47 lines
665 B
Rust
47 lines
665 B
Rust
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import libc, sys, unsafe;
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enum arena = ();
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type bcx = {
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fcx: &fcx
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};
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type fcx = {
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arena: &arena,
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ccx: &ccx
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};
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type ccx = {
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x: int
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};
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impl arena for arena {
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fn alloc(sz: uint, _align: uint) -> *() unsafe {
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ret unsafe::reinterpret_cast(libc::malloc(sz));
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}
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}
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fn h(bcx : &bcx) -> &bcx {
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ret new(*bcx.fcx.arena) { fcx: fcx };
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}
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fn g(fcx : &fcx) {
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let bcx = { fcx: fcx };
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let bcx2 = h(&bcx);
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unsafe {
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libc::free(unsafe::reinterpret_cast(bcx2));
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}
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}
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fn f(ccx : &ccx) {
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let a = arena(());
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let fcx = { arena: &a, ccx: ccx };
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ret g(&fcx);
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}
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fn main() {
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let ccx = { x: 0 };
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f(&ccx);
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}
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