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-rw-r--r--helix-term/src/commands/typed.rs1465
1 files changed, 1465 insertions, 0 deletions
diff --git a/helix-term/src/commands/typed.rs b/helix-term/src/commands/typed.rs
new file mode 100644
index 00000000..4cc996d6
--- /dev/null
+++ b/helix-term/src/commands/typed.rs
@@ -0,0 +1,1465 @@
+use super::*;
+
+use helix_view::editor::Action;
+use ui::completers::{self, Completer};
+
+#[derive(Clone)]
+pub struct TypableCommand {
+ pub name: &'static str,
+ pub aliases: &'static [&'static str],
+ pub doc: &'static str,
+ // params, flags, helper, completer
+ pub fun: fn(&mut compositor::Context, &[Cow<str>], PromptEvent) -> anyhow::Result<()>,
+ pub completer: Option<Completer>,
+}
+
+fn quit(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ // last view and we have unsaved changes
+ if cx.editor.tree.views().count() == 1 {
+ buffers_remaining_impl(cx.editor)?
+ }
+
+ cx.editor.close(view!(cx.editor).id);
+
+ Ok(())
+}
+
+fn force_quit(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ cx.editor.close(view!(cx.editor).id);
+
+ Ok(())
+}
+
+fn open(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ ensure!(!args.is_empty(), "wrong argument count");
+ for arg in args {
+ let (path, pos) = args::parse_file(arg);
+ let _ = cx.editor.open(path, Action::Replace)?;
+ let (view, doc) = current!(cx.editor);
+ let pos = Selection::point(pos_at_coords(doc.text().slice(..), pos, true));
+ doc.set_selection(view.id, pos);
+ // does not affect opening a buffer without pos
+ align_view(doc, view, Align::Center);
+ }
+ Ok(())
+}
+
+fn buffer_close_by_ids_impl(
+ editor: &mut Editor,
+ doc_ids: &[DocumentId],
+ force: bool,
+) -> anyhow::Result<()> {
+ for &doc_id in doc_ids {
+ editor.close_document(doc_id, force)?;
+ }
+
+ Ok(())
+}
+
+fn buffer_gather_paths_impl(editor: &mut Editor, args: &[Cow<str>]) -> Vec<DocumentId> {
+ // No arguments implies current document
+ if args.is_empty() {
+ let doc_id = view!(editor).doc;
+ return vec![doc_id];
+ }
+
+ let mut nonexistent_buffers = vec![];
+ let mut document_ids = vec![];
+ for arg in args {
+ let doc_id = editor.documents().find_map(|doc| {
+ let arg_path = Some(Path::new(arg.as_ref()));
+ if doc.path().map(|p| p.as_path()) == arg_path
+ || doc.relative_path().as_deref() == arg_path
+ {
+ Some(doc.id())
+ } else {
+ None
+ }
+ });
+
+ match doc_id {
+ Some(doc_id) => document_ids.push(doc_id),
+ None => nonexistent_buffers.push(format!("'{}'", arg)),
+ }
+ }
+
+ if !nonexistent_buffers.is_empty() {
+ editor.set_error(format!(
+ "cannot close non-existent buffers: {}",
+ nonexistent_buffers.join(", ")
+ ));
+ }
+
+ document_ids
+}
+
+fn buffer_close(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let document_ids = buffer_gather_paths_impl(cx.editor, args);
+ buffer_close_by_ids_impl(cx.editor, &document_ids, false)
+}
+
+fn force_buffer_close(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let document_ids = buffer_gather_paths_impl(cx.editor, args);
+ buffer_close_by_ids_impl(cx.editor, &document_ids, true)
+}
+
+fn buffer_gather_others_impl(editor: &mut Editor) -> Vec<DocumentId> {
+ let current_document = &doc!(editor).id();
+ editor
+ .documents()
+ .map(|doc| doc.id())
+ .filter(|doc_id| doc_id != current_document)
+ .collect()
+}
+
+fn buffer_close_others(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let document_ids = buffer_gather_others_impl(cx.editor);
+ buffer_close_by_ids_impl(cx.editor, &document_ids, false)
+}
+
+fn force_buffer_close_others(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let document_ids = buffer_gather_others_impl(cx.editor);
+ buffer_close_by_ids_impl(cx.editor, &document_ids, true)
+}
+
+fn buffer_gather_all_impl(editor: &mut Editor) -> Vec<DocumentId> {
+ editor.documents().map(|doc| doc.id()).collect()
+}
+
+fn buffer_close_all(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let document_ids = buffer_gather_all_impl(cx.editor);
+ buffer_close_by_ids_impl(cx.editor, &document_ids, false)
+}
+
+fn force_buffer_close_all(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let document_ids = buffer_gather_all_impl(cx.editor);
+ buffer_close_by_ids_impl(cx.editor, &document_ids, true)
+}
+
+fn write_impl(cx: &mut compositor::Context, path: Option<&Cow<str>>) -> anyhow::Result<()> {
+ let jobs = &mut cx.jobs;
+ let doc = doc_mut!(cx.editor);
+
+ if let Some(ref path) = path {
+ doc.set_path(Some(path.as_ref().as_ref()))
+ .context("invalid filepath")?;
+ }
+ if doc.path().is_none() {
+ bail!("cannot write a buffer without a filename");
+ }
+ let fmt = doc.auto_format().map(|fmt| {
+ let shared = fmt.shared();
+ let callback = make_format_callback(
+ doc.id(),
+ doc.version(),
+ Modified::SetUnmodified,
+ shared.clone(),
+ );
+ jobs.callback(callback);
+ shared
+ });
+ let future = doc.format_and_save(fmt);
+ cx.jobs.add(Job::new(future).wait_before_exiting());
+
+ if path.is_some() {
+ let id = doc.id();
+ let _ = cx.editor.refresh_language_server(id);
+ }
+ Ok(())
+}
+
+fn write(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ write_impl(cx, args.first())
+}
+
+fn new_file(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ cx.editor.new_file(Action::Replace);
+
+ Ok(())
+}
+
+fn format(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let doc = doc!(cx.editor);
+ if let Some(format) = doc.format() {
+ let callback =
+ make_format_callback(doc.id(), doc.version(), Modified::LeaveModified, format);
+ cx.jobs.callback(callback);
+ }
+
+ Ok(())
+}
+fn set_indent_style(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ use IndentStyle::*;
+
+ // If no argument, report current indent style.
+ if args.is_empty() {
+ let style = doc!(cx.editor).indent_style;
+ cx.editor.set_status(match style {
+ Tabs => "tabs".to_owned(),
+ Spaces(1) => "1 space".to_owned(),
+ Spaces(n) if (2..=8).contains(&n) => format!("{} spaces", n),
+ _ => unreachable!(), // Shouldn't happen.
+ });
+ return Ok(());
+ }
+
+ // Attempt to parse argument as an indent style.
+ let style = match args.get(0) {
+ Some(arg) if "tabs".starts_with(&arg.to_lowercase()) => Some(Tabs),
+ Some(Cow::Borrowed("0")) => Some(Tabs),
+ Some(arg) => arg
+ .parse::<u8>()
+ .ok()
+ .filter(|n| (1..=8).contains(n))
+ .map(Spaces),
+ _ => None,
+ };
+
+ let style = style.context("invalid indent style")?;
+ let doc = doc_mut!(cx.editor);
+ doc.indent_style = style;
+
+ Ok(())
+}
+
+/// Sets or reports the current document's line ending setting.
+fn set_line_ending(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ use LineEnding::*;
+
+ // If no argument, report current line ending setting.
+ if args.is_empty() {
+ let line_ending = doc!(cx.editor).line_ending;
+ cx.editor.set_status(match line_ending {
+ Crlf => "crlf",
+ LF => "line feed",
+ FF => "form feed",
+ CR => "carriage return",
+ Nel => "next line",
+
+ // These should never be a document's default line ending.
+ VT | LS | PS => "error",
+ });
+
+ return Ok(());
+ }
+
+ let arg = args
+ .get(0)
+ .context("argument missing")?
+ .to_ascii_lowercase();
+
+ // Attempt to parse argument as a line ending.
+ let line_ending = match arg {
+ // We check for CR first because it shares a common prefix with CRLF.
+ arg if arg.starts_with("cr") => CR,
+ arg if arg.starts_with("crlf") => Crlf,
+ arg if arg.starts_with("lf") => LF,
+ arg if arg.starts_with("ff") => FF,
+ arg if arg.starts_with("nel") => Nel,
+ _ => bail!("invalid line ending"),
+ };
+
+ doc_mut!(cx.editor).line_ending = line_ending;
+ Ok(())
+}
+
+fn earlier(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let uk = args.join(" ").parse::<UndoKind>().map_err(|s| anyhow!(s))?;
+
+ let (view, doc) = current!(cx.editor);
+ let success = doc.earlier(view.id, uk);
+ if !success {
+ cx.editor.set_status("Already at oldest change");
+ }
+
+ Ok(())
+}
+
+fn later(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let uk = args.join(" ").parse::<UndoKind>().map_err(|s| anyhow!(s))?;
+ let (view, doc) = current!(cx.editor);
+ let success = doc.later(view.id, uk);
+ if !success {
+ cx.editor.set_status("Already at newest change");
+ }
+
+ Ok(())
+}
+
+fn write_quit(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ event: PromptEvent,
+) -> anyhow::Result<()> {
+ write_impl(cx, args.first())?;
+ quit(cx, &[], event)
+}
+
+fn force_write_quit(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ event: PromptEvent,
+) -> anyhow::Result<()> {
+ write_impl(cx, args.first())?;
+ force_quit(cx, &[], event)
+}
+
+/// Results an error if there are modified buffers remaining and sets editor error,
+/// otherwise returns `Ok(())`
+pub(super) fn buffers_remaining_impl(editor: &mut Editor) -> anyhow::Result<()> {
+ let modified: Vec<_> = editor
+ .documents()
+ .filter(|doc| doc.is_modified())
+ .map(|doc| {
+ doc.relative_path()
+ .map(|path| path.to_string_lossy().to_string())
+ .unwrap_or_else(|| SCRATCH_BUFFER_NAME.into())
+ })
+ .collect();
+ if !modified.is_empty() {
+ bail!(
+ "{} unsaved buffer(s) remaining: {:?}",
+ modified.len(),
+ modified
+ );
+ }
+ Ok(())
+}
+
+fn write_all_impl(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+ quit: bool,
+ force: bool,
+) -> anyhow::Result<()> {
+ let mut errors = String::new();
+ let jobs = &mut cx.jobs;
+ // save all documents
+ for doc in &mut cx.editor.documents.values_mut() {
+ if doc.path().is_none() {
+ errors.push_str("cannot write a buffer without a filename\n");
+ continue;
+ }
+
+ if !doc.is_modified() {
+ continue;
+ }
+
+ let fmt = doc.auto_format().map(|fmt| {
+ let shared = fmt.shared();
+ let callback = make_format_callback(
+ doc.id(),
+ doc.version(),
+ Modified::SetUnmodified,
+ shared.clone(),
+ );
+ jobs.callback(callback);
+ shared
+ });
+ let future = doc.format_and_save(fmt);
+ jobs.add(Job::new(future).wait_before_exiting());
+ }
+
+ if quit {
+ if !force {
+ buffers_remaining_impl(cx.editor)?;
+ }
+
+ // close all views
+ let views: Vec<_> = cx.editor.tree.views().map(|(view, _)| view.id).collect();
+ for view_id in views {
+ cx.editor.close(view_id);
+ }
+ }
+
+ bail!(errors)
+}
+
+fn write_all(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ event: PromptEvent,
+) -> anyhow::Result<()> {
+ write_all_impl(cx, args, event, false, false)
+}
+
+fn write_all_quit(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ event: PromptEvent,
+) -> anyhow::Result<()> {
+ write_all_impl(cx, args, event, true, false)
+}
+
+fn force_write_all_quit(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ event: PromptEvent,
+) -> anyhow::Result<()> {
+ write_all_impl(cx, args, event, true, true)
+}
+
+fn quit_all_impl(editor: &mut Editor, force: bool) -> anyhow::Result<()> {
+ if !force {
+ buffers_remaining_impl(editor)?;
+ }
+
+ // close all views
+ let views: Vec<_> = editor.tree.views().map(|(view, _)| view.id).collect();
+ for view_id in views {
+ editor.close(view_id);
+ }
+
+ Ok(())
+}
+
+fn quit_all(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ quit_all_impl(cx.editor, false)
+}
+
+fn force_quit_all(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ quit_all_impl(cx.editor, true)
+}
+
+fn cquit(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let exit_code = args
+ .first()
+ .and_then(|code| code.parse::<i32>().ok())
+ .unwrap_or(1);
+ cx.editor.exit_code = exit_code;
+
+ quit_all_impl(cx.editor, false)
+}
+
+fn force_cquit(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let exit_code = args
+ .first()
+ .and_then(|code| code.parse::<i32>().ok())
+ .unwrap_or(1);
+ cx.editor.exit_code = exit_code;
+
+ quit_all_impl(cx.editor, true)
+}
+
+fn theme(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let theme = args.first().context("Theme not provided")?;
+ let theme = cx
+ .editor
+ .theme_loader
+ .load(theme)
+ .with_context(|| format!("Failed setting theme {}", theme))?;
+ let true_color = cx.editor.config.true_color || crate::true_color();
+ if !(true_color || theme.is_16_color()) {
+ bail!("Unsupported theme: theme requires true color support");
+ }
+ cx.editor.set_theme(theme);
+ Ok(())
+}
+
+fn yank_main_selection_to_clipboard(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ yank_main_selection_to_clipboard_impl(cx.editor, ClipboardType::Clipboard)
+}
+
+fn yank_joined_to_clipboard(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let doc = doc!(cx.editor);
+ let default_sep = Cow::Borrowed(doc.line_ending.as_str());
+ let separator = args.first().unwrap_or(&default_sep);
+ yank_joined_to_clipboard_impl(cx.editor, separator, ClipboardType::Clipboard)
+}
+
+fn yank_main_selection_to_primary_clipboard(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ yank_main_selection_to_clipboard_impl(cx.editor, ClipboardType::Selection)
+}
+
+fn yank_joined_to_primary_clipboard(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let doc = doc!(cx.editor);
+ let default_sep = Cow::Borrowed(doc.line_ending.as_str());
+ let separator = args.first().unwrap_or(&default_sep);
+ yank_joined_to_clipboard_impl(cx.editor, separator, ClipboardType::Selection)
+}
+
+fn paste_clipboard_after(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ paste_clipboard_impl(cx.editor, Paste::After, ClipboardType::Clipboard, 1)
+}
+
+fn paste_clipboard_before(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ paste_clipboard_impl(cx.editor, Paste::After, ClipboardType::Clipboard, 1)
+}
+
+fn paste_primary_clipboard_after(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ paste_clipboard_impl(cx.editor, Paste::After, ClipboardType::Selection, 1)
+}
+
+fn paste_primary_clipboard_before(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ paste_clipboard_impl(cx.editor, Paste::After, ClipboardType::Selection, 1)
+}
+
+fn replace_selections_with_clipboard_impl(
+ cx: &mut compositor::Context,
+ clipboard_type: ClipboardType,
+) -> anyhow::Result<()> {
+ let (view, doc) = current!(cx.editor);
+
+ match cx.editor.clipboard_provider.get_contents(clipboard_type) {
+ Ok(contents) => {
+ let selection = doc.selection(view.id);
+ let transaction = Transaction::change_by_selection(doc.text(), selection, |range| {
+ (range.from(), range.to(), Some(contents.as_str().into()))
+ });
+
+ doc.apply(&transaction, view.id);
+ doc.append_changes_to_history(view.id);
+ Ok(())
+ }
+ Err(e) => Err(e.context("Couldn't get system clipboard contents")),
+ }
+}
+
+fn replace_selections_with_clipboard(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ replace_selections_with_clipboard_impl(cx, ClipboardType::Clipboard)
+}
+
+fn replace_selections_with_primary_clipboard(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ replace_selections_with_clipboard_impl(cx, ClipboardType::Selection)
+}
+
+fn show_clipboard_provider(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ cx.editor
+ .set_status(cx.editor.clipboard_provider.name().to_string());
+ Ok(())
+}
+
+fn change_current_directory(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let dir = helix_core::path::expand_tilde(
+ args.first()
+ .context("target directory not provided")?
+ .as_ref()
+ .as_ref(),
+ );
+
+ if let Err(e) = std::env::set_current_dir(dir) {
+ bail!("Couldn't change the current working directory: {}", e);
+ }
+
+ let cwd = std::env::current_dir().context("Couldn't get the new working directory")?;
+ cx.editor.set_status(format!(
+ "Current working directory is now {}",
+ cwd.display()
+ ));
+ Ok(())
+}
+
+fn show_current_directory(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let cwd = std::env::current_dir().context("Couldn't get the new working directory")?;
+ cx.editor
+ .set_status(format!("Current working directory is {}", cwd.display()));
+ Ok(())
+}
+
+/// Sets the [`Document`]'s encoding..
+fn set_encoding(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let doc = doc_mut!(cx.editor);
+ if let Some(label) = args.first() {
+ doc.set_encoding(label)
+ } else {
+ let encoding = doc.encoding().name().to_owned();
+ cx.editor.set_status(encoding);
+ Ok(())
+ }
+}
+
+/// Reload the [`Document`] from its source file.
+fn reload(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let (view, doc) = current!(cx.editor);
+ doc.reload(view.id)
+}
+
+fn tree_sitter_scopes(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let (view, doc) = current!(cx.editor);
+ let text = doc.text().slice(..);
+
+ let pos = doc.selection(view.id).primary().cursor(text);
+ let scopes = indent::get_scopes(doc.syntax(), text, pos);
+ cx.editor.set_status(format!("scopes: {:?}", &scopes));
+ Ok(())
+}
+
+fn vsplit(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let id = view!(cx.editor).doc;
+
+ if args.is_empty() {
+ cx.editor.switch(id, Action::VerticalSplit);
+ } else {
+ for arg in args {
+ cx.editor
+ .open(PathBuf::from(arg.as_ref()), Action::VerticalSplit)?;
+ }
+ }
+
+ Ok(())
+}
+
+fn hsplit(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let id = view!(cx.editor).doc;
+
+ if args.is_empty() {
+ cx.editor.switch(id, Action::HorizontalSplit);
+ } else {
+ for arg in args {
+ cx.editor
+ .open(PathBuf::from(arg.as_ref()), Action::HorizontalSplit)?;
+ }
+ }
+
+ Ok(())
+}
+
+fn debug_eval(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ if let Some(debugger) = cx.editor.debugger.as_mut() {
+ let (frame, thread_id) = match (debugger.active_frame, debugger.thread_id) {
+ (Some(frame), Some(thread_id)) => (frame, thread_id),
+ _ => {
+ bail!("Cannot find current stack frame to access variables")
+ }
+ };
+
+ // TODO: support no frame_id
+
+ let frame_id = debugger.stack_frames[&thread_id][frame].id;
+ let response = helix_lsp::block_on(debugger.eval(args.join(" "), Some(frame_id)))?;
+ cx.editor.set_status(response.result);
+ }
+ Ok(())
+}
+
+fn debug_start(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let mut args = args.to_owned();
+ let name = match args.len() {
+ 0 => None,
+ _ => Some(args.remove(0)),
+ };
+ dap_start_impl(cx, name.as_deref(), None, Some(args))
+}
+
+fn debug_remote(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let mut args = args.to_owned();
+ let address = match args.len() {
+ 0 => None,
+ _ => Some(args.remove(0).parse()?),
+ };
+ let name = match args.len() {
+ 0 => None,
+ _ => Some(args.remove(0)),
+ };
+ dap_start_impl(cx, name.as_deref(), address, Some(args))
+}
+
+fn tutor(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let path = helix_core::runtime_dir().join("tutor.txt");
+ cx.editor.open(path, Action::Replace)?;
+ // Unset path to prevent accidentally saving to the original tutor file.
+ doc_mut!(cx.editor).set_path(None)?;
+ Ok(())
+}
+
+pub(super) fn goto_line_number(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ ensure!(!args.is_empty(), "Line number required");
+
+ let line = args[0].parse::<usize>()?;
+
+ goto_line_impl(cx.editor, NonZeroUsize::new(line));
+
+ let (view, doc) = current!(cx.editor);
+
+ view.ensure_cursor_in_view(doc, line);
+ Ok(())
+}
+
+fn setting(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let runtime_config = &mut cx.editor.config;
+
+ if args.len() != 2 {
+ anyhow::bail!("Bad arguments. Usage: `:set key field`");
+ }
+
+ let (key, arg) = (&args[0].to_lowercase(), &args[1]);
+
+ match key.as_ref() {
+ "scrolloff" => runtime_config.scrolloff = arg.parse()?,
+ "scroll-lines" => runtime_config.scroll_lines = arg.parse()?,
+ "mouse" => runtime_config.mouse = arg.parse()?,
+ "line-number" => runtime_config.line_number = arg.parse()?,
+ "middle-click_paste" => runtime_config.middle_click_paste = arg.parse()?,
+ "auto-pairs" => runtime_config.auto_pairs = arg.parse()?,
+ "auto-completion" => runtime_config.auto_completion = arg.parse()?,
+ "completion-trigger-len" => runtime_config.completion_trigger_len = arg.parse()?,
+ "auto-info" => runtime_config.auto_info = arg.parse()?,
+ "true-color" => runtime_config.true_color = arg.parse()?,
+ "search.smart-case" => runtime_config.search.smart_case = arg.parse()?,
+ "search.wrap-around" => runtime_config.search.wrap_around = arg.parse()?,
+ _ => anyhow::bail!("Unknown key `{}`.", args[0]),
+ }
+
+ Ok(())
+}
+
+fn sort(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ sort_impl(cx, args, false)
+}
+
+fn sort_reverse(
+ cx: &mut compositor::Context,
+ args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ sort_impl(cx, args, true)
+}
+
+fn sort_impl(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ reverse: bool,
+) -> anyhow::Result<()> {
+ let (view, doc) = current!(cx.editor);
+ let text = doc.text().slice(..);
+
+ let selection = doc.selection(view.id);
+
+ let mut fragments: Vec<_> = selection
+ .fragments(text)
+ .map(|fragment| Tendril::from(fragment.as_ref()))
+ .collect();
+
+ fragments.sort_by(match reverse {
+ true => |a: &Tendril, b: &Tendril| b.cmp(a),
+ false => |a: &Tendril, b: &Tendril| a.cmp(b),
+ });
+
+ let transaction = Transaction::change(
+ doc.text(),
+ selection
+ .into_iter()
+ .zip(fragments)
+ .map(|(s, fragment)| (s.from(), s.to(), Some(fragment))),
+ );
+
+ doc.apply(&transaction, view.id);
+ doc.append_changes_to_history(view.id);
+
+ Ok(())
+}
+
+fn tree_sitter_subtree(
+ cx: &mut compositor::Context,
+ _args: &[Cow<str>],
+ _event: PromptEvent,
+) -> anyhow::Result<()> {
+ let (view, doc) = current!(cx.editor);
+
+ if let Some(syntax) = doc.syntax() {
+ let primary_selection = doc.selection(view.id).primary();
+ let text = doc.text();
+ let from = text.char_to_byte(primary_selection.from());
+ let to = text.char_to_byte(primary_selection.to());
+ if let Some(selected_node) = syntax
+ .tree()
+ .root_node()
+ .descendant_for_byte_range(from, to)
+ {
+ let contents = format!("```tsq\n{}\n```", selected_node.to_sexp());
+
+ let callback = async move {
+ let call: job::Callback =
+ Box::new(move |editor: &mut Editor, compositor: &mut Compositor| {
+ let contents = ui::Markdown::new(contents, editor.syn_loader.clone());
+ let popup = Popup::new("hover", contents).auto_close(true);
+ compositor.replace_or_push("hover", popup);
+ });
+ Ok(call)
+ };
+
+ cx.jobs.callback(callback);
+ }
+ }
+
+ Ok(())
+}
+
+pub const TYPABLE_COMMAND_LIST: &[TypableCommand] = &[
+ TypableCommand {
+ name: "quit",
+ aliases: &["q"],
+ doc: "Close the current view.",
+ fun: quit,
+ completer: None,
+ },
+ TypableCommand {
+ name: "quit!",
+ aliases: &["q!"],
+ doc: "Close the current view forcefully (ignoring unsaved changes).",
+ fun: force_quit,
+ completer: None,
+ },
+ TypableCommand {
+ name: "open",
+ aliases: &["o"],
+ doc: "Open a file from disk into the current view.",
+ fun: open,
+ completer: Some(completers::filename),
+ },
+ TypableCommand {
+ name: "buffer-close",
+ aliases: &["bc", "bclose"],
+ doc: "Close the current buffer.",
+ fun: buffer_close,
+ completer: Some(completers::buffer),
+ },
+ TypableCommand {
+ name: "buffer-close!",
+ aliases: &["bc!", "bclose!"],
+ doc: "Close the current buffer forcefully (ignoring unsaved changes).",
+ fun: force_buffer_close,
+ completer: Some(completers::buffer),
+ },
+ TypableCommand {
+ name: "buffer-close-others",
+ aliases: &["bco", "bcloseother"],
+ doc: "Close all buffers but the currently focused one.",
+ fun: buffer_close_others,
+ completer: None,
+ },
+ TypableCommand {
+ name: "buffer-close-others!",
+ aliases: &["bco!", "bcloseother!"],
+ doc: "Close all buffers but the currently focused one.",
+ fun: force_buffer_close_others,
+ completer: None,
+ },
+ TypableCommand {
+ name: "buffer-close-all",
+ aliases: &["bca", "bcloseall"],
+ doc: "Close all buffers, without quiting.",
+ fun: buffer_close_all,
+ completer: None,
+ },
+ TypableCommand {
+ name: "buffer-close-all!",
+ aliases: &["bca!", "bcloseall!"],
+ doc: "Close all buffers forcefully (ignoring unsaved changes), without quiting.",
+ fun: force_buffer_close_all,
+ completer: None,
+ },
+ TypableCommand {
+ name: "write",
+ aliases: &["w"],
+ doc: "Write changes to disk. Accepts an optional path (:write some/path.txt)",
+ fun: write,
+ completer: Some(completers::filename),
+ },
+ TypableCommand {
+ name: "new",
+ aliases: &["n"],
+ doc: "Create a new scratch buffer.",
+ fun: new_file,
+ completer: Some(completers::filename),
+ },
+ TypableCommand {
+ name: "format",
+ aliases: &["fmt"],
+ doc: "Format the file using the LSP formatter.",
+ fun: format,
+ completer: None,
+ },
+ TypableCommand {
+ name: "indent-style",
+ aliases: &[],
+ doc: "Set the indentation style for editing. ('t' for tabs or 1-8 for number of spaces.)",
+ fun: set_indent_style,
+ completer: None,
+ },
+ TypableCommand {
+ name: "line-ending",
+ aliases: &[],
+ doc: "Set the document's default line ending. Options: crlf, lf, cr, ff, nel.",
+ fun: set_line_ending,
+ completer: None,
+ },
+ TypableCommand {
+ name: "earlier",
+ aliases: &["ear"],
+ doc: "Jump back to an earlier point in edit history. Accepts a number of steps or a time span.",
+ fun: earlier,
+ completer: None,
+ },
+ TypableCommand {
+ name: "later",
+ aliases: &["lat"],
+ doc: "Jump to a later point in edit history. Accepts a number of steps or a time span.",
+ fun: later,
+ completer: None,
+ },
+ TypableCommand {
+ name: "write-quit",
+ aliases: &["wq", "x"],
+ doc: "Write changes to disk and close the current view. Accepts an optional path (:wq some/path.txt)",
+ fun: write_quit,
+ completer: Some(completers::filename),
+ },
+ TypableCommand {
+ name: "write-quit!",
+ aliases: &["wq!", "x!"],
+ doc: "Write changes to disk and close the current view forcefully. Accepts an optional path (:wq! some/path.txt)",
+ fun: force_write_quit,
+ completer: Some(completers::filename),
+ },
+ TypableCommand {
+ name: "write-all",
+ aliases: &["wa"],
+ doc: "Write changes from all views to disk.",
+ fun: write_all,
+ completer: None,
+ },
+ TypableCommand {
+ name: "write-quit-all",
+ aliases: &["wqa", "xa"],
+ doc: "Write changes from all views to disk and close all views.",
+ fun: write_all_quit,
+ completer: None,
+ },
+ TypableCommand {
+ name: "write-quit-all!",
+ aliases: &["wqa!", "xa!"],
+ doc: "Write changes from all views to disk and close all views forcefully (ignoring unsaved changes).",
+ fun: force_write_all_quit,
+ completer: None,
+ },
+ TypableCommand {
+ name: "quit-all",
+ aliases: &["qa"],
+ doc: "Close all views.",
+ fun: quit_all,
+ completer: None,
+ },
+ TypableCommand {
+ name: "quit-all!",
+ aliases: &["qa!"],
+ doc: "Close all views forcefully (ignoring unsaved changes).",
+ fun: force_quit_all,
+ completer: None,
+ },
+ TypableCommand {
+ name: "cquit",
+ aliases: &["cq"],
+ doc: "Quit with exit code (default 1). Accepts an optional integer exit code (:cq 2).",
+ fun: cquit,
+ completer: None,
+ },
+ TypableCommand {
+ name: "cquit!",
+ aliases: &["cq!"],
+ doc: "Quit with exit code (default 1) forcefully (ignoring unsaved changes). Accepts an optional integer exit code (:cq! 2).",
+ fun: force_cquit,
+ completer: None,
+ },
+ TypableCommand {
+ name: "theme",
+ aliases: &[],
+ doc: "Change the editor theme.",
+ fun: theme,
+ completer: Some(completers::theme),
+ },
+ TypableCommand {
+ name: "clipboard-yank",
+ aliases: &[],
+ doc: "Yank main selection into system clipboard.",
+ fun: yank_main_selection_to_clipboard,
+ completer: None,
+ },
+ TypableCommand {
+ name: "clipboard-yank-join",
+ aliases: &[],
+ doc: "Yank joined selections into system clipboard. A separator can be provided as first argument. Default value is newline.", // FIXME: current UI can't display long doc.
+ fun: yank_joined_to_clipboard,
+ completer: None,
+ },
+ TypableCommand {
+ name: "primary-clipboard-yank",
+ aliases: &[],
+ doc: "Yank main selection into system primary clipboard.",
+ fun: yank_main_selection_to_primary_clipboard,
+ completer: None,
+ },
+ TypableCommand {
+ name: "primary-clipboard-yank-join",
+ aliases: &[],
+ doc: "Yank joined selections into system primary clipboard. A separator can be provided as first argument. Default value is newline.", // FIXME: current UI can't display long doc.
+ fun: yank_joined_to_primary_clipboard,
+ completer: None,
+ },
+ TypableCommand {
+ name: "clipboard-paste-after",
+ aliases: &[],
+ doc: "Paste system clipboard after selections.",
+ fun: paste_clipboard_after,
+ completer: None,
+ },
+ TypableCommand {
+ name: "clipboard-paste-before",
+ aliases: &[],
+ doc: "Paste system clipboard before selections.",
+ fun: paste_clipboard_before,
+ completer: None,
+ },
+ TypableCommand {
+ name: "clipboard-paste-replace",
+ aliases: &[],
+ doc: "Replace selections with content of system clipboard.",
+ fun: replace_selections_with_clipboard,
+ completer: None,
+ },
+ TypableCommand {
+ name: "primary-clipboard-paste-after",
+ aliases: &[],
+ doc: "Paste primary clipboard after selections.",
+ fun: paste_primary_clipboard_after,
+ completer: None,
+ },
+ TypableCommand {
+ name: "primary-clipboard-paste-before",
+ aliases: &[],
+ doc: "Paste primary clipboard before selections.",
+ fun: paste_primary_clipboard_before,
+ completer: None,
+ },
+ TypableCommand {
+ name: "primary-clipboard-paste-replace",
+ aliases: &[],
+ doc: "Replace selections with content of system primary clipboard.",
+ fun: replace_selections_with_primary_clipboard,
+ completer: None,
+ },
+ TypableCommand {
+ name: "show-clipboard-provider",
+ aliases: &[],
+ doc: "Show clipboard provider name in status bar.",
+ fun: show_clipboard_provider,
+ completer: None,
+ },
+ TypableCommand {
+ name: "change-current-directory",
+ aliases: &["cd"],
+ doc: "Change the current working directory.",
+ fun: change_current_directory,
+ completer: Some(completers::directory),
+ },
+ TypableCommand {
+ name: "show-directory",
+ aliases: &["pwd"],
+ doc: "Show the current working directory.",
+ fun: show_current_directory,
+ completer: None,
+ },
+ TypableCommand {
+ name: "encoding",
+ aliases: &[],
+ doc: "Set encoding based on `https://encoding.spec.whatwg.org`",
+ fun: set_encoding,
+ completer: None,
+ },
+ TypableCommand {
+ name: "reload",
+ aliases: &[],
+ doc: "Discard changes and reload from the source file.",
+ fun: reload,
+ completer: None,
+ },
+ TypableCommand {
+ name: "tree-sitter-scopes",
+ aliases: &[],
+ doc: "Display tree sitter scopes, primarily for theming and development.",
+ fun: tree_sitter_scopes,
+ completer: None,
+ },
+ TypableCommand {
+ name: "debug-start",
+ aliases: &["dbg"],
+ doc: "Start a debug session from a given template with given parameters.",
+ fun: debug_start,
+ completer: None,
+ },
+ TypableCommand {
+ name: "debug-remote",
+ aliases: &["dbg-tcp"],
+ doc: "Connect to a debug adapter by TCP address and start a debugging session from a given template with given parameters.",
+ fun: debug_remote,
+ completer: None,
+ },
+ TypableCommand {
+ name: "debug-eval",
+ aliases: &[],
+ doc: "Evaluate expression in current debug context.",
+ fun: debug_eval,
+ completer: None,
+ },
+ TypableCommand {
+ name: "vsplit",
+ aliases: &["vs"],
+ doc: "Open the file in a vertical split.",
+ fun: vsplit,
+ completer: Some(completers::filename),
+ },
+ TypableCommand {
+ name: "hsplit",
+ aliases: &["hs", "sp"],
+ doc: "Open the file in a horizontal split.",
+ fun: hsplit,
+ completer: Some(completers::filename),
+ },
+ TypableCommand {
+ name: "tutor",
+ aliases: &[],
+ doc: "Open the tutorial.",
+ fun: tutor,
+ completer: None,
+ },
+ TypableCommand {
+ name: "goto",
+ aliases: &["g"],
+ doc: "Go to line number.",
+ fun: goto_line_number,
+ completer: None,
+ },
+ TypableCommand {
+ name: "set-option",
+ aliases: &["set"],
+ doc: "Set a config option at runtime",
+ fun: setting,
+ completer: Some(completers::setting),
+ },
+ TypableCommand {
+ name: "sort",
+ aliases: &[],
+ doc: "Sort ranges in selection.",
+ fun: sort,
+ completer: None,
+ },
+ TypableCommand {
+ name: "rsort",
+ aliases: &[],
+ doc: "Sort ranges in selection in reverse order.",
+ fun: sort_reverse,
+ completer: None,
+ },
+ TypableCommand {
+ name: "tree-sitter-subtree",
+ aliases: &["ts-subtree"],
+ doc: "Display tree sitter subtree under cursor, primarily for debugging queries.",
+ fun: tree_sitter_subtree,
+ completer: None,
+ },
+ ];
+
+pub static TYPABLE_COMMAND_MAP: Lazy<HashMap<&'static str, &'static TypableCommand>> =
+ Lazy::new(|| {
+ TYPABLE_COMMAND_LIST
+ .iter()
+ .flat_map(|cmd| {
+ std::iter::once((cmd.name, cmd))
+ .chain(cmd.aliases.iter().map(move |&alias| (alias, cmd)))
+ })
+ .collect()
+ });
+
+pub fn command_mode(cx: &mut Context) {
+ let mut prompt = Prompt::new(
+ ":".into(),
+ Some(':'),
+ |editor: &Editor, input: &str| {
+ static FUZZY_MATCHER: Lazy<fuzzy_matcher::skim::SkimMatcherV2> =
+ Lazy::new(fuzzy_matcher::skim::SkimMatcherV2::default);
+
+ // we use .this over split_whitespace() because we care about empty segments
+ let parts = input.split(' ').collect::<Vec<&str>>();
+
+ // simple heuristic: if there's no just one part, complete command name.
+ // if there's a space, per command completion kicks in.
+ if parts.len() <= 1 {
+ let mut matches: Vec<_> = typed::TYPABLE_COMMAND_LIST
+ .iter()
+ .filter_map(|command| {
+ FUZZY_MATCHER
+ .fuzzy_match(command.name, input)
+ .map(|score| (command.name, score))
+ })
+ .collect();
+
+ matches.sort_unstable_by_key(|(_file, score)| std::cmp::Reverse(*score));
+ matches
+ .into_iter()
+ .map(|(name, _)| (0.., name.into()))
+ .collect()
+ } else {
+ let part = parts.last().unwrap();
+
+ if let Some(typed::TypableCommand {
+ completer: Some(completer),
+ ..
+ }) = typed::TYPABLE_COMMAND_MAP.get(parts[0])
+ {
+ completer(editor, part)
+ .into_iter()
+ .map(|(range, file)| {
+ // offset ranges to input
+ let offset = input.len() - part.len();
+ let range = (range.start + offset)..;
+ (range, file)
+ })
+ .collect()
+ } else {
+ Vec::new()
+ }
+ }
+ }, // completion
+ move |cx: &mut compositor::Context, input: &str, event: PromptEvent| {
+ if event != PromptEvent::Validate {
+ return;
+ }
+
+ let parts = input.split_whitespace().collect::<Vec<&str>>();
+ if parts.is_empty() {
+ return;
+ }
+
+ // If command is numeric, interpret as line number and go there.
+ if parts.len() == 1 && parts[0].parse::<usize>().ok().is_some() {
+ if let Err(e) = typed::goto_line_number(cx, &[Cow::from(parts[0])], event) {
+ cx.editor.set_error(format!("{}", e));
+ }
+ return;
+ }
+
+ // Handle typable commands
+ if let Some(cmd) = typed::TYPABLE_COMMAND_MAP.get(parts[0]) {
+ let args = if cfg!(unix) {
+ shellwords::shellwords(input)
+ } else {
+ // Windows doesn't support POSIX, so fallback for now
+ parts
+ .into_iter()
+ .map(|part| part.into())
+ .collect::<Vec<_>>()
+ };
+
+ if let Err(e) = (cmd.fun)(cx, &args[1..], event) {
+ cx.editor.set_error(format!("{}", e));
+ }
+ } else {
+ cx.editor
+ .set_error(format!("no such command: '{}'", parts[0]));
+ };
+ },
+ );
+ prompt.doc_fn = Box::new(|input: &str| {
+ let part = input.split(' ').next().unwrap_or_default();
+
+ if let Some(typed::TypableCommand { doc, aliases, .. }) =
+ typed::TYPABLE_COMMAND_MAP.get(part)
+ {
+ if aliases.is_empty() {
+ return Some((*doc).into());
+ }
+ return Some(format!("{}\nAliases: {}", doc, aliases.join(", ")).into());
+ }
+
+ None
+ });
+
+ // Calculate initial completion
+ prompt.recalculate_completion(cx.editor);
+ cx.push_layer(Box::new(prompt));
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-17 14:19:06 +0000