85 lines
2.5 KiB
Rust
85 lines
2.5 KiB
Rust
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#[macro_use]
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extern crate failure;
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#[macro_use]
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extern crate serde_derive;
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extern crate serde;
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extern crate serde_json;
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extern crate languageserver_types;
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extern crate drop_bomb;
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extern crate crossbeam_channel;
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extern crate libeditor;
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extern crate libanalysis;
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mod io;
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mod caps;
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mod req;
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mod dispatch;
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use languageserver_types::InitializeResult;
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use libanalysis::WorldState;
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use self::io::{Io, RawMsg};
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pub type Result<T> = ::std::result::Result<T, ::failure::Error>;
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fn main() -> Result<()> {
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let mut io = Io::from_stdio();
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initialize(&mut io)?;
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io.stop()?;
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Ok(())
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}
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fn initialize(io: &mut Io) -> Result<()> {
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loop {
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match io.recv()? {
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RawMsg::Request(req) => {
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if let Some((_params, resp)) = dispatch::expect::<req::Initialize>(io, req)? {
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resp.result(io, InitializeResult {
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capabilities: caps::SERVER_CAPABILITIES
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})?;
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match io.recv()? {
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RawMsg::Notification(n) => {
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if n.method != "initialized" {
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bail!("expected initialized notification");
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}
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}
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_ => {
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bail!("expected initialized notification");
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}
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}
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return initialized(io);
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}
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}
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RawMsg::Notification(n) => {
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bail!("expected initialize request, got {:?}", n)
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}
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RawMsg::Response(res) => {
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bail!("expected initialize request, got {:?}", res)
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}
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}
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}
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}
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fn initialized(io: &mut Io) -> Result<()> {
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eprintln!("initialized");
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let world = WorldState::new();
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loop {
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match io.recv()? {
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RawMsg::Request(req) => {
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let world = world.snapshot();
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if let Some((params, resp)) = dispatch::expect::<req::SyntaxTree>(io, req)? {
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resp.respond_with(io, || {
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let path = params.text_document.uri.to_file_path()
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.map_err(|()| format_err!("invalid path"))?;
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let file = world.file_syntax(&path)?;
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Ok(libeditor::syntax_tree(&file))
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})?
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}
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}
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msg => {
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eprintln!("msg = {:?}", msg);
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}
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}
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}
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}
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