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#[doc = "Records the full path to items"];
export mk_pass;
fn mk_pass() -> pass {
{
name: "path",
f: run
}
}
type ctxt = {
srv: astsrv::srv,
mut path: [str]
};
fn run(srv: astsrv::srv, doc: doc::doc) -> doc::doc {
let ctxt = {
srv: srv,
mut path: []
};
let fold = fold::fold({
fold_item: fold_item,
fold_mod: fold_mod,
fold_nmod: fold_nmod
with *fold::default_any_fold(ctxt)
});
fold.fold_doc(fold, doc)
}
fn fold_item(fold: fold::fold<ctxt>, doc: doc::itemdoc) -> doc::itemdoc {
{
path: fold.ctxt.path
with 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_any_fold_mod(fold, doc);
if !is_topmod { vec::pop(fold.ctxt.path); }
{
item: fold.fold_item(fold, doc.item)
with doc
}
}
fn fold_nmod(fold: fold::fold<ctxt>, doc: doc::nmoddoc) -> doc::nmoddoc {
vec::push(fold.ctxt.path, doc.name());
let doc = fold::default_seq_fold_nmod(fold, doc);
vec::pop(fold.ctxt.path);
{
item: fold.fold_item(fold, doc.item)
with doc
}
}
#[test]
fn should_record_mod_paths() {
let source = "mod a { mod b { mod c { } } mod d { mod e { } } }";
astsrv::from_str(source) {|srv|
let doc = extract::from_srv(srv, "");
let doc = run(srv, doc);
assert doc.cratemod().mods()[0].mods()[0].mods()[0].path()
== ["a", "b"];
assert doc.cratemod().mods()[0].mods()[1].mods()[0].path()
== ["a", "d"];
}
}
#[test]
fn should_record_fn_paths() {
let source = "mod a { fn b() { } }";
astsrv::from_str(source) {|srv|
let doc = extract::from_srv(srv, "");
let doc = run(srv, doc);
assert doc.cratemod().mods()[0].fns()[0].path() == ["a"];
}
}
#[test]
fn should_record_native_mod_paths() {
let source = "mod a { native mod b { } }";
astsrv::from_str(source) {|srv|
let doc = extract::from_srv(srv, "");
let doc = run(srv, doc);
assert doc.cratemod().mods()[0].nmods()[0].path() == ["a"];
}
}
#[test]
fn should_record_native_fn_paths() {
let source = "native mod a { fn b(); }";
astsrv::from_str(source) {|srv|
let doc = extract::from_srv(srv, "");
let doc = run(srv, doc);
assert doc.cratemod().nmods()[0].fns[0].path() == ["a"];
}
}
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