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/**
* Unsafe debugging functions for inspecting values.
*
* Your RUST_LOG environment variable must contain "stdlib" for any debug
* logging.
*/
#[abi = "cdecl"]
native mod rustrt {
fn debug_tydesc(td: *sys::type_desc);
fn debug_opaque<T>(td: *sys::type_desc, x: T);
fn debug_box<T>(td: *sys::type_desc, x: @T);
fn debug_tag<T>(td: *sys::type_desc, x: T);
fn debug_obj<T>(td: *sys::type_desc, x: T, nmethods: uint, nbytes: uint);
fn debug_fn<T>(td: *sys::type_desc, x: T);
fn debug_ptrcast<T, U>(td: *sys::type_desc, x: @T) -> @U;
}
fn debug_tydesc<T>() {
rustrt::debug_tydesc(sys::get_type_desc::<T>());
}
fn debug_opaque<T>(x: T) {
rustrt::debug_opaque::<T>(sys::get_type_desc::<T>(), x);
}
fn debug_box<T>(x: @T) {
rustrt::debug_box::<T>(sys::get_type_desc::<T>(), x);
}
fn debug_tag<T>(x: T) {
rustrt::debug_tag::<T>(sys::get_type_desc::<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>(sys::get_type_desc::<T>(), x, nmethods, nbytes);
}
fn debug_fn<T>(x: T) {
rustrt::debug_fn::<T>(sys::get_type_desc::<T>(), x);
}
unsafe fn ptr_cast<T, U>(x: @T) -> @U {
ret rustrt::debug_ptrcast::<T, U>(sys::get_type_desc::<T>(), x);
}
fn refcount<T>(a: @T) -> uint unsafe {
let p: *uint = unsafe::reinterpret_cast(a);
ret *p;
}
// Local Variables:
// mode: rust;
// fill-column: 78;
// indent-tabs-mode: nil
// c-basic-offset: 4
// buffer-file-coding-system: utf-8-unix
// End:
|
