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/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2001-2011 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/detail/lightweight_test.hpp>
#include <boost/mpl/print.hpp>
#include <boost/spirit/include/qi_operator.hpp>
#include <boost/spirit/include/qi_char.hpp>
#include <boost/spirit/include/qi_string.hpp>
#include <boost/spirit/include/qi_numeric.hpp>
#include <boost/spirit/include/qi_directive.hpp>
#include <boost/spirit/include/qi_action.hpp>
#include <boost/spirit/include/qi_nonterminal.hpp>
#include <boost/spirit/include/qi_auxiliary.hpp>
#include <boost/spirit/include/qi_rule.hpp>
#include <boost/spirit/include/support_argument.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <boost/fusion/include/adapt_struct.hpp>
#include <boost/variant.hpp>
#include <boost/assert.hpp>
#include <string>
#include <iostream>
#include <vector>
#include "test.hpp"
struct test_action
{
test_action(char last)
: last_(last) {}
template<typename Context>
void operator()(std::vector<char> const& v, Context const&, bool&) const
{
BOOST_TEST(v.size() == 4 &&
v[0] == 'a' && v[1] == 'b' && v[2] == '1' && v[3] == last_);
}
char last_;
};
struct test_action_2
{
typedef std::vector<boost::optional<char> > result_type;
template<typename Context>
void operator()(result_type const& v, Context const&, bool&) const
{
BOOST_TEST(v.size() == 5 &&
!v[0] && v[1] == 'a' && v[2] == 'b' && v[3] == '1' && v[4] == '2');
}
};
struct DIgnore
{
std::string text;
};
struct DInclude
{
std::string FileName;
};
BOOST_FUSION_ADAPT_STRUCT(
DIgnore,
(std::string, text)
)
BOOST_FUSION_ADAPT_STRUCT(
DInclude,
(std::string, FileName)
)
int
main()
{
using spirit_test::test;
using spirit_test::test_attr;
using boost::spirit::ascii::char_;
using boost::spirit::qi::int_;
using boost::spirit::qi::lit;
using boost::spirit::qi::unused_type;
using boost::spirit::qi::_1;
using boost::spirit::qi::omit;
{
BOOST_TEST((test("a", char_ | char_)));
BOOST_TEST((test("x", lit('x') | lit('i'))));
BOOST_TEST((test("i", lit('x') | lit('i'))));
BOOST_TEST((!test("z", lit('x') | lit('o'))));
BOOST_TEST((test("rock", lit("rock") | lit("roll"))));
BOOST_TEST((test("roll", lit("rock") | lit("roll"))));
BOOST_TEST((test("rock", lit("rock") | int_)));
BOOST_TEST((test("12345", lit("rock") | int_)));
}
{
boost::variant<unused_type, int, char> v;
BOOST_TEST((test_attr("12345", lit("rock") | int_ | char_, v)));
BOOST_TEST(boost::get<int>(v) == 12345);
BOOST_TEST((test_attr("rock", lit("rock") | int_ | char_, v)));
BOOST_TEST(v.which() == 1);
BOOST_TEST((test_attr("x", lit("rock") | int_ | char_, v)));
BOOST_TEST(boost::get<char>(v) == 'x');
}
{ // Make sure that we are using the actual supplied attribute types
// from the variant and not the expected type.
// $$$ Fixed: <2/19/2011> JDG $$$
boost::variant<int, std::string> v;
BOOST_TEST((test_attr("12345", int_ | +char_, v)));
BOOST_TEST(boost::get<int>(v) == 12345);
BOOST_TEST((test_attr("abc", int_ | +char_, v)));
BOOST_TEST(boost::get<std::string>(v) == "abc");
BOOST_TEST((test_attr("12345", +char_ | int_, v)));
BOOST_TEST(boost::get<std::string>(v) == "12345");
}
{ // test action
namespace phx = boost::phoenix;
boost::optional<boost::variant<int, char> > v;
BOOST_TEST((test("12345", (lit("rock") | int_ | char_)[phx::ref(v) = _1])));
BOOST_TEST(boost::get<int>(boost::get(v)) == 12345);
BOOST_TEST((test("rock", (lit("rock") | int_ | char_)[phx::ref(v) = _1])));
BOOST_TEST(!v);
}
{
unused_type x;
BOOST_TEST((test_attr("rock", lit("rock") | lit('x'), x)));
}
{
// test if alternatives with all components having unused
// attributes have an unused attribute
using boost::fusion::vector;
using boost::fusion::at_c;
vector<char, char> v;
BOOST_TEST((test_attr("abc",
char_ >> (omit[char_] | omit[char_]) >> char_, v)));
BOOST_TEST((at_c<0>(v) == 'a'));
BOOST_TEST((at_c<1>(v) == 'c'));
}
{
// Test that we can still pass a "compatible" attribute to
// an alternate even if its "expected" attribute is unused type.
std::string s;
BOOST_TEST((test_attr("...", *(char_('.') | char_(',')), s)));
BOOST_TEST(s == "...");
}
{ // make sure collapsing eps works as expected
// (compile check only)
using boost::spirit::qi::rule;
using boost::spirit::qi::_val;
using boost::spirit::qi::_1;
using boost::spirit::eps;
rule<const wchar_t*, wchar_t()> r1, r2, r3;
r3 = ((eps >> r1))[_val += _1];
r3 = ((r1 ) | r2)[_val += _1];
r3 %= ((eps >> r1) | r2);
r3 = ((eps >> r1) | r2)[_val += _1];
}
// make sure the attribute of an alternative gets properly collapsed
{
using boost::spirit::qi::lexeme;
using boost::spirit::ascii::alnum;
using boost::spirit::ascii::alpha;
using boost::spirit::ascii::digit;
using boost::spirit::ascii::string;
namespace phx = boost::phoenix;
BOOST_TEST( (test("ab1_", (*(alnum | char_('_')))[test_action('_')])) );
BOOST_TEST( (test("ab12", (*(alpha | digit))[test_action('2')])) );
BOOST_TEST( (test("abcab12", (*("abc" | alnum))[test_action_2()])) );
std::vector<boost::optional<char> > v;
BOOST_TEST( (test("x,y,z", (*(',' | char_))[phx::ref(v) = _1])) );
BOOST_ASSERT(v[0] == 'x');
BOOST_ASSERT(!v[1]);
BOOST_ASSERT(v[2] == 'y');
BOOST_ASSERT(!v[3]);
BOOST_ASSERT(v[4] == 'z');
}
{
using boost::spirit::qi::eps;
// testing a sequence taking a container as attribute
std::string s;
BOOST_TEST( (test_attr("abc,a,b,c",
char_ >> char_ >> (char_ % ','), s )) );
BOOST_TEST(s == "abcabc");
// test having an optional<container> inside a sequence
s.erase();
BOOST_TEST( (test_attr("ab",
char_ >> char_ >> -(char_ % ','), s )) );
BOOST_TEST(s == "ab");
// test having a variant<container, ...> inside a sequence
s.erase();
BOOST_TEST( (test_attr("ab",
char_ >> char_ >> ((char_ % ',') | eps), s )) );
BOOST_TEST(s == "ab");
s.erase();
BOOST_TEST( (test_attr("abc",
char_ >> char_ >> ((char_ % ',') | eps), s )) );
BOOST_TEST(s == "abc");
}
{
using boost::spirit::qi::int_;
int i = 0;
BOOST_TEST( (test_attr("10", int_(5) | int_(10), i)) );
BOOST_TEST(i == 10);
}
{
#ifdef SPIRIT_NO_COMPILE_CHECK
//compile test only (bug_march_10_2011_8_35_am)
// TODO: does not work as intended with std <= c++03
typedef boost::variant<double, std::string> value_type;
using boost::spirit::qi::rule;
using boost::spirit::qi::eps;
rule<std::string::const_iterator, value_type()> r1 = r1 | eps;
#endif
}
{
using boost::spirit::qi::rule;
typedef boost::variant<DIgnore, DInclude> DLine;
rule<char*, DIgnore()> ignore;
rule<char*, DInclude()> include;
rule<char*, DLine()> line = include | ignore;
}
return boost::report_errors();
}
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