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Comment creader

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This commit is contained in:
Brian Anderson 2011-07-07 21:03:09 -07:00
parent 639cf1a8ff
commit 51e60b6565
1 changed files with 29 additions and 28 deletions
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57
src/comp/metadata/creader.rs
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@ -28,6 +28,35 @@ import common::*;
export read_crates; export read_crates;
export list_file_metadata; export list_file_metadata;
// Traverses an AST, reading all the information about use'd crates and native
// libraries necessary for later resolving, typechecking, linking, etc.
fn read_crates(session::session sess, resolve::crate_map crate_map,
&ast::crate crate) {
auto e =
@rec(sess=sess,
crate_map=crate_map,
crate_cache=@std::map::new_str_hash[int](),
library_search_paths=sess.get_opts().library_search_paths,
mutable next_crate_num=1);
auto v =
rec(visit_view_item_pre=bind visit_view_item(e, _),
visit_item_pre=bind visit_item(e, _)
with walk::default_visitor());
walk::walk_crate(v, crate);
}
// A diagnostic function for dumping crate metadata to an output stream
fn list_file_metadata(str path, io::writer out) {
alt (get_metadata_section(path)) {
case (option::some(?bytes)) {
decoder::list_crate_metadata(bytes, out);
}
case (option::none) {
out.write_str("Could not find metadata in " + path + ".\n");
}
}
}
fn metadata_matches(&vec[u8] crate_data, fn metadata_matches(&vec[u8] crate_data,
&(@ast::meta_item)[] metas) -> bool { &(@ast::meta_item)[] metas) -> bool {
auto attrs = decoder::get_crate_attributes(crate_data); auto attrs = decoder::get_crate_attributes(crate_data);
@ -199,34 +228,6 @@ fn visit_item(env e, &@ast::item i) {
} }
} }
// Reads external crates referenced by "use" directives.
fn read_crates(session::session sess, resolve::crate_map crate_map,
&ast::crate crate) {
auto e =
@rec(sess=sess,
crate_map=crate_map,
crate_cache=@std::map::new_str_hash[int](),
library_search_paths=sess.get_opts().library_search_paths,
mutable next_crate_num=1);
auto v =
rec(visit_view_item_pre=bind visit_view_item(e, _),
visit_item_pre=bind visit_item(e, _)
with walk::default_visitor());
walk::walk_crate(v, crate);
}
fn list_file_metadata(str path, io::writer out) {
alt (get_metadata_section(path)) {
case (option::some(?bytes)) {
decoder::list_crate_metadata(bytes, out);
}
case (option::none) {
out.write_str("Could not find metadata in " + path + ".\n");
}
}
}
// Local Variables: // Local Variables:
// mode: rust // mode: rust