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This adds bindings to the remaining functions provided by libuv, all of which
are useful operations on files which need to get exposed somehow.
Some highlights:
* Dropped `FileReader` and `FileWriter` and `FileStream` for one `File` type
* Moved all file-related methods to be static methods under `File`
* All directory related methods are still top-level functions
* Created `io::FilePermission` types (backed by u32) that are what you'd expect
* Created `io::FileType` and refactored `FileStat` to use FileType and
FilePermission
* Removed the expanding matrix of `FileMode` operations. The mode of reading a
file will not have the O_CREAT flag, but a write mode will always have the
O_CREAT flag.
Closes #10130
Closes #10131
Closes #10121
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This commit moves all thread-blocking I/O functions from the std::os module.
Their replacements can be found in either std::rt::io::file or in a hidden
"old_os" module inside of native::file. I didn't want to outright delete these
functions because they have a lot of special casing learned over time for each
OS/platform, and I imagine that these will someday get integrated into a
blocking implementation of IoFactory. For now, they're moved to a private module
to prevent bitrot and still have tests to ensure that they work.
I've also expanded the extensions to a few more methods defined on Path, most of
which were previously defined in std::os but now have non-thread-blocking
implementations as part of using the current IoFactory.
The api of io::file is in flux, but I plan on changing it in the next commit as
well.
Closes #10057
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New standards have arisen in recent months, mostly for the use of
rustpkg, but the main Rust codebase has not been altered to match these
new specifications. This changeset rectifies most of these issues.
- Renamed the crate source files `src/libX/X.rs` to `lib.rs`, for
consistency with current styles; this affects extra, rustc, rustdoc,
rustpkg, rustuv, std, syntax.
- Renamed `X/X.rs` to `X/mod.rs,` as is now recommended style, for
`std::num` and `std::terminfo`.
- Shifted `src/libstd/str/ascii.rs` out of the otherwise unused `str`
directory, to be consistent with its import path of `std::ascii`;
libstd is flat at present so it's more appropriate thus.
While this removes some `#[path = "..."]` directives, it does not remove
all of them, and leaves certain other inconsistencies, such as `std::u8`
et al. which are actually stored in `src/libstd/num/` (one subdirectory
down). No quorum has been reached on this issue, so I felt it best to
leave them all alone at present. #9208 deals with the possibility of
making libstd more hierarchical (such as changing the crate to match the
current filesystem structure, which would make the module path
`std::num::u8`).
There is one thing remaining in which this repository is not
rustpkg-compliant: rustpkg would have `src/std/` et al. rather than
`src/libstd/` et al. I have not endeavoured to change that at this point
as it would guarantee prompt bitrot and confusion. A change of that
magnitude needs to be discussed first.
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r? @alexcrichton
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This extension can be used to concatenate string literals at compile time. C has
this useful ability when placing string literals lexically next to one another,
but this needs to be handled at the syntax extension level to recursively expand
macros.
The major use case for this is something like:
macro_rules! mylog( ($fmt:expr $($arg:tt)*) => {
error2!(concat!(file!(), ":", line!(), " - ", $fmt) $($arg)*);
})
Where the mylog macro will automatically prepend the filename/line number to the
beginning of every log message.
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work
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This doesn't fix #623 but works around it by limiting the grammar.
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- `begin_unwind` and `fail!` is now generic over any `T: Any + Send`.
- Every value you fail with gets boxed as an `~Any`.
- Because of implementation issues, `&'static str` and `~str` are still
handled specially behind the scenes.
- Changed the big macro source string in libsyntax to a raw string
literal, and enabled doc comments there.
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- `begin_unwind` is now generic over any `T: Any + Send`.
- Every value you fail with gets boxed as an `~Any`.
- Because of implementation details, `&'static str` and `~str` are still
handled specially behind the scenes.
- Changed the big macro source string in libsyntax to a raw string
literal, and enabled doc comments there.
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Allows an enum with a discriminant to use any of the primitive integer types to store it. By default the smallest usable type is chosen, but this can be overridden with an attribute: `#[repr(int)]` etc., or `#[repr(C)]` to match the target's C ABI for the equivalent C enum.
Also adds a lint pass for using non-FFI safe enums in extern declarations, checks that specified discriminants can be stored in the specified type if any, and fixes assorted code that was assuming int.
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notation for closures, and disable the feature gate for `once fn` if
used with the `~` sigil.
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Also export enum attrs into metadata, and add a convenient interface for
obtaining the repr hint from either a local or remote definition.
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closes #7427
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Used nowhere, and these are likely incorrect anyway: self needs to be
dereferenced once more otherwise the method calls will be reusing the
current impl... bam! Infinite recursion.
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These methods are all excellent candidates for default methods, so there's no
need to require extra imports of various traits.
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Also, move some code only uses in the tests into the test module, and
replace some needless @mut ~[] with plain ~[].
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The general idea is to remove conditions completely from I/O, so in the meantime
remove the read_error condition to mean the same thing as the io_error condition.
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Big fish fried here:
extra::json
most of the compiler
extra::io_util removed
extra::fileinput removed
Fish left to fry
extra::ebml
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Drop the `2` suffix on all of them, updating all code in the process of doing so. This is a completely automated change, and it's dependent on the snapshots going through.
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r? @alexcrichton And also reference the bug report HOWTO in CONTRIBUTING.md
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Who doesn't like a massive renaming?
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This should close #9468.
I removed the test stating that nested comments should not be implemented.
I had a little chicken-and-egg problem because a comment of the std contains "/*", and adding support for nested comment creates a backward incompatibility in that case, so I had to use a dirty hack to get stage1 and stage2 to compile. This part should be revert when this commit lands in a snapshot.
This is my first non-typo contribution, so I'm open to any comment.
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Fixes #9468.
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And also reference the bug report HOWTO in CONTRIBUTING.md
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Fixes #9882
Note that the actual checking code is inside a if false in order to compile libstd properly.
libstd uses asm! in rt. If we put ```#[feature(asm)]``` in libstd, it fails to build at stage0 beacause the
asm feature is not known yet by the snapshot compiler.
We must wait that this PR arrives into the snapshot in order to actually activate the checking code.
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Instead use format_args! to pass around a struct to pass along into std::fmt
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It lived a good life, but its time has come. The groundwork is set for the
official transition after the next snapshot (removal of XXX2 macros)
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