33 lines
814 B
Rust
33 lines
814 B
Rust
// ignore-wasm32
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#![feature(decl_macro)]
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macro_rules! returns_isize(
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($ident:ident) => (
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fn $ident() -> isize;
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)
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);
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macro takes_u32_returns_u32($ident:ident) {
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fn $ident (arg: u32) -> u32;
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}
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macro_rules! emits_nothing(
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() => ()
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);
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fn main() {
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assert_eq!(unsafe { rust_get_test_int() }, 0isize);
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assert_eq!(unsafe { rust_dbg_extern_identity_u32(0xDEADBEEF) }, 0xDEADBEEFu32);
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}
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#[link(name = "rust_test_helpers", kind = "static")]
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extern {
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returns_isize!(rust_get_test_int);
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//~^ ERROR macro invocations in `extern {}` blocks are experimental
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takes_u32_returns_u32!(rust_dbg_extern_identity_u32);
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//~^ ERROR macro invocations in `extern {}` blocks are experimental
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emits_nothing!();
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//~^ ERROR macro invocations in `extern {}` blocks are experimental
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}
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