9 Commits

11 changed files with 292 additions and 169 deletions

67
Cargo.lock generated
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@ -16,9 +16,9 @@ checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
[[package]]
name = "bstr"
version = "1.11.1"
version = "1.11.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "786a307d683a5bf92e6fd5fd69a7eb613751668d1d8d67d802846dfe367c62c8"
checksum = "531a9155a481e2ee699d4f98f43c0ca4ff8ee1bfd55c31e9e98fb29d2b176fe0"
dependencies = [
"memchr",
"serde",
@ -32,9 +32,9 @@ checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
[[package]]
name = "cc"
version = "1.2.6"
version = "1.2.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8d6dbb628b8f8555f86d0323c2eb39e3ec81901f4b83e091db8a6a76d316a333"
checksum = "a012a0df96dd6d06ba9a1b29d6402d1a5d77c6befd2566afdc26e10603dc93d7"
dependencies = [
"shlex",
]
@ -73,6 +73,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "126f97965c8ad46d6d9163268ff28432e8f6a1196a55578867832e3049df63dd"
dependencies = [
"const_format_proc_macros",
"konst",
]
[[package]]
@ -146,6 +147,21 @@ dependencies = [
"wasm-bindgen",
]
[[package]]
name = "konst"
version = "0.2.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "330f0e13e6483b8c34885f7e6c9f19b1a7bd449c673fbb948a51c99d66ef74f4"
dependencies = [
"konst_macro_rules",
]
[[package]]
name = "konst_macro_rules"
version = "0.2.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a4933f3f57a8e9d9da04db23fb153356ecaf00cbd14aee46279c33dc80925c37"
[[package]]
name = "libc"
version = "0.2.169"
@ -198,6 +214,25 @@ version = "0.4.22"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
[[package]]
name = "lua-src"
version = "547.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1edaf29e3517b49b8b746701e5648ccb5785cde1c119062cbabbc5d5cd115e42"
dependencies = [
"cc",
]
[[package]]
name = "luajit-src"
version = "210.5.11+97813fb"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3015551c284515db7c30c559fc1080f9cb9ee990d1f6fca315451a107c7540bb"
dependencies = [
"cc",
"which",
]
[[package]]
name = "luau0-src"
version = "0.11.2+luau653"
@ -254,6 +289,8 @@ checksum = "63a11d485edf0f3f04a508615d36c7d50d299cf61a7ee6d3e2530651e0a31771"
dependencies = [
"cc",
"cfg-if",
"lua-src",
"luajit-src",
"luau0-src",
"pkg-config",
]
@ -428,9 +465,9 @@ checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
[[package]]
name = "syn"
version = "2.0.94"
version = "2.0.95"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "987bc0be1cdea8b10216bd06e2ca407d40b9543468fafd3ddfb02f36e77f71f3"
checksum = "46f71c0377baf4ef1cc3e3402ded576dccc315800fbc62dfc7fe04b009773b4a"
dependencies = [
"proc-macro2",
"quote",
@ -555,6 +592,18 @@ dependencies = [
"wasm-bindgen",
]
[[package]]
name = "which"
version = "6.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b4ee928febd44d98f2f459a4a79bd4d928591333a494a10a868418ac1b39cf1f"
dependencies = [
"either",
"home",
"rustix",
"winsafe",
]
[[package]]
name = "whoami"
version = "1.5.2"
@ -669,3 +718,9 @@ name = "windows_x86_64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
[[package]]
name = "winsafe"
version = "0.0.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d135d17ab770252ad95e9a872d365cf3090e3be864a34ab46f48555993efc904"

View File

@ -5,10 +5,10 @@ edition = "2021"
[dependencies]
color-print = "0.3.7"
const_format = "0.2.33"
const_format = { version = "0.2.34", features = ["rust_1_64"] }
crossterm = "0.28.1"
home = "0.5.9"
mlua = { version = "0.10.0", features = ["luau-jit"] }
mlua = { version = "0.10.0", features = ["luau-jit", "vendored"] }
thiserror = "2.0.9"
uzers = "0.12.1"
whoami = "1.5.2"

21
LICENSE Normal file
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@ -0,0 +1,21 @@
MIT License
Copyright (c) 2025 rhpidfyre
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@ -1,13 +1,8 @@
pub const VERSION: &str = env!("CARGO_PKG_VERSION");
pub mod shell;
mod commands;
mod ps;
mod rc;
pub mod session;
pub mod commands;
pub mod ps;
pub mod rc;
#[path = "./luau/vm.rs"]
mod vm;
#[path = "./luau/alias.rs"]
mod alias;
#[path = "./luau/terminal.rs"]
mod terminal;
pub mod vm;

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@ -1,84 +0,0 @@
use mlua::{
Lua as Luau,
Result as lResult,
MultiValue,
};
use crate::VERSION;
use crate::terminal::TerminalColors;
use core::fmt;
use color_print::cprintln;
fn display_none<T, E>(err: E) -> Option<T>
where
E: fmt::Display
{
println!("{err}");
None
}
fn luau_error<T>(err: mlua::Error) -> Option<T> {
cprintln!("<bold>====</>\n<r><bold>[!]</> {err}</>\n<bold>====</>");
None
}
fn luau_out(luau_args: MultiValue) -> String {
let mut print = String::new();
luau_args.iter()
.map(|arg| arg.to_string().unwrap_or("<SHELL CONVERSION ERROR>".to_owned()))
.for_each(|arg| {
if !print.is_empty() {
print.push('\u{0009}');
};
print.push_str(&arg);
}
);
print
}
trait Globals {
fn print(&self) -> lResult<()>;
fn printraw(&self) -> lResult<()>;
fn version(&self) -> lResult<()>;
}
impl Globals for Vm {
fn print(&self) -> lResult<()> {
self.0.globals().set("print", self.0.create_function(|_this, args: MultiValue| -> lResult<()> {
println!("{}", luau_out(args));
Ok(())
})?)
}
fn printraw(&self) -> lResult<()> {
self.0.globals().set("printraw", self.0.create_function(|_this, args: MultiValue| -> lResult<()> {
println!("{}", luau_out(args));
Ok(())
})?)
}
fn version(&self) -> lResult<()> {
let luau_info = self.0.globals().get::<String>("_VERSION")?;
self.0.globals().set("_VERSION", format!("{}, liblambdashell {}", luau_info, VERSION))
}
}
pub struct Vm(pub Luau);
impl Vm {
pub fn new() -> Self {
Self(Luau::new())
}
fn set_shell_globals(&self) -> mlua::Result<()> {
self.print()?;
self.printraw()?;
self.version()?;
self.terminal()?;
self.0.globals().set("getfenv", mlua::Nil)?;
self.0.globals().set("setfenv", mlua::Nil)?;
self.0.sandbox(true)?;
Ok(())
}
pub fn exec(&self, source: String) {
self.set_shell_globals().map_or_else(display_none, |()| {
self.0.load(source).exec().map_or_else(luau_error, |()| Some(()))
});
}
}

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@ -1,21 +1,26 @@
use const_format::formatcp;
use color_print::{cformat, cprint};
pub const DEFAULT_PS: &str = formatcp!("lambdashell-{}", env!("CARGO_PKG_VERSION"));
pub fn working_dir_name() -> String {
std::env::current_dir().map_or("?".to_owned(), |path| {
path.file_name().map_or("?".to_owned(), |name| {
let name_os_string = name.to_os_string();
match name_os_string == whoami::username_os() && name_os_string != "root" {
true => "~".to_owned(),
false => name.to_string_lossy().to_string(),
}
})
})
}
struct Ps(String);
impl Ps {
fn set(prompt: String) -> Self {
Self(prompt)
}
pub fn display(ps1: &String) {
let working_dir_name = cformat!(" <bold>{}</> ", working_dir_name());
cprint!("{}{}λ ", ps1, working_dir_name);
fn working_dir_name(&self) -> String {
std::env::current_dir().map_or("?".to_owned(), |path| {
path.file_name().map_or("?".to_owned(), |name| {
let name_os_string = name.to_os_string();
match name_os_string == whoami::username_os() && name_os_string != "root" {
true => "~".to_owned(),
false => name.to_string_lossy().to_string(),
}
})
})
}
fn display(&self) {
print!("{}", self.0);
}
}

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@ -1,20 +1,12 @@
use crate::{ps, commands, rc, vm};
use crate::{commands, ps, rc, vm::{LuauVm, self}};
use std::{fs, io::{self}};
pub struct Config {
pub norc: bool
}
trait ShellLuauVm {
fn shell_vm_exec(&self, source: String);
}
impl ShellLuauVm for LambdaShell {
fn shell_vm_exec(&self, source: String) {
vm::Vm::new().exec(source);
}
}
pub struct LambdaShell {
vm: LuauVm,
ps1: String,
config: Config,
terminating: bool,
@ -22,6 +14,7 @@ pub struct LambdaShell {
impl LambdaShell {
pub fn create(config: Config) -> Self {
Self {
vm: vm::LuauVm::new(),
ps1: ps::DEFAULT_PS.to_owned(),
terminating: false,
config,
@ -41,30 +34,27 @@ impl LambdaShell {
})
}
fn rc_parse(&self) {
if !self.config.norc {
if let Some(conf_file) = rc::config_file() {
match fs::read_to_string(conf_file) {
Ok(luau_conf) => self.shell_vm_exec(luau_conf),
Err(read_err) => println!("{read_err}"),
}
}
}
pub fn vm_exec(&self, source: String) {
self.vm.exec(source);
}
pub fn start(&mut self) {
self.rc_parse();
ps::display(&self.ps1);
if !self.config.norc {
if let Some(conf_file) = rc::config_file() {
fs::read_to_string(conf_file).map_or_else(|e| println!("{e}"), |luau_conf| self.vm_exec(luau_conf));
}
}
loop {
match self.terminating {
true => break,
false => match self.wait() {
Ok(()) => ps::display(&self.ps1),
Err(flush_error) => {
println!("{flush_error}");
break;
false => {
match self.wait() {
Ok(()) => {},
Err(flush_error) => {
println!("{flush_error}");
break;
}
}
},
}

76
src/vm/mod.rs Normal file
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@ -0,0 +1,76 @@
use mlua::{
Function, Lua as Luau, MultiValue, Result as lResult, Table, Value
};
use crate::vm::{shell::System, terminal::Terminal};
use crate::VERSION;
use color_print::{cformat, cprintln};
use core::fmt;
mod shell;
mod terminal;
mod alias;
trait Helpers {
fn option_display_none<T, E: fmt::Display>(&self, err: E) -> Option<T>;
fn luau_error<T>(&self, err: mlua::Error) -> Option<T>;
}
impl Helpers for LuauVm {
fn option_display_none<T, E: fmt::Display>(&self, err: E) -> Option<T> {
println!("{err}");
None
}
fn luau_error<T>(&self, err: mlua::Error) -> Option<T> {
cprintln!("<bold>====</>\n<r><bold>[!]:</> {err}</>\n<bold>====</>");
None
}
}
trait Globals {
fn global_warn(&self, luau_globals: &Table) -> lResult<()>;
fn global_version(&self, luau_globals: &Table) -> lResult<()>;
}
impl Globals for LuauVm {
fn global_warn(&self, luau_globals: &Table) -> lResult<()> {
let luau_print = luau_globals.get::<Function>("print")?;
luau_globals.set("warn", self.0.create_function(move |this, args: MultiValue| -> lResult<()> {
let luau_multi_values = args.into_iter()
.map(|value| cformat!("<y>{}</>", value.to_string().unwrap_or("<SHELL CONVERSION ERROR>".to_owned())))
.map(|arg_v| Value::String(this.create_string(arg_v).unwrap()))
.collect::<MultiValue>();
luau_print.call::<()>(luau_multi_values).unwrap();
Ok(())
})?)
}
fn global_version(&self, luau_globals: &Table) -> lResult<()> {
let luau_info = luau_globals.get::<String>("_VERSION")?;
luau_globals.set("_VERSION", format!("{}, liblambdashell {}", luau_info, VERSION))
}
}
pub struct LuauVm(pub Luau);
impl LuauVm {
pub(crate) fn new() -> Self {
Self(Luau::new())
}
fn set_shell_globals(&self) -> lResult<()> {
let luau_globals = self.0.globals();
self.global_warn(&luau_globals)?;
self.global_version(&luau_globals)?;
self.global_terminal(&luau_globals)?;
self.shell_globals(&luau_globals)?;
luau_globals.set("getfenv", mlua::Nil)?;
luau_globals.set("setfenv", mlua::Nil)?;
self.0.sandbox(true)?;
Ok(())
}
pub fn exec(&self, source: String) {
match self.set_shell_globals() {
Ok(()) => self.0.load(source).exec().map_or_else(|exec_err| self.luau_error(exec_err), Some),
Err(globals_err) => self.option_display_none(globals_err),
};
}
}

52
src/vm/shell.rs Normal file
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@ -0,0 +1,52 @@
use mlua::{Result as lResult, Table, Value};
use whoami::fallible;
use crate::vm::LuauVm;
const DEFAULT_HOSTNAME: &str = "hostname";
pub trait PsPrompt {
fn ps_prompt(&self) -> lResult<Table>;
}
impl PsPrompt for LuauVm {
fn ps_prompt(&self) -> lResult<Table> {
let prompt_table = self.0.create_table()?;
let prompt_metatable = self.0.create_table()?;
prompt_metatable.set("__index", self.0.create_function(|_, (table, index): (Table, Value)| -> lResult<String> {
table.raw_get::<String>(index)
})?)?;
prompt_metatable.set("__newindex", self.0.create_function(|_, _: String| -> lResult<String> {
Ok("placeholder".to_owned())
})?)?;
prompt_table.set("__metatable", mlua::Nil)?;
prompt_table.set_metatable(Some(prompt_metatable));
Ok(prompt_table)
}
}
pub trait System {
fn sys_details(&self, shell: &Table) -> lResult<()>;
fn shell_globals(&self, luau_globals: &Table) -> lResult<()>;
}
impl System for LuauVm {
fn sys_details(&self, shell: &Table) -> lResult<()> {
let system = self.0.create_table()?;
system.set("DESKTOP_ENV", whoami::desktop_env().to_string())?;
system.set("DEVICENAME", whoami::devicename().to_string())?;
system.set("USERNAME", whoami::username().to_string())?;
system.set("REALNAME", whoami::realname().to_string())?;
system.set("PLATFORM", whoami::platform().to_string())?;
system.set("DISTRO", whoami::distro().to_string())?;
system.set("HOSTNAME", fallible::hostname().unwrap_or(DEFAULT_HOSTNAME.to_owned()))?;
shell.set("SYSTEM", system)?;
Ok(())
}
fn shell_globals(&self, luau_globals: &Table) -> lResult<()> {
let shell = self.0.create_table()?;
let ps_prompt = self.ps_prompt()?;
self.sys_details(&shell)?;
shell.set("PROMPT", ps_prompt)?;
luau_globals.set("SHELL", shell)?;
Ok(())
}
}

View File

@ -1,6 +1,7 @@
use mlua::{Result as lResult, Table};
use const_format::str_split;
use mlua::{Function, Result as lResult, Table};
use crossterm::style::Stylize;
use crate::vm::Vm;
use crate::vm::LuauVm;
macro_rules! foreground_styles_luau {
($self:expr, $style_table:expr, $($color:ident)+) => {
@ -11,27 +12,23 @@ macro_rules! foreground_styles_luau {
)+
};
}
macro_rules! background_styles_luau {
($self:expr, $style_table:expr, $($color:ident)+) => {
$(
match stringify!($color).split_once("_") {
Some((_, color_name)) => $style_table.set(color_name.to_ascii_uppercase(), $self.0.create_function(|_, text: String| -> lResult<String> {
Ok(text.$color().to_string())
})?)?,
None => panic!("Luau set error: {:?}. There was nothing to split from delimiter: \"_\"", stringify!($color)),
}
$style_table.set(str_split!(stringify!($color), "_")[1..].join("_").to_ascii_uppercase(), $self.0.create_function(|_, text: String| -> lResult<String> {
Ok(text.$color().to_string())
})?)?;
)+
};
}
pub trait TerminalColors {
#[allow(dead_code)]
trait Colors {
fn background(&self, style_table: &Table) -> lResult<()>;
fn foreground(&self, style_table: &Table) -> lResult<()>;
fn styling(&self) -> lResult<Table>;
fn terminal(&self) -> lResult<()>;
fn styling(&self, term_out_table: &Table) -> lResult<()>;
}
impl TerminalColors for Vm {
impl Colors for LuauVm {
fn background(&self, style_table: &Table) -> lResult<()> {
let foreground_table = self.0.create_table()?;
foreground_styles_luau!(self, foreground_table,
@ -46,8 +43,7 @@ impl TerminalColors for Vm {
underline_blue underline_magenta underline_cyan underline_white
bold
);
style_table.set("FOREGROUND", foreground_table)?;
Ok(())
style_table.set("FOREGROUND", foreground_table)
}
fn foreground(&self, style_table: &Table) -> lResult<()> {
@ -60,21 +56,38 @@ impl TerminalColors for Vm {
on_blue on_magenta
on_cyan on_white
);
style_table.set("BACKGROUND", background_table)?;
Ok(())
style_table.set("BACKGROUND", background_table)
}
fn styling(&self) -> lResult<Table> {
fn styling(&self, term_out_table: &Table) -> lResult<()> {
let style_table = self.0.create_table()?;
self.foreground(&style_table)?;
self.background(&style_table)?;
Ok(style_table)
}
fn terminal(&self) -> lResult<()> {
let term_table = self.0.create_table()?;
term_table.set("OUT", self.styling()?)?;
self.0.globals().set("TERMINAL", &term_table)?;
Ok(())
term_out_table.set("STYLE", style_table)
}
}
#[allow(dead_code)]
trait Write {
fn write(&self, term_out_table: &Table) -> lResult<()>;
}
impl Write for LuauVm {
fn write(&self, term_out_table: &Table) -> lResult<()> {
term_out_table.set("WRITE", self.0.create_function(|_, s: String| -> lResult<()> {
print!("{s}");
Ok(())
})?)
}
}
pub trait Terminal {
fn global_terminal(&self, luau_globals: &Table) -> lResult<()>;
}
impl Terminal for LuauVm {
fn global_terminal(&self, luau_globals: &Table) -> lResult<()> {
let term_table = self.0.create_table()?;
let term_out_table = self.0.create_table()?;
term_table.set("OUT", term_out_table)?;
luau_globals.set("TERMINAL", &term_table)
}
}