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Imported Upstream version 1.9.0+dfsg1
[rustc.git] / src / librustc_incremental / persist / data.rs
1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
4 //
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
10
11 //! The data that we will serialize and deserialize.
12
13 use rustc::dep_graph::DepNode;
14 use rustc_serialize::{Decoder as RustcDecoder,
15 Encodable as RustcEncodable, Encoder as RustcEncoder};
16
17 use super::directory::DefPathIndex;
18
19 #[derive(Debug, RustcEncodable, RustcDecodable)]
20 pub struct SerializedDepGraph {
21 pub nodes: Vec<DepNode<DefPathIndex>>,
22 pub edges: Vec<SerializedEdge>,
23 pub hashes: Vec<SerializedHash>,
24 }
25
26 pub type SerializedEdge = (DepNode<DefPathIndex>, DepNode<DefPathIndex>);
27
28 #[derive(Debug, RustcEncodable, RustcDecodable)]
29 pub struct SerializedHash {
30 pub index: DefPathIndex,
31
32 /// the hash itself, computed by `calculate_item_hash`
33 pub hash: u64,
34 }
35