1 | // Copyright (c) 2001-2011 Hartmut Kaiser |
2 | // |
3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
5 | |
6 | #include <boost/spirit/include/lex_lexertl.hpp> |
7 | |
8 | #include <boost/spirit/include/lex_lexertl_position_token.hpp> |
9 | #include "test.hpp" |
10 | |
11 | /////////////////////////////////////////////////////////////////////////////// |
12 | int main() |
13 | { |
14 | using namespace boost::spirit; |
15 | using namespace spirit_test; |
16 | |
17 | // the following test aims at the low level lexer and token_def objects, |
18 | // normally not visible to/directly used by the user |
19 | |
20 | // initialize tokens |
21 | typedef lex::token_def<std::string> token_def; |
22 | |
23 | std::size_t const = 1; |
24 | std::size_t const = 2; |
25 | token_def ("\\/\\*[^*]*\\*+([^/*][^*]*\\*+)*\\/" , CCOMMENT); |
26 | token_def ("\\/\\/[^\\n\\r]*(\\n|\\r|\\r\\n)" , CPPCOMMENT); |
27 | |
28 | typedef std::string::iterator base_iterator_type; |
29 | |
30 | // test with default token type |
31 | typedef lex::lexertl::token<base_iterator_type> token_type; |
32 | typedef lex::lexertl::lexer<token_type> lexer_type; |
33 | typedef lex::lexer<lexer_type> lexer_def; |
34 | |
35 | { |
36 | // initialize lexer |
37 | lexer_def lex; |
38 | lex.self = c_comment; |
39 | lex.self += cpp_comment; |
40 | |
41 | // test lexer for two different input strings |
42 | BOOST_TEST(test (lex, "/* this is a comment */" , CCOMMENT)); |
43 | BOOST_TEST(test (lex, "// this is a comment as well\n" , CPPCOMMENT)); |
44 | } |
45 | |
46 | { |
47 | // initialize lexer |
48 | lexer_def lex; |
49 | lex.self = c_comment | cpp_comment; |
50 | |
51 | // test lexer for two different input strings |
52 | BOOST_TEST(test (lex, "/* this is a comment */" , CCOMMENT)); |
53 | BOOST_TEST(test (lex, "// this is a comment as well\n" , CPPCOMMENT)); |
54 | } |
55 | |
56 | { |
57 | // initialize lexer |
58 | lexer_def lex; |
59 | lex.self = token_def('+') | '-' | c_comment; |
60 | lex.self += lex::char_('*') | '/' | cpp_comment; |
61 | |
62 | // test lexer for two different input strings |
63 | BOOST_TEST(test (lex, "/* this is a comment */" , CCOMMENT)); |
64 | BOOST_TEST(test (lex, "// this is a comment as well\n" , CPPCOMMENT)); |
65 | BOOST_TEST(test (lex, "+" , '+')); |
66 | BOOST_TEST(test (lex, "-" , '-')); |
67 | BOOST_TEST(test (lex, "*" , '*')); |
68 | BOOST_TEST(test (lex, "/" , '/')); |
69 | } |
70 | |
71 | // test with position_token |
72 | typedef lex::lexertl::position_token<base_iterator_type> position_token_type; |
73 | typedef lex::lexertl::lexer<position_token_type> position_lexer_type; |
74 | typedef lex::lexer<position_lexer_type> position_lexer_def; |
75 | |
76 | { |
77 | // initialize lexer |
78 | position_lexer_def lex; |
79 | lex.self = c_comment; |
80 | lex.self += cpp_comment; |
81 | |
82 | // test lexer for two different input strings |
83 | BOOST_TEST(test (lex, "/* this is a comment */" , CCOMMENT)); |
84 | BOOST_TEST(test (lex, "// this is a comment as well\n" , CPPCOMMENT)); |
85 | } |
86 | |
87 | { |
88 | // initialize lexer |
89 | position_lexer_def lex; |
90 | lex.self = c_comment | cpp_comment; |
91 | |
92 | // test lexer for two different input strings |
93 | BOOST_TEST(test (lex, "/* this is a comment */" , CCOMMENT)); |
94 | BOOST_TEST(test (lex, "// this is a comment as well\n" , CPPCOMMENT)); |
95 | } |
96 | |
97 | { |
98 | // initialize lexer |
99 | position_lexer_def lex; |
100 | lex.self = token_def('+') | '-' | c_comment; |
101 | lex.self += lex::char_('*') | '/' | cpp_comment; |
102 | |
103 | // test lexer for two different input strings |
104 | BOOST_TEST(test (lex, "/* this is a comment */" , CCOMMENT)); |
105 | BOOST_TEST(test (lex, "// this is a comment as well\n" , CPPCOMMENT)); |
106 | BOOST_TEST(test (lex, "+" , '+')); |
107 | BOOST_TEST(test (lex, "-" , '-')); |
108 | BOOST_TEST(test (lex, "*" , '*')); |
109 | BOOST_TEST(test (lex, "/" , '/')); |
110 | } |
111 | |
112 | return boost::report_errors(); |
113 | } |
114 | |