tagua_parser/rules/
skip.rs

1// Tagua VM
2//
3//
4// New BSD License
5//
6// Copyright © 2016-2016, Ivan Enderlin.
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31
32//! The skip rule.
33//!
34//! The skip rule is a special rule representing all the tokens that are not
35//! required. For instance, whitespaces and comments can most of the time be
36//! skipped.
37
38use super::comments::comment;
39use super::whitespaces::whitespace;
40
41named!(
42    pub skip< Vec<&[u8]> >,
43    many0!(
44        alt!(
45            comment
46          | whitespace
47        )
48    )
49);
50
51
52#[cfg(test)]
53mod tests {
54    use super::skip;
55    use super::super::super::internal::Result;
56
57    #[test]
58    fn case_skip_comment() {
59        assert_eq!(skip(b"/* foo */hello"), Result::Done(&b"hello"[..], vec![&b" foo "[..]]));
60    }
61
62    #[test]
63    fn case_skip_whitespace() {
64        assert_eq!(skip(b"  \nhello"), Result::Done(&b"hello"[..], vec![&b"  \n"[..]]));
65    }
66
67    #[test]
68    fn case_skip_comment_whitespace() {
69        assert_eq!(skip(b"/* foo */  \nhello"), Result::Done(&b"hello"[..], vec![&b" foo "[..], &b"  \n"[..]]));
70    }
71}
tagua_parser/rules/skip.rs

tagua_parser/rules/
skip.rs
