133 lines
3.5 KiB
Rust
133 lines
3.5 KiB
Rust
#![cfg(not(any(feature = "no_index", feature = "no_module")))]
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use rhai::plugin::*;
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use rhai::{Engine, EvalAltResult, INT};
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mod test {
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use rhai::plugin::*;
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#[export_module]
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pub mod special_array_package {
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use rhai::{Array, INT};
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pub const MYSTIC_NUMBER: INT = 42;
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#[cfg(not(feature = "no_object"))]
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pub mod feature {
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use rhai::{Array, Dynamic, EvalAltResult};
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#[rhai_fn(get = "foo", return_raw)]
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#[inline(always)]
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pub fn foo(array: &mut Array) -> RhaiResult {
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Ok(array[0].clone())
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}
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}
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pub fn hash(_text: String) -> INT {
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42
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}
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pub fn hash2(_text: &str) -> INT {
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42
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}
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#[rhai_fn(name = "test", name = "hi")]
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#[inline(always)]
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pub fn len(array: &mut Array, mul: INT) -> INT {
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(array.len() as INT) * mul
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}
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#[rhai_fn(name = "+")]
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#[inline(always)]
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pub fn funky_add(x: INT, y: INT) -> INT {
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x / 2 + y * 2
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}
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}
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}
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macro_rules! gen_unary_functions {
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($op_name:ident = $op_fn:ident ( $($arg_type:ident),+ ) -> $return_type:ident) => {
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mod $op_name { $(
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#[allow(non_snake_case)]
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pub mod $arg_type {
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use super::super::*;
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#[export_fn(name="test")]
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pub fn single(x: $arg_type) -> $return_type {
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super::super::$op_fn(x)
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}
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}
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)* }
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}
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}
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macro_rules! reg_functions {
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($mod_name:ident += $op_name:ident :: $func:ident ( $($arg_type:ident),+ )) => {
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$(register_exported_fn!($mod_name, stringify!($op_name), $op_name::$arg_type::$func);)*
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}
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}
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fn make_greeting(n: impl std::fmt::Display) -> String {
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format!("{} kitties", n)
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}
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gen_unary_functions!(greet = make_greeting(INT, bool, char) -> String);
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#[test]
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fn test_plugins_package() -> Result<(), Box<EvalAltResult>> {
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let mut engine = Engine::new();
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let mut m = Module::new();
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combine_with_exported_module!(&mut m, "test", test::special_array_package);
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engine.register_global_module(m.into());
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reg_functions!(engine += greet::single(INT, bool, char));
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#[cfg(not(feature = "no_object"))]
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assert_eq!(engine.eval::<INT>("let a = [1, 2, 3]; a.foo")?, 1);
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assert_eq!(engine.eval::<INT>(r#"hash("hello")"#)?, 42);
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assert_eq!(engine.eval::<INT>(r#"hash2("hello")"#)?, 42);
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assert_eq!(engine.eval::<INT>("let a = [1, 2, 3]; test(a, 2)")?, 6);
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assert_eq!(engine.eval::<INT>("let a = [1, 2, 3]; hi(a, 2)")?, 6);
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assert_eq!(engine.eval::<INT>("let a = [1, 2, 3]; test(a, 2)")?, 6);
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assert_eq!(engine.eval::<INT>("2 + 2")?, 5);
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assert_eq!(
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engine.eval::<String>("let a = [1, 2, 3]; greet(test(a, 2))")?,
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"6 kitties"
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);
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engine.register_static_module("test", exported_module!(test::special_array_package).into());
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assert_eq!(engine.eval::<INT>("test::MYSTIC_NUMBER")?, 42);
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Ok(())
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}
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#[test]
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fn test_plugins_parameters() -> Result<(), Box<EvalAltResult>> {
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#[export_module]
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mod rhai_std {
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use rhai::*;
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pub fn noop(_: &str) {}
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}
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let mut engine = Engine::new();
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let std = exported_module!(rhai_std);
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engine.register_static_module("std", std.into());
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assert_eq!(
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engine.eval::<String>(
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r#"
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let s = "hello";
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std::noop(s);
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s
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"#
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)?,
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"hello"
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);
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Ok(())
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}
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