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Support link_args at the crate level. Closes #1301

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This commit is contained in:
Zack Corr 2013-02-17 01:21:56 +10:00
parent 9ad8a1f465
commit 19eb225bc2
1 changed files with 15 additions and 0 deletions
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15
src/librustc/metadata/creader.rs
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@ -55,6 +55,7 @@ pub fn read_crates(diag: span_handler,
visit_view_item: |a| visit_view_item(e, a),
visit_item: |a| visit_item(e, a),
.. *visit::default_simple_visitor()});
visit_crate(e, crate);
visit::visit_crate(crate, (), v);
dump_crates(e.crate_cache);
warn_if_multiple_versions(e, diag, e.crate_cache);
@ -125,6 +126,20 @@ struct Env {
intr: @ident_interner
}
fn visit_crate(e: @mut Env, c: ast::crate) {
let cstore = e.cstore;
let link_args = attr::find_attrs_by_name(c.node.attrs, "link_args");
for link_args.each |a| {
match attr::get_meta_item_value_str(attr::attr_meta(*a)) {
Some(ref linkarg) => {
cstore::add_used_link_args(cstore, (/*bad*/copy *linkarg));
}
None => {/* fallthrough */ }
}
}
}
fn visit_view_item(e: @mut Env, i: @ast::view_item) {
match /*bad*/copy i.node {
ast::view_item_use(ident, meta_items, id) => {