summaryrefslogtreecommitdiff
path: root/support/texlab/crates/definition/src/command.rs
blob: d618ca9ddfa7e1aac504d0c921c64b1c0b294a7c (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
use base_db::DocumentData;
use rowan::ast::AstNode;
use syntax::latex;

use crate::DefinitionContext;

use super::DefinitionResult;

pub(super) fn goto_definition(context: &mut DefinitionContext) -> Option<()> {
    let feature = &context.params.feature;
    let data = feature.document.data.as_tex()?;
    let root = data.root_node();
    let name = root
        .token_at_offset(context.params.offset)
        .find(|token| token.kind() == latex::COMMAND_NAME)?;

    let origin_selection_range = name.text_range();

    for document in &feature.project.documents {
        let DocumentData::Tex(data) = &document.data else {
            continue;
        };

        let results = data
            .root_node()
            .descendants()
            .filter_map(latex::CommandDefinition::cast)
            .filter(|def| {
                def.name()
                    .and_then(|name| name.command())
                    .map_or(false, |node| node.text() == name.text())
            })
            .filter_map(|def| {
                Some(DefinitionResult {
                    origin_selection_range,
                    target: document,
                    target_range: latex::small_range(&def),
                    target_selection_range: def.name()?.command()?.text_range(),
                })
            });

        context.results.extend(results);
    }

    Some(())
}