flowsurface-indicator-engine 0.9.0

Aggr-level live scripting engine for Flowsurface indicator sources
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63

use std::fmt::{Display, Formatter};
use std::path::PathBuf;

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct Span {
    pub start: usize,
    pub end: usize,
}

impl Span {
    pub const fn new(start: usize, end: usize) -> Self {
        Self { start, end }
    }
}

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Severity {
    Error,
    Warning,
}

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Diagnostic {
    pub severity: Severity,
    pub message: String,
    pub path: PathBuf,
    pub span: Span,
}

impl Diagnostic {
    pub fn error(path: impl Into<PathBuf>, span: Span, message: impl Into<String>) -> Self {
        Self {
            severity: Severity::Error,
            message: message.into(),
            path: path.into(),
            span,
        }
    }

    pub fn warning(path: impl Into<PathBuf>, span: Span, message: impl Into<String>) -> Self {
        Self {
            severity: Severity::Warning,
            message: message.into(),
            path: path.into(),
            span,
        }
    }
}

impl Display for Diagnostic {
    fn fmt(&self, formatter: &mut Formatter<'_>) -> std::fmt::Result {
        write!(
            formatter,
            "{}:{}..{}: {}",
            self.path.display(),
            self.span.start,
            self.span.end,
            self.message
        )
    }
}

impl std::error::Error for Diagnostic {}