lcov_summary/
parsers.rs

1use nom::bytes::complete::{tag, take_until1};
2use nom::IResult;
3
4pub fn source_file_path(input: &str) -> IResult<&str, &str> {
5    let (file_path, _) = tag("SF:")(input)?;
6    Ok(("", file_path))
7}
8
9pub fn function_name(input: &str) -> IResult<&str, (usize, &str)> {
10    let (input, _) = tag("FN:")(input)?;
11    let (input, line_number) = take_until1(",")(input)?;
12    let (name, _) = tag(",")(input)?;
13
14    Ok(("", (line_number.parse::<usize>().unwrap(), name)))
15}
16
17pub fn function_hit_count(input: &str) -> IResult<&str, (usize, &str)> {
18    let (input, _) = tag("FNDA:")(input)?;
19    let (input, line_number) = take_until1(",")(input)?;
20    let (name, _) = tag(",")(input)?;
21
22    Ok(("", (line_number.parse::<usize>().unwrap(), name)))
23}
24
25fn tag_number<'i>(input: &'i str, t: &'_ str) -> IResult<&'i str, usize> {
26    let (found, _) = tag(t)(input)?;
27    Ok(("", found.parse::<usize>().unwrap()))
28}
29
30pub fn functions_found(input: &str) -> IResult<&str, usize> {
31    tag_number(input, "FNF:")
32}
33
34pub fn functions_hit(input: &str) -> IResult<&str, usize> {
35    tag_number(input, "FNH:")
36}
37
38//pub fn line_number_hit_count(input: &str) -> IResult<&str, (usize, usize)> {
39//let (input, _) = tag("DA:")(input)?;
40//let (input, line_number) = take_until1(",")(input)?;
41//let (hit_count, _) = tag(",")(input)?;
42
43//Ok((
44//"",
45//(
46//line_number.parse::<usize>().unwrap(),
47//hit_count.parse::<usize>().unwrap(),
48//),
49//))
50//}
51
52pub fn lines_found(input: &str) -> IResult<&str, usize> {
53    tag_number(input, "LF:")
54}
55
56pub fn lines_hit(input: &str) -> IResult<&str, usize> {
57    tag_number(input, "LH:")
58}
59
60pub fn branches_found(input: &str) -> IResult<&str, usize> {
61    tag_number(input, "BRF:")
62}
63
64pub fn branches_hit(input: &str) -> IResult<&str, usize> {
65    tag_number(input, "BRH:")
66}
67
68#[cfg(test)]
69mod tests {
70    use super::*;
71
72    #[test]
73    fn test_source_file_path() {
74        let input = "SF:/home/thvdveld/source/vub/smoltcp/src/iface/fragmentation.rs";
75
76        let (_, file_name) = source_file_path(input).unwrap();
77
78        assert_eq!(
79            file_name,
80            "/home/thvdveld/source/vub/smoltcp/src/iface/fragmentation.rs"
81        );
82    }
83
84    #[test]
85    fn test_function_name() {
86        let input = "FN:110,_RINvMs2_NtNtCshpVWEOJQZRA_7smoltcp5iface13fragmentationINtB6_15PacketAssemblerpE8add_withpEBa_";
87
88        let (_, (line_number, name)) = function_name(input).unwrap();
89
90        assert_eq!(line_number, 110);
91        assert_eq!(
92            name,
93            "_RINvMs2_NtNtCshpVWEOJQZRA_7smoltcp5iface13fragmentationINtB6_15PacketAssemblerpE8add_withpEBa_"
94        );
95    }
96
97    #[test]
98    fn test_function_hit_count() {
99        let input = "FNDA:0,_RINvMs2_NtNtCshpVWEOJQZRA_7smoltcp5iface13fragmentationINtB6_15PacketAssemblerpE8add_withpEBa_";
100
101        let (_, (hits, name)) = function_hit_count(input).unwrap();
102
103        assert_eq!(hits, 0);
104        assert_eq!(
105            name,
106            "_RINvMs2_NtNtCshpVWEOJQZRA_7smoltcp5iface13fragmentationINtB6_15PacketAssemblerpE8add_withpEBa_"
107        );
108    }
109
110    #[test]
111    fn test_functions_found() {
112        let input = "FNF:38";
113        let (_, found) = functions_found(input).unwrap();
114        assert_eq!(found, 38);
115    }
116
117    #[test]
118    fn test_functions_hit() {
119        let input = "FNH:23";
120        let (_, found) = functions_hit(input).unwrap();
121        assert_eq!(found, 23);
122    }
123
124    #[test]
125    fn test_line_number_hit_count() {
126        let input = "DA:17,0";
127        let (_, (line, hit)) = line_number_hit_count(input).unwrap();
128        assert_eq!(line, 17);
129        assert_eq!(hit, 0);
130    }
131
132    #[test]
133    fn test_branches_found() {
134        let input = "BRF:0";
135        let (_, branches) = branches_found(input).unwrap();
136        assert_eq!(branches, 0);
137    }
138
139    #[test]
140    fn test_branches_hit() {
141        let input = "BRH:0";
142        let (_, branches) = branches_hit(input).unwrap();
143        assert_eq!(branches, 0);
144    }
145}
lcov_summary/parsers.rs

lcov_summary/
parsers.rs
