datex_core/ast/
src_id.rs

1use core::fmt;
2use internment::Intern;
3
4#[derive(Copy, Clone, PartialEq, Eq, Hash)]
5pub struct SrcId(Intern<Vec<String>>);
6
7impl fmt::Display for SrcId {
8    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
9        if self.0.is_empty() {
10            core::write!(f, "?")
11        } else {
12            core::write!(f, "{}", self.0.clone().join("/"))
13        }
14    }
15}
16
17impl fmt::Debug for SrcId {
18    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
19        core::write!(f, "{}", self)
20    }
21}
22
23impl SrcId {
24    #[cfg(test)]
25    pub fn empty() -> Self {
26        SrcId(Intern::new(Vec::new()))
27    }
28
29    pub fn repl() -> Self {
30        SrcId(Intern::new(vec!["repl".to_string()]))
31    }
32    pub fn test() -> Self {
33        SrcId(Intern::new(vec!["test".to_string()]))
34    }
35
36    #[cfg(feature = "std")]
37    pub fn from_path<P: AsRef<std::path::Path>>(path: P) -> Self {
38        SrcId(Intern::new(
39            path.as_ref()
40                .iter()
41                .map(|c| c.to_string_lossy().into_owned())
42                .collect(),
43        ))
44    }
45
46    #[cfg(feature = "std")]
47    pub fn to_path(&self) -> std::path::PathBuf {
48        self.0.iter().map(|e| e.to_string()).collect()
49    }
50}
51impl Default for SrcId {
52    fn default() -> Self {
53        SrcId(Intern::new(vec!["<unknown>".to_string()]))
54    }
55}
56impl From<&str> for SrcId {
57    fn from(s: &str) -> Self {
58        SrcId(Intern::new(vec![s.to_string()]))
59    }
60}
61impl From<String> for SrcId {
62    fn from(s: String) -> Self {
63        SrcId(Intern::new(vec![s]))
64    }
65}
66
67#[cfg(feature = "std")]
68impl From<std::path::PathBuf> for SrcId {
69    fn from(s: std::path::PathBuf) -> Self {
70        SrcId::from_path(s)
71    }
72}
datex_core/ast/src_id.rs

datex_core/ast/
src_id.rs
