1use std::{ops::Range, sync::Arc};
2
3use collections::{HashMap, HashSet};
4use editor::{
5 display_map::{BlockDisposition, BlockProperties, BlockStyle, CustomBlockId},
6 Editor,
7};
8use gpui::{AppContext, Model, View};
9use text::{Bias, ToOffset, ToPoint};
10use ui::{
11 div, h_flex, px, Color, Element as _, ParentElement as _, Styled, ViewContext, WindowContext,
12};
13
14use crate::{Context, ResolvedWorkflowStep, WorkflowSuggestion};
15
16type StepRange = Range<language::Anchor>;
17
18struct DebugInfo {
19 range: Range<editor::Anchor>,
20 block_id: CustomBlockId,
21}
22
23pub(crate) struct ContextInspector {
24 active_debug_views: HashMap<Range<language::Anchor>, DebugInfo>,
25 context: Model<Context>,
26 editor: View<Editor>,
27}
28
29impl ContextInspector {
30 pub(crate) fn new(editor: View<Editor>, context: Model<Context>) -> Self {
31 Self {
32 editor,
33 context,
34 active_debug_views: Default::default(),
35 }
36 }
37
38 pub(crate) fn is_active(&self, range: &StepRange) -> bool {
39 self.active_debug_views.contains_key(range)
40 }
41
42 pub(crate) fn refresh(&mut self, range: &StepRange, cx: &mut WindowContext<'_>) {
43 if self.deactivate_for(range, cx) {
44 self.activate_for_step(range.clone(), cx);
45 }
46 }
47 fn crease_content(
48 context: &Model<Context>,
49 range: StepRange,
50 cx: &mut AppContext,
51 ) -> Option<Arc<str>> {
52 use std::fmt::Write;
53 let step = context.read(cx).workflow_step_for_range(range)?;
54 let mut output = String::from("\n\n");
55 match &step.status {
56 crate::WorkflowStepStatus::Resolved(ResolvedWorkflowStep { title, suggestions }) => {
57 writeln!(output, "Resolution:").ok()?;
58 writeln!(output, " {title:?}").ok()?;
59 for (buffer, suggestion_groups) in suggestions {
60 let buffer = buffer.read(cx);
61 let buffer_path = buffer
62 .file()
63 .and_then(|file| file.path().to_str())
64 .unwrap_or("untitled");
65 let snapshot = buffer.text_snapshot();
66 writeln!(output, " {buffer_path}:").ok()?;
67 for group in suggestion_groups {
68 for suggestion in &group.suggestions {
69 pretty_print_workflow_suggestion(&mut output, suggestion, &snapshot);
70 }
71 }
72 }
73 }
74 crate::WorkflowStepStatus::Pending(_) => {
75 writeln!(output, "Resolution: Pending").ok()?;
76 }
77 crate::WorkflowStepStatus::Error(error) => {
78 writeln!(output, "Resolution: Error").ok()?;
79 writeln!(output, "{error:?}").ok()?;
80 }
81 }
82
83 Some(output.into())
84 }
85 pub(crate) fn activate_for_step(&mut self, range: StepRange, cx: &mut WindowContext<'_>) {
86 let text = Self::crease_content(&self.context, range.clone(), cx)
87 .unwrap_or_else(|| Arc::from("Error fetching debug info"));
88 self.editor.update(cx, |editor, cx| {
89 let buffer = editor.buffer().read(cx).as_singleton()?;
90 let snapshot = buffer.read(cx).text_snapshot();
91 let start_offset = range.end.to_offset(&snapshot) + 1;
92 let start_offset = snapshot.clip_offset(start_offset, Bias::Right);
93 let text_len = text.len();
94 buffer.update(cx, |this, cx| {
95 this.edit([(start_offset..start_offset, text)], None, cx);
96 });
97
98 let end_offset = start_offset + text_len;
99 let multibuffer_snapshot = editor.buffer().read(cx).snapshot(cx);
100 let anchor_before = multibuffer_snapshot.anchor_after(start_offset);
101 let anchor_after = multibuffer_snapshot.anchor_before(end_offset);
102
103 let block_id = editor
104 .insert_blocks(
105 [BlockProperties {
106 position: anchor_after,
107 height: 0,
108 style: BlockStyle::Sticky,
109 render: Box::new(move |cx| {
110 div()
111 .w_full()
112 .px(cx.gutter_dimensions.full_width())
113 .child(h_flex().h(px(1.)).bg(Color::Warning.color(cx)))
114 .into_any()
115 }),
116 disposition: BlockDisposition::Below,
117 priority: 0,
118 }],
119 None,
120 cx,
121 )
122 .into_iter()
123 .next()?;
124 let info = DebugInfo {
125 range: anchor_before..anchor_after,
126 block_id,
127 };
128 self.active_debug_views.insert(range, info);
129 Some(())
130 });
131 }
132
133 fn deactivate_impl(editor: &mut Editor, debug_data: DebugInfo, cx: &mut ViewContext<Editor>) {
134 editor.remove_blocks(HashSet::from_iter([debug_data.block_id]), None, cx);
135 editor.edit([(debug_data.range, Arc::<str>::default())], cx)
136 }
137 pub(crate) fn deactivate_for(&mut self, range: &StepRange, cx: &mut WindowContext<'_>) -> bool {
138 if let Some(debug_data) = self.active_debug_views.remove(range) {
139 self.editor.update(cx, |this, cx| {
140 Self::deactivate_impl(this, debug_data, cx);
141 });
142 true
143 } else {
144 false
145 }
146 }
147
148 pub(crate) fn deactivate(&mut self, cx: &mut WindowContext<'_>) {
149 let steps_to_disable = std::mem::take(&mut self.active_debug_views);
150
151 self.editor.update(cx, move |editor, cx| {
152 for (_, debug_data) in steps_to_disable {
153 Self::deactivate_impl(editor, debug_data, cx);
154 }
155 });
156 }
157}
158fn pretty_print_anchor(
159 out: &mut String,
160 anchor: &language::Anchor,
161 snapshot: &text::BufferSnapshot,
162) {
163 use std::fmt::Write;
164 let point = anchor.to_point(snapshot);
165 write!(out, "{}:{}", point.row, point.column).ok();
166}
167fn pretty_print_range(
168 out: &mut String,
169 range: &Range<language::Anchor>,
170 snapshot: &text::BufferSnapshot,
171) {
172 use std::fmt::Write;
173 write!(out, " Range: ").ok();
174 pretty_print_anchor(out, &range.start, snapshot);
175 write!(out, "..").ok();
176 pretty_print_anchor(out, &range.end, snapshot);
177}
178
179fn pretty_print_workflow_suggestion(
180 out: &mut String,
181 suggestion: &WorkflowSuggestion,
182 snapshot: &text::BufferSnapshot,
183) {
184 use std::fmt::Write;
185 let (range, description, position) = match suggestion {
186 WorkflowSuggestion::Update { range, description } => (Some(range), Some(description), None),
187 WorkflowSuggestion::CreateFile { description } => (None, Some(description), None),
188 WorkflowSuggestion::AppendChild {
189 position,
190 description,
191 }
192 | WorkflowSuggestion::InsertSiblingBefore {
193 position,
194 description,
195 }
196 | WorkflowSuggestion::InsertSiblingAfter {
197 position,
198 description,
199 }
200 | WorkflowSuggestion::PrependChild {
201 position,
202 description,
203 } => (None, Some(description), Some(position)),
204
205 WorkflowSuggestion::Delete { range } => (Some(range), None, None),
206 };
207 if let Some(description) = description {
208 writeln!(out, " Description: {description}").ok();
209 }
210 if let Some(range) = range {
211 pretty_print_range(out, range, snapshot);
212 }
213 if let Some(position) = position {
214 write!(out, " Position: ").ok();
215 pretty_print_anchor(out, position, snapshot);
216 write!(out, "\n").ok();
217 }
218 write!(out, "\n").ok();
219}