mod case;mod change;mod delete;mod increment;mod indent;pub(crate) mod mark;mod paste;pub(crate) mod repeat;mod scroll;pub(crate) mod search;pub mod substitute;pub(crate) mod yank; use std::collections::HashMap;use std::sync::Arc; use crate::{    motion::{self, first_non_whitespace, next_line_end, right, Motion},    object::Object,    state::{Mode, Operator},    surrounds::{check_and_move_to_valid_bracket_pair, SurroundsType},    Vim,};use case::{change_case_motion, change_case_object, CaseTarget};use collections::BTreeSet;use editor::scroll::Autoscroll;use editor::Anchor;use editor::Bias;use editor::Editor;use editor::{display_map::ToDisplayPoint, movement};use gpui::{actions, ViewContext, WindowContext};use language::{Point, SelectionGoal};use log::error;use multi_buffer::MultiBufferRow;use workspace::Workspace; use self::{    case::{change_case, convert_to_lower_case, convert_to_upper_case},    change::{change_motion, change_object},    delete::{delete_motion, delete_object},    indent::{indent_motion, indent_object, IndentDirection},    yank::{yank_motion, yank_object},}; actions!(    vim,    [        InsertAfter,        InsertBefore,        InsertFirstNonWhitespace,        InsertEndOfLine,        InsertLineAbove,        InsertLineBelow,        InsertAtPrevious,        DeleteLeft,        DeleteRight,        ChangeToEndOfLine,        DeleteToEndOfLine,        Yank,        YankLine,        ChangeCase,        ConvertToUpperCase,        ConvertToLowerCase,        JoinLines,        Indent,        Outdent,        ToggleComments,        Undo,        Redo,    ]); pub(crate) fn register(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) {    workspace.register_action(insert_after);    workspace.register_action(insert_before);    workspace.register_action(insert_first_non_whitespace);    workspace.register_action(insert_end_of_line);    workspace.register_action(insert_line_above);    workspace.register_action(insert_line_below);    workspace.register_action(insert_at_previous);    workspace.register_action(change_case);    workspace.register_action(convert_to_upper_case);    workspace.register_action(convert_to_lower_case);    workspace.register_action(yank_line);    workspace.register_action(toggle_comments);     workspace.register_action(|_: &mut Workspace, _: &DeleteLeft, cx| {        Vim::update(cx, |vim, cx| {            vim.record_current_action(cx);            let times = vim.take_count(cx);            delete_motion(vim, Motion::Left, times, cx);        })    });    workspace.register_action(|_: &mut Workspace, _: &DeleteRight, cx| {        Vim::update(cx, |vim, cx| {            vim.record_current_action(cx);            let times = vim.take_count(cx);            delete_motion(vim, Motion::Right, times, cx);        })    });    workspace.register_action(|_: &mut Workspace, _: &ChangeToEndOfLine, cx| {        Vim::update(cx, |vim, cx| {            vim.start_recording(cx);            let times = vim.take_count(cx);            change_motion(                vim,                Motion::EndOfLine {                    display_lines: false,                },                times,                cx,            );        })    });    workspace.register_action(|_: &mut Workspace, _: &DeleteToEndOfLine, cx| {        Vim::update(cx, |vim, cx| {            vim.record_current_action(cx);            let times = vim.take_count(cx);            delete_motion(                vim,                Motion::EndOfLine {                    display_lines: false,                },                times,                cx,            );        })    });    workspace.register_action(|_: &mut Workspace, _: &JoinLines, cx| {        Vim::update(cx, |vim, cx| {            vim.record_current_action(cx);            let mut times = vim.take_count(cx).unwrap_or(1);            if vim.state().mode.is_visual() {                times = 1;            } else if times > 1 {                // 2J joins two lines together (same as J or 1J)                times -= 1;            }             vim.update_active_editor(cx, |_, editor, cx| {                editor.transact(cx, |editor, cx| {                    for _ in 0..times {                        editor.join_lines(&Default::default(), cx)                    }                })            });            if vim.state().mode.is_visual() {                vim.switch_mode(Mode::Normal, false, cx)            }        });    });     workspace.register_action(|_: &mut Workspace, _: &Indent, cx| {        Vim::update(cx, |vim, cx| {            vim.record_current_action(cx);            vim.update_active_editor(cx, |_, editor, cx| {                editor.transact(cx, |editor, cx| {                    let mut original_positions = save_selection_starts(editor, cx);                    editor.indent(&Default::default(), cx);                    restore_selection_cursors(editor, cx, &mut original_positions);                });            });            if vim.state().mode.is_visual() {                vim.switch_mode(Mode::Normal, false, cx)            }        });    });     workspace.register_action(|_: &mut Workspace, _: &Outdent, cx| {        Vim::update(cx, |vim, cx| {            vim.record_current_action(cx);            vim.update_active_editor(cx, |_, editor, cx| {                editor.transact(cx, |editor, cx| {                    let mut original_positions = save_selection_starts(editor, cx);                    editor.outdent(&Default::default(), cx);                    restore_selection_cursors(editor, cx, &mut original_positions);                });            });            if vim.state().mode.is_visual() {                vim.switch_mode(Mode::Normal, false, cx)            }        });    });     workspace.register_action(|_: &mut Workspace, _: &Undo, cx| {        Vim::update(cx, |vim, cx| {            let times = vim.take_count(cx);            vim.update_active_editor(cx, |_, editor, cx| {                for _ in 0..times.unwrap_or(1) {                    editor.undo(&editor::actions::Undo, cx);                }            });        })    });    workspace.register_action(|_: &mut Workspace, _: &Redo, cx| {        Vim::update(cx, |vim, cx| {            let times = vim.take_count(cx);            vim.update_active_editor(cx, |_, editor, cx| {                for _ in 0..times.unwrap_or(1) {                    editor.redo(&editor::actions::Redo, cx);                }            });        })    });     paste::register(workspace, cx);    repeat::register(workspace, cx);    scroll::register(workspace, cx);    search::register(workspace, cx);    substitute::register(workspace, cx);    increment::register(workspace, cx);} pub fn normal_motion(    motion: Motion,    operator: Option<Operator>,    times: Option<usize>,    cx: &mut WindowContext,) {    Vim::update(cx, |vim, cx| {        match operator {            None => move_cursor(vim, motion, times, cx),            Some(Operator::Change) => change_motion(vim, motion, times, cx),            Some(Operator::Delete) => delete_motion(vim, motion, times, cx),            Some(Operator::Yank) => yank_motion(vim, motion, times, cx),            Some(Operator::AddSurrounds { target: None }) => {}            Some(Operator::Indent) => indent_motion(vim, motion, times, IndentDirection::In, cx),            Some(Operator::Outdent) => indent_motion(vim, motion, times, IndentDirection::Out, cx),            Some(Operator::Lowercase) => {                change_case_motion(vim, motion, times, CaseTarget::Lowercase, cx)            }            Some(Operator::Uppercase) => {                change_case_motion(vim, motion, times, CaseTarget::Uppercase, cx)            }            Some(Operator::OppositeCase) => {                change_case_motion(vim, motion, times, CaseTarget::OppositeCase, cx)            }            Some(operator) => {                // Can't do anything for text objects, Ignoring                error!("Unexpected normal mode motion operator: {:?}", operator)            }        }    });} pub fn normal_object(object: Object, cx: &mut WindowContext) {    Vim::update(cx, |vim, cx| {        let mut waiting_operator: Option<Operator> = None;        match vim.maybe_pop_operator() {            Some(Operator::Object { around }) => match vim.maybe_pop_operator() {                Some(Operator::Change) => change_object(vim, object, around, cx),                Some(Operator::Delete) => delete_object(vim, object, around, cx),                Some(Operator::Yank) => yank_object(vim, object, around, cx),                Some(Operator::Indent) => {                    indent_object(vim, object, around, IndentDirection::In, cx)                }                Some(Operator::Outdent) => {                    indent_object(vim, object, around, IndentDirection::Out, cx)                }                Some(Operator::Lowercase) => {                    change_case_object(vim, object, around, CaseTarget::Lowercase, cx)                }                Some(Operator::Uppercase) => {                    change_case_object(vim, object, around, CaseTarget::Uppercase, cx)                }                Some(Operator::OppositeCase) => {                    change_case_object(vim, object, around, CaseTarget::OppositeCase, cx)                }                Some(Operator::AddSurrounds { target: None }) => {                    waiting_operator = Some(Operator::AddSurrounds {                        target: Some(SurroundsType::Object(object)),                    });                }                _ => {                    // Can't do anything for namespace operators. Ignoring                }            },            Some(Operator::DeleteSurrounds) => {                waiting_operator = Some(Operator::DeleteSurrounds);            }            Some(Operator::ChangeSurrounds { target: None }) => {                if check_and_move_to_valid_bracket_pair(vim, object, cx) {                    waiting_operator = Some(Operator::ChangeSurrounds {                        target: Some(object),                    });                }            }            _ => {                // Can't do anything with change/delete/yank/surrounds and text objects. Ignoring            }        }        vim.clear_operator(cx);        if let Some(operator) = waiting_operator {            vim.push_operator(operator, cx);        }    });} pub(crate) fn move_cursor(    vim: &mut Vim,    motion: Motion,    times: Option<usize>,    cx: &mut WindowContext,) {    vim.update_active_editor(cx, |_, editor, cx| {        let text_layout_details = editor.text_layout_details(cx);        editor.change_selections(Some(Autoscroll::fit()), cx, |s| {            s.move_cursors_with(|map, cursor, goal| {                motion                    .move_point(map, cursor, goal, times, &text_layout_details)                    .unwrap_or((cursor, goal))            })        })    });} fn insert_after(_: &mut Workspace, _: &InsertAfter, cx: &mut ViewContext<Workspace>) {    Vim::update(cx, |vim, cx| {        vim.start_recording(cx);        vim.switch_mode(Mode::Insert, false, cx);        vim.update_active_editor(cx, |_, editor, cx| {            editor.change_selections(Some(Autoscroll::fit()), cx, |s| {                s.move_cursors_with(|map, cursor, _| (right(map, cursor, 1), SelectionGoal::None));            });        });    });} fn insert_before(_: &mut Workspace, _: &InsertBefore, cx: &mut ViewContext<Workspace>) {    Vim::update(cx, |vim, cx| {        vim.start_recording(cx);        vim.switch_mode(Mode::Insert, false, cx);    });} fn insert_first_non_whitespace(    _: &mut Workspace,    _: &InsertFirstNonWhitespace,    cx: &mut ViewContext<Workspace>,) {    Vim::update(cx, |vim, cx| {        vim.start_recording(cx);        vim.switch_mode(Mode::Insert, false, cx);        vim.update_active_editor(cx, |_, editor, cx| {            editor.change_selections(Some(Autoscroll::fit()), cx, |s| {                s.move_cursors_with(|map, cursor, _| {                    (                        first_non_whitespace(map, false, cursor),                        SelectionGoal::None,                    )                });            });        });    });} fn insert_end_of_line(_: &mut Workspace, _: &InsertEndOfLine, cx: &mut ViewContext<Workspace>) {    Vim::update(cx, |vim, cx| {        vim.start_recording(cx);        vim.switch_mode(Mode::Insert, false, cx);        vim.update_active_editor(cx, |_, editor, cx| {            editor.change_selections(Some(Autoscroll::fit()), cx, |s| {                s.move_cursors_with(|map, cursor, _| {                    (next_line_end(map, cursor, 1), SelectionGoal::None)                });            });        });    });} fn insert_at_previous(_: &mut Workspace, _: &InsertAtPrevious, cx: &mut ViewContext<Workspace>) {    Vim::update(cx, |vim, cx| {        vim.start_recording(cx);        vim.switch_mode(Mode::Insert, false, cx);        vim.update_active_editor(cx, |vim, editor, cx| {            if let Some(marks) = vim.state().marks.get("^") {                editor.change_selections(Some(Autoscroll::fit()), cx, |s| {                    s.select_anchor_ranges(marks.iter().map(|mark| *mark..*mark))                });            }        });    });} fn insert_line_above(_: &mut Workspace, _: &InsertLineAbove, cx: &mut ViewContext<Workspace>) {    Vim::update(cx, |vim, cx| {        vim.start_recording(cx);        vim.switch_mode(Mode::Insert, false, cx);        vim.update_active_editor(cx, |_, editor, cx| {            editor.transact(cx, |editor, cx| {                let selections = editor.selections.all::<Point>(cx);                let snapshot = editor.buffer().read(cx).snapshot(cx);                 let selection_start_rows: BTreeSet<u32> = selections                    .into_iter()                    .map(|selection| selection.start.row)                    .collect();                let edits = selection_start_rows.into_iter().map(|row| {                    let indent = snapshot                        .indent_size_for_line(MultiBufferRow(row))                        .chars()                        .collect::<String>();                    let start_of_line = Point::new(row, 0);                    (start_of_line..start_of_line, indent + "\n")                });                editor.edit_with_autoindent(edits, cx);                editor.change_selections(Some(Autoscroll::fit()), cx, |s| {                    s.move_cursors_with(|map, cursor, _| {                        let previous_line = motion::start_of_relative_buffer_row(map, cursor, -1);                        let insert_point = motion::end_of_line(map, false, previous_line, 1);                        (insert_point, SelectionGoal::None)                    });                });            });        });    });} fn insert_line_below(_: &mut Workspace, _: &InsertLineBelow, cx: &mut ViewContext<Workspace>) {    Vim::update(cx, |vim, cx| {        vim.start_recording(cx);        vim.switch_mode(Mode::Insert, false, cx);        vim.update_active_editor(cx, |_, editor, cx| {            let text_layout_details = editor.text_layout_details(cx);            editor.transact(cx, |editor, cx| {                let selections = editor.selections.all::<Point>(cx);                let snapshot = editor.buffer().read(cx).snapshot(cx);                 let selection_end_rows: BTreeSet<u32> = selections                    .into_iter()                    .map(|selection| selection.end.row)                    .collect();                let edits = selection_end_rows.into_iter().map(|row| {                    let indent = snapshot                        .indent_size_for_line(MultiBufferRow(row))                        .chars()                        .collect::<String>();                    let end_of_line = Point::new(row, snapshot.line_len(MultiBufferRow(row)));                    (end_of_line..end_of_line, "\n".to_string() + &indent)                });                editor.change_selections(Some(Autoscroll::fit()), cx, |s| {                    s.maybe_move_cursors_with(|map, cursor, goal| {                        Motion::CurrentLine.move_point(                            map,                            cursor,                            goal,                            None,                            &text_layout_details,                        )                    });                });                editor.edit_with_autoindent(edits, cx);            });        });    });} fn yank_line(_: &mut Workspace, _: &YankLine, cx: &mut ViewContext<Workspace>) {    Vim::update(cx, |vim, cx| {        let count = vim.take_count(cx);        yank_motion(vim, motion::Motion::CurrentLine, count, cx)    })} fn toggle_comments(_: &mut Workspace, _: &ToggleComments, cx: &mut ViewContext<Workspace>) {    Vim::update(cx, |vim, cx| {        vim.record_current_action(cx);        vim.update_active_editor(cx, |_, editor, cx| {            editor.transact(cx, |editor, cx| {                let mut original_positions = save_selection_starts(editor, cx);                editor.toggle_comments(&Default::default(), cx);                restore_selection_cursors(editor, cx, &mut original_positions);            });        });        if vim.state().mode.is_visual() {            vim.switch_mode(Mode::Normal, false, cx)        }    });} fn save_selection_starts(editor: &Editor, cx: &mut ViewContext<Editor>) -> HashMap<usize, Anchor> {    let (map, selections) = editor.selections.all_display(cx);    selections        .iter()        .map(|selection| {            (                selection.id,                map.display_point_to_anchor(selection.start, Bias::Right),            )        })        .collect::<HashMap<_, _>>()} fn restore_selection_cursors(    editor: &mut Editor,    cx: &mut ViewContext<Editor>,    positions: &mut HashMap<usize, Anchor>,) {    editor.change_selections(Some(Autoscroll::fit()), cx, |s| {        s.move_with(|map, selection| {

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