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use rowan::ast::AstNode;
use syntax::bibtex;
use crate::DefinitionContext;
use super::DefinitionResult;
pub(super) fn goto_definition<'db>(context: &mut DefinitionContext<'db>) -> Option<()> {
let data = context.params.document.data.as_bib()?;
let root = data.root_node();
let name = root
.token_at_offset(context.params.offset)
.filter(|token| token.kind() == bibtex::NAME)
.find(|token| {
let parent = token.parent().unwrap();
bibtex::Value::can_cast(parent.kind()) || bibtex::StringDef::can_cast(parent.kind())
})?;
let origin_selection_range = name.text_range();
let strings = &data.semantics.strings;
for string in strings
.iter()
.filter(|string| string.name.text == name.text())
{
context.results.push(DefinitionResult {
origin_selection_range,
target: context.params.document,
target_range: string.full_range,
target_selection_range: string.name.range,
});
}
Some(())
}
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