debug_format.rs

  1use anyhow::{Context as _, Result};
  2use collections::FxHashMap;
  3use gpui::SharedString;
  4use log as _;
  5use schemars::JsonSchema;
  6use serde::{Deserialize, Serialize};
  7use std::net::Ipv4Addr;
  8use std::path::PathBuf;
  9use util::debug_panic;
 10
 11use crate::{TaskTemplate, adapter_schema::AdapterSchemas};
 12
 13/// Represents the host information of the debug adapter
 14#[derive(Default, Deserialize, Serialize, PartialEq, Eq, JsonSchema, Clone, Debug)]
 15pub struct TcpArgumentsTemplate {
 16    /// The port that the debug adapter is listening on
 17    ///
 18    /// Default: We will try to find an open port
 19    pub port: Option<u16>,
 20    /// The host that the debug adapter is listening too
 21    ///
 22    /// Default: 127.0.0.1
 23    pub host: Option<Ipv4Addr>,
 24    /// The max amount of time in milliseconds to connect to a tcp DAP before returning an error
 25    ///
 26    /// Default: 2000ms
 27    pub timeout: Option<u64>,
 28}
 29
 30impl TcpArgumentsTemplate {
 31    /// Get the host or fallback to the default host
 32    pub fn host(&self) -> Ipv4Addr {
 33        self.host.unwrap_or_else(|| Ipv4Addr::new(127, 0, 0, 1))
 34    }
 35
 36    pub fn from_proto(proto: proto::TcpHost) -> Result<Self> {
 37        Ok(Self {
 38            port: proto.port.map(|p| p.try_into()).transpose()?,
 39            host: proto.host.map(|h| h.parse()).transpose()?,
 40            timeout: proto.timeout,
 41        })
 42    }
 43
 44    pub fn to_proto(&self) -> proto::TcpHost {
 45        proto::TcpHost {
 46            port: self.port.map(|p| p.into()),
 47            host: self.host.map(|h| h.to_string()),
 48            timeout: self.timeout,
 49        }
 50    }
 51}
 52
 53/// Represents the attach request information of the debug adapter
 54#[derive(Default, Serialize, PartialEq, Eq, JsonSchema, Clone, Debug)]
 55pub struct AttachRequest {
 56    /// The processId to attach to, if left empty we will show a process picker
 57    pub process_id: Option<u32>,
 58}
 59
 60impl<'de> Deserialize<'de> for AttachRequest {
 61    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
 62    where
 63        D: serde::Deserializer<'de>,
 64    {
 65        #[derive(Deserialize)]
 66        struct Helper {
 67            process_id: Option<u32>,
 68        }
 69
 70        let helper = Helper::deserialize(deserializer)?;
 71
 72        // Skip creating an AttachRequest if process_id is None
 73        if helper.process_id.is_none() {
 74            return Err(serde::de::Error::custom("process_id is required"));
 75        }
 76
 77        Ok(AttachRequest {
 78            process_id: helper.process_id,
 79        })
 80    }
 81}
 82
 83/// Represents the launch request information of the debug adapter
 84#[derive(Deserialize, Serialize, Default, PartialEq, Eq, JsonSchema, Clone, Debug)]
 85pub struct LaunchRequest {
 86    /// The program that you trying to debug
 87    pub program: String,
 88    /// The current working directory of your project
 89    #[serde(default)]
 90    pub cwd: Option<PathBuf>,
 91    /// Arguments to pass to a debuggee
 92    #[serde(default)]
 93    pub args: Vec<String>,
 94    #[serde(default)]
 95    pub env: FxHashMap<String, String>,
 96}
 97
 98impl LaunchRequest {
 99    pub fn env_json(&self) -> serde_json::Value {
100        serde_json::Value::Object(
101            self.env
102                .iter()
103                .map(|(k, v)| (k.clone(), v.to_owned().into()))
104                .collect::<serde_json::Map<String, serde_json::Value>>(),
105        )
106    }
107}
108
109/// Represents the type that will determine which request to call on the debug adapter
110#[derive(Deserialize, Serialize, PartialEq, Eq, JsonSchema, Clone, Debug)]
111#[serde(rename_all = "lowercase", tag = "request")]
112pub enum DebugRequest {
113    /// Call the `launch` request on the debug adapter
114    Launch(LaunchRequest),
115    /// Call the `attach` request on the debug adapter
116    Attach(AttachRequest),
117}
118
119impl DebugRequest {
120    pub fn to_proto(&self) -> proto::DebugRequest {
121        match self {
122            DebugRequest::Launch(launch_request) => proto::DebugRequest {
123                request: Some(proto::debug_request::Request::DebugLaunchRequest(
124                    proto::DebugLaunchRequest {
125                        program: launch_request.program.clone(),
126                        cwd: launch_request
127                            .cwd
128                            .as_ref()
129                            .map(|cwd| cwd.to_string_lossy().into_owned()),
130                        args: launch_request.args.clone(),
131                        env: launch_request
132                            .env
133                            .iter()
134                            .map(|(k, v)| (k.clone(), v.clone()))
135                            .collect(),
136                    },
137                )),
138            },
139            DebugRequest::Attach(attach_request) => proto::DebugRequest {
140                request: Some(proto::debug_request::Request::DebugAttachRequest(
141                    proto::DebugAttachRequest {
142                        process_id: attach_request
143                            .process_id
144                            .expect("The process ID to be already filled out."),
145                    },
146                )),
147            },
148        }
149    }
150
151    pub fn from_proto(val: proto::DebugRequest) -> Result<DebugRequest> {
152        let request = val.request.context("Missing debug request")?;
153        match request {
154            proto::debug_request::Request::DebugLaunchRequest(proto::DebugLaunchRequest {
155                program,
156                cwd,
157                args,
158                env,
159            }) => Ok(DebugRequest::Launch(LaunchRequest {
160                program,
161                cwd: cwd.map(From::from),
162                args,
163                env: env.into_iter().collect(),
164            })),
165
166            proto::debug_request::Request::DebugAttachRequest(proto::DebugAttachRequest {
167                process_id,
168            }) => Ok(DebugRequest::Attach(AttachRequest {
169                process_id: Some(process_id),
170            })),
171        }
172    }
173}
174
175impl From<LaunchRequest> for DebugRequest {
176    fn from(launch_config: LaunchRequest) -> Self {
177        DebugRequest::Launch(launch_config)
178    }
179}
180
181impl From<AttachRequest> for DebugRequest {
182    fn from(attach_config: AttachRequest) -> Self {
183        DebugRequest::Attach(attach_config)
184    }
185}
186
187#[derive(Serialize, PartialEq, Eq, JsonSchema, Clone, Debug)]
188#[serde(untagged)]
189pub enum BuildTaskDefinition {
190    ByName(SharedString),
191    Template {
192        #[serde(flatten)]
193        task_template: TaskTemplate,
194        #[serde(skip)]
195        locator_name: Option<SharedString>,
196    },
197}
198
199impl<'de> Deserialize<'de> for BuildTaskDefinition {
200    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
201    where
202        D: serde::Deserializer<'de>,
203    {
204        #[derive(Deserialize)]
205        struct TemplateHelper {
206            #[serde(default)]
207            label: Option<String>,
208            #[serde(flatten)]
209            rest: serde_json::Value,
210        }
211
212        let value = serde_json::Value::deserialize(deserializer)?;
213
214        if let Ok(name) = serde_json::from_value::<SharedString>(value.clone()) {
215            return Ok(BuildTaskDefinition::ByName(name));
216        }
217
218        let helper: TemplateHelper =
219            serde_json::from_value(value).map_err(serde::de::Error::custom)?;
220
221        let mut template_value = helper.rest;
222        if let serde_json::Value::Object(ref mut map) = template_value {
223            map.insert(
224                "label".to_string(),
225                serde_json::to_value(helper.label.unwrap_or_else(|| "debug-build".to_owned()))
226                    .map_err(serde::de::Error::custom)?,
227            );
228        }
229
230        let task_template: TaskTemplate =
231            serde_json::from_value(template_value).map_err(serde::de::Error::custom)?;
232
233        Ok(BuildTaskDefinition::Template {
234            task_template,
235            locator_name: None,
236        })
237    }
238}
239
240#[derive(Deserialize, Serialize, PartialEq, Eq, Clone, Debug, JsonSchema)]
241pub enum Request {
242    Launch,
243    Attach,
244}
245
246/// This struct represent a user created debug task from the new session modal
247#[derive(Deserialize, Serialize, PartialEq, Eq, Clone, Debug, JsonSchema)]
248#[serde(rename_all = "snake_case")]
249pub struct ZedDebugConfig {
250    /// Name of the debug task
251    pub label: SharedString,
252    /// The debug adapter to use
253    pub adapter: SharedString,
254    #[serde(flatten)]
255    pub request: DebugRequest,
256    /// Whether to tell the debug adapter to stop on entry
257    #[serde(default, skip_serializing_if = "Option::is_none")]
258    pub stop_on_entry: Option<bool>,
259}
260
261/// This struct represent a user created debug task
262#[derive(Deserialize, Serialize, PartialEq, Eq, Clone, Debug, JsonSchema)]
263#[serde(rename_all = "snake_case")]
264pub struct DebugScenario {
265    pub adapter: SharedString,
266    /// Name of the debug task
267    pub label: SharedString,
268    /// A task to run prior to spawning the debuggee.
269    #[serde(default, skip_serializing_if = "Option::is_none")]
270    pub build: Option<BuildTaskDefinition>,
271    /// The main arguments to be sent to the debug adapter
272    #[serde(default, flatten)]
273    pub config: serde_json::Value,
274    /// Optional TCP connection information
275    ///
276    /// If provided, this will be used to connect to the debug adapter instead of
277    /// spawning a new process. This is useful for connecting to a debug adapter
278    /// that is already running or is started by another process.
279    #[serde(default, skip_serializing_if = "Option::is_none")]
280    pub tcp_connection: Option<TcpArgumentsTemplate>,
281}
282
283/// A group of Debug Tasks defined in a JSON file.
284#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
285#[serde(transparent)]
286pub struct DebugTaskFile(pub Vec<DebugScenario>);
287
288impl DebugTaskFile {
289    pub fn generate_json_schema(schemas: &AdapterSchemas) -> serde_json_lenient::Value {
290        let build_task_schema = schemars::schema_for!(BuildTaskDefinition);
291        let mut build_task_value =
292            serde_json_lenient::to_value(&build_task_schema).unwrap_or_default();
293
294        if let Some(template_object) = build_task_value
295            .get_mut("anyOf")
296            .and_then(|array| array.as_array_mut())
297            .and_then(|array| array.get_mut(1))
298        {
299            if let Some(properties) = template_object
300                .get_mut("properties")
301                .and_then(|value| value.as_object_mut())
302            {
303                properties.remove("label");
304            }
305
306            if let Some(arr) = template_object
307                .get_mut("required")
308                .and_then(|array| array.as_array_mut())
309            {
310                arr.retain(|v| v.as_str() != Some("label"));
311            }
312        } else {
313            debug_panic!("Task Template schema in debug scenario's needs to be updated");
314        }
315
316        let task_definitions = build_task_value
317            .get("definitions")
318            .cloned()
319            .unwrap_or_default();
320
321        let adapter_conditions = schemas
322            .0
323            .iter()
324            .map(|adapter_schema| {
325                let adapter_name = adapter_schema.adapter.to_string();
326                serde_json::json!({
327                    "if": {
328                        "properties": {
329                            "adapter": { "const": adapter_name }
330                        }
331                    },
332                    "then": adapter_schema.schema
333                })
334            })
335            .collect::<Vec<_>>();
336
337        serde_json_lenient::json!({
338            "$schema": "http://json-schema.org/draft-07/schema#",
339            "title": "Debug Configurations",
340            "description": "Configuration for debug scenarios",
341            "type": "array",
342            "items": {
343                "type": "object",
344                "required": ["adapter", "label"],
345                "properties": {
346                    "adapter": {
347                        "type": "string",
348                        "description": "The name of the debug adapter"
349                    },
350                    "label": {
351                        "type": "string",
352                        "description": "The name of the debug configuration"
353                    },
354                    "build": build_task_value,
355                    "tcp_connection": {
356                        "type": "object",
357                        "description": "Optional TCP connection information for connecting to an already running debug adapter",
358                        "properties": {
359                            "port": {
360                                "type": "integer",
361                                "description": "The port that the debug adapter is listening on (default: auto-find open port)"
362                            },
363                            "host": {
364                                "type": "string",
365                                "pattern": "^((25[0-5]|(2[0-4]|1\\d|[1-9]|)\\d)\\.?\\b){4}$",
366                                "description": "The host that the debug adapter is listening to (default: 127.0.0.1)"
367                            },
368                            "timeout": {
369                                "type": "integer",
370                                "description": "The max amount of time in milliseconds to connect to a tcp DAP before returning an error (default: 2000ms)"
371                            }
372                        }
373                    }
374                },
375                "allOf": adapter_conditions
376            },
377            "definitions": task_definitions
378        })
379    }
380}
381
382#[cfg(test)]
383mod tests {
384    use crate::DebugScenario;
385    use serde_json::json;
386
387    #[test]
388    fn test_just_build_args() {
389        let json = r#"{
390            "label": "Build & debug rust",
391            "adapter": "CodeLLDB",
392            "build": {
393                "command": "rust",
394                "args": ["build"]
395            }
396        }"#;
397
398        let deserialized: DebugScenario = serde_json::from_str(json).unwrap();
399        assert!(deserialized.build.is_some());
400        match deserialized.build.as_ref().unwrap() {
401            crate::BuildTaskDefinition::Template { task_template, .. } => {
402                assert_eq!("debug-build", task_template.label);
403                assert_eq!("rust", task_template.command);
404                assert_eq!(vec!["build"], task_template.args);
405            }
406            _ => panic!("Expected Template variant"),
407        }
408        assert_eq!(json!({}), deserialized.config);
409        assert_eq!("CodeLLDB", deserialized.adapter.as_ref());
410        assert_eq!("Build & debug rust", deserialized.label.as_ref());
411    }
412
413    #[test]
414    fn test_empty_scenario_has_none_request() {
415        let json = r#"{
416            "label": "Build & debug rust",
417            "build": "rust",
418            "adapter": "CodeLLDB"
419        }"#;
420
421        let deserialized: DebugScenario = serde_json::from_str(json).unwrap();
422
423        assert_eq!(json!({}), deserialized.config);
424        assert_eq!("CodeLLDB", deserialized.adapter.as_ref());
425        assert_eq!("Build & debug rust", deserialized.label.as_ref());
426    }
427
428    #[test]
429    fn test_launch_scenario_deserialization() {
430        let json = r#"{
431            "label": "Launch program",
432            "adapter": "CodeLLDB",
433            "request": "launch",
434            "program": "target/debug/myapp",
435            "args": ["--test"]
436        }"#;
437
438        let deserialized: DebugScenario = serde_json::from_str(json).unwrap();
439
440        assert_eq!(
441            json!({ "request": "launch", "program": "target/debug/myapp", "args": ["--test"] }),
442            deserialized.config
443        );
444        assert_eq!("CodeLLDB", deserialized.adapter.as_ref());
445        assert_eq!("Launch program", deserialized.label.as_ref());
446    }
447
448    #[test]
449    fn test_attach_scenario_deserialization() {
450        let json = r#"{
451            "label": "Attach to process",
452            "adapter": "CodeLLDB",
453            "process_id": 1234,
454            "request": "attach"
455        }"#;
456
457        let deserialized: DebugScenario = serde_json::from_str(json).unwrap();
458
459        assert_eq!(
460            json!({ "request": "attach", "process_id": 1234 }),
461            deserialized.config
462        );
463        assert_eq!("CodeLLDB", deserialized.adapter.as_ref());
464        assert_eq!("Attach to process", deserialized.label.as_ref());
465    }
466
467    #[test]
468    fn test_build_task_definition_without_label() {
469        use crate::BuildTaskDefinition;
470
471        let json = r#""my_build_task""#;
472        let deserialized: BuildTaskDefinition = serde_json::from_str(json).unwrap();
473        match deserialized {
474            BuildTaskDefinition::ByName(name) => assert_eq!("my_build_task", name.as_ref()),
475            _ => panic!("Expected ByName variant"),
476        }
477
478        let json = r#"{
479            "command": "cargo",
480            "args": ["build", "--release"]
481        }"#;
482        let deserialized: BuildTaskDefinition = serde_json::from_str(json).unwrap();
483        match deserialized {
484            BuildTaskDefinition::Template { task_template, .. } => {
485                assert_eq!("debug-build", task_template.label);
486                assert_eq!("cargo", task_template.command);
487                assert_eq!(vec!["build", "--release"], task_template.args);
488            }
489            _ => panic!("Expected Template variant"),
490        }
491
492        let json = r#"{
493            "label": "Build Release",
494            "command": "cargo",
495            "args": ["build", "--release"]
496        }"#;
497        let deserialized: BuildTaskDefinition = serde_json::from_str(json).unwrap();
498        match deserialized {
499            BuildTaskDefinition::Template { task_template, .. } => {
500                assert_eq!("Build Release", task_template.label);
501                assert_eq!("cargo", task_template.command);
502                assert_eq!(vec!["build", "--release"], task_template.args);
503            }
504            _ => panic!("Expected Template variant"),
505        }
506    }
507}