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/*=============================================================================
Copyright (c) 2001-2015 Joel de Guzman
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/detail/lightweight_test.hpp>
#include <boost/spirit/home/x3.hpp>
#include <string>
#include <cstring>
#include <iostream>
#include "test.hpp"
int
main()
{
using spirit_test::test_attr;
using spirit_test::test;
using namespace boost::spirit::x3::ascii;
using boost::spirit::x3::rule;
using boost::spirit::x3::lit;
using boost::spirit::x3::int_;
using boost::spirit::x3::unused_type;
using boost::spirit::x3::phrase_parse;
using boost::spirit::x3::skip_flag;
using boost::spirit::x3::traits::has_attribute;
// check attribute advertising
static_assert( has_attribute<rule<class r, int>, /*Context=*/unused_type>::value, "");
static_assert(!has_attribute<rule<class r >, /*Context=*/unused_type>::value, "");
static_assert( has_attribute<decltype(rule<class r, int>{} = int_), /*Context=*/unused_type>::value, "");
static_assert(!has_attribute<decltype(rule<class r >{} = int_), /*Context=*/unused_type>::value, "");
{ // basic tests
auto a = lit('a');
auto b = lit('b');
auto c = lit('c');
rule<class r> r;
{
auto start =
r = *(a | b | c);
BOOST_TEST(test("abcabcacb", start));
}
{
auto start =
r = (a | b) >> (r | b);
BOOST_TEST(test("aaaabababaaabbb", start));
BOOST_TEST(test("aaaabababaaabba", start, false));
// ignore the skipper!
BOOST_TEST(test("aaaabababaaabba", start, space, false));
}
}
{ // basic tests w/ skipper
auto a = lit('a');
auto b = lit('b');
auto c = lit('c');
rule<class r> r;
{
auto start =
r = *(a | b | c);
BOOST_TEST(test(" a b c a b c a c b ", start, space));
}
{
auto start =
r = (a | b) >> (r | b);
BOOST_TEST(test(" a a a a b a b a b a a a b b b ", start, space));
BOOST_TEST(test(" a a a a b a b a b a a a b b a ", start, space, false));
}
}
{ // basic tests w/ skipper but no final post-skip
auto a = rule<class a>()
= lit('a');
auto b = rule<class b>()
= lit('b');
auto c = rule<class c>()
= lit('c');
{
auto start = rule<class start>() = *(a | b) >> c;
char const *s1 = " a b a a b b a c ... "
, *const e1 = s1 + std::strlen(s1);
BOOST_TEST(phrase_parse(s1, e1, start, space, skip_flag::dont_post_skip)
&& s1 == e1 - 5);
}
{
rule<class start> start;
auto p =
start = (a | b) >> (start | c);
{
char const *s1 = " a a a a b a b a b a a a b b b c "
, *const e1 = s1 + std::strlen(s1);
BOOST_TEST(phrase_parse(s1, e1, p, space, skip_flag::post_skip)
&& s1 == e1);
}
{
char const *s1 = " a a a a b a b a b a a a b b b c "
, *const e1 = s1 + std::strlen(s1);
BOOST_TEST(phrase_parse(s1, e1, p, space, skip_flag::dont_post_skip)
&& s1 == e1 - 1);
}
}
}
return boost::report_errors();
}
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