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Note that this removes a number of run-pass tests which are exercising behavior
of the old runtime. This functionality no longer exists and is thoroughly tested
inside of libgreen and libnative. There isn't really the notion of "starting the
runtime" any more. The major notion now is "bootstrapping the initial task".
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This extracts everything related to green scheduling from libstd and introduces
a new libgreen crate. This mostly involves deleting most of std::rt and moving
it to libgreen.
Along with the movement of code, this commit rearchitects many functions in the
scheduler in order to adapt to the fact that Local::take now *only* works on a
Task, not a scheduler. This mostly just involved threading the current green
task through in a few locations, but there were one or two spots where things
got hairy.
There are a few repercussions of this commit:
* tube/rc have been removed (the runtime implementation of rc)
* There is no longer a "single threaded" spawning mode for tasks. This is now
encompassed by 1:1 scheduling + communication. Convenience methods have been
introduced that are specific to libgreen to assist in the spawning of pools of
schedulers.
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This uses quite a bit of unsafe code for speed and failure safety, and allocates `2*n` temporary storage.
[Performance](https://gist.github.com/huonw/5547f2478380288a28c2):
| n | new | priority_queue | quick3 |
|-------:|---------:|---------------:|---------:|
| 5 | 200 | 155 | 106 |
| 100 | 6490 | 8750 | 5810 |
| 10000 | 1300000 | 1790000 | 1060000 |
| 100000 | 16700000 | 23600000 | 12700000 |
| sorted | 520000 | 1380000 | 53900000 |
| trend | 1310000 | 1690000 | 1100000 |
(The times are in nanoseconds, having subtracted the set-up time (i.e. the `just_generate` bench target).)
I imagine that there is still significant room for improvement, particularly because both priority_queue and quick3 are doing a static call via `Ord` or `TotalOrd` for the comparisons, while this is using a (boxed) closure.
Also, this code does not `clone`, unlike `quick_sort3`; and is stable, unlike both of the others.
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(implicitly) less_eq.
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Right now the --crate-id and related flags are all process *after* the entire
crate is parsed. This is less than desirable when used with makefiles because it
means that just to learn the output name of the crate you have to parse the
entire crate (unnecessary).
This commit changes the behavior to lift the handling of these flags much sooner
in the compilation process. This allows us to not have to parse the entire crate
and only have to worry about parsing the crate attributes themselves. The
related methods have all been updated to take an array of attributes rather than
a crate.
Additionally, this ceases duplication of the "what output are we producing"
logic in order to correctly handle things in the case of --test.
Finally, this adds tests for all of this functionality to ensure that it does
not regress.
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This moves the custom sorting to `.sort_by`.
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We decided in the 12/10/13 weekly meeting that trailing commas should be
accepted pretty much anywhere. They are currently not allowed in struct
patterns, and this commit adds support for that.
Closes #10392
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Right now the --crate-id and related flags are all process *after* the entire
crate is parsed. This is less than desirable when used with makefiles because it
means that just to learn the output name of the crate you have to parse the
entire crate (unnecessary).
This commit changes the behavior to lift the handling of these flags much sooner
in the compilation process. This allows us to not have to parse the entire crate
and only have to worry about parsing the crate attributes themselves. The
related methods have all been updated to take an array of attributes rather than
a crate.
Additionally, this ceases duplication of the "what output are we producing"
logic in order to correctly handle things in the case of --test.
Finally, this adds tests for all of this functionality to ensure that it does
not regress.
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Fixes #9676.
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On the advice of @huonw, I've just replaced item_span outright.
Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
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We decided in the 12/10/13 weekly meeting that trailing commas should be
accepted pretty much anywhere. They are currently not allowed in struct
patterns, and this commit adds support for that.
Closes #10392
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Closes #11035
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Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
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Just a little cleanup.
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This change extends the pkgid attribute to allow of explicit crate names, instead of always inferring them based on the path. This means that if your GitHub repo is called `rust-foo`, you can have your pkgid set your library name to `foo`. You'd do this with a pkgid attribute like `github.com/somewhere/rust-foo#foo:1.0`.
This is half of the fix for #10922.
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Previously the a pkgid of `foo/rust-bar#1.0` implied a crate name of
`rust-bar` and didn't allow this to be overridden. Now you can override the
inferred crate name with `foo/rust-bar#bar:1.0`.
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There is no `~mut T` and `[mut T]` any more.
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Types used inside live struct or enum are now marked live.
Fix #10956 and #10993.
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Understand 'pkgid' in stage0. As a bonus, the snapshot now contains now metadata
(now that those changes have landed), and the snapshot download is half as large
as it used to be!
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Closes #10911
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This isn't super useful for libraries yet without #10593.
Fixes #7633.
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When --dep-info is given, rustc will write out a `$input_base.d` file in the
output directory that contains Makefile compatible dependency information for
use with tools like make and ninja.
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Also remove all instances of 'self within the codebase.
This fixes #10889.
To make reviewing easier the following files were modified with more than a dumb text replacement:
- `src/test/compile-fail/lifetime-no-keyword.rs`
- `src/test/compile-fail/lifetime-obsoleted-self.rs`
- `src/test/compile-fail/regions-free-region-ordering-incorrect.rs`
- `src/libsyntax/parse/lexer.rs`
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Also remove all instances of 'self within the codebase.
This fixes #10889.
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chris-morgan/rust/macroize-(or-should-that-be-macroify)-syntax--parse--token-so-that-we-don't-make-mistakes-and-to-reduce-the-maintenance-burden, r=huonw
I also renumbered things at the same time; ``in`` was shifted into its
alphabetical position and the reserved keywords were reordered (a couple
of them were out of order).
Unused special identifiers are also removed in the second part.
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This fixes #10806.
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This fixes #10806.
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Previously, if you wanted to bind a field mutably or by ref, you had to
do something like Foo { x: ref mut x }. You can now just do
Foo { ref mut x }.
Closes #6137
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It's twenty lines longer, but makes for clearer separation of strict and
reserved keywords (probably a good thing) and removes another moving
part (the definitions of `(STRICT|RESERVED)_KEYWORD_(START|FINAL)`).
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- underscore ("_")
- unary ("unary")
- not_fn ("!")
- idx_fn ("[]")
- unary_minus_fn ("unary-")
- item ("item")
- block ("block")
- stmt ("stmt")
- pat ("pat")
- expr ("expr")
- ty ("ty")
- ident ("ident")
- path ("path")
- descrim ("descrim")
- clownshoe_stack_shim ("__rust_stack_shim")
- blk ("blk")
- c_abi ("C")
(And, of course, renumber everything to match.)
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This replaces the link meta attributes with a pkgid attribute and uses a hash
of this as the crate hash. This makes the crate hash computable by things
other than the Rust compiler. It also switches the hash function ot SHA1 since
that is much more likely to be available in shell, Python, etc than SipHash.
Fixes #10188, #8523.
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This replaces the link meta attributes with a pkgid attribute and uses a hash
of this as the crate hash. This makes the crate hash computable by things
other than the Rust compiler. It also switches the hash function ot SHA1 since
that is much more likely to be available in shell, Python, etc than SipHash.
Fixes #10188, #8523.
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I also renumbered things at the same time; ``in`` was shifted into its
alphabetical position and the reserved keywords were reordered (a couple
of them were out of order).
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Previously, if you wanted to bind a field mutably or by ref, you had to
do something like Foo { x: ref mut x }. You can now just do
Foo { ref mut x }.
Closes #6137
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This bug showed up because the visitor only visited the path of the implemented
trait via walk_path (with no corresponding visit_path function). I have modified
the visitor to use visit_path (which is now overridable), and the privacy
visitor overrides this function and now properly checks for the privacy of all
paths.
Closes #10857
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Previously something like
struct NotEq;
#[deriving(Eq)]
struct Error {
foo: NotEq
}
would just point to the `foo` field, with no mention of the
`deriving(Eq)`. With this patch, the compiler creates a note saying "in
expansion of #[deriving(Eq)]" pointing to the Eq.
(includes some cleanup/preparation; the commit view might be nicer, to filter out the noise of the first one.)
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In order to keep up to date with changes to the libraries that `llvm-config`
spits out, the dependencies to the LLVM are a dynamically generated rust file.
This file is now automatically updated whenever LLVM is updated to get kept
up-to-date.
At the same time, this cleans out some old cruft which isn't necessary in the
makefiles in terms of dependencies.
Closes #10745
Closes #10744
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using the expansion info.
Previously something like
struct NotEq;
#[deriving(Eq)]
struct Error {
foo: NotEq
}
would just point to the `foo` field, with no mention of the
`deriving(Eq)`. With this patch, the compiler creates a note saying "in
expansion of #[deriving(Eq)]" pointing to the Eq.
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format.
Previously, any attempt to use this information from inside something
like #[deriving(Foo)] would result in it printing like `deriving(Foo)!`.
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