147 lines
3.4 KiB
Rust
147 lines
3.4 KiB
Rust
#![cfg(not(feature = "no_object"))]
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use rhai::{CustomType, Engine, EvalAltResult, Position, TypeBuilder, INT};
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#[test]
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fn build_type() -> Result<(), Box<EvalAltResult>> {
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#[derive(Debug, Clone, PartialEq)]
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struct Vec3 {
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x: INT,
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y: INT,
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z: INT,
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}
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impl Vec3 {
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fn new(x: INT, y: INT, z: INT) -> Self {
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Self { x, y, z }
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}
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fn get_x(&mut self) -> INT {
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self.x
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}
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fn set_x(&mut self, x: INT) {
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self.x = x
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}
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fn get_y(&mut self) -> INT {
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self.y
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}
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fn set_y(&mut self, y: INT) {
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self.y = y
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}
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fn get_z(&mut self) -> INT {
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self.z
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}
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fn set_z(&mut self, z: INT) {
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self.z = z
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}
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fn get_component(&mut self, idx: INT) -> Result<INT, Box<EvalAltResult>> {
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match idx {
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0 => Ok(self.x),
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1 => Ok(self.y),
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2 => Ok(self.z),
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_ => Err(Box::new(EvalAltResult::ErrorIndexNotFound(
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idx.into(),
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Position::NONE,
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))),
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}
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}
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}
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impl IntoIterator for Vec3 {
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type Item = INT;
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type IntoIter = std::vec::IntoIter<Self::Item>;
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fn into_iter(self) -> Self::IntoIter {
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vec![self.x, self.y, self.z].into_iter()
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}
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}
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impl CustomType for Vec3 {
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fn build(mut builder: TypeBuilder<Self>) {
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builder
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.with_name("Vec3")
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.is_iterable()
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.with_fn("vec3", Self::new)
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.is_iterable()
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.with_get_set("x", Self::get_x, Self::set_x)
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.with_get_set("y", Self::get_y, Self::set_y)
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.with_get_set("z", Self::get_z, Self::set_z);
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#[cfg(not(feature = "no_index"))]
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builder.with_indexer_get(Self::get_component);
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}
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}
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let mut engine = Engine::new();
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engine.build_type::<Vec3>();
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assert_eq!(
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engine.eval::<Vec3>(
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"
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let v = vec3(1, 2, 3);
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v
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",
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)?,
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Vec3::new(1, 2, 3),
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);
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assert_eq!(
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engine.eval::<INT>(
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"
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let v = vec3(1, 2, 3);
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v.x
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",
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)?,
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1,
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);
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assert_eq!(
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engine.eval::<INT>(
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"
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let v = vec3(1, 2, 3);
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v.y
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",
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)?,
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2,
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);
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assert_eq!(
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engine.eval::<INT>(
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"
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let v = vec3(1, 2, 3);
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v.z
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",
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)?,
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3,
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);
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#[cfg(not(feature = "no_index"))]
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assert!(engine.eval::<bool>(
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"
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let v = vec3(1, 2, 3);
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v.x == v[0] && v.y == v[1] && v.z == v[2]
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",
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)?);
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assert_eq!(
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engine.eval::<Vec3>(
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"
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let v = vec3(1, 2, 3);
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v.x = 5;
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v.y = 6;
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v.z = 7;
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v
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",
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)?,
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Vec3::new(5, 6, 7),
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);
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assert_eq!(
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engine.eval::<INT>(
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"
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let sum = 0;
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let v = vec3(1, 2, 3);
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for i in v {
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sum += i;
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}
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sum
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",
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)?,
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6,
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);
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Ok(())
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}
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