work started on refactoring LineBuf

Cargo.lock

@@ -577,6 +577,7 @@ dependencies = [
  "regex",
  "scopeguard",
  "serde_json",
+ "smallvec",
  "tempfile",
  "unicode-segmentation",
  "unicode-width",
@@ -584,6 +585,12 @@ dependencies = [
  "yansi",
 ]
 
+[[package]]
+name = "smallvec"
+version = "1.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
+
 [[package]]
 name = "strsim"
 version = "0.11.1"

Cargo.toml

@@ -35,6 +35,7 @@ rand = "0.10.0"
 regex = "1.11.1"
 scopeguard = "1.2.0"
 serde_json = "1.0.149"
+smallvec = { version = "1.15.1", features = ["write"] }
 tempfile = "3.24.0"
 unicode-segmentation = "1.12.0"
 unicode-width = "0.2.0"

src/main.rs

@@ -160,6 +160,12 @@ fn main() -> ExitCode {
   on_exit_autocmds.exec();
 
   write_jobs(|j| j.hang_up());
+
+	let code = QUIT_CODE.load(Ordering::SeqCst) as u8;
+	if code == 0 && isatty(STDIN_FILENO).unwrap_or_default() {
+		write(borrow_fd(STDERR_FILENO), b"\nexit\n").ok();
+	}
+
   ExitCode::from(QUIT_CODE.load(Ordering::SeqCst) as u8)
 }
 

src/readline/complete.rs

@@ -19,7 +19,7 @@ use crate::{
   readline::{
     Marker, annotate_input_recursive,
     keys::{KeyCode as C, KeyEvent as K, ModKeys as M},
-    linebuf::{ClampedUsize, LineBuf},
+    linebuf::LineBuf,
     markers::{self, is_marker},
     term::{LineWriter, TermWriter, calc_str_width, get_win_size},
     vimode::{ViInsert, ViMode},
@@ -818,7 +818,6 @@ impl QueryEditor {
     self.available_width = width;
   }
   pub fn update_scroll_offset(&mut self) {
-    self.linebuf.update_graphemes();
     let cursor_pos = self.linebuf.cursor.get();
     if cursor_pos < self.scroll_offset + 1 {
       self.scroll_offset = self.linebuf.cursor.ret_sub(1);
@@ -829,10 +828,8 @@ impl QueryEditor {
         .cursor
         .ret_sub(self.available_width.saturating_sub(1));
     }
-    let max_offset = self
+    let max_offset = self.linebuf
-      .linebuf
+			.count_graphemes()
-      .grapheme_indices()
-      .len()
       .saturating_sub(self.available_width);
     self.scroll_offset = self.scroll_offset.min(max_offset);
   }

src/readline/mod.rs

@@ -9,6 +9,7 @@ use vimode::{CmdReplay, ModeReport, ViInsert, ViMode, ViNormal, ViReplace, ViVis
 
 use crate::builtin::keymap::{KeyMapFlags, KeyMapMatch};
 use crate::expand::expand_prompt;
+use crate::libsh::error::{ShErr, ShErrKind};
 use crate::libsh::utils::AutoCmdVecUtils;
 use crate::parse::lex::{LexStream, QuoteState};
 use crate::readline::complete::{FuzzyCompleter, SelectorResponse};
@@ -882,6 +883,8 @@ impl ShedVi {
         self.needs_redraw = true;
         return Ok(None);
       }
+    } else if cmd.verb().is_some_and(|v| v.1 == Verb::Quit) {
+			return Ok(Some(ReadlineEvent::Eof));
 		}
 
     let has_edit_verb = cmd.verb().is_some_and(|v| v.1.is_edit());

src/readline/vicmd.rs

@@ -2,7 +2,7 @@ use std::path::PathBuf;
 
 use bitflags::bitflags;
 
-use crate::readline::vimode::ex::SubFlags;
+use crate::readline::{linebuf::Grapheme, vimode::ex::SubFlags};
 
 use super::register::{RegisterContent, append_register, read_register, write_register};
 
@@ -161,23 +161,11 @@ impl ViCmd {
     self.motion.as_ref().is_some_and(|m| {
       matches!(
         m.1,
-        Motion::LineUp | Motion::LineDown | Motion::LineUpCharwise | Motion::LineDownCharwise
+        Motion::LineUp | Motion::LineDown
       )
     })
   }
   /// If a ViCmd has a linewise motion, but no verb, we change it to charwise
-  pub fn alter_line_motion_if_no_verb(&mut self) {
-    if self.is_line_motion()
-      && self.verb.is_none()
-      && let Some(motion) = self.motion.as_mut()
-    {
-      match motion.1 {
-        Motion::LineUp => motion.1 = Motion::LineUpCharwise,
-        Motion::LineDown => motion.1 = Motion::LineDownCharwise,
-        _ => unreachable!(),
-      }
-    }
-  }
   pub fn is_mode_transition(&self) -> bool {
     self.verb.as_ref().is_some_and(|v| {
       matches!(
@@ -261,6 +249,7 @@ pub enum Verb {
   Read(ReadSrc),
   Write(WriteDest),
   Edit(PathBuf),
+	Quit,
   Substitute(String, String, SubFlags),
   RepeatSubstitute,
   RepeatGlobal,
@@ -326,23 +315,20 @@ impl Verb {
 
 #[derive(Debug, Clone, Eq, PartialEq)]
 pub enum Motion {
-  WholeLineInclusive, // whole line including the linebreak
+  WholeLine,
-  WholeLineExclusive, // whole line excluding the linebreak
   TextObj(TextObj),
   EndOfLastWord,
   BeginningOfFirstWord,
   BeginningOfLine,
   EndOfLine,
   WordMotion(To, Word, Direction),
-  CharSearch(Direction, Dest, char),
+  CharSearch(Direction, Dest, Grapheme),
   BackwardChar,
   ForwardChar,
   BackwardCharForced, // These two variants can cross line boundaries
   ForwardCharForced,
   LineUp,
-  LineUpCharwise,
   LineDown,
-  LineDownCharwise,
   WholeBuffer,
   StartOfBuffer,
   EndOfBuffer,
@@ -382,8 +368,6 @@ impl Motion {
       &self,
       Self::BeginningOfLine
         | Self::BeginningOfFirstWord
-        | Self::LineDownCharwise
-        | Self::LineUpCharwise
         | Self::ToColumn
         | Self::TextObj(TextObj::Sentence(_))
         | Self::TextObj(TextObj::Paragraph(_))
@@ -398,7 +382,7 @@ impl Motion {
   pub fn is_linewise(&self) -> bool {
     matches!(
       self,
-      Self::WholeLineInclusive | Self::WholeLineExclusive | Self::LineUp | Self::LineDown
+      Self::WholeLine | Self::LineUp | Self::LineDown
     )
   }
 }

src/readline/vimode/ex.rs

@@ -280,6 +280,7 @@ fn parse_ex_command(chars: &mut Peekable<Chars<'_>>) -> Result<Option<Verb>, Opt
     _ if "delete".starts_with(&cmd_name) => Ok(Some(Verb::Delete)),
     _ if "yank".starts_with(&cmd_name) => Ok(Some(Verb::Yank)),
     _ if "put".starts_with(&cmd_name) => Ok(Some(Verb::Put(Anchor::After))),
+		_ if "quit".starts_with(&cmd_name) => Ok(Some(Verb::Quit)),
     _ if "read".starts_with(&cmd_name) => parse_read(chars),
     _ if "write".starts_with(&cmd_name) => parse_write(chars),
     _ if "edit".starts_with(&cmd_name) => parse_edit(chars),