runtime/cache/
map.rs

1/*
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
5 */
6
7use std::cell::RefCell;
8use std::collections::HashMap;
9use std::collections::hash_map::Entry;
10use std::path::{Path, PathBuf};
11
12use ion::utils::normalise_path;
13use ion::{Error, ErrorReport, Exception};
14use swc_sourcemap::SourceMap;
15
16thread_local!(static SOURCEMAP_CACHE: RefCell<HashMap<PathBuf, SourceMap>> = RefCell::new(HashMap::new()));
17
18pub fn find_sourcemap<P: AsRef<Path>>(path: P) -> Option<SourceMap> {
19	SOURCEMAP_CACHE.with_borrow_mut(|cache| {
20		let path = path.as_ref().to_path_buf();
21		match cache.entry(path) {
22			Entry::Occupied(o) => Some(o.get().clone()),
23			Entry::Vacant(_) => None,
24		}
25	})
26}
27
28pub fn save_sourcemap<P: AsRef<Path>>(path: P, sourcemap: SourceMap) -> bool {
29	SOURCEMAP_CACHE.with_borrow_mut(|cache| {
30		let path = normalise_path(path);
31		match cache.entry(path) {
32			Entry::Vacant(v) => {
33				v.insert(sourcemap);
34				true
35			}
36			Entry::Occupied(_) => false,
37		}
38	})
39}
40
41pub fn transform_error_report_with_sourcemaps(report: &mut ErrorReport) {
42	if let Exception::Error(Error { location: Some(location), .. }) = &mut report.exception
43		&& let Some(sourcemap) = find_sourcemap(&location.file)
44	{
45		report.exception.transform_with_sourcemap(&sourcemap);
46	}
47	if let Some(stack) = &mut report.stack {
48		for record in &mut stack.records {
49			if let Some(sourcemap) = find_sourcemap(&record.location.file) {
50				record.transform_with_sourcemap(&sourcemap);
51			}
52		}
53	}
54}
runtime/cache/map.rs

runtime/cache/
map.rs
