| /*============================================================================= |
| Copyright (c) 2001-2010 Joel de Guzman |
| 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/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/support_argument.hpp> |
| #include <boost/spirit/include/phoenix_core.hpp> |
| #include <boost/spirit/include/phoenix_operator.hpp> |
| #include <boost/variant.hpp> |
| |
| #include <string> |
| #include <iostream> |
| #include <vector> |
| #include "test.hpp" |
| |
| struct test_action |
| { |
| test_action(char last) |
| : last_(last) {} |
| |
| void operator()(std::vector<char> const& v |
| , boost::spirit::unused_type |
| , boost::spirit::unused_type) 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; |
| |
| void operator()(result_type const& v |
| , boost::spirit::unused_type |
| , boost::spirit::unused_type) const |
| { |
| using boost::get; |
| |
| BOOST_TEST(v.size() == 5 && |
| v[1] == 'a' && |
| v[2] == 'b' && |
| v[3] == '1' && |
| v[4] == '2'); |
| } |
| }; |
| |
| 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(boost::get<int>(&v) == 0); |
| BOOST_TEST(boost::get<char>(&v) == 0); |
| |
| BOOST_TEST((test_attr("x", lit("rock") | int_ | char_, v))); |
| BOOST_TEST(boost::get<char>(v) == 'x'); |
| } |
| |
| { // 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])) ); |
| assert(v[0] == 'x'); |
| assert(!v[1]); |
| assert(v[2] == 'y'); |
| assert(!v[3]); |
| 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"); |
| } |
| |
| return boost::report_errors(); |
| } |
| |