test(no_crate_inject, attr(deny(warnings))),
test(attr(allow(dead_code, deprecated, unused_variables, unused_mut))))]
+// Don't link to std. We are std.
+#![no_std]
+
+#![deny(missing_docs)]
+
+// Tell the compiler to link to either panic_abort or panic_unwind
#![needs_panic_runtime]
+// Always use alloc_system during stage0 since jemalloc might be unavailable or
+// disabled (Issue #30592)
+#![cfg_attr(stage0, feature(alloc_system))]
+
+// Turn warnings into errors, but only after stage0, where it can be useful for
+// code to emit warnings during language transitions
+#![cfg_attr(not(stage0), deny(warnings))]
+
+// std may use features in a platform-specific way
+#![allow(unused_features)]
+
+// std is implemented with unstable features, many of which are internal
+// compiler details that will never be stable
#![feature(alloc)]
#![feature(allow_internal_unstable)]
#![feature(asm)]
#![feature(associated_consts)]
#![feature(borrow_state)]
#![feature(box_syntax)]
+#![feature(cfg_target_has_atomic)]
#![feature(cfg_target_thread_local)]
#![feature(cfg_target_vendor)]
#![feature(char_escape_debug)]
#![feature(char_internals)]
#![feature(collections)]
#![feature(collections_bound)]
+#![feature(collections_range)]
#![feature(compiler_builtins_lib)]
#![feature(const_fn)]
#![feature(core_float)]
#![feature(core_intrinsics)]
-#![feature(dotdot_in_tuple_patterns)]
+#![cfg_attr(stage0, feature(dotdot_in_tuple_patterns))]
#![feature(dropck_parametricity)]
#![feature(float_extras)]
#![feature(float_from_str_radix)]
#![feature(heap_api)]
#![feature(inclusive_range)]
#![feature(int_error_internals)]
+#![feature(integer_atomics)]
#![feature(into_cow)]
#![feature(lang_items)]
#![feature(libc)]
#![feature(link_args)]
#![feature(linkage)]
#![feature(macro_reexport)]
-#![cfg_attr(test, feature(map_values_mut))]
#![feature(needs_panic_runtime)]
#![feature(num_bits_bytes)]
#![feature(old_wrapping)]
#![feature(unboxed_closures)]
#![feature(unicode)]
#![feature(unique)]
-#![cfg_attr(stage0, feature(unsafe_no_drop_flag))]
#![feature(unwind_attributes)]
#![feature(vec_push_all)]
#![feature(zero_one)]
#![cfg_attr(test, feature(update_panic_count))]
-// Issue# 30592: Systematically use alloc_system during stage0 since jemalloc
-// might be unavailable or disabled
-#![cfg_attr(stage0, feature(alloc_system))]
-
-// Don't link to std. We are std.
-#![no_std]
-
-#![deny(missing_docs)]
-#![allow(unused_features)] // std may use features in a platform-specific way
-#![cfg_attr(not(stage0), deny(warnings))]
-
+// Explicitly import the prelude. The compiler uses this same unstable attribute
+// to import the prelude implicitly when building crates that depend on std.
#[prelude_import]
#[allow(unused)]
use prelude::v1::*;
+// Access to Bencher, etc.
#[cfg(test)] extern crate test;
// We want to reexport a few macros from core but libcore has already been
// compiler-rt intrinsics
extern crate compiler_builtins;
-// Make std testable by not duplicating lang items and other globals. See #2912
+// During testing, this crate is not actually the "real" std library, but rather
+// it links to the real std library, which was compiled from this same source
+// code. So any lang items std defines are conditionally excluded (or else they
+// wolud generate duplicate lang item errors), and any globals it defines are
+// _not_ the globals used by "real" std. So this import, defined only during
+// testing gives test-std access to real-std lang items and globals. See #2912
#[cfg(test)] extern crate std as realstd;
-// NB: These reexports are in the order they should be listed in rustdoc
+// The standard macros that are not built-in to the compiler.
+#[macro_use]
+mod macros;
+
+// The Rust prelude
+pub mod prelude;
+// Public module declarations and reexports
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::any;
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::result;
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::option;
-
-pub mod error;
-
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use alloc::boxed;
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use alloc::rc;
-
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use core_collections::borrow;
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use core_collections::fmt;
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use core_collections::slice;
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use core_collections::str;
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use core_collections::string;
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use core_collections::vec;
-
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use rustc_unicode::char;
-
-/* Exported macros */
-
-#[macro_use]
-mod macros;
-
-mod rtdeps;
-
-/* The Prelude. */
-
-pub mod prelude;
-
-
-/* Primitive types */
-
-// NB: slice and str are primitive types too, but their module docs + primitive
-// doc pages are inlined from the public re-exports of core_collections::{slice,
-// str} above.
-
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::isize;
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::i32;
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::i64;
-
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::usize;
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::u32;
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::u64;
+#[stable(feature = "rust1", since = "1.0.0")]
+pub use alloc::boxed;
+#[stable(feature = "rust1", since = "1.0.0")]
+pub use alloc::rc;
+#[stable(feature = "rust1", since = "1.0.0")]
+pub use core_collections::borrow;
+#[stable(feature = "rust1", since = "1.0.0")]
+pub use core_collections::fmt;
+#[stable(feature = "rust1", since = "1.0.0")]
+pub use core_collections::slice;
+#[stable(feature = "rust1", since = "1.0.0")]
+pub use core_collections::str;
+#[stable(feature = "rust1", since = "1.0.0")]
+pub use core_collections::string;
+#[stable(feature = "rust1", since = "1.0.0")]
+pub use core_collections::vec;
+#[stable(feature = "rust1", since = "1.0.0")]
+pub use rustc_unicode::char;
-#[path = "num/f32.rs"] pub mod f32;
-#[path = "num/f64.rs"] pub mod f64;
-
-pub mod ascii;
-
-/* Common traits */
-
-pub mod num;
-
-/* Runtime and platform support */
+pub mod f32;
+pub mod f64;
#[macro_use]
pub mod thread;
-
+pub mod ascii;
pub mod collections;
pub mod env;
+pub mod error;
pub mod ffi;
pub mod fs;
pub mod io;
pub mod net;
+pub mod num;
pub mod os;
pub mod panic;
pub mod path;
pub mod process;
pub mod sync;
pub mod time;
-mod memchr;
+// Platform-abstraction modules
#[macro_use]
-#[path = "sys/common/mod.rs"] mod sys_common;
-
-#[cfg(unix)]
-#[path = "sys/unix/mod.rs"] mod sys;
-#[cfg(windows)]
-#[path = "sys/windows/mod.rs"] mod sys;
+mod sys_common;
+mod sys;
-pub mod rt;
+// Private support modules
mod panicking;
mod rand;
+mod memchr;
+
+// This module just defines per-platform native library dependencies
+mod rtdeps;
+
+// The runtime entry point and a few unstable public functions used by the
+// compiler
+pub mod rt;
// Some external utilities of the standard library rely on randomness (aka
// rustc_back::TempDir and tests) and need a way to get at the OS rng we've got
projects / rustc.git / blobdiff