Alex Crichton [Wed, 11 Mar 2015 21:16:46 +0000 (14:16 -0700)]
std: Stabilize the `io` module
The new `std::io` module has had some time to bake now, and this commit
stabilizes its functionality. There are still portions of the module which
remain unstable, and below contains a summart of the actions taken.
This commit also deprecates the entire contents of the `old_io` module in a
blanket fashion. All APIs should now have a reasonable replacement in the
new I/O modules.
Stable APIs:
* `std::io` (the name)
* `std::io::prelude` (the name)
* `Read`
* `Read::read`
* `Read::{read_to_end, read_to_string}` after being modified to return a `usize`
for the number of bytes read.
* `Write`
* `Write::write`
* `Write::{write_all, write_fmt}`
* `BufRead`
* `BufRead::{fill_buf, consume}`
* `BufRead::{read_line, read_until}` after being modified to return a `usize`
for the number of bytes read.
* `BufReader`
* `BufReader::{new, with_capacity}`
* `BufReader::{get_ref, get_mut, into_inner}`
* `{Read,BufRead} for BufReader`
* `BufWriter`
* `BufWriter::{new, with_capacity}`
* `BufWriter::{get_ref, get_mut, into_inner}`
* `Write for BufWriter`
* `IntoInnerError`
* `IntoInnerError::{error, into_inner}`
* `{Error,Display} for IntoInnerError`
* `LineWriter`
* `LineWriter::{new, with_capacity}` - `with_capacity` was added
* `LineWriter::{get_ref, get_mut, into_inner}` - `get_mut` was added)
* `Write for LineWriter`
* `BufStream`
* `BufStream::{new, with_capacities}`
* `BufStream::{get_ref, get_mut, into_inner}`
* `{BufRead,Read,Write} for BufStream`
* `stdin`
* `Stdin`
* `Stdin::lock`
* `Stdin::read_line` - added method
* `StdinLock`
* `Read for Stdin`
* `{Read,BufRead} for StdinLock`
* `stdout`
* `Stdout`
* `Stdout::lock`
* `StdoutLock`
* `Write for Stdout`
* `Write for StdoutLock`
* `stderr`
* `Stderr`
* `Stderr::lock`
* `StderrLock`
* `Write for Stderr`
* `Write for StderrLock`
* `io::Result`
* `io::Error`
* `io::Error::last_os_error`
* `{Display, Error} for Error`
* `Error::description` - available via the `Error` trait
* `Error::detail` - available via the `Display` implementation
* `thread::Builder::{stdout, stderr}`
Changes in functionality:
* `old_io::stdio::set_stderr` is now a noop as the infrastructure for printing
backtraces has migrated to `std::io`.
* The `ReadExt`, `WriteExt`, and `BufReadExt` extension traits were all removed
by folding functionality into the corresponding trait.
bors [Fri, 13 Mar 2015 01:00:02 +0000 (01:00 +0000)]
Auto merge of #23229 - aturon:stab-path, r=alexcrichton
This commit stabilizes essentially all of the new `std::path` API. The
API itself is changed in a couple of ways (which brings it in closer
alignment with the RFC):
* `.` components are now normalized away, unless they appear at the
start of a path. This in turn effects the semantics of e.g. asking for
the file name of `foo/` or `foo/.`, both of which yield `Some("foo")`
now. This semantics is what the original RFC specified, and is also
desirable given early experience rolling out the new API.
* The `parent` method is now `without_file` and succeeds if, and only
if, `file_name` is `Some(_)`. That means, in particular, that it fails
for a path like `foo/../`. This change affects `pop` as well.
In addition, the `old_path` module is now deprecated.
Aaron Turon [Mon, 9 Mar 2015 15:49:10 +0000 (08:49 -0700)]
Stabilize std::path
This commit stabilizes essentially all of the new `std::path` API. The
API itself is changed in a couple of ways (which brings it in closer
alignment with the RFC):
* `.` components are now normalized away, unless they appear at the
start of a path. This in turn effects the semantics of e.g. asking for
the file name of `foo/` or `foo/.`, both of which yield `Some("foo")`
now. This semantics is what the original RFC specified, and is also
desirable given early experience rolling out the new API.
* The `parent` function now succeeds if, and only if, the path has at
least one non-root/prefix component. This change affects `pop` as
well.
* The `Prefix` component now involves a separate `PrefixComponent`
struct, to better allow for keeping both parsed and unparsed prefix data.
In addition, the `old_path` module is now deprecated.
bors [Thu, 12 Mar 2015 20:13:23 +0000 (20:13 +0000)]
Auto merge of #23265 - eddyb:meth-ast-refactor, r=nikomatsakis
The end result is that common fields (id, name, attributes, etc.) are stored in now-structures `ImplItem` and `TraitItem`.
The signature of a method is no longer duplicated between methods with a body (default/impl) and those without, they now share `MethodSig`.
This is also a [breaking-change] because of minor bugfixes and changes to syntax extensions:
* `pub fn` methods in a trait no longer parse - remove the `pub`, it has no meaning anymore
* `MacResult::make_methods` is now `make_impl_items` and the return type has changed accordingly
* `quote_method` is gone, because `P<ast::Method>` doesn't exist and it couldn't represent a full method anyways - could be replaced by `quote_impl_item`/`quote_trait_item` in the future, but I do hope we realize how silly that combinatorial macro expansion is and settle on a single `quote` macro + some type hints - or just no types at all (only token-trees)
r? @nikomatsakis This is necessary (hopefully also sufficient) for associated constants.
bors [Thu, 12 Mar 2015 07:30:44 +0000 (07:30 +0000)]
Auto merge of #23162 - sfackler:debug-builders, r=alexcrichton
I've made some minor changes from the implementation attached to the RFC to try to minimize codegen. The methods now take `&Debug` trait objects rather than being parameterized and there are inlined stub methods that call to non-inlined methods to do the work.
Rollup merge of #23274 - rprichard:fix-21715, r=pnkfelix
* Consumers of handle_options assume the unstable options are defined in
the getopts::Matches value if -Z unstable-options is set, but that's not
the case if there weren't any actual unstable options. Fix this by
always reparsing options when -Z unstable-options is set.
* If both argument parsing attempts fail, print the error from the second
attempt rather than the first. The error from the first is very poor
whenever unstable options are present. e.g.:
Rollup merge of #23263 - alexcrichton:stabilize-from-raw-parts, r=brson
These new APIs have had some time to bake now, and no pressing issues have come
up so they should be ok for stabilizing. Specifically, these two APIs were
stabilized:
Rollup merge of #23255 - dhuseby:master, r=alexcrichton
it turns out that jemalloc doesn't behave well on bitrig. with jemalloc enabled i get some kernel errors related to sbrk failures. with jemalloc disabled, the errors go away. i am investigating, but in the mean time, we should just disable jemalloc by default on bitrig.
Ryan Prichard [Wed, 11 Mar 2015 08:42:00 +0000 (01:42 -0700)]
Improve -Z unstable-options diagnostics and avoid an ICE
* Consumers of handle_options assume the unstable options are defined in
the getopts::Matches value if -Z unstable-options is set, but that's not
the case if there weren't any actual unstable options. Fix this by
always reparsing options when -Z unstable-options is set.
* If both argument parsing attempts fail, print the error from the second
attempt rather than the first. The error from the first is very poor
whenever unstable options are present. e.g.:
bors [Tue, 10 Mar 2015 22:45:10 +0000 (22:45 +0000)]
Auto merge of #23126 - alexcrichton:char-third-pass, r=aturon
This commit performs another pass over the `std::char` module for stabilization.
Some minor cleanup is performed such as migrating documentation from libcore to
libunicode (where the `std`-facing trait resides) as well as a slight
reorganiation in libunicode itself. Otherwise, the stability modifications made
are:
* `char::from_digit` is now stable
* `CharExt::is_digit` is now stable
* `CharExt::to_digit` is now stable
* `CharExt::to_{lower,upper}case` are now stable after being modified to return
an iterator over characters. While the implementation today has not changed
this should allow us to implement the full set of case conversions in unicode
where some characters can map to multiple when doing an upper or lower case
mapping.
* `StrExt::to_{lower,upper}case` was added as unstable for a convenience of not
having to worry about characters expanding to more characters when you just
want the whole string to get into upper or lower case.
This is a breaking change due to the change in the signatures of the
`CharExt::to_{upper,lower}case` methods. Code can be updated to use functions
like `flat_map` or `collect` to handle the difference.
Alex Crichton [Fri, 6 Mar 2015 02:23:57 +0000 (18:23 -0800)]
std: Stabilize more of the `char` module
This commit performs another pass over the `std::char` module for stabilization.
Some minor cleanup is performed such as migrating documentation from libcore to
libunicode (where the `std`-facing trait resides) as well as a slight
reorganiation in libunicode itself. Otherwise, the stability modifications made
are:
* `char::from_digit` is now stable
* `CharExt::is_digit` is now stable
* `CharExt::to_digit` is now stable
* `CharExt::to_{lower,upper}case` are now stable after being modified to return
an iterator over characters. While the implementation today has not changed
this should allow us to implement the full set of case conversions in unicode
where some characters can map to multiple when doing an upper or lower case
mapping.
* `StrExt::to_{lower,upper}case` was added as unstable for a convenience of not
having to worry about characters expanding to more characters when you just
want the whole string to get into upper or lower case.
This is a breaking change due to the change in the signatures of the
`CharExt::to_{upper,lower}case` methods. Code can be updated to use functions
like `flat_map` or `collect` to handle the difference.
Alex Crichton [Tue, 10 Mar 2015 20:45:08 +0000 (13:45 -0700)]
std: Stabilize slice::from_raw_parts
These new APIs have had some time to bake now, and no pressing issues have come
up so they should be ok for stabilizing. Specifically, these two APIs were
stabilized:
bors [Tue, 10 Mar 2015 17:20:43 +0000 (17:20 +0000)]
Auto merge of #23250 - liigo:plain-summary-line, r=alexcrichton
this feature was broken by mistake some days ago: @2b11a80
(line 2201: https://github.com/rust-lang/rust/commit/2b11a80#diff-05c3c8b7c08a25764218b8c18d8204b7L2201)
bors [Tue, 10 Mar 2015 14:50:40 +0000 (14:50 +0000)]
Auto merge of #23028 - Munksgaard:get_attrs_opt, r=eddyb
This is more flexible and less error-prone. `get_attrs` and
`get_attrs_opt` can be used on many more items than the old `get_attrs`
could.
This is all courtesy of @huonw, and directly taken from here:
https://github.com/rust-lang/rust/pull/22348/files#diff-0f85fcb07fb739876892e633fa0e2be6R5575
Also thanks to @Manishearth for pointing it out to me.
Also updates test for `plugin_registrar` to make it clear that
it is only testing the `plugin_registrar` feature gate.
Cc #22820. (Latter is not fixed, since there are still a bunch more feature-gates that need tests. But I wanted to stop here and move on to something else.)
Rollup merge of #23105 - alexcrichton:rand-wrapping, r=brson
There was a buildbot failure recently of an arithmetic overflow in the isaac
module of the rand crate, so I've imported the isaac implementation from
out-of-tree which makes somewhat more liberal usage of the wrapping primitives.
Hopefull this quelches any future overflow!
Steven Fackler [Sat, 7 Mar 2015 05:46:30 +0000 (21:46 -0800)]
Restructure debug builders to minimize codegen
Switching from generic bounds to trait objects and having un-inlined
inner methods should cut down on the size of Debug impls, since we care
about the speed of a Debug implementation way less than binary bloat.
bors [Tue, 10 Mar 2015 05:29:10 +0000 (05:29 +0000)]
Auto merge of #23105 - alexcrichton:rand-wrapping, r=brson
There was a buildbot failure recently of an arithmetic overflow in the isaac
module of the rand crate, so I've imported the isaac implementation from
out-of-tree which makes somewhat more liberal usage of the wrapping primitives.
Hopefull this quelches any future overflow!
Alex Crichton [Fri, 6 Mar 2015 06:16:54 +0000 (22:16 -0800)]
rand: Use wrapping operations everywhere
There was a buildbot failure recently of an arithmetic overflow in the isaac
module of the rand crate, so I've imported the isaac implementation from
out-of-tree which makes somewhat more liberal usage of the wrapping primitives.
Hopefull this quelches any future overflow!
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