rust/src/rt/rust_cxx_glue.cpp
Alex Crichton 508b7b996e Move runtime files to C instead of C++
Explicitly have the only C++ portion of the runtime be one file with exception
handling. All other runtime files must now live in C and be fully defined in C.
2013-11-18 21:45:58 -08:00

31 lines
871 B
C++

// 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;
}