blob: aae7ad2f394136065c8c06730e1041a1124a1384 (
plain)
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
|
#[macro_use]
extern crate neon;
extern crate libeditor;
use neon::prelude::*;
pub struct Wrapper {
inner: libeditor::File,
}
declare_types! {
/// A class for generating greeting strings.
pub class RustFile for Wrapper {
init(mut cx) {
let text = cx.argument::<JsString>(0)?.value();
Ok(Wrapper {
inner: libeditor::File::new(&text)
})
}
method syntaxTree(mut cx) {
let this = cx.this();
let tree = {
let guard = cx.lock();
let wrapper = this.borrow(&guard);
wrapper.inner.syntax_tree()
};
Ok(cx.string(tree.as_str()).upcast())
}
method highlight(mut cx) {
let this = cx.this();
let highlights = {
let guard = cx.lock();
let wrapper = this.borrow(&guard);
wrapper.inner.highlight()
};
let res = cx.empty_array();
for (i, hl) in highlights.into_iter().enumerate() {
let start: u32 = hl.range.start().into();
let end: u32 = hl.range.end().into();
let start = cx.number(start);
let end = cx.number(end);
let tag = cx.string(hl.tag);
let hl = cx.empty_array();
hl.set(&mut cx, 0, start)?;
hl.set(&mut cx, 1, end)?;
hl.set(&mut cx, 2, tag)?;
res.set(&mut cx, i as u32, hl)?;
}
Ok(res.upcast())
}
}
}
register_module!(mut cx, {
cx.export_class::<RustFile>("RustFile")
});
|
