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11 Commits

12 changed files with 427 additions and 243 deletions

105
Cargo.lock generated
View File

@ -10,9 +10,9 @@ checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
[[package]]
name = "bitflags"
version = "2.7.0"
version = "2.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1be3f42a67d6d345ecd59f675f3f012d6974981560836e938c22b424b85ce1be"
checksum = "8f68f53c83ab957f72c32642f3868eec03eb974d1fb82e453128456482613d36"
[[package]]
name = "bstr"
@ -26,15 +26,15 @@ dependencies = [
[[package]]
name = "bumpalo"
version = "3.16.0"
version = "3.17.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
[[package]]
name = "cc"
version = "1.2.8"
version = "1.2.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ad0cf6e91fde44c773c6ee7ec6bba798504641a8bc2eb7e37a04ffbf4dfaa55a"
checksum = "13208fcbb66eaeffe09b99fffbe1af420f00a7b35aa99ad683dfc1aa76145229"
dependencies = [
"shlex",
]
@ -118,6 +118,12 @@ version = "1.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
[[package]]
name = "env_home"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c7f84e12ccf0a7ddc17a6c41c93326024c42920d7ee630d04950e6926645c0fe"
[[package]]
name = "errno"
version = "0.3.10"
@ -139,9 +145,9 @@ dependencies = [
[[package]]
name = "js-sys"
version = "0.3.76"
version = "0.3.77"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6717b6b5b077764fb5966237269cb3c64edddde4b14ce42647430a78ced9e7b7"
checksum = "1cfaf33c695fc6e08064efbc1f72ec937429614f25eef83af942d0e227c3a28f"
dependencies = [
"once_cell",
"wasm-bindgen",
@ -169,7 +175,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
[[package]]
name = "liblambdashell"
name = "libloading"
version = "0.8.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34"
dependencies = [
"cfg-if",
"windows-targets",
]
[[package]]
name = "libpse"
version = "0.1.0"
dependencies = [
"color-print",
@ -182,16 +198,6 @@ dependencies = [
"whoami",
]
[[package]]
name = "libloading"
version = "0.8.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34"
dependencies = [
"cfg-if",
"windows-targets",
]
[[package]]
name = "linux-raw-sys"
version = "0.4.15"
@ -210,9 +216,9 @@ dependencies = [
[[package]]
name = "log"
version = "0.4.22"
version = "0.4.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
checksum = "04cbf5b083de1c7e0222a7a51dbfdba1cbe1c6ab0b15e29fff3f6c077fd9cd9f"
[[package]]
name = "lua-src"
@ -225,9 +231,9 @@ dependencies = [
[[package]]
name = "luajit-src"
version = "210.5.11+97813fb"
version = "210.5.12+a4f56a4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3015551c284515db7c30c559fc1080f9cb9ee990d1f6fca315451a107c7540bb"
checksum = "b3a8e7962a5368d5f264d045a5a255e90f9aa3fc1941ae15a8d2940d42cac671"
dependencies = [
"cc",
"which",
@ -235,9 +241,9 @@ dependencies = [
[[package]]
name = "luau0-src"
version = "0.11.2+luau653"
version = "0.12.0+luau657"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "02313a53daf1fae25e82f7e7ca56180b72d1f08c514426672877cd957298201c"
checksum = "3a4b4c16b82ddf60e0fa93ca5a6afc504a6db22310cc82ecec629cd2e405b2ca"
dependencies = [
"cc",
]
@ -268,9 +274,9 @@ dependencies = [
[[package]]
name = "mlua"
version = "0.10.2"
version = "0.10.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9ea43c3ffac2d0798bd7128815212dd78c98316b299b7a902dabef13dc7b6b8d"
checksum = "d3f763c1041eff92ffb5d7169968a327e1ed2ebfe425dac0ee5a35f29082534b"
dependencies = [
"bstr",
"either",
@ -283,9 +289,9 @@ dependencies = [
[[package]]
name = "mlua-sys"
version = "0.6.6"
version = "0.6.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "63a11d485edf0f3f04a508615d36c7d50d299cf61a7ee6d3e2530651e0a31771"
checksum = "1901c1a635a22fe9250ffcc4fcc937c16b47c2e9e71adba8784af8bca1f69594"
dependencies = [
"cc",
"cfg-if",
@ -384,9 +390,9 @@ checksum = "c7fb8039b3032c191086b10f11f319a6e99e1e82889c5cc6046f515c9db1d497"
[[package]]
name = "rustix"
version = "0.38.43"
version = "0.38.44"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a78891ee6bf2340288408954ac787aa063d8e8817e9f53abb37c695c6d834ef6"
checksum = "fdb5bc1ae2baa591800df16c9ca78619bf65c0488b41b96ccec5d11220d8c154"
dependencies = [
"bitflags",
"errno",
@ -496,9 +502,9 @@ dependencies = [
[[package]]
name = "unicode-ident"
version = "1.0.14"
version = "1.0.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
checksum = "a210d160f08b701c8721ba1c726c11662f877ea6b7094007e1ca9a1041945034"
[[package]]
name = "unicode-xid"
@ -530,9 +536,9 @@ checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"
[[package]]
name = "wasm-bindgen"
version = "0.2.99"
version = "0.2.100"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a474f6281d1d70c17ae7aa6a613c87fce69a127e2624002df63dcb39d6cf6396"
checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
dependencies = [
"cfg-if",
"once_cell",
@ -541,9 +547,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-backend"
version = "0.2.99"
version = "0.2.100"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5f89bb38646b4f81674e8f5c3fb81b562be1fd936d84320f3264486418519c79"
checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6"
dependencies = [
"bumpalo",
"log",
@ -555,9 +561,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-macro"
version = "0.2.99"
version = "0.2.100"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2cc6181fd9a7492eef6fef1f33961e3695e4579b9872a6f7c83aee556666d4fe"
checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407"
dependencies = [
"quote",
"wasm-bindgen-macro-support",
@ -565,9 +571,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-macro-support"
version = "0.2.99"
version = "0.2.100"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "30d7a95b763d3c45903ed6c81f156801839e5ee968bb07e534c44df0fcd330c2"
checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
dependencies = [
"proc-macro2",
"quote",
@ -578,15 +584,18 @@ dependencies = [
[[package]]
name = "wasm-bindgen-shared"
version = "0.2.99"
version = "0.2.100"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "943aab3fdaaa029a6e0271b35ea10b72b943135afe9bffca82384098ad0e06a6"
checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
dependencies = [
"unicode-ident",
]
[[package]]
name = "web-sys"
version = "0.3.76"
version = "0.3.77"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "04dd7223427d52553d3702c004d3b2fe07c148165faa56313cb00211e31c12bc"
checksum = "33b6dd2ef9186f1f2072e409e99cd22a975331a6b3591b12c764e0e55c60d5d2"
dependencies = [
"js-sys",
"wasm-bindgen",
@ -594,12 +603,12 @@ dependencies = [
[[package]]
name = "which"
version = "6.0.3"
version = "7.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b4ee928febd44d98f2f459a4a79bd4d928591333a494a10a868418ac1b39cf1f"
checksum = "fb4a9e33648339dc1642b0e36e21b3385e6148e289226f657c809dee59df5028"
dependencies = [
"either",
"home",
"env_home",
"rustix",
"winsafe",
]

View File

@ -1,5 +1,5 @@
[package]
name = "liblambdashell"
name = "libpse"
version = "0.1.0"
edition = "2021"

View File

@ -1,7 +1,7 @@
use std::{io, process, str::SplitWhitespace, path::{Path, PathBuf}};
use std::{env, path::{Path, PathBuf}, process, str::SplitWhitespace};
use uzers::User;
use crate::{history::History, session::MapDisplay, valid_pbuf::IsValid};
use crate::{session::{MapDisplay, Pse}, valid_pbuf::IsValid};
trait PathBufIsValid {
fn is_valid_or_home(&self) -> Option<PathBuf>;
@ -12,34 +12,34 @@ impl PathBufIsValid for PathBuf {
}
}
trait ChangeDirectory {
fn change_directory(&self, args: SplitWhitespace) -> Option<PathBuf>;
fn set_current_dir(&self, new_path: &Path) -> Option<PathBuf>;
fn specific_user_dir(&self, user: String) -> Option<PathBuf>;
fn cd_args(&self, vec_args: Vec<String>) -> Option<PathBuf>;
fn previous_dir(&self) -> Option<PathBuf>;
fn home_dir(&self) -> Option<PathBuf>;
}
impl ChangeDirectory for Command {
fn set_current_dir(&self, new_path: &Path) -> Option<PathBuf> {
std::env::set_current_dir(new_path).map_or_display_none(|()| Some(new_path.to_path_buf()))
struct ChangeDirectory(Option<PathBuf>);
impl ChangeDirectory {
fn set_dir(&mut self, new_path: &Path) -> Option<PathBuf> {
let past_dir = env::current_dir().ok();
env::set_current_dir(new_path).map_or_display_none(|()| {
self.0 = past_dir;
Some(new_path.to_path_buf())
})
}
fn home_dir(&self) -> Option<PathBuf> {
home::home_dir().map_or(self.set_current_dir(Path::new("/")), |home_pathbuf| self.set_current_dir(&home_pathbuf))
fn home_dir(&mut self) -> Option<PathBuf> {
home::home_dir().map_or(self.set_dir(Path::new("/")), |home_pathbuf| self.set_dir(&home_pathbuf))
}
fn previous_dir(&self) -> Option<PathBuf> {
unimplemented!()
fn previous_dir(&mut self) -> Option<PathBuf> {
match self.0.as_ref() {
Some(p_buf) => self.set_dir(&p_buf.to_path_buf()),
None => None
}
}
fn specific_user_dir(&self, requested_user: String) -> Option<PathBuf> {
match requested_user.as_str() {
"root" => PathBuf::from("/root").is_valid_or_home(),
_ => {
u => {
for user in unsafe { uzers::all_users().collect::<Vec<User>>() } {
let user_name = user.name();
if *requested_user == *user_name {
if *u == *user_name {
let mut user_dir = PathBuf::from("/home");
user_dir.push(user_name);
return user_dir.is_valid_or_home();
@ -50,11 +50,11 @@ impl ChangeDirectory for Command {
}
}
fn cd_args(&self, vec_args: Vec<String>) -> Option<PathBuf> {
fn cd_args(&mut self, vec_args: Vec<String>) -> Option<PathBuf> {
let string_path = vec_args.concat();
let new_path = Path::new(string_path.as_str());
match new_path.is_dir() {
true => self.set_current_dir(new_path),
true => self.set_dir(new_path),
false => {
match new_path.file_name() {
Some(file_name) => println!("cd: {:?} is not a directory.", file_name),
@ -65,15 +65,15 @@ impl ChangeDirectory for Command {
}
}
fn change_directory(&self, args: SplitWhitespace) -> Option<PathBuf> {
fn change_directory(&mut self, args: SplitWhitespace) -> Option<PathBuf> {
let vec_args: Vec<String> = args.map(|arg| arg.to_owned()).collect();
match vec_args.first() {
None => self.home_dir(),
Some(arg) => match arg.as_str() {
"/" => self.set_current_dir(Path::new("/")),
"/" => self.set_dir(Path::new("/")),
"-" => self.previous_dir(),
_ => {
let mut arg_chars = arg.chars();
arg_str => {
let mut arg_chars = arg_str.chars();
match arg_chars.next() {
Some(char) => match char == '~' {
true => self.specific_user_dir(arg_chars.collect::<String>()),
@ -87,27 +87,23 @@ impl ChangeDirectory for Command {
}
}
pub struct Command(String);
impl Command {
pub const fn new(input: String) -> Self {
Self(input)
}
pub fn spawn_sys_cmd(&mut self, history: &mut History, command_process: io::Result<process::Child>) {
if let Ok(mut child) = command_process {
history.add(self.0.as_str());
child.wait().ok();
} else {
println!("Unknown command: {}", self.0)
}
}
pub fn exec(&mut self, history: &mut History) {
let mut args = self.0.split_whitespace();
pub trait Command {
fn spawn_sys_cmd(&mut self);
}
impl Command for Pse {
fn spawn_sys_cmd(&mut self) {
let mut args = self.rt.input.literal.split_whitespace();
if let Some(command) = args.next() {
match command {
"cd" => if self.change_directory(args).is_some() { history.add(self.0.as_str()) },
command => { self.spawn_sys_cmd(history, process::Command::new(command).args(args).spawn()); }
"cd" => if ChangeDirectory(None).change_directory(args).is_some() {
self.rt.history.add(self.rt.input.literal.as_str())
},
command => if let Ok(mut child) = process::Command::new(command).args(args).spawn() {
self.rt.history.add(self.rt.input.literal.as_str());
child.wait().ok();
} else {
println!("pse: Unknown command: {}", self.rt.input.literal)
}
}
}
}

View File

@ -4,41 +4,41 @@ use crate::{rc::{self}, session::{self, MapDisplay}, valid_pbuf::IsValid};
#[derive(Debug, Clone)]
pub struct History {
fs_history: Option<Vec<String>>,
history: Vec<String>,
pub history: Vec<String>,
pub index: isize,
file: Option<PathBuf>,
}
impl History {
pub fn init() -> Self {
let mut history = Vec::new();
let file = rc::config_dir().map(|mut config_dir| {
config_dir.push(".history");
config_dir.is_valid_file_or_create(b"");
config_dir
});
let fs_history = file.as_ref().and_then(|file| {
file.as_ref().and_then(|file| {
File::open(file).map_or_display_none(|file| {
Some(BufReader::new(file).lines().map_while(Result::ok).collect::<Vec<String>>())
let mut fs_history_vec = BufReader::new(file).lines().map_while(Result::ok).collect::<Vec<String>>();
fs_history_vec.dedup();
fs_history_vec.reverse();
Some(fs_history_vec)
})
});
Self {
history: Vec::new(),
fs_history,
file,
}
}).inspect(|fs_history_vec| history = fs_history_vec.clone());
Self { history, file, index: -1 }
}
pub fn write_to_file_fallible(&mut self) {
if self.history.is_empty() { return; }
if let (Some(history_file), Some(fs_history)) = (&self.file, &self.fs_history) {
if let Some(history_file) = &self.file {
OpenOptions::new()
.append(true)
.open(history_file.as_path())
.map_or_display(|mut file| {
let newline_maybe = if fs_history.is_empty() { "" } else { "\n" };
if let Err(write_err) = file.write_all(format!("{newline_maybe}{}", self.history.join("\n")).as_bytes()) {
session::shell_error(write_err);
};
let newline_maybe = if self.history.is_empty() { "" } else { "\n" };
let formatted = format!("{newline_maybe}{}", self.history.join("\n"));
file.write_all(formatted.as_bytes()).unwrap_or_else(session::shell_error)
});
}
}

View File

@ -3,7 +3,7 @@ pub const VERSION: &str = env!("CARGO_PKG_VERSION");
pub mod session;
pub mod commands;
pub mod history;
pub mod ps;
pub mod terminal;
pub mod rc;
pub mod vm;

View File

@ -1,28 +0,0 @@
pub const DEFAULT_PS: &str = concat!("lambdashell-", env!("CARGO_PKG_VERSION"), " ");
#[derive(Debug)]
pub struct Ps(String);
impl Ps {
pub const fn set(prompt: String) -> Self {
Self(prompt)
}
//rustc: `std::string::String::as_str` is not yet stable as a const fn
pub fn get(&self) -> &str {
self.0.as_str()
}
pub fn modify(&mut self, prompt: String) {
self.0 = prompt
}
pub fn display(&self) {
print!("{}", self.0);
}
pub fn working_dir_name(&self) -> String {
std::env::current_dir().map_or("?".to_owned(), |path| path.file_name().map_or("?".to_owned(), |name| {
match name.to_os_string() == whoami::username_os() {
true => "~".to_owned(),
false => name.to_string_lossy().to_string(),
}
}))
}
}

View File

@ -18,7 +18,7 @@ pub fn config_dir() -> Option<PathBuf> {
let mut config = home::home_dir()?;
config.push(".config");
config.is_valid_dir_or_create()?;
config.push("lambdashell");
config.push("pse");
config.is_valid_dir_or_create()
}

View File

@ -1,16 +1,11 @@
use std::{cell::RefCell, fs, io::{self}, rc::Rc};
use mlua::Lua as Luau;
use std::{cell::RefCell, fs, rc::Rc};
use core::fmt;
use color_print::ceprintln;
use crate::{
commands, history::History, ps::{self, Ps}, rc::{self}, vm::{self, LuauVm}
history::History, rc::{self}, terminal::TermProcessor, vm::LuauVm
};
#[inline]
pub fn shell_error<E: fmt::Display>(err: E) {
ceprintln!("<bold,r>[!]:</> {err}")
}
pub trait MapDisplay<T, E: fmt::Display> {
fn map_or_display<F: FnOnce(T)>(self, f: F);
fn map_or_display_none<R, F: FnOnce(T) -> Option<R>>(self, f: F) -> Option<R>;
@ -28,45 +23,54 @@ impl<T, E: fmt::Display> MapDisplay<T, E> for Result<T, E> {
}
}
pub fn shell_error<E: fmt::Display>(err: E) {
color_print::ceprintln!("<bold,r>[!]:</> {err}")
}
pub fn shell_error_none<T, E: fmt::Display>(err: E) -> Option<T> {
shell_error(err);
None
}
#[derive(Debug, Clone)]
pub struct VmConfig {
pub sandbox: bool,
pub jit: bool,
}
#[derive(Debug, Clone)]
pub struct Config {
pub norc: bool
pub norc: bool,
pub vm: VmConfig,
}
pub struct LambdaShell {
terminate: bool,
history: History,
config: Config,
vm: LuauVm,
ps: Rc<RefCell<Ps>>,
#[derive(Debug, Clone)]
pub struct Input {
pub literal: String,
pub cursor: u16,
}
impl LambdaShell {
pub struct Rt {
pub input: Input,
pub ps: Rc<RefCell<String>>,
pub vm: Luau,
pub history: History,
}
pub struct Pse {
pub config: Config,
pub rt: Rt
}
impl Pse {
const DEFAULT_PS: &str = concat!("pse-", env!("CARGO_PKG_VERSION"), "$ ");
pub fn create(config: Config) -> Self {
let ps = Rc::new(RefCell::new(Ps::set(ps::DEFAULT_PS.to_owned())));
Self {
ps: Rc::clone(&ps),
vm: vm::LuauVm::new(ps),
let rt = Rt {
ps: Rc::new(RefCell::new(Self::DEFAULT_PS.to_owned())),
vm: Luau::new(),
history: History::init(),
terminate: false,
config,
}
}
input: Input {
literal: String::new(),
cursor: u16::MIN,
},
};
pub fn wait(&mut self) -> Result<(), io::Error> {
io::Write::flush(&mut io::stdout()).map(|()| {
let mut input = String::new();
io::stdin().read_line(&mut input).map_or_display(|_size| match input.trim() {
"exit" => {
self.terminate = true;
self.history.add("exit");
},
trim => commands::Command::new(trim.to_owned()).exec(&mut self.history)
})
})
}
pub fn error<E: fmt::Display>(&mut self, err: E) {
shell_error(err);
self.terminate = true;
Self { rt, config }
}
pub fn start(&mut self) {
@ -74,21 +78,7 @@ impl LambdaShell {
if let Some(conf_file) = rc::config_file() {
fs::read_to_string(conf_file).map_or_display(|luau_conf| self.vm_exec(luau_conf));
}
}
self.ps.borrow().display();
loop {
if self.terminate { break } else {
match self.wait() {
Ok(()) => self.ps.borrow().display(),
Err(flush_err) => self.error(flush_err),
}
}
}
self.history.write_to_file_fallible();
}
pub fn vm_exec(&self, source: String) {
self.vm.exec(source);
};
self.term_input_processor().map_or_display(|()| self.rt.history.write_to_file_fallible())
}
}

218
src/terminal.rs Normal file
View File

@ -0,0 +1,218 @@
use crossterm::{cursor, event::{self, Event, KeyCode, KeyEvent, KeyModifiers}, execute, terminal};
use core::fmt;
use std::io::{self, Write};
use thiserror::Error;
use crate::{commands::Command, session::{self, Pse}};
#[derive(Debug, Error)]
pub enum InputHandleError {
#[error("UserExit")]
UserExit,
#[error("Sigint")]
Sigint,
#[error("Render failure: {0}")]
Write(io::Error),
#[error("Flush failure: {0}")]
Flush(io::Error),
#[error("Disabling the terminal's raw mode failed: {0}")]
EnableRaw(io::Error),
#[error("Enabling the terminal's raw mode failed: {0}")]
DisableRaw(io::Error),
#[error("key input failure: {0}")]
Key(KeyCode),
}
type InputResult<T> = Result<T, InputHandleError>;
#[allow(dead_code)]
fn debug<S: fmt::Display>(s: S) {
terminal::disable_raw_mode().unwrap();
println!("{s}");
terminal::enable_raw_mode().unwrap()
}
trait SpecificKeybinds {
const EXIT_ID_1: &str;
const KEY_SPACE: char;
fn key_literal(&mut self, keycode: KeyCode) -> InputResult<()>;
fn key_ctrl(&mut self, input_key: KeyEvent, keycode: KeyCode) -> InputResult<()>;
fn key_enter(&mut self) -> InputResult<()>;
fn key_backspace(&mut self) -> InputResult<()>;
fn key_arrow_right(&mut self) -> InputResult<()>;
fn key_arrow_left(&mut self) -> InputResult<()>;
fn key_arrow_up(&mut self) -> InputResult<()>;
fn key_arrow_down(&mut self) -> InputResult<()>;
}
impl SpecificKeybinds for Pse {
const EXIT_ID_1: &str = "exit";
const KEY_SPACE: char = ' ';
fn key_literal(&mut self, keycode: KeyCode) -> InputResult<()> {
match keycode {
KeyCode::Char(Self::KEY_SPACE) => self.term_render(Self::KEY_SPACE.to_string()),
keycode => self.term_render(keycode.to_string())
}
}
fn key_ctrl(&mut self, input_key: KeyEvent, keycode: KeyCode) -> InputResult<()> {
match input_key.modifiers.contains(KeyModifiers::CONTROL) {
true => match keycode {
KeyCode::Char('c') => Err(InputHandleError::Sigint),
KeyCode::Char('r') => unimplemented!(),
_ => Ok(())
},
false => self.key_literal(keycode)
}
}
fn key_enter(&mut self) -> InputResult<()> {
if self.rt.input.literal == Self::EXIT_ID_1 { return Err(InputHandleError::UserExit) };
terminal::disable_raw_mode().map_err(InputHandleError::DisableRaw)?;
println!();
self.spawn_sys_cmd();
self.rt.input.literal.clear();
self.rt.input.cursor = u16::MIN;
self.term_render_ps()
}
fn key_backspace(&mut self) -> InputResult<()> {
if self.rt.input.literal.pop().is_some() {
execute!(
io::stdout(),
cursor::MoveLeft(1),
terminal::Clear(terminal::ClearType::UntilNewLine)
).map_err(InputHandleError::Flush)?;
self.rt.input.cursor-=1;
}
Ok(())
}
fn key_arrow_right(&mut self) -> InputResult<()> {
match self.term_input_cursor_move_right() {
Some(()) => execute!(io::stdout(), cursor::MoveRight(1)).map_err(InputHandleError::Flush),
None => Ok(())
}
}
fn key_arrow_left(&mut self) -> InputResult<()> {
match self.term_input_cursor_move_left() {
Some(()) => execute!(io::stdout(), cursor::MoveLeft(1)).map_err(InputHandleError::Flush),
None => Ok(())
}
}
fn key_arrow_up(&mut self) -> InputResult<()> {
self.rt.history.index += 1;
if self.rt.history.index != self.rt.history.history.len() as isize {
self.term_render_reset()?;
self.term_render(self.rt.history.history[self.rt.history.index as usize].clone())?;
}
Ok(())
}
fn key_arrow_down(&mut self) -> InputResult<()> {
self.rt.history.index -= 1;
if self.rt.history.index != -1 {
self.term_render_reset()?;
self.term_render(self.rt.history.history[self.rt.history.index as usize].clone())?;
}
Ok(())
}
}
pub trait TermInputCursor {
fn term_input_cursor_move_left(&mut self) -> Option<()>;
fn term_input_cursor_move_right(&mut self) -> Option<()>;
}
impl TermInputCursor for Pse {
fn term_input_cursor_move_left(&mut self) -> Option<()> {
if self.rt.input.cursor == u16::MIN { None } else {
match self.rt.input.cursor>u16::MIN {
true => { self.rt.input.cursor-=1; Some(()) }
false => None
}
}
}
fn term_input_cursor_move_right(&mut self) -> Option<()> {
if self.rt.input.cursor == u16::MAX { None } else {
match self.rt.input.cursor<self.rt.input.literal.chars().count() as u16 {
true => { self.rt.input.cursor+=1; Some(()) },
false => None
}
}
}
}
pub trait TermProcessor {
fn term_render(&mut self, def_string: String) -> InputResult<()>;
fn term_render_ps(&self) -> InputResult<()>;
fn term_render_reset(&mut self) -> InputResult<()>;
fn term_input_handler(&mut self, input_key: KeyEvent) -> Option<()>;
fn term_input_mainthread(&mut self) -> io::Result<()>;
fn term_input_processor(&mut self) -> io::Result<()>;
}
impl TermProcessor for Pse {
fn term_render(&mut self, text: String) -> InputResult<()> {
self.rt.input.literal.insert_str(self.rt.input.cursor.into(), &text);
let input_literal_size = self.rt.input.literal.chars().count() as u16;
self.rt.input.cursor = input_literal_size;
if self.rt.input.cursor != input_literal_size {
execute!(io::stdout(), terminal::Clear(terminal::ClearType::UntilNewLine)).map_err(InputHandleError::Flush)?;
let slice = &self.rt.input.literal[(self.rt.input.cursor as usize)..];
write!(io::stdout(), "{text}{slice}").map_err(InputHandleError::Write)?;
} else {
write!(io::stdout(), "{text}").map_err(InputHandleError::Write)?;
}
io::stdout().flush().map_err(InputHandleError::Flush)
}
fn term_render_ps(&self) -> InputResult<()> {
print!("{}", self.rt.ps.borrow());
io::stdout().flush().map_err(InputHandleError::Flush)
}
fn term_render_reset(&mut self) -> InputResult<()> {
execute!(io::stdout(), cursor::MoveLeft(self.rt.input.cursor)).map_err(InputHandleError::Flush)?;
self.rt.input.cursor = u16::MIN;
self.rt.input.literal.clear();
execute!(io::stdout(), terminal::Clear(terminal::ClearType::UntilNewLine)).map_err(InputHandleError::Flush)
}
fn term_input_handler(&mut self, input_key: KeyEvent) -> Option<()> {
let input_handle = match input_key.code {
KeyCode::Enter => self.key_enter(),
KeyCode::Backspace => self.key_backspace(),
KeyCode::Tab => todo!(),
KeyCode::Right => self.key_arrow_right(),
KeyCode::Left => self.key_arrow_left(),
KeyCode::Up => self.key_arrow_up(),
KeyCode::Down => self.key_arrow_down(),
keycode => self.key_ctrl(input_key, keycode)
};
input_handle.map_or_else(|inp_err| match inp_err {
InputHandleError::UserExit => None,
InputHandleError::Sigint => self.term_render("^C".to_owned()).ok(),
input_err => session::shell_error_none(input_err)
}, Some)
}
fn term_input_mainthread(&mut self) -> io::Result<()> {
execute!(io::stdout(), event::EnableBracketedPaste)?;
self.term_render_ps().map_or_else(|_| Ok(()), |()| {
loop {
terminal::enable_raw_mode()?;
if let Event::Key(event) = event::read()? {
if self.term_input_handler(event).is_none() { break Ok(()) }
}
}
})
}
fn term_input_processor(&mut self) -> io::Result<()> {
self.term_input_mainthread()?;
terminal::disable_raw_mode()?;
execute!(io::stdout(), event::DisableBracketedPaste)
}
}

View File

@ -1,11 +1,10 @@
use mlua::{Function, Lua as Luau, MultiValue, Result as lResult, Table, Value};
use color_print::{cformat, ceprintln};
use terminal::TerminalGlobal;
use std::{cell::RefCell, rc::Rc};
use core::fmt;
use mlua::{Function, MultiValue, Result as lResult, Table, Value};
use color_print::cformat;
use shell::ShellGlobal;
use terminal::TerminalGlobal;
use core::fmt;
use crate::{ps::Ps, session::MapDisplay};
use crate::session::{Pse, MapDisplay};
mod shell;
mod terminal;
@ -18,25 +17,27 @@ impl<T, E: fmt::Display> LuauRuntimeErr<T> for Result<T, E> {
#[inline]
fn map_or_luau_rt_err<R, F: FnOnce(T) -> Option<R>>(self, f: F) -> Option<R> {
self.map_or_else(|luau_rt_err| {
ceprintln!("<bold>====</>\n<r><bold>[!]:</> {luau_rt_err}</>\n<bold>====</>");
color_print::ceprintln!("<bold>====</>\n<r><bold>[!]:</> {luau_rt_err}</>\n<bold>====</>");
None
}, f)
}
}
trait Globals {
trait VmGlobals {
const LIB_VERSION: &str;
const CONV_ERROR: &str;
fn global_warn(&self, luau_globals: &Table) -> lResult<()>;
fn global_version(&self, luau_globals: &Table) -> lResult<()>;
const LIB_NAME: &str;
fn vm_glob_warn(&self, luau_globals: &Table) -> lResult<()>;
fn vm_glob_version(&self, luau_globals: &Table) -> lResult<()>;
}
impl Globals for LuauVm {
impl VmGlobals for Pse {
const LIB_VERSION: &str = env!("CARGO_PKG_VERSION");
const LIB_NAME: &str = env!("CARGO_PKG_NAME");
const CONV_ERROR: &str = "<SHELL CONVERSION ERROR>";
fn global_warn(&self, luau_globals: &Table) -> lResult<()> {
fn vm_glob_warn(&self, luau_globals: &Table) -> lResult<()> {
let luau_print = luau_globals.get::<Function>("print")?;
luau_globals.raw_set("warn", self.vm.create_function(move |this, args: MultiValue| -> lResult<()> {
luau_globals.raw_set("warn", self.rt.vm.create_function(move |this, args: MultiValue| -> lResult<()> {
let luau_multi_values = args.into_iter()
.map(|value| cformat!("<bold,y>{}</>", value.to_string().unwrap_or(Self::CONV_ERROR.to_owned())))
.map(|arg_v| Value::String(this.create_string(arg_v).unwrap()))
@ -46,34 +47,31 @@ impl Globals for LuauVm {
})?)
}
fn global_version(&self, luau_globals: &Table) -> lResult<()> {
fn vm_glob_version(&self, luau_globals: &Table) -> lResult<()> {
let luau_info = luau_globals.get::<String>("_VERSION")?;
luau_globals.raw_set("_VERSION", format!("{luau_info}, liblambdashell {}", Self::LIB_VERSION))
luau_globals.raw_set("_VERSION", format!("{luau_info}, {} {}", Self::LIB_NAME, Self::LIB_VERSION))
}
}
pub struct LuauVm {
vm: Luau,
ps: Rc<RefCell<Ps>>
pub trait LuauVm {
fn vm_setglobs(&self) -> lResult<()>;
fn vm_exec(&self, source: String);
}
impl LuauVm {
pub(crate) fn new(ps: Rc<RefCell<Ps>>) -> Self {
Self { vm: Luau::new(), ps }
}
impl LuauVm for Pse {
fn vm_setglobs(&self) -> lResult<()> {
let luau_globals = self.rt.vm.globals();
self.vm_glob_shell(&luau_globals)?;
self.vm_glob_terminal(&luau_globals)?;
self.vm_glob_warn(&luau_globals)?;
self.vm_glob_version(&luau_globals)?;
fn set_shell_globals(&self) -> lResult<()> {
let luau_globals = self.vm.globals();
self.global_shell(&luau_globals)?;
self.global_terminal(&luau_globals)?;
self.global_warn(&luau_globals)?;
self.global_version(&luau_globals)?;
luau_globals.raw_set("getfenv", mlua::Nil)?;
luau_globals.raw_set("setfenv", mlua::Nil)?;
self.vm.sandbox(true)?;
Ok(())
self.rt.vm.enable_jit(self.config.vm.jit);
self.rt.vm.sandbox(true)
}
pub fn exec(&self, source: String) {
self.set_shell_globals().map_or_display_none(|()| self.vm.load(source).exec().map_or_luau_rt_err(Some));
fn vm_exec(&self, source: String) {
self.vm_setglobs().map_or_display_none(|()| self.rt.vm.load(source).exec().map_or_luau_rt_err(Some));
}
}

View File

@ -2,11 +2,11 @@ use mlua::{Lua as Luau, MetaMethod, Result as lResult, Table, UserData, UserData
use std::{cell::RefCell, rc::Rc};
use whoami::fallible;
use crate::{ps::Ps, vm::LuauVm};
const DEFAULT_HOSTNAME: &str = "hostname";
use crate::session::Pse;
fn luau_sys_details(luau: &Luau) -> lResult<Table> {
const DEFAULT_HOSTNAME: &str = "hostname";
let system = luau.create_table()?;
system.raw_set("DESKTOP_ENV", whoami::desktop_env().to_string())?;
system.raw_set("DEVICENAME", whoami::devicename().to_string())?;
@ -19,17 +19,18 @@ fn luau_sys_details(luau: &Luau) -> lResult<Table> {
Ok(system)
}
struct Shell(Rc<RefCell<Ps>>);
struct Shell(Rc<RefCell<String>>);
impl UserData for Shell {
fn add_fields<F: UserDataFields<Self>>(fields: &mut F) {
fields.add_field_method_get("PROMPT", |_, this| Ok(this.0.borrow().get().to_owned()));
fields.add_field_method_get("PROMPT", |_, this| Ok(this.0.borrow().to_string()));
fields.add_field_method_get("SYSTEM", |luau, _| luau_sys_details(luau));
}
fn add_methods<M: UserDataMethods<Self>>(methods: &mut M) {
methods.add_meta_method_mut(MetaMethod::NewIndex, |_, this, (tindex, tvalue): (String, String)| -> lResult<()> {
if tindex == "PROMPT" {
this.0.borrow_mut().modify(tvalue);
methods.add_meta_method_mut(MetaMethod::NewIndex, |_, this, (t_index, t_value): (String, String)| -> lResult<()> {
if t_index == "PROMPT" {
let mut prompt = this.0.borrow_mut();
*prompt = t_value;
}
Ok(())
});
@ -37,11 +38,10 @@ impl UserData for Shell {
}
pub trait ShellGlobal {
fn global_shell(&self, luau_globals: &Table) -> lResult<()>;
fn vm_glob_shell(&self, luau_globals: &Table) -> lResult<()>;
}
impl ShellGlobal for LuauVm {
fn global_shell(&self, luau_globals: &Table) -> lResult<()> {
luau_globals.set("SHELL", Shell(Rc::clone(&self.ps)))?;
Ok(())
impl ShellGlobal for Pse {
fn vm_glob_shell(&self, luau_globals: &Table) -> lResult<()> {
luau_globals.raw_set("SHELL", Shell(Rc::clone(&self.rt.ps)))
}
}

View File

@ -2,7 +2,7 @@ use mlua::{UserDataFields, Lua as Luau, Result as lResult, Table, UserData};
use const_format::str_split;
use crossterm::style::Stylize;
use crate::vm::LuauVm;
use crate::session::Pse;
macro_rules! foreground_styles_luau {
($luau:expr, $style_table:expr, $($color:ident)+) => {
@ -39,6 +39,7 @@ fn text_styles_funcs(luau: &Luau) -> lResult<(Table, Table)> {
underline_grey underline_black underline_green underline_yellow
underline_blue underline_magenta underline_cyan underline_white
bold
crossed_out
);
background_styles_luau!(luau, background_table,
on_dark_grey on_dark_red on_dark_green on_dark_cyan
@ -84,10 +85,10 @@ impl UserData for Terminal {
}
pub trait TerminalGlobal {
fn global_terminal(&self, luau_globals: &Table) -> lResult<()>;
fn vm_glob_terminal(&self, luau_globals: &Table) -> lResult<()>;
}
impl TerminalGlobal for LuauVm {
fn global_terminal(&self, luau_globals: &Table) -> lResult<()> {
impl TerminalGlobal for Pse {
fn vm_glob_terminal(&self, luau_globals: &Table) -> lResult<()> {
luau_globals.raw_set("TERMINAL", Terminal)
}
}