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Merged
MrSubidubi merged 3 commits into from
Feb 2, 2026
Merged

Add debug adapter request handling to support both Launch and Attach #52

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ccec5bb
Fix debug adapter request handling to support Launch and Attach
blaqshyd Dec 13, 2025
b877197
Merge branch 'main' into fix/dap-request-kind
blaqshyd Dec 16, 2025
0f8b18d
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MrSubidubi Feb 2, 2026
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54 changes: 46 additions & 8 deletions debug_adapter_schemas/Dart.json
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Original file line number Diff line number Diff line change
Expand Up @@ -5,22 +5,35 @@
"properties": {
"adapter": {
"type": "string",
"enum": ["Dart"]
"enum": [
"Dart"
]
},
"type": {
"type": "string",
"enum": ["dart", "flutter"],
"enum": [
"dart",
"flutter"
],
"description": "Debug Flutter or Dart file"
},
"label": {
"type": "string",
"description": "Human-readable name for this debug configuration",
"examples": ["Launch Dart App", "Debug Main", "Dart Console"]
"examples": [
"Launch Dart App",
"Debug Main",
"Dart Console"
]
},
"program": {
"type": "string",
"description": "Path to the Dart file to debug",
"examples": ["lib/main.dart", "bin/main.dart", "test/example_test.dart"]
"examples": [
"lib/main.dart",
"bin/main.dart",
"test/example_test.dart"
]
},
"cwd": {
"type": "string",
Expand All @@ -40,18 +53,43 @@
},
"device_id": {
"type": "string",
"examples": ["chrome", "edge", "<android-id>", "<ios-id>"]
"examples": [
"chrome",
"edge",
"<android-id>",
"<ios-id>"
]
},
"platform": {
"type": "string",
"examples": ["web", "desktop"]
"examples": [
"web",
"desktop"
]
},
"request": {
"type": "string",
"enum": [
"launch",
"attach"
],
"description": "The debug request type",
"default": "launch"
},
"vmServiceUri": {
"type": "string",
"description": "The VM Service URI to attach to (for attach mode)"
},
"stopOnEntry": {
"type": "boolean",
"description": "Pause debugger on entry.",
"default": false
}
},
"required": ["program", "type", "adapter"],
"required": [
"program",
"type",
"adapter"
],
"additionalProperties": false
}
}
28 changes: 24 additions & 4 deletions src/dart.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -131,9 +131,17 @@ impl zed::Extension for DartExtension {
.map(|s| s.to_string())
.or_else(|| Some(worktree.root_path()));

let request = user_config
.get("request")
.and_then(|v| v.as_str())
.unwrap_or("launch");

let vm_service_uri = user_config.get("vmServiceUri").and_then(|v| v.as_str());

let config_json = json!({
"type": tool,
"request": "launch",
"request": request,
"vmServiceUri": vm_service_uri,
"program": program,
"cwd": cwd.clone().unwrap_or_default(),
"args": args,
Expand All @@ -152,7 +160,10 @@ impl zed::Extension for DartExtension {
connection: None,
request_args: StartDebuggingRequestArguments {
configuration: config_json,
request: StartDebuggingRequestArgumentsRequest::Launch,
request: match request {
"attach" => StartDebuggingRequestArgumentsRequest::Attach,
_ => StartDebuggingRequestArgumentsRequest::Launch,
},
}, // request_args: StartDebuggingRequestArguments:,
};
Result::Ok(debug_adapter_binary)
Expand All @@ -161,9 +172,18 @@ impl zed::Extension for DartExtension {
fn dap_request_kind(
&mut self,
_adapter_name: String,
_config: serde_json::Value,
config: serde_json::Value,
) -> Result<StartDebuggingRequestArgumentsRequest, String> {
Ok(StartDebuggingRequestArgumentsRequest::Launch)
match config.get("request") {
Some(v) if v == "launch" => Ok(StartDebuggingRequestArgumentsRequest::Launch),
Some(v) if v == "attach" => Ok(StartDebuggingRequestArgumentsRequest::Attach),
Some(value) => Err(format!(
"Unexpected value for `request` key in Dart debug adapter configuration: {value:?}"
)),
None => {
Err("Missing required `request` field in Dart debug adapter configuration".into())
}
}
}

fn language_server_command(
Expand Down