spirit/test/karma/pattern1.cpp
2018-10-01 02:16:04 +03:00

113 lines
3.8 KiB
C++

// Copyright (c) 2001-2010 Hartmut Kaiser
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/config/warning_disable.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/spirit/include/karma_operator.hpp>
#include <boost/spirit/include/karma_char.hpp>
#include <boost/spirit/include/karma_auxiliary.hpp>
#include <boost/spirit/include/karma_string.hpp>
#include <boost/spirit/include/karma_numeric.hpp>
#include <boost/spirit/include/karma_nonterminal.hpp>
#include <boost/spirit/include/karma_action.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <boost/spirit/include/phoenix_fusion.hpp>
#include "test.hpp"
using namespace spirit_test;
///////////////////////////////////////////////////////////////////////////////
int main()
{
using namespace boost;
using namespace boost::spirit;
using namespace boost::spirit::ascii;
typedef spirit_test::output_iterator<char>::type outiter_type;
// test rule parameter propagation
{
using boost::phoenix::at_c;
karma::rule<outiter_type, fusion::vector<char, int, double>()> start;
fusion::vector<char, int, double> vec('a', 10, 12.4);
start %= char_ << int_ << double_;
BOOST_TEST(test("a1012.4", start, vec));
karma::rule<outiter_type, char()> a;
karma::rule<outiter_type, int()> b;
karma::rule<outiter_type, double()> c;
a %= char_ << eps;
b %= int_;
c %= double_;
start = a[_1 = at_c<0>(_r0)] << b[_1 = at_c<1>(_r0)] << c[_1 = at_c<2>(_r0)];
BOOST_TEST(test("a1012.4", start, vec));
start = (a << b << c)[_1 = at_c<0>(_r0), _2 = at_c<1>(_r0), _3 = at_c<2>(_r0)];
BOOST_TEST(test("a1012.4", start, vec));
start = a << b << c;
BOOST_TEST(test("a1012.4", start, vec));
start %= a << b << c;
BOOST_TEST(test("a1012.4", start, vec));
}
{
using boost::phoenix::at_c;
karma::rule<outiter_type, space_type, fusion::vector<char, int, double>()> start;
fusion::vector<char, int, double> vec('a', 10, 12.4);
start %= char_ << int_ << double_;
BOOST_TEST(test_delimited("a 10 12.4 ", start, vec, space));
karma::rule<outiter_type, space_type, char()> a;
karma::rule<outiter_type, space_type, int()> b;
karma::rule<outiter_type, space_type, double()> c;
a %= char_ << eps;
b %= int_;
c %= double_;
start = a[_1 = at_c<0>(_r0)] << b[_1 = at_c<1>(_r0)] << c[_1 = at_c<2>(_r0)];
BOOST_TEST(test_delimited("a 10 12.4 ", start, vec, space));
start = (a << b << c)[_1 = at_c<0>(_r0), _2 = at_c<1>(_r0), _3 = at_c<2>(_r0)];
BOOST_TEST(test_delimited("a 10 12.4 ", start, vec, space));
start = a << b << c;
BOOST_TEST(test_delimited("a 10 12.4 ", start, vec, space));
start %= a << b << c;
BOOST_TEST(test_delimited("a 10 12.4 ", start, vec, space));
}
// test direct initalization
{
using boost::phoenix::at_c;
fusion::vector<char, int, double> vec('a', 10, 12.4);
karma::rule<outiter_type, space_type, fusion::vector<char, int, double>()>
start = char_ << int_ << double_;;
BOOST_TEST(test_delimited("a 10 12.4 ", start, vec, space));
karma::rule<outiter_type, space_type, char()> a = char_ << eps;
karma::rule<outiter_type, space_type, int()> b = int_;
karma::rule<outiter_type, space_type, double()> c = double_;
start = a[_1 = at_c<0>(_r0)] << b[_1 = at_c<1>(_r0)] << c[_1 = at_c<2>(_r0)];
BOOST_TEST(test_delimited("a 10 12.4 ", start, vec, space));
}
return boost::report_errors();
}