blob: e150567dda54894a5aeb77fd7d506d0b7d7a467d [file] [log] [blame]
// Name mangling can cope with char-like byte literals.
#[repr(C)]
pub struct Parser<const OPEN: u8, const CLOSE: u8> {
pub buf: *mut u8,
pub len: usize,
}
#[no_mangle]
pub unsafe extern "C" fn init_parens_parser(p: *mut Parser<b'(', b')'>, buf: *mut u8, len: usize) {
unsafe {
*p = Parser { buf, len };
}
}
// The same type as above, because `b'(' == 40 && b')' == 41`. And it happens
// to mangle to the same C identifier. It doesn't always work out that way!
#[no_mangle]
pub unsafe extern "C" fn destroy_parens_parser(p: *mut Parser<40, 41>) {
// nothing to do
}
#[no_mangle]
pub unsafe extern "C" fn init_braces_parser(p: *mut Parser<b'{', b'}'>, buf: *mut u8, len: usize) {
unsafe {
*p = Parser { buf, len };
}
}