rhai/tests/plugins.rs

88 lines
2.5 KiB
Rust
Raw Normal View History

2020-08-07 02:41:06 +02:00
#![cfg(not(any(feature = "no_index", feature = "no_module")))]
use rhai::plugin::*;
2020-08-02 09:39:16 +02:00
use rhai::{Engine, EvalAltResult, INT};
2020-08-20 16:11:41 +02:00
mod test {
use rhai::plugin::*;
2020-08-02 09:39:16 +02:00
2020-08-20 16:11:41 +02:00
#[export_module]
pub mod special_array_package {
use rhai::{Array, INT};
#[cfg(not(feature = "no_object"))]
pub mod feature {
2020-09-04 09:42:31 +02:00
use rhai::{Array, Dynamic, EvalAltResult};
#[rhai_fn(get = "foo", return_raw)]
#[inline(always)]
pub fn foo(array: &mut Array) -> Result<Dynamic, Box<EvalAltResult>> {
Ok(array[0].clone())
}
2020-08-20 16:11:41 +02:00
}
2020-09-04 05:57:40 +02:00
#[rhai_fn(name = "test", name = "hi")]
2020-08-20 16:11:41 +02:00
#[inline(always)]
pub fn len(array: &mut Array, mul: INT) -> INT {
(array.len() as INT) * mul
}
#[rhai_fn(name = "+")]
#[inline(always)]
pub fn funky_add(x: INT, y: INT) -> INT {
x / 2 + y * 2
}
}
2020-08-02 09:39:16 +02:00
}
2020-08-14 07:43:26 +02:00
macro_rules! gen_unary_functions {
($op_name:ident = $op_fn:ident ( $($arg_type:ident),+ ) -> $return_type:ident) => {
mod $op_name { $(
pub mod $arg_type {
use super::super::*;
#[export_fn(name="test")]
2020-08-14 07:43:26 +02:00
pub fn single(x: $arg_type) -> $return_type {
super::super::$op_fn(x)
}
}
)* }
}
2020-08-02 12:53:25 +02:00
}
2020-08-14 07:43:26 +02:00
macro_rules! reg_functions {
($mod_name:ident += $op_name:ident :: $func:ident ( $($arg_type:ident),+ )) => {
$(register_exported_fn!($mod_name, stringify!($op_name), $op_name::$arg_type::$func);)*
}
}
fn make_greeting<T: std::fmt::Display>(n: T) -> String {
format!("{} kitties", n)
}
gen_unary_functions!(greet = make_greeting(INT, bool, char) -> String);
2020-08-02 09:39:16 +02:00
#[test]
2020-08-02 12:53:25 +02:00
fn test_plugins_package() -> Result<(), Box<EvalAltResult>> {
2020-08-02 09:39:16 +02:00
let mut engine = Engine::new();
let mut m = Module::new();
m.combine_flatten(exported_module!(test::special_array_package));
2020-08-02 12:53:25 +02:00
engine.load_package(m);
2020-08-02 09:39:16 +02:00
2020-08-14 07:43:26 +02:00
reg_functions!(engine += greet::single(INT, bool, char));
2020-08-19 07:39:20 +02:00
#[cfg(not(feature = "no_object"))]
2020-08-18 03:25:43 +02:00
assert_eq!(engine.eval::<INT>("let a = [1, 2, 3]; a.foo")?, 1);
2020-08-19 07:39:20 +02:00
2020-09-04 05:57:40 +02:00
assert_eq!(engine.eval::<INT>("let a = [1, 2, 3]; test(a, 2)")?, 6);
assert_eq!(engine.eval::<INT>("let a = [1, 2, 3]; hi(a, 2)")?, 6);
assert_eq!(engine.eval::<INT>("let a = [1, 2, 3]; test(a, 2)")?, 6);
assert_eq!(engine.eval::<INT>("2 + 2")?, 5);
2020-08-02 12:53:25 +02:00
assert_eq!(
engine.eval::<String>("let a = [1, 2, 3]; greet(test(a, 2))")?,
2020-08-02 12:53:25 +02:00
"6 kitties"
);
2020-08-02 09:39:16 +02:00
Ok(())
}