29 lines
882 B
Rust
29 lines
882 B
Rust
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// -*- rust -*-
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import driver.session;
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import front.ast;
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import middle.fold;
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import util.common;
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import util.common.span;
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import std.map.hashmap;
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// TODO: map to a real type here.
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type env = @hashmap[str, @ast.external_crate_info];
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fn fold_view_item_use(&env e, &span sp, ast.ident ident,
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vec[@ast.meta_item] meta_items, ast.def_id id) -> @ast.view_item {
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// TODO: find the crate
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auto viu = ast.view_item_use(ident, meta_items, id);
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ret @fold.respan[ast.view_item_](sp, viu);
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}
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// Reads external crates referenced by "use" directives.
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fn read_crates(session.session sess, @ast.crate crate) -> @ast.crate {
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auto external_crates = @common.new_str_hash[@ast.external_crate_info]();
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auto f = fold_view_item_use;
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auto fld = @rec(fold_view_item_use=f with *fold.new_identity_fold[env]());
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ret fold.fold_crate[env](external_crates, fld, crate);
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}
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