Move UI code from assistant_context_editor -> agent_ui (#33289)
This breaks a transitive dependency of `agent` on UI crates. I've also found and eliminated some dead code in assistant_context_editor. Release Notes: - N/A
This commit is contained in:
Max Brunsfeld
GitHub
parent
786e724684
commit
4cd4d28531
31 changed files with 144 additions and 455 deletions
352
crates/agent_ui/src/slash_command.rs
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352
crates/agent_ui/src/slash_command.rs
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@ -0,0 +1,352 @@
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use crate::text_thread_editor::TextThreadEditor;
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use anyhow::Result;
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pub use assistant_slash_command::SlashCommand;
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use assistant_slash_command::{AfterCompletion, SlashCommandLine, SlashCommandWorkingSet};
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use editor::{CompletionProvider, Editor, ExcerptId};
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use fuzzy::{StringMatchCandidate, match_strings};
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use gpui::{App, AppContext as _, Context, Entity, Task, WeakEntity, Window};
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use language::{Anchor, Buffer, ToPoint};
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use parking_lot::Mutex;
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use project::{CompletionIntent, CompletionSource, lsp_store::CompletionDocumentation};
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use rope::Point;
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use std::{
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ops::Range,
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sync::{
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Arc,
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atomic::{AtomicBool, Ordering::SeqCst},
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},
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};
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use workspace::Workspace;
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pub struct SlashCommandCompletionProvider {
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cancel_flag: Mutex<Arc<AtomicBool>>,
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slash_commands: Arc<SlashCommandWorkingSet>,
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editor: Option<WeakEntity<TextThreadEditor>>,
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workspace: Option<WeakEntity<Workspace>>,
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}
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impl SlashCommandCompletionProvider {
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pub fn new(
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slash_commands: Arc<SlashCommandWorkingSet>,
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editor: Option<WeakEntity<TextThreadEditor>>,
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workspace: Option<WeakEntity<Workspace>>,
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) -> Self {
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Self {
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cancel_flag: Mutex::new(Arc::new(AtomicBool::new(false))),
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slash_commands,
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editor,
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workspace,
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}
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}
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fn complete_command_name(
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&self,
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command_name: &str,
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command_range: Range<Anchor>,
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name_range: Range<Anchor>,
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window: &mut Window,
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cx: &mut App,
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) -> Task<Result<Vec<project::CompletionResponse>>> {
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let slash_commands = self.slash_commands.clone();
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let candidates = slash_commands
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.command_names(cx)
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.into_iter()
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.enumerate()
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.map(|(ix, def)| StringMatchCandidate::new(ix, &def))
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.collect::<Vec<_>>();
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let command_name = command_name.to_string();
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let editor = self.editor.clone();
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let workspace = self.workspace.clone();
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window.spawn(cx, async move |cx| {
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let matches = match_strings(
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&candidates,
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&command_name,
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true,
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true,
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usize::MAX,
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&Default::default(),
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cx.background_executor().clone(),
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)
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.await;
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cx.update(|_, cx| {
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let completions = matches
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.into_iter()
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.filter_map(|mat| {
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let command = slash_commands.command(&mat.string, cx)?;
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let mut new_text = mat.string.clone();
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let requires_argument = command.requires_argument();
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let accepts_arguments = command.accepts_arguments();
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if requires_argument || accepts_arguments {
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new_text.push(' ');
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}
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let confirm =
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editor
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.clone()
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.zip(workspace.clone())
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.map(|(editor, workspace)| {
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let command_name = mat.string.clone();
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let command_range = command_range.clone();
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let editor = editor.clone();
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let workspace = workspace.clone();
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Arc::new(
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move |intent: CompletionIntent,
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window: &mut Window,
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cx: &mut App| {
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if !requires_argument
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&& (!accepts_arguments || intent.is_complete())
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{
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editor
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.update(cx, |editor, cx| {
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editor.run_command(
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command_range.clone(),
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&command_name,
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&[],
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true,
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workspace.clone(),
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window,
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cx,
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);
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})
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.ok();
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false
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} else {
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requires_argument || accepts_arguments
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}
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},
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) as Arc<_>
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});
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Some(project::Completion {
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replace_range: name_range.clone(),
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documentation: Some(CompletionDocumentation::SingleLine(
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command.description().into(),
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)),
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new_text,
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label: command.label(cx),
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icon_path: None,
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insert_text_mode: None,
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confirm,
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source: CompletionSource::Custom,
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})
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})
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.collect();
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vec![project::CompletionResponse {
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completions,
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is_incomplete: false,
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}]
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})
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})
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}
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fn complete_command_argument(
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&self,
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command_name: &str,
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arguments: &[String],
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command_range: Range<Anchor>,
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argument_range: Range<Anchor>,
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last_argument_range: Range<Anchor>,
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window: &mut Window,
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cx: &mut App,
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) -> Task<Result<Vec<project::CompletionResponse>>> {
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let new_cancel_flag = Arc::new(AtomicBool::new(false));
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let mut flag = self.cancel_flag.lock();
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flag.store(true, SeqCst);
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*flag = new_cancel_flag.clone();
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if let Some(command) = self.slash_commands.command(command_name, cx) {
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let completions = command.complete_argument(
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arguments,
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new_cancel_flag.clone(),
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self.workspace.clone(),
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window,
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cx,
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);
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let command_name: Arc<str> = command_name.into();
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let editor = self.editor.clone();
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let workspace = self.workspace.clone();
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let arguments = arguments.to_vec();
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cx.background_spawn(async move {
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let completions = completions
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.await?
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.into_iter()
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.map(|new_argument| {
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let confirm =
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editor
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.clone()
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.zip(workspace.clone())
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.map(|(editor, workspace)| {
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Arc::new({
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let mut completed_arguments = arguments.clone();
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if new_argument.replace_previous_arguments {
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completed_arguments.clear();
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} else {
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completed_arguments.pop();
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}
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completed_arguments.push(new_argument.new_text.clone());
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let command_range = command_range.clone();
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let command_name = command_name.clone();
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move |intent: CompletionIntent,
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window: &mut Window,
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cx: &mut App| {
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if new_argument.after_completion.run()
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|| intent.is_complete()
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{
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editor
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.update(cx, |editor, cx| {
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editor.run_command(
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command_range.clone(),
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&command_name,
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&completed_arguments,
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true,
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workspace.clone(),
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window,
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cx,
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);
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})
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.ok();
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false
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} else {
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!new_argument.after_completion.run()
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}
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}
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}) as Arc<_>
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});
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let mut new_text = new_argument.new_text.clone();
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if new_argument.after_completion == AfterCompletion::Continue {
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new_text.push(' ');
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}
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project::Completion {
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replace_range: if new_argument.replace_previous_arguments {
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argument_range.clone()
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} else {
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last_argument_range.clone()
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},
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label: new_argument.label,
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icon_path: None,
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new_text,
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documentation: None,
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confirm,
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insert_text_mode: None,
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source: CompletionSource::Custom,
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}
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})
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.collect();
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Ok(vec![project::CompletionResponse {
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completions,
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// TODO: Could have slash commands indicate whether their completions are incomplete.
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is_incomplete: true,
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}])
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})
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} else {
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Task::ready(Ok(vec![project::CompletionResponse {
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completions: Vec::new(),
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is_incomplete: true,
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}]))
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}
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}
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}
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impl CompletionProvider for SlashCommandCompletionProvider {
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fn completions(
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&self,
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_excerpt_id: ExcerptId,
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buffer: &Entity<Buffer>,
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buffer_position: Anchor,
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_: editor::CompletionContext,
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window: &mut Window,
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cx: &mut Context<Editor>,
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) -> Task<Result<Vec<project::CompletionResponse>>> {
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let Some((name, arguments, command_range, last_argument_range)) =
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buffer.update(cx, |buffer, _cx| {
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let position = buffer_position.to_point(buffer);
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let line_start = Point::new(position.row, 0);
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let mut lines = buffer.text_for_range(line_start..position).lines();
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let line = lines.next()?;
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let call = SlashCommandLine::parse(line)?;
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let command_range_start = Point::new(position.row, call.name.start as u32 - 1);
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let command_range_end = Point::new(
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position.row,
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call.arguments.last().map_or(call.name.end, |arg| arg.end) as u32,
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);
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let command_range = buffer.anchor_before(command_range_start)
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..buffer.anchor_after(command_range_end);
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let name = line[call.name.clone()].to_string();
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let (arguments, last_argument_range) = if let Some(argument) = call.arguments.last()
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{
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let last_arg_start =
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buffer.anchor_before(Point::new(position.row, argument.start as u32));
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let first_arg_start = call.arguments.first().expect("we have the last element");
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let first_arg_start = buffer
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.anchor_before(Point::new(position.row, first_arg_start.start as u32));
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let arguments = call
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.arguments
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.into_iter()
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.filter_map(|argument| Some(line.get(argument)?.to_string()))
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.collect::<Vec<_>>();
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let argument_range = first_arg_start..buffer_position;
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(
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Some((arguments, argument_range)),
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last_arg_start..buffer_position,
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)
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} else {
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let start =
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buffer.anchor_before(Point::new(position.row, call.name.start as u32));
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(None, start..buffer_position)
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};
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Some((name, arguments, command_range, last_argument_range))
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})
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else {
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return Task::ready(Ok(vec![project::CompletionResponse {
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completions: Vec::new(),
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is_incomplete: false,
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}]));
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};
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if let Some((arguments, argument_range)) = arguments {
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self.complete_command_argument(
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&name,
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&arguments,
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command_range,
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argument_range,
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last_argument_range,
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window,
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cx,
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)
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} else {
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self.complete_command_name(&name, command_range, last_argument_range, window, cx)
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}
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}
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fn is_completion_trigger(
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&self,
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buffer: &Entity<Buffer>,
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position: language::Anchor,
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_text: &str,
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_trigger_in_words: bool,
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_menu_is_open: bool,
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cx: &mut Context<Editor>,
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) -> bool {
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let buffer = buffer.read(cx);
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let position = position.to_point(buffer);
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let line_start = Point::new(position.row, 0);
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let mut lines = buffer.text_for_range(line_start..position).lines();
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if let Some(line) = lines.next() {
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SlashCommandLine::parse(line).is_some()
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} else {
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false
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}
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}
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fn sort_completions(&self) -> bool {
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false
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}
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}
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