rust/src/test/run-pass/regions-mock-trans.rs

46 lines
669 B
Rust

import libc, sys, unsafe;
enum arena = ();
type bcx/& = {
fcx: &fcx
};
type fcx/& = {
arena: &arena,
ccx: &ccx
};
type ccx = {
x: int
};
fn alloc(_bcx : &a.arena) -> &a.bcx unsafe {
ret unsafe::reinterpret_cast(
libc::malloc(sys::size_of::<bcx/&blk>() as libc::size_t));
}
fn h(bcx : &a.bcx) -> &a.bcx {
ret alloc(bcx.fcx.arena);
}
fn g(fcx : &fcx) {
let bcx = { fcx: fcx };
let bcx2 = h(&bcx);
unsafe {
libc::free(unsafe::reinterpret_cast(bcx2));
}
}
fn f(ccx : &ccx) {
let a = arena(());
let fcx = { arena: &a, ccx: ccx };
ret g(&fcx);
}
fn main() {
let ccx = { x: 0 };
f(&ccx);
}