now workspaces for modular compilation (maybe faster)

rsprocess/src/serialize.rs

@@ -0,0 +1,43 @@
+//! Definitions for serializing and deserializing graph and translator.
+//!
+//! N.B. after serialization the size of the graph may be much larger than
+//! before since a lot of ```Rc``` are used in ```RSsystem```.
+
+use std::io;
+
+use serde::{Deserialize, Serialize};
+
+use super::graph;
+use super::translator::Translator;
+
+#[derive(Serialize, Deserialize)]
+struct GraphAndTranslator {
+    graph:      graph::SystemGraph,
+    translator: Translator,
+}
+
+/// Serializer for graph and translator.
+pub fn ser<W>(
+    writer: W,
+    graph: &graph::SystemGraph,
+    translator: &Translator,
+) -> Result<(), serde_cbor_2::Error>
+where
+    W: io::Write,
+{
+    serde_cbor_2::to_writer(writer, &GraphAndTranslator {
+        graph:      graph.clone(),
+        translator: translator.clone(),
+    })
+}
+
+/// Deserializer for file that contains graph and translator.
+pub fn de<R>(
+    reader: R,
+) -> Result<(graph::SystemGraph, Translator), serde_cbor_2::Error>
+where
+    R: io::Read,
+{
+    let gat: GraphAndTranslator = serde_cbor_2::from_reader(reader)?;
+    Ok((gat.graph, gat.translator))
+}