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use base_db::deps;
use rowan::TextRange;
use crate::DefinitionContext;
use super::DefinitionResult;
pub(super) fn goto_definition(context: &mut DefinitionContext) -> Option<()> {
let feature = &context.params.feature;
let start = feature.document;
let parents = deps::parents(feature.workspace, start);
let results = parents
.into_iter()
.chain(std::iter::once(start))
.flat_map(|parent| &feature.workspace.graphs()[&parent.uri].edges)
.filter(|edge| edge.source == start.uri)
.flat_map(|edge| {
let deps::EdgeData::DirectLink(data) = &edge.data else {
return None;
};
let origin_selection_range = data.link.path.range;
if origin_selection_range.contains_inclusive(context.params.offset) {
Some(DefinitionResult {
origin_selection_range,
target: feature.workspace.lookup(&edge.target).unwrap(),
target_range: TextRange::default(),
target_selection_range: TextRange::default(),
})
} else {
None
}
});
context.results.extend(results);
Some(())
}
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