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helix-plus/helix-dap/examples/dap-dlv.rs

117 lines
3.3 KiB
Rust

use helix_dap::{events, Client, Event, Result, SourceBreakpoint};
use serde::{Deserialize, Serialize};
use serde_json::{from_value, to_value};
use tokio::sync::mpsc::Receiver;
#[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
struct LaunchArguments {
mode: String,
program: String,
}
async fn output(mut output_event: Receiver<Event>) {
loop {
let body: events::Output =
from_value(output_event.recv().await.unwrap().body.unwrap()).unwrap();
println!(
"> [{}] {}",
body.category.unwrap_or("unknown".to_owned()),
body.output
);
}
}
#[tokio::main]
pub async fn main() -> Result<()> {
let base_config = fern::Dispatch::new().level(log::LevelFilter::Info);
let stderr_config = fern::Dispatch::new()
.format(|out, message, record| out.finish(format_args!("[{}] {}", record.level(), message)))
.chain(std::io::stderr());
base_config
.chain(stderr_config)
.apply()
.expect("Failed to set up logging");
let client = Client::tcp_process("dlv", vec!["dap"], "-l 127.0.0.1:{}", 0).await;
println!("create: {:?}", client);
let mut client = client?;
let output_event = client.listen_for_event("output".to_owned()).await;
tokio::spawn(output(output_event));
println!("init: {:?}", client.initialize("go".to_owned()).await);
println!("caps: {:?}", client.capabilities());
let args = LaunchArguments {
mode: "exec".to_owned(),
program: "/tmp/godebug/main".to_owned(),
};
println!("launch: {:?}", client.launch(to_value(args)?).await);
println!(
"breakpoints: {:#?}",
client
.set_breakpoints(
"/tmp/godebug/main.go".to_owned(),
vec![SourceBreakpoint {
line: 8,
column: Some(2),
condition: None,
hit_condition: None,
log_message: None,
}]
)
.await
);
let mut _in = String::new();
std::io::stdin()
.read_line(&mut _in)
.expect("Failed to read line");
let mut stopped_event = client.listen_for_event("stopped".to_owned()).await;
println!("configurationDone: {:?}", client.configuration_done().await);
let stop: events::Stopped =
from_value(stopped_event.recv().await.unwrap().body.unwrap()).unwrap();
println!("stopped: {:?}", stop);
let threads = client.threads().await?;
println!("threads: {:#?}", threads);
let bt = client
.stack_trace(threads[0].id)
.await
.expect("expected stack trace");
println!("stack trace: {:#?}", bt);
let scopes = client
.scopes(bt.0[0].id)
.await
.expect("expected scopes for thread");
println!("scopes: {:#?}", scopes);
println!(
"vars: {:#?}",
client.variables(scopes[1].variables_reference).await
);
let mut _in = String::new();
std::io::stdin()
.read_line(&mut _in)
.expect("Failed to read line");
println!("continued: {:?}", client.continue_thread(0).await);
let mut _in = String::new();
std::io::stdin()
.read_line(&mut _in)
.expect("Failed to read line");
println!("disconnect: {:?}", client.disconnect().await);
Ok(())
}