rust/src/lib/dbg.rs

/**
 * Unsafe debugging functions for inspecting values.
 *
 * Your RUST_LOG environment variable must contain "stdlib" for any debug
 * logging.
 */

// FIXME: handle 64-bit case.
const const_refcount: uint = 0x7bad_face_u;

native "rust" mod rustrt {
    fn debug_tydesc[T]();
    fn debug_opaque[T](x: &T);
    fn debug_box[T](x: @T);
    fn debug_tag[T](x: &T);
    fn debug_obj[T](x: &T, nmethods: uint, nbytes: uint);
    fn debug_fn[T](x: &T);
    fn debug_ptrcast[T, U](x: @T) -> @U;
    fn debug_trap(msg: str);
}

fn debug_vec[T](v: vec[T]) { vec::print_debug_info[T](v); }

fn debug_tydesc[T]() { rustrt::debug_tydesc[T](); }

fn debug_opaque[T](x: &T) { rustrt::debug_opaque[T](x); }

fn debug_box[T](x: @T) { rustrt::debug_box[T](x); }

fn debug_tag[T](x: &T) { rustrt::debug_tag[T](x); }


/**
 * `nmethods` is the number of methods we expect the object to have.  The
 * runtime will print this many words of the obj vtbl).
 *
 * `nbytes` is the number of bytes of body data we expect the object to have.
 * The runtime will print this many bytes of the obj body.  You probably want
 * this to at least be 4u, since an implicit captured tydesc pointer sits in
 * the front of any obj's data tuple.x
 */
fn debug_obj[T](x: &T, nmethods: uint, nbytes: uint) {
    rustrt::debug_obj[T](x, nmethods, nbytes);
}

fn debug_fn[T](x: &T) { rustrt::debug_fn[T](x); }

fn ptr_cast[T, U](x: @T) -> @U { ret rustrt::debug_ptrcast[T, U](x); }

fn trap(s: str) { rustrt::debug_trap(s); }
// Local Variables:
// mode: rust;
// fill-column: 78;
// indent-tabs-mode: nil
// c-basic-offset: 4
// buffer-file-coding-system: utf-8-unix
// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
// End: