rust/src/rustdoc/path_pass.rs
2012-02-17 16:00:39 -08:00

52 lines
1.3 KiB
Rust

#[doc = "Records the full path to items"];
export mk_pass;
fn mk_pass() -> pass { run }
type ctxt = {
srv: astsrv::srv,
mutable path: [str]
};
fn run(srv: astsrv::srv, doc: doc::cratedoc) -> doc::cratedoc {
let ctxt = {
srv: srv,
mutable path: []
};
let fold = fold::fold({
fold_mod: fn~(
f: fold::fold<ctxt>,
d: doc::moddoc
) -> doc::moddoc {
fold_mod(f, d)
}
with *fold::default_seq_fold(ctxt)
});
fold.fold_crate(fold, doc)
}
fn fold_mod(fold: fold::fold<ctxt>, doc: doc::moddoc) -> doc::moddoc {
let is_topmod = doc.id() == rustc::syntax::ast::crate_node_id;
if !is_topmod { vec::push(fold.ctxt.path, doc.name()); }
let doc = fold::default_seq_fold_mod(fold, doc);
if !is_topmod { vec::pop(fold.ctxt.path); }
{
item: {
path: fold.ctxt.path
with doc.item
}
with doc
}
}
#[test]
fn should_record_mod_paths() {
let source = "mod a { mod b { mod c { } } mod d { mod e { } } }";
let srv = astsrv::mk_srv_from_str(source);
let doc = extract::from_srv(srv, "");
let doc = run(srv, doc);
assert doc.topmod.mods()[0].mods()[0].mods()[0].path() == ["a", "b"];
assert doc.topmod.mods()[0].mods()[1].mods()[0].path() == ["a", "d"];
}