diff options
Diffstat (limited to 'tests/ui/parser/extern-abi-from-mac-literal-frag.rs')
-rw-r--r-- | tests/ui/parser/extern-abi-from-mac-literal-frag.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/ui/parser/extern-abi-from-mac-literal-frag.rs b/tests/ui/parser/extern-abi-from-mac-literal-frag.rs new file mode 100644 index 000000000..8f5d7f4f7 --- /dev/null +++ b/tests/ui/parser/extern-abi-from-mac-literal-frag.rs @@ -0,0 +1,47 @@ +#![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"); +} |