ZIm/crates/task/src/debug_format.rs
2025-08-26 11:25:29 -07:00

533 lines
19 KiB
Rust

use anyhow::{Context as _, Result};
use collections::FxHashMap;
use gpui::SharedString;
use log as _;
use schemars::JsonSchema;
use serde::{Deserialize, Serialize};
use std::net::Ipv4Addr;
use std::path::PathBuf;
use util::{debug_panic, schemars::add_new_subschema};
use crate::{TaskTemplate, adapter_schema::AdapterSchemas};
/// Represents the host information of the debug adapter
#[derive(Default, Deserialize, Serialize, PartialEq, Eq, JsonSchema, Clone, Debug)]
pub struct TcpArgumentsTemplate {
/// The port that the debug adapter is listening on
///
/// Default: We will try to find an open port
pub port: Option<u16>,
/// The host that the debug adapter is listening too
///
/// Default: 127.0.0.1
pub host: Option<Ipv4Addr>,
/// The max amount of time in milliseconds to connect to a tcp DAP before returning an error
///
/// Default: 2000ms
pub timeout: Option<u64>,
}
impl TcpArgumentsTemplate {
/// Get the host or fallback to the default host
pub fn host(&self) -> Ipv4Addr {
self.host.unwrap_or_else(|| Ipv4Addr::new(127, 0, 0, 1))
}
pub fn from_proto(proto: proto::TcpHost) -> Result<Self> {
Ok(Self {
port: proto.port.map(|p| p.try_into()).transpose()?,
host: proto.host.map(|h| h.parse()).transpose()?,
timeout: proto.timeout,
})
}
pub fn to_proto(&self) -> proto::TcpHost {
proto::TcpHost {
port: self.port.map(|p| p.into()),
host: self.host.map(|h| h.to_string()),
timeout: self.timeout,
}
}
}
/// Represents the attach request information of the debug adapter
#[derive(Default, Serialize, PartialEq, Eq, JsonSchema, Clone, Debug)]
pub struct AttachRequest {
/// The processId to attach to, if left empty we will show a process picker
pub process_id: Option<u32>,
}
impl<'de> Deserialize<'de> for AttachRequest {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
#[derive(Deserialize)]
struct Helper {
process_id: Option<u32>,
}
let helper = Helper::deserialize(deserializer)?;
// Skip creating an AttachRequest if process_id is None
if helper.process_id.is_none() {
return Err(serde::de::Error::custom("process_id is required"));
}
Ok(AttachRequest {
process_id: helper.process_id,
})
}
}
/// Represents the launch request information of the debug adapter
#[derive(Deserialize, Serialize, Default, PartialEq, Eq, JsonSchema, Clone, Debug)]
pub struct LaunchRequest {
/// The program that you trying to debug
pub program: String,
/// The current working directory of your project
#[serde(default)]
pub cwd: Option<PathBuf>,
/// Arguments to pass to a debugger
#[serde(default)]
pub args: Vec<String>,
#[serde(default)]
pub env: FxHashMap<String, String>,
}
impl LaunchRequest {
pub fn env_json(&self) -> serde_json::Value {
serde_json::Value::Object(
self.env
.iter()
.map(|(k, v)| (k.clone(), v.to_owned().into()))
.collect::<serde_json::Map<String, serde_json::Value>>(),
)
}
}
/// Represents the type that will determine which request to call on the debug adapter
#[derive(Deserialize, Serialize, PartialEq, Eq, JsonSchema, Clone, Debug)]
#[serde(rename_all = "lowercase", tag = "request")]
pub enum DebugRequest {
/// Call the `launch` request on the debug adapter
Launch(LaunchRequest),
/// Call the `attach` request on the debug adapter
Attach(AttachRequest),
}
impl DebugRequest {
pub fn to_proto(&self) -> proto::DebugRequest {
match self {
DebugRequest::Launch(launch_request) => proto::DebugRequest {
request: Some(proto::debug_request::Request::DebugLaunchRequest(
proto::DebugLaunchRequest {
program: launch_request.program.clone(),
cwd: launch_request
.cwd
.as_ref()
.map(|cwd| cwd.to_string_lossy().into_owned()),
args: launch_request.args.clone(),
env: launch_request
.env
.iter()
.map(|(k, v)| (k.clone(), v.clone()))
.collect(),
},
)),
},
DebugRequest::Attach(attach_request) => proto::DebugRequest {
request: Some(proto::debug_request::Request::DebugAttachRequest(
proto::DebugAttachRequest {
process_id: attach_request
.process_id
.expect("The process ID to be already filled out."),
},
)),
},
}
}
pub fn from_proto(val: proto::DebugRequest) -> Result<DebugRequest> {
let request = val.request.context("Missing debug request")?;
match request {
proto::debug_request::Request::DebugLaunchRequest(proto::DebugLaunchRequest {
program,
cwd,
args,
env,
}) => Ok(DebugRequest::Launch(LaunchRequest {
program,
cwd: cwd.map(From::from),
args,
env: env.into_iter().collect(),
})),
proto::debug_request::Request::DebugAttachRequest(proto::DebugAttachRequest {
process_id,
}) => Ok(DebugRequest::Attach(AttachRequest {
process_id: Some(process_id),
})),
}
}
}
impl From<LaunchRequest> for DebugRequest {
fn from(launch_config: LaunchRequest) -> Self {
DebugRequest::Launch(launch_config)
}
}
impl From<AttachRequest> for DebugRequest {
fn from(attach_config: AttachRequest) -> Self {
DebugRequest::Attach(attach_config)
}
}
#[derive(Serialize, PartialEq, Eq, JsonSchema, Clone, Debug)]
#[serde(untagged)]
pub enum BuildTaskDefinition {
ByName(SharedString),
Template {
#[serde(flatten)]
task_template: TaskTemplate,
#[serde(skip)]
locator_name: Option<SharedString>,
},
}
impl<'de> Deserialize<'de> for BuildTaskDefinition {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
#[derive(Deserialize)]
struct TemplateHelper {
#[serde(default)]
label: Option<String>,
#[serde(flatten)]
rest: serde_json::Value,
}
let value = serde_json::Value::deserialize(deserializer)?;
if let Ok(name) = serde_json::from_value::<SharedString>(value.clone()) {
return Ok(BuildTaskDefinition::ByName(name));
}
let helper: TemplateHelper =
serde_json::from_value(value).map_err(serde::de::Error::custom)?;
let mut template_value = helper.rest;
if let serde_json::Value::Object(ref mut map) = template_value {
map.insert(
"label".to_string(),
serde_json::to_value(helper.label.unwrap_or_else(|| "debug-build".to_owned()))
.map_err(serde::de::Error::custom)?,
);
}
let task_template: TaskTemplate =
serde_json::from_value(template_value).map_err(serde::de::Error::custom)?;
Ok(BuildTaskDefinition::Template {
task_template,
locator_name: None,
})
}
}
#[derive(Deserialize, Serialize, PartialEq, Eq, Clone, Debug, JsonSchema)]
pub enum Request {
Launch,
Attach,
}
/// This struct represent a user created debug task from the new process modal
#[derive(Deserialize, Serialize, PartialEq, Eq, Clone, Debug, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub struct ZedDebugConfig {
/// Name of the debug task
pub label: SharedString,
/// The debug adapter to use
pub adapter: SharedString,
#[serde(flatten)]
pub request: DebugRequest,
/// Whether to tell the debug adapter to stop on entry
#[serde(default, skip_serializing_if = "Option::is_none")]
pub stop_on_entry: Option<bool>,
}
/// This struct represent a user created debug task
#[derive(Deserialize, Serialize, PartialEq, Eq, Clone, Debug, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub struct DebugScenario {
pub adapter: SharedString,
/// Name of the debug task
pub label: SharedString,
/// A task to run prior to spawning the debugger.
#[serde(default, skip_serializing_if = "Option::is_none")]
pub build: Option<BuildTaskDefinition>,
/// The main arguments to be sent to the debug adapter
#[serde(default, flatten)]
pub config: serde_json::Value,
/// Optional TCP connection information
///
/// If provided, this will be used to connect to the debug adapter instead of
/// spawning a new process. This is useful for connecting to a debug adapter
/// that is already running or is started by another process.
#[serde(default, skip_serializing_if = "Option::is_none")]
pub tcp_connection: Option<TcpArgumentsTemplate>,
}
/// A group of Debug Tasks defined in a JSON file.
#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
#[serde(transparent)]
pub struct DebugTaskFile(pub Vec<DebugScenario>);
impl DebugTaskFile {
pub fn generate_json_schema(schemas: &AdapterSchemas) -> serde_json::Value {
let mut generator = schemars::generate::SchemaSettings::draft2019_09().into_generator();
let mut build_task_value = BuildTaskDefinition::json_schema(&mut generator).to_value();
if let Some(template_object) = build_task_value
.get_mut("anyOf")
.and_then(|array| array.as_array_mut())
.and_then(|array| array.get_mut(1))
{
if let Some(properties) = template_object
.get_mut("properties")
.and_then(|value| value.as_object_mut())
&& properties.remove("label").is_none()
{
debug_panic!(
"Generated TaskTemplate json schema did not have expected 'label' field. \
Schema of 2nd alternative is: {template_object:?}"
);
}
if let Some(arr) = template_object
.get_mut("required")
.and_then(|array| array.as_array_mut())
{
arr.retain(|v| v.as_str() != Some("label"));
}
} else {
debug_panic!(
"Generated TaskTemplate json schema did not match expectations. \
Schema is: {build_task_value:?}"
);
}
let adapter_conditions = schemas
.0
.iter()
.map(|adapter_schema| {
let adapter_name = adapter_schema.adapter.to_string();
add_new_subschema(
&mut generator,
&format!("{adapter_name}DebugSettings"),
serde_json::json!({
"if": {
"properties": {
"adapter": { "const": adapter_name }
}
},
"then": adapter_schema.schema
}),
)
})
.collect::<Vec<_>>();
let build_task_definition_ref = add_new_subschema(
&mut generator,
BuildTaskDefinition::schema_name().as_ref(),
build_task_value,
);
let meta_schema = generator
.settings()
.meta_schema
.as_ref()
.expect("meta_schema should be present in schemars settings")
.to_string();
serde_json::json!({
"$schema": meta_schema,
"title": "Debug Configurations",
"description": "Configuration for debug scenarios",
"type": "array",
"items": {
"type": "object",
"required": ["adapter", "label"],
// TODO: Uncommenting this will cause json-language-server to provide warnings for
// unrecognized properties. It should be enabled if/when there's an adapter JSON
// schema that's comprehensive. In order to not get warnings for the other schemas,
// `additionalProperties` or `unevaluatedProperties` (to handle "allOf" etc style
// schema combinations) could be set to `true` for that schema.
//
// "unevaluatedProperties": false,
"properties": {
"adapter": {
"type": "string",
"description": "The name of the debug adapter"
},
"label": {
"type": "string",
"description": "The name of the debug configuration"
},
"build": build_task_definition_ref,
"tcp_connection": {
"type": "object",
"description": "Optional TCP connection information for connecting to an already running debug adapter",
"properties": {
"port": {
"type": "integer",
"description": "The port that the debug adapter is listening on (default: auto-find open port)"
},
"host": {
"type": "string",
"pattern": "^((25[0-5]|(2[0-4]|1\\d|[1-9]|)\\d)\\.?\\b){4}$",
"description": "The host that the debug adapter is listening to (default: 127.0.0.1)"
},
"timeout": {
"type": "integer",
"description": "The max amount of time in milliseconds to connect to a tcp DAP before returning an error (default: 2000ms)"
}
}
}
},
"allOf": adapter_conditions
},
"$defs": generator.take_definitions(true),
})
}
}
#[cfg(test)]
mod tests {
use crate::DebugScenario;
use serde_json::json;
#[test]
fn test_just_build_args() {
let json = r#"{
"label": "Build & debug rust",
"adapter": "CodeLLDB",
"build": {
"command": "rust",
"args": ["build"]
}
}"#;
let deserialized: DebugScenario = serde_json::from_str(json).unwrap();
assert!(deserialized.build.is_some());
match deserialized.build.as_ref().unwrap() {
crate::BuildTaskDefinition::Template { task_template, .. } => {
assert_eq!("debug-build", task_template.label);
assert_eq!("rust", task_template.command);
assert_eq!(vec!["build"], task_template.args);
}
_ => panic!("Expected Template variant"),
}
assert_eq!(json!({}), deserialized.config);
assert_eq!("CodeLLDB", deserialized.adapter.as_ref());
assert_eq!("Build & debug rust", deserialized.label.as_ref());
}
#[test]
fn test_empty_scenario_has_none_request() {
let json = r#"{
"label": "Build & debug rust",
"build": "rust",
"adapter": "CodeLLDB"
}"#;
let deserialized: DebugScenario = serde_json::from_str(json).unwrap();
assert_eq!(json!({}), deserialized.config);
assert_eq!("CodeLLDB", deserialized.adapter.as_ref());
assert_eq!("Build & debug rust", deserialized.label.as_ref());
}
#[test]
fn test_launch_scenario_deserialization() {
let json = r#"{
"label": "Launch program",
"adapter": "CodeLLDB",
"request": "launch",
"program": "target/debug/myapp",
"args": ["--test"]
}"#;
let deserialized: DebugScenario = serde_json::from_str(json).unwrap();
assert_eq!(
json!({ "request": "launch", "program": "target/debug/myapp", "args": ["--test"] }),
deserialized.config
);
assert_eq!("CodeLLDB", deserialized.adapter.as_ref());
assert_eq!("Launch program", deserialized.label.as_ref());
}
#[test]
fn test_attach_scenario_deserialization() {
let json = r#"{
"label": "Attach to process",
"adapter": "CodeLLDB",
"process_id": 1234,
"request": "attach"
}"#;
let deserialized: DebugScenario = serde_json::from_str(json).unwrap();
assert_eq!(
json!({ "request": "attach", "process_id": 1234 }),
deserialized.config
);
assert_eq!("CodeLLDB", deserialized.adapter.as_ref());
assert_eq!("Attach to process", deserialized.label.as_ref());
}
#[test]
fn test_build_task_definition_without_label() {
use crate::BuildTaskDefinition;
let json = r#""my_build_task""#;
let deserialized: BuildTaskDefinition = serde_json::from_str(json).unwrap();
match deserialized {
BuildTaskDefinition::ByName(name) => assert_eq!("my_build_task", name.as_ref()),
_ => panic!("Expected ByName variant"),
}
let json = r#"{
"command": "cargo",
"args": ["build", "--release"]
}"#;
let deserialized: BuildTaskDefinition = serde_json::from_str(json).unwrap();
match deserialized {
BuildTaskDefinition::Template { task_template, .. } => {
assert_eq!("debug-build", task_template.label);
assert_eq!("cargo", task_template.command);
assert_eq!(vec!["build", "--release"], task_template.args);
}
_ => panic!("Expected Template variant"),
}
let json = r#"{
"label": "Build Release",
"command": "cargo",
"args": ["build", "--release"]
}"#;
let deserialized: BuildTaskDefinition = serde_json::from_str(json).unwrap();
match deserialized {
BuildTaskDefinition::Template { task_template, .. } => {
assert_eq!("Build Release", task_template.label);
assert_eq!("cargo", task_template.command);
assert_eq!(vec!["build", "--release"], task_template.args);
}
_ => panic!("Expected Template variant"),
}
}
}