Compare commits

...

44 Commits

Author SHA1 Message Date
3a7f2366e4 Ensure spawn order is consistent 2025-06-27 04:29:11 +10:00
8443c44671 Test that task properly unrefs its table 2025-06-27 04:24:10 +10:00
72b3afaeea Add sleep test 2025-06-27 04:11:31 +10:00
503985269a Don't need to run all tests in workspace in bacon 2025-06-27 04:06:45 +10:00
0839e7ce9a Add task spawn tests 2025-06-27 04:06:35 +10:00
cdfb2522ac Add tempdir support 2025-06-27 03:53:08 +10:00
0c4639c3e9 Add basic tcp socket test 2025-06-27 03:29:29 +10:00
4f548bf9e9 More descriptive parameters 2025-06-27 03:18:25 +10:00
40829cdfc6 Implement basic lua test harness 2025-06-27 03:11:49 +10:00
db4faea821 Implement walk_dir and more robust globbing 2025-06-27 01:36:08 +10:00
2964ebbe1b Add basic glob function 2025-06-26 23:56:09 +10:00
b1572cc9f1 Rename lsdir to read_dir and dirent to dir_entry 2025-06-26 23:24:48 +10:00
862fcfe891 Add links to lua pdf in metamethod doc 2025-06-26 23:08:28 +10:00
6a194e98e8 Document structs in fslib 2025-06-26 23:08:13 +10:00
d2e06c9a70 Add stab tag for async functions 2025-06-26 22:58:30 +10:00
679ffed807 Implement lsdir and file info functions 2025-06-26 22:46:27 +10:00
549f96d4dc Warn missing documentation 2025-06-26 21:32:38 +10:00
09d7e51345 Add tokio/rt feature only if task feature is enabled 2025-06-26 21:10:07 +10:00
8a74ade6a6 Implement task handle awaiting 2025-06-26 20:18:16 +10:00
9338be7eb0 Add many lua annotation 2025-06-26 19:25:03 +10:00
240e0111bf Fix lua finaliser parameter check 2025-06-26 19:24:19 +10:00
01f459ffaf Implement task sleep function 2025-06-26 18:47:43 +10:00
9b7dbcc141 Implement proper error handlign in spawned tasks 2025-06-26 18:47:31 +10:00
24c5e9edc2 Include lb_tasklib::spawn in globals 2025-06-26 17:52:31 +10:00
0cafac0948 Let modules decide their own name via #[cdef] macro 2025-06-26 17:47:21 +10:00
1c1753234d Rename MetatypeMethodBuilder to MetatypeFunctionBuilder 2025-06-26 17:12:00 +10:00
31b5ff5ab9 Make all modules feature-gated to improve compile time 2025-06-26 16:54:58 +10:00
2078dd0d8e Delete test.lua 2025-06-26 13:57:45 +10:00
dfd57e0ad0 Add macro to luaify blocks instead of exprs 2025-06-26 13:57:10 +10:00
2a6015c19a Use pretty assertions in luaify tests 2025-06-26 13:48:54 +10:00
88ab48cddb Modules should be registered in luby not lb 2025-06-26 13:46:39 +10:00
bcb734846d Implement lb_tcpsocket 2025-06-26 13:07:24 +10:00
2fe9515702 Add newlines in generated cdef for readability 2025-06-26 13:06:39 +10:00
f456a544e1 Disable all lualsp diagnostics in lib.lua 2025-06-26 13:05:50 +10:00
ba969b9e56 Rename lb_libx to lb_xlib 2025-06-26 00:40:26 +10:00
da5acd6bc8 Add stab tag for metamethods 2025-06-26 00:39:22 +10:00
cbb47840e4 Alias stub types to rust types where possible 2025-06-25 23:16:42 +10:00
2967513cbb Allowing dumping generated cdef 2025-06-25 22:48:46 +10:00
014687068f Add file write operations 2025-06-25 22:26:43 +10:00
85a0110e1a Disable warnings in luaffi lib.lua 2025-06-25 22:19:17 +10:00
91302db725 Print nicer error messages 2025-06-25 21:45:29 +10:00
c249549b3c Fix unknown feature warning 2025-06-25 21:25:02 +10:00
30596d9331 Impl generic From/IntoFfi for Option 2025-06-25 21:24:24 +10:00
530a1530ba Call it library not module 2025-06-25 20:13:09 +10:00
40 changed files with 1704 additions and 494 deletions

View File

@@ -1,5 +1,9 @@
{
"$schema": "https://raw.githubusercontent.com/LuaLS/vscode-lua/master/setting/schema.json",
"runtime.version": "LuaJIT",
"diagnostics.disable": ["redefined-local", "lowercase-global"]
"diagnostics.disable": [
"undefined-global",
"redefined-local",
"lowercase-global"
]
}

143
Cargo.lock generated
View File

@@ -534,6 +534,12 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "diff"
version = "0.1.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
[[package]]
name = "displaydoc"
version = "0.2.5"
@@ -573,6 +579,12 @@ dependencies = [
"windows-sys 0.60.2",
]
[[package]]
name = "fastrand"
version = "2.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
[[package]]
name = "flate2"
version = "1.1.2"
@@ -685,6 +697,19 @@ version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"
[[package]]
name = "globset"
version = "0.4.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "54a1028dfc5f5df5da8a56a73e6c153c9a9708ec57232470703592a3f18e49f5"
dependencies = [
"aho-corasick",
"bstr",
"log",
"regex-automata 0.4.9",
"regex-syntax 0.8.5",
]
[[package]]
name = "h2"
version = "0.4.10"
@@ -1025,14 +1050,15 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
name = "lb"
version = "0.0.1"
dependencies = [
"camino",
"derive_more",
"globset",
"luaffi",
"luaify",
"luajit",
"sysexits",
"tempfile",
"thiserror",
"tokio",
"tracing",
"walkdir",
]
[[package]]
@@ -1097,16 +1123,6 @@ version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "241eaef5fd12c88705a01fc1066c48c4b36e0dd4377dcdc7ec3942cea7a69956"
[[package]]
name = "lock_api"
version = "0.4.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "96936507f153605bddfcda068dd804796c84324ed2510809e5b2a624c81da765"
dependencies = [
"autocfg",
"scopeguard",
]
[[package]]
name = "log"
version = "0.4.27"
@@ -1138,6 +1154,7 @@ dependencies = [
name = "luaify"
version = "0.0.1"
dependencies = [
"pretty_assertions",
"proc-macro2",
"quote",
"syn",
@@ -1319,29 +1336,6 @@ version = "4.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "48dd4f4a2c8405440fd0462561f0e5806bd0f77e86f51c761481bdd4018b545e"
[[package]]
name = "parking_lot"
version = "0.12.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70d58bf43669b5795d1576d0641cfb6fbb2057bf629506267a92807158584a13"
dependencies = [
"lock_api",
"parking_lot_core",
]
[[package]]
name = "parking_lot_core"
version = "0.9.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bc838d2a56b5b1a6c25f55575dfc605fabb63bb2365f6c2353ef9159aa69e4a5"
dependencies = [
"cfg-if",
"libc",
"redox_syscall",
"smallvec",
"windows-targets 0.52.6",
]
[[package]]
name = "percent-encoding"
version = "2.3.1"
@@ -1410,6 +1404,16 @@ dependencies = [
"zerocopy",
]
[[package]]
name = "pretty_assertions"
version = "1.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3ae130e2f271fbc2ac3a40fb1d07180839cdbbe443c7a27e1e3c13c5cac0116d"
dependencies = [
"diff",
"yansi",
]
[[package]]
name = "prettyplease"
version = "0.2.35"
@@ -1506,15 +1510,6 @@ dependencies = [
"getrandom 0.2.16",
]
[[package]]
name = "redox_syscall"
version = "0.5.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0d04b7d0ee6b4a0207a0a7adb104d23ecb0b47d6beae7152d0fa34b692b29fd6"
dependencies = [
"bitflags",
]
[[package]]
name = "regex"
version = "1.11.1"
@@ -1606,10 +1601,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
[[package]]
name = "scopeguard"
version = "1.2.0"
name = "same-file"
version = "1.0.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
dependencies = [
"winapi-util",
]
[[package]]
name = "semver"
@@ -1667,15 +1665,6 @@ version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
[[package]]
name = "signal-hook-registry"
version = "1.4.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9203b8055f63a2a00e2f593bb0510367fe707d7ff1e5c872de2f537b339e5410"
dependencies = [
"libc",
]
[[package]]
name = "simdutf8"
version = "0.1.5"
@@ -1750,6 +1739,19 @@ version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "198f60d1f7f003f168507691e42d082df109ef0f05c6fd006e22528371a5f1b4"
[[package]]
name = "tempfile"
version = "3.20.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e8a64e3985349f2441a1a9ef0b853f869006c3855f2cda6862a94d26ebb9d6a1"
dependencies = [
"fastrand",
"getrandom 0.3.3",
"once_cell",
"rustix",
"windows-sys 0.59.0",
]
[[package]]
name = "thiserror"
version = "2.0.12"
@@ -1832,9 +1834,7 @@ dependencies = [
"bytes",
"libc",
"mio",
"parking_lot",
"pin-project-lite",
"signal-hook-registry",
"socket2",
"tokio-macros",
"tracing",
@@ -2113,6 +2113,16 @@ dependencies = [
"rustversion",
]
[[package]]
name = "walkdir"
version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
dependencies = [
"same-file",
"winapi-util",
]
[[package]]
name = "want"
version = "0.3.1"
@@ -2164,6 +2174,15 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-util"
version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
dependencies = [
"windows-sys 0.59.0",
]
[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"
@@ -2346,6 +2365,12 @@ version = "0.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ea2f10b9bb0928dfb1b42b65e1f9e36f7f54dbdf08457afefb38afcdec4fa2bb"
[[package]]
name = "yansi"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cfe53a6657fd280eaa890a3bc59152892ffa3e30101319d168b781ed6529b049"
[[package]]
name = "yoke"
version = "0.8.0"

View File

@@ -30,17 +30,28 @@ repository.workspace = true
dev.panic = "abort"
release.panic = "abort"
[[test]]
name = "main"
harness = false
[features]
default = ["task", "fs", "net"]
task = ["lb/task"]
fs = ["lb/fs"]
net = ["lb/net"]
tokio-console = ["dep:console-subscriber"]
[dependencies]
clap = { version = "4.5.40", features = ["derive", "env"] }
console-subscriber = "0.4.1"
console-subscriber = { version = "0.4.1", optional = true }
lb = { path = "crates/lb" }
luajit = { path = "crates/luajit", features = ["runtime"] }
mimalloc = "0.1.47"
owo-colors = "4.2.1"
sysexits = "0.9.0"
tokio = { version = "1.45.1", features = ["full", "tracing"] }
tokio = { version = "1.45.1", features = ["rt", "rt-multi-thread"] }
tracing = "0.1.41"
tracing-subscriber = "0.3.19"
tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }
[build-dependencies]
vergen-git2 = { version = "1.0.7", features = ["cargo", "rustc"] }

View File

@@ -1,7 +1,3 @@
[jobs.test]
command = ["cargo", "test", "--workspace"]
need_stdout = true
[jobs.doc]
command = ["cargo", "doc", "--workspace"]

View File

@@ -7,15 +7,18 @@ authors.workspace = true
homepage.workspace = true
repository.workspace = true
[features]
task = ["tokio/rt", "tokio/time"]
fs = ["tokio/fs", "dep:walkdir", "dep:globset", "dep:tempfile"]
net = ["tokio/net"]
[dependencies]
camino = "1.1.10"
derive_more = { version = "2.0.1", features = ["full"] }
globset = { version = "0.4.16", optional = true }
luaffi = { path = "../luaffi" }
luajit = { path = "../luajit" }
sysexits = "0.9.0"
tokio = { version = "1.45.1", features = ["rt", "time", "fs", "net", "process", "signal", "tracing"] }
tracing = "0.1.41"
[dev-dependencies]
luaify = { path = "../luaify" }
tokio = { version = "1.45.1", features = ["full"] }
tempfile = { version = "3.20.0", optional = true }
thiserror = "2.0.12"
tokio = { version = "1.45.1" }
walkdir = { version = "2.5.0", optional = true }

View File

@@ -1,11 +1,26 @@
// use flume::{Receiver, Sender};
//! Channel library
//!
//! The `lb:chan` library provides primitives for asynchronous communication between tasks via
//! message passing channels.
//!
//! ## Exports
//!
//! See [`lb_chanlib`] for items exported by this library.
use luaffi::{cdef, metatype};
#[cdef]
pub struct lb_libchannel;
/// Items exported by the `lb:chan` library.
///
/// This library can be acquired by calling
/// [`require("lb:chan")`](https://www.lua.org/manual/5.1/manual.html#pdf-require) in Lua.
///
/// ```lua
/// local chan = require("lb:chan");
/// ```
#[cdef(module = "lb:chan")]
pub struct lb_chanlib;
#[metatype]
impl lb_libchannel {
impl lb_chanlib {
#[new]
extern "Lua-C" fn new() -> Self {
Self

View File

@@ -1,34 +1,428 @@
//! The `lb:fs` module provides utilities for interacting with the file system asynchronously.
//! # Filesystem library
//!
//! # Exports
//! The `lb:fs` library provides synchronous and asynchronous utilities for interacting with the
//! filesystem.
//!
//! See [`lb_libfs`] for items exported by this module.
//! ## Asynchronous by default
//!
//! Filesystem operations are blocking by nature; to provide asynchronicity, luby performs blocking
//! operations in a background thread pool by default. Synchronous complements to all asynchronous
//! functions are always provided.
//!
//! ## Exports
//!
//! See [`lb_fslib`] for items exported by this library.
use derive_more::From;
use luaffi::{cdef, metatype};
use std::io;
use tokio::fs;
use std::{path::PathBuf, time::SystemTime};
use thiserror::Error;
/// Items exported by the `lb:fs` module.
/// Errors that can be thrown by this library.
///
/// This module can be obtained by calling `require` in Lua.
/// Functions which return this error will **throw** in Lua. The error message can be caught by
/// using [`pcall(f, ...)`](https://www.lua.org/manual/5.1/manual.html#pdf-pcall).
#[derive(Debug, Error)]
pub enum Error {
/// I/O error.
#[error("{0}")]
Io(#[from] std::io::Error),
/// Walk directory error.
#[error("{0}")]
Walk(#[from] walkdir::Error),
/// Glob pattern error.
#[error("{0}")]
Glob(#[from] globset::Error),
}
type Result<T> = std::result::Result<T, Error>;
/// Items exported by the `lb:fs` library.
///
/// This library can be acquired by calling `require` in Lua.
///
/// ```lua
/// local fs = require("lb:fs");
/// ```
#[cdef]
pub struct lb_libfs;
#[cdef(module = "lb:fs")]
pub struct lb_fslib;
#[metatype]
impl lb_libfs {
impl lb_fslib {
#[new]
extern "Lua-C" fn new() -> Self {
Self
}
pub async extern "Lua-C" fn read(&self, path: &str) -> io::Result<Vec<u8>> {
fs::read(path).await
pub async extern "Lua-C" fn read(&self, path: &str) -> Result<Vec<u8>> {
Ok(tokio::fs::read(path).await?)
}
pub extern "Lua-C" fn read_sync(&self, path: &str) -> io::Result<Vec<u8>> {
std::fs::read(path)
pub extern "Lua-C" fn read_sync(&self, path: &str) -> Result<Vec<u8>> {
Ok(std::fs::read(path)?)
}
pub async extern "Lua-C" fn write(&self, path: &str, contents: &[u8]) -> Result<()> {
Ok(tokio::fs::write(path, contents).await?)
}
pub extern "Lua-C" fn write_sync(&self, path: &str, contents: &[u8]) -> Result<()> {
Ok(std::fs::write(path, contents)?)
}
pub async extern "Lua-C" fn read_dir(&self, path: &str) -> Result<lb_read_dir> {
Ok(tokio::fs::read_dir(path).await?.into())
}
pub extern "Lua-C" fn read_dir_sync(&self, path: &str) -> Result<lb_read_dir_sync> {
Ok(std::fs::read_dir(path)?.into())
}
pub extern "Lua-C" fn walk_dir(&self, path: &str) -> lb_walk_dir {
walkdir::WalkDir::new(path).into_iter().into()
}
pub extern "Lua-C" fn glob(&self, pattern: &str) -> Result<lb_glob_dir> {
self.glob_dir(".", pattern)
}
pub extern "Lua-C" fn glob_dir(&self, path: &str, pattern: &str) -> Result<lb_glob_dir> {
let prefix = PathBuf::from(path);
let iter = walkdir::WalkDir::new(path).min_depth(1).into_iter();
let matcher = globset::GlobSet::builder()
.add(globset::Glob::new(pattern)?)
.build()?;
Ok(lb_glob_dir {
iter,
matcher,
prefix,
})
}
pub extern "Lua-C" fn temp_dir(&self) -> Result<lb_temp_dir> {
Ok(tempfile::tempdir()?.into())
}
pub extern "Lua-C" fn temp_dir_in(&self, path: &str) -> Result<lb_temp_dir> {
Ok(tempfile::tempdir_in(path)?.into())
}
}
/// Iterator over the entries in a directory.
#[derive(Debug, From)]
#[cdef]
pub struct lb_read_dir(#[opaque] tokio::fs::ReadDir);
#[metatype]
impl lb_read_dir {
#[call]
pub async extern "Lua-C" fn next(&mut self) -> Result<Option<lb_dir_entry>> {
Ok(self.0.next_entry().await?.map(Into::into))
}
}
/// Synchronous version of [`lb_read_dir`].
#[derive(Debug, From)]
#[cdef]
pub struct lb_read_dir_sync(#[opaque] std::fs::ReadDir);
#[metatype]
impl lb_read_dir_sync {
#[call]
pub extern "Lua-C" fn next(&mut self) -> Result<Option<lb_dir_entry_sync>> {
Ok(self.0.next().transpose()?.map(Into::into))
}
}
/// Entry inside of a directory on the filesystem.
#[derive(Debug, From)]
#[cdef]
pub struct lb_dir_entry(#[opaque] tokio::fs::DirEntry);
#[metatype]
impl lb_dir_entry {
pub extern "Lua-C" fn path(&self) -> String {
self.0.path().to_string_lossy().into()
}
pub extern "Lua-C" fn name(&self) -> String {
self.0.file_name().to_string_lossy().into()
}
pub async extern "Lua-C" fn r#type(&self) -> Result<lb_file_type> {
Ok(self.0.file_type().await?.into())
}
pub async extern "Lua-C" fn metadata(&self) -> Result<lb_file_meta> {
Ok(self.0.metadata().await?.into())
}
#[cfg(unix)]
pub extern "Lua-C" fn ino(&self) -> u64 {
self.0.ino()
}
#[tostring]
pub extern "Lua" fn tostring(&self) -> String {
self.path()
}
}
/// Synchronous version of [`lb_dir_entry`].
#[derive(Debug, From)]
#[cdef]
pub struct lb_dir_entry_sync(#[opaque] std::fs::DirEntry);
#[metatype]
impl lb_dir_entry_sync {
pub extern "Lua-C" fn path(&self) -> String {
self.0.path().to_string_lossy().into()
}
pub extern "Lua-C" fn name(&self) -> String {
self.0.file_name().to_string_lossy().into()
}
pub extern "Lua-C" fn r#type(&self) -> Result<lb_file_type> {
Ok(self.0.file_type()?.into())
}
pub extern "Lua-C" fn metadata(&self) -> Result<lb_file_meta> {
Ok(self.0.metadata()?.into())
}
#[cfg(unix)]
pub extern "Lua-C" fn ino(&self) -> u64 {
use std::os::unix::fs::DirEntryExt;
self.0.ino()
}
#[tostring]
pub extern "Lua" fn tostring(&self) -> String {
self.path()
}
}
/// Structure representing the type of a file with accessors for each file type.
#[derive(Debug, From)]
#[cdef]
pub struct lb_file_type(#[opaque] std::fs::FileType);
#[metatype]
impl lb_file_type {
pub extern "Lua-C" fn is_dir(&self) -> bool {
self.0.is_dir()
}
pub extern "Lua-C" fn is_file(&self) -> bool {
self.0.is_file()
}
pub extern "Lua-C" fn is_symlink(&self) -> bool {
self.0.is_file()
}
#[tostring]
pub extern "Lua-C" fn tostring(&self) -> String {
if self.0.is_file() {
"file"
} else if self.0.is_dir() {
"dir"
} else if self.0.is_symlink() {
"symlink"
} else {
"other"
}
.into()
}
}
/// Metadata information about a file.
#[derive(Debug, From)]
#[cdef]
pub struct lb_file_meta(#[opaque] std::fs::Metadata);
#[metatype]
impl lb_file_meta {
pub extern "Lua-C" fn is_dir(&self) -> bool {
self.0.is_dir()
}
pub extern "Lua-C" fn is_file(&self) -> bool {
self.0.is_file()
}
pub extern "Lua-C" fn is_symlink(&self) -> bool {
self.0.is_file()
}
pub extern "Lua-C" fn r#type(&self) -> lb_file_type {
self.0.file_type().into()
}
pub extern "Lua-C" fn size(&self) -> u64 {
self.0.len()
}
pub extern "Lua-C" fn perms(&self) -> lb_file_perms {
self.0.permissions().into()
}
pub extern "Lua-C" fn created(&self) -> Result<f64> {
Ok(self
.0
.created()?
.duration_since(SystemTime::UNIX_EPOCH)
.map(|dur| dur.as_secs_f64())
.unwrap_or(0.))
}
pub extern "Lua-C" fn modified(&self) -> Result<f64> {
Ok(self
.0
.modified()?
.duration_since(SystemTime::UNIX_EPOCH)
.map(|dur| dur.as_secs_f64())
.unwrap_or(0.))
}
pub extern "Lua-C" fn accessed(&self) -> Result<f64> {
Ok(self
.0
.accessed()?
.duration_since(SystemTime::UNIX_EPOCH)
.map(|dur| dur.as_secs_f64())
.unwrap_or(0.))
}
#[tostring]
pub extern "Lua-C" fn tostring(&self) -> String {
let ty = self.0.file_type();
if ty.is_file() {
format!("file {}", self.0.len())
} else if ty.is_dir() {
"dir".into()
} else if ty.is_symlink() {
"symlink".into()
} else {
"other".into()
}
}
}
/// Representation of the various permissions on a file.
#[derive(Debug, From)]
#[cdef]
pub struct lb_file_perms(#[opaque] std::fs::Permissions);
#[metatype]
impl lb_file_perms {
pub extern "Lua-C" fn readonly(&self) -> bool {
self.0.readonly()
}
pub extern "Lua-C" fn set_readonly(&mut self, readonly: bool) {
self.0.set_readonly(readonly);
}
}
/// Iterator for recursively descending into a directory.
#[derive(Debug, From)]
#[cdef]
pub struct lb_walk_dir(#[opaque] walkdir::IntoIter);
#[metatype]
impl lb_walk_dir {
#[call]
pub extern "Lua-C" fn next(&mut self) -> Result<Option<lb_walk_dir_entry>> {
Ok(self.0.next().transpose()?.map(Into::into))
}
}
/// Entry inside of a directory on the filesystem obtained from [`lb_walk_dir`].
#[derive(Debug, From)]
#[cdef]
pub struct lb_walk_dir_entry(#[opaque] walkdir::DirEntry);
#[metatype]
impl lb_walk_dir_entry {
pub extern "Lua-C" fn path(&self) -> String {
self.0.path().to_string_lossy().into()
}
pub extern "Lua-C" fn name(&self) -> String {
self.0.file_name().to_string_lossy().into()
}
pub extern "Lua-C" fn r#type(&self) -> lb_file_type {
self.0.file_type().into()
}
pub extern "Lua-C" fn metadata(&self) -> Result<lb_file_meta> {
Ok(self.0.metadata()?.into())
}
pub extern "Lua-C" fn is_symlink(&self) -> bool {
self.0.path_is_symlink()
}
pub extern "Lua-C" fn depth(&self) -> u32 {
self.0.depth() as u32
}
#[cfg(unix)]
pub extern "Lua-C" fn ino(&self) -> u64 {
use walkdir::DirEntryExt;
self.0.ino()
}
#[tostring]
pub extern "Lua" fn tostring(&self) -> String {
self.path()
}
}
/// Iterator that yields paths from the filesystem that match a particular pattern.
#[derive(Debug)]
#[cdef]
pub struct lb_glob_dir {
#[opaque]
iter: walkdir::IntoIter,
#[opaque]
matcher: globset::GlobSet,
#[opaque]
prefix: PathBuf,
}
#[metatype]
impl lb_glob_dir {
#[call]
pub extern "Lua-C" fn next(&mut self) -> Result<Option<lb_walk_dir_entry>> {
while let Some(res) = self.iter.next() {
let entry = res?;
let path = entry.path().strip_prefix(&self.prefix).unwrap();
if self.matcher.is_match(path) {
return Ok(Some(entry.into()));
}
}
Ok(None)
}
}
/// Directory in the filesystem that is automatically deleted when it is garbage-collected.
#[derive(Debug, From)]
#[cdef]
pub struct lb_temp_dir(#[opaque] tempfile::TempDir);
#[metatype]
impl lb_temp_dir {
pub extern "Lua-C" fn path(&self) -> String {
self.0.path().to_string_lossy().into()
}
#[tostring]
pub extern "Lua" fn tostring(&self) -> String {
self.path()
}
}

View File

@@ -1,5 +1,12 @@
pub mod channel;
pub mod fs;
pub mod net;
//! luby standard library
#![warn(missing_docs)]
pub mod runtime;
#[cfg(feature = "task")]
pub mod chan;
#[cfg(feature = "fs")]
pub mod fs;
#[cfg(feature = "net")]
pub mod net;
#[cfg(feature = "task")]
pub mod task;

View File

@@ -1,29 +1,52 @@
//! The `lb:net` module provides an asynchronous network API for creating TCP or UDP servers and
//! Networking library
//!
//! The `lb:net` library provides an asynchronous network API for creating TCP or UDP servers and
//! clients.
//!
//! # Exports
//! ## Exports
//!
//! See [`lb_libnet`] for items exported by this module.
//! See [`lb_netlib`] for items exported by this library.
use derive_more::{From, FromStr};
use luaffi::{cdef, metatype};
use std::{
io,
net::{AddrParseError, IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr},
time::Duration,
};
use thiserror::Error;
use tokio::net::{TcpListener, TcpSocket, TcpStream};
/// Items exported by the `lb:net` module.
/// Errors that can be thrown by this library.
///
/// This module can be obtained by calling `require` in Lua.
/// Functions which return this error will **throw** in Lua. The error message can be caught by
/// using [`pcall(f, ...)`](https://www.lua.org/manual/5.1/manual.html#pdf-pcall).
#[derive(Debug, Error)]
pub enum Error {
/// I/O error.
#[error("{0}")]
Io(#[from] std::io::Error),
/// IP or socket address syntax error.
#[error("{0}")]
InvalidAddr(#[from] AddrParseError),
/// Socket was already converted and cannot be used anymore.
#[error("socket was already converted")]
SocketConsumed,
}
type Result<T> = std::result::Result<T, Error>;
/// Items exported by the `lb:net` library.
///
/// This library can be acquired by calling
/// [`require("lb:net")`](https://www.lua.org/manual/5.1/manual.html#pdf-require) in Lua.
///
/// ```lua
/// local net = require("lb:net");
/// ```
#[cdef]
pub struct lb_libnet;
#[cdef(module = "lb:net")]
pub struct lb_netlib;
#[metatype]
impl lb_libnet {
impl lb_netlib {
#[new]
extern "Lua-C" fn new() -> Self {
Self
@@ -59,22 +82,18 @@ impl lb_libnet {
/// If `s` is an [`lb_ipaddr`], a copy of that value is returned. If `s` is an
/// [`lb_socketaddr`], the IP address part of the socket address is returned. Otherwise, parses
/// `s` as an IP address string. Both IPv4 or IPv6 addresses are supported.
///
/// # Errors
///
/// Throws if `s` cannot be parsed as an IP address.
pub extern "Lua" fn ipaddr(&self, s: any) -> lb_ipaddr {
if __istype(__ct.lb_ipaddr, s) {
__new(__ct.lb_ipaddr, s) // copy constructor
} else if __istype(__ct.lb_socketaddr, s) {
pub extern "Lua" fn ipaddr(&self, addr: any) -> Result<lb_ipaddr> {
if __istype(__ct.lb_ipaddr, addr) {
__new(__ct.lb_ipaddr, addr) // copy constructor
} else if __istype(__ct.lb_socketaddr, addr) {
s.ip()
} else {
self.__parse_ipaddr(s)
self.__parse_ipaddr(addr)
}
}
extern "Lua-C" fn __parse_ipaddr(&self, s: &str) -> Result<lb_ipaddr, AddrParseError> {
s.parse()
extern "Lua-C" fn __parse_ipaddr(&self, addr: &str) -> Result<lb_ipaddr> {
Ok(addr.parse()?)
}
/// Creates an [`lb_socketaddr`] from the given input.
@@ -86,56 +105,75 @@ impl lb_libnet {
/// socket address string. Both IPv4 and IPv6 addresses are supported.
///
/// If `port` is not specified, `0` is used as the default.
///
/// # Errors
///
/// Throws if `s` cannot be parsed as an IP or socket address.
pub extern "Lua" fn socketaddr(&self, s: any, port: any) -> lb_socketaddr {
pub extern "Lua" fn socketaddr(&self, addr: any, port: any) -> Result<lb_socketaddr> {
if port != () {
self.__new_socketaddr(self.ipaddr(s), port)
self.__new_skaddr(self.ipaddr(addr), port)
} else {
if __istype(__ct.lb_socketaddr, s) {
__new(__ct.lb_socketaddr, s) // copy constructor
} else if __istype(__ct.lb_ipaddr, s) {
self.__new_socketaddr(s, 0) // default port 0
if __istype(__ct.lb_socketaddr, addr) {
__new(__ct.lb_socketaddr, addr) // copy constructor
} else if __istype(__ct.lb_ipaddr, addr) {
self.__new_skaddr(addr, 0) // default port 0
} else {
self.__parse_socketaddr(s)
self.__parse_skaddr(addr)
}
}
}
extern "Lua-C" fn __new_socketaddr(&self, ip: &lb_ipaddr, port: u16) -> lb_socketaddr {
extern "Lua-C" fn __new_skaddr(&self, ip: &lb_ipaddr, port: u16) -> lb_socketaddr {
SocketAddr::new(ip.0, port).into()
}
extern "Lua-C" fn __parse_socketaddr(&self, s: &str) -> Result<lb_socketaddr, AddrParseError> {
s.parse()
extern "Lua-C" fn __parse_skaddr(&self, addr: &str) -> Result<lb_socketaddr> {
Ok(if let Ok(addr) = addr.parse() {
SocketAddr::new(addr, 0).into() // default port 0
} else {
addr.parse::<SocketAddr>()?.into()
})
}
/// Creates a new TCP socket configured for IPv4.
///
/// See [`TcpSocket::new_v4`].
///
/// # Errors
///
/// Throws if an error was encountered during the socket creation.
pub extern "Lua-C" fn tcp_v4(&self) -> io::Result<lb_tcpsocket> {
TcpSocket::new_v4().map(lb_tcpsocket)
pub extern "Lua-C" fn tcp(&self) -> Result<lb_tcpsocket> {
Ok(Some(TcpSocket::new_v4()?).into())
}
/// Creates a new TCP socket configured for IPv6.
///
/// See [`TcpSocket::new_v6`].
///
/// # Errors
///
/// Throws if an error was encountered during the socket creation.
pub extern "Lua-C" fn tcp_v6(&self) -> io::Result<lb_tcpsocket> {
TcpSocket::new_v6().map(lb_tcpsocket)
pub extern "Lua-C" fn tcp6(&self) -> Result<lb_tcpsocket> {
Ok(Some(TcpSocket::new_v6()?).into())
}
pub async extern "Lua" fn bind_tcp(&self, addr: any, port: any) -> Result<lb_tcpsocket> {
let addr = self.socketaddr(addr, port);
let socket;
if addr.ip().is_v6() {
socket = self.tcp6();
} else {
socket = self.tcp();
}
socket.bind(addr);
socket
}
pub async extern "Lua" fn connect_tcp(&self, addr: any, port: any) -> Result<lb_tcpstream> {
let addr = self.socketaddr(addr, port);
let socket;
if addr.ip().is_v6() {
socket = self.tcp6();
} else {
socket = self.tcp();
}
socket.connect(addr)
}
pub async extern "Lua" fn listen_tcp(&self, addr: any, port: any) -> Result<lb_tcplistener> {
self.bind_tcp(addr, port).listen(1024)
}
}
/// An IP address, either IPv4 or IPv6.
/// IP address, either IPv4 or IPv6.
///
/// # Example
///
@@ -260,7 +298,7 @@ impl lb_ipaddr {
}
}
/// A socket address, which is an IP address with a port number.
/// Socket address, which is an IP address with a port number.
#[derive(Debug, Clone, Copy, PartialEq, Eq, From, FromStr)]
#[cdef]
pub struct lb_socketaddr(#[opaque] SocketAddr);
@@ -274,14 +312,14 @@ impl lb_socketaddr {
/// Sets the IP part of this address.
///
/// This function accepts the same arguments as [`ipaddr`](lb_libnet::ipaddr).
pub extern "Lua" fn set_ip(&mut self, s: any) -> &mut Self {
if __istype(__ct.lb_ipaddr, s) {
self.__set_ip(s);
} else if __istype(__ct.lb_socketaddr, s) {
self.__set_ip(s.ip());
/// This function accepts the same arguments as [`ipaddr`](lb_netlib::ipaddr).
pub extern "Lua" fn set_ip(&mut self, addr: any) -> &mut Self {
if __istype(__ct.lb_ipaddr, addr) {
self.__set_ip(addr);
} else if __istype(__ct.lb_socketaddr, addr) {
self.__set_ip(addr.ip());
} else {
self.__set_ip_parse(s);
self.__set_ip_parse(addr);
}
self
}
@@ -290,8 +328,8 @@ impl lb_socketaddr {
self.0.set_ip(ip.0);
}
extern "Lua-C" fn __set_ip_parse(&mut self, s: &str) -> Result<(), AddrParseError> {
s.parse().map(|ip| self.0.set_ip(ip))
extern "Lua-C" fn __set_ip_parse(&mut self, addr: &str) -> Result<()> {
Ok(self.0.set_ip(addr.parse()?))
}
/// Returns the port part of this address.
@@ -300,7 +338,7 @@ impl lb_socketaddr {
}
/// Sets the port part of this address.
pub extern "Lua" fn set_port(&mut self, port: number) -> &mut Self {
pub extern "Lua" fn set_port(&mut self, port: integer) -> &mut Self {
self.__set_port(port);
self
}
@@ -316,14 +354,127 @@ impl lb_socketaddr {
}
}
/// A TCP socket which has not yet been converted to a [`lb_tcpstream`] or [`lb_tcplistener`].
/// TCP socket which has not yet been converted to an [`lb_tcpstream`] or [`lb_tcplistener`].
#[derive(Debug, From)]
#[cdef]
pub struct lb_tcpsocket(#[opaque] TcpSocket);
pub struct lb_tcpsocket(#[opaque] Option<TcpSocket>);
#[metatype]
impl lb_tcpsocket {}
impl lb_tcpsocket {
fn socket(&self) -> Result<&TcpSocket> {
self.0.as_ref().ok_or(Error::SocketConsumed)
}
/// See [`TcpSocket::keepalive`].
pub extern "Lua-C" fn keepalive(&self) -> Result<bool> {
Ok(self.socket()?.keepalive()?)
}
/// See [`TcpSocket::set_keepalive`].
pub extern "Lua-C" fn set_keepalive(&self, enabled: bool) -> Result<()> {
Ok(self.socket()?.set_keepalive(enabled)?)
}
/// See [`TcpSocket::reuseaddr`].
pub extern "Lua-C" fn reuseaddr(&self) -> Result<bool> {
Ok(self.socket()?.reuseaddr()?)
}
/// See [`TcpSocket::set_reuseaddr`].
pub extern "Lua-C" fn set_reuseaddr(&self, enabled: bool) -> Result<()> {
Ok(self.socket()?.set_reuseaddr(enabled)?)
}
/// See [`TcpSocket::reuseport`].
pub extern "Lua-C" fn reuseport(&self) -> Result<bool> {
Ok(self.socket()?.reuseport()?)
}
/// See [`TcpSocket::set_reuseport`].
pub extern "Lua-C" fn set_reuseport(&self, enabled: bool) -> Result<()> {
Ok(self.socket()?.set_reuseport(enabled)?)
}
/// See [`TcpSocket::send_buffer_size`].
pub extern "Lua-C" fn sendbuf(&self) -> Result<u32> {
Ok(self.socket()?.send_buffer_size()?)
}
/// See [`TcpSocket::set_send_buffer_size`].
pub extern "Lua-C" fn set_sendbuf(&self, size: u32) -> Result<()> {
Ok(self.socket()?.set_send_buffer_size(size)?)
}
/// See [`TcpSocket::recv_buffer_size`].
pub extern "Lua-C" fn recvbuf(&self) -> Result<u32> {
Ok(self.socket()?.recv_buffer_size()?)
}
/// See [`TcpSocket::set_recv_buffer_size`].
pub extern "Lua-C" fn set_recvbuf(&self, size: u32) -> Result<()> {
Ok(self.socket()?.set_recv_buffer_size(size)?)
}
/// See [`TcpSocket::linger`].
pub extern "Lua-C" fn linger(&self) -> Result<f64> {
Ok(self
.socket()?
.linger()?
.map(|n| n.as_secs_f64())
.unwrap_or(0.))
}
/// See [`TcpSocket::set_linger`].
pub extern "Lua-C" fn set_linger(&self, secs: f64) -> Result<()> {
Ok(self
.socket()?
.set_linger((secs != 0.).then_some(Duration::from_secs_f64(secs)))?)
}
/// See [`TcpSocket::nodelay`].
pub extern "Lua-C" fn nodelay(&self) -> Result<bool> {
Ok(self.socket()?.nodelay()?)
}
/// See [`TcpSocket::set_nodelay`].
pub extern "Lua-C" fn set_nodelay(&self, enabled: bool) -> Result<()> {
Ok(self.socket()?.set_nodelay(enabled)?)
}
/// See [`TcpSocket::tos`].
pub extern "Lua-C" fn tos(&self) -> Result<u32> {
Ok(self.socket()?.tos()?)
}
/// See [`TcpSocket::set_tos`].
pub extern "Lua-C" fn set_tos(&self, tos: u32) -> Result<()> {
Ok(self.socket()?.set_tos(tos)?)
}
/// See [`TcpSocket::local_addr`].
pub extern "Lua-C" fn local_addr(&self) -> Result<lb_socketaddr> {
Ok(self.socket()?.local_addr()?.into())
}
/// See [`TcpSocket::bind`].
pub extern "Lua-C" fn bind(&self, addr: &lb_socketaddr) -> Result<()> {
Ok(self.socket()?.bind(addr.0)?)
}
/// See [`TcpSocket::connect`].
pub async extern "Lua-C" fn connect(&mut self, addr: &lb_socketaddr) -> Result<lb_tcpstream> {
let socket = self.0.take().ok_or(Error::SocketConsumed)?;
Ok(socket.connect(addr.0).await?.into())
}
/// See [`TcpSocket::listen`].
pub extern "Lua-C" fn listen(&mut self, backlog: u32) -> Result<lb_tcplistener> {
let socket = self.0.take().ok_or(Error::SocketConsumed)?;
Ok(socket.listen(backlog)?.into())
}
}
/// TCP connection between a local and a remote socket.
#[derive(Debug, From)]
#[cdef]
pub struct lb_tcpstream(#[opaque] TcpStream);
@@ -331,6 +482,7 @@ pub struct lb_tcpstream(#[opaque] TcpStream);
#[metatype]
impl lb_tcpstream {}
/// TCP socket server, listening for connections.
#[derive(Debug, From)]
#[cdef]
pub struct lb_tcplistener(#[opaque] TcpListener);

View File

@@ -1,5 +0,0 @@
local task = require("lb:task")
function spawn(f, ...)
return task:spawn(f, ...)
end

View File

@@ -1,85 +1,115 @@
use crate::{channel::lb_libchannel, fs::lb_libfs, net::lb_libnet, task::lb_libtask};
#![doc(hidden)]
use derive_more::{Deref, DerefMut};
use luaffi::{Registry, Type};
use luaffi::{Module, Registry};
use luajit::{Chunk, State};
use std::fmt::Display;
use std::rc::Rc;
use tokio::{
task::{JoinHandle, LocalSet, futures::TaskLocalFuture, spawn_local},
task_local,
};
#[derive(Debug, Default)]
pub type ErrorFn = dyn Fn(&luajit::Error);
pub struct Builder {
registry: Registry,
report_err: Rc<ErrorFn>,
}
impl Builder {
pub fn new() -> Self {
let mut registry = Registry::new();
registry
.preload::<lb_libtask>("lb:task")
.preload::<lb_libchannel>("lb:channel")
.preload::<lb_libfs>("lb:fs")
.preload::<lb_libnet>("lb:net");
Self { registry }
Self {
registry: Registry::new(),
report_err: Rc::new(|err| match err.trace() {
Some(trace) => eprintln!("unhandled lua error: {err}\n{trace}"),
None => eprintln!("unhandled lua error: {err}"),
}),
}
pub fn module<T: Type>(&mut self, name: impl Display) -> &mut Self {
self.registry.preload::<T>(name);
self
}
pub fn registry(&self) -> &Registry {
&self.registry
}
pub fn unhandled_error(&mut self, handler: impl Fn(&luajit::Error) + 'static) -> &mut Self {
self.report_err = Rc::new(handler);
self
}
pub fn module<T: Module>(&mut self) -> &mut Self {
self.registry.preload::<T>();
self
}
pub fn build(&self) -> luajit::Result<Runtime> {
Ok(Runtime {
cx: Context {
state: {
let mut s = State::new()?;
let mut chunk = Chunk::new(self.registry.done());
chunk.extend(include_bytes!("./runtime.lua"));
s.eval(chunk.path("[luby]"), 0, 0)?;
s.eval(Chunk::new(self.registry.build()).path("[luby]"), 0, 0)?;
s
},
report_err: self.report_err.clone(),
},
tasks: LocalSet::new(),
})
}
}
#[derive(Debug, Deref, DerefMut)]
#[derive(Deref, DerefMut)]
pub struct Runtime {
#[deref]
#[deref_mut]
state: State,
cx: Context,
tasks: LocalSet,
}
task_local! {
static STATE: State;
}
impl Runtime {
pub fn spawn<T: 'static>(
&self,
f: impl AsyncFnOnce(&mut State) -> T + 'static,
f: impl AsyncFnOnce(&mut Context) -> T + 'static,
) -> JoinHandle<T> {
self.tasks
.spawn_local(async move { f(&mut STATE.with(|s| s.new_thread())).await })
.spawn_local(async move { f(&mut CURRENT.with(|s| s.new_thread())).await })
}
}
pub fn spawn<T: 'static>(f: impl AsyncFnOnce(&mut State) -> T + 'static) -> JoinHandle<T> {
spawn_local(async move { f(&mut STATE.with(|s| s.new_thread())).await })
}
impl IntoFuture for Runtime {
type Output = ();
type IntoFuture = TaskLocalFuture<State, LocalSet>;
type IntoFuture = TaskLocalFuture<Context, LocalSet>;
fn into_future(self) -> Self::IntoFuture {
STATE.scope(self.state, self.tasks)
CURRENT.scope(self.cx, self.tasks)
}
}
task_local! {
static CURRENT: Context;
}
#[derive(Deref, DerefMut)]
pub struct Context {
#[deref]
#[deref_mut]
state: State,
report_err: Rc<ErrorFn>,
}
impl Context {
pub fn new_thread(&self) -> Self {
Self {
state: self.state.new_thread(),
report_err: self.report_err.clone(),
}
}
pub fn report_error(&self, err: &luajit::Error) {
(self.report_err)(&err);
}
}
pub fn spawn<T: 'static>(f: impl AsyncFnOnce(&mut Context) -> T + 'static) -> JoinHandle<T> {
// SAFETY: `new_thread` must be called inside `spawn_local` because this free-standing spawn
// function may be called via ffi from lua, and it is not safe to access the lua state within
// ffi calls.
spawn_local(async move { f(&mut CURRENT.with(|s| s.new_thread())).await })
}

10
crates/lb/src/task.lua Normal file
View File

@@ -0,0 +1,10 @@
-- include task functions in the global scope
local task = require("lb:task")
function sleep(ms)
return task:sleep(ms)
end
function spawn(f, ...)
return task:spawn(f, ...)
end

View File

@@ -1,46 +1,103 @@
//! Task library
//!
//! The `lb:task` library primitives for asynchronous communication between tasks via message
//! passing channels.
//!
//! ## Exports
//!
//! See [`lb_tasklib`] for items exported by this library.
use crate::runtime::spawn;
use luaffi::{cdef, metatype};
use std::{ffi::c_int, process};
use tokio::task::JoinHandle;
use luajit::{LUA_MULTRET, Type};
use std::{ffi::c_int, time::Duration};
use tokio::{task::JoinHandle, time::sleep};
#[cdef]
pub struct lb_libtask;
/// Items exported by the `lb:task` library.
///
/// This library can be acquired by calling
/// [`require("lb:task")`](https://www.lua.org/manual/5.1/manual.html#pdf-require) in Lua.
///
/// ```lua
/// local task = require("lb:task");
/// ```
#[cdef(module = "lb:task")]
pub struct lb_tasklib;
#[metatype]
impl lb_libtask {
#[include("task.lua")]
impl lb_tasklib {
#[new]
extern "Lua-C" fn new() -> Self {
Self
}
pub extern "Lua" fn spawn(self, f: function, ...) {
// pack the function and its arguments into a table and pass its ref to rust
pub async extern "Lua-C" fn sleep(&self, ms: f64) {
sleep(Duration::from_secs_f64(ms / 1000.)).await;
}
pub extern "Lua" fn spawn(&self, f: function, ...) -> lb_task {
// pack the function and its arguments into a table and pass its ref to rust.
//
// this table is used from rust-side to call the function with its args, and it's also
// reused to store its return values that the task handle can return when awaited. the ref
// is owned by the task handle and unref'ed when it's gc'ed.
self.__spawn(__ref(__tpack(f, variadic!())))
}
extern "Lua-C" fn __spawn(&self, key: c_int) -> lb_task {
let handle = spawn(async move |s| {
// SAFETY: key is always unique, created by __ref above
let arg = unsafe { s.new_ref_unchecked(key) };
let handle = spawn(async move |cx| {
// SAFETY: key is always unique, created by __ref above.
let arg = unsafe { cx.new_ref_unchecked(key) };
let mut s = cx.guard();
s.resize(0);
s.push(arg);
let narg = s.unpack(1, 1, None) - 1;
println!("{s:?}");
if let Err(_err) = s.call_async(narg, 0).await {
process::exit(1)
s.push(&arg);
let narg = s.unpack(1, 1, None) - 1; // unpack the function and its args from the table
debug_assert!(s.slot(2).type_of() == Type::Function);
match s.call_async(narg, LUA_MULTRET).await {
Ok(nret) => {
s.pack(1, nret); // pack the return values back into the table
}
println!("{s:?}");
Err(err) => {
drop(s);
cx.report_error(&err);
}
}
let _ = arg.into_raw(); // the original ref is owned by the task handle and unref'ed there
});
lb_task { handle }
lb_task {
handle: Some(handle),
__ref: key,
}
}
}
/// Handle for an asynchronous task created by [`spawn`](lb_tasklib::spawn).
#[cdef]
pub struct lb_task {
#[opaque]
handle: JoinHandle<()>,
handle: Option<JoinHandle<()>>,
__ref: c_int,
}
#[metatype]
impl lb_task {}
impl lb_task {
pub async extern "Lua" fn r#await(&self) -> many {
self.__await();
let ret = __registry[self.__ref];
__tunpack(ret, 1, ret.n)
}
async extern "Lua-C" fn __await(&mut self) {
if let Some(handle) = self.handle.take() {
handle
.await
.unwrap_or_else(|err| panic!("task handler panicked: {err}"));
}
}
#[gc]
extern "Lua" fn gc(&self) {
__unref(self.__ref);
}
}

17
crates/lb/tests/fs.lua Normal file
View File

@@ -0,0 +1,17 @@
local ok, fs = pcall(require, "lb:fs")
if not ok then return end
describe("temp files", function()
test("temp_dir cleans itself", function()
local path
do
local dir = fs:temp_dir()
path = dir:path()
assert(path and path ~= "")
fs:write(path .. "/test.txt", "test file")
assert(fs:read(path .. "/test.txt") == "test file")
end
collectgarbage()
assert(not pcall(fs.read, fs, path .. "/test.txt"))
end)
end)

17
crates/lb/tests/net.lua Normal file
View File

@@ -0,0 +1,17 @@
local ok, net = pcall(require, "lb:net")
if not ok then return end
describe("tcp", function()
describe("socket", function()
test("bind", function()
local socket = net:bind_tcp("127.0.0.1")
-- binds to the correct port
assert(tostring(socket:local_addr():ip()) == "127.0.0.1")
assert(socket:local_addr():port() ~= 0)
-- should not be able to rebind socket
assert(not pcall(socket.bind, socket, net:socketaddr("127.0.0.1")))
end)
end)
end)

View File

@@ -1,32 +0,0 @@
use lb::runtime;
use luaify::luaify;
use luajit::{Chunk, LoadMode};
use tokio::test;
async fn run_lua(s: &'static str) {
let rt = runtime::Builder::new().build().unwrap();
let task = rt.spawn(async move |state| {
println!("executing test chunk: {s}");
state
.load(Chunk::new(s).mode(LoadMode::TEXT))
.unwrap_or_else(|err| panic!("{err}"));
state
.call_async(0, 0)
.await
.unwrap_or_else(|err| panic!("{err}"));
});
rt.await;
task.await.unwrap_or_else(|err| panic!("{err}"));
}
#[test]
async fn ipaddr() {
run_lua(luaify!({
let net = require("lb:net");
print(net.ipaddr("127.0.0.1"));
}))
.await
}

103
crates/lb/tests/task.lua Normal file
View File

@@ -0,0 +1,103 @@
local ok, task = pcall(require, "lb:task")
if not ok then return end
describe("spawn", function()
test("callback receives args", function()
spawn(function(...)
assert(select("#", ...) == 0)
end):await()
spawn(function(...)
assert(select("#", ...) == 1)
assert((...) == nil)
end, nil):await()
spawn(function(...)
assert(select("#", ...) == 4)
local args = table.pack(...)
assert(args[1] == 1 and args[2] == 2 and args[3] == nil and args[4] == 3)
end, 1, 2, nil, 3):await()
end)
test("await returns callback results", function()
local res = table.pack(spawn(function()
-- no returns
end):await())
assert(res.n == 0)
local res = table.pack(spawn(function()
return nil
end):await())
assert(res.n == 1 and res[1] == nil)
local res = table.pack(spawn(function()
return 1, 2, nil, 3
end):await())
assert(res.n == 4 and res[1] == 1 and res[2] == 2 and res[3] == nil and res[4] == 3)
end)
test("callback args and results", function()
local res = table.pack(spawn(function(...)
assert(select("#", ...) == 5)
local args = table.pack(...)
assert(args[1] == 5 and args[2] == 4 and args[3] == nil and args[4] == 3, args[5] == nil)
return 1, 3, nil
end, 5, 4, nil, 3, nil):await())
assert(res.n == 3 and res[1] == 1 and res[2] == 3 and res[3] == nil)
end)
test("order is consistent", function()
-- all tasks spawned in one batch should be resumed in the spawn order
local tasks, nums = {}, {}
for i = 1, 10 do
table.insert(
tasks,
spawn(function()
table.insert(nums, i)
end)
)
end
for i = 10, 1, -1 do
tasks[i]:await()
end
assert(#nums == 10)
for i = 1, 10 do
assert(nums[i] == i)
end
end)
end)
describe("sleep", function()
test("sleep is asynchronous", function()
local value
spawn(function()
value = "value"
end)
assert(value == nil)
task:sleep(100) -- implicit await: if it's synchronous, value wouldn't change
assert(value == "value")
end)
end)
describe("task", function()
test("properly unrefs arg and ret table", function()
local registry = debug.getregistry()
local ref, t
local cb = function()
return "my ret"
end
do
local task = spawn(cb, "my arg")
ref = task.__ref
t = registry[ref]
assert(type(t) == "table")
assert(t[1] == cb)
assert(t[2] == "my arg")
task:await()
assert(registry[task.__ref] == t)
assert(t[1] == "my ret")
end
collectgarbage()
assert(registry[ref] ~= t) -- if task unref'ed it, it should be either nil or the next freelist number
end)
end)

View File

@@ -1,35 +0,0 @@
use lb::runtime;
use luaify::luaify;
use luajit::{Chunk, LoadMode};
use tokio::test;
async fn run_lua(s: &'static str) {
let rt = runtime::Builder::new().build().unwrap();
let task = rt.spawn(async move |state| {
println!("executing test chunk: {s}");
state
.load(Chunk::new(s).mode(LoadMode::TEXT))
.unwrap_or_else(|err| panic!("{err}"));
state
.call_async(0, 0)
.await
.unwrap_or_else(|err| panic!("{err}"));
});
rt.await;
task.await.unwrap_or_else(|err| panic!("{err}"));
}
#[test]
async fn task_test() {
run_lua(luaify!({
let thing = spawn(|| {
print("spawn callback!!!!!!!!!!!!!");
});
print("thing is", thing);
//
}))
.await
}

View File

@@ -7,6 +7,10 @@ authors.workspace = true
homepage.workspace = true
repository.workspace = true
[features]
option_ref_abi = []
option_string_abi = []
[dependencies]
bstr = "1.12.0"
luaffi_impl = { path = "../luaffi_impl" }

View File

@@ -9,12 +9,13 @@ use std::{
#[allow(non_camel_case_types)]
pub mod stub_types {
pub struct any;
pub struct many;
pub struct nil;
pub struct boolean;
pub type boolean = bool;
pub struct lightuserdata;
pub struct number;
pub struct integer;
pub struct string;
pub type string = String;
pub struct table;
pub struct function;
pub struct userdata;

View File

@@ -1,3 +1,4 @@
---@diagnostic disable
local LUA_REFNIL = -1 -- lib_aux.c
local FREELIST_REF = 0

View File

@@ -11,13 +11,13 @@ use std::{
mem,
};
pub mod future;
pub mod string;
#[doc(hidden)]
#[path = "./internal.rs"]
pub mod __internal;
pub mod future;
pub mod option;
pub mod result;
pub mod string;
// Dummy function to ensure that strings passed to Rust via wrapper objects will not be
// garbage-collected until the end of the function (used in string.rs when string marshalling is
@@ -38,7 +38,7 @@ const CACHE_LIBS: &[(&str, &str)] = &[
("package", "package"),
("debug", "debug"),
("jit", "jit"),
// require
// requires
("bit", r#"require("bit")"#),
("ffi", r#"require("ffi")"#),
("__tnew", r#"require("table.new")"#),
@@ -47,7 +47,7 @@ const CACHE_LIBS: &[(&str, &str)] = &[
// https://www.lua.org/manual/5.1/manual.html#5.1
const CACHE_LOCALS: &[(&str, &str)] = &[
// base
// baselib
("assert", "assert"),
("error", "error"),
("type", "type"),
@@ -68,7 +68,8 @@ const CACHE_LOCALS: &[(&str, &str)] = &[
("tonumber", "tonumber"),
("tostring", "tostring"),
("require", "require"),
// table
("__yield", "coroutine.yield"), // (used in future.rs)
// tablib
("__tconcat", "table.concat"),
("__tinsert", "table.insert"),
("__tmaxn", "table.maxn"),
@@ -76,23 +77,21 @@ const CACHE_LOCALS: &[(&str, &str)] = &[
("__tsort", "table.sort"),
("__tpack", "table.pack"),
("__tunpack", "table.unpack"),
// string
// strlib
("__slen", "string.len"),
("__sprintf", "string.format"),
("__ssub", "string.sub"),
("__sgsub", "string.gsub"),
("__sgmatch", "string.gmatch"),
("__sdump", "string.dump"),
// math (used in luaify! macro)
// mathlib (used in luaify! macro)
("__fmod", "math.fmod"),
// coroutine (used in future.rs)
("__yield", "coroutine.yield"),
// package
// loadlib
("__preload", "package.preload"),
// debug
// dblib
("__traceback", "debug.traceback"),
("__registry", "debug.getregistry()"), // (used in lib.lua)
// ffi
// ffilib
("__C", "ffi.C"),
("__ct", "{}"),
("__cdef", "ffi.cdef"),
@@ -105,7 +104,7 @@ const CACHE_LOCALS: &[(&str, &str)] = &[
("__sizeof", "ffi.sizeof"),
("__alignof", "ffi.alignof"),
("__intern", "ffi.string"), // (used in string.rs)
// bit (used in luaify! macro)
// bitlib (used in luaify! macro)
("__bnot", "bit.bnot"),
("__band", "bit.band"),
("__bor", "bit.bor"),
@@ -159,19 +158,19 @@ impl Registry {
self
}
pub fn preload<T: Type>(&mut self, name: impl Display) -> &mut Self {
pub fn preload<T: Module>(&mut self) -> &mut Self {
assert!(T::ty() != TypeType::Void, "cannot declare void type");
self.include::<T>();
let ct = T::name();
let name = <T as Module>::name();
let ct = <T as Type>::name();
writeln!(
self.lua,
r#"__preload["{name}"] = function(...) return __ct.{ct}(...); end;"#,
)
.unwrap();
self
self.include::<T>()
}
pub fn done(&self) -> String {
pub fn build(&self) -> String {
self.to_string()
}
}
@@ -241,6 +240,10 @@ impl<'r> TypeBuilder<'r> {
}
}
pub trait Module: Type {
fn name() -> impl Display;
}
pub unsafe trait Cdef: Type {
fn build(b: &mut CdefBuilder);
}
@@ -321,6 +324,7 @@ pub struct MetatypeBuilder<'r> {
ct: String,
cdef: String,
lua: String,
lua_includes: Vec<&'static str>,
}
impl<'r> MetatypeBuilder<'r> {
@@ -330,6 +334,7 @@ impl<'r> MetatypeBuilder<'r> {
ct: T::Target::name().to_string(),
cdef: String::new(),
lua: r#"do local __mt, __idx = {}, {}; __mt.__index = __idx; "#.into(),
lua_includes: vec![],
}
}
@@ -338,35 +343,40 @@ impl<'r> MetatypeBuilder<'r> {
self
}
pub fn include_lua(&mut self, lua: &'static str) -> &mut Self {
self.lua_includes.push(lua);
self
}
pub fn index(
&mut self,
name: impl Display,
f: impl FnOnce(&mut MetatypeMethodBuilder),
f: impl FnOnce(&mut MetatypeFunctionBuilder),
) -> &mut Self {
write!(self.lua, "__idx.{name} = ").unwrap();
f(&mut MetatypeMethodBuilder::new(self));
write!(self.lua, "; ").unwrap();
f(&mut MetatypeFunctionBuilder::new(self));
writeln!(self.lua, ";").unwrap();
self
}
pub fn index_raw(&mut self, name: impl Display, value: impl Display) -> &mut Self {
write!(self.lua, "__idx.{name} = {value}; ").unwrap();
writeln!(self.lua, "__idx.{name} = {value};").unwrap();
self
}
pub fn metatable(
&mut self,
name: impl Display,
f: impl FnOnce(&mut MetatypeMethodBuilder),
f: impl FnOnce(&mut MetatypeFunctionBuilder),
) -> &mut Self {
write!(self.lua, "__mt.__{name} = ").unwrap();
f(&mut MetatypeMethodBuilder::new(self));
write!(self.lua, "; ").unwrap();
f(&mut MetatypeFunctionBuilder::new(self));
writeln!(self.lua, ";").unwrap();
self
}
pub fn metatable_raw(&mut self, name: impl Display, value: impl Display) -> &mut Self {
write!(self.lua, "__mt.__{name} = {value}; ").unwrap();
writeln!(self.lua, "__mt.__{name} = {value};").unwrap();
self
}
}
@@ -378,12 +388,15 @@ impl<'r> Drop for MetatypeBuilder<'r> {
ct,
cdef,
lua,
..
lua_includes: lua_postlude,
} = self;
registry.cdef.push_str(cdef);
registry.lua.push_str(lua);
writeln!(registry.lua, r#"__metatype(__ct.{ct}, __mt); end;"#).unwrap();
for lua in lua_postlude {
writeln!(registry.lua, r#"do {lua} end;"#).unwrap();
}
}
}
@@ -429,16 +442,16 @@ pub unsafe trait IntoFfi: Sized {
}
#[derive(Debug)]
pub struct MetatypeMethodBuilder<'r, 'm> {
pub struct MetatypeFunctionBuilder<'r, 'm> {
metatype: &'m mut MetatypeBuilder<'r>,
lparams: String, // parameters to the lua function
cparams: String, // parameters to the lua function
cargs: String, // arguments to the C call
prelude: String, // function body prelude
postlude: String, // function body postlude
lparams: String, // lua function parameters
cparams: String, // C function parameters
cargs: String, // C call arguments
prelude: String, // lua function body prelude
postlude: String, // lua function body postlude
}
impl<'r, 'm> MetatypeMethodBuilder<'r, 'm> {
impl<'r, 'm> MetatypeFunctionBuilder<'r, 'm> {
pub fn new(metatype: &'m mut MetatypeBuilder<'r>) -> Self {
Self {
metatype,
@@ -517,12 +530,15 @@ impl<'r, 'm> MetatypeMethodBuilder<'r, 'm> {
write!(prelude, "local __{name}_len = 0; if {name} ~= nil then ").unwrap();
write!(prelude, r#"assert(type({name}) == "string", "string expected in argument '{name}', got " .. type({name})); "#).unwrap();
write!(prelude, r#"__{name}_len = #{name}; "#).unwrap();
if check_utf8 {
write!(prelude, r#"assert(__C.{IS_UTF8_FN}({name}, __{name}_len), "argument '{name}' must be a valid utf-8 string"); "#).unwrap();
}
if !allow_nil {
write!(prelude, r#"else return error("string expected in argument '{name}', got " .. type({name})); "#).unwrap();
}
write!(prelude, r#"end; "#).unwrap();
self
}
@@ -857,7 +873,9 @@ macro_rules! impl_ptr_intoabi {
impl_ptr_intoabi!(*const T);
impl_ptr_intoabi!(*mut T);
#[cfg(feature = "option_ref_abi")] // disabled because it conflicts with the generic Option<T> impl
impl_ptr_intoabi!(Option<&'static T>);
#[cfg(feature = "option_ref_abi")]
impl_ptr_intoabi!(Option<&'static mut T>);
//

View File

@@ -0,0 +1,84 @@
use crate::{
__internal::{disp, display},
Cdef, CdefBuilder, IntoFfi, KEEP_FN, Type, TypeBuilder, TypeType,
};
use std::{ffi::c_int, fmt::Display};
#[repr(C)]
#[allow(non_camel_case_types)]
pub enum lua_option<T> {
None, // __tag = 0
Some(T), // __tag = 1
}
unsafe impl<T: Type> Type for lua_option<T> {
fn name() -> impl Display {
display!("option__{}", T::name())
}
fn ty() -> TypeType {
TypeType::Aggregate
}
fn cdecl(name: impl Display) -> impl Display {
display!("struct {} {name}", Self::name())
}
fn build(b: &mut TypeBuilder) {
b.cdef::<Self>();
}
}
unsafe impl<T: Type> Cdef for lua_option<T> {
fn build(b: &mut CdefBuilder) {
b.field::<c_int>("__tag");
(T::ty() != TypeType::Void).then(|| b.field::<T>("__value"));
}
}
unsafe impl<T: IntoFfi> IntoFfi for Option<T> {
type Into = lua_option<T::Into>;
fn convert(self) -> Self::Into {
match self {
Some(value) => lua_option::Some(T::convert(value)),
None => lua_option::None,
}
}
fn require_owned() -> bool {
// lua_option is only used to transmit information about whether we have a value or not and
// is forgotten immediately after use, so there is no need for an owned option
false
}
fn postlude(ret: &str) -> impl Display {
disp(move |f| {
write!(f, "if {ret}.__tag ~= 0 then ")?;
match T::Into::ty() {
TypeType::Void => write!(f, "{ret} = nil; ")?, // for void options, we don't have a __value
TypeType::Primitive => {
// can always copy primitives to stack
write!(f, "{ret} = {ret}.__value; {}", T::postlude(ret))?;
}
TypeType::Aggregate => {
let ct = T::Into::name();
if T::require_owned() {
// inner value requires ownership; copy it into its own cdata and forget
// option.
write!(f, "{ret} = __new(__ct.{ct}, {ret}.__value); ")?;
write!(f, "{}", T::postlude(ret))?;
} else {
// inner value is a "temporary" like an option itself and doesn't require
// full ownership of itself. we just need to keep the option object alive
// until its postlude completes.
write!(f, "local {ret}_keep = {ret}; {ret} = {ret}.__value; ")?;
write!(f, "do {}end; ", T::postlude(ret))?;
write!(f, "__C.{KEEP_FN}({ret}_keep); ")?; // keep original option alive
}
}
}
write!(f, "else {ret} = nil; end; ")
})
}
}

View File

@@ -72,12 +72,12 @@ unsafe impl<T: IntoFfi, E: Display> IntoFfi for Result<T, E> {
write!(f, "{ret} = __new(__ct.{ct}, {ret}.__value); ")?;
write!(f, "{}", T::postlude(ret))?;
} else {
// inner value is a "temporary" itself and doesn't require full ownership of
// itself. we just need to keep the result object alive until its postlude
// completes.
write!(f, "local __{ret} = {ret}; {ret} = {ret}.__value; ")?;
// inner value is a "temporary" like a result itself and doesn't require
// full ownership of itself. we just need to keep the result object alive
// until its postlude completes.
write!(f, "local {ret}_keep = {ret}; {ret} = {ret}.__value; ")?;
write!(f, "do {}end; ", T::postlude(ret))?;
write!(f, "__C.{KEEP_FN}(__{ret}); ")?; // keep original result alive
write!(f, "__C.{KEEP_FN}({ret}_keep); ")?; // keep original result alive
}
}
}

View File

@@ -4,7 +4,7 @@ use crate::{
};
use bstr::{BStr, BString};
use luaffi_impl::{cdef, metatype};
use std::{fmt::Display, mem::ManuallyDrop, ptr, slice};
use std::{fmt::Display, mem::ManuallyDrop, slice};
pub(crate) const IS_UTF8_FN: &str = "luaffi_is_utf8";
pub(crate) const DROP_BUFFER_FN: &str = "luaffi_drop_buffer";
@@ -42,6 +42,7 @@ impl lua_buf {
}
}
#[cfg(feature = "option_string_abi")]
pub(crate) fn null() -> Self {
Self {
__ptr: ptr::null(),
@@ -71,6 +72,7 @@ impl lua_buffer {
}
}
#[cfg(feature = "option_string_abi")]
pub(crate) fn null() -> Self {
Self {
__ptr: ptr::null_mut(),
@@ -228,7 +230,14 @@ impl_into_via!(&'static str, &'static BStr);
impl_into_via!(BString, Vec<u8>);
impl_into_via!(String, BString);
macro_rules! impl_optional_from {
// `Option<String>: From/IntoFfi` isn't implemented because it conflicts with the generic
// `Option<T>: From/IntoFfi` impl and rust doesn't have specialisation yet (and probably not anytime
// soon). this is fine for now because we have specialisation for string-like parameters implemented
// in the #[metatype] macro already, and string returns wrapped in `Option<T>` isn't much additional
// overhead.
#[cfg(feature = "option_string_abi")]
mod impl_option_string {
macro_rules! impl_optional_from {
($ty:ty) => {
unsafe impl<'s> FromFfi for Option<$ty> {
type From = <$ty as FromFfi>::From;
@@ -250,13 +259,13 @@ macro_rules! impl_optional_from {
}
}
};
}
}
impl_optional_from!(&'s [u8]);
impl_optional_from!(&'s BStr);
impl_optional_from!(&'s str);
impl_optional_from!(&'s [u8]);
impl_optional_from!(&'s BStr);
impl_optional_from!(&'s str);
macro_rules! impl_optional_into {
macro_rules! impl_optional_into {
($ty:ty, $null:expr) => {
unsafe impl IntoFfi for Option<$ty> {
type Into = <$ty as IntoFfi>::Into;
@@ -273,11 +282,12 @@ macro_rules! impl_optional_into {
}
}
};
}
}
impl_optional_into!(&'static [u8], lua_buf::null());
impl_optional_into!(&'static BStr, lua_buf::null());
impl_optional_into!(&'static str, lua_buf::null());
impl_optional_into!(Vec<u8>, lua_buffer::null());
impl_optional_into!(BString, lua_buffer::null());
impl_optional_into!(String, lua_buffer::null());
impl_optional_into!(&'static [u8], lua_buf::null());
impl_optional_into!(&'static BStr, lua_buf::null());
impl_optional_into!(&'static str, lua_buf::null());
impl_optional_into!(Vec<u8>, lua_buffer::null());
impl_optional_into!(BString, lua_buffer::null());
impl_optional_into!(String, lua_buffer::null());
}

View File

@@ -5,18 +5,26 @@ use quote::{format_ident, quote, quote_spanned};
use syn::{ext::IdentExt, spanned::Spanned, *};
#[derive(Debug, FromMeta)]
pub struct Args {}
pub struct Args {
module: Option<String>,
}
pub fn transform(_args: Args, mut item: Item) -> Result<TokenStream> {
let (name, impl_type, impl_cdef) = match item {
pub fn transform(args: Args, mut item: Item) -> Result<TokenStream> {
let (name, impl_type, impl_module, impl_cdef) = match item {
Item::Struct(ref mut str) => (
str.ident.clone(),
generate_type(&str.ident)?,
args.module
.map(|name| generate_module(&name, &str.ident))
.transpose()?,
generate_cdef_structure(str)?,
),
Item::Enum(ref mut enu) => (
enu.ident.clone(),
generate_type(&enu.ident)?,
args.module
.map(|name| generate_module(&name, &enu.ident))
.transpose()?,
generate_cdef_enum(enu)?,
),
_ => syn_error!(item, "expected struct or enum"),
@@ -35,6 +43,7 @@ pub fn transform(_args: Args, mut item: Item) -> Result<TokenStream> {
mod #mod_name {
use super::*;
#impl_type
#impl_module
#impl_cdef
}
))
@@ -47,9 +56,7 @@ fn generate_type(ty: &Ident) -> Result<TokenStream> {
Ok(quote_spanned!(span =>
unsafe impl #ffi::Type for #ty {
fn name() -> impl ::std::fmt::Display {
#name
}
fn name() -> impl ::std::fmt::Display { #name }
fn ty() -> #ffi::TypeType {
#ffi::TypeType::Aggregate
@@ -72,6 +79,16 @@ fn generate_type(ty: &Ident) -> Result<TokenStream> {
))
}
fn generate_module(name: &str, ty: &Ident) -> Result<TokenStream> {
let ffi = ffi_crate();
Ok(quote_spanned!(ty.span() =>
impl #ffi::Module for #ty {
fn name() -> impl ::std::fmt::Display { #name }
}
))
}
fn generate_cdef_structure(str: &mut ItemStruct) -> Result<TokenStream> {
syn_assert!(
str.generics.params.is_empty(),
@@ -155,13 +172,12 @@ fn parse_cfield_attrs(attrs: &mut Vec<Attribute>) -> Result<CFieldAttrs> {
let mut parsed = CFieldAttrs::default();
let mut i = 0;
while let Some(attr) = attrs.get(i) {
if let Some(name) = attr.path().get_ident() {
if name == "opaque" {
let path = attr.path();
if path.is_ident("opaque") {
parsed.opaque = true;
attrs.remove(i);
continue;
}
}
i += 1;
}

View File

@@ -1,7 +1,6 @@
use darling::{FromMeta, ast::NestedMeta};
use proc_macro::TokenStream as TokenStream1;
use quote::ToTokens;
use syn::parse_macro_input;
mod cdef;
mod metatype;
@@ -17,8 +16,10 @@ pub fn cdef(args: TokenStream1, input: TokenStream1) -> TokenStream1 {
}
#[proc_macro_attribute]
pub fn metatype(_args: TokenStream1, input: TokenStream1) -> TokenStream1 {
metatype::transform(parse_macro_input!(input))
pub fn metatype(args: TokenStream1, input: TokenStream1) -> TokenStream1 {
NestedMeta::parse_meta_list(args.into())
.and_then(|meta| metatype::Args::from_list(&meta).map_err(Into::into))
.and_then(|args| metatype::transform(args, syn::parse(input)?))
.unwrap_or_else(|err| err.into_compile_error().into_token_stream())
.into()
}

View File

@@ -2,19 +2,23 @@ use crate::utils::{
StringLike, ffi_crate, is_optionlike, is_primitivelike, is_stringlike, is_unit, pat_ident,
syn_assert, syn_error, ty_name,
};
use darling::FromMeta;
use proc_macro2::TokenStream;
use quote::{ToTokens, format_ident, quote, quote_spanned};
use std::{collections::HashSet, fmt, iter};
use syn::{ext::IdentExt, spanned::Spanned, *};
pub fn transform(mut imp: ItemImpl) -> Result<TokenStream> {
#[derive(Debug, FromMeta)]
pub struct Args {}
pub fn transform(args: Args, mut imp: ItemImpl) -> Result<TokenStream> {
syn_assert!(
imp.generics.params.is_empty(),
imp.generics,
"cannot be generic (not yet implemented)"
);
let impls = generate_impls(&mut imp)?;
let impls = generate_impls(&args, &mut imp)?;
let mod_name = format_ident!("__{}_metatype", ty_name(&imp.self_ty)?);
Ok(quote_spanned!(imp.self_ty.span() =>
@@ -46,7 +50,7 @@ impl Registry {
}
}
fn generate_impls(imp: &mut ItemImpl) -> Result<TokenStream> {
fn generate_impls(_args: &Args, imp: &mut ItemImpl) -> Result<TokenStream> {
let ffi = ffi_crate();
let ty = imp.self_ty.clone();
let ty_name = ty_name(&ty)?;
@@ -54,6 +58,26 @@ fn generate_impls(imp: &mut ItemImpl) -> Result<TokenStream> {
let mut mms = HashSet::new();
let mut lua_drop = None;
// process lua includes
imp.attrs.retain(|attr| {
if attr.path().is_ident("include") {
if let Ok(path) = attr.parse_args::<LitStr>() {
registry.build.push(quote_spanned!(path.span() =>
b.include_lua(::std::include_str!(#path));
));
return false;
} else if let Ok(chunk) = attr.parse_args::<Block>() {
registry.build.push(quote_spanned!(chunk.span() =>
b.include_lua(#ffi::__internal::luaify_chunk!(#chunk));
));
return false;
}
}
true
});
// process extern "Lua-C" ffi functions
for func in get_ffi_functions(imp)? {
if let Some(mm) = func.attrs.metamethod {
syn_assert!(
@@ -66,6 +90,7 @@ fn generate_impls(imp: &mut ItemImpl) -> Result<TokenStream> {
add_ffi_function(&mut registry, &func)?;
}
// process extern "Lua" lua functions
for func in get_lua_functions(imp)? {
if let Some(mm) = func.attrs.metamethod {
syn_assert!(
@@ -82,10 +107,12 @@ fn generate_impls(imp: &mut ItemImpl) -> Result<TokenStream> {
}
}
// if no #[new] metamethod is defined, inject fallback new
if !mms.contains(&Metamethod::New) {
inject_fallback_new(&mut registry)?;
}
// inject __gc/drop
inject_merged_drop(&mut registry, lua_drop.as_ref())?;
let shims = &registry.shims;
@@ -258,7 +285,7 @@ fn get_ffi_functions(imp: &mut ItemImpl) -> Result<Vec<FfiFunction>> {
let attrs = parse_ffi_function_attrs(&mut func.attrs)?;
attrs.metamethod.map(|mm| document_metamethod(func, mm));
func.sig.asyncness.is_some().then(|| document_async(func));
document_ffi_function(func);
funcs.push(FfiFunction {
@@ -279,7 +306,7 @@ fn parse_ffi_function_attrs(attrs: &mut Vec<Attribute>) -> Result<FfiFunctionAtt
let mut i = 0;
while let Some(attr) = attrs.get(i) {
if let Some(name) = attr.path().get_ident()
&& let Ok(method) = Metamethod::try_from(name)
&& let Ok(method) = Metamethod::try_from(&name.unraw())
{
match method {
Metamethod::Gc => syn_error!(attr, "implement `Drop` instead"),
@@ -546,6 +573,12 @@ fn get_lua_functions(imp: &mut ItemImpl) -> Result<Vec<LuaFunction>> {
"cannot be generic"
);
syn_assert!(
func.sig.constness.is_none(),
func.sig.constness,
"cannot be const"
);
let mut params: Vec<_> = func
.sig
.inputs
@@ -566,7 +599,7 @@ fn get_lua_functions(imp: &mut ItemImpl) -> Result<Vec<LuaFunction>> {
let attrs = parse_lua_function_attrs(&mut func.attrs)?;
attrs.metamethod.map(|mm| document_metamethod(func, mm));
func.sig.asyncness.is_some().then(|| document_async(func));
document_lua_function(func);
funcs.push(LuaFunction {
@@ -629,6 +662,7 @@ fn stub_lua_type(ty: &Type) -> Result<Type> {
} else {
match ty_name(ty)?.to_string().as_str() {
"any" => quote_spanned!(span => any),
"many" => quote_spanned!(span => many),
"nil" => quote_spanned!(span => nil),
"boolean" => quote_spanned!(span => boolean),
"lightuserdata" => quote_spanned!(span => lightuserdata),
@@ -652,7 +686,7 @@ fn parse_lua_function_attrs(attrs: &mut Vec<Attribute>) -> Result<LuaFunctionAtt
let mut i = 0;
while let Some(attr) = attrs.get(i) {
if let Some(name) = attr.path().get_ident()
&& let Ok(method) = Metamethod::try_from(name)
&& let Ok(method) = Metamethod::try_from(&name.unraw())
{
match method {
Metamethod::New => syn_error!(attr, r#"cannot be applied to a lua function"#),
@@ -718,11 +752,17 @@ fn inject_merged_drop(registry: &mut Registry, lua: Option<&LuaFunction>) -> Res
"finaliser must take exactly one parameter"
);
match lua.params[0] {
// should be `self: cdata` PatType
Pat::Type(ref ty) => {
syn_assert!(
pat_ident(&lua.params[0])? == "self",
pat_ident(&ty.pat)? == "self",
lua.params[0],
"finaliser parameter must be `self`"
);
}
_ => syn_error!(lua.params[0], "finaliser parameter must be `self`"),
}
let params = &lua.params;
let body = &lua.body;
@@ -763,42 +803,55 @@ fn inject_merged_drop(registry: &mut Registry, lua: Option<&LuaFunction>) -> Res
fn document_ffi_function(func: &mut ImplItemFn) {
func.attrs.insert(0, parse_quote!(#[doc =
r#"<span class="stab" title="This is a C/FFI function." style="float: right; font-weight: 500; margin-left: 3px; padding-left: 5px; padding-right: 5px;">FFI</span>"#
r#"<span class="stab" title="This function is implemented in Rust and called via FFI." style="float: right; background: #fff5d6; font-weight: 500; margin-left: 3px; padding-left: 5px; padding-right: 5px;">FFI</span>"#
]));
}
fn document_lua_function(func: &mut ImplItemFn) {
func.attrs.insert(0, parse_quote!(#[doc =
r#"<span class="stab" title="This is a Lua function." style="float: right; font-weight: 500; margin-left: 3px; padding-left: 5px; padding-right: 5px;">Lua</span>"#
r#"<span class="stab" title="This function is implemented in Lua." style="float: right; background: #ebf5ff; font-weight: 500; margin-left: 3px; padding-left: 5px; padding-right: 5px;">Lua</span>"#
]));
}
fn document_async(func: &mut ImplItemFn) {
func.attrs.insert(0, parse_quote!(#[doc =
r#"<span class="stab" title="This function is asynchronous." style="float: right; background: #ebf5ff; margin-left: 3px; padding-left: 5px; padding-right: 5px;">Async</span>"#
]));
}
fn document_metamethod(func: &mut ImplItemFn, method: Metamethod) {
let s = match method {
Metamethod::Eq => "This is a metamethod which is called by the `==` operator.".into(),
Metamethod::Len => "This is a metamethod which is called by the `#` operator.".into(),
Metamethod::Lt => "This is a metamethod which is called by the `<` operator.".into(),
Metamethod::Le => "This is a metamethod which is called by the `<=` operator.".into(),
Metamethod::Concat => "This is a metamethod which is called by the `..` operator.".into(),
Metamethod::Add => "This is a metamethod which is called by the `+` operator.".into(),
Metamethod::Sub => "This is a metamethod which is called by the `-` operator.".into(),
Metamethod::Mul => "This is a metamethod which is called by the `*` operator.".into(),
Metamethod::Div => "This is a metamethod which is called by the `/` operator.".into(),
Metamethod::Mod => "This is a metamethod which is called by the `%` operator.".into(),
Metamethod::Pow => "This is a metamethod which is called by the `^` operator.".into(),
Metamethod::Unm => "This is a metamethod which is called by the `-` operator.".into(),
Metamethod::Eq => "This is a metamethod which is called by the `==` operator.",
Metamethod::Len => "This is a metamethod which is called by the `#` operator.",
Metamethod::Lt => "This is a metamethod which is called by the `<` operator.",
Metamethod::Le => "This is a metamethod which is called by the `<=` operator.",
Metamethod::Concat => "This is a metamethod which is called by the `..` operator.",
Metamethod::Call => {
"This is a metamethod which can be called by calling `(...)` on the value directly."
}
Metamethod::Add => "This is a metamethod which is called by the `+` operator.",
Metamethod::Sub => "This is a metamethod which is called by the `-` operator.",
Metamethod::Mul => "This is a metamethod which is called by the `*` operator.",
Metamethod::Div => "This is a metamethod which is called by the `/` operator.",
Metamethod::Mod => "This is a metamethod which is called by the `%` operator.",
Metamethod::Pow => "This is a metamethod which is called by the `^` operator.",
Metamethod::Unm => "This is a metamethod which is called by the `-` operator.",
Metamethod::ToString => {
"This is a metamethod which can be called by the `tostring` built-in function.".into()
"This is a metamethod which is called by the [`tostring(...)`](https://www.lua.org/manual/5.1/manual.html#pdf-tostring) built-in function."
}
Metamethod::Pairs => {
"This is a metamethod which can be called by the `pairs` built-in function.".into()
"This is a metamethod which is called by the [`pairs(...)`](https://www.lua.org/manual/5.1/manual.html#pdf-pairs) built-in function."
}
Metamethod::Ipairs => {
"This is a metamethod which can be called by the `ipairs` built-in function.".into()
"This is a metamethod which is called by the [`ipairs(...)`](https://www.lua.org/manual/5.1/manual.html#pdf-ipairs) built-in function."
}
_ => format!("This is a metamethod and cannot be called directly."),
_ => "This is a metamethod and cannot be called directly.",
};
func.attrs.insert(0, parse_quote!(#[doc =
r#"<span class="stab" title="This function is a metamethod." style="float: right; background: #ebf5ff; margin-left: 3px; padding-left: 5px; padding-right: 5px;">Metamethod</span>"#
]));
func.attrs.push(parse_quote!(#[doc = ""]));
func.attrs.push(parse_quote!(#[doc = #s]));
}

View File

@@ -1,5 +1,5 @@
use std::env;
use syn::{spanned::Spanned, *};
use syn::{ext::IdentExt, spanned::Spanned, *};
macro_rules! syn_error {
($src:expr, $($fmt:expr),+) => {{
@@ -63,7 +63,7 @@ pub fn is_primitivelike(ty: &Type) -> bool {
Type::Path(path) => {
if let Some(name) = path.path.get_ident() {
return matches!(
name.to_string().as_str(),
name.unraw().to_string().as_str(),
"bool"
| "u8"
| "u16"
@@ -115,31 +115,37 @@ pub fn is_stringlike(ty: &Type) -> Option<StringLike> {
&& ty.mutability.is_none()
&& ty.lifetime.is_none()
{
match *ty.elem {
Some(match *ty.elem {
Type::Slice(ref slice) => {
// match &[u8]
if let Type::Path(ref path) = *slice.elem
&& let Some(name) = path.path.get_ident()
&& name == "u8"
{
return Some(StringLike::SliceU8);
match name.unraw().to_string().as_str() {
"u8" => StringLike::SliceU8,
_ => return None,
}
} else {
return None;
}
}
Type::Path(ref path) => {
// match &str or &BStr
if let Some(name) = path.path.get_ident() {
match name.to_string().as_str() {
"str" => return Some(StringLike::Str),
"BStr" => return Some(StringLike::BStr),
_ => {}
match name.unraw().to_string().as_str() {
"str" => StringLike::Str,
"BStr" => StringLike::BStr,
_ => return None,
}
} else {
return None;
}
}
}
_ => {}
}
}
_ => return None,
})
} else {
None
}
}
pub fn is_optionlike(ty: &Type) -> Option<&Type> {

View File

@@ -14,3 +14,6 @@ proc-macro = true
proc-macro2 = "1.0.95"
quote = "1.0.40"
syn = { version = "2.0.103", features = ["full", "visit-mut"] }
[dev-dependencies]
pretty_assertions = "1.4.1"

View File

@@ -14,6 +14,12 @@ pub fn generate(expr: &Expr) -> Result<TokenStream> {
Ok(f.done())
}
pub fn generate_chunk(block: &Block) -> Result<TokenStream> {
let mut f = Formatter::default();
generate_block(&mut f, &block, Context::stmt(false))?;
Ok(f.done())
}
#[derive(Default)]
struct Formatter {
buf: String,

View File

@@ -1,4 +1,7 @@
use crate::{generate::generate, transform::transform};
use crate::{
generate::{generate, generate_chunk},
transform::{transform, transform_chunk},
};
use proc_macro::TokenStream as TokenStream1;
use quote::ToTokens;
use syn::parse_macro_input;
@@ -16,3 +19,13 @@ pub fn luaify(input: TokenStream1) -> TokenStream1 {
}
.into()
}
#[proc_macro]
pub fn luaify_chunk(input: TokenStream1) -> TokenStream1 {
let mut block = parse_macro_input!(input);
match transform_chunk(&mut block).and_then(|()| generate_chunk(&block)) {
Ok(s) => s,
Err(err) => err.into_compile_error().into_token_stream(),
}
.into()
}

View File

@@ -9,6 +9,12 @@ pub fn transform(expr: &mut Expr) -> Result<()> {
visitor.result
}
pub fn transform_chunk(block: &mut Block) -> Result<()> {
let mut visitor = Visitor::new();
visitor.visit_block_mut(block);
visitor.result
}
#[derive(Debug)]
struct Visitor {
result: Result<()>,

View File

@@ -1,4 +1,5 @@
use luaify::luaify;
use luaify::{luaify, luaify_chunk};
use pretty_assertions::assert_eq;
#[test]
fn raw_ident() {
@@ -402,3 +403,19 @@ fn length() {
r#"local a,b,c=#a,#b,#c;"#
);
}
#[test]
fn chunk() {
assert_eq!(
luaify_chunk!({
if a == b {
c()
} else if b == c {
a()
} else {
d()
}
}),
"if a==b then c();elseif b==c then a();else d();end;"
);
}

View File

@@ -9,6 +9,7 @@ use std::{
ffi::{CStr, CString, NulError},
fmt,
marker::PhantomData,
mem::ManuallyDrop,
ops::{Deref, DerefMut},
os::raw::{c_char, c_int, c_void},
pin::Pin,
@@ -35,6 +36,11 @@ pub fn url() -> &'static str {
LUAJIT_URL.to_str().unwrap()
}
// reexport constants
pub use luajit_sys::{
LUA_ENVIRONINDEX, LUA_GLOBALSINDEX, LUA_MULTRET, LUA_NOREF, LUA_REFNIL, LUA_REGISTRYINDEX,
};
/// Lua error.
#[derive(Debug, Error)]
#[non_exhaustive]
@@ -477,6 +483,19 @@ pub struct Ref {
key: c_int,
}
impl Ref {
/// Consumes this ref and returns the original key used to create the ref.
///
/// This key can be used to index into the registry table ([`LUA_REGISTRYINDEX`]) to retrieve
/// the referenced value. The key can be converted back into a ref using
/// [`State::new_ref_unchecked`].
pub fn into_raw(self) -> c_int {
let Self { ref mut state, key } = *ManuallyDrop::new(self);
unsafe { ptr::drop_in_place(state) }
key
}
}
impl Drop for Ref {
fn drop(&mut self) {
// SAFETY: luaL_unref is guaranteed to not fail
@@ -871,7 +890,7 @@ impl Stack {
/// array-part, these values are **not** cleared. The number of values popped is returned, which
/// is always equal to `n`.
///
/// This method does not invoke any metamethods.
/// This method does not invoke any metamethods. The table is not popped from the stack.
///
/// Equivalent to `table.pack(...)`.
///
@@ -907,7 +926,8 @@ impl Stack {
/// pushed at the top of the stack in ascending order. If `i > j`, then nothing is pushed.
/// Otherwise, `j - i + 1` values are pushed, and the number of values pushed is returned.
///
/// This method does not invoke any metamethods.
/// This method does not invoke any metamethods. The table is not popped from the stack or
/// altered in any way.
///
/// Equivalent to `table.unpack(list, i, j)`.
///

View File

@@ -1,2 +1,20 @@
#[cfg(feature = "task")]
pub use lb::chan;
#[cfg(feature = "fs")]
pub use lb::fs;
#[cfg(feature = "net")]
pub use lb::net;
#[cfg(feature = "task")]
pub use lb::task;
#[doc(hidden)]
pub fn open(#[allow(unused)] rt: &mut lb::runtime::Builder) {
#[cfg(feature = "task")]
rt.module::<task::lb_tasklib>();
#[cfg(feature = "task")]
rt.module::<chan::lb_chanlib>();
#[cfg(feature = "fs")]
rt.module::<fs::lb_fslib>();
#[cfg(feature = "net")]
rt.module::<net::lb_netlib>();
}

View File

@@ -1,7 +1,7 @@
use clap::Parser;
use mimalloc::MiMalloc;
use owo_colors::OwoColorize;
use std::{backtrace::Backtrace, fmt::Display, net::SocketAddr, num::NonZero, panic, thread};
use std::{backtrace::Backtrace, fmt::Display, num::NonZero, panic, process, thread};
use sysexits::ExitCode;
#[global_allocator]
@@ -20,24 +20,42 @@ fn panic_cb(panic: &panic::PanicHookInfo) {
};
eprint!(
"{}:\n{trace}",
"{}\n{trace}",
format_args!(
"thread '{}' panicked at {location}: {msg}",
thread::current().name().unwrap_or("<unnamed>")
)
.red()
.bold()
);
eprintln!(
"{}",
format_args!(
"This is a bug in luby. Please kindly report this at {}.",
"luby should never panic. Please kindly report this bug at {}.",
env!("CARGO_PKG_REPOSITORY")
)
.yellow()
.bold()
);
}
fn error_cb(err: &luajit::Error) {
match err.trace() {
Some(trace) => eprintln!("{}\n{trace}", err.red().bold()),
None => eprintln!("{}", err.red().bold()),
}
process::exit(1);
}
fn unwrap_exit<T, E: Display>(code: ExitCode) -> impl FnOnce(E) -> T {
move |err| {
eprintln!("{}", err.red().bold());
code.exit()
}
}
#[derive(Debug, Parser)]
struct Args {
/// Paths to scripts to execute.
@@ -80,10 +98,12 @@ struct Args {
blocking_threads: NonZero<usize>,
/// Enable tokio-console integration.
#[cfg(feature = "tokio-console")]
#[clap(long, help_heading = "Debugging")]
enable_console: bool,
/// tokio-console publish address.
#[cfg(feature = "tokio-console")]
#[clap(
long,
help_heading = "Debugging",
@@ -91,7 +111,16 @@ struct Args {
default_value = "127.0.0.1:6669",
requires = "enable_console"
)]
console_addr: SocketAddr,
console_addr: std::net::SocketAddr,
/// Dump internal data.
#[clap(
long,
help_heading = "Debugging",
value_name = "DATA",
value_parser = ["cdef"]
)]
dump: Vec<String>,
/// Print version.
#[clap(long, short = 'V')]
@@ -108,13 +137,6 @@ impl Args {
}
}
fn exit_err<T, E: Display>(code: ExitCode) -> impl FnOnce(E) -> T {
move |err| {
eprintln!("{}", err.red());
code.exit()
}
}
fn main() -> Result<(), ExitCode> {
panic::set_hook(Box::new(panic_cb));
@@ -149,7 +171,7 @@ fn print_version() {
fn init_logger(args: &Args) {
use tracing::level_filters::LevelFilter;
use tracing_subscriber::{Layer, util::*};
use tracing_subscriber::util::*;
let log = tracing_subscriber::fmt()
.compact()
@@ -163,61 +185,75 @@ fn init_logger(args: &Args) {
.with_target(false)
.finish();
if args.enable_console {
#[cfg(feature = "tokio-console")]
{
use tracing_subscriber::Layer;
console_subscriber::ConsoleLayer::builder()
.with_default_env()
.server_addr(args.console_addr)
.spawn()
.with_subscriber(log)
.init()
} else {
log.init()
.init();
}
#[cfg(not(feature = "tokio-console"))]
log.init();
}
fn init_tokio(args: &Args) -> tokio::runtime::Runtime {
let mut rt = match args.threads.get() {
match args.threads.get() {
1 => tokio::runtime::Builder::new_current_thread(),
n => {
let mut rt = tokio::runtime::Builder::new_multi_thread();
rt.worker_threads(n - 1);
rt
}
};
rt.enable_all()
}
.enable_all()
.thread_name("luby")
.max_blocking_threads(args.blocking_threads.get())
.build()
.unwrap_or_else(exit_err(ExitCode::OsErr))
.unwrap_or_else(unwrap_exit(ExitCode::OsErr))
}
fn init_lua(args: &Args) -> lb::runtime::Runtime {
let rt = lb::runtime::Builder::new();
let mut rt = rt.build().unwrap_or_else(exit_err(ExitCode::Software));
let mut rt = {
let mut rt = lb::runtime::Builder::new();
luby::open(&mut rt);
if args.dump.iter().find(|s| *s == "cdef").is_some() {
print!("{}", rt.registry()); // for cdef debugging
}
rt.unhandled_error(error_cb).build().unwrap()
};
for arg in args.jit.iter() {
let mut s = rt.guard();
if let Some((cmd, flags)) = parse_jitlib_cmd(arg)
let res = if let Some((cmd, flags)) = parse_jitlib_cmd(arg)
&& let Ok(_) = s.require(format!("jit.{cmd}"), 1)
{
(s.push("start"), s.get(-2), s.push(flags));
s.call(1, 0)
s.call(1, 0) // require("jit.{cmd}").start(flags)
} else {
s.require("jit", 1).unwrap();
match arg.as_str() {
cmd @ ("on" | "off" | "flush") => {
(s.push(cmd), s.get(-2));
s.call(0, 0)
s.call(0, 0) // require("jit").[on/off/flush]()
}
arg => {
flags => {
(s.push("opt"), s.get(-2));
(s.push("start"), s.get(-2), s.push(arg));
s.call(1, 0)
(s.push("start"), s.get(-2), s.push(flags));
s.call(1, 0) // require("jit").opt.start(flags)
}
}
};
if let Err(err) = res {
drop(s);
rt.report_error(&err);
}
.unwrap_or_else(exit_err(ExitCode::Usage));
}
rt
@@ -225,34 +261,27 @@ fn init_lua(args: &Args) -> lb::runtime::Runtime {
fn parse_jitlib_cmd(s: &str) -> Option<(&str, &str)> {
match s {
"p" => Some(("p", "Flspv10")),
"v" => Some(("v", "-")),
"dump" => Some(("dump", "tirs")),
"p" => Some(("p", "Flspv10")), // default -jp flags
"v" => Some(("v", "-")), // default -jv flags
"dump" => Some(("dump", "tirs")), // default -jdump flags
_ => s.split_once('='),
}
}
async fn main_async(args: Args, state: &mut luajit::State) -> Result<(), ExitCode> {
async fn main_async(args: Args, cx: &mut lb::runtime::Context) -> Result<(), ExitCode> {
for ref path in args.path {
let mut s = state.guard();
let chunk = match std::fs::read(path) {
Ok(chunk) => chunk,
Err(err) => {
eprintln!("{}", format_args!("{path}: {err}").red());
ExitCode::NoInput.exit();
eprintln!("{}", format_args!("{path}: {err}").red().bold());
return Err(ExitCode::NoInput);
}
};
s.load(&luajit::Chunk::new(chunk).path(path))
.unwrap_or_else(exit_err(ExitCode::NoInput));
if let Err(err) = s.call_async(0, 0).await {
match err.trace() {
Some(trace) => eprintln!("{}\n{trace}", err.red()), // runtime error
None => eprintln!("{}", err.red()),
}
ExitCode::DataErr.exit();
if let Err(ref err) = cx.load(&luajit::Chunk::new(chunk).path(path)) {
cx.report_error(err);
} else if let Err(ref err) = cx.call_async(0, 0).await {
cx.report_error(err);
}
}

View File

@@ -1,6 +0,0 @@
local ffi = require("ffi")
local lb = ffi.new("struct lb_core")
print(lb)
lb.spawn("")

97
tests/main.lua Normal file
View File

@@ -0,0 +1,97 @@
if (...) ~= nil and (...).type == "group" then return end -- prevent recursive main call
local fs = require("lb:fs")
local global = _G
local colors = {
reset = "\x1b[0m",
pass = "\x1b[32;1m",
fail = "\x1b[31;1m",
}
local function color(name, s)
return colors[name] .. s .. colors.reset
end
local function create_test(name, f, group)
local test = { type = "test", name = name or "", group = group, state = "pending", f = f }
local fenv = setmetatable({}, { __index = global })
setfenv(f, fenv)
return test
end
local function create_group(name, f, parent)
local group = { type = "group", name = name or "", parent = parent, items = {} }
local fenv = setmetatable({
describe = function(name, f)
local item = create_group(name, f, group)
table.insert(group.items, item)
return item
end,
test = function(name, f)
local item = create_test(name, f, group)
table.insert(group.items, item)
return item
end,
}, { __index = global })
setfenv(f, fenv)
f(group)
return group
end
local function name_test(test)
local name = test.name
local group = test.group
while group ~= nil do
if group.name ~= "" then name = group.name .. " " .. name end
group = group.parent
end
return name
end
local function trace(msg)
return color("fail", msg) .. debug.traceback("", 2):sub(("\nstack traceback:"):len() + 1)
end
local function run_test(test)
local ok, res = xpcall(test.f, trace, test)
if ok then
test.state = "pass"
print("", color("pass", "PASS") .. " " .. name_test(test))
else
test.state = "fail"
print("", color("fail", "FAIL") .. " " .. name_test(test) .. "\n")
print(res .. "\n")
end
return test
end
local function start(cx, item)
if item.type == "test" then
table.insert(cx.tasks, spawn(run_test, item))
elseif item.type == "group" then
for _, item in ipairs(item.items) do
start(cx, item)
end
end
end
local function run(item)
local cx = { tasks = {} }
local pass = true
start(cx, item)
for _, task in ipairs(cx.tasks) do
if task:await().state ~= "pass" then pass = false end
end
if pass then return 0 end -- report status to cargo
return 1
end
return run(create_group("", function()
for entry in fs:glob("{tests,crates/*/tests}/**/*.lua") do
local path = entry:path():sub(3)
local f, err = loadfile(path)
if not f then error(err) end
describe(path, f)
end
end))

44
tests/main.rs Normal file
View File

@@ -0,0 +1,44 @@
use luajit::Chunk;
use owo_colors::OwoColorize;
use std::{
fs,
process::{self, ExitCode},
};
fn main() -> ExitCode {
let tokio = tokio::runtime::Runtime::new().unwrap();
let lua = {
let mut rt = lb::runtime::Builder::new();
luby::open(&mut rt);
rt.unhandled_error(error_cb).build().unwrap()
};
let path = "tests/main.lua";
let main = lua.spawn(async move |s| {
if let Err(ref err) = s.load(Chunk::new(fs::read(path).unwrap()).path(path)) {
s.report_error(err);
} else if let Err(ref err) = s.call_async(0, 1).await {
s.report_error(err);
}
if s.slot(1).integer().unwrap_or(1) == 0 {
ExitCode::SUCCESS
} else {
ExitCode::FAILURE
}
});
tokio.block_on(async move {
lua.await;
main.await.unwrap()
})
}
fn error_cb(err: &luajit::Error) {
match err.trace() {
Some(trace) => eprintln!("{}\n{trace}", err.red().bold()),
None => eprintln!("{}", err.red().bold()),
}
process::exit(1);
}