100 lines
2.8 KiB
Rust
100 lines
2.8 KiB
Rust
//! Module containing all built-in _packages_ available to Rhai, plus facilities to define custom packages.
|
|
|
|
use crate::{Module, Shared};
|
|
|
|
pub(crate) mod arithmetic;
|
|
mod array_basic;
|
|
mod fn_basic;
|
|
mod iter_basic;
|
|
mod logic;
|
|
mod map_basic;
|
|
mod math_basic;
|
|
mod pkg_core;
|
|
mod pkg_std;
|
|
mod string_basic;
|
|
mod string_more;
|
|
mod time_basic;
|
|
|
|
pub use arithmetic::ArithmeticPackage;
|
|
#[cfg(not(feature = "no_index"))]
|
|
pub use array_basic::BasicArrayPackage;
|
|
pub use fn_basic::BasicFnPackage;
|
|
pub use iter_basic::BasicIteratorPackage;
|
|
pub use logic::LogicPackage;
|
|
#[cfg(not(feature = "no_object"))]
|
|
pub use map_basic::BasicMapPackage;
|
|
pub use math_basic::BasicMathPackage;
|
|
pub use pkg_core::CorePackage;
|
|
pub use pkg_std::StandardPackage;
|
|
pub use string_basic::BasicStringPackage;
|
|
pub use string_more::MoreStringPackage;
|
|
#[cfg(not(feature = "no_std"))]
|
|
pub use time_basic::BasicTimePackage;
|
|
|
|
/// Trait that all packages must implement.
|
|
pub trait Package {
|
|
/// Register all the functions in a package into a store.
|
|
fn init(lib: &mut Module);
|
|
|
|
/// Retrieve the generic package library from this package.
|
|
fn as_shared_module(&self) -> Shared<Module>;
|
|
|
|
/// Retrieve the generic package library from this package.
|
|
///
|
|
/// # Deprecated
|
|
///
|
|
/// Use [`as_shared_module`][Package::as_shared_module] instead.
|
|
#[deprecated = "use `as_shared_module` instead"]
|
|
fn get(&self) -> Shared<Module> {
|
|
self.as_shared_module()
|
|
}
|
|
}
|
|
|
|
/// Macro that makes it easy to define a _package_ (which is basically a shared [module][Module])
|
|
/// and register functions into it.
|
|
///
|
|
/// Functions can be added to the package using [`Module::set_native_fn`].
|
|
///
|
|
/// # Example
|
|
///
|
|
/// Define a package named `MyPackage` with a single function named `my_add`:
|
|
///
|
|
/// ```
|
|
/// use rhai::{Dynamic, EvalAltResult};
|
|
/// use rhai::def_package;
|
|
///
|
|
/// fn add(x: i64, y: i64) -> Result<i64, Box<EvalAltResult>> { Ok(x + y) }
|
|
///
|
|
/// def_package!(rhai:MyPackage:"My super-duper package", lib,
|
|
/// {
|
|
/// // Load a binary function with all value parameters.
|
|
/// lib.set_native_fn("my_add", add);
|
|
/// });
|
|
/// ```
|
|
#[macro_export]
|
|
macro_rules! def_package {
|
|
($root:ident : $package:ident : $comment:expr , $lib:ident , $block:stmt) => {
|
|
#[doc=$comment]
|
|
pub struct $package($root::Shared<$root::Module>);
|
|
|
|
impl $root::packages::Package for $package {
|
|
fn as_shared_module(&self) -> $root::Shared<$root::Module> {
|
|
self.0.clone()
|
|
}
|
|
|
|
fn init($lib: &mut $root::Module) {
|
|
$block
|
|
}
|
|
}
|
|
|
|
impl $package {
|
|
pub fn new() -> Self {
|
|
let mut module = $root::Module::new();
|
|
<Self as $root::packages::Package>::init(&mut module);
|
|
module.build_index();
|
|
Self(module.into())
|
|
}
|
|
}
|
|
};
|
|
}
|