e46e58f4cd
Not intrusive. Significantly speeds up tests on MSVC (for about 3 times). Finally solves exceeding build time limits on CI with MSVC compilers. Did not set up PCH for X3, it is fast as-is (tooks only about 2 minutes). Repository tests reuse PCH from Qi/Karma tests.
90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
// Copyright (c) 2001-2010 Hartmut Kaiser
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// Copyright (c) 2010 Mathias Gaunard
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// This test makes sure that the BOL state (begin of line) is properly reset
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// if a token matched at the beginning of a line is discarded using
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// lex::pass_fail.
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// Additionally this test makes sure the syntax 'self("state", "targetstate")'
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// works properly.
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#include <boost/config/warning_disable.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/spirit/include/support_multi_pass.hpp>
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#include <boost/spirit/include/classic_position_iterator.hpp>
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#include <boost/spirit/include/lex_lexertl.hpp>
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namespace spirit = boost::spirit;
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namespace lex = spirit::lex;
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typedef spirit::classic::position_iterator2<
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spirit::multi_pass<std::istreambuf_iterator<char> >
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> file_iterator;
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inline file_iterator
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make_file_iterator(std::istream& input, const std::string& filename)
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{
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return file_iterator(
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spirit::make_default_multi_pass(
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std::istreambuf_iterator<char>(input)),
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spirit::multi_pass<std::istreambuf_iterator<char> >(),
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filename);
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}
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typedef lex::lexertl::token<file_iterator> token_type;
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struct lexer
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: lex::lexer<lex::lexertl::actor_lexer<token_type> >
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{
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lexer() : word("^[a-zA-Z0-9]+$", 1)
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{
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self("INITIAL", "O") =
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word
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| lex::string("!.*$") [
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lex::_pass = lex::pass_flags::pass_ignore
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]
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| lex::token_def<>('\n', 2)
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;
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self("O", "INITIAL") =
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lex::string(".") [
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lex::_pass = lex::pass_flags::pass_fail
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]
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;
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}
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lex::token_def<> word;
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};
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typedef lexer::iterator_type token_iterator;
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int main()
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{
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std::stringstream ss;
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ss << "!foo\nbar\n!baz";
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file_iterator begin = make_file_iterator(ss, "SS");
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file_iterator end;
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lexer l;
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token_iterator begin2 = l.begin(begin, end);
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token_iterator end2 = l.end();
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std::size_t test_data[] = { 2, 1, 2 };
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std::size_t const test_data_size = sizeof(test_data)/sizeof(test_data[0]);
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token_iterator it = begin2;
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std::size_t i = 0;
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for (/**/; it != end2 && i < test_data_size; ++it, ++i)
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{
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BOOST_TEST(it->id() == test_data[i]);
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}
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BOOST_TEST(it == end2);
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BOOST_TEST(i == test_data_size);
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return boost::report_errors();
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}
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