panache_parser/syntax/
json.rs

1use serde_json::{Value, json};
2
3use super::{SyntaxElement, SyntaxNode, SyntaxToken};
4
5fn range_to_json(range: rowan::TextRange) -> Value {
6    json!({
7        "start": u32::from(range.start()),
8        "end": u32::from(range.end())
9    })
10}
11
12fn token_to_json(token: SyntaxToken) -> Value {
13    json!({
14        "kind": format!("{:?}", token.kind()),
15        "range": range_to_json(token.text_range()),
16        "text": token.text(),
17    })
18}
19
20fn element_to_json(element: SyntaxElement) -> Value {
21    match element {
22        rowan::NodeOrToken::Node(node) => cst_to_json(&node),
23        rowan::NodeOrToken::Token(token) => token_to_json(token),
24    }
25}
26
27pub fn cst_to_json(node: &SyntaxNode) -> Value {
28    let children: Vec<Value> = node.children_with_tokens().map(element_to_json).collect();
29
30    json!({
31        "kind": format!("{:?}", node.kind()),
32        "range": range_to_json(node.text_range()),
33        "children": children,
34    })
35}
panache_parser/syntax/json.rs

panache_parser/syntax/
json.rs
