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885 lines
27 KiB
885 lines
27 KiB
// A Bison parser, made by GNU Bison 3.8.2.
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// Skeleton interface for Bison LALR(1) parsers in C++
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// Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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// As a special exception, you may create a larger work that contains
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// part or all of the Bison parser skeleton and distribute that work
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// under terms of your choice, so long as that work isn't itself a
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// parser generator using the skeleton or a modified version thereof
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// as a parser skeleton. Alternatively, if you modify or redistribute
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// the parser skeleton itself, you may (at your option) remove this
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// special exception, which will cause the skeleton and the resulting
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// Bison output files to be licensed under the GNU General Public
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// License without this special exception.
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// This special exception was added by the Free Software Foundation in
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// version 2.2 of Bison.
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/**
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** \file aprepro_parser.h
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** Define the SEAMS::parser class.
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*/
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// C++ LALR(1) parser skeleton written by Akim Demaille.
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// DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
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// especially those whose name start with YY_ or yy_. They are
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// private implementation details that can be changed or removed.
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#ifndef YY_SEAMS_APREPRO_PARSER_H_INCLUDED
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# define YY_SEAMS_APREPRO_PARSER_H_INCLUDED
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# include <cstdlib> // std::abort
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# include <iostream>
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# include <stdexcept>
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# include <string>
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# include <vector>
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#if defined __cplusplus
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# define YY_CPLUSPLUS __cplusplus
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#else
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# define YY_CPLUSPLUS 199711L
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#endif
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// Support move semantics when possible.
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#if 201103L <= YY_CPLUSPLUS
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# define YY_MOVE std::move
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# define YY_MOVE_OR_COPY move
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# define YY_MOVE_REF(Type) Type&&
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# define YY_RVREF(Type) Type&&
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# define YY_COPY(Type) Type
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#else
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# define YY_MOVE
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# define YY_MOVE_OR_COPY copy
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# define YY_MOVE_REF(Type) Type&
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# define YY_RVREF(Type) const Type&
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# define YY_COPY(Type) const Type&
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#endif
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// Support noexcept when possible.
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#if 201103L <= YY_CPLUSPLUS
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# define YY_NOEXCEPT noexcept
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# define YY_NOTHROW
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#else
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# define YY_NOEXCEPT
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# define YY_NOTHROW throw ()
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#endif
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// Support constexpr when possible.
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#if 201703 <= YY_CPLUSPLUS
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# define YY_CONSTEXPR constexpr
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#else
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# define YY_CONSTEXPR
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#endif
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#ifndef YY_ATTRIBUTE_PURE
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# if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__)
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# define YY_ATTRIBUTE_PURE __attribute__ ((__pure__))
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# else
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# define YY_ATTRIBUTE_PURE
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# endif
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#endif
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#ifndef YY_ATTRIBUTE_UNUSED
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# if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
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# define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__))
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# else
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# define YY_ATTRIBUTE_UNUSED
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# endif
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#endif
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/* Suppress unused-variable warnings by "using" E. */
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#if ! defined lint || defined __GNUC__
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# define YY_USE(E) ((void) (E))
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#else
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# define YY_USE(E) /* empty */
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#endif
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/* Suppress an incorrect diagnostic about yylval being uninitialized. */
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#if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__
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# if __GNUC__ * 100 + __GNUC_MINOR__ < 407
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# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
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_Pragma ("GCC diagnostic push") \
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_Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")
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# else
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# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
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_Pragma ("GCC diagnostic push") \
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_Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \
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_Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
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# endif
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# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
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_Pragma ("GCC diagnostic pop")
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#else
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# define YY_INITIAL_VALUE(Value) Value
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#endif
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#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
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# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
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# define YY_IGNORE_MAYBE_UNINITIALIZED_END
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#endif
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#ifndef YY_INITIAL_VALUE
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# define YY_INITIAL_VALUE(Value) /* Nothing. */
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#endif
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#if defined __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__
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# define YY_IGNORE_USELESS_CAST_BEGIN \
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_Pragma ("GCC diagnostic push") \
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_Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"")
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# define YY_IGNORE_USELESS_CAST_END \
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_Pragma ("GCC diagnostic pop")
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#endif
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#ifndef YY_IGNORE_USELESS_CAST_BEGIN
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# define YY_IGNORE_USELESS_CAST_BEGIN
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# define YY_IGNORE_USELESS_CAST_END
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#endif
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# ifndef YY_CAST
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# ifdef __cplusplus
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# define YY_CAST(Type, Val) static_cast<Type> (Val)
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# define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast<Type> (Val)
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# else
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# define YY_CAST(Type, Val) ((Type) (Val))
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# define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val))
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# endif
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# endif
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# ifndef YY_NULLPTR
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# if defined __cplusplus
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# if 201103L <= __cplusplus
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# define YY_NULLPTR nullptr
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# else
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# define YY_NULLPTR 0
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# endif
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# else
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# define YY_NULLPTR ((void*)0)
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# endif
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# endif
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/* Debug traces. */
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#ifndef SEAMSDEBUG
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# if defined YYDEBUG
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#if YYDEBUG
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# define SEAMSDEBUG 1
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# else
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# define SEAMSDEBUG 0
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# endif
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# else /* ! defined YYDEBUG */
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# define SEAMSDEBUG 1
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# endif /* ! defined YYDEBUG */
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#endif /* ! defined SEAMSDEBUG */
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namespace SEAMS {
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#line 190 "aprepro_parser.h"
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/// A Bison parser.
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class Parser
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{
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public:
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#ifdef SEAMSSTYPE
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# ifdef __GNUC__
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# pragma GCC message "bison: do not #define SEAMSSTYPE in C++, use %define api.value.type"
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# endif
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typedef SEAMSSTYPE value_type;
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#else
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/// Symbol semantic values.
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union value_type
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{
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#line 69 "/Users/gdsjaar/src/seacas/packages/seacas/libraries/aprepro_lib/aprepro.yy"
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double val; /* For returning numbers. */
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struct symrec *tptr; /* For returning symbol-table pointers */
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char *string; /* For returning quoted strings */
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struct array *arrval; /* For returning arrays */
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#line 215 "aprepro_parser.h"
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};
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#endif
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/// Backward compatibility (Bison 3.8).
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typedef value_type semantic_type;
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/// Syntax errors thrown from user actions.
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struct syntax_error : std::runtime_error
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{
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syntax_error (const std::string& m)
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: std::runtime_error (m)
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{}
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syntax_error (const syntax_error& s)
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: std::runtime_error (s.what ())
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{}
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~syntax_error () YY_NOEXCEPT YY_NOTHROW;
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};
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/// Token kinds.
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struct token
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{
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enum token_kind_type
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{
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SEAMSEMPTY = -2,
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END = 0, // "end of file"
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SEAMSerror = 256, // error
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SEAMSUNDEF = 257, // "invalid token"
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NUM = 258, // NUM
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QSTRING = 259, // QSTRING
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UNDVAR = 260, // UNDVAR
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VAR = 261, // VAR
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SVAR = 262, // SVAR
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IMMVAR = 263, // IMMVAR
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IMMSVAR = 264, // IMMSVAR
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AVAR = 265, // AVAR
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FNCT = 266, // FNCT
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SFNCT = 267, // SFNCT
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AFNCT = 268, // AFNCT
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COMMA = 269, // COMMA
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LPAR = 270, // LPAR
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RPAR = 271, // RPAR
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LBRACK = 272, // LBRACK
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RBRACK = 273, // RBRACK
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LBRACE = 274, // LBRACE
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RBRACE = 275, // RBRACE
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SEMI = 276, // SEMI
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EQUAL = 277, // EQUAL
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EQ_PLUS = 278, // EQ_PLUS
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EQ_MINUS = 279, // EQ_MINUS
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EQ_TIME = 280, // EQ_TIME
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EQ_DIV = 281, // EQ_DIV
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EQ_POW = 282, // EQ_POW
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QUEST = 283, // QUEST
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COLON = 284, // COLON
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LOR = 285, // LOR
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LAND = 286, // LAND
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LT = 287, // LT
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GT = 288, // GT
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LE = 289, // LE
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GE = 290, // GE
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EQ = 291, // EQ
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NE = 292, // NE
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PLU = 293, // PLU
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SUB = 294, // SUB
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DIV = 295, // DIV
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TIM = 296, // TIM
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MOD = 297, // MOD
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UNARY = 298, // UNARY
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NOT = 299, // NOT
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POW = 300, // POW
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INC = 301, // INC
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DEC = 302, // DEC
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CONCAT = 303 // CONCAT
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};
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/// Backward compatibility alias (Bison 3.6).
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typedef token_kind_type yytokentype;
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};
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/// Token kind, as returned by yylex.
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typedef token::token_kind_type token_kind_type;
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/// Backward compatibility alias (Bison 3.6).
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typedef token_kind_type token_type;
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/// Symbol kinds.
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struct symbol_kind
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{
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enum symbol_kind_type
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{
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YYNTOKENS = 50, ///< Number of tokens.
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S_YYEMPTY = -2,
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S_YYEOF = 0, // "end of file"
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S_YYerror = 1, // error
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S_YYUNDEF = 2, // "invalid token"
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S_NUM = 3, // NUM
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S_QSTRING = 4, // QSTRING
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S_UNDVAR = 5, // UNDVAR
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S_VAR = 6, // VAR
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S_SVAR = 7, // SVAR
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S_IMMVAR = 8, // IMMVAR
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S_IMMSVAR = 9, // IMMSVAR
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S_AVAR = 10, // AVAR
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S_FNCT = 11, // FNCT
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S_SFNCT = 12, // SFNCT
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S_AFNCT = 13, // AFNCT
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S_COMMA = 14, // COMMA
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S_LPAR = 15, // LPAR
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S_RPAR = 16, // RPAR
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S_LBRACK = 17, // LBRACK
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S_RBRACK = 18, // RBRACK
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S_LBRACE = 19, // LBRACE
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S_RBRACE = 20, // RBRACE
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S_SEMI = 21, // SEMI
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S_EQUAL = 22, // EQUAL
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S_EQ_PLUS = 23, // EQ_PLUS
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S_EQ_MINUS = 24, // EQ_MINUS
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S_EQ_TIME = 25, // EQ_TIME
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S_EQ_DIV = 26, // EQ_DIV
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S_EQ_POW = 27, // EQ_POW
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S_QUEST = 28, // QUEST
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S_COLON = 29, // COLON
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S_LOR = 30, // LOR
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S_LAND = 31, // LAND
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S_LT = 32, // LT
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S_GT = 33, // GT
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S_LE = 34, // LE
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S_GE = 35, // GE
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S_EQ = 36, // EQ
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S_NE = 37, // NE
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S_PLU = 38, // PLU
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S_SUB = 39, // SUB
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S_DIV = 40, // DIV
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S_TIM = 41, // TIM
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S_MOD = 42, // MOD
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S_UNARY = 43, // UNARY
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S_NOT = 44, // NOT
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S_POW = 45, // POW
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S_INC = 46, // INC
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S_DEC = 47, // DEC
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S_CONCAT = 48, // CONCAT
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S_49_n_ = 49, // '\n'
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S_YYACCEPT = 50, // $accept
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S_input = 51, // input
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S_line = 52, // line
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S_bool = 53, // bool
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S_aexp = 54, // aexp
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S_sexp = 55, // sexp
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S_exp = 56 // exp
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};
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};
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/// (Internal) symbol kind.
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typedef symbol_kind::symbol_kind_type symbol_kind_type;
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/// The number of tokens.
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static const symbol_kind_type YYNTOKENS = symbol_kind::YYNTOKENS;
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/// A complete symbol.
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///
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/// Expects its Base type to provide access to the symbol kind
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/// via kind ().
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///
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/// Provide access to semantic value.
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template <typename Base>
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struct basic_symbol : Base
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{
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/// Alias to Base.
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typedef Base super_type;
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/// Default constructor.
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basic_symbol () YY_NOEXCEPT
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: value ()
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{}
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#if 201103L <= YY_CPLUSPLUS
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/// Move constructor.
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basic_symbol (basic_symbol&& that)
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: Base (std::move (that))
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, value (std::move (that.value))
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{}
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#endif
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/// Copy constructor.
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basic_symbol (const basic_symbol& that);
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/// Constructor for valueless symbols.
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basic_symbol (typename Base::kind_type t);
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/// Constructor for symbols with semantic value.
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basic_symbol (typename Base::kind_type t,
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YY_RVREF (value_type) v);
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/// Destroy the symbol.
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~basic_symbol ()
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{
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clear ();
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}
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/// Destroy contents, and record that is empty.
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void clear () YY_NOEXCEPT
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{
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Base::clear ();
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}
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/// The user-facing name of this symbol.
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std::string name () const YY_NOEXCEPT
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{
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return Parser::symbol_name (this->kind ());
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}
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/// Backward compatibility (Bison 3.6).
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symbol_kind_type type_get () const YY_NOEXCEPT;
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/// Whether empty.
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bool empty () const YY_NOEXCEPT;
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/// Destructive move, \a s is emptied into this.
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void move (basic_symbol& s);
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/// The semantic value.
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value_type value;
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private:
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#if YY_CPLUSPLUS < 201103L
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/// Assignment operator.
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basic_symbol& operator= (const basic_symbol& that);
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#endif
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};
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/// Type access provider for token (enum) based symbols.
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struct by_kind
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{
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/// The symbol kind as needed by the constructor.
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typedef token_kind_type kind_type;
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/// Default constructor.
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by_kind () YY_NOEXCEPT;
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#if 201103L <= YY_CPLUSPLUS
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/// Move constructor.
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by_kind (by_kind&& that) YY_NOEXCEPT;
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#endif
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/// Copy constructor.
|
|
by_kind (const by_kind& that) YY_NOEXCEPT;
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/// Constructor from (external) token numbers.
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by_kind (kind_type t) YY_NOEXCEPT;
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/// Record that this symbol is empty.
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void clear () YY_NOEXCEPT;
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/// Steal the symbol kind from \a that.
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void move (by_kind& that);
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/// The (internal) type number (corresponding to \a type).
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/// \a empty when empty.
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symbol_kind_type kind () const YY_NOEXCEPT;
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/// Backward compatibility (Bison 3.6).
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symbol_kind_type type_get () const YY_NOEXCEPT;
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/// The symbol kind.
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/// \a S_YYEMPTY when empty.
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symbol_kind_type kind_;
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};
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/// Backward compatibility for a private implementation detail (Bison 3.6).
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typedef by_kind by_type;
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/// "External" symbols: returned by the scanner.
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struct symbol_type : basic_symbol<by_kind>
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{};
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/// Build a parser object.
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Parser (class Aprepro& aprepro_yyarg);
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virtual ~Parser ();
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#if 201103L <= YY_CPLUSPLUS
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/// Non copyable.
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Parser (const Parser&) = delete;
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/// Non copyable.
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Parser& operator= (const Parser&) = delete;
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#endif
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/// Parse. An alias for parse ().
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/// \returns 0 iff parsing succeeded.
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int operator() ();
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/// Parse.
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/// \returns 0 iff parsing succeeded.
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virtual int parse ();
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#if SEAMSDEBUG
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/// The current debugging stream.
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std::ostream& debug_stream () const YY_ATTRIBUTE_PURE;
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/// Set the current debugging stream.
|
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void set_debug_stream (std::ostream &);
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/// Type for debugging levels.
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typedef int debug_level_type;
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/// The current debugging level.
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debug_level_type debug_level () const YY_ATTRIBUTE_PURE;
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/// Set the current debugging level.
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void set_debug_level (debug_level_type l);
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#endif
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/// Report a syntax error.
|
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/// \param msg a description of the syntax error.
|
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virtual void error (const std::string& msg);
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|
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/// Report a syntax error.
|
|
void error (const syntax_error& err);
|
|
|
|
/// The user-facing name of the symbol whose (internal) number is
|
|
/// YYSYMBOL. No bounds checking.
|
|
static std::string symbol_name (symbol_kind_type yysymbol);
|
|
|
|
|
|
|
|
class context
|
|
{
|
|
public:
|
|
context (const Parser& yyparser, const symbol_type& yyla);
|
|
const symbol_type& lookahead () const YY_NOEXCEPT { return yyla_; }
|
|
symbol_kind_type token () const YY_NOEXCEPT { return yyla_.kind (); }
|
|
/// Put in YYARG at most YYARGN of the expected tokens, and return the
|
|
/// number of tokens stored in YYARG. If YYARG is null, return the
|
|
/// number of expected tokens (guaranteed to be less than YYNTOKENS).
|
|
int expected_tokens (symbol_kind_type yyarg[], int yyargn) const;
|
|
|
|
private:
|
|
const Parser& yyparser_;
|
|
const symbol_type& yyla_;
|
|
};
|
|
|
|
private:
|
|
#if YY_CPLUSPLUS < 201103L
|
|
/// Non copyable.
|
|
Parser (const Parser&);
|
|
/// Non copyable.
|
|
Parser& operator= (const Parser&);
|
|
#endif
|
|
|
|
|
|
/// Stored state numbers (used for stacks).
|
|
typedef short state_type;
|
|
|
|
/// The arguments of the error message.
|
|
int yy_syntax_error_arguments_ (const context& yyctx,
|
|
symbol_kind_type yyarg[], int yyargn) const;
|
|
|
|
/// Generate an error message.
|
|
/// \param yyctx the context in which the error occurred.
|
|
virtual std::string yysyntax_error_ (const context& yyctx) const;
|
|
/// Compute post-reduction state.
|
|
/// \param yystate the current state
|
|
/// \param yysym the nonterminal to push on the stack
|
|
static state_type yy_lr_goto_state_ (state_type yystate, int yysym);
|
|
|
|
/// Whether the given \c yypact_ value indicates a defaulted state.
|
|
/// \param yyvalue the value to check
|
|
static bool yy_pact_value_is_default_ (int yyvalue) YY_NOEXCEPT;
|
|
|
|
/// Whether the given \c yytable_ value indicates a syntax error.
|
|
/// \param yyvalue the value to check
|
|
static bool yy_table_value_is_error_ (int yyvalue) YY_NOEXCEPT;
|
|
|
|
static const signed char yypact_ninf_;
|
|
static const signed char yytable_ninf_;
|
|
|
|
/// Convert a scanner token kind \a t to a symbol kind.
|
|
/// In theory \a t should be a token_kind_type, but character literals
|
|
/// are valid, yet not members of the token_kind_type enum.
|
|
static symbol_kind_type yytranslate_ (int t) YY_NOEXCEPT;
|
|
|
|
/// Convert the symbol name \a n to a form suitable for a diagnostic.
|
|
static std::string yytnamerr_ (const char *yystr);
|
|
|
|
/// For a symbol, its name in clear.
|
|
static const char* const yytname_[];
|
|
|
|
|
|
// Tables.
|
|
// YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
|
|
// STATE-NUM.
|
|
static const short yypact_[];
|
|
|
|
// YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
|
|
// Performed when YYTABLE does not specify something else to do. Zero
|
|
// means the default is an error.
|
|
static const unsigned char yydefact_[];
|
|
|
|
// YYPGOTO[NTERM-NUM].
|
|
static const signed char yypgoto_[];
|
|
|
|
// YYDEFGOTO[NTERM-NUM].
|
|
static const unsigned char yydefgoto_[];
|
|
|
|
// YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If
|
|
// positive, shift that token. If negative, reduce the rule whose
|
|
// number is the opposite. If YYTABLE_NINF, syntax error.
|
|
static const short yytable_[];
|
|
|
|
static const short yycheck_[];
|
|
|
|
// YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of
|
|
// state STATE-NUM.
|
|
static const signed char yystos_[];
|
|
|
|
// YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM.
|
|
static const signed char yyr1_[];
|
|
|
|
// YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM.
|
|
static const signed char yyr2_[];
|
|
|
|
|
|
#if SEAMSDEBUG
|
|
// YYRLINE[YYN] -- Source line where rule number YYN was defined.
|
|
static const short yyrline_[];
|
|
/// Report on the debug stream that the rule \a r is going to be reduced.
|
|
virtual void yy_reduce_print_ (int r) const;
|
|
/// Print the state stack on the debug stream.
|
|
virtual void yy_stack_print_ () const;
|
|
|
|
/// Debugging level.
|
|
int yydebug_;
|
|
/// Debug stream.
|
|
std::ostream* yycdebug_;
|
|
|
|
/// \brief Display a symbol kind, value and location.
|
|
/// \param yyo The output stream.
|
|
/// \param yysym The symbol.
|
|
template <typename Base>
|
|
void yy_print_ (std::ostream& yyo, const basic_symbol<Base>& yysym) const;
|
|
#endif
|
|
|
|
/// \brief Reclaim the memory associated to a symbol.
|
|
/// \param yymsg Why this token is reclaimed.
|
|
/// If null, print nothing.
|
|
/// \param yysym The symbol.
|
|
template <typename Base>
|
|
void yy_destroy_ (const char* yymsg, basic_symbol<Base>& yysym) const;
|
|
|
|
private:
|
|
/// Type access provider for state based symbols.
|
|
struct by_state
|
|
{
|
|
/// Default constructor.
|
|
by_state () YY_NOEXCEPT;
|
|
|
|
/// The symbol kind as needed by the constructor.
|
|
typedef state_type kind_type;
|
|
|
|
/// Constructor.
|
|
by_state (kind_type s) YY_NOEXCEPT;
|
|
|
|
/// Copy constructor.
|
|
by_state (const by_state& that) YY_NOEXCEPT;
|
|
|
|
/// Record that this symbol is empty.
|
|
void clear () YY_NOEXCEPT;
|
|
|
|
/// Steal the symbol kind from \a that.
|
|
void move (by_state& that);
|
|
|
|
/// The symbol kind (corresponding to \a state).
|
|
/// \a symbol_kind::S_YYEMPTY when empty.
|
|
symbol_kind_type kind () const YY_NOEXCEPT;
|
|
|
|
/// The state number used to denote an empty symbol.
|
|
/// We use the initial state, as it does not have a value.
|
|
enum { empty_state = 0 };
|
|
|
|
/// The state.
|
|
/// \a empty when empty.
|
|
state_type state;
|
|
};
|
|
|
|
/// "Internal" symbol: element of the stack.
|
|
struct stack_symbol_type : basic_symbol<by_state>
|
|
{
|
|
/// Superclass.
|
|
typedef basic_symbol<by_state> super_type;
|
|
/// Construct an empty symbol.
|
|
stack_symbol_type ();
|
|
/// Move or copy construction.
|
|
stack_symbol_type (YY_RVREF (stack_symbol_type) that);
|
|
/// Steal the contents from \a sym to build this.
|
|
stack_symbol_type (state_type s, YY_MOVE_REF (symbol_type) sym);
|
|
#if YY_CPLUSPLUS < 201103L
|
|
/// Assignment, needed by push_back by some old implementations.
|
|
/// Moves the contents of that.
|
|
stack_symbol_type& operator= (stack_symbol_type& that);
|
|
|
|
/// Assignment, needed by push_back by other implementations.
|
|
/// Needed by some other old implementations.
|
|
stack_symbol_type& operator= (const stack_symbol_type& that);
|
|
#endif
|
|
};
|
|
|
|
/// A stack with random access from its top.
|
|
template <typename T, typename S = std::vector<T> >
|
|
class stack
|
|
{
|
|
public:
|
|
// Hide our reversed order.
|
|
typedef typename S::iterator iterator;
|
|
typedef typename S::const_iterator const_iterator;
|
|
typedef typename S::size_type size_type;
|
|
typedef typename std::ptrdiff_t index_type;
|
|
|
|
stack (size_type n = 200) YY_NOEXCEPT
|
|
: seq_ (n)
|
|
{}
|
|
|
|
#if 201103L <= YY_CPLUSPLUS
|
|
/// Non copyable.
|
|
stack (const stack&) = delete;
|
|
/// Non copyable.
|
|
stack& operator= (const stack&) = delete;
|
|
#endif
|
|
|
|
/// Random access.
|
|
///
|
|
/// Index 0 returns the topmost element.
|
|
const T&
|
|
operator[] (index_type i) const
|
|
{
|
|
return seq_[size_type (size () - 1 - i)];
|
|
}
|
|
|
|
/// Random access.
|
|
///
|
|
/// Index 0 returns the topmost element.
|
|
T&
|
|
operator[] (index_type i)
|
|
{
|
|
return seq_[size_type (size () - 1 - i)];
|
|
}
|
|
|
|
/// Steal the contents of \a t.
|
|
///
|
|
/// Close to move-semantics.
|
|
void
|
|
push (YY_MOVE_REF (T) t)
|
|
{
|
|
seq_.push_back (T ());
|
|
operator[] (0).move (t);
|
|
}
|
|
|
|
/// Pop elements from the stack.
|
|
void
|
|
pop (std::ptrdiff_t n = 1) YY_NOEXCEPT
|
|
{
|
|
for (; 0 < n; --n)
|
|
seq_.pop_back ();
|
|
}
|
|
|
|
/// Pop all elements from the stack.
|
|
void
|
|
clear () YY_NOEXCEPT
|
|
{
|
|
seq_.clear ();
|
|
}
|
|
|
|
/// Number of elements on the stack.
|
|
index_type
|
|
size () const YY_NOEXCEPT
|
|
{
|
|
return index_type (seq_.size ());
|
|
}
|
|
|
|
/// Iterator on top of the stack (going downwards).
|
|
const_iterator
|
|
begin () const YY_NOEXCEPT
|
|
{
|
|
return seq_.begin ();
|
|
}
|
|
|
|
/// Bottom of the stack.
|
|
const_iterator
|
|
end () const YY_NOEXCEPT
|
|
{
|
|
return seq_.end ();
|
|
}
|
|
|
|
/// Present a slice of the top of a stack.
|
|
class slice
|
|
{
|
|
public:
|
|
slice (const stack& stack, index_type range) YY_NOEXCEPT
|
|
: stack_ (stack)
|
|
, range_ (range)
|
|
{}
|
|
|
|
const T&
|
|
operator[] (index_type i) const
|
|
{
|
|
return stack_[range_ - i];
|
|
}
|
|
|
|
private:
|
|
const stack& stack_;
|
|
index_type range_;
|
|
};
|
|
|
|
private:
|
|
#if YY_CPLUSPLUS < 201103L
|
|
/// Non copyable.
|
|
stack (const stack&);
|
|
/// Non copyable.
|
|
stack& operator= (const stack&);
|
|
#endif
|
|
/// The wrapped container.
|
|
S seq_;
|
|
};
|
|
|
|
|
|
/// Stack type.
|
|
typedef stack<stack_symbol_type> stack_type;
|
|
|
|
/// The stack.
|
|
stack_type yystack_;
|
|
|
|
/// Push a new state on the stack.
|
|
/// \param m a debug message to display
|
|
/// if null, no trace is output.
|
|
/// \param sym the symbol
|
|
/// \warning the contents of \a s.value is stolen.
|
|
void yypush_ (const char* m, YY_MOVE_REF (stack_symbol_type) sym);
|
|
|
|
/// Push a new look ahead token on the state on the stack.
|
|
/// \param m a debug message to display
|
|
/// if null, no trace is output.
|
|
/// \param s the state
|
|
/// \param sym the symbol (for its value and location).
|
|
/// \warning the contents of \a sym.value is stolen.
|
|
void yypush_ (const char* m, state_type s, YY_MOVE_REF (symbol_type) sym);
|
|
|
|
/// Pop \a n symbols from the stack.
|
|
void yypop_ (int n = 1) YY_NOEXCEPT;
|
|
|
|
/// Constants.
|
|
enum
|
|
{
|
|
yylast_ = 1324, ///< Last index in yytable_.
|
|
yynnts_ = 7, ///< Number of nonterminal symbols.
|
|
yyfinal_ = 2 ///< Termination state number.
|
|
};
|
|
|
|
|
|
// User arguments.
|
|
class Aprepro& aprepro;
|
|
|
|
};
|
|
|
|
|
|
} // SEAMS
|
|
#line 881 "aprepro_parser.h"
|
|
|
|
|
|
|
|
|
|
#endif // !YY_SEAMS_APREPRO_PARSER_H_INCLUDED
|
|
|