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#![crate_type = "cdylib"]
#![deny(warnings)]
#![feature(wasm_abi)]
#[repr(C)]
#[derive(PartialEq, Debug)]
pub struct TwoI32 {
pub a: i32,
pub b: i32,
}
#[no_mangle]
pub extern "wasm" fn return_two_i32() -> TwoI32 {
TwoI32 { a: 1, b: 2 }
}
#[repr(C)]
#[derive(PartialEq, Debug)]
pub struct TwoI64 {
pub a: i64,
pub b: i64,
}
#[no_mangle]
pub extern "wasm" fn return_two_i64() -> TwoI64 {
TwoI64 { a: 3, b: 4 }
}
#[repr(C)]
#[derive(PartialEq, Debug)]
pub struct TwoF32 {
pub a: f32,
pub b: f32,
}
#[no_mangle]
pub extern "wasm" fn return_two_f32() -> TwoF32 {
TwoF32 { a: 5., b: 6. }
}
#[repr(C)]
#[derive(PartialEq, Debug)]
pub struct TwoF64 {
pub a: f64,
pub b: f64,
}
#[no_mangle]
pub extern "wasm" fn return_two_f64() -> TwoF64 {
TwoF64 { a: 7., b: 8. }
}
#[repr(C)]
#[derive(PartialEq, Debug)]
pub struct Mishmash {
pub a: f64,
pub b: f32,
pub c: i32,
pub d: i64,
pub e: TwoI32,
}
#[no_mangle]
pub extern "wasm" fn return_mishmash() -> Mishmash {
Mishmash { a: 9., b: 10., c: 11, d: 12, e: TwoI32 { a: 13, b: 14 } }
}
#[link(wasm_import_module = "host")]
extern "wasm" {
fn two_i32() -> TwoI32;
fn two_i64() -> TwoI64;
fn two_f32() -> TwoF32;
fn two_f64() -> TwoF64;
fn mishmash() -> Mishmash;
}
#[no_mangle]
pub unsafe extern "C" fn call_imports() {
assert_eq!(two_i32(), TwoI32 { a: 100, b: 101 });
assert_eq!(two_i64(), TwoI64 { a: 102, b: 103 });
assert_eq!(two_f32(), TwoF32 { a: 104., b: 105. });
assert_eq!(two_f64(), TwoF64 { a: 106., b: 107. });
assert_eq!(
mishmash(),
Mishmash { a: 108., b: 109., c: 110, d: 111, e: TwoI32 { a: 112, b: 113 } }
);
}
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