2db4259b35
Also, some other changes that came up along the way: - add a 'blk' region for the current block. - detect unused type/region variables.
45 lines
644 B
Rust
45 lines
644 B
Rust
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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fn alloc(_bcx : &a.arena) -> &a.bcx unsafe {
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ret unsafe::reinterpret_cast(libc::malloc(sys::size_of::<bcx/&blk>()));
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}
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fn h(bcx : &a.bcx) -> &a.bcx {
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ret alloc(bcx.fcx.arena);
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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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