#![feature(
no_core, lang_items, intrinsics, unboxed_closures, type_ascription, extern_types,
- untagged_unions, decl_macro, rustc_attrs
+ untagged_unions, decl_macro, rustc_attrs, transparent_unions, auto_traits,
+ thread_local,
)]
#![no_core]
#![allow(dead_code)]
unsafe impl Copy for u16 {}
unsafe impl Copy for u32 {}
unsafe impl Copy for u64 {}
+unsafe impl Copy for u128 {}
unsafe impl Copy for usize {}
unsafe impl Copy for i8 {}
unsafe impl Copy for i16 {}
unsafe impl Copy for i32 {}
unsafe impl Copy for isize {}
+unsafe impl Copy for f32 {}
unsafe impl Copy for char {}
unsafe impl<'a, T: ?Sized> Copy for &'a T {}
unsafe impl<T: ?Sized> Copy for *const T {}
unsafe impl<T: ?Sized> Copy for *mut T {}
+unsafe impl<T: Copy> Copy for Option<T> {}
#[lang = "sync"]
pub unsafe trait Sync {}
unsafe impl Sync for [u8; 16] {}
#[lang = "freeze"]
-trait Freeze {}
+unsafe auto trait Freeze {}
+
+unsafe impl<T: ?Sized> Freeze for PhantomData<T> {}
+unsafe impl<T: ?Sized> Freeze for *const T {}
+unsafe impl<T: ?Sized> Freeze for *mut T {}
+unsafe impl<T: ?Sized> Freeze for &T {}
+unsafe impl<T: ?Sized> Freeze for &mut T {}
+
+#[lang = "structural_peq"]
+pub trait StructuralPartialEq {}
+
+#[lang = "structural_teq"]
+pub trait StructuralEq {}
#[lang = "not"]
pub trait Not {
}
}
+impl PartialEq for u128 {
+ fn eq(&self, other: &u128) -> bool {
+ (*self) == (*other)
+ }
+ fn ne(&self, other: &u128) -> bool {
+ (*self) != (*other)
+ }
+}
+
impl PartialEq for usize {
fn eq(&self, other: &usize) -> bool {
(*self) == (*other)
}
}
+impl PartialEq for i8 {
+ fn eq(&self, other: &i8) -> bool {
+ (*self) == (*other)
+ }
+ fn ne(&self, other: &i8) -> bool {
+ (*self) != (*other)
+ }
+}
+
impl PartialEq for i32 {
fn eq(&self, other: &i32) -> bool {
(*self) == (*other)
}
}
+impl <T: PartialEq> PartialEq for Option<T> {
+ fn eq(&self, other: &Self) -> bool {
+ match (self, other) {
+ (Some(lhs), Some(rhs)) => *lhs == *rhs,
+ (None, None) => true,
+ _ => false,
+ }
+ }
+
+ fn ne(&self, other: &Self) -> bool {
+ match (self, other) {
+ (Some(lhs), Some(rhs)) => *lhs != *rhs,
+ (None, None) => false,
+ _ => true,
+ }
+ }
+}
+
+#[lang = "shl"]
+pub trait Shl<RHS = Self> {
+ type Output;
+
+ #[must_use]
+ fn shl(self, rhs: RHS) -> Self::Output;
+}
+
+impl Shl for u128 {
+ type Output = u128;
+
+ fn shl(self, rhs: u128) -> u128 {
+ self << rhs
+ }
+}
+
#[lang = "neg"]
pub trait Neg {
type Output;
}
}
+impl Neg for f32 {
+ type Output = f32;
+
+ fn neg(self) -> f32 {
+ -self
+ }
+}
+
pub enum Option<T> {
Some(T),
None,
#[lang = "fn_once"]
#[rustc_paren_sugar]
pub trait FnOnce<Args> {
+ #[lang = "fn_once_output"]
type Output;
extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
}
#[lang = "panic"]
-// Make it available to jited mini_core_hello_world
-// FIXME remove next line when jit supports linking rlibs
-#[inline(always)]
-pub fn panic(&(_msg, _file, _line, _col): &(&'static str, &'static str, u32, u32)) -> ! {
+#[track_caller]
+pub fn panic(_msg: &str) -> ! {
+ unsafe {
+ libc::puts("Panicking\n\0" as *const str as *const i8);
+ intrinsics::abort();
+ }
+}
+
+#[lang = "panic_bounds_check"]
+#[track_caller]
+fn panic_bounds_check(index: usize, len: usize) -> ! {
unsafe {
- libc::puts("Panicking\0" as *const str as *const u8);
+ libc::printf("index out of bounds: the len is %d but the index is %d\n\0" as *const str as *const i8, len, index);
intrinsics::abort();
}
}
}
#[lang = "exchange_malloc"]
-// Make it available to jited mini_core_hello_world
-// FIXME remove next line when jit supports linking rlibs
-#[inline(always)]
unsafe fn allocate(size: usize, _align: usize) -> *mut u8 {
libc::malloc(size)
}
#[lang = "box_free"]
-#[inline(always)]
unsafe fn box_free<T: ?Sized>(ptr: *mut T) {
libc::free(ptr as *mut u8);
}
fn drop(&mut self);
}
+#[lang = "manually_drop"]
+#[repr(transparent)]
+pub struct ManuallyDrop<T: ?Sized> {
+ pub value: T,
+}
+
+#[lang = "maybe_uninit"]
+#[repr(transparent)]
pub union MaybeUninit<T> {
pub uninit: (),
- pub value: T,
+ pub value: ManuallyDrop<T>,
}
pub mod intrinsics {
extern "rust-intrinsic" {
pub fn abort() -> !;
pub fn size_of<T>() -> usize;
- pub fn size_of_val<T: ?::Sized>(val: &T) -> usize;
+ pub fn size_of_val<T: ?::Sized>(val: *const T) -> usize;
pub fn min_align_of<T>() -> usize;
- pub fn min_align_of_val<T: ?::Sized>(val: &T) -> usize;
+ pub fn min_align_of_val<T: ?::Sized>(val: *const T) -> usize;
pub fn copy<T>(src: *const T, dst: *mut T, count: usize);
pub fn transmute<T, U>(e: T) -> U;
- pub fn init<T>() -> T;
pub fn ctlz_nonzero<T>(x: T) -> T;
pub fn needs_drop<T>() -> bool;
pub fn bitreverse<T>(x: T) -> T;
pub fn bswap<T>(x: T) -> T;
+ pub fn write_bytes<T>(dst: *mut T, val: u8, count: usize);
}
}
pub mod libc {
- #[link(name = "c")]
+ #[cfg_attr(unix, link(name = "c"))]
+ #[cfg_attr(target_env = "msvc", link(name = "msvcrt"))]
extern "C" {
- pub fn puts(s: *const u8);
+ pub fn puts(s: *const i8) -> i32;
pub fn printf(format: *const i8, ...) -> i32;
pub fn malloc(size: usize) -> *mut u8;
pub fn free(ptr: *mut u8);
#[rustc_builtin_macro]
#[rustc_macro_transparency = "semitransparent"]
pub macro line() { /* compiler built-in */ }
+
+#[rustc_builtin_macro]
+#[rustc_macro_transparency = "semitransparent"]
+pub macro cfg() { /* compiler built-in */ }
+
+#[rustc_builtin_macro]
+#[rustc_macro_transparency = "semitransparent"]
+pub macro global_asm() { /* compiler built-in */ }
+
+pub static A_STATIC: u8 = 42;
+
+#[lang = "panic_location"]
+struct PanicLocation {
+ file: &'static str,
+ line: u32,
+ column: u32,
+}
+
+#[no_mangle]
+#[cfg(not(windows))]
+pub fn get_tls() -> u8 {
+ #[thread_local]
+ static A: u8 = 42;
+
+ A
+}
projects / rust.git / blobdiff