emscripten_val/
id.rs

1use emscripten_val_sys::bind::*;
2use std::sync::Once;
3use std::ffi::CString;
4
5use crate::utils::get_type_id;
6
7pub struct GenericWireType(pub f64);
8
9pub trait JsType {
10    fn id() -> crate::TYPEID;
11    fn signature() -> char {
12        'p'
13    }
14    fn from_generic_wire_type(v: GenericWireType) -> Self;
15}
16
17impl JsType for bool {
18    fn id() -> crate::TYPEID {
19        static INIT: Once = Once::new();
20        let type_id = get_type_id::<bool>();
21
22        unsafe {
23            INIT.call_once(|| {
24                let name = CString::new("rust_bool").unwrap();
25                _embind_register_bool(type_id, name.as_ptr(), true, false);
26            });
27            type_id
28        }
29    }
30
31    fn signature() -> char {
32        'i'
33    }
34
35    fn from_generic_wire_type(v: GenericWireType) -> Self {
36        v.0 != 0f64
37    }
38}
39
40macro_rules! register_rust_int {
41    ($t:ty, $name:expr) => {
42        impl JsType for $t {
43            fn id() -> crate::TYPEID {
44                static INIT: Once = Once::new();
45                let type_id = get_type_id::<$t>();
46
47                unsafe {
48                    INIT.call_once(|| {
49                        let name_cstr = CString::new($name).unwrap();
50                        _embind_register_integer(
51                            type_id,
52                            name_cstr.as_ptr(),
53                            std::mem::size_of::<$t>(),
54                            <$t>::MIN as _,
55                            <$t>::MAX as _,
56                        );
57                    });
58                    type_id
59                }
60            }
61
62            fn signature() -> char {
63                'i'
64            }
65
66            fn from_generic_wire_type(v: GenericWireType) -> Self {
67                v.0 as _
68            }
69        }
70    };
71}
72
73macro_rules! register_rust_float {
74    ($t:ty, $name:expr) => {
75        impl JsType for $t {
76            fn id() -> crate::TYPEID {
77                static INIT: Once = Once::new();
78                let type_id = get_type_id::<$t>();
79
80                unsafe {
81                    INIT.call_once(|| {
82                        let name_cstr = CString::new($name).unwrap();
83                        _embind_register_float(
84                            type_id,
85                            name_cstr.as_ptr(),
86                            std::mem::size_of::<$t>()
87                        );
88                    });
89                    type_id
90                }
91            }
92
93            fn signature() -> char {
94                'd'
95            }
96
97            fn from_generic_wire_type(v: GenericWireType) -> Self {
98                v.0 as _
99            }
100        }
101    };
102}
103
104register_rust_int!(u8, "rust_u8");
105register_rust_int!(u16, "rust_u16");
106register_rust_int!(u32, "rust_u32");
107register_rust_int!(i8, "rust_i8");
108register_rust_int!(i16, "rust_i16");
109register_rust_int!(i32, "rust_i32");
110register_rust_int!(usize, "rust_usize");
111register_rust_int!(isize, "rust_isize");
112register_rust_float!(f32, "rust_f32");
113register_rust_float!(f64, "rust_f64");
emscripten_val/id.rs

emscripten_val/
id.rs
