src/rt/rust_cxx_glue.cpp


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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

/* Foreign builtins which require C++ */

#include "rust_globals.h"

typedef void *(rust_try_fn)(void*, void*);

extern "C" CDECL uintptr_t
rust_try(rust_try_fn f, void *fptr, void *env) {
    try {
        f(fptr, env);
    } catch (uintptr_t token) {
        assert(token != 0);
        return token;
    }
    return 0;
}

extern "C" CDECL void
rust_begin_unwind(uintptr_t token) {
    throw token;
}