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mod session;
use regex::Regex;
use serde::{Deserialize, Serialize, de::DeserializeOwned};
use serde_json::{Result, Value};
use session::IsabelleSession;
use std::{io::{BufRead, BufReader, BufWriter, Write}, path::PathBuf, process::{ChildStdout, Command, Stdio}};
use std::fmt::Debug;
use isabelle_unicode::PrettyUnicode;
use structopt::StructOpt;
type SessionID = String;
type TaskID = String;
#[derive(Serialize, Deserialize)]
#[serde(untagged)]
enum ClientCommand {
UseTheories {
session_id : SessionID,
theories : Vec<String>,
master_dir : Option<String>
},
SessionStart {
session : String,
include_sessions : Vec<String>
},
Echo (String),
ShutDown
}
#[derive(Debug)]
enum SyncAnswer<T,E> {
Ok (T),
Error (E),
}
enum AsyncAnswer<T, E, N> {
Finished (T),
Failed (E),
Note (N)
}
#[derive(Deserialize, Debug)]
struct ClientHello {
isabelle_id : String,
isabelle_version : String
}
#[derive(Deserialize)]
struct SessionStartedOk {
session_id : String,
tmp_dir : String,
task : String
}
#[derive(Deserialize)]
struct SessionStartedNote {
percentage : u8,
task : TaskID,
message : String,
kind : String,
session : String,
theory : String
}
#[derive(Deserialize, Clone, Debug)]
struct SessionStartedFinished {
session_id : SessionID,
tmp_dir : String,
task : TaskID
}
#[derive(Deserialize, Clone, Debug)]
struct UseTheoriesFinished {
ok : bool,
errors : Vec<IsabelleError>,
nodes : Vec<IsabelleNode>,
task : TaskID,
}
#[derive(Deserialize, Clone, Debug)]
struct IsabelleError {
kind : String,
message : String,
pos : Span
}
#[derive(Deserialize, Clone, Debug)]
struct IsabelleNode {
messages : Vec<IsabelleError>,
exports : Vec<()>,
status : Status,
theory_name : String,
node_name : String
}
#[derive(Deserialize, Clone, Debug)]
struct Status {
percentage : u8,
unprocessed : u64,
running : u64,
finished : u64,
failed : u64,
total : u64,
consolidated : bool,
canceled : bool,
ok : bool,
warned : u64
}
#[derive(Deserialize,Clone, Debug)]
struct Span {
line : u64,
offset : u64,
end_offset : u64,
file : String
}
#[derive(Deserialize)]
struct AsyncStartOk {
task : TaskID
}
fn decode_sync<'a, T> (msg: &'a str) -> Option<SyncAnswer<T, String>>
where T: Deserialize<'a> {
let regex = Regex::new(r"^[a-zA-Z]+\b").unwrap();
let mat = regex.find(msg)?;
let ty = &msg[..mat.end()];
let rest = &msg[mat.end()..];
match ty {
"OK" => Some(SyncAnswer::Ok(serde_json::from_str(&rest).ok()?)),
"ERROR" => Some(SyncAnswer::Error(rest.to_owned())),
_ => None
}
}
fn decode_async<'a,T,E,N> (msg: &'a str) -> Option<AsyncAnswer<T,E,N>>
where T: Deserialize<'a>, N: Deserialize<'a>, E: Deserialize<'a> {
let regex = Regex::new(r"^[a-zA-Z]+\b").unwrap();
let mat = regex.find(msg)?;
let ty = &msg[..mat.end()];
let rest = &msg[mat.end()..];
match ty {
"NOTE" => Some(AsyncAnswer::Note(serde_json::from_str(&rest).ok()?)),
"FINISHED" => Some(AsyncAnswer::Finished(serde_json::from_str(&rest).ok()?)),
"FAILED" => Some(AsyncAnswer::Failed(serde_json::from_str(&rest).ok()?)),
_ => None
}
}
trait Encode {
fn encode (&self) -> String;
}
impl Encode for ClientCommand {
fn encode (&self) -> String {
let ty = match self {
ClientCommand::UseTheories {..} => "use_theories",
ClientCommand::SessionStart {..} => "session_start",
ClientCommand::Echo (..) => "echo",
ClientCommand::ShutDown => "shutdown"
};
let blob = serde_json::to_string(self).unwrap();
let res = ty.to_owned() + &blob + "\n";
println!("encoded: {}", res);
res
}
}
fn wait_for_client(pipe: &mut BufReader<ChildStdout>) -> Option<ClientHello> {
for res in pipe.lines() {
match res {
Err(_) => (),
Ok(line) => {
let hello : Option<SyncAnswer<ClientHello, _>> = decode_sync(&line);
if let Some(SyncAnswer::Ok(data)) = hello {
return Some(data);
}
}
}
}
None
}
fn wait_for_async_task<'a,T,E,N,F>
(reader: &mut BufReader<ChildStdout>, task: &str, mut prog: F) -> Option<T>
where T: DeserializeOwned, E: DeserializeOwned + Debug, N: DeserializeOwned,
F: FnMut(N)
{
for res in reader.lines() {
match res {
Err(_) => (),
Ok(line) => {
let regex = Regex::new(r"^[0-9]+$").unwrap();
if regex.is_match(&line) {
} else {
match decode_async::<T,E,N>(&line)? {
AsyncAnswer::Finished(data)
=> return Some(data),
AsyncAnswer::Failed(failed)
=> panic!("building session failed: {:?}", failed),
AsyncAnswer::Note(val) => prog(val)
}
}
}
}
};
None
}
fn get_async_task_id (reader: &mut BufReader<ChildStdout>) -> TaskID {
let mut res = String::new();
reader.read_line(&mut res).unwrap();
match decode_sync(&res).unwrap() {
SyncAnswer::Ok(AsyncStartOk { task }) => task,
SyncAnswer::Error(_) => panic!("failed to start async task!")
}
}
#[derive(StructOpt)]
#[structopt(name = "isabelle-proto-POC", about="proof of concept for communicating with an Isabelle server")]
struct Options {
theory : String,
#[structopt(name="directory", default_value=Box::leak(Box::new(std::env::current_dir().unwrap().into_os_string().into_string().unwrap())))]
directory : String
}
fn main() {
let options = Options::from_args();
let mut session = IsabelleSession::start_with_client();
let started = session.start_session("HOL".to_owned(),vec![]).unwrap();
println!("{:?}", started);
let theoryresults = session.load_theory(
options.theory,
Some(options.directory)
);
println!("loaded theory: {:?}", theoryresults);
}
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