session.rs

  1pub mod running;
  2
  3use crate::{StackTraceView, persistence::SerializedLayout, session::running::DebugTerminal};
  4use dap::client::SessionId;
  5use gpui::{
  6    App, Axis, Entity, EventEmitter, FocusHandle, Focusable, Subscription, Task, WeakEntity,
  7};
  8use project::debugger::session::Session;
  9use project::worktree_store::WorktreeStore;
 10use project::{Project, debugger::session::SessionQuirks};
 11use rpc::proto;
 12use running::RunningState;
 13use std::cell::OnceCell;
 14use ui::prelude::*;
 15use workspace::{
 16    CollaboratorId, FollowableItem, ViewId, Workspace,
 17    item::{self, Item},
 18};
 19
 20pub struct DebugSession {
 21    remote_id: Option<workspace::ViewId>,
 22    pub(crate) running_state: Entity<RunningState>,
 23    pub(crate) quirks: SessionQuirks,
 24    stack_trace_view: OnceCell<Entity<StackTraceView>>,
 25    _worktree_store: WeakEntity<WorktreeStore>,
 26    workspace: WeakEntity<Workspace>,
 27    _subscriptions: [Subscription; 1],
 28}
 29
 30#[derive(Debug)]
 31pub enum DebugPanelItemEvent {
 32    Close,
 33    Stopped { go_to_stack_frame: bool },
 34}
 35
 36impl DebugSession {
 37    pub(crate) fn running(
 38        project: Entity<Project>,
 39        workspace: WeakEntity<Workspace>,
 40        parent_terminal: Option<Entity<DebugTerminal>>,
 41        session: Entity<Session>,
 42        serialized_layout: Option<SerializedLayout>,
 43        dock_axis: Axis,
 44        window: &mut Window,
 45        cx: &mut App,
 46    ) -> Entity<Self> {
 47        let running_state = cx.new(|cx| {
 48            RunningState::new(
 49                session.clone(),
 50                project.clone(),
 51                workspace.clone(),
 52                parent_terminal,
 53                serialized_layout,
 54                dock_axis,
 55                window,
 56                cx,
 57            )
 58        });
 59        let quirks = session.read(cx).quirks();
 60
 61        cx.new(|cx| Self {
 62            _subscriptions: [cx.subscribe(&running_state, |_, _, _, cx| {
 63                cx.notify();
 64            })],
 65            remote_id: None,
 66            running_state,
 67            quirks,
 68            stack_trace_view: OnceCell::new(),
 69            _worktree_store: project.read(cx).worktree_store().downgrade(),
 70            workspace,
 71        })
 72    }
 73
 74    pub(crate) fn session_id(&self, cx: &App) -> SessionId {
 75        self.running_state.read(cx).session_id()
 76    }
 77
 78    pub(crate) fn stack_trace_view(
 79        &mut self,
 80        project: &Entity<Project>,
 81        window: &mut Window,
 82        cx: &mut Context<Self>,
 83    ) -> &Entity<StackTraceView> {
 84        let workspace = self.workspace.clone();
 85        let running_state = self.running_state.clone();
 86
 87        self.stack_trace_view.get_or_init(|| {
 88            let stackframe_list = running_state.read(cx).stack_frame_list().clone();
 89
 90            let stack_frame_view = cx.new(|cx| {
 91                StackTraceView::new(
 92                    workspace.clone(),
 93                    project.clone(),
 94                    stackframe_list,
 95                    window,
 96                    cx,
 97                )
 98            });
 99
100            stack_frame_view
101        })
102    }
103
104    pub fn session(&self, cx: &App) -> Entity<Session> {
105        self.running_state.read(cx).session().clone()
106    }
107
108    pub(crate) fn shutdown(&mut self, cx: &mut Context<Self>) {
109        self.running_state
110            .update(cx, |state, cx| state.shutdown(cx));
111    }
112
113    pub(crate) fn label(&self, cx: &mut App) -> Option<SharedString> {
114        let session = self.running_state.read(cx).session().clone();
115        session.update(cx, |session, cx| {
116            let session_label = session.label();
117            let quirks = session.quirks();
118            let mut single_thread_name = || {
119                let threads = session.threads(cx);
120                match threads.as_slice() {
121                    [(thread, _)] => Some(SharedString::from(&thread.name)),
122                    _ => None,
123                }
124            };
125            if quirks.prefer_thread_name {
126                single_thread_name().or(session_label)
127            } else {
128                session_label.or_else(single_thread_name)
129            }
130        })
131    }
132
133    pub fn running_state(&self) -> &Entity<RunningState> {
134        &self.running_state
135    }
136}
137
138impl EventEmitter<DebugPanelItemEvent> for DebugSession {}
139
140impl Focusable for DebugSession {
141    fn focus_handle(&self, cx: &App) -> FocusHandle {
142        self.running_state.focus_handle(cx)
143    }
144}
145
146impl Item for DebugSession {
147    type Event = DebugPanelItemEvent;
148    fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
149        "Debugger".into()
150    }
151}
152
153impl FollowableItem for DebugSession {
154    fn remote_id(&self) -> Option<workspace::ViewId> {
155        self.remote_id
156    }
157
158    fn to_state_proto(&self, _window: &Window, _cx: &App) -> Option<proto::view::Variant> {
159        None
160    }
161
162    fn from_state_proto(
163        _workspace: Entity<Workspace>,
164        _remote_id: ViewId,
165        _state: &mut Option<proto::view::Variant>,
166        _window: &mut Window,
167        _cx: &mut App,
168    ) -> Option<gpui::Task<anyhow::Result<Entity<Self>>>> {
169        None
170    }
171
172    fn add_event_to_update_proto(
173        &self,
174        _event: &Self::Event,
175        _update: &mut Option<proto::update_view::Variant>,
176        _window: &Window,
177        _cx: &App,
178    ) -> bool {
179        // update.get_or_insert_with(|| proto::update_view::Variant::DebugPanel(Default::default()));
180
181        true
182    }
183
184    fn apply_update_proto(
185        &mut self,
186        _project: &Entity<project::Project>,
187        _message: proto::update_view::Variant,
188        _window: &mut Window,
189        _cx: &mut Context<Self>,
190    ) -> gpui::Task<anyhow::Result<()>> {
191        Task::ready(Ok(()))
192    }
193
194    fn set_leader_id(
195        &mut self,
196        _leader_id: Option<CollaboratorId>,
197        _window: &mut Window,
198        _cx: &mut Context<Self>,
199    ) {
200    }
201
202    fn to_follow_event(_event: &Self::Event) -> Option<workspace::item::FollowEvent> {
203        None
204    }
205
206    fn dedup(&self, existing: &Self, _window: &Window, cx: &App) -> Option<workspace::item::Dedup> {
207        if existing.session_id(cx) == self.session_id(cx) {
208            Some(item::Dedup::KeepExisting)
209        } else {
210            None
211        }
212    }
213
214    fn is_project_item(&self, _window: &Window, _cx: &App) -> bool {
215        true
216    }
217}
218
219impl Render for DebugSession {
220    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
221        self.running_state
222            .update(cx, |this, cx| this.render(window, cx).into_any_element())
223    }
224}