1use dap::{StartDebuggingRequestArguments, adapters::DebugTaskDefinition};
 2use gpui::AsyncApp;
 3use std::{collections::HashMap, ffi::OsStr, path::PathBuf};
 4
 5use crate::*;
 6
 7#[derive(Default, Debug)]
 8pub(crate) struct GoDebugAdapter;
 9
10impl GoDebugAdapter {
11    const ADAPTER_NAME: &'static str = "Delve";
12    fn request_args(&self, config: &DebugTaskDefinition) -> StartDebuggingRequestArguments {
13        let mut args = match &config.request {
14            dap::DebugRequest::Attach(attach_config) => {
15                json!({
16                    "processId": attach_config.process_id,
17                })
18            }
19            dap::DebugRequest::Launch(launch_config) => json!({
20                "program": launch_config.program,
21                "cwd": launch_config.cwd,
22                "args": launch_config.args
23            }),
24        };
25
26        let map = args.as_object_mut().unwrap();
27
28        if let Some(stop_on_entry) = config.stop_on_entry {
29            map.insert("stopOnEntry".into(), stop_on_entry.into());
30        }
31
32        StartDebuggingRequestArguments {
33            configuration: args,
34            request: config.request.to_dap(),
35        }
36    }
37}
38
39#[async_trait(?Send)]
40impl DebugAdapter for GoDebugAdapter {
41    fn name(&self) -> DebugAdapterName {
42        DebugAdapterName(Self::ADAPTER_NAME.into())
43    }
44
45    async fn get_binary(
46        &self,
47        delegate: &dyn DapDelegate,
48        config: &DebugTaskDefinition,
49        _user_installed_path: Option<PathBuf>,
50        _cx: &mut AsyncApp,
51    ) -> Result<DebugAdapterBinary> {
52        let delve_path = delegate
53            .which(OsStr::new("dlv"))
54            .and_then(|p| p.to_str().map(|p| p.to_string()))
55            .ok_or(anyhow!("Dlv not found in path"))?;
56
57        let tcp_connection = config.tcp_connection.clone().unwrap_or_default();
58        let (host, port, timeout) = crate::configure_tcp_connection(tcp_connection).await?;
59
60        Ok(DebugAdapterBinary {
61            command: delve_path,
62            arguments: vec![
63                "dap".into(),
64                "--listen".into(),
65                format!("{}:{}", host, port),
66            ],
67            cwd: None,
68            envs: HashMap::default(),
69            connection: Some(adapters::TcpArguments {
70                host,
71                port,
72                timeout,
73            }),
74            request_args: self.request_args(config),
75        })
76    }
77}