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Support for methods. Started support for functions defined in script but not yet ready

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jonathandturner
2016-03-01 15:16:10 -05:00
parent 419781cfb6
commit a8fa76c2fc
4 changed files with 297 additions and 128 deletions
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42
src/fn_register.rs
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@@ -7,6 +7,48 @@ pub trait FnRegister {
fn register(self, engine: &mut Engine, name: &str);
}
impl<T: Any+Clone, U: Any+Clone, V: Any+Clone, W: Any+Clone> FnRegister for fn(&mut T, U, V)->W {
fn register(self, engine: &mut Engine, name: &str) {
let wrapped : Box<Fn(&mut Box<Any>, &mut Box<Any>, &mut Box<Any>)->Result<Box<Any>, EvalError>> =
Box::new(
move |x: &mut Box<Any>, y: &mut Box<Any>, z: &mut Box<Any>| {
let inside1 = (*x).downcast_mut() as Option<&mut T>;
let inside2 = (*y).downcast_mut() as Option<&mut U>;
let inside3 = (*z).downcast_mut() as Option<&mut V>;
match (inside1, inside2, inside3) {
(Some(b), Some(c), Some(d)) => Ok(Box::new(self(b, c.clone(), d.clone())) as Box<Any>),
_ => Err(EvalError::FunctionArgMismatch)
}
}
);
let ent = engine.fns_arity_3.entry(name.to_string()).or_insert(Vec::new());
(*ent).push(wrapped);
}
}
impl<T: Any+Clone, U: Any+Clone, V: Any+Clone, W: Any+Clone> FnRegister for fn(T, U, V)->W {
fn register(self, engine: &mut Engine, name: &str) {
let wrapped : Box<Fn(&mut Box<Any>, &mut Box<Any>, &mut Box<Any>)->Result<Box<Any>, EvalError>> =
Box::new(
move |x: &mut Box<Any>, y: &mut Box<Any>, z: &mut Box<Any>| {
let inside1 = (*x).downcast_mut() as Option<&mut T>;
let inside2 = (*y).downcast_mut() as Option<&mut U>;
let inside3 = (*z).downcast_mut() as Option<&mut V>;
match (inside1, inside2, inside3) {
(Some(b), Some(c), Some(d)) => Ok(Box::new(self(b.clone(), c.clone(), d.clone())) as Box<Any>),
_ => Err(EvalError::FunctionArgMismatch)
}
}
);
let ent = engine.fns_arity_3.entry(name.to_string()).or_insert(Vec::new());
(*ent).push(wrapped);
}
}
impl<T: Any+Clone, U: Any+Clone, V: Any+Clone> FnRegister for fn(&mut T, U)->V {
fn register(self, engine: &mut Engine, name: &str) {
let wrapped : Box<Fn(&mut Box<Any>, &mut Box<Any>)->Result<Box<Any>, EvalError>> =