valkyrie_errors/duplicates/
mod.rs

1use std::fmt::{Debug, Display, Formatter};
2
3use ariadne::{Color, Report, ReportKind};
4
5use crate::{errors::ValkyrieReport, FileSpan, ValkyrieError, ValkyrieErrorKind};
6
7mod kind;
8
9#[derive(Copy, Clone)]
10pub enum DuplicateKind {
11    Type = 1002,
12    Function = 1003,
13    Variable = 1004,
14}
15
16#[derive(Clone, Debug)]
17pub struct DuplicateError {
18    kind: DuplicateKind,
19    name: String,
20    this_item: FileSpan,
21    last_item: FileSpan,
22}
23
24impl Display for DuplicateError {
25    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
26        write!(f, "Duplicate {} `{}`", self.kind, self.name)
27    }
28}
29
30impl DuplicateError {
31    pub fn as_report(&self, level: ReportKind) -> ValkyrieReport {
32        let mut report = Report::build(level, self.this_item.file, 0).with_code(self.kind as u32);
33        report.set_message(self.to_string());
34        report.add_label(
35            self.this_item.as_label(format!("{:?} `{}` is defined here.", self.kind, self.name)).with_color(Color::Blue),
36        );
37        report.add_label(
38            self.last_item
39                .as_label(format!("But {} `{}` has been defined here.", self.kind, self.name))
40                .with_color(Color::Cyan),
41        );
42        report.set_help(format!("Items must have unique names, rename one of the items to have a unique name"));
43        report.finish()
44    }
45}
46
47impl ValkyrieError {
48    pub fn duplicate_type(name: String, this: FileSpan, last: FileSpan) -> Self {
49        let this = DuplicateError { kind: DuplicateKind::Type, name, this_item: this, last_item: last };
50        Self { kind: ValkyrieErrorKind::Duplicate(Box::new(this)), level: ReportKind::Error }
51    }
52    pub fn duplicate_function(name: String, this: FileSpan, last: FileSpan) -> Self {
53        let this = DuplicateError { kind: DuplicateKind::Function, name, this_item: this, last_item: last };
54        Self { kind: ValkyrieErrorKind::Duplicate(Box::new(this)), level: ReportKind::Error }
55    }
56    pub fn duplicate_variable(name: String, this: FileSpan, last: FileSpan) -> Self {
57        let this = DuplicateError { kind: DuplicateKind::Variable, name, this_item: this, last_item: last };
58        Self { kind: ValkyrieErrorKind::Duplicate(Box::new(this)), level: ReportKind::Error }
59    }
60}
valkyrie_errors/duplicates/mod.rs

valkyrie_errors/duplicates/
mod.rs
