyla_;
+    };
+
+  private:
+#if YY_CPLUSPLUS < 201103L
+    /// Non copyable.
+    AgentParser (const AgentParser&);
+    /// Non copyable.
+    AgentParser& operator= (const AgentParser&);
+#endif
+
+
+    /// Stored state numbers (used for stacks).
+    typedef short 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 unsigned char yydefact_[];
+
+    // YYPGOTO[NTERM-NUM].
+    static const short yypgoto_[];
+
+    // YYDEFGOTO[NTERM-NUM].
+    static const short yydefgoto_[];
+
+    // YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If
+    // positive, shift that token.  If negative, reduce the rule whose
+    // number is the opposite.  If YYTABLE_NINF, syntax error.
+    static const short yytable_[];
+
+    static const short yycheck_[];
+
+    // YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of
+    // state STATE-NUM.
+    static const unsigned char yystos_[];
+
+    // YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM.
+    static const unsigned char yyr1_[];
+
+    // YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM.
+    static const signed char yyr2_[];
+
+
+#if AGENT_DEBUG
+    // 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_ = 252,     ///< Last index in yytable_.
+      yynnts_ = 122,  ///< Number of nonterminal symbols.
+      yyfinal_ = 8 ///< Termination state number.
+    };
+
+
+    // User arguments.
+    isc::agent::ParserContext& ctx;
+
+  };
+
+  inline
+  AgentParser::symbol_kind_type
+  AgentParser::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
+    };
+    // Last valid token kind.
+    const int code_max = 310;
+
+    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>
+  AgentParser::basic_symbol<Base>::basic_symbol (const basic_symbol& that)
+    : Base (that)
+    , value ()
+    , location (that.location)
+  {
+    switch (this->kind ())
+    {
+      case symbol_kind::S_value: // value
+      case symbol_kind::S_map_value: // map_value
+      case symbol_kind::S_socket_type_value: // socket_type_value
+      case symbol_kind::S_auth_type_value: // auth_type_value
+        value.copy< ElementPtr > (YY_MOVE (that.value));
+        break;
+
+      case symbol_kind::S_BOOLEAN: // "boolean"
+        value.copy< bool > (YY_MOVE (that.value));
+        break;
+
+      case symbol_kind::S_FLOAT: // "floating point"
+        value.copy< double > (YY_MOVE (that.value));
+        break;
+
+      case symbol_kind::S_INTEGER: // "integer"
+        value.copy< int64_t > (YY_MOVE (that.value));
+        break;
+
+      case symbol_kind::S_STRING: // "constant string"
+        value.copy< std::string > (YY_MOVE (that.value));
+        break;
+
+      default:
+        break;
+    }
+
+  }
+
+
+
+
+  template <typename Base>
+  AgentParser::symbol_kind_type
+  AgentParser::basic_symbol<Base>::type_get () const YY_NOEXCEPT
+  {
+    return this->kind ();
+  }
+
+
+  template <typename Base>
+  bool
+  AgentParser::basic_symbol<Base>::empty () const YY_NOEXCEPT
+  {
+    return this->kind () == symbol_kind::S_YYEMPTY;
+  }
+
+  template <typename Base>
+  void
+  AgentParser::basic_symbol<Base>::move (basic_symbol& s)
+  {
+    super_type::move (s);
+    switch (this->kind ())
+    {
+      case symbol_kind::S_value: // value
+      case symbol_kind::S_map_value: // map_value
+      case symbol_kind::S_socket_type_value: // socket_type_value
+      case symbol_kind::S_auth_type_value: // auth_type_value
+        value.move< ElementPtr > (YY_MOVE (s.value));
+        break;
+
+      case symbol_kind::S_BOOLEAN: // "boolean"
+        value.move< bool > (YY_MOVE (s.value));
+        break;
+
+      case symbol_kind::S_FLOAT: // "floating point"
+        value.move< double > (YY_MOVE (s.value));
+        break;
+
+      case symbol_kind::S_INTEGER: // "integer"
+        value.move< int64_t > (YY_MOVE (s.value));
+        break;
+
+      case symbol_kind::S_STRING: // "constant string"
+        value.move< std::string > (YY_MOVE (s.value));
+        break;
+
+      default:
+        break;
+    }
+
+    location = YY_MOVE (s.location);
+  }
+
+  // by_kind.
+  inline
+  AgentParser::by_kind::by_kind () YY_NOEXCEPT
+    : kind_ (symbol_kind::S_YYEMPTY)
+  {}
+
+#if 201103L <= YY_CPLUSPLUS
+  inline
+  AgentParser::by_kind::by_kind (by_kind&& that) YY_NOEXCEPT
+    : kind_ (that.kind_)
+  {
+    that.clear ();
+  }
+#endif
+
+  inline
+  AgentParser::by_kind::by_kind (const by_kind& that) YY_NOEXCEPT
+    : kind_ (that.kind_)
+  {}
+
+  inline
+  AgentParser::by_kind::by_kind (token_kind_type t) YY_NOEXCEPT
+    : kind_ (yytranslate_ (t))
+  {}
+
+
+
+  inline
+  void
+  AgentParser::by_kind::clear () YY_NOEXCEPT
+  {
+    kind_ = symbol_kind::S_YYEMPTY;
+  }
+
+  inline
+  void
+  AgentParser::by_kind::move (by_kind& that)
+  {
+    kind_ = that.kind_;
+    that.clear ();
+  }
+
+  inline
+  AgentParser::symbol_kind_type
+  AgentParser::by_kind::kind () const YY_NOEXCEPT
+  {
+    return kind_;
+  }
+
+
+  inline
+  AgentParser::symbol_kind_type
+  AgentParser::by_kind::type_get () const YY_NOEXCEPT
+  {
+    return this->kind ();
+  }
+
+
+#line 14 "agent_parser.yy"
+} } // isc::agent
+#line 2530 "agent_parser.h"
+
+
+
+
+#endif // !YY_AGENT_AGENT_PARSER_H_INCLUDED