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// A Bison parser, made by GNU Bison 3.0.4.

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

// Copyright (C) 2002-2015 Free Software Foundation, Inc.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <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.

/**
 ** \file d2_parser.h
 ** Define the isc::d2::parser class.
 */

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

#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:377

#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 56 "d2_parser.h" // lalr1.cc:377

# include <cassert>
# include <cstdlib> // std::abort
# include <iostream>
# include <stdexcept>
# include <string>
# include <vector>
# include "stack.hh"
# 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

#if !defined _Noreturn \
     && (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112)
# if defined _MSC_VER && 1200 <= _MSC_VER
#  define _Noreturn __declspec (noreturn)
# else
#  define _Noreturn YY_ATTRIBUTE ((__noreturn__))
# endif
#endif

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

#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
/* Suppress an incorrect diagnostic about 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

/* 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:377
namespace isc { namespace d2 {
#line 141 "d2_parser.h" // lalr1.cc:377



  /// A char[S] 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 state.
  template <size_t S>
  struct variant
  {
    /// Type of *this.
    typedef variant<S> self_type;

    /// Empty construction.
    variant ()
      : yytypeid_ (YY_NULLPTR)
    {}

    /// Construct and fill.
    template <typename T>
    variant (const T& t)
      : yytypeid_ (&typeid (T))
    {
      YYASSERT (sizeof (T) <= S);
      new (yyas_<T> ()) T (t);
    }

    /// Destruction, allowed only if empty.
    ~variant ()
    {
      YYASSERT (!yytypeid_);
    }

    /// Instantiate an empty \a T in here.
    template <typename T>
    T&
    build ()
    {
      YYASSERT (!yytypeid_);
      YYASSERT (sizeof (T) <= S);
      yytypeid_ = & typeid (T);
      return *new (yyas_<T> ()) T;
    }

    /// Instantiate a \a T in here from \a t.
    template <typename T>
    T&
    build (const T& t)
    {
      YYASSERT (!yytypeid_);
      YYASSERT (sizeof (T) <= S);
      yytypeid_ = & typeid (T);
      return *new (yyas_<T> ()) T (t);
    }

    /// Accessor to a built \a T.
    template <typename T>
    T&
    as ()
    {
      YYASSERT (*yytypeid_ == typeid (T));
      YYASSERT (sizeof (T) <= S);
      return *yyas_<T> ();
    }

    /// Const accessor to a built \a T (for %printer).
    template <typename T>
    const T&
    as () const
    {
      YYASSERT (*yytypeid_ == typeid (T));
      YYASSERT (sizeof (T) <= S);
      return *yyas_<T> ();
    }

    /// Swap the content with \a other, 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
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    /// should not be the variant's responsibility.
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    /// Swapping between built and (possibly) non-built is done with
    /// variant::move ().
    template <typename T>
    void
    swap (self_type& other)
    {
      YYASSERT (yytypeid_);
      YYASSERT (*yytypeid_ == *other.yytypeid_);
      std::swap (as<T> (), other.as<T> ());
    }

    /// Move the content of \a other to this.
    ///
    /// Destroys \a other.
    template <typename T>
    void
    move (self_type& other)
    {
      build<T> ();
      swap<T> (other);
      other.destroy<T> ();
    }

    /// Copy the content of \a other to this.
    template <typename T>
    void
    copy (const self_type& other)
    {
      build<T> (other.as<T> ());
    }

    /// Destroy the stored \a T.
    template <typename T>
    void
    destroy ()
    {
      as<T> ().~T ();
      yytypeid_ = YY_NULLPTR;
    }

  private:
    /// Prohibit blind copies.
    self_type& operator=(const self_type&);
    variant (const self_type&);

    /// Accessor to raw memory as \a T.
    template <typename T>
    T*
    yyas_ ()
    {
      void *yyp = yybuffer_.yyraw;
      return static_cast<T*> (yyp);
     }

    /// Const accessor to raw memory as \a T.
    template <typename T>
    const T*
    yyas_ () const
    {
      const void *yyp = yybuffer_.yyraw;
      return static_cast<const T*> (yyp);
     }

    union
    {
      /// Strongest alignment constraints.
      long double yyalign_me;
      /// A buffer large enough to store any of the semantic values.
      char yyraw[S];
    } yybuffer_;

    /// Whether the content is built: if defined, the name of the stored type.
    const std::type_info *yytypeid_;
  };


  /// A Bison parser.
  class D2Parser
  {
  public:
#ifndef D2_PARSER_STYPE
    /// An auxiliary type to compute the largest semantic type.
    union union_type
    {
      // 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)];
};

    /// Symbol semantic values.
    typedef variant<sizeof(union_type)> semantic_type;
#else
    typedef D2_PARSER_STYPE semantic_type;
#endif
    /// 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);
      location_type location;
    };

    /// Tokens.
    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,
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        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_FORWARD_DDNS = 277,
        TOKEN_REVERSE_DDNS = 278,
        TOKEN_DDNS_DOMAINS = 279,
        TOKEN_KEY_NAME = 280,
        TOKEN_DNS_SERVERS = 281,
        TOKEN_HOSTNAME = 282,
        TOKEN_TSIG_KEYS = 283,
        TOKEN_ALGORITHM = 284,
        TOKEN_DIGEST_BITS = 285,
        TOKEN_SECRET = 286,
        TOKEN_LOGGING = 287,
        TOKEN_LOGGERS = 288,
        TOKEN_NAME = 289,
        TOKEN_OUTPUT_OPTIONS = 290,
        TOKEN_OUTPUT = 291,
        TOKEN_DEBUGLEVEL = 292,
        TOKEN_SEVERITY = 293,
        TOKEN_FLUSH = 294,
        TOKEN_MAXSIZE = 295,
        TOKEN_MAXVER = 296,
        TOKEN_TOPLEVEL_JSON = 297,
        TOKEN_TOPLEVEL_DHCPDDNS = 298,
        TOKEN_SUB_DHCPDDNS = 299,
        TOKEN_SUB_TSIG_KEY = 300,
        TOKEN_SUB_TSIG_KEYS = 301,
        TOKEN_SUB_DDNS_DOMAIN = 302,
        TOKEN_SUB_DDNS_DOMAINS = 303,
        TOKEN_SUB_DNS_SERVER = 304,
        TOKEN_SUB_DNS_SERVERS = 305,
        TOKEN_STRING = 306,
        TOKEN_INTEGER = 307,
        TOKEN_FLOAT = 308,
        TOKEN_BOOLEAN = 309
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      };
    };

    /// (External) token type, as returned by yylex.
    typedef token::yytokentype token_type;

    /// Symbol type: an internal symbol number.
    typedef int symbol_number_type;

    /// The symbol type number to denote an empty symbol.
    enum { empty_symbol = -2 };

    /// Internal symbol number for tokens (subsumed by symbol_number_type).
    typedef unsigned char token_number_type;

    /// A complete symbol.
    ///
    /// Expects its Base type to provide access to the symbol type
    /// via type_get().
    ///
    /// 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 ();

      /// Copy constructor.
      basic_symbol (const basic_symbol& other);

      /// Constructor for valueless symbols, and symbols from each type.

  basic_symbol (typename Base::kind_type t, const location_type& l);

  basic_symbol (typename Base::kind_type t, const ElementPtr v, const location_type& l);

  basic_symbol (typename Base::kind_type t, const bool v, const location_type& l);

  basic_symbol (typename Base::kind_type t, const double v, const location_type& l);

  basic_symbol (typename Base::kind_type t, const int64_t v, const location_type& l);

  basic_symbol (typename Base::kind_type t, const std::string v, const location_type& l);


      /// Constructor for symbols with semantic value.
      basic_symbol (typename Base::kind_type t,
                    const semantic_type& v,
                    const location_type& l);

      /// Destroy the symbol.
      ~basic_symbol ();

      /// Destroy contents, and record that is empty.
      void clear ();

      /// Whether empty.
      bool empty () const;

      /// Destructive move, \a s is emptied into this.
      void move (basic_symbol& s);

      /// The semantic value.
      semantic_type value;

      /// The location.
      location_type location;

    private:
      /// Assignment operator.
      basic_symbol& operator= (const basic_symbol& other);
    };

    /// Type access provider for token (enum) based symbols.
    struct by_type
    {
      /// Default constructor.
      by_type ();

      /// Copy constructor.
      by_type (const by_type& other);

      /// The symbol type as needed by the constructor.
      typedef token_type kind_type;

      /// Constructor from (external) token numbers.
      by_type (kind_type t);

      /// Record that this symbol is empty.
      void clear ();

      /// Steal the symbol type from \a that.
      void move (by_type& that);

      /// The (internal) type number (corresponding to \a type).
      /// \a empty when empty.
      symbol_number_type type_get () const;

      /// The token.
      token_type token () const;

      /// The symbol type.
      /// \a empty_symbol when empty.
      /// An int, not token_number_type, to be able to store empty_symbol.
      int type;
    };

    /// "External" symbols: returned by the scanner.
    typedef basic_symbol<by_type> symbol_type;

    // Symbol constructors declarations.
    static inline
    symbol_type
    make_END (const location_type& l);

    static inline
    symbol_type
    make_COMMA (const location_type& l);

    static inline
    symbol_type
    make_COLON (const location_type& l);

    static inline
    symbol_type
    make_LSQUARE_BRACKET (const location_type& l);

    static inline
    symbol_type
    make_RSQUARE_BRACKET (const location_type& l);

    static inline
    symbol_type
    make_LCURLY_BRACKET (const location_type& l);

    static inline
    symbol_type
    make_RCURLY_BRACKET (const location_type& l);

    static inline
    symbol_type
    make_NULL_TYPE (const location_type& l);

    static inline
    symbol_type
    make_DHCP6 (const location_type& l);

    static inline
    symbol_type
    make_DHCP4 (const location_type& l);

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    static inline
    symbol_type
    make_CONTROL_AGENT (const location_type& l);

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    static inline
    symbol_type
    make_DHCPDDNS (const location_type& l);

    static inline
    symbol_type
    make_IP_ADDRESS (const location_type& l);

    static inline
    symbol_type
    make_PORT (const location_type& l);

    static inline
    symbol_type
    make_DNS_SERVER_TIMEOUT (const location_type& l);

    static inline
    symbol_type
    make_NCR_PROTOCOL (const location_type& l);

    static inline
    symbol_type
    make_UDP (const location_type& l);

    static inline
    symbol_type
    make_TCP (const location_type& l);

    static inline
    symbol_type
    make_NCR_FORMAT (const location_type& l);

    static inline
    symbol_type
    make_JSON (const location_type& l);

    static inline
    symbol_type
    make_FORWARD_DDNS (const location_type& l);

    static inline
    symbol_type
    make_REVERSE_DDNS (const location_type& l);

    static inline
    symbol_type
    make_DDNS_DOMAINS (const location_type& l);

    static inline
    symbol_type
    make_KEY_NAME (const location_type& l);

    static inline
    symbol_type
    make_DNS_SERVERS (const location_type& l);

    static inline
    symbol_type
    make_HOSTNAME (const location_type& l);

    static inline
    symbol_type
    make_TSIG_KEYS (const location_type& l);

    static inline
    symbol_type
    make_ALGORITHM (const location_type& l);

    static inline
    symbol_type
    make_DIGEST_BITS (const location_type& l);

    static inline
    symbol_type
    make_SECRET (const location_type& l);

    static inline
    symbol_type
    make_LOGGING (const location_type& l);

    static inline
    symbol_type
    make_LOGGERS (const location_type& l);

    static inline
    symbol_type
    make_NAME (const location_type& l);

    static inline
    symbol_type
    make_OUTPUT_OPTIONS (const location_type& l);

    static inline
    symbol_type
    make_OUTPUT (const location_type& l);

    static inline
    symbol_type
    make_DEBUGLEVEL (const location_type& l);

    static inline
    symbol_type
    make_SEVERITY (const location_type& l);

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    static inline
    symbol_type
    make_FLUSH (const location_type& l);

    static inline
    symbol_type
    make_MAXSIZE (const location_type& l);

    static inline
    symbol_type
    make_MAXVER (const location_type& l);

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    static inline
    symbol_type
    make_TOPLEVEL_JSON (const location_type& l);

    static inline
    symbol_type
    make_TOPLEVEL_DHCPDDNS (const location_type& l);

    static inline
    symbol_type
    make_SUB_DHCPDDNS (const location_type& l);

    static inline
    symbol_type
    make_SUB_TSIG_KEY (const location_type& l);

    static inline
    symbol_type
    make_SUB_TSIG_KEYS (const location_type& l);

    static inline
    symbol_type
    make_SUB_DDNS_DOMAIN (const location_type& l);

    static inline
    symbol_type
    make_SUB_DDNS_DOMAINS (const location_type& l);

    static inline
    symbol_type
    make_SUB_DNS_SERVER (const location_type& l);

    static inline
    symbol_type
    make_SUB_DNS_SERVERS (const location_type& l);

    static inline
    symbol_type
    make_STRING (const std::string& v, const location_type& l);

    static inline
    symbol_type
    make_INTEGER (const int64_t& v, const location_type& l);

    static inline
    symbol_type
    make_FLOAT (const double& v, const location_type& l);

    static inline
    symbol_type
    make_BOOLEAN (const bool& v, const location_type& l);


    /// Build a parser object.
    D2Parser (isc::d2::D2ParserContext& ctx_yyarg);
    virtual ~D2Parser ();

    /// Parse.
    /// \returns  0 iff parsing succeeded.
    virtual int parse ();

#if D2_PARSER_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);

  private:
    /// This class is not copyable.
    D2Parser (const D2Parser&);
    D2Parser& operator= (const D2Parser&);

    /// State numbers.
    typedef int state_type;

    /// Generate an error message.
    /// \param yystate   the state where the error occurred.
    /// \param yyla      the lookahead token.
    virtual std::string yysyntax_error_ (state_type yystate,
                                         const symbol_type& yyla) const;

    /// Compute post-reduction state.
    /// \param yystate   the current state
    /// \param yysym     the nonterminal to push on the stack
    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);

    /// 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);

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

    /// Convert a scanner token number \a t to a symbol number.
    static token_number_type yytranslate_ (token_type t);

    // Tables.
  // YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
  // STATE-NUM.
  static const short int 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 int 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 int yytable_[];

  static const short int 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_[];


    /// Convert the symbol name \a n to a form suitable for a diagnostic.
    static std::string yytnamerr_ (const char *n);


    /// For a symbol, its name in clear.
    static const char* const yytname_[];
#if D2_PARSER_DEBUG
  // YYRLINE[YYN] -- Source line where rule number YYN was defined.
  static const unsigned short int yyrline_[];
    /// Report on the debug stream that the rule \a r is going to be reduced.
    virtual void yy_reduce_print_ (int r);
    /// Print the state stack on the debug stream.
    virtual void yystack_print_ ();

    // Debugging.
    int yydebug_;
    std::ostream* yycdebug_;

    /// \brief Display a symbol type, 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 ();

      /// The symbol type as needed by the constructor.
      typedef state_type kind_type;

      /// Constructor.
      by_state (kind_type s);

      /// Copy constructor.
      by_state (const by_state& other);

      /// Record that this symbol is empty.
      void clear ();

      /// Steal the symbol type from \a that.
      void move (by_state& that);

      /// The (internal) type number (corresponding to \a state).
      /// \a empty_symbol when empty.
      symbol_number_type type_get () const;

      /// The state number used to denote an empty symbol.
      enum { empty_state = -1 };

      /// 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 ();
      /// Steal the contents from \a sym to build this.
      stack_symbol_type (state_type s, symbol_type& sym);
      /// Assignment, needed by push_back.
      stack_symbol_type& operator= (const stack_symbol_type& that);
    };

    /// 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 s    the symbol
    /// \warning the contents of \a s.value is stolen.
    void yypush_ (const char* m, stack_symbol_type& s);

    /// 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 s.value is stolen.
    void yypush_ (const char* m, state_type s, symbol_type& sym);

    /// Pop \a n symbols the three stacks.
    void yypop_ (unsigned int n = 1);

    /// Constants.
    enum
    {
      yyeof_ = 0,
928
929
      yylast_ = 252,     ///< Last index in yytable_.
      yynnts_ = 133,  ///< Number of nonterminal symbols.
930
931
932
      yyfinal_ = 20, ///< Termination state number.
      yyterror_ = 1,
      yyerrcode_ = 256,
933
      yyntokens_ = 55  ///< Number of tokens.
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
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959
960
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963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
    };


    // 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,
980
      45,    46,    47,    48,    49,    50,    51,    52,    53,    54
981
    };
982
    const unsigned int user_token_number_max_ = 309;
983
984
985
986
987
988
989
990
991
992
993
994
995
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997
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999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
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1011
1012
1013
1014
    const token_number_type undef_token_ = 2;

    if (static_cast<int>(t) <= yyeof_)
      return yyeof_;
    else if (static_cast<unsigned int> (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>
  inline
  D2Parser::basic_symbol<Base>::basic_symbol ()
    : value ()
  {}

  template <typename Base>
  inline
  D2Parser::basic_symbol<Base>::basic_symbol (const basic_symbol& other)
    : Base (other)
    , value ()
    , location (other.location)
  {
      switch (other.type_get ())
    {
1015
1016
      case 66: // value
      case 93: // ncr_protocol_value
1017
1018
1019
        value.copy< ElementPtr > (other.value);
        break;

1020
      case 54: // "boolean"
1021
1022
1023
        value.copy< bool > (other.value);
        break;

1024
      case 53: // "floating point"
1025
1026
1027
        value.copy< double > (other.value);
        break;

1028
      case 52: // "integer"
1029
1030
1031
        value.copy< int64_t > (other.value);
        break;

1032
      case 51: // "constant string"
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
        value.copy< std::string > (other.value);
        break;

      default:
        break;
    }

  }


  template <typename Base>
  inline
  D2Parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, const semantic_type& v, const location_type& l)
    : Base (t)
    , value ()
    , location (l)
  {
    (void) v;
      switch (this->type_get ())
    {
1053
1054
      case 66: // value
      case 93: // ncr_protocol_value
1055
1056
1057
        value.copy< ElementPtr > (v);
        break;

1058
      case 54: // "boolean"
1059
1060
1061
        value.copy< bool > (v);
        break;

1062
      case 53: // "floating point"
1063
1064
1065
        value.copy< double > (v);
        break;

1066
      case 52: // "integer"
1067
1068
1069
        value.copy< int64_t > (v);
        break;

1070
      case 51: // "constant string"
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
        value.copy< std::string > (v);
        break;

      default:
        break;
    }
}


  // Implementation of basic_symbol constructor for each type.

  template <typename Base>
  D2Parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, const location_type& l)
    : Base (t)
    , value ()
    , location (l)
  {}

  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)
  {}

  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)
  {}

  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)
  {}

  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)
  {}

  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)
  {}


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

  template <typename Base>
  inline
  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)
    {
1150
1151
      case 66: // value
      case 93: // ncr_protocol_value
1152
1153
1154
        value.template destroy< ElementPtr > ();
        break;

1155
      case 54: // "boolean"
1156
1157
1158
        value.template destroy< bool > ();
        break;

1159
      case 53: // "floating point"
1160
1161
1162
        value.template destroy< double > ();
        break;

1163
      case 52: // "integer"
1164
1165
1166
        value.template destroy< int64_t > ();
        break;

1167
      case 51: // "constant string"
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
        value.template destroy< std::string > ();
        break;

      default:
        break;
    }

    Base::clear ();
  }

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

  template <typename Base>
  inline
  void
  D2Parser::basic_symbol<Base>::move (basic_symbol& s)
  {
    super_type::move(s);
      switch (this->type_get ())
    {
1194
1195
      case 66: // value
      case 93: // ncr_protocol_value
1196
1197
1198
        value.move< ElementPtr > (s.value);
        break;

1199
      case 54: // "boolean"
1200
1201
1202
        value.move< bool > (s.value);
        break;

1203
      case 53: // "floating point"
1204
1205
1206
        value.move< double > (s.value);
        break;

1207
      case 52: // "integer"
1208
1209
1210
        value.move< int64_t > (s.value);
        break;

1211
      case 51: // "constant string"
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
        value.move< std::string > (s.value);
        break;

      default:
        break;
    }

    location = 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 int
    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,
1275
     305,   306,   307,   308,   309
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
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    };
    return static_cast<token_type> (yytoken_number_[type]);
  }
  // Implementation of make_symbol for each symbol type.
  D2Parser::symbol_type
  D2Parser::make_END (const location_type& l)
  {
    return symbol_type (token::TOKEN_END, l);
  }

  D2Parser::symbol_type
  D2Parser::make_COMMA (const location_type& l)
  {
    return symbol_type (token::TOKEN_COMMA, l);
  }

  D2Parser::symbol_type
  D2Parser::make_COLON (const location_type& l)
  {
    return symbol_type (token::TOKEN_COLON, l);
  }

  D2Parser::symbol_type
  D2Parser::make_LSQUARE_BRACKET (const location_type& l)
  {
    return symbol_type (token::TOKEN_LSQUARE_BRACKET, l);
  }

  D2Parser::symbol_type
  D2Parser::make_RSQUARE_BRACKET (const location_type& l)
  {
    return symbol_type (token::TOKEN_RSQUARE_BRACKET, l);
  }

  D2Parser::symbol_type
  D2Parser::make_LCURLY_BRACKET (const location_type& l)
  {
    return symbol_type (token::TOKEN_LCURLY_BRACKET, l);
  }

  D2Parser::symbol_type
  D2Parser::make_RCURLY_BRACKET (const location_type& l)
  {
    return symbol_type (token::TOKEN_RCURLY_BRACKET, l);
  }

  D2Parser::symbol_type
  D2Parser::make_NULL_TYPE (const location_type& l)
  {
    return symbol_type (token::TOKEN_NULL_TYPE, l);
  }

  D2Parser::symbol_type
  D2Parser::make_DHCP6 (const location_type& l)
  {
    return symbol_type (token::TOKEN_DHCP6, l);
  }

  D2Parser::symbol_type
  D2Parser::make_DHCP4 (const location_type& l)
  {
    return symbol_type (token::TOKEN_DHCP4, l);
  }

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  D2Parser::symbol_type
  D2Parser::make_CONTROL_AGENT (const location_type& l)
  {
    return symbol_type (token::TOKEN_CONTROL_AGENT, l);
  }

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  D2Parser::symbol_type
  D2Parser::make_DHCPDDNS (const location_type& l)
  {
    return symbol_type (token::TOKEN_DHCPDDNS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_IP_ADDRESS (const location_type& l)
  {
    return symbol_type (token::TOKEN_IP_ADDRESS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_PORT (const location_type& l)
  {
    return symbol_type (token::TOKEN_PORT, l);
  }

  D2Parser::symbol_type
  D2Parser::make_DNS_SERVER_TIMEOUT (const location_type& l)
  {
    return symbol_type (token::TOKEN_DNS_SERVER_TIMEOUT, l);
  }

  D2Parser::symbol_type
  D2Parser::make_NCR_PROTOCOL (const location_type& l)
  {
    return symbol_type (token::TOKEN_NCR_PROTOCOL, l);
  }

  D2Parser::symbol_type
  D2Parser::make_UDP (const location_type& l)
  {
    return symbol_type (token::TOKEN_UDP, l);
  }

  D2Parser::symbol_type
  D2Parser::make_TCP (const location_type& l)
  {
    return symbol_type (token::TOKEN_TCP, l);
  }

  D2Parser::symbol_type
  D2Parser::make_NCR_FORMAT (const location_type& l)
  {
    return symbol_type (token::TOKEN_NCR_FORMAT, l);
  }

  D2Parser::symbol_type
  D2Parser::make_JSON (const location_type& l)
  {
    return symbol_type (token::TOKEN_JSON, l);
  }

  D2Parser::symbol_type
  D2Parser::make_FORWARD_DDNS (const location_type& l)
  {
    return symbol_type (token::TOKEN_FORWARD_DDNS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_REVERSE_DDNS (const location_type& l)
  {
    return symbol_type (token::TOKEN_REVERSE_DDNS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_DDNS_DOMAINS (const location_type& l)
  {
    return symbol_type (token::TOKEN_DDNS_DOMAINS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_KEY_NAME (const location_type& l)
  {
    return symbol_type (token::TOKEN_KEY_NAME, l);
  }

  D2Parser::symbol_type
  D2Parser::make_DNS_SERVERS (const location_type& l)
  {
    return symbol_type (token::TOKEN_DNS_SERVERS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_HOSTNAME (const location_type& l)
  {
    return symbol_type (token::TOKEN_HOSTNAME, l);
  }

  D2Parser::symbol_type
  D2Parser::make_TSIG_KEYS (const location_type& l)
  {
    return symbol_type (token::TOKEN_TSIG_KEYS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_ALGORITHM (const location_type& l)
  {
    return symbol_type (token::TOKEN_ALGORITHM, l);
  }

  D2Parser::symbol_type
  D2Parser::make_DIGEST_BITS (const location_type& l)
  {
    return symbol_type (token::TOKEN_DIGEST_BITS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_SECRET (const location_type& l)
  {
    return symbol_type (token::TOKEN_SECRET, l);
  }

  D2Parser::symbol_type
  D2Parser::make_LOGGING (const location_type& l)
  {
    return symbol_type (token::TOKEN_LOGGING, l);
  }

  D2Parser::symbol_type
  D2Parser::make_LOGGERS (const location_type& l)
  {
    return symbol_type (token::TOKEN_LOGGERS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_NAME (const location_type& l)
  {
    return symbol_type (token::TOKEN_NAME, l);
  }

  D2Parser::symbol_type
  D2Parser::make_OUTPUT_OPTIONS (const location_type& l)
  {
    return symbol_type (token::TOKEN_OUTPUT_OPTIONS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_OUTPUT (const location_type& l)
  {
    return symbol_type (token::TOKEN_OUTPUT, l);
  }

  D2Parser::symbol_type
  D2Parser::make_DEBUGLEVEL (const location_type& l)
  {
    return symbol_type (token::TOKEN_DEBUGLEVEL, l);
  }

  D2Parser::symbol_type
  D2Parser::make_SEVERITY (const location_type& l)
  {
    return symbol_type (token::TOKEN_SEVERITY, l);
  }

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  D2Parser::symbol_type
  D2Parser::make_FLUSH (const location_type& l)
  {
    return symbol_type (token::TOKEN_FLUSH, l);
  }

  D2Parser::symbol_type
  D2Parser::make_MAXSIZE (const location_type& l)
  {
    return symbol_type (token::TOKEN_MAXSIZE, l);
  }

  D2Parser::symbol_type
  D2Parser::make_MAXVER (const location_type& l)
  {
    return symbol_type (token::TOKEN_MAXVER, l);
  }

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  D2Parser::symbol_type
  D2Parser::make_TOPLEVEL_JSON (const location_type& l)
  {
    return symbol_type (token::TOKEN_TOPLEVEL_JSON, l);
  }

  D2Parser::symbol_type
  D2Parser::make_TOPLEVEL_DHCPDDNS (const location_type& l)
  {
    return symbol_type (token::TOKEN_TOPLEVEL_DHCPDDNS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_SUB_DHCPDDNS (const location_type& l)
  {
    return symbol_type (token::TOKEN_SUB_DHCPDDNS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_SUB_TSIG_KEY (const location_type& l)
  {
    return symbol_type (token::TOKEN_SUB_TSIG_KEY, l);
  }

  D2Parser::symbol_type
  D2Parser::make_SUB_TSIG_KEYS (const location_type& l)
  {
    return symbol_type (token::TOKEN_SUB_TSIG_KEYS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_SUB_DDNS_DOMAIN (const location_type& l)
  {
    return symbol_type (token::TOKEN_SUB_DDNS_DOMAIN, l);
  }

  D2Parser::symbol_type
  D2Parser::make_SUB_DDNS_DOMAINS (const location_type& l)
  {
    return symbol_type (token::TOKEN_SUB_DDNS_DOMAINS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_SUB_DNS_SERVER (const location_type& l)
  {
    return symbol_type (token::TOKEN_SUB_DNS_SERVER, l);
  }

  D2Parser::symbol_type
  D2Parser::make_SUB_DNS_SERVERS (const location_type& l)
  {
    return symbol_type (token::TOKEN_SUB_DNS_SERVERS, l);
  }

  D2Parser::symbol_type
  D2Parser::make_STRING (const std::string& v, const location_type& l)
  {
    return symbol_type (token::TOKEN_STRING, v, l);
  }

  D2Parser::symbol_type
  D2Parser::make_INTEGER (const int64_t& v, const location_type& l)
  {
    return symbol_type (token::TOKEN_INTEGER, v, l);
  }

  D2Parser::symbol_type
  D2Parser::make_FLOAT (const double& v, const location_type& l)
  {
    return symbol_type (token::TOKEN_FLOAT, v, l);
  }

  D2Parser::symbol_type
  D2Parser::make_BOOLEAN (const bool& v, const location_type& l)
  {
    return symbol_type (token::TOKEN_BOOLEAN, v, l);
  }


#line 14 "d2_parser.yy" // lalr1.cc:377
} } // isc::d2
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#line 1602 "d2_parser.h" // lalr1.cc:377
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#endif // !YY_D2_PARSER_D2_PARSER_H_INCLUDED