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//! Generally, `search_scope` returns files that might contain references for the element.
//! For `pub(crate)` things it's a crate, for `pub` things it's a crate and dependant crates.
//! In some cases, the location of the references is known to within a `TextRange`,
//! e.g. for things like local variables.
use hir::{DefWithBody, HasSource, ModuleSource};
use ra_db::{FileId, SourceDatabase, SourceDatabaseExt};
use ra_syntax::{AstNode, TextRange};
use rustc_hash::FxHashSet;
use crate::db::RootDatabase;
use super::{NameDefinition, NameKind};
impl NameDefinition {
pub(crate) fn search_scope(&self, db: &RootDatabase) -> FxHashSet<(FileId, Option<TextRange>)> {
let module_src = self.container.definition_source(db);
let file_id = module_src.file_id.original_file(db);
if let NameKind::Pat((def, _)) = self.kind {
let mut res = FxHashSet::default();
let range = match def {
DefWithBody::Function(f) => f.source(db).ast.syntax().text_range(),
DefWithBody::Const(c) => c.source(db).ast.syntax().text_range(),
DefWithBody::Static(s) => s.source(db).ast.syntax().text_range(),
};
res.insert((file_id, Some(range)));
return res;
}
let vis =
self.visibility.as_ref().map(|v| v.syntax().to_string()).unwrap_or("".to_string());
if vis.as_str() == "pub(super)" {
if let Some(parent_module) = self.container.parent(db) {
let mut files = FxHashSet::default();
let parent_src = parent_module.definition_source(db);
let file_id = parent_src.file_id.original_file(db);
match parent_src.ast {
ModuleSource::Module(m) => {
let range = Some(m.syntax().text_range());
files.insert((file_id, range));
}
ModuleSource::SourceFile(_) => {
files.insert((file_id, None));
files.extend(parent_module.children(db).map(|m| {
let src = m.definition_source(db);
(src.file_id.original_file(db), None)
}));
}
}
return files;
}
}
if vis.as_str() != "" {
let source_root_id = db.file_source_root(file_id);
let source_root = db.source_root(source_root_id);
let mut files =
source_root.walk().map(|id| (id.into(), None)).collect::<FxHashSet<_>>();
// FIXME: add "pub(in path)"
if vis.as_str() == "pub(crate)" {
return files;
}
if vis.as_str() == "pub" {
let krate = self.container.krate(db).unwrap();
let crate_graph = db.crate_graph();
for crate_id in crate_graph.iter() {
let mut crate_deps = crate_graph.dependencies(crate_id);
if crate_deps.any(|dep| dep.crate_id() == krate.crate_id()) {
let root_file = crate_graph.crate_root(crate_id);
let source_root_id = db.file_source_root(root_file);
let source_root = db.source_root(source_root_id);
files.extend(source_root.walk().map(|id| (id.into(), None)));
}
}
return files;
}
}
let mut res = FxHashSet::default();
let range = match module_src.ast {
ModuleSource::Module(m) => Some(m.syntax().text_range()),
ModuleSource::SourceFile(_) => None,
};
res.insert((file_id, range));
res
}
}
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