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bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/calc++-parser.hh

Index: bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/calc++-parser.hh
===================================================================
--- bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/calc++-parser.hh	(revision 0)
+++ bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/calc++-parser.hh	(revision 0)
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+
+/* A Bison parser, made by GNU Bison 2.4.1.  */
+
+/* Skeleton interface for Bison LALR(1) parsers in C++
+   
+      Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 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.  */
+
+#ifndef PARSER_HEADER_H
+# define PARSER_HEADER_H
+
+/* "%code requires" blocks.  */
+
+/* Line 300 of lalr1.cc  */
+#line 8438 "../../doc/bison.texinfo"
+
+# include <string>
+class calcxx_driver;
+
+
+
+/* Line 300 of lalr1.cc  */
+#line 52 "./calc++-parser.hh"
+
+
+#include <string>
+#include <iostream>
+#include "stack.hh"
+
+
+/* Line 300 of lalr1.cc  */
+#line 1 "[Bison:b4_percent_define_default]"
+
+namespace yy {
+
+/* Line 300 of lalr1.cc  */
+#line 66 "./calc++-parser.hh"
+  class position;
+  class location;
+
+/* Line 300 of lalr1.cc  */
+#line 1 "[Bison:b4_percent_define_default]"
+
+} // yy
+
+/* Line 300 of lalr1.cc  */
+#line 76 "./calc++-parser.hh"
+
+#include "location.hh"
+
+/* Enabling traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 1
+#endif
+
+/* Enabling verbose error messages.  */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 1
+#endif
+
+/* Enabling the token table.  */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 0
+#endif
+
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+   If N is 0, then set CURRENT to the empty location which ends
+   the previous symbol: RHS[0] (always defined).  */
+
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N)		\
+do {							\
+  if (N)						\
+    {							\
+      (Current).begin = (Rhs)[1].begin;			\
+      (Current).end   = (Rhs)[N].end;			\
+    }							\
+  else							\
+    {							\
+      (Current).begin = (Current).end = (Rhs)[0].end;	\
+    }							\
+} while (false)
+#endif
+
+
+/* Line 300 of lalr1.cc  */
+#line 1 "[Bison:b4_percent_define_default]"
+
+namespace yy {
+
+/* Line 300 of lalr1.cc  */
+#line 124 "./calc++-parser.hh"
+
+  /// A Bison parser.
+  class calcxx_parser
+  {
+  public:
+    /// Symbol semantic values.
+#ifndef YYSTYPE
+    union semantic_type
+    {
+
+/* Line 300 of lalr1.cc  */
+#line 8490 "../../doc/bison.texinfo"
+
+  int          ival;
+  std::string *sval;
+
+
+
+/* Line 300 of lalr1.cc  */
+#line 144 "./calc++-parser.hh"
+    };
+#else
+    typedef YYSTYPE semantic_type;
+#endif
+    /// Symbol locations.
+    typedef location location_type;
+    /// Tokens.
+    struct token
+    {
+      /* Tokens.  */
+   enum yytokentype {
+     END = 0,
+     ASSIGN = 258,
+     IDENTIFIER = 259,
+     NUMBER = 260
+   };
+
+    };
+    /// Token type.
+    typedef token::yytokentype token_type;
+
+    /// Build a parser object.
+    calcxx_parser (calcxx_driver& driver_yyarg);
+    virtual ~calcxx_parser ();
+
+    /// Parse.
+    /// \returns  0 iff parsing succeeded.
+    virtual int parse ();
+
+#if YYDEBUG
+    /// The current debugging stream.
+    std::ostream& debug_stream () const;
+    /// 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;
+    /// Set the current debugging level.
+    void set_debug_level (debug_level_type l);
+#endif
+
+  private:
+    /// 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);
+
+    /// Generate an error message.
+    /// \param state   the state where the error occurred.
+    /// \param tok     the lookahead token.
+    virtual std::string yysyntax_error_ (int yystate, int tok);
+
+#if YYDEBUG
+    /// \brief Report a symbol value on the debug stream.
+    /// \param yytype       The token type.
+    /// \param yyvaluep     Its semantic value.
+    /// \param yylocationp  Its location.
+    virtual void yy_symbol_value_print_ (int yytype,
+					 const semantic_type* yyvaluep,
+					 const location_type* yylocationp);
+    /// \brief Report a symbol on the debug stream.
+    /// \param yytype       The token type.
+    /// \param yyvaluep     Its semantic value.
+    /// \param yylocationp  Its location.
+    virtual void yy_symbol_print_ (int yytype,
+				   const semantic_type* yyvaluep,
+				   const location_type* yylocationp);
+#endif
+
+
+    /// State numbers.
+    typedef int state_type;
+    /// State stack type.
+    typedef stack<state_type>    state_stack_type;
+    /// Semantic value stack type.
+    typedef stack<semantic_type> semantic_stack_type;
+    /// location stack type.
+    typedef stack<location_type> location_stack_type;
+
+    /// The state stack.
+    state_stack_type yystate_stack_;
+    /// The semantic value stack.
+    semantic_stack_type yysemantic_stack_;
+    /// The location stack.
+    location_stack_type yylocation_stack_;
+
+    /// Internal symbol numbers.
+    typedef unsigned char token_number_type;
+    /* Tables.  */
+    /// For a state, the index in \a yytable_ of its portion.
+    static const signed char yypact_[];
+    static const signed char yypact_ninf_;
+
+    /// For a state, default rule to reduce.
+    /// Unless\a  yytable_ specifies something else to do.
+    /// Zero means the default is an error.
+    static const unsigned char yydefact_[];
+
+    static const signed char yypgoto_[];
+    static const signed char yydefgoto_[];
+
+    /// What to do in a state.
+    /// \a yytable_[yypact_[s]]: what to do in state \a s.
+    /// - if positive, shift that token.
+    /// - if negative, reduce the rule which number is the opposite.
+    /// - if zero, do what YYDEFACT says.
+    static const unsigned char yytable_[];
+    static const signed char yytable_ninf_;
+
+    static const signed char yycheck_[];
+
+    /// For a state, its accessing symbol.
+    static const unsigned char yystos_[];
+
+    /// For a rule, its LHS.
+    static const unsigned char yyr1_[];
+    /// For a rule, its RHS length.
+    static const unsigned char yyr2_[];
+
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+    /// For a symbol, its name in clear.
+    static const char* const yytname_[];
+#endif
+
+#if YYERROR_VERBOSE
+    /// Convert the symbol name \a n to a form suitable for a diagnostic.
+    virtual std::string yytnamerr_ (const char *n);
+#endif
+
+#if YYDEBUG
+    /// A type to store symbol numbers and -1.
+    typedef signed char rhs_number_type;
+    /// A `-1'-separated list of the rules' RHS.
+    static const rhs_number_type yyrhs_[];
+    /// For each rule, the index of the first RHS symbol in \a yyrhs_.
+    static const unsigned char yyprhs_[];
+    /// For each rule, its source line number.
+    static const unsigned short int yyrline_[];
+    /// For each scanner token number, its symbol number.
+    static const unsigned short int yytoken_number_[];
+    /// 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_;
+#endif
+
+    /// Convert a scanner token number \a t to a symbol number.
+    token_number_type yytranslate_ (int t);
+
+    /// \brief Reclaim the memory associated to a symbol.
+    /// \param yymsg        Why this token is reclaimed.
+    /// \param yytype       The symbol type.
+    /// \param yyvaluep     Its semantic value.
+    /// \param yylocationp  Its location.
+    inline void yydestruct_ (const char* yymsg,
+			     int yytype,
+			     semantic_type* yyvaluep,
+			     location_type* yylocationp);
+
+    /// Pop \a n symbols the three stacks.
+    inline void yypop_ (unsigned int n = 1);
+
+    /* Constants.  */
+    static const int yyeof_;
+    /* LAST_ -- Last index in TABLE_.  */
+    static const int yylast_;
+    static const int yynnts_;
+    static const int yyempty_;
+    static const int yyfinal_;
+    static const int yyterror_;
+    static const int yyerrcode_;
+    static const int yyntokens_;
+    static const unsigned int yyuser_token_number_max_;
+    static const token_number_type yyundef_token_;
+
+    /* User arguments.  */
+    calcxx_driver& driver;
+  };
+
+/* Line 300 of lalr1.cc  */
+#line 1 "[Bison:b4_percent_define_default]"
+
+} // yy
+
+/* Line 300 of lalr1.cc  */
+#line 336 "./calc++-parser.hh"
+
+
+
+#endif /* ! defined PARSER_HEADER_H */