30 lines
956 B
Rust
30 lines
956 B
Rust
// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use driver::session::Session;
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use syntax::ast;
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use syntax::ast_map;
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struct NodeIdAssigner<'a> {
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sess: &'a Session
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}
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impl<'a> ast_map::FoldOps for NodeIdAssigner<'a> {
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fn new_id(&self, old_id: ast::NodeId) -> ast::NodeId {
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assert_eq!(old_id, ast::DUMMY_NODE_ID);
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self.sess.next_node_id()
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}
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}
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pub fn assign_node_ids_and_map(sess: &Session, krate: ast::Crate) -> (ast::Crate, ast_map::Map) {
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ast_map::map_crate(krate, NodeIdAssigner { sess: sess })
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}
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