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|
//! Records the full path to items
use doc::ItemUtils;
use syntax::ast;
export mk_pass;
fn mk_pass() -> Pass {
{
name: ~"path",
f: run
}
}
type Ctxt = {
srv: astsrv::Srv,
mut path: ~[~str]
};
#[allow(non_implicitly_copyable_typarams)]
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,
.. *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,
.. doc
}
}
#[allow(non_implicitly_copyable_typarams)]
fn fold_mod(fold: fold::Fold<Ctxt>, doc: doc::ModDoc) -> doc::ModDoc {
let is_topmod = doc.id() == ast::crate_node_id;
if !is_topmod { fold.ctxt.path.push(doc.name()); }
let doc = fold::default_any_fold_mod(fold, doc);
if !is_topmod { vec::pop(fold.ctxt.path); }
doc::ModDoc_({
item: fold.fold_item(fold, doc.item),
.. *doc
})
}
fn fold_nmod(fold: fold::Fold<Ctxt>, doc: doc::NmodDoc) -> doc::NmodDoc {
fold.ctxt.path.push(doc.name());
let doc = fold::default_seq_fold_nmod(fold, doc);
vec::pop(fold.ctxt.path);
{
item: fold.fold_item(fold, doc.item),
.. doc
}
}
#[test]
fn should_record_mod_paths() {
let source = ~"mod a { mod b { mod c { } } mod d { mod e { } } }";
do 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() { } }";
do 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_foreign_mod_paths() {
let source = ~"mod a { extern mod b { } }";
do 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_foreign_fn_paths() {
let source = ~"extern mod a { fn b(); }";
do 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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