8 Commits

12 changed files with 292 additions and 170 deletions

67
Cargo.lock generated
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@ -16,9 +16,9 @@ checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
[[package]] [[package]]
name = "bstr" name = "bstr"
version = "1.11.1" version = "1.11.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "786a307d683a5bf92e6fd5fd69a7eb613751668d1d8d67d802846dfe367c62c8" checksum = "531a9155a481e2ee699d4f98f43c0ca4ff8ee1bfd55c31e9e98fb29d2b176fe0"
dependencies = [ dependencies = [
"memchr", "memchr",
"serde", "serde",
@ -32,9 +32,9 @@ checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
[[package]] [[package]]
name = "cc" name = "cc"
version = "1.2.6" version = "1.2.7"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8d6dbb628b8f8555f86d0323c2eb39e3ec81901f4b83e091db8a6a76d316a333" checksum = "a012a0df96dd6d06ba9a1b29d6402d1a5d77c6befd2566afdc26e10603dc93d7"
dependencies = [ dependencies = [
"shlex", "shlex",
] ]
@ -73,6 +73,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "126f97965c8ad46d6d9163268ff28432e8f6a1196a55578867832e3049df63dd" checksum = "126f97965c8ad46d6d9163268ff28432e8f6a1196a55578867832e3049df63dd"
dependencies = [ dependencies = [
"const_format_proc_macros", "const_format_proc_macros",
"konst",
] ]
[[package]] [[package]]
@ -146,6 +147,21 @@ dependencies = [
"wasm-bindgen", "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]] [[package]]
name = "libc" name = "libc"
version = "0.2.169" version = "0.2.169"
@ -198,6 +214,25 @@ version = "0.4.22"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24" 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]] [[package]]
name = "luau0-src" name = "luau0-src"
version = "0.11.2+luau653" version = "0.11.2+luau653"
@ -254,6 +289,8 @@ checksum = "63a11d485edf0f3f04a508615d36c7d50d299cf61a7ee6d3e2530651e0a31771"
dependencies = [ dependencies = [
"cc", "cc",
"cfg-if", "cfg-if",
"lua-src",
"luajit-src",
"luau0-src", "luau0-src",
"pkg-config", "pkg-config",
] ]
@ -428,9 +465,9 @@ checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
[[package]] [[package]]
name = "syn" name = "syn"
version = "2.0.94" version = "2.0.95"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "987bc0be1cdea8b10216bd06e2ca407d40b9543468fafd3ddfb02f36e77f71f3" checksum = "46f71c0377baf4ef1cc3e3402ded576dccc315800fbc62dfc7fe04b009773b4a"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
@ -555,6 +592,18 @@ dependencies = [
"wasm-bindgen", "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]] [[package]]
name = "whoami" name = "whoami"
version = "1.5.2" version = "1.5.2"
@ -669,3 +718,9 @@ name = "windows_x86_64_msvc"
version = "0.52.6" version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec" 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] [dependencies]
color-print = "0.3.7" color-print = "0.3.7"
const_format = "0.2.33" const_format = { version = "0.2.34", features = ["rust_1_64"] }
crossterm = "0.28.1" crossterm = "0.28.1"
home = "0.5.9" 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" thiserror = "2.0.9"
uzers = "0.12.1" uzers = "0.12.1"
whoami = "1.5.2" 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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@ -1,15 +1,8 @@
pub const VERSION: &str = env!("CARGO_PKG_VERSION"); pub const VERSION: &str = env!("CARGO_PKG_VERSION");
pub mod shell; pub mod session;
mod commands; pub mod commands;
mod ps; pub mod ps;
mod rc; pub mod rc;
#[path = "./luau/vm.rs"] pub mod vm;
mod vm;
#[path = "./luau/alias.rs"]
mod alias;
#[path = "./luau/terminal.rs"]
mod terminal;
#[path = "./luau/system.rs"]
mod sytem;

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@ -1,31 +0,0 @@
use mlua::{Result as lResult, Table};
use whoami::fallible;
use crate::vm::Vm;
const DEFAULT_HOSTNAME: &str = "hostname";
pub trait System {
fn details(&self, shell: &Table) -> lResult<()>;
fn global_shell(&self) -> lResult<()>;
}
impl System for Vm {
fn 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 global_shell(&self) -> lResult<()> {
let shell = self.0.create_table()?;
self.details(&shell)?;
self.0.globals().set("SHELL", shell)?;
Ok(())
}
}

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@ -1,52 +0,0 @@
use mlua::{
Lua as Luau,
Result as lResult
};
use crate::VERSION;
use crate::terminal::TerminalColors;
use crate::sytem::System;
use core::fmt;
use color_print::cprintln;
fn display_none<T, E: fmt::Display>(err: E) -> Option<T> {
println!("{err}");
None
}
fn luau_error<T>(err: mlua::Error) -> Option<T> {
cprintln!("<bold>====</>\n<r><bold>[!]</> {err}</>\n<bold>====</>");
None
}
trait Globals {
fn version(&self) -> lResult<()>;
}
impl Globals for Vm {
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.version()?;
self.terminal()?;
self.global_shell()?;
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 const_format::formatcp;
use color_print::{cformat, cprint};
pub const DEFAULT_PS: &str = formatcp!("lambdashell-{}", env!("CARGO_PKG_VERSION")); pub const DEFAULT_PS: &str = formatcp!("lambdashell-{}", env!("CARGO_PKG_VERSION"));
pub fn working_dir_name() -> String { struct Ps(String);
std::env::current_dir().map_or("?".to_owned(), |path| { impl Ps {
path.file_name().map_or("?".to_owned(), |name| { fn set(prompt: String) -> Self {
let name_os_string = name.to_os_string(); Self(prompt)
match name_os_string == whoami::username_os() && name_os_string != "root" { }
true => "~".to_owned(),
false => name.to_string_lossy().to_string(),
}
})
})
}
pub fn display(ps1: &String) { fn working_dir_name(&self) -> String {
let working_dir_name = cformat!(" <bold>{}</> ", working_dir_name()); std::env::current_dir().map_or("?".to_owned(), |path| {
cprint!("{}{}λ ", ps1, working_dir_name); 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);
}
}

View File

@ -1,20 +1,12 @@
use crate::{ps, commands, rc, vm}; use crate::{commands, ps, rc, vm::{LuauVm, self}};
use std::{fs, io::{self}}; use std::{fs, io::{self}};
pub struct Config { pub struct Config {
pub norc: bool 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 { pub struct LambdaShell {
vm: LuauVm,
ps1: String, ps1: String,
config: Config, config: Config,
terminating: bool, terminating: bool,
@ -22,6 +14,7 @@ pub struct LambdaShell {
impl LambdaShell { impl LambdaShell {
pub fn create(config: Config) -> Self { pub fn create(config: Config) -> Self {
Self { Self {
vm: vm::LuauVm::new(),
ps1: ps::DEFAULT_PS.to_owned(), ps1: ps::DEFAULT_PS.to_owned(),
terminating: false, terminating: false,
config, config,
@ -41,30 +34,27 @@ impl LambdaShell {
}) })
} }
fn rc_parse(&self) { pub fn vm_exec(&self, source: String) {
if !self.config.norc { self.vm.exec(source);
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 start(&mut self) { pub fn start(&mut self) {
self.rc_parse(); if !self.config.norc {
if let Some(conf_file) = rc::config_file() {
ps::display(&self.ps1); fs::read_to_string(conf_file).map_or_else(|e| println!("{e}"), |luau_conf| self.vm_exec(luau_conf));
}
}
loop { loop {
match self.terminating { match self.terminating {
true => break, true => break,
false => match self.wait() { false => {
Ok(()) => ps::display(&self.ps1),
Err(flush_error) => { match self.wait() {
println!("{flush_error}"); Ok(()) => {},
break; 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 crossterm::style::Stylize;
use crate::vm::Vm; use crate::vm::LuauVm;
macro_rules! foreground_styles_luau { macro_rules! foreground_styles_luau {
($self:expr, $style_table:expr, $($color:ident)+) => { ($self:expr, $style_table:expr, $($color:ident)+) => {
@ -11,27 +12,23 @@ macro_rules! foreground_styles_luau {
)+ )+
}; };
} }
macro_rules! background_styles_luau { macro_rules! background_styles_luau {
($self:expr, $style_table:expr, $($color:ident)+) => { ($self:expr, $style_table:expr, $($color:ident)+) => {
$( $(
match stringify!($color).split_once("_") { $style_table.set(str_split!(stringify!($color), "_")[1..].join("_").to_ascii_uppercase(), $self.0.create_function(|_, text: String| -> lResult<String> {
Some((_, color_name)) => $style_table.set(color_name.to_ascii_uppercase(), $self.0.create_function(|_, text: String| -> lResult<String> { Ok(text.$color().to_string())
Ok(text.$color().to_string()) })?)?;
})?)?,
None => panic!("Luau set error: {:?}. There was nothing to split from delimiter: \"_\"", stringify!($color)),
}
)+ )+
}; };
} }
pub trait TerminalColors { #[allow(dead_code)]
trait Colors {
fn background(&self, style_table: &Table) -> lResult<()>; fn background(&self, style_table: &Table) -> lResult<()>;
fn foreground(&self, style_table: &Table) -> lResult<()>; fn foreground(&self, style_table: &Table) -> lResult<()>;
fn styling(&self) -> lResult<Table>; fn styling(&self, term_out_table: &Table) -> lResult<()>;
fn terminal(&self) -> lResult<()>;
} }
impl TerminalColors for Vm { impl Colors for LuauVm {
fn background(&self, style_table: &Table) -> lResult<()> { fn background(&self, style_table: &Table) -> lResult<()> {
let foreground_table = self.0.create_table()?; let foreground_table = self.0.create_table()?;
foreground_styles_luau!(self, foreground_table, foreground_styles_luau!(self, foreground_table,
@ -46,8 +43,7 @@ impl TerminalColors for Vm {
underline_blue underline_magenta underline_cyan underline_white underline_blue underline_magenta underline_cyan underline_white
bold bold
); );
style_table.set("FOREGROUND", foreground_table)?; style_table.set("FOREGROUND", foreground_table)
Ok(())
} }
fn foreground(&self, style_table: &Table) -> lResult<()> { fn foreground(&self, style_table: &Table) -> lResult<()> {
@ -60,21 +56,38 @@ impl TerminalColors for Vm {
on_blue on_magenta on_blue on_magenta
on_cyan on_white on_cyan on_white
); );
style_table.set("BACKGROUND", background_table)?; style_table.set("BACKGROUND", background_table)
Ok(())
} }
fn styling(&self) -> lResult<Table> { fn styling(&self, term_out_table: &Table) -> lResult<()> {
let style_table = self.0.create_table()?; let style_table = self.0.create_table()?;
self.foreground(&style_table)?; self.foreground(&style_table)?;
self.background(&style_table)?; self.background(&style_table)?;
Ok(style_table) term_out_table.set("STYLE", style_table)
} }
}
fn terminal(&self) -> lResult<()> { #[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_table = self.0.create_table()?;
term_table.set("OUT", self.styling()?)?; let term_out_table = self.0.create_table()?;
self.0.globals().set("TERMINAL", &term_table)?; term_table.set("OUT", term_out_table)?;
Ok(()) luau_globals.set("TERMINAL", &term_table)
} }
} }