112 lines
2.8 KiB
Rust
112 lines
2.8 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
//! Prune things that are private
|
|
|
|
use core::prelude::*;
|
|
|
|
use astsrv;
|
|
use doc;
|
|
use fold::Fold;
|
|
use fold;
|
|
use pass::Pass;
|
|
|
|
use core::util;
|
|
|
|
pub fn mk_pass() -> Pass {
|
|
Pass {
|
|
name: ~"prune_private",
|
|
f: run
|
|
}
|
|
}
|
|
|
|
pub fn run(srv: astsrv::Srv, doc: doc::Doc) -> doc::Doc {
|
|
let fold = Fold {
|
|
ctxt: srv.clone(),
|
|
fold_mod: fold_mod,
|
|
.. fold::default_any_fold(srv)
|
|
};
|
|
(fold.fold_doc)(&fold, doc)
|
|
}
|
|
|
|
fn fold_mod(
|
|
fold: &fold::Fold<astsrv::Srv>,
|
|
doc: doc::ModDoc
|
|
) -> doc::ModDoc {
|
|
let doc = fold::default_any_fold_mod(fold, doc);
|
|
|
|
doc::ModDoc {
|
|
items: doc.items.filtered(|ItemTag| {
|
|
is_visible(fold.ctxt.clone(), ItemTag.item())
|
|
}),
|
|
.. doc
|
|
}
|
|
}
|
|
|
|
fn is_visible(srv: astsrv::Srv, doc: doc::ItemDoc) -> bool {
|
|
use syntax::ast_map;
|
|
use syntax::ast;
|
|
|
|
let id = doc.id;
|
|
|
|
do astsrv::exec(srv) |ctxt| {
|
|
match ctxt.ast_map.get(&id) {
|
|
ast_map::node_item(item, _) => {
|
|
match item.node {
|
|
ast::item_impl(_, Some(_), _, _) => {
|
|
// This is a trait implementation, make it visible
|
|
// NOTE: This is not quite right since this could be an impl
|
|
// of a private trait. We can't know that without running
|
|
// resolve though.
|
|
true
|
|
}
|
|
_ => {
|
|
// Otherwise just look at the visibility
|
|
item.vis == ast::public
|
|
}
|
|
}
|
|
}
|
|
_ => util::unreachable()
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn should_prune_items_without_pub_modifier() {
|
|
let doc = test::mk_doc(~"mod a { }");
|
|
fail_unless!(vec::is_empty(doc.cratemod().mods()));
|
|
}
|
|
|
|
#[test]
|
|
fn unless_they_are_trait_impls() {
|
|
let doc = test::mk_doc(
|
|
~" \
|
|
trait Foo { } \
|
|
impl Foo for int { } \
|
|
");
|
|
fail_unless!(!doc.cratemod().impls().is_empty());
|
|
}
|
|
|
|
#[cfg(test)]
|
|
pub mod test {
|
|
use astsrv;
|
|
use doc;
|
|
use extract;
|
|
use prune_private_pass::run;
|
|
|
|
pub fn mk_doc(source: ~str) -> doc::Doc {
|
|
do astsrv::from_str(copy source) |srv| {
|
|
let doc = extract::from_srv(srv.clone(), ~"");
|
|
run(srv.clone(), doc)
|
|
}
|
|
}
|
|
}
|
|
|