rust/tests/ui/parser/extern-abi-from-mac-literal-frag.rs

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#![allow(clashing_extern_declarations)]
//@ check-pass
// In this test we check that the parser accepts an ABI string when it
// comes from a macro `literal` or `expr` fragment as opposed to a hardcoded string.
fn main() {}
macro_rules! abi_from_lit_frag {
($abi:literal) => {
extern $abi {
fn _import();
}
extern $abi fn _export() {}
type _PTR = extern $abi fn();
}
}
macro_rules! abi_from_expr_frag {
($abi:expr) => {
extern $abi {
fn _import();
}
extern $abi fn _export() {}
type _PTR = extern $abi fn();
};
}
mod rust {
abi_from_lit_frag!("Rust");
}
mod c {
abi_from_lit_frag!("C");
}
mod rust_expr {
abi_from_expr_frag!("Rust");
}
mod c_expr {
abi_from_expr_frag!("C");
}