pipa/host/
func.rs

1use crate::runtime::context::JSContext;
2use crate::value::JSValue;
3
4pub type HostFunc = fn(&mut JSContext, &[JSValue]) -> JSValue;
5
6#[derive(Clone, Copy)]
7pub struct HostFunction {
8    pub func: HostFunc,
9    pub name: &'static str,
10    pub arity: u32,
11    pub needs_this: bool,
12    pub is_constructor: bool,
13}
14
15impl HostFunction {
16    pub fn new(name: &'static str, arity: u32, func: HostFunc) -> Self {
17        HostFunction {
18            name,
19            arity,
20            func,
21            needs_this: false,
22            is_constructor: false,
23        }
24    }
25
26    pub fn method(name: &'static str, arity: u32, func: HostFunc) -> Self {
27        HostFunction {
28            name,
29            arity,
30            func,
31            needs_this: true,
32            is_constructor: false,
33        }
34    }
35
36    pub fn ctor(name: &'static str, arity: u32, func: HostFunc) -> Self {
37        HostFunction {
38            name,
39            arity,
40            func,
41            needs_this: false,
42            is_constructor: true,
43        }
44    }
45
46    pub fn call(&self, ctx: &mut JSContext, args: &[JSValue]) -> JSValue {
47        (self.func)(ctx, args)
48    }
49}
pipa/host/func.rs

pipa/host/
func.rs
