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use rowan::TextRange;
use crate::DefinitionContext;
use super::DefinitionResult;
pub(super) fn goto_definition(context: &mut DefinitionContext) -> Option<()> {
let start = context.params.document;
let parents = context.params.workspace.parents(start);
let results = parents
.into_iter()
.chain(std::iter::once(start))
.flat_map(|parent| base_db::graph::Graph::new(context.params.workspace, parent).edges)
.filter(|edge| edge.source == start)
.flat_map(|edge| {
let origin_selection_range = edge.weight?.link.path.range;
if origin_selection_range.contains_inclusive(context.params.offset) {
Some(DefinitionResult {
origin_selection_range,
target: edge.target,
target_range: TextRange::default(),
target_selection_range: TextRange::default(),
})
} else {
None
}
});
context.results.extend(results);
Some(())
}
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