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Diffstat (limited to 'src/bin/agent/location.hh')
-rw-r--r-- | src/bin/agent/location.hh | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/src/bin/agent/location.hh b/src/bin/agent/location.hh new file mode 100644 index 0000000..3f820cc --- /dev/null +++ b/src/bin/agent/location.hh @@ -0,0 +1,306 @@ +// A Bison parser, made by GNU Bison 3.8.2. + +// Locations for Bison parsers in C++ + +// Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc. + +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. + +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <https://www.gnu.org/licenses/>. + +// As a special exception, you may create a larger work that contains +// part or all of the Bison parser skeleton and distribute that work +// under terms of your choice, so long as that work isn't itself a +// parser generator using the skeleton or a modified version thereof +// as a parser skeleton. Alternatively, if you modify or redistribute +// the parser skeleton itself, you may (at your option) remove this +// special exception, which will cause the skeleton and the resulting +// Bison output files to be licensed under the GNU General Public +// License without this special exception. + +// This special exception was added by the Free Software Foundation in +// version 2.2 of Bison. + +/** + ** \file location.hh + ** Define the isc::agent::location class. + */ + +#ifndef YY_AGENT_LOCATION_HH_INCLUDED +# define YY_AGENT_LOCATION_HH_INCLUDED + +# include <iostream> +# include <string> + +# ifndef YY_NULLPTR +# if defined __cplusplus +# if 201103L <= __cplusplus +# define YY_NULLPTR nullptr +# else +# define YY_NULLPTR 0 +# endif +# else +# define YY_NULLPTR ((void*)0) +# endif +# endif + +#line 14 "agent_parser.yy" +namespace isc { namespace agent { +#line 59 "location.hh" + + /// A point in a source file. + class position + { + public: + /// Type for file name. + typedef const std::string filename_type; + /// Type for line and column numbers. + typedef int counter_type; + + /// Construct a position. + explicit position (filename_type* f = YY_NULLPTR, + counter_type l = 1, + counter_type c = 1) + : filename (f) + , line (l) + , column (c) + {} + + + /// Initialization. + void initialize (filename_type* fn = YY_NULLPTR, + counter_type l = 1, + counter_type c = 1) + { + filename = fn; + line = l; + column = c; + } + + /** \name Line and Column related manipulators + ** \{ */ + /// (line related) Advance to the COUNT next lines. + void lines (counter_type count = 1) + { + if (count) + { + column = 1; + line = add_ (line, count, 1); + } + } + + /// (column related) Advance to the COUNT next columns. + void columns (counter_type count = 1) + { + column = add_ (column, count, 1); + } + /** \} */ + + /// File name to which this position refers. + filename_type* filename; + /// Current line number. + counter_type line; + /// Current column number. + counter_type column; + + private: + /// Compute max (min, lhs+rhs). + static counter_type add_ (counter_type lhs, counter_type rhs, counter_type min) + { + return lhs + rhs < min ? min : lhs + rhs; + } + }; + + /// Add \a width columns, in place. + inline position& + operator+= (position& res, position::counter_type width) + { + res.columns (width); + return res; + } + + /// Add \a width columns. + inline position + operator+ (position res, position::counter_type width) + { + return res += width; + } + + /// Subtract \a width columns, in place. + inline position& + operator-= (position& res, position::counter_type width) + { + return res += -width; + } + + /// Subtract \a width columns. + inline position + operator- (position res, position::counter_type width) + { + return res -= width; + } + + /** \brief Intercept output stream redirection. + ** \param ostr the destination output stream + ** \param pos a reference to the position to redirect + */ + template <typename YYChar> + std::basic_ostream<YYChar>& + operator<< (std::basic_ostream<YYChar>& ostr, const position& pos) + { + if (pos.filename) + ostr << *pos.filename << ':'; + return ostr << pos.line << '.' << pos.column; + } + + /// Two points in a source file. + class location + { + public: + /// Type for file name. + typedef position::filename_type filename_type; + /// Type for line and column numbers. + typedef position::counter_type counter_type; + + /// Construct a location from \a b to \a e. + location (const position& b, const position& e) + : begin (b) + , end (e) + {} + + /// Construct a 0-width location in \a p. + explicit location (const position& p = position ()) + : begin (p) + , end (p) + {} + + /// Construct a 0-width location in \a f, \a l, \a c. + explicit location (filename_type* f, + counter_type l = 1, + counter_type c = 1) + : begin (f, l, c) + , end (f, l, c) + {} + + + /// Initialization. + void initialize (filename_type* f = YY_NULLPTR, + counter_type l = 1, + counter_type c = 1) + { + begin.initialize (f, l, c); + end = begin; + } + + /** \name Line and Column related manipulators + ** \{ */ + public: + /// Reset initial location to final location. + void step () + { + begin = end; + } + + /// Extend the current location to the COUNT next columns. + void columns (counter_type count = 1) + { + end += count; + } + + /// Extend the current location to the COUNT next lines. + void lines (counter_type count = 1) + { + end.lines (count); + } + /** \} */ + + + public: + /// Beginning of the located region. + position begin; + /// End of the located region. + position end; + }; + + /// Join two locations, in place. + inline location& + operator+= (location& res, const location& end) + { + res.end = end.end; + return res; + } + + /// Join two locations. + inline location + operator+ (location res, const location& end) + { + return res += end; + } + + /// Add \a width columns to the end position, in place. + inline location& + operator+= (location& res, location::counter_type width) + { + res.columns (width); + return res; + } + + /// Add \a width columns to the end position. + inline location + operator+ (location res, location::counter_type width) + { + return res += width; + } + + /// Subtract \a width columns to the end position, in place. + inline location& + operator-= (location& res, location::counter_type width) + { + return res += -width; + } + + /// Subtract \a width columns to the end position. + inline location + operator- (location res, location::counter_type width) + { + return res -= width; + } + + /** \brief Intercept output stream redirection. + ** \param ostr the destination output stream + ** \param loc a reference to the location to redirect + ** + ** Avoid duplicate information. + */ + template <typename YYChar> + std::basic_ostream<YYChar>& + operator<< (std::basic_ostream<YYChar>& ostr, const location& loc) + { + location::counter_type end_col + = 0 < loc.end.column ? loc.end.column - 1 : 0; + ostr << loc.begin; + if (loc.end.filename + && (!loc.begin.filename + || *loc.begin.filename != *loc.end.filename)) + ostr << '-' << loc.end.filename << ':' << loc.end.line << '.' << end_col; + else if (loc.begin.line < loc.end.line) + ostr << '-' << loc.end.line << '.' << end_col; + else if (loc.begin.column < end_col) + ostr << '-' << end_col; + return ostr; + } + +#line 14 "agent_parser.yy" +} } // isc::agent +#line 305 "location.hh" + +#endif // !YY_AGENT_LOCATION_HH_INCLUDED |