| #[forbid(deprecated_mode)]; |
| //! Unsafe debugging functions for inspecting values. |
| |
| use cast::reinterpret_cast; |
| |
| |
| #[abi = "cdecl"] |
| extern mod rustrt { |
| #[legacy_exports]; |
| fn debug_tydesc(td: *sys::TypeDesc); |
| fn debug_opaque(td: *sys::TypeDesc, x: *()); |
| fn debug_box(td: *sys::TypeDesc, x: *()); |
| fn debug_tag(td: *sys::TypeDesc, x: *()); |
| fn debug_fn(td: *sys::TypeDesc, x: *()); |
| fn debug_ptrcast(td: *sys::TypeDesc, x: *()) -> *(); |
| fn rust_dbg_breakpoint(); |
| } |
| |
| pub fn debug_tydesc<T>() { |
| rustrt::debug_tydesc(sys::get_type_desc::<T>()); |
| } |
| |
| pub fn debug_opaque<T>(x: T) { |
| rustrt::debug_opaque(sys::get_type_desc::<T>(), ptr::addr_of(&x) as *()); |
| } |
| |
| pub fn debug_box<T>(x: @T) { |
| rustrt::debug_box(sys::get_type_desc::<T>(), ptr::addr_of(&x) as *()); |
| } |
| |
| pub fn debug_tag<T>(x: T) { |
| rustrt::debug_tag(sys::get_type_desc::<T>(), ptr::addr_of(&x) as *()); |
| } |
| |
| pub fn debug_fn<T>(x: T) { |
| rustrt::debug_fn(sys::get_type_desc::<T>(), ptr::addr_of(&x) as *()); |
| } |
| |
| pub unsafe fn ptr_cast<T, U>(x: @T) -> @U { |
| reinterpret_cast( |
| &rustrt::debug_ptrcast(sys::get_type_desc::<T>(), |
| reinterpret_cast(&x))) |
| } |
| |
| /// Triggers a debugger breakpoint |
| pub fn breakpoint() { |
| rustrt::rust_dbg_breakpoint(); |
| } |
| |
| #[test] |
| fn test_breakpoint_should_not_abort_process_when_not_under_gdb() { |
| // Triggering a breakpoint involves raising SIGTRAP, which terminates |
| // the process under normal circumstances |
| breakpoint(); |
| } |
| |
| // Local Variables: |
| // mode: rust; |
| // fill-column: 78; |
| // indent-tabs-mode: nil |
| // c-basic-offset: 4 |
| // buffer-file-coding-system: utf-8-unix |
| // End: |
