d2_parser.h

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// A Bison parser, made by GNU Bison 3.2.1.

// Skeleton interface for Bison LALR(1) parsers in C++

// Copyright (C) 2002-2015, 2018 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 <http://www.gnu.org/licenses/>.

// As a special exception, you may create a larger work that contains
// part or all of the Bison parser skeleton and distribute that work
// under terms of your choice, so long as that work isn't itself a
// parser generator using the skeleton or a modified version thereof
// as a parser skeleton.  Alternatively, if you modify or redistribute
// the parser skeleton itself, you may (at your option) remove this
// special exception, which will cause the skeleton and the resulting
// Bison output files to be licensed under the GNU General Public
// License without this special exception.

// This special exception was added by the Free Software Foundation in
// version 2.2 of Bison.


// C++ LALR(1) parser skeleton written by Akim Demaille.

// Undocumented macros, especially those whose name start with YY_,
// are private implementation details.  Do not rely on them.

#ifndef YY_D2_PARSER_D2_PARSER_H_INCLUDED
# define YY_D2_PARSER_D2_PARSER_H_INCLUDED
// //                    "%code requires" blocks.
#line 17 "d2_parser.yy" // lalr1.cc:404

#include <string>
#include <cc/data.h>
#include <d2/d2_config.h>
#include <boost/lexical_cast.hpp>
#include <d2/parser_context_decl.h>

using namespace isc::d2;
using namespace isc::data;
using namespace std;

#line 60 "d2_parser.h" // lalr1.cc:404

# 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
# include "location.hh"
#include <typeinfo>
#ifndef YYASSERT
# include <cassert>
# define YYASSERT assert
#endif


#ifndef YY_ATTRIBUTE
# if (defined __GNUC__                                               \
      && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__)))  \
     || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C
#  define YY_ATTRIBUTE(Spec) __attribute__(Spec)
# else
#  define YY_ATTRIBUTE(Spec) /* empty */
# endif
#endif

#ifndef YY_ATTRIBUTE_PURE
# define YY_ATTRIBUTE_PURE   YY_ATTRIBUTE ((__pure__))
#endif

#ifndef YY_ATTRIBUTE_UNUSED
# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__))
#endif

/* Suppress unused-variable warnings by "using" E.  */
#if ! defined lint || defined __GNUC__
# define YYUSE(E) ((void) (E))
#else
# define YYUSE(E) /* empty */
#endif

#if defined __GNUC__ && ! defined __ICC && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
/* Suppress an incorrect diagnostic about yylval being uninitialized.  */
# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
    _Pragma ("GCC diagnostic push") \
    _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
    _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
    _Pragma ("GCC diagnostic pop")
#else
# define 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

# 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 D2_PARSER_DEBUG
# if defined YYDEBUG
#if YYDEBUG
#   define D2_PARSER_DEBUG 1
#  else
#   define D2_PARSER_DEBUG 0
#  endif
# else /* ! defined YYDEBUG */
#  define D2_PARSER_DEBUG 1
# endif /* ! defined YYDEBUG */
#endif  /* ! defined D2_PARSER_DEBUG */

#line 14 "d2_parser.yy" // lalr1.cc:404
namespace isc { namespace d2 {
#line 168 "d2_parser.h" // lalr1.cc:404

  template <typename T, typename S = std::vector<T> >
  class stack
  {
  public:
    // Hide our reversed order.
    typedef typename S::reverse_iterator iterator;
    typedef typename S::const_reverse_iterator const_iterator;
    typedef typename S::size_type size_type;

    stack (size_type n = 200)
      : seq_ (n)
    {}

    T&
    operator[] (size_type i)
    {
      return seq_[size () - 1 - i];
    }

    T&
    operator[] (int i)
    {
      return operator[] (size_type (i));
    }

    const T&
    operator[] (size_type i) const
    {
      return seq_[size () - 1 - i];
    }

    const T&
    operator[] (int i) const
    {
      return operator[] (size_type (i));
    }

    void
    push (YY_MOVE_REF (T) t)
    {
      seq_.push_back (T ());
      operator[](0).move (t);
    }

    void
    pop (int n = 1)
    {
      for (; 0 < n; --n)
        seq_.pop_back ();
    }

    void
    clear ()
    {
      seq_.clear ();
    }

    size_type
    size () const
    {
      return seq_.size ();
    }

    const_iterator
    begin () const
    {
      return seq_.rbegin ();
    }

    const_iterator
    end () const
    {
      return seq_.rend ();
    }

  private:
    stack (const stack&);
    stack& operator= (const stack&);
    S seq_;
  };

  template <typename T, typename S = stack<T> >
  class slice
  {
  public:
    slice (const S& stack, int range)
      : stack_ (stack)
      , range_ (range)
    {}

    const T&
    operator[] (int i) const
    {
      return stack_[range_ - i];
    }

  private:
    const S& stack_;
    int range_;
  };



  template <size_t S>
  struct variant
  {
    typedef variant<S> self_type;

    variant ()
      : yybuffer_ ()
      , yytypeid_ (YY_NULLPTR)
    {}

    template <typename T>
    variant (YY_RVREF (T) t)
      : yytypeid_ (&typeid (T))
    {
      YYASSERT (sizeof (T) <= S);
      new (yyas_<T> ()) T (YY_MOVE (t));
    }

    ~variant ()
    {
      YYASSERT (!yytypeid_);
    }

    template <typename T>
    T&
    emplace ()
    {
      YYASSERT (!yytypeid_);
      YYASSERT (sizeof (T) <= S);
      yytypeid_ = & typeid (T);
      return *new (yyas_<T> ()) T ();
    }

# if 201103L <= YY_CPLUSPLUS
    template <typename T, typename U>
    T&
    emplace (U&& u)
    {
      YYASSERT (!yytypeid_);
      YYASSERT (sizeof (T) <= S);
      yytypeid_ = & typeid (T);
      return *new (yyas_<T> ()) T (std::forward <U>(u));
    }
# else
    template <typename T>
    T&
    emplace (const T& t)
    {
      YYASSERT (!yytypeid_);
      YYASSERT (sizeof (T) <= S);
      yytypeid_ = & typeid (T);
      return *new (yyas_<T> ()) T (t);
    }
# endif

    template <typename T>
    T&
    build ()
    {
      return emplace<T> ();
    }

    template <typename T>
    T&
    build (const T& t)
    {
      return emplace<T> (t);
    }

    template <typename T>
    T&
    as ()
    {
      YYASSERT (yytypeid_);
      YYASSERT (*yytypeid_ == typeid (T));
      YYASSERT (sizeof (T) <= S);
      return *yyas_<T> ();
    }

    template <typename T>
    const T&
    as () const
    {
      YYASSERT (yytypeid_);
      YYASSERT (*yytypeid_ == typeid (T));
      YYASSERT (sizeof (T) <= S);
      return *yyas_<T> ();
    }

    template <typename T>
    void
    swap (self_type& other)
    {
      YYASSERT (yytypeid_);
      YYASSERT (*yytypeid_ == *other.yytypeid_);
      std::swap (as<T> (), other.as<T> ());
    }

    template <typename T>
    void
    move (self_type& other)
    {
# if 201103L <= YY_CPLUSPLUS
      emplace<T> (std::move (other.as<T> ()));
# else
      emplace<T> ();
      swap<T> (other);
# endif
      other.destroy<T> ();
    }

# if 201103L <= YY_CPLUSPLUS
    template <typename T>
    void
    move (self_type&& other)
    {
      emplace<T> (std::move (other.as<T> ()));
      other.destroy<T> ();
    }
#endif

    template <typename T>
    void
    copy (const self_type& other)
    {
      emplace<T> (other.as<T> ());
    }

    template <typename T>
    void
    destroy ()
    {
      as<T> ().~T ();
      yytypeid_ = YY_NULLPTR;
    }

  private:
    self_type& operator= (const self_type&);
    variant (const self_type&);

    template <typename T>
    T*
    yyas_ ()
    {
      void *yyp = yybuffer_.yyraw;
      return static_cast<T*> (yyp);
     }

    template <typename T>
    const T*
    yyas_ () const
    {
      const void *yyp = yybuffer_.yyraw;
      return static_cast<const T*> (yyp);
     }

    union
    {
      long double yyalign_me;
      char yyraw[S];
    } yybuffer_;

    const std::type_info *yytypeid_;
  };


  class D2Parser
  {
  public:
#ifndef D2_PARSER_STYPE
    union union_type
    {
      // value
      // map_value
      // ncr_protocol_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)];
};

    typedef variant<sizeof (union_type)> semantic_type;
#else
    typedef D2_PARSER_STYPE semantic_type;
#endif
    typedef location location_type;

    struct syntax_error : std::runtime_error
    {
      syntax_error (const location_type& l, const std::string& m);
      location_type location;
    };

    struct token
    {
      enum yytokentype
      {
        TOKEN_END = 0,
        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,
        TOKEN_DHCP6 = 265,
        TOKEN_DHCP4 = 266,
        TOKEN_CONTROL_AGENT = 267,
        TOKEN_DHCPDDNS = 268,
        TOKEN_IP_ADDRESS = 269,
        TOKEN_PORT = 270,
        TOKEN_DNS_SERVER_TIMEOUT = 271,
        TOKEN_NCR_PROTOCOL = 272,
        TOKEN_UDP = 273,
        TOKEN_TCP = 274,
        TOKEN_NCR_FORMAT = 275,
        TOKEN_JSON = 276,
        TOKEN_USER_CONTEXT = 277,
        TOKEN_COMMENT = 278,
        TOKEN_FORWARD_DDNS = 279,
        TOKEN_REVERSE_DDNS = 280,
        TOKEN_DDNS_DOMAINS = 281,
        TOKEN_KEY_NAME = 282,
        TOKEN_DNS_SERVERS = 283,
        TOKEN_HOSTNAME = 284,
        TOKEN_TSIG_KEYS = 285,
        TOKEN_ALGORITHM = 286,
        TOKEN_DIGEST_BITS = 287,
        TOKEN_SECRET = 288,
        TOKEN_LOGGING = 289,
        TOKEN_LOGGERS = 290,
        TOKEN_NAME = 291,
        TOKEN_OUTPUT_OPTIONS = 292,
        TOKEN_OUTPUT = 293,
        TOKEN_DEBUGLEVEL = 294,
        TOKEN_SEVERITY = 295,
        TOKEN_FLUSH = 296,
        TOKEN_MAXSIZE = 297,
        TOKEN_MAXVER = 298,
        TOKEN_TOPLEVEL_JSON = 299,
        TOKEN_TOPLEVEL_DHCPDDNS = 300,
        TOKEN_SUB_DHCPDDNS = 301,
        TOKEN_SUB_TSIG_KEY = 302,
        TOKEN_SUB_TSIG_KEYS = 303,
        TOKEN_SUB_DDNS_DOMAIN = 304,
        TOKEN_SUB_DDNS_DOMAINS = 305,
        TOKEN_SUB_DNS_SERVER = 306,
        TOKEN_SUB_DNS_SERVERS = 307,
        TOKEN_STRING = 308,
        TOKEN_INTEGER = 309,
        TOKEN_FLOAT = 310,
        TOKEN_BOOLEAN = 311
      };
    };

    typedef token::yytokentype token_type;

    typedef int symbol_number_type;

    enum { empty_symbol = -2 };

    typedef unsigned char token_number_type;

    template <typename Base>
    struct basic_symbol : Base
    {
      typedef Base super_type;

      basic_symbol ();

      basic_symbol (YY_RVREF (basic_symbol) other);


# if 201103L <= YY_CPLUSPLUS
      basic_symbol (typename Base::kind_type t, location_type&& l);
#else
      basic_symbol (typename Base::kind_type t, const location_type& l);
#endif
# if 201103L <= YY_CPLUSPLUS
      basic_symbol (typename Base::kind_type t, ElementPtr&& v, location_type&& l);
#else
      basic_symbol (typename Base::kind_type t, const ElementPtr& v, const location_type& l);
#endif
# if 201103L <= YY_CPLUSPLUS
      basic_symbol (typename Base::kind_type t, bool&& v, location_type&& l);
#else
      basic_symbol (typename Base::kind_type t, const bool& v, const location_type& l);
#endif
# if 201103L <= YY_CPLUSPLUS
      basic_symbol (typename Base::kind_type t, double&& v, location_type&& l);
#else
      basic_symbol (typename Base::kind_type t, const double& v, const location_type& l);
#endif
# if 201103L <= YY_CPLUSPLUS
      basic_symbol (typename Base::kind_type t, int64_t&& v, location_type&& l);
#else
      basic_symbol (typename Base::kind_type t, const int64_t& v, const location_type& l);
#endif
# if 201103L <= YY_CPLUSPLUS
      basic_symbol (typename Base::kind_type t, std::string&& v, location_type&& l);
#else
      basic_symbol (typename Base::kind_type t, const std::string& v, const location_type& l);
#endif


      ~basic_symbol ();

      void clear ();

      bool empty () const;

      void move (basic_symbol& s);

      semantic_type value;

      location_type location;

    private:
#if YY_CPLUSPLUS < 201103L
      basic_symbol& operator= (const basic_symbol& other);
#endif
    };

    struct by_type
    {
      by_type ();

      by_type (const by_type& other);

      typedef token_type kind_type;

      by_type (kind_type t);

      void clear ();

      void move (by_type& that);

      symbol_number_type type_get () const;

      token_type token () const;

      int type;
    };

    typedef basic_symbol<by_type> symbol_type;

    D2Parser (isc::d2::D2ParserContext& ctx_yyarg);
    virtual ~D2Parser ();

    int operator() ();

    virtual int parse ();

#if D2_PARSER_DEBUG
    std::ostream& debug_stream () const YY_ATTRIBUTE_PURE;
    void set_debug_stream (std::ostream &);

    typedef int debug_level_type;
    debug_level_type debug_level () const YY_ATTRIBUTE_PURE;
    void set_debug_level (debug_level_type l);
#endif

    virtual void error (const location_type& loc, const std::string& msg);

    void error (const syntax_error& err);

    // Symbol constructors declarations.
    static
    symbol_type
    make_END (YY_COPY (location_type) l);

    static
    symbol_type
    make_COMMA (YY_COPY (location_type) l);

    static
    symbol_type
    make_COLON (YY_COPY (location_type) l);

    static
    symbol_type
    make_LSQUARE_BRACKET (YY_COPY (location_type) l);

    static
    symbol_type
    make_RSQUARE_BRACKET (YY_COPY (location_type) l);

    static
    symbol_type
    make_LCURLY_BRACKET (YY_COPY (location_type) l);

    static
    symbol_type
    make_RCURLY_BRACKET (YY_COPY (location_type) l);

    static
    symbol_type
    make_NULL_TYPE (YY_COPY (location_type) l);

    static
    symbol_type
    make_DHCP6 (YY_COPY (location_type) l);

    static
    symbol_type
    make_DHCP4 (YY_COPY (location_type) l);

    static
    symbol_type
    make_CONTROL_AGENT (YY_COPY (location_type) l);

    static
    symbol_type
    make_DHCPDDNS (YY_COPY (location_type) l);

    static
    symbol_type
    make_IP_ADDRESS (YY_COPY (location_type) l);

    static
    symbol_type
    make_PORT (YY_COPY (location_type) l);

    static
    symbol_type
    make_DNS_SERVER_TIMEOUT (YY_COPY (location_type) l);

    static
    symbol_type
    make_NCR_PROTOCOL (YY_COPY (location_type) l);

    static
    symbol_type
    make_UDP (YY_COPY (location_type) l);

    static
    symbol_type
    make_TCP (YY_COPY (location_type) l);

    static
    symbol_type
    make_NCR_FORMAT (YY_COPY (location_type) l);

    static
    symbol_type
    make_JSON (YY_COPY (location_type) l);

    static
    symbol_type
    make_USER_CONTEXT (YY_COPY (location_type) l);

    static
    symbol_type
    make_COMMENT (YY_COPY (location_type) l);

    static
    symbol_type
    make_FORWARD_DDNS (YY_COPY (location_type) l);

    static
    symbol_type
    make_REVERSE_DDNS (YY_COPY (location_type) l);

    static
    symbol_type
    make_DDNS_DOMAINS (YY_COPY (location_type) l);

    static
    symbol_type
    make_KEY_NAME (YY_COPY (location_type) l);

    static
    symbol_type
    make_DNS_SERVERS (YY_COPY (location_type) l);

    static
    symbol_type
    make_HOSTNAME (YY_COPY (location_type) l);

    static
    symbol_type
    make_TSIG_KEYS (YY_COPY (location_type) l);

    static
    symbol_type
    make_ALGORITHM (YY_COPY (location_type) l);

    static
    symbol_type
    make_DIGEST_BITS (YY_COPY (location_type) l);

    static
    symbol_type
    make_SECRET (YY_COPY (location_type) l);

    static
    symbol_type
    make_LOGGING (YY_COPY (location_type) l);

    static
    symbol_type
    make_LOGGERS (YY_COPY (location_type) l);

    static
    symbol_type
    make_NAME (YY_COPY (location_type) l);

    static
    symbol_type
    make_OUTPUT_OPTIONS (YY_COPY (location_type) l);

    static
    symbol_type
    make_OUTPUT (YY_COPY (location_type) l);

    static
    symbol_type
    make_DEBUGLEVEL (YY_COPY (location_type) l);

    static
    symbol_type
    make_SEVERITY (YY_COPY (location_type) l);

    static
    symbol_type
    make_FLUSH (YY_COPY (location_type) l);

    static
    symbol_type
    make_MAXSIZE (YY_COPY (location_type) l);

    static
    symbol_type
    make_MAXVER (YY_COPY (location_type) l);

    static
    symbol_type
    make_TOPLEVEL_JSON (YY_COPY (location_type) l);

    static
    symbol_type
    make_TOPLEVEL_DHCPDDNS (YY_COPY (location_type) l);

    static
    symbol_type
    make_SUB_DHCPDDNS (YY_COPY (location_type) l);

    static
    symbol_type
    make_SUB_TSIG_KEY (YY_COPY (location_type) l);

    static
    symbol_type
    make_SUB_TSIG_KEYS (YY_COPY (location_type) l);

    static
    symbol_type
    make_SUB_DDNS_DOMAIN (YY_COPY (location_type) l);

    static
    symbol_type
    make_SUB_DDNS_DOMAINS (YY_COPY (location_type) l);

    static
    symbol_type
    make_SUB_DNS_SERVER (YY_COPY (location_type) l);

    static
    symbol_type
    make_SUB_DNS_SERVERS (YY_COPY (location_type) l);

    static
    symbol_type
    make_STRING (YY_COPY (std::string) v, YY_COPY (location_type) l);

    static
    symbol_type
    make_INTEGER (YY_COPY (int64_t) v, YY_COPY (location_type) l);

    static
    symbol_type
    make_FLOAT (YY_COPY (double) v, YY_COPY (location_type) l);

    static
    symbol_type
    make_BOOLEAN (YY_COPY (bool) v, YY_COPY (location_type) l);



  private:
    D2Parser (const D2Parser&);
    D2Parser& operator= (const D2Parser&);

    typedef int state_type;

    virtual std::string yysyntax_error_ (state_type yystate,
                                         const symbol_type& yyla) const;

    state_type yy_lr_goto_state_ (state_type yystate, int yysym);

    static bool yy_pact_value_is_default_ (int yyvalue);

    static bool yy_table_value_is_error_ (int yyvalue);

    static const signed char yypact_ninf_;
    static const signed char yytable_ninf_;

    static token_number_type yytranslate_ (token_type t);

    // 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 signed char 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 unsigned short yytable_[];

  static const short yycheck_[];

  // YYSTOS[STATE-NUM] -- The (internal number of the) accessing
  // symbol of state STATE-NUM.
  static const unsigned char yystos_[];

  // YYR1[YYN] -- Symbol number of symbol that rule YYN derives.
  static const unsigned char yyr1_[];

  // YYR2[YYN] -- Number of symbols on the right hand side of rule YYN.
  static const unsigned char yyr2_[];


    static std::string yytnamerr_ (const char *n);


    static const char* const yytname_[];
#if D2_PARSER_DEBUG
  // YYRLINE[YYN] -- Source line where rule number YYN was defined.
  static const unsigned short yyrline_[];
    virtual void yy_reduce_print_ (int r);
    virtual void yystack_print_ ();

    int yydebug_;
    std::ostream* yycdebug_;

    template <typename Base>
    void yy_print_ (std::ostream& yyo, const basic_symbol<Base>& yysym) const;
#endif

    template <typename Base>
    void yy_destroy_ (const char* yymsg, basic_symbol<Base>& yysym) const;

  private:
    struct by_state
    {
      by_state ();

      typedef state_type kind_type;

      by_state (kind_type s);

      by_state (const by_state& other);

      void clear ();

      void move (by_state& that);

      symbol_number_type type_get () const;

      enum { empty_state = -1 };

      state_type state;
    };

    struct stack_symbol_type : basic_symbol<by_state>
    {
      typedef basic_symbol<by_state> super_type;
      stack_symbol_type ();
      stack_symbol_type (YY_RVREF (stack_symbol_type) that);
      stack_symbol_type (state_type s, YY_MOVE_REF (symbol_type) sym);
#if YY_CPLUSPLUS < 201103L
      stack_symbol_type& operator= (stack_symbol_type& that);
#endif
    };

    typedef stack<stack_symbol_type> stack_type;

    stack_type yystack_;

    void yypush_ (const char* m, YY_MOVE_REF (stack_symbol_type) sym);

    void yypush_ (const char* m, state_type s, YY_MOVE_REF (symbol_type) sym);

    void yypop_ (int n = 1);

    enum
    {
      yyeof_ = 0,
      yylast_ = 282,     
      yynnts_ = 138,  
      yyfinal_ = 20, 
      yyterror_ = 1,
      yyerrcode_ = 256,
      yyntokens_ = 57  
    };


    // User arguments.
    isc::d2::D2ParserContext& ctx;
  };

  // Symbol number corresponding to token number t.
  inline
  D2Parser::token_number_type
  D2Parser::yytranslate_ (token_type t)
  {
    static
    const token_number_type
    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
    };
    const unsigned user_token_number_max_ = 311;
    const token_number_type undef_token_ = 2;

    if (static_cast<int> (t) <= yyeof_)
      return yyeof_;
    else if (static_cast<unsigned> (t) <= user_token_number_max_)
      return translate_table[t];
    else
      return undef_token_;
  }

  inline
  D2Parser::syntax_error::syntax_error (const location_type& l, const std::string& m)
    : std::runtime_error (m)
    , location (l)
  {}

  // basic_symbol.
  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol ()
    : value ()
    , location ()
  {}

  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol (YY_RVREF (basic_symbol) other)
    : Base (YY_MOVE (other))
    , value ()
    , location (YY_MOVE (other.location))
  {
    switch (other.type_get ())
    {
      case 68: // value
      case 72: // map_value
      case 96: // ncr_protocol_value
        value.YY_MOVE_OR_COPY< ElementPtr > (YY_MOVE (other.value));
        break;

      case 56: // "boolean"
        value.YY_MOVE_OR_COPY< bool > (YY_MOVE (other.value));
        break;

      case 55: // "floating point"
        value.YY_MOVE_OR_COPY< double > (YY_MOVE (other.value));
        break;

      case 54: // "integer"
        value.YY_MOVE_OR_COPY< int64_t > (YY_MOVE (other.value));
        break;

      case 53: // "constant string"
        value.YY_MOVE_OR_COPY< std::string > (YY_MOVE (other.value));
        break;

      default:
        break;
    }

  }


  // Implementation of basic_symbol constructor for each type.
# if 201103L <= YY_CPLUSPLUS
  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, location_type&& l)
    : Base (t)
    , location (std::move (l))
  {}
#else
  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, const location_type& l)
    : Base (t)
    , location (l)
  {}
#endif
# if 201103L <= YY_CPLUSPLUS
  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, ElementPtr&& v, location_type&& l)
    : Base (t)
    , value (std::move (v))
    , location (std::move (l))
  {}
#else
  template <typename Base>
  D2Parser::basic_symbol<Base>::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
  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, bool&& v, location_type&& l)
    : Base (t)
    , value (std::move (v))
    , location (std::move (l))
  {}
#else
  template <typename Base>
  D2Parser::basic_symbol<Base>::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
  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, double&& v, location_type&& l)
    : Base (t)
    , value (std::move (v))
    , location (std::move (l))
  {}
#else
  template <typename Base>
  D2Parser::basic_symbol<Base>::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
  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, int64_t&& v, location_type&& l)
    : Base (t)
    , value (std::move (v))
    , location (std::move (l))
  {}
#else
  template <typename Base>
  D2Parser::basic_symbol<Base>::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
  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, std::string&& v, location_type&& l)
    : Base (t)
    , value (std::move (v))
    , location (std::move (l))
  {}
#else
  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, const std::string& v, const location_type& l)
    : Base (t)
    , value (v)
    , location (l)
  {}
#endif


  template <typename Base>
  D2Parser::basic_symbol<Base>::~basic_symbol ()
  {
    clear ();
  }

  template <typename Base>
  void
  D2Parser::basic_symbol<Base>::clear ()
  {
    // User destructor.
    symbol_number_type yytype = this->type_get ();
    basic_symbol<Base>& yysym = *this;
    (void) yysym;
    switch (yytype)
    {
   default:
      break;
    }

    // Type destructor.
  switch (yytype)
    {
      case 68: // value
      case 72: // map_value
      case 96: // ncr_protocol_value
        value.template destroy< ElementPtr > ();
        break;

      case 56: // "boolean"
        value.template destroy< bool > ();
        break;

      case 55: // "floating point"
        value.template destroy< double > ();
        break;

      case 54: // "integer"
        value.template destroy< int64_t > ();
        break;

      case 53: // "constant string"
        value.template destroy< std::string > ();
        break;

      default:
        break;
    }

    Base::clear ();
  }

  template <typename Base>
  bool
  D2Parser::basic_symbol<Base>::empty () const
  {
    return Base::type_get () == empty_symbol;
  }

  template <typename Base>
  void
  D2Parser::basic_symbol<Base>::move (basic_symbol& s)
  {
    super_type::move (s);
    switch (this->type_get ())
    {
      case 68: // value
      case 72: // map_value
      case 96: // ncr_protocol_value
        value.move< ElementPtr > (YY_MOVE (s.value));
        break;

      case 56: // "boolean"
        value.move< bool > (YY_MOVE (s.value));
        break;

      case 55: // "floating point"
        value.move< double > (YY_MOVE (s.value));
        break;

      case 54: // "integer"
        value.move< int64_t > (YY_MOVE (s.value));
        break;

      case 53: // "constant string"
        value.move< std::string > (YY_MOVE (s.value));
        break;

      default:
        break;
    }

    location = YY_MOVE (s.location);
  }

  // by_type.
  inline
  D2Parser::by_type::by_type ()
    : type (empty_symbol)
  {}

  inline
  D2Parser::by_type::by_type (const by_type& other)
    : type (other.type)
  {}

  inline
  D2Parser::by_type::by_type (token_type t)
    : type (yytranslate_ (t))
  {}

  inline
  void
  D2Parser::by_type::clear ()
  {
    type = empty_symbol;
  }

  inline
  void
  D2Parser::by_type::move (by_type& that)
  {
    type = that.type;
    that.clear ();
  }

  inline
  int
  D2Parser::by_type::type_get () const
  {
    return type;
  }

  inline
  D2Parser::token_type
  D2Parser::by_type::token () const
  {
    // YYTOKNUM[NUM] -- (External) token number corresponding to the
    // (internal) symbol number NUM (which must be that of a token).  */
    static
    const unsigned short
    yytoken_number_[] =
    {
       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
     275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
     285,   286,   287,   288,   289,   290,   291,   292,   293,   294,
     295,   296,   297,   298,   299,   300,   301,   302,   303,   304,
     305,   306,   307,   308,   309,   310,   311
    };
    return static_cast<token_type> (yytoken_number_[type]);
  }

  // Implementation of make_symbol for each symbol type.
  inline
  D2Parser::symbol_type
  D2Parser::make_END (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_END, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_COMMA (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_COMMA, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_COLON (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_COLON, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_LSQUARE_BRACKET (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_LSQUARE_BRACKET, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_RSQUARE_BRACKET (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_RSQUARE_BRACKET, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_LCURLY_BRACKET (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_LCURLY_BRACKET, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_RCURLY_BRACKET (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_RCURLY_BRACKET, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_NULL_TYPE (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_NULL_TYPE, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_DHCP6 (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_DHCP6, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_DHCP4 (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_DHCP4, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_CONTROL_AGENT (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_CONTROL_AGENT, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_DHCPDDNS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_DHCPDDNS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_IP_ADDRESS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_IP_ADDRESS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_PORT (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_PORT, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_DNS_SERVER_TIMEOUT (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_DNS_SERVER_TIMEOUT, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_NCR_PROTOCOL (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_NCR_PROTOCOL, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_UDP (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_UDP, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_TCP (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_TCP, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_NCR_FORMAT (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_NCR_FORMAT, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_JSON (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_JSON, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_USER_CONTEXT (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_USER_CONTEXT, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_COMMENT (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_COMMENT, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_FORWARD_DDNS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_FORWARD_DDNS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_REVERSE_DDNS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_REVERSE_DDNS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_DDNS_DOMAINS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_DDNS_DOMAINS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_KEY_NAME (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_KEY_NAME, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_DNS_SERVERS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_DNS_SERVERS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_HOSTNAME (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_HOSTNAME, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_TSIG_KEYS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_TSIG_KEYS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_ALGORITHM (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_ALGORITHM, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_DIGEST_BITS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_DIGEST_BITS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_SECRET (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_SECRET, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_LOGGING (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_LOGGING, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_LOGGERS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_LOGGERS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_NAME (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_NAME, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_OUTPUT_OPTIONS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_OUTPUT_OPTIONS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_OUTPUT (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_OUTPUT, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_DEBUGLEVEL (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_DEBUGLEVEL, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_SEVERITY (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_SEVERITY, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_FLUSH (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_FLUSH, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_MAXSIZE (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_MAXSIZE, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_MAXVER (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_MAXVER, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_TOPLEVEL_JSON (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_TOPLEVEL_JSON, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_TOPLEVEL_DHCPDDNS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_TOPLEVEL_DHCPDDNS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_SUB_DHCPDDNS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_SUB_DHCPDDNS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_SUB_TSIG_KEY (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_SUB_TSIG_KEY, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_SUB_TSIG_KEYS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_SUB_TSIG_KEYS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_SUB_DDNS_DOMAIN (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_SUB_DDNS_DOMAIN, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_SUB_DDNS_DOMAINS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_SUB_DDNS_DOMAINS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_SUB_DNS_SERVER (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_SUB_DNS_SERVER, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_SUB_DNS_SERVERS (YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_SUB_DNS_SERVERS, YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_STRING (YY_COPY (std::string) v, YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_STRING, YY_MOVE (v), YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_INTEGER (YY_COPY (int64_t) v, YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_INTEGER, YY_MOVE (v), YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_FLOAT (YY_COPY (double) v, YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_FLOAT, YY_MOVE (v), YY_MOVE (l));
  }

  inline
  D2Parser::symbol_type
  D2Parser::make_BOOLEAN (YY_COPY (bool) v, YY_COPY (location_type) l)
  {
    return symbol_type (token::TOKEN_BOOLEAN, YY_MOVE (v), YY_MOVE (l));
  }


#line 14 "d2_parser.yy" // lalr1.cc:404
} } // isc::d2
#line 1911 "d2_parser.h" // lalr1.cc:404




#endif // !YY_D2_PARSER_D2_PARSER_H_INCLUDED